Laser engraving machine

Abstract

The utility model provides a laser engraving machine. The laser engraving machine comprises an engraving machine body, a roller device and a laser head. The roller device is installed on the carving machine body and comprises a first roller and a second roller which are oppositely arranged, and the second roller and the first roller are arranged on the two sides of the via hole; the second roller and the first roller rotate relative to the engraving machine body, and a shaping space is formed between the second roller and the first roller and used for shaping a to-be-engraved part; the laser head is movably installed on the engraving machine body and moves in the length direction of the engraving machine body. The laser head is arranged on one side of the roller device and used for conducting laser engraving on the to-be-engraved part shaped through the shaping space, so that the engraving machine body is compatible with the roller device and the laser head, shaping and engraving of the to-be-engraved part are achieved through the laser engraving machine, and the function integration level of the laser engraving machine is improved; and the engraving effect of the laser engraving machine on the to-be-engraved part is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of laser engraving machines, in particular to a laser engraving machine. Background Art

[0002] With the development of science and technology, the existing engraving machine includes an engraving machine body and a roller device. The engraving machine body is provided with a through hole for the piece to be engraved to pass through. The roller device is rotatably connected to the engraving machine body, and the roller device is used to shape or convey the piece to be engraved. Therefore, the existing engraving machine can only convey the piece to be engraved, and cannot perform laser engraving on the piece to be engraved, resulting in poor functionality of the existing engraving machine. Utility Model Content

[0003] The utility model aims to provide a laser engraving machine, wherein a through hole is provided on a main body of the engraving machine, and the through hole is used for a workpiece to be engraved to pass through; a roller device is installed on the main body of the engraving machine, and the roller device comprises a first roller and a second roller which are arranged oppositely, and the second roller and the first roller are arranged on both sides of the through hole; the second roller and the first roller both rotate relative to the main body of the engraving machine, and a shaping space is formed between the second roller and the first roller, and the shaping space is used for shaping the workpiece to be engraved; a laser head is movably installed on the main body of the engraving machine and moves along the length direction of the main body of the engraving machine; the laser head is arranged on one side of the roller device, and is used for laser engraving the workpiece to be engraved which is shaped in the shaping space, so that the roller device and the laser head are compatible with the main body of the engraving machine, so that the laser engraving machine realizes shaping of the workpiece to be engraved and engraving of the workpiece to be engraved, improves the functional integration of the laser engraving machine, and ensures the engraving effect of the laser engraving machine on the workpiece to be engraved.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A laser engraving machine is used for engraving a workpiece to be engraved, and the laser engraving machine comprises:

[0006] The engraving machine body is provided with a through hole, and the through hole is used for the piece to be engraved to pass through;

[0007] A roller device is installed on the engraving machine body, the roller device includes a first roller and a second roller arranged opposite to each other, the second roller and the first roller are arranged on both sides of the through hole; the second roller and the first roller both rotate relative to the engraving machine body, a shaping space is formed between the second roller and the first roller, and the shaping space is used to shape the workpiece to be engraved;

[0008] The laser head is movably mounted on the engraving machine body and moves along the length direction of the engraving machine body; the laser head is arranged on one side of the roller device and is used to laser engrave the workpiece to be engraved after being shaped in the shaping space.

[0009] Optionally, a movable seat is provided between the laser head and the engraving machine body, and the movable seat is movably connected to the engraving machine body and moves along the left and right direction; the laser head is installed on the movable seat and moves relative to the engraving machine body as the movable seat moves.

[0010] Optionally, a motor and a transmission module are provided between the movable seat and the engraving machine body, the fixed end of the motor is connected to the engraving machine body, the output end of the motor is connected to the transmission module, and drives the ring member in the transmission module to rotate in the left and right directions;

[0011] The moving seat is connected to the annular member and moves along the left and right directions as the annular member rotates.

[0012] Optionally, when the transmission module is a synchronous belt transmission module, the annular member is a synchronous belt;

[0013] Alternatively, when the transmission module is a chain transmission module, the annular member is a chain;

[0014] Alternatively, when the transmission module is a belt transmission module, the annular member is a belt.

[0015] Optionally, the movable seat is connected to a clamping member, a fixed end of the clamping member is connected to the movable seat, and a clamping end of the clamping member clamps a position in the annular member.

[0016] Optionally, the movable seat is connected to a third roller, and the third roller is rotatably connected to the movable seat and rolls relative to the engraving machine body.

[0017] Optionally, the laser head is connected to the movable base in a liftable manner and can be adjusted in position in the up and down directions; the output end of the laser head is used to output laser light and is directed toward the workpiece to be engraved.

[0018] Optionally, the second roller is connected to the engraving machine body in a liftable manner and moves closer to or farther away from the first roller in the up and down direction; the shaping space is adjusted as the second roller moves up and down.

[0019] Optionally, a first lifting seat is provided between the second roller and the engraving machine body, the first lifting seat is liftably connected to the engraving machine body and supports the second roller, and the second roller floats elastically relative to the first lifting seat to apply elastic pressure to the piece to be engraved.

[0020] Optionally, the laser engraving machine further comprises a light baffle, which is located at the lower side of the laser head and is telescopically connected to the engraving machine body, and the light baffle is telescopic along the front-rear direction.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model provides a laser engraving machine, wherein a through hole is provided on a main body of the engraving machine, and the through hole is used for a piece to be engraved to pass through; a roller device is installed on the main body of the engraving machine, and the roller device comprises a first roller and a second roller which are arranged oppositely, and the second roller and the first roller are arranged on both sides of the through hole; the second roller and the first roller both rotate relative to the main body of the engraving machine, and a shaping space is formed between the second roller and the first roller, and the shaping space is used for shaping the piece to be engraved; a laser head is movably installed on the main body of the engraving machine and moves along the length direction of the main body of the engraving machine; the laser head is arranged on one side of the roller device, and is used for laser engraving the piece to be engraved which is shaped in the shaping space, so that the roller device and the laser head are compatible with the main body of the engraving machine, so that the laser engraving machine realizes shaping of the piece to be engraved and engraving of the piece to be engraved, improves the functional integration of the laser engraving machine, and ensures the engraving effect of the laser engraving machine on the piece to be engraved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0024] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0025] Figure 1 A schematic diagram of a laser engraving machine according to an embodiment of the present application is shown.

[0026] Figure 2 A schematic diagram of the connection between an engraving machine body, a roller device and a laser head of a laser engraving machine according to an embodiment of the present application is shown.

[0027] Figure 3 A schematic diagram of the connection between an engraving machine body, a roller device and a laser head of a laser engraving machine in another state according to an embodiment of the present application is shown.

[0028] Figure 4 A schematic diagram of the internal structure between an engraving machine body, a roller device and a laser head of a laser engraving machine according to an embodiment of the present application is shown.

[0029] Figure 5 A schematic diagram of a roller device of a laser engraving machine according to an embodiment of the present application is shown.

[0030] Figure 6 A schematic diagram of a laser head of a laser engraving machine according to an embodiment of the present application is shown.

[0031] Figure 7 A schematic diagram of a support assembly of a laser engraving machine according to an embodiment of the present application is shown.

[0032] Figure 8 An exploded view of a support assembly of a laser engraving machine according to an embodiment of the present application is shown.

[0033] Fig. 9 A schematic diagram of a base of a support assembly of a laser engraving machine according to an embodiment of the present application is shown.

[0034] Fig.10 A schematic diagram of a support member of a support assembly of a laser engraving machine according to an embodiment of the present application is shown.

[0035] Reference numerals

[0036] 100. Laser engraving machine;

[0037] 10. Engraving machine body; 10a. Via hole;

[0038] 20. Roller device; 20a. Forming space; 21. First roller; 211. Rotating shaft; 22. Second roller; 23. First lifting seat; 24. Elastic member; 25. Lifting module;

[0039] 30. Laser head; 31. Moving seat; 311. Clamping member; 311a. Clamping groove; 312. Third roller; 32. Motor; 33. Transmission module;

[0040] 40. Light barrier;

[0041] 50. Support assembly; 51. Base; 51a. Track groove; 51b. Opening; 51c. Horizontal opening; 511. Guide portion; 511a. Guide groove; 52. Support member; 521. Support body; 521a. Accommodating groove; 522. Rotating member; 53. Cover plate. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0043] Please refer to the attached Figures 1 to 10The embodiment of the present application provides a laser engraving machine 100, which is used for shaping and engraving a workpiece to be engraved. The laser engraving machine 100 includes an engraving machine body 10, a roller device 20 and a laser head 30. The roller device 20 is arranged on the inner side of the engraving machine body 10, and the laser head 30 is arranged on the outer side of the engraving machine body 10.

[0044] In the embodiment of the present application, the engraving machine body 10 serves as a supporting component of the laser engraving machine 100. The engraving machine body 10 is used to support the roller device 20 and the laser head 30. The engraving machine body 10 is provided with a through hole 10a. The through hole 10a serves as the internal space of the engraving machine body 10. The through hole 10a is used for the passage of the workpiece to be engraved. The workpiece to be engraved can pass through the inner side of the engraving machine body 10 through the through hole 10a.

[0045] In the embodiment of the present application, the roller device 20 is arranged on the inner side of the engraving machine body 10, and the roller device 20 is installed on the engraving machine body 10. The roller device 20 includes a first roller 21 and a second roller 22 arranged relatively to each other, and the second roller 22 and the first roller 21 are arranged on both sides of the through hole 10a; the second roller 22 and the first roller 21 both rotate relative to the engraving machine body 10 to facilitate adjusting the positions of the second roller 22 and the first roller 21 relative to the engraving machine body 10, and a shaping space 20a is formed between the second roller 22 and the first roller 21, and the shaping space 20a is used to shape the workpiece to be engraved, so that the second roller 22 and the first roller 21 respectively press against the upper and lower sides of the workpiece to be engraved.

[0046] At this time, a rotating shaft 211 is provided between the first roller 21 and the engraving machine body 10 , the rotating shaft 211 is rotatably connected to the engraving machine body 10 , and the first roller 21 is connected to the rotating shaft 211 , so that the first roller 21 can rotate relative to the engraving machine body 10 through the rotating shaft 211 .

[0047] In addition, the second roller 22 can be connected to the engraving machine body 10 in a liftable manner and can be moved closer to or away from the first roller 21 in the up and down direction to facilitate adjustment of the position of the second roller 22 relative to the engraving machine body 10; the shaping space 20a is adjusted as the second roller 22 is raised and lowered to facilitate the shaping space 20a to adapt to the engraving pieces of different heights.

[0048] In the embodiment of the present application, a first lifting seat 23 is provided between the second roller 22 and the engraving machine body 10. The first lifting seat 23 can be lifted and connected to the engraving machine body 10 to facilitate adjustment of the position of the first lifting seat 23 relative to the engraving machine body 10. The first lifting seat 23 supports the second roller 22. The second roller 22 elastically floats relative to the first lifting seat 23 to apply elastic pressure to the workpiece to be engraved, so that the second roller 22 can adapt to workpieces to be engraved of different heights.

[0049] At this time, an elastic member 24 is provided between the second roller 22 and the first lifting seat 23, and the two ends of the elastic member 24 are respectively connected to the second roller 22 and the first lifting seat 23, and drive the second roller 22 to float elastically, so that the second roller 22 can float in the up and down directions relative to the first lifting seat 23 through the elastic member 24, thereby facilitating the adjustment of the position of the second roller 22 relative to the workpiece to be engraved, and further facilitating the second roller 22 to adapt to workpieces to be engraved of different heights.

[0050] A lifting module 25 is provided between the first lifting seat 23 and the engraving machine body 10 , and the lifting module 25 includes at least one of a gear rack module, a screw transmission module 33 , a chain transmission module 33 , a gear transmission module 33 and a threaded screw module.

[0051] In the embodiment of the present application, the laser head 30 is arranged on the outside of the engraving machine body 10. The laser head 30 is movably installed on the engraving machine body 10 and moves along the length direction of the engraving machine body 10 to adjust the position of the laser head 30 relative to the engraving machine body 10; the laser head 30 is used to laser engrave the workpiece to be engraved that has been shaped by the shaping space 20a, so that the roller device 20 and the laser head 30 are compatible in the engraving machine body 10, so that the laser engraving machine 100 realizes the shaping of the workpiece to be engraved and the engraving of the workpiece to be engraved, improves the functional integration of the laser engraving machine 100, and ensures the engraving effect of the laser engraving machine 100 on the workpiece to be engraved.

[0052] At this time, a movable seat 31 is provided between the laser head 30 and the engraving machine body 10. The movable seat 31 is between the laser head 30 and the engraving machine body 10. The movable seat 31 is movably connected to the engraving machine body 10 and moves along the left and right directions to facilitate adjustment of the position of the movable seat 31 relative to the engraving machine body 10; the laser head 30 is installed on the movable seat 31, and moves relative to the engraving machine body 10 as the movable seat 31 moves, so that the laser head 30 can be moved relative to the engraving machine body 10 through the movable seat 31, thereby facilitating adjustment of the position of the laser head 30.

[0053] In the embodiment of the present application, a motor 32 and a transmission module 33 are provided between the moving seat 31 and the engraving machine body 10. The fixed end of the motor 32 is connected to the engraving machine body 10, and the output end of the motor 32 is connected to the transmission module 33, and drives the ring part in the transmission module 33 to rotate along the left and right directions; the moving seat 31 is connected to the ring part, and moves along the left and right directions with the rotation of the ring part, so that the moving seat 31 can be realized relative to the engraving machine body 10 through the motor 32 and the transmission module 33, thereby facilitating the automatic movement of the moving seat 31.

[0054] At this time, when the transmission module 33 is a synchronous belt transmission module 33, the annular member is a synchronous belt, and the transmission module 33 includes two synchronous wheels, and the two synchronous wheels are arranged at intervals along the length direction of the engraving machine body 10. The annular member is sleeved on the two synchronous wheels, and a synchronous wheel is connected to the output end of the motor 32, so that the motor 32 can drive a synchronous wheel to rotate under the action of the drive, so that the annular member can rotate with the rotation of the synchronous wheel, and then the movable seat 31 can move with the rotation of the annular member.

[0055] Alternatively, when the transmission module 33 is a chain transmission module 33, the annular member is a chain, and the transmission module 33 includes two sprockets, which are arranged at intervals along the length direction of the engraving machine body 10, and the annular member is sleeved on the two sprockets, and one sprocket is connected to the output end of the motor 32, so that the motor 32 can drive a sprocket to rotate under the driving action, so that the annular member can rotate with the rotation of the sprocket, and then the movable seat 31 can move with the rotation of the annular member.

[0056] Alternatively, when the transmission module 33 is a belt transmission module 33, the annular member is a belt, and the transmission module 33 includes two pulleys, which are arranged at intervals along the length direction of the engraving machine body 10, and the annular member is sleeved on the two pulleys, and one pulley is connected to the output end of the motor 32, so that the motor 32 can drive a pulley to rotate under the driving action, so that the annular member can rotate with the rotation of the pulley, and then the movable seat 31 can move with the rotation of the annular member.

[0057] Among them, the movable seat 31 is connected to a clamping member 311, the fixed end of the clamping member 311 is connected to the movable seat 31, and the clamping end of the clamping member 311 clamps a position in the annular member so that the movable seat 31 can be fixedly connected relative to the annular member through the clamping member 311. The clamping member 311 is provided with a clamping groove 311a, and the annular member is inserted into the clamping groove 311a to realize the fixed connection between the clamping member 311 and the annular member.

[0058] In addition, the movable seat 31 is connected to a third roller 312, and the third roller 312 is rotatably connected to the movable seat 31 to facilitate adjustment of the position of the third roller 312 relative to the movable seat 31. The third roller 312 rolls relative to the engraving machine body 10 to improve the movement stability of the movable seat 31 relative to the engraving machine body 10.

[0059] In the embodiment of the present application, the laser head 30 can be connected to the movable seat 31 in a liftable manner and its position can be adjusted in the up and down directions; the output end of the laser head 30 is used to output laser and is directed toward the workpiece to be engraved, so as to facilitate the adjustment of the position of the laser head 30 relative to the movable seat 31, thereby facilitating the adjustment of the height position of the laser head 30, and further facilitating the laser head 30 to laser engrave workpieces to be engraved at different heights.

[0060] In the embodiment of the present application, the laser engraving machine 100 also includes a light baffle 40, which is located at the lower side of the laser head 30 and is telescopically connected to the engraving machine body 10. The light baffle 40 is telescopic in the front-to-back direction to adjust the position of the light baffle 40 relative to the engraving machine body 10. When the light baffle 40 is extended forward, the light baffle 40 is exposed to the lower side of the laser head 30, thereby facilitating sparks from the laser head 30 during use to fall onto the light baffle 40, thereby preventing sparks from damaging the desktop.

[0061] In the embodiment of the present application, the laser engraving machine 100 also includes a support assembly 50, which is arranged on the outside of the engraving machine body 10. The support assembly 50 includes a base 51 and a support member 52. The base 51 is provided with a track groove 51a, and an opening 51b is provided at the top of the track groove 51a to facilitate the support member 52 to enter the track groove 51a through the opening 51b.

[0062] At this time, the support member 52 includes a support body 521 and a rotating member 522; the support body 521 is detachably mounted on the base 51 so that the support body 521 can be connected to or detached from the base 51. When the support body 521 is connected to the base 51, the support body 521 is inserted into the track groove 51a; the rotating member 522 is connected to the support body 521 and exposed to the opening 51b; the rotating member 522 is used to contact the bottom of the workpiece to be engraved and can roll relative to the support body 521, so that the workpiece to be engraved is supported by the rotating member 522, thereby facilitating the rolling contact of the rotating member 522 relative to the workpiece to be engraved, ensuring the movement effect of the workpiece to be engraved on the support assembly 50, so that the support assembly 50 is compatible with the support and transportation of the workpiece to be engraved, reducing the friction between the workpiece to be engraved and the base 51, and improving the movement effect of the workpiece to be engraved relative to the base 51.

[0063] Among them, the supporting body 521 is provided with a receiving groove 521a, which is recessed from top to bottom by the supporting body 521, and the opening 51b of the receiving groove 521a faces upward. The rotating member 522 can be rotatably received in the receiving groove 521a, so as to adjust the position of the rotating member 522 relative to the receiving groove 521a, thereby facilitating the rotating member 522 to rotate relative to the supporting body 521 through the receiving groove 521a. The rotating member 522 is exposed to the opening 51b of the receiving groove 521a, so as to expose the rotating member 522 to the external environment, thereby facilitating the rotating member 522 to roll in contact with the workpiece to be engraved, thereby ensuring the moving effect of the workpiece to be engraved on the supporting assembly 50, so that the supporting assembly 50 is compatible with the support and transportation of the workpiece to be engraved, reducing the friction between the workpiece to be engraved and the base 51, and improving the moving effect of the workpiece to be engraved relative to the base 51.

[0064] In addition, the inner contour of the receiving groove 521a is adapted to the outer contour of the rotating member 522, and the connection between the inner contour of the receiving groove 521a and the outer contour of the rotating member 522 is clearance-matched, so that the rotating member 522 can rotate relative to the receiving groove 521a through the gap. Optionally, the rotating member 522 is a ball bearing, and the rotating member 522 rotates circumferentially in the receiving groove 521a and rollingly supports the piece to be engraved.

[0065] At this time, the support body 521 is inserted into the track groove 51a along the front-to-back direction, so that the support body 521 can enter the track groove 51a from front to back, and the support body 521 is limited in the up and down directions by the inner side wall of the track groove 51a, so that the support body 521 can only move in the front-to-back direction, avoiding the support body 521 from separating from the track groove 51a from the up and down directions, thereby ensuring the position accuracy of the support body 521 relative to the track groove 51a.

[0066] Among them, the base 51 is also provided with a guide portion 511, which is arranged at the top of the base 51, and the guide portion 511 is arranged on one side of the support member 52, and guides the axis of the support member 52 to be close to the center line of the track groove 51a, so that the support member 52 can move relative to the track groove 51a under the guiding action of the guide portion 511, thereby improving the smoothness of movement of the support member 52 relative to the track groove 51a.

[0067] In addition, the guide portion 511 is provided with a guide groove 511a, which is located above the track groove 51a and connected to the track groove 51a in the up-down direction; the guide groove 511a is arranged in an eight-shaped shape, so that the support member 52 can be accommodated in the guide groove 511a and the track groove 51a, thereby facilitating the top of the support member 52 to be exposed to the external environment through the guide groove 511a and the track groove 51a.

[0068] In the embodiment of the present application, there are multiple support members 52, and the multiple support members 52 are arranged at intervals along the length direction of the base 51; the multiple support members 52 are at the same height, and the movement effect of the piece to be engraved relative to the base 51 is increased by arranging the multiple support members 52, so that the piece to be engraved passes through the multiple support members 52 in sequence when moving relative to the base 51, thereby ensuring the movement effect of the piece to be engraved on the support assembly 50.

[0069] In the embodiment of the present application, the support assembly 50 also includes a cover plate 53, which is inserted into the track groove 51a and is located between two adjacent support members 52; the cover plate 53 closes the gap between the two adjacent support members 52, so that the distance between the two adjacent support members 52 is ensured by the cover plate 53, thereby ensuring the distance between the two adjacent support members 52.

[0070] At this time, one end of the track groove 51a has a transverse opening 51c; a support member 52 is located at one end of the track groove 51a and is fixed to the base 51, and the support member 52 closes the transverse opening 51c, so that the support member 52 can enter the track groove 51a through the transverse opening 51c, thereby facilitating the edge of a support member 52 to be flush with the edge of the base 51, thereby facilitating the arrangement of each support member 52 in sequence along the length direction of the base 51.

[0071] Compared with the prior art, the beneficial effects of the utility model are:

[0072] The utility model provides a laser engraving machine 100, wherein the engraving machine body 10 is provided with a through hole 10a, and the through hole 10a is used for passing a piece to be engraved; a roller device 20 is installed on the engraving machine body 10, and the roller device 20 comprises a first roller 21 and a second roller 22 arranged oppositely, and the second roller 22 and the first roller 21 are arranged on both sides of the through hole 10a; the second roller 22 and the first roller 21 both rotate relative to the engraving machine body 10, and a shaping space 20a is formed between the second roller 22 and the first roller 21, and the shaping space 20a is used for shaping the piece to be engraved Engraving workpiece; the laser head 30 is movably mounted on the engraving machine body 10 and moves along the length direction of the engraving machine body 10; the laser head 30 is arranged on one side of the roller device 20, and is used to laser engrave the workpiece to be engraved that has been shaped in the shaping space 20a, so that the roller device 20 and the laser head 30 are compatible in the engraving machine body 10, so that the laser engraving machine 100 realizes the shaping of the workpiece to be engraved and the engraving of the workpiece to be engraved, improves the functional integration of the laser engraving machine 100, and ensures the engraving effect of the laser engraving machine 100 on the workpiece to be engraved.

[0073] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0074] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0075] Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A laser engraving machine, characterized in that: Used for engraving a workpiece to be engraved, the laser engraving machine comprises: The engraving machine body is provided with a through hole, and the through hole is used for the piece to be engraved to pass through; A roller device is installed on the engraving machine body, the roller device includes a first roller and a second roller arranged opposite to each other, the second roller and the first roller are arranged on both sides of the through hole; the second roller and the first roller both rotate relative to the engraving machine body, a shaping space is formed between the second roller and the first roller, and the shaping space is used to shape the workpiece to be engraved; The laser head is movably mounted on the engraving machine body and moves along the length direction of the engraving machine body; the laser head is arranged on one side of the roller device and is used to laser engrave the workpiece to be engraved after being shaped in the shaping space.

2. The laser engraving machine according to claim 1, characterized in that: A movable seat is provided between the laser head and the engraving machine body. The movable seat is movably connected to the engraving machine body and moves along the left and right directions. The laser head is installed on the movable seat and moves relative to the engraving machine body as the movable seat moves.

3. The laser engraving machine according to claim 2, characterized in that: A motor and a transmission module are provided between the movable seat and the engraving machine body, the fixed end of the motor is connected to the engraving machine body, the output end of the motor is connected to the transmission module, and drives the ring member in the transmission module to rotate in the left and right directions; The moving seat is connected to the annular member and moves along the left and right directions as the annular member rotates.

4. The laser engraving machine according to claim 3, characterized in that: When the transmission module is a synchronous belt transmission module, the annular member is a synchronous belt; Alternatively, when the transmission module is a chain transmission module, the annular member is a chain; Alternatively, when the transmission module is a belt transmission module, the annular member is a belt.

5. The laser engraving machine according to claim 4, characterized in that: The movable seat is connected with a clamping member, a fixed end of the clamping member is connected to the movable seat, and a clamping end of the clamping member clamps a position in the annular member.

6. The laser engraving machine according to claim 4, characterized in that: The movable seat is connected with a third roller, and the third roller is rotatably connected to the movable seat and rolls relative to the engraving machine body.

7. The laser engraving machine according to claim 2, characterized in that: The laser head is connected to the movable seat in a liftable manner and can be adjusted in position along the up and down directions; the output end of the laser head is used to output laser light and is directed toward the piece to be engraved.

8. The laser engraving machine according to claim 5, characterized in that: The second roller is connected to the engraving machine body in a liftable manner and moves closer to or farther away from the first roller in the up and down direction; the shaping space is adjusted as the second roller moves up and down.

9. The laser engraving machine according to claim 8, characterized in that: A first lifting seat is provided between the second roller and the engraving machine body. The first lifting seat is liftably connected to the engraving machine body and supports the second roller. The second roller floats elastically relative to the first lifting seat to apply elastic pressure to the piece to be engraved.

10. The laser engraving machine according to claim 1, characterized in that: The laser engraving machine further comprises a light shielding plate, which is located at the lower side of the laser head and is telescopically connected to the engraving machine body. The light shielding plate is telescopic along the front-rear direction.

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