CN213257694U

CN213257694U - Laser marking machine

Info

Publication number: CN213257694U
Application number: CN202021719209.0U
Authority: CN
Inventors: 史震; 赵涛
Original assignee: Suzhou Taibolun Machinery Co ltd
Current assignee: Suzhou Taibolun Machinery Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-25
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to the technical field of laser application, in particular to a laser marking machine, which only needs to position a group of workpieces when the laser marking of the group of workpieces is continued, thereby improving the operation convenience and the working efficiency, and further increasing the practicability; the laser marking machine comprises a machine case body, a lifting mechanism, a laser marking mechanism, a display assembly, a placing plate and a keyboard drawer assembly, wherein a placing groove is formed in the upper area of the front end of the machine case body; the machine case comprises a case body and is characterized by further comprising two sets of limiting shafts, an adjusting plate, a fastening threaded rod, a fastening knob, a driving plate, a first limiting plate, a sliding block, a clamping block, an adjusting threaded rod, an adjusting knob, a positioning frame and a second positioning plate.

Description

Laser marking machine

Technical Field

The utility model relates to a technical field that laser was used especially relates to a laser marking machine.

Background

As is known, laser is light of atom stimulated radiation, and after 20 th century, laser is another important invention of human beings, called as 'fastest knife', 'most accurate ruler', 'brightest light', after nuclear energy, computers and semiconductors, the application of laser is very wide, and a laser marking machine is equipment for marking a workpiece by laser, and the laser marking machine is widely used in the field of laser application; the existing laser marking machine comprises a case body, a lifting mechanism, a laser marking mechanism, a display assembly, a placing plate and a keyboard drawer assembly, wherein a placing groove is formed in the upper region of the front end of the case body; when the existing laser marking machine is used, a workpiece needing laser marking is placed at the top end of a placing plate, then the workpiece is aligned to the position under a laser marking mechanism, then a lifting mechanism is opened to drive the laser marking mechanism to move downwards to carry out laser marking on the workpiece, and then data are read through a display assembly; the existing laser marking machine is found in use, when multiple groups of workpieces continue to be subjected to laser marking, each group of workpieces needs to be repositioned, and the process is poor in operation convenience and efficiency and poor in practicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a when the multiunit work piece continues laser marking, only need fix a position a set of work piece, improved the simple operation nature, and improved work efficiency to the laser marking machine of practicality has been increased.

The utility model discloses a laser marking machine, including quick-witted case body, elevating system, laser marking mechanism, display module, place board and keyboard drawer subassembly, the front end upper region of machine case body is provided with the standing groove, keyboard drawer subassembly is installed in the standing groove, elevating system installs in the top middle part region of machine case body, laser marking mechanism installs in elevating system's left end, the left end of display module is connected with elevating system's right-hand member upper portion region, the bottom of placing the board is connected with the top left part region of machine case body, machine case body's bottom is provided with four groups of landing legs; the adjustable cabinet is characterized by further comprising two groups of limiting shafts, an adjusting plate, a fastening threaded rod, a fastening knob, a driving plate, a first limiting plate, a sliding block, a clamping block, an adjusting threaded rod, an adjusting knob, a positioning frame and a second limiting plate, wherein the right ends of the two groups of limiting shafts are respectively connected with the front area and the rear area of the upper side of the left end of the cabinet body, the front area and the rear area of the left end of the adjusting plate are respectively provided with an adjusting hole in a penetrating manner, the two groups of limiting shafts are respectively clamped with the two groups of adjusting holes in a sliding manner, the top end of the front adjusting hole is provided with a fastening threaded hole in a penetrating manner, the bottom end of the fastening threaded rod penetrates through the fastening threaded hole in a threaded manner and is tightly attached to the top end of the front limiting shaft, the fastening knob is installed at the top end of the fastening threaded rod, the left end, the slider slides with the spout and clamps, the left end lower part region of spout runs through and is provided with the slide opening, the fixture block slides with the slide opening and clamps, the right-hand member of fixture block and the left end lower part regional connection of slider, the bottom of locating rack is provided with L type groove, the top of slider and the top middle part regional connection in L type groove, the bottom of locating rack and the top left part regional connection of second locating plate, the top left part region of locating rack runs through and is provided with adjusting screw hole, adjusting screw rod's bottom spiral shell dress passes adjusting screw hole and hugs closely with the top of first limiting plate, adjusting knob installs the top at adjusting screw rod, the bottom of second locating plate is hugged closely with the top of placing the board.

The utility model discloses a laser marking machine, still include the back shaft, the cylinder subassembly, the stripper plate, two sets of cushions and expansion plate, the bottom of back shaft and the top rear portion regional connection of placing the board, the front end upper region of back shaft runs through and is provided with flexible hole, the expansion plate slides with flexible hole and clamps, the cylinder unit mount is at the anterior region in top of expansion plate, the anterior region in top of expansion plate runs through and is provided with the connecting hole, the output of cylinder subassembly slides and passes the top middle part regional connection of connecting hole and stripper plate, the top of two sets of cushions respectively with the bottom left part region and the right part regional connection of stripper plate.

The utility model discloses a laser marking machine, still include the fixed plate, control knob, the control threaded rod, backup pad and connecting block, the left end of fixed plate and elevating system's right-hand member upper portion regional connection, the left end of backup pad and elevating system's right-hand member lower part regional connection, the top middle part region of fixed plate runs through and is provided with the penetration hole, the bottom bearing of control threaded rod passes the penetration hole and is connected with the top middle part regional bearing of backup pad, control knob installs the top at the control threaded rod, the right-hand member of connecting block is provided with coupling assembling, the right-hand member of connecting block passes through coupling assembling and display module's left end middle part regional connection, the top middle part region of connecting block runs through and is provided with the control screw hole.

The utility model discloses a laser marking machine, the coupling assembling includes the pivot, the control block, control spring, the push plate, the round pin axle, the round pin head and mounting panel, the right-hand member of mounting panel is connected with the left end of display module, the right-hand member of connecting block is provided with the rotation groove, the right-hand member of pivot is connected with the left end middle part region of mounting panel, the pivot is connected with rotation groove bearing, the lateral wall left part region of pivot is provided with the ring channel, be provided with many sets of teeth in the ring channel, the bottom of control block is connected with the top right part region of connecting block, the bottom of control block is provided with the control groove, the push plate slides and clamps with the control groove, the control spring is located the control groove, the top of control spring is hugged closely with the top of control groove, the bottom of control spring is hugged closely with the top of push plate, the bottom end of the pin shaft penetrates through the pin hole in a sliding mode to be connected with the top end of the pin head, and the pin head is clamped with the multiple sets of teeth.

The utility model discloses a laser marking machine still includes that first handle and the second of controlling controls the handle, and first control the handle and install regional at the left end middle part of regulating plate, and the second is controlled the handle and is installed regional at the top middle part of locating rack.

The utility model discloses a laser marking machine, adjusting threaded rod's bottom is provided with the anti-skidding cushion, and the bottom of anti-skidding cushion is hugged closely with the top of first limiting plate.

The utility model discloses a laser marking machine still includes anti-skidding handle cover, and anti-skidding handle cover is first to be controlled handle suit.

The utility model discloses a laser marking machine, adjust knob's top left part is regional all to be provided with the rotation handle with the right part region.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a workpiece needing laser marking is placed at the top end of a placing plate, then the workpiece is aligned to the position under a laser marking mechanism, then an adjusting plate is slid to enable the left end of the workpiece to be clung to the right end of the adjusting plate, then a fastening knob is rotated to drive a fastening threaded rod to rotate, the bottom end of the fastening threaded rod is enabled to be clung to the top end of a front side limiting shaft, then a sliding block drives a positioning frame to move, the rear end of the workpiece is enabled to be clung to the front end of a second positioning plate, then an adjusting knob is rotated to drive an adjusting threaded rod to rotate, the bottom end of the adjusting threaded rod is enabled to be clung to the top end of a first limiting plate, so that the position of the workpiece is fixed, then a lifting mechanism is opened to drive the laser marking mechanism to move downwards to carry out laser marking on the workpiece, then data is read through a display, and the working efficiency is improved, thereby increasing the practicability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

FIG. 4 is a schematic view of the connection structure of the driving plate and the adjusting knob according to the present invention;

FIG. 5 is a schematic view of the connection structure between the connection block and the rotation shaft of the present invention;

in the drawings, the reference numbers: 1. a chassis body; 2. a lifting mechanism; 3. a laser marking mechanism; 4. a display component; 5. placing the plate; 6. a keyboard drawer assembly; 7. a support leg; 8. a limiting shaft; 9. an adjusting plate; 10. fastening a threaded rod; 11. fastening a knob; 12. driving the plate; 13. a first limit plate; 14. a slider; 15. a clamping block; 16. adjusting the threaded rod; 17. adjusting a knob; 18. a positioning frame; 19. a second limiting plate; 20. a support plate; 21. a cylinder assembly; 22. a pressing plate; 23. cushion blocks; 24. a retractable plate; 25. a fixing plate; 26. a control knob; 27. controlling the threaded rod; 28. a support plate; 29. connecting blocks; 30. a rotating shaft; 31. a plurality of sets of teeth; 32. an annular groove; 33. a control block; 34. a control spring; 35. a push plate; 36. a pin shaft; 37. a pin head; 38. mounting a plate; 39. a first manipulating handle; 40. a second manipulating handle; 41. an anti-slip handle sleeve; 42. rotating the handle; 43. an antiskid rubber pad.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the utility model discloses a laser marking machine, including chassis body 1, elevating system 2, laser marking mechanism 3, display module 4, place board 5 and keyboard drawer assembly 6, the front end upper region of chassis body 1 is provided with the standing groove, keyboard drawer assembly 6 is installed in the standing groove, elevating system 2 is installed in the top middle region of chassis body 1, laser marking mechanism 3 is installed in the left end of elevating system 2, the left end of display module 4 is connected with the right-hand member upper portion region of elevating system 2, the bottom of placing board 5 is connected with the top left region of chassis body 1, the bottom of chassis body 1 is provided with four groups of landing legs 7; the box body is characterized by further comprising two groups of limiting shafts 8, an adjusting plate 9, a fastening threaded rod 10, a fastening knob 11, a driving plate 12, a first limiting plate 13, a sliding block 14, a clamping block 15, an adjusting threaded rod 16, an adjusting knob 17, a positioning frame 18 and a second positioning plate 19, the right ends of the two groups of limiting shafts 8 are respectively connected with the front area and the rear area of the upper side of the left end of the box body 1, adjusting holes are respectively arranged in the front area and the rear area of the left end of the adjusting plate 9 in a penetrating mode, the two groups of limiting shafts 8 are respectively clamped with the two groups of adjusting holes in a sliding mode, a fastening threaded hole is arranged in the top end of the front adjusting hole in a penetrating mode, the bottom end of the fastening threaded rod 10 penetrates through the fastening threaded hole in a threaded mode and is attached to the top end of the front limiting shaft 8, the fastening knob 11 is installed at the top end of the fastening threaded rod 10, a sliding groove is formed in the right region of the top end of the first limiting plate 13, the sliding block 14 is slidably clamped with the sliding groove, a sliding hole penetrates through the lower region of the left end of the sliding groove, the clamping block 15 is slidably clamped with the sliding hole, the right end of the clamping block 15 is connected with the lower region of the left end of the sliding block 14, an L-shaped groove is formed in the bottom end of the positioning frame 18, the top end of the sliding block 14 is connected with the middle region of the top end of the L-shaped groove, the bottom end of the positioning frame 18 is connected with the left region of the top end of the second limiting plate 19, an adjusting threaded hole penetrates through the left region of the top end of the positioning frame 18, the bottom end of the adjusting threaded rod 16 is screwed and penetrates through the adjusting threaded hole to be tightly attached to the top end of the first; firstly, a workpiece needing laser marking is placed at the top end of a placing plate, then the workpiece is aligned to the position under a laser marking mechanism, then an adjusting plate is slid to enable the left end of the workpiece to be clung to the right end of the adjusting plate, then a fastening knob is rotated to drive a fastening threaded rod to rotate, the bottom end of the fastening threaded rod is enabled to be clung to the top end of a front side limiting shaft, then a sliding block drives a positioning frame to move, the rear end of the workpiece is enabled to be clung to the front end of a second positioning plate, then an adjusting knob is rotated to drive an adjusting threaded rod to rotate, the bottom end of the adjusting threaded rod is enabled to be clung to the top end of a first limiting plate, so that the position of the workpiece is fixed, then a lifting mechanism is opened to drive the laser marking mechanism to move downwards to carry out laser marking on the workpiece, then data is read through a display, and the working efficiency is improved, thereby increasing the practicability.

The utility model discloses a laser marking machine, still include back shaft 20, cylinder assembly 21, stripper plate 22, two sets of cushion 23 and expansion plate 24, the bottom of back shaft 20 is connected with the top rear portion region of placing board 5, the front end upper region of back shaft 20 runs through and is provided with the flexible hole, expansion plate 24 slides with the flexible hole and clamps, cylinder assembly 21 installs in the top front portion region of expansion plate 24, the top front portion region of expansion plate 24 runs through and is provided with the connecting hole, the output of cylinder assembly 21 slides and passes the connecting hole and be connected with the top middle part region of stripper plate 22, the top of two sets of cushion 23 is connected with the bottom left part region and the right part region of stripper plate 22 respectively; place the top of placing the board with the work piece, then open cylinder assembly and drive the stripper plate and remove downwards, through the rigidity of two sets of cushions with the work piece, improved the laser marking's precision, increased the practicality.

The utility model discloses a laser marking machine, still include fixed plate 25, control knob 26, control threaded rod 27, backup pad 28 and connecting block 29, the left end of fixed plate 25 and the right-hand member upper portion regional connection of elevating system 2, the left end of backup pad 28 and the right-hand member lower part regional connection of elevating system 2, the top middle part region of fixed plate 25 runs through and is provided with the through hole, the bottom bearing of control threaded rod 27 passes the through hole and is connected with the top middle part regional bearing of backup pad 28, control knob 26 is installed on the top of control threaded rod 27, the right-hand member of connecting block 29 is provided with coupling assembling, the right-hand member of connecting block 29 passes through coupling assembling and is connected with the left end middle part region of display module 4, the top middle part region of connecting block 29 runs through and is provided with the control screw hole; the position of the display assembly can move up and down through the fixing plate, the control knob, the control threaded rod, the supporting plate and the connecting block, the height of the display assembly is made to meet the requirements of different workers, and the applicability is improved.

The utility model discloses a laser marking machine, coupling assembling includes pivot 30, control block 33, control spring 34, pushing plate 35, round pin axle 36, round pin head 37 and mounting panel 38, the right-hand member of mounting panel 38 is connected with the left end of display module 4, the right-hand member of connecting block 29 is provided with the rotating groove, the right-hand member of pivot 30 is connected with the left end middle part region of mounting panel 38, pivot 30 is connected with rotating groove bearing, the lateral wall left part region of pivot 30 is provided with ring channel 32, be provided with multiunit tooth 31 in the ring channel 32, the bottom of control block 33 is connected with the top right part region of connecting block 29, the bottom of control block 33 is provided with the control groove, pushing plate 35 and control groove slide clamping, control spring 34 is located the control groove, the top of control spring 34 is hugged closely with the top of control groove, the bottom of control spring 34 is hugged closely with the top of pushing plate 35, the top end of the pin shaft 36 is connected with the middle area of the bottom end of the pushing plate 35, the bottom end of the pin shaft 36 penetrates through the pin hole in a sliding mode to be connected with the top end of the pin head 37, and the pin head 37 is clamped with the multiple sets of teeth 31; the angle of the display assembly can be adjusted through the rotating shaft, the control block, the control spring, the pushing plate, the pin shaft, the pin head and the mounting plate, so that the position of the display assembly is adapted to the requirements of different workers, and the applicability is improved.

The laser marking machine of the utility model also comprises a first control handle 39 and a second control handle 40, wherein the first control handle 39 is arranged in the middle area of the left end of the adjusting plate 9, and the second control handle 40 is arranged in the middle area of the top end of the positioning frame 18; the sliding operation of the adjusting plate and the positioning frame is more convenient through the first control handle, and convenience is improved.

The utility model discloses a laser marking machine, the bottom of adjusting threaded rod 16 is provided with anti-skidding cushion 43, the bottom of anti-skidding cushion 43 is clung to the top of first limiting plate 13; the friction force between the adjusting threaded rod 16 and the first limiting plate 13 is increased through the anti-skidding rubber mat 43, the autonomous rotation of the adjusting threaded rod is reduced, the position of the adjusting threaded rod is fixed, and the stability is improved.

The laser marking machine of the utility model also comprises an anti-skid handle sleeve 41, the anti-skid handle sleeve 41 is sleeved with the first control handle 39; increase the first frictional force of controlling between handle and the hand through anti-skidding handle cover, make first handle of controlling be convenient for more control, increased the convenience.

In the laser marking machine of the utility model, the left area and the right area of the top end of the adjusting knob 17 are both provided with a rotating handle 42; make adjust knob's rotation control more convenient through two sets of rotation handles, increased the convenience.

When the laser marking machine of the utility model works, a workpiece needing laser marking is firstly placed on the top end of the placing plate 5, then aligning the workpiece to the right lower part of the laser marking mechanism 3, sliding the adjusting plate 9 to ensure that the left end of the workpiece is tightly attached to the right end of the adjusting plate 9, then the fastening knob 11 is rotated to drive the fastening threaded rod 10 to rotate, so that the bottom end of the fastening threaded rod 10 is tightly attached to the top end of the front side limiting shaft 8, then the sliding block 14 drives the positioning frame 18 to move, so that the rear end of the workpiece is tightly attached to the front end of the second positioning plate 19, then the adjusting knob 17 is rotated to drive the adjusting threaded rod 16 to rotate, so that the bottom end of the adjusting threaded rod 16 is tightly attached to the top end of the first limiting plate 13, the position of the workpiece is fixed, then the lifting mechanism 2 is opened to drive the laser marking mechanism 3 to move downwards to carry out laser marking on the workpiece, and then the data is read through the display component 4.

The laser marking machine of the utility model has common mechanical installation mode, connection mode or setting mode, and can be implemented as long as the beneficial effect can be achieved; the utility model discloses a cylinder assembly 21 of laser marking machine is purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A laser marking machine comprises a case body (1), a lifting mechanism (2), a laser marking mechanism (3), a display assembly (4), a placing plate (5) and a keyboard drawer assembly (6), wherein a placing groove is formed in the upper region of the front end of the case body (1), the keyboard drawer assembly (6) is installed in the placing groove, the lifting mechanism (2) is installed in the middle region of the top end of the case body (1), the laser marking mechanism (3) is installed at the left end of the lifting mechanism (2), the left end of the display assembly (4) is connected with the upper region of the right end of the lifting mechanism (2), the bottom end of the placing plate (5) is connected with the left region of the top end of the case body (1), and four groups of supporting legs (7) are arranged at the bottom end of the case body (1); the machine is characterized by further comprising two groups of limiting shafts (8), an adjusting plate (9), a fastening threaded rod (10), a fastening knob (11), a driving plate (12), a first limiting plate (13), a sliding block (14), a clamping block (15), an adjusting threaded rod (16), an adjusting knob (17), a positioning frame (18) and a second positioning plate (19), wherein the right ends of the two groups of limiting shafts (8) are respectively connected with the front area and the rear area of the upper side of the left end of the machine case body (1), the front area and the rear area of the left end of the adjusting plate (9) are respectively provided with adjusting holes in a penetrating manner, the two groups of limiting shafts (8) are respectively clamped with the two groups of adjusting holes in a sliding manner, the top ends of the front adjusting holes are provided with fastening threaded holes in a penetrating manner, the bottom end of the fastening threaded rod (10) penetrates through the fastening threaded holes and is tightly attached to the top end of the front limiting shaft, the left end of the driving plate (12) is connected with the middle area of the right end of the adjusting plate (9), the right end of the driving plate (12) is connected with the middle area of the left end of the first limiting plate (13), the right area of the top end of the first limiting plate (13) is provided with a sliding chute, the sliding block (14) is clamped with the sliding chute in a sliding mode, the lower area of the left end of the sliding chute is provided with a sliding hole in a penetrating mode, the clamping block (15) is clamped with the sliding hole in a sliding mode, the right end of the clamping block (15) is connected with the lower area of the left end of the sliding block (14), the bottom end of the positioning frame (18) is provided with an L-shaped groove, the top end of the sliding block (14) is connected with the middle area of the top end of the L-shaped groove, the bottom end of the positioning frame (18) is connected with the left area of the top end of the second positioning plate (19), the left area of the top, the adjusting knob (17) is arranged at the top end of the adjusting threaded rod (16), and the bottom end of the second positioning plate (19) is tightly attached to the top end of the placing plate (5).

2. The laser marking machine according to claim 1, further comprising a supporting shaft (20), a cylinder assembly (21), an extrusion plate (22), two sets of cushion blocks (23) and a telescopic plate (24), wherein the bottom end of the supporting shaft (20) is connected with the rear area of the top end of the placing plate (5), a telescopic hole is formed in the upper area of the front end of the supporting shaft (20) in a penetrating mode, the telescopic plate (24) is clamped with the telescopic hole in a sliding mode, the cylinder assembly (21) is installed in the front area of the top end of the telescopic plate (24), a connecting hole is formed in the front area of the top end of the telescopic plate (24) in a penetrating mode, the output end of the cylinder assembly (21) penetrates through the connecting hole in a sliding mode to be connected with the middle area of the top end of the extrusion plate (22), and the top ends of the two sets of cushion blocks (23).

3. The laser marking machine according to claim 2, characterized by further comprising a fixing plate (25), a control knob (26), a control threaded rod (27), a supporting plate (28) and a connecting block (29), wherein the left end of the fixing plate (25) is connected with the upper region of the right end of the lifting mechanism (2), the left end of the supporting plate (28) is connected with the lower region of the right end of the lifting mechanism (2), a penetrating hole is arranged in the middle region of the top end of the fixing plate (25) in a penetrating manner, a bottom end bearing of the control threaded rod (27) penetrates through the penetrating hole and is connected with a top end middle region bearing of the supporting plate (28), the control knob (26) is installed at the top end of the control threaded rod (27), a connecting component is arranged at the right end of the connecting block (29), the right end of the connecting block (29) is connected with the middle region of the left end of the display component (4) through the connecting component, a, the control threaded rod (27) is screwed with the control threaded hole.

4. The laser marking machine as claimed in claim 3, characterized in that the connecting assembly comprises a rotating shaft (30), a control block (33), a control spring (34), a pushing plate (35), a pin shaft (36), a pin head (37) and a mounting plate (38), the right end of the mounting plate (38) is connected with the left end of the display assembly (4), the right end of the connecting block (29) is provided with a rotating groove, the right end of the rotating shaft (30) is connected with the middle region of the left end of the mounting plate (38), the rotating shaft (30) is connected with a rotating groove bearing, the left region of the outer side wall of the rotating shaft (30) is provided with an annular groove (32), a plurality of sets of teeth (31) are arranged in the annular groove (32), the bottom end of the control block (33) is connected with the right region of the top end of the connecting block (29), the bottom end of the control block (33) is provided with a control groove, the, the top end of the control spring (34) is tightly attached to the top end of the control groove, the bottom end of the control spring (34) is tightly attached to the top end of the pushing plate (35), a pin hole is formed in the left portion of the top end of the rotating groove in a penetrating mode, the top end of the pin shaft (36) is connected with the middle portion of the bottom end of the pushing plate (35), the bottom end of the pin shaft (36) penetrates through the pin hole in a sliding mode to be connected with the top end of the pin head (37), and the pin head (37) is clamped with the multiple sets of teeth (.

5. The laser marking machine according to claim 4, characterized in that it further comprises a first manipulating handle (39) and a second manipulating handle (40), the first manipulating handle (39) being mounted in the middle region of the left end of the adjusting plate (9), the second manipulating handle (40) being mounted in the middle region of the top end of the positioning frame (18).

6. The laser marking machine according to claim 5, characterized in that the bottom end of the adjusting threaded rod (16) is provided with an anti-slip rubber pad (43), and the bottom end of the anti-slip rubber pad (43) is closely attached to the top end of the first limit plate (13).

7. The laser marking machine according to claim 6, characterized in that it further comprises an anti-slip grip (41), the anti-slip grip (41) being nested with the first handling handle (39).

8. Laser marking machine according to claim 7, characterized in that the top left and right regions of the adjusting knob (17) are provided with turning handles (42).