Rail apparatus, laser apparatus, and laser machining device

1 . A laser apparatus comprising a base, a laser, and a focusing member, wherein

the laser is disposed on the base and is configured to emit a laser light;

the base has a first end and a second end opposite to the first end;

the focusing member is movably disposed on the base and has a focusing end;

the laser apparatus is operable in a retracting state and an extending state;

when the focusing end is stacked on the base, the laser apparatus is in the retracting state;

when the focusing end extends beyond the second end of the base to abut against a workpiece, the laser apparatus is in the extending state; and

the focusing member further comprises a connecting end opposite to the focusing end, the connecting end is rotatably disposed at the second end of the base, and the focusing member is configured to rotate by taking a joint of the connecting end and the base as a rotating pivot point.

2 . The laser apparatus of claim 1 , wherein the base defines a mounting groove for the focusing member in an outer wall of the base, the mounting groove for the focusing member penetrates through an end surface of the second end of the base, and the connecting end is rotatably connected with an inner wall of the mounting groove for the focusing member; and when the focusing end is accommodated in the mounting groove for the focusing member, the laser apparatus is in the retracting state.

3 . The laser apparatus of claim 2 , wherein the focusing member further comprises a plate body and a protrusion protruding from an outer wall of the plate body, the plate body comprises the connecting end and the focusing end opposite to the connecting end, and the protrusion exposes beyond the mounting groove for the focusing member.

4 . The laser apparatus of claim 1 , wherein the laser apparatus is connected with a rail apparatus, the rail apparatus comprises a mounting plate, and the mounting plate is configured to be movably connected with the base to adjust a relative position of the mounting plate and the base.

5 . The laser apparatus of claim 4 , wherein the base is provided with a first guide portion on an outer wall of the base, the mounting plate is provided with a second guide portion, the first guide portion is slidably connected with the second guide portion, one of the first guide portion and the second guide portion is a guide rail, another of the first guide portion and the second guide portion is a guide-rail groove, and the guide rail is slidably accommodated in the guide-rail groove.

6 . The laser apparatus of claim 5 , wherein the first guide portion is the guide rail, the second guide portion is the guide-rail groove, the mounting plate defines an adjustment hole in an outer wall of the mounting plate, the adjustment hole communicates with the guide-rail groove, the laser apparatus further comprises a locking member, the locking member passes through the adjustment hole and abuts against the guide rail, and the locking member is configured to limit the relative position of the mounting plate and the base.

7 . The laser apparatus of claim 5 , wherein the second guide portion is the guide rail, the first guide portion is the guide-rail groove, the base defines an adjustment hole in an outer wall of the base, the adjustment hole communicates with the guide-rail groove, the laser apparatus further comprises a locking member, the locking member passes through the adjustment hole and abuts against the guide rail, and the locking member is configured to limit the relative position of the mounting plate and the base.

8 . The laser apparatus of claim 6 , wherein the locking member is a threaded member, and the adjustment hole is a threaded hole.

9 . The laser apparatus of claim 1 , wherein the laser apparatus comprises a cooling fan, the base defines a fan mounting groove at the first end of the base, the cooling fan is accommodated in the fan mounting groove, the fan mounting groove defines a cooling ventilation duct and a first accommodating cavity at a bottom wall of the fan mounting groove, a side wall of the base defines an opening communicating with the fan mounting groove for entry of the cooling fan into the fan mounting groove or exit of the cooling fan from the fan mounting groove, the cooling ventilation duct penetrates through an end surface of the second end of the base to dissipate heat, and the laser is accommodated in the first accommodating cavity;

the laser apparatus further comprises a circuit board, the base defines a mounting cavity for the circuit board, the mounting cavity for the circuit board communicates with the cooling ventilation duct, the circuit board is accommodated in the mounting cavity for the circuit board, the circuit board is provided with a control circuit, the cooling fan is electrically connected with the control circuit of the circuit board, and the laser is electrically connected with the control circuit of the circuit board;

the laser apparatus further comprises an infrared aiming laser for emitting an infrared aiming laser light, the fan mounting groove further defines a second accommodating cavity at the bottom wall of the fan mounting groove, the second accommodating cavity penetrates through the end surface of the second end of the base, the infrared aiming laser is fixedly accommodated in the second accommodating cavity, and the infrared aiming laser is configured to emit an intersecting infrared light point as a reference point for positioning the laser;

the laser apparatus further comprises a cover plate and a carrier column, the carrier column is fixed between the cover plate and the cooling fan, the cover plate defines a vent, the cooling fan is spaced apart from the cover plate to define a communicating ventilation duct communicating with the cooling ventilation duct;

the laser apparatus further comprises a protective housing fixed to the second end of the base, the laser has an emitting end for emitting a laser light, the protective housing surrounds the emitting end of the laser; and

the laser apparatus further comprises a baffle plate, the baffle plate is fixedly connected with the first end of the base, the baffle plate covers the opening, and the cooling fan is enclosed in the base.

10 . A laser machining device, comprising:

a rail apparatus comprising a rail frame assembly and a mounting assembly, wherein the rail frame assembly comprises a rail frame and a guide shaft fixed to the rail frame, the mounting assembly comprises a mounting base and a pulley, the pulley defines a sliding groove, and the sliding groove is slidably connected with the guide shaft;

a laser apparatus connected with the mounting base, and configured to emit a laser light to perform laser machining on a workpiece; and

a roller apparatus, wherein

the roller apparatus comprises a stage, a limiting member, a first roller, and a second roller, the limiting member is fixed to the stage, the limiting member defines an adjusting slot, the first roller rotatably passes through the adjusting slot, the second roller rotatably passes through the limiting member, the first roller and the second roller are arranged in a direction perpendicular to an axial direction of the first roller, the adjusting slot extends in the direction perpendicular to the axial direction of the first roller, and the first roller is configured to move in the direction perpendicular to the axial direction of the first roller to adjust a distance between the first roller and the second roller.

11 . The laser machining device of claim 10 , wherein the laser apparatus comprises a base, a laser, and a focusing member; the laser is disposed on the base and is configured to emit a laser light; the base has a first end and a second end opposite to the first end; the focusing member is movably disposed on the base and has a focusing end; the laser apparatus is operable in a retracting state and an extending state; when the focusing end is stacked on the base, the laser apparatus is in the retracting state; and when the focusing end extends beyond the second end of the base to abut against the workpiece, the laser apparatus is in the extending state.

12 . The laser machining device of claim 11 , wherein the focusing member further comprises a connecting end opposite to the focusing end, the connecting end is rotatably disposed at the second end of the base, and the focusing member is configured to rotate by taking a joint of the connecting end and the base as a rotating pivot point; the base defines a mounting groove for the focusing member in an outer wall of the base, the mounting groove for the focusing member penetrates through an end surface of the second end of the base, and the connecting end is rotatably connected with an inner wall of the mounting groove for the focusing member; and when the focusing end is accommodated in the mounting groove for the focusing member, the laser apparatus is in the retracting state; and the focusing member further comprises a plate body and a protrusion protruding from an outer wall of the plate body, the plate body comprises the connecting end and the focusing end opposite to the connecting end, and the protrusion exposes beyond the mounting groove for the focusing member.

13 . The laser machining device of claim 10 , wherein the pulley is rotatably mounted on the mounting base, and configured to roll along the guide shaft.

14 . The laser machining device of claim 10 , wherein the guide shaft comprises a first guide shaft and a second guide shaft, the pulley comprises a first pulley and a second pulley, the first pulley is mounted on the mounting base and slidably connected with the first guide shaft, the first pulley is disposed between the first guide shaft and the second guide shaft, the second pulley is mounted on the mounting base and slidably connected with the second guide shaft, and the second pulley is disposed between the first guide shaft and the second guide shaft.

15 . The laser machining device of claim 14 , wherein the rail frame defines a groove, at least part of the first guide shaft is accommodated in the groove, at least part of the second guide shaft is accommodated in the groove, the first pulley is accommodated in the groove, the second pulley is accommodated in the groove, and the first guide shaft is disposed opposite to the second guide shaft; and

the rail frame comprises a first connecting portion and a second connecting portion fixedly connected with the first connecting portion, the first connecting portion and the second connecting portion cooperatively define the groove; the first connecting portion defines a first accommodating groove communicating with the groove, and the first guide shaft is fixedly accommodated in the first accommodating groove; and the second connecting portion defines a second accommodating groove communicating with the groove, and the second guide shaft is fixedly accommodated in the second accommodating groove.

16 . The laser machining device of claim 10 , wherein the guide shaft comprises a first guide shaft and a second guide shaft, the pulley comprises a first pulley and a second pulley, the first pulley is mounted on the mounting base and slidably connected with the first guide shaft, the first guide shaft is disposed between the first pulley and the second pulley, the second pulley is mounted on the mounting base and slidably connected with the second guide shaft, and the second guide shaft is disposed between the first pulley and the second pulley.

17 . The laser machining device of claim 16 , wherein the rail frame comprises a first connecting portion, a second connecting portion, and a third connecting portion that are fixedly connected with one another, the third connecting portion is connected between the first connecting portion and the second connecting portion, and the first connecting portion, the second connecting portion, and the third connecting portion cooperatively define a groove;

the first guide shaft is fixed to an end of the first connecting portion connected with the third connecting portion; and

the second guide shaft is fixedly accommodated in an end of the first connecting portion away from the third connecting portion, and the first connecting portion is disposed between the first pulley and the second pulley.

18 . The laser machining device of claim 16 , wherein the rail frame comprises a first connecting portion and a second connecting portion fixedly connected with the first connecting portion, the first connecting portion defines a groove on a surface of the first connecting portion away from the second connecting portion; the second connecting portion defines a guide groove, and the guide groove has an opening direction different from the groove; and the first guide shaft is fixed to an inner wall of the guide groove, the second guide shaft is fixed to an end surface of the first connecting portion away from the second connecting portion, the first connecting portion is disposed between the first pulley and the second pulley, and the first pulley is accommodated in the guide groove.

19 . The laser machining device of claim 10 , wherein the mounting base comprises a mounting plate and a connecting member fixed to the mounting plate, the pulley is mounted on the mounting plate; and the rail apparatus further comprises a driving member and a transmission assembly, the transmission assembly comprises a driving gear, a driven gear, and a synchronous belt, the driving gear is connected with the driving member, the driven gear is rotatably disposed on the rail frame, the synchronous belt is wound around the driving gear and the driven gear, the connecting member is connected with the synchronous belt, and rotation of the driving gear is configured to drive rotation of the synchronous belt to drive linear movement of the mounting assembly along the guide shaft.

20 . The laser machining device of claim 10 , wherein the roller apparatus further comprises an adjustment plate, the first roller is rotatably connected with the adjustment plate, the stage has a first end and a second end opposite to the first end in the axial direction of the first roller, the stage further defines an arc-shaped groove for accommodation of a workpiece, the arc-shaped groove penetrates through an end surface of the first end of the stage and an end surface of the second end of the stage, the arc-shaped groove defines an adjustment groove in a bottom wall of the arc-shaped groove at the first end of the stage, the adjustment groove extends in the direction perpendicular to the axial direction of the first roller, and the adjustment plate is inserted into the adjustment groove; and

the adjusting slot defines at least two limiting recesses in an inner wall of the adjusting slot, the at least two limiting recesses are spaced apart from each other, and the at least two limiting recesses are configured to accommodate the first roller.

21 . The laser machining device of claim 20 , wherein the roller apparatus further comprises a fixed plate and a transmission assembly, the second roller is rotatably connected with the limiting member, the fixed plate is fixed to the first end of the stage, the first roller comprises a first shaft portion and a second shaft portion which are connected with each other, one end of the first shaft portion away from the second shaft portion is rotatably connected with the adjustment plate, the second shaft portion passes through one of the at least two limiting recesses, and the second shaft portion is configured to be connected with the transmission assembly.

22 . The laser machining device of claim 21 , wherein the roller apparatus further comprises a driving member, one end of the second roller is rotatably connected with the fixed plate, the limiting member further defines a rotating hole, another end of the second roller passes through the rotating hole of the limiting member, the driving member is fixed to the limiting member, the limiting member further defines a through hole, the driving member and the first shaft portion of the first roller are disposed at a same side of the limiting member, the driving member has a driving shaft rotatably passing through the through hole, the driving shaft of the driving member is configured to be connected with the second shaft portion of the first roller and the second roller through the transmission assembly to drive the first roller and the second roller to rotate, and the limiting member is disposed between the transmission assembly and the first shaft portion of the first roller; and

the transmission assembly comprises a driving gear, a first driven gear, a second driven gear, and a synchronous belt, a rotation-stopping connection is formed between the driving gear and the driving shaft of the driving member, a rotation-stopping connection is formed between the first driven gear and the second shaft portion of the first roller, the limiting member is disposed between the first driven gear and the first shaft portion of the first roller, a rotation-stopping connection is formed between the second driven gear and an end of the second roller closer to the second end of the stage, and the synchronous belt is wound around the driving gear, the first driven gear, and the second driven gear.