CN213003299U

CN213003299U - Laser engraving machine for processing plane and curved surface contour objects

Info

Publication number: CN213003299U
Application number: CN202021704021.9U
Authority: CN
Inventors: 胡智俊; 付炎杰
Original assignee: Wenzhou Polytechnic
Current assignee: Wenzhou Polytechnic
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-20
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a laser engraving machine for processing plane and curved surface contour objects, which comprises an enclosure, a transmission mechanism, a laser and a worktable panel, wherein the transmission mechanism drives the laser to displace, and the worktable panel is laid on the enclosure; a driving motor and a compression assembly are arranged in the enclosure, the compression assembly comprises a guide rail, a fixed seat, a first compression column, a second compression column, a first bearing, a limiting screw and a rotating cap, the guide rail is arranged at the inner bottom of the enclosure, the fixed seat is arranged on the guide rail, the first compression column is fixed on one side of the fixed seat, a circular groove is formed in the outer end of the first compression column, a screw hole is formed in the inner end of the circular groove, and the first bearing is embedded in the circular groove; a large groove is formed in one end face of the rotating cap, a small hole is formed in the inner end of the large groove, and a limiting screw penetrates through the large groove and the small hole in sequence and is screwed into the screw hole; the second pressing column is installed on a motor shaft of the driving motor. The utility model discloses can satisfy the sculpture demand on plane profile object and curved surface profile object surface simultaneously.

Description

Laser engraving machine for processing plane and curved surface contour objects

Technical Field

The utility model relates to a laser engraving technical field especially relates to a laser engraving machine for processing plane and curved surface profile object.

Background

The laser carving machine utilizes the basic principle of laser processing machine to guide and focus the laser beam output by laser to the surface of the carved object, the focused laser beam is absorbed by material, the surface material of the object is gasified due to the suddenly raised temperature, so that the irradiated part of the surface of the object is concave, thus achieving the aim of carving and cutting.

At present, most of laser engraving machines mainly comprise an optoelectronic device, a support, a transmission mechanism arranged in the support, a worktable which is arranged on the support and can transversely move in front and a clamping tool arranged on one side of the worktable, and have the defects of single function, capability of only engraving characters and pictures on the surface of an object with a plane contour by using laser, and incapability of meeting the requirement of engraving objects with a curved contour at the same time, and lack of market competitiveness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser engraving machine for processing plane and curved surface profile object, the utility model discloses can satisfy the sculpture demand on plane profile object and curved surface profile object surface simultaneously, can promote laser engraving machine's market competition greatly.

In order to achieve the above object, the utility model provides a following technical scheme: a laser engraving machine for processing plane and curved surface contour objects comprises an enclosure, a transmission mechanism, a laser and a workbench panel, wherein the transmission mechanism is installed on the upper part of the enclosure, the transmission mechanism drives the laser to move, and the workbench panel can be movably laid on the enclosure and used for placing the plane contour objects; the enclosure is internally provided with a driving motor and a compression assembly, the compression assembly comprises a guide rail, a fixed seat, a first compression column, a second compression column, a first bearing, a limiting screw and a rotating cap, the guide rail is arranged at the inner bottom of the enclosure, the fixed seat is arranged on the guide rail, the first compression column is fixed on one side of the fixed seat close to the driving motor, a circular groove is formed in the outer end of the first compression column, a screw hole is formed in the inner end of the circular groove, the first bearing is embedded in the circular groove, and the outer end of the first bearing extends out of the circular groove; a large groove is formed in one end face of the rotating cap, a small hole extending to the other end face of the rotating cap is formed in the inner end of the large groove, the limiting screw sequentially penetrates through the large groove and the small hole and is screwed into the screw hole, when the limiting screw is screwed, the screw cap of the limiting screw abuts against the inner end face of the large groove, and the inner end of the rotating cap abuts against the outer end face of the first bearing; the second pressing column is installed on a motor shaft of the driving motor and is coaxial with the first pressing column, and the rotating cap and the second pressing column are used for abutting against two end faces of the curved surface outline object respectively.

By adopting the technical scheme, the laser engraving machine can perform laser engraving on the surfaces of a plane contour object and a curved surface contour object, when the plane contour object is engraved, the object is only required to be placed on a worktable panel, the laser is driven to move through the transmission mechanism, and light beams generated by the laser are engraved on the surface of the plane contour object along with the track of the laser; when carving curved surface profile object, move the table panel, press from both sides curved surface profile object and will compress tightly the fixing base of subassembly after rotating cap and second and compress tightly between the post and fix on the guide rail, start driving motor, driving motor's motor shaft drive second compresses tightly the post and rotates, because the inner of rotating the cap supports on setting up in the first bearing that compresses tightly on the post, consequently the second compresses tightly the post and applys curved surface profile object along circumferential frictional force when, curved surface profile object can produce the rotation with rotating the cap together, drive the laser instrument motion through drive mechanism this moment, the light beam that the laser instrument produced is carved on the surface of curved surface profile object along with the orbit of laser instrument. Therefore, the utility model discloses can satisfy the sculpture demand on plane profile object and curved surface profile object surface simultaneously, can promote laser engraving machine's market competition greatly.

The utility model is further arranged in that the transmission mechanism comprises a first slide rail, a first motor base, a first stepping motor, a first lead screw, a second slide rail, a second motor base, a second stepping motor, a second lead screw and a laser frame; the inner side of the enclosure is provided with a profile frame, the first sliding rail is mounted on the profile frame through screws, a first motor base is fixed at one end of the first sliding rail, the first stepping motor is mounted on the first motor base, and a motor shaft of the first stepping motor is connected with a first lead screw; the laser rack is characterized in that the second sliding rail is vertically arranged on the side portion of the second motor base, a first sliding block matched with the first sliding rail is arranged at the bottom of the second motor base, a first lead screw nut matched with the first lead screw is arranged at the top of the second motor base, the second stepping motor is arranged on the second motor base, a motor shaft of the second stepping motor is connected with the second lead screw, a second sliding block matched with the second sliding rail is arranged at the bottom of the laser rack, a second lead screw nut matched with the second lead screw is further arranged on the laser rack, and the laser is arranged on the laser rack.

By adopting the technical scheme, XY axis transmission of the laser can be realized, and the mode that the stepping motor is matched with the lead screw for transmission is quite stable and fine, so that the engraving precision can be improved.

The utility model discloses further set up to, a plurality of louvres have been seted up on the laser frame.

By adopting the technical scheme, the radiating fan on the laser is convenient to enhance the radiating effect when blowing.

The utility model discloses further set up to, be equipped with primary shaft bearing on the first slide rail, install the second bearing with first lead screw looks adaptation on the primary shaft bearing, be equipped with secondary shaft bearing on the second slide rail, install the third bearing with second lead screw looks adaptation on the secondary shaft bearing.

Through adopting above-mentioned technical scheme, can not only play the supporting role to first lead screw and second lead screw, can avoid first lead screw and second lead screw to produce the circumference undulant at the pivoted in-process simultaneously to improve first lead screw and second lead screw pivoted stability, guarantee the good quality of sculpture pattern.

The utility model discloses further set up to, be equipped with the spout that the cross-section is umbrella-type along length direction on the guide rail, the mounting panel top spin has connect locking screw, locking screw's bottom with the spacing portion of spout looks adaptation.

Through adopting above-mentioned technical scheme, after the position of adjusting the fixing base, the locking screw of screwing, the spacing portion of locking screw supports compresses tightly the mounting panel on the guide rail on the spout inner wall, can realize the fixed of mounting panel fast, and then realizes the fixed of fixing base.

The utility model discloses further set up to, the both sides that the mounting panel bottom is located the guide rail are equipped with the limiting plate.

Through adopting above-mentioned technical scheme, hug closely the guide rail both sides with the limiting plate, rock about can not producing by driving motor rotating the mounting panel to guarantee to compress tightly the stability of subassembly, promote the glyptic quality of curved surface profile object.

The utility model discloses further set up to, enclose one side of keeping off and set up the inside mounting hole with the external world of intercommunication, the position that encloses the inboard mounting hole that is located of fender is equipped with the mounting bracket, driving motor sets up on the mounting bracket.

Through adopting above-mentioned technical scheme, can make things convenient for driving motor's installation and subsequent maintenance to dismantle greatly.

The utility model discloses further set up to, enclose the lateral part of fender and still seted up inside and external opening of intercommunication, the slip is provided with the drawer on the opening.

Through adopting above-mentioned technical scheme, can accomodate instrument and sculpture article, conveniently take and deposit at any time.

Drawings

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

fig. 2 is a schematic structural view of the compressing assembly of the present invention;

fig. 3 is a partial cross-sectional view of the hold-down assembly of the present invention;

fig. 4 is a schematic view of an application structure of the compressing assembly of the present invention;

fig. 5 is a schematic structural view of the transmission mechanism of the present invention;

fig. 6 is a schematic structural diagram of the laser frame of the present invention.

In the figure: 1. fencing; 2. a transmission mechanism; 3. a laser; 4. a table top plate; 5. a drive motor; 6. a compression assembly; 7. a profile frame; 8. an opening; 9. a drawer; 10. a guide rail; 11. a fixed seat; 12. a first compression column; 13. a second compression column; 14. rotating the cap; 15. mounting a plate; 16. locking screws; 17. a chute; 18. a limiting plate; 19. mounting holes; 20. a mounting frame; 21. a limiting part; 22. a large groove; 23. a small hole; 24. a limiting screw; 25. a screw hole; 26. a circular groove; 27. a first bearing; 28. a first slide rail; 29. a first motor mount; 30. a first stepper motor; 31. a first lead screw; 32. a second slide rail; 33. a second motor mount; 34. a second stepping motor; 35. a second lead screw; 36. a laser frame; 37. a first slider; 38. a first lead screw nut; 39. a second slider; 40. a second lead screw nut; 41. a first bearing housing; 42. a second bearing; 43. a second bearing housing; 44. a third bearing; 45. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): the utility model provides a laser engraving machine for processing plane and curved surface profile object, as shown in attached figure 1 ~ 6, including enclosing fender 1 (made by wooden material), drive mechanism 2, laser instrument 3 and table panel 4, drive mechanism 2 installs in enclosing fender 1 upper portion, and drive mechanism 2 drives laser instrument 3 and carries out the displacement, and laser instrument 3 is the common laser instrument that has radiator fan in market, because it buys very easily in market, therefore its specific structure does not give unnecessary detail here, table panel 4 can move and lay and be used for placing plane profile object on enclosing fender 1, and table panel 4 directly places in enclosing fender 1 upper end promptly; a driving motor 5 and a pressing component 6 are arranged in the enclosure 1, the pressing component 6 comprises a guide rail 10, a fixed seat 11, a first pressing column 12, a second pressing column 13, a first bearing 27 (a surface contact bearing), a limiting screw 24 and a rotating cap 14, the guide rail 10 is installed at the bottom in the enclosure 1 through screws, the fixed seat 11 is installed on the guide rail 10, the first pressing column 12 is fixed on one side of the fixed seat 11 close to the driving motor 5, a circular groove 26 is formed in the outer end of the first pressing column 12, a screw hole 25 is formed in the inner end of the circular groove 26, the first bearing 27 is embedded in the circular groove 26, and the outer end of the first bearing 27 extends out of the circular groove 26; a large groove 22 is formed in one end face of the rotating cap 14, a small hole 23 extending to the other end face of the rotating cap 14 is formed in the inner end of the large groove 22, the diameter of the small hole 23 is larger than that of the limiting screw 24, the limiting screw 24 sequentially penetrates through the large groove 22 and the small hole 23 and is screwed into the screw hole 25, when the limiting screw 24 is screwed, the nut of the limiting screw 24 abuts against the inner end face of the large groove 22, and the inner end of the rotating cap 14 abuts against the outer end face of the first bearing 27; the second pressing column 13 is installed on a motor shaft of the driving motor 5, the second pressing column 13 is coaxial with the first pressing column 12, the rotating cap 14 and the second pressing column 13 are used for abutting against two end faces of the curved surface contour object respectively, and when the second pressing column 13 applies friction force to the curved surface contour object along the circumferential direction, the curved surface contour object and the rotating cap 14 rotate together.

As shown in fig. 1 and fig. 5, the transmission mechanism 2 includes a first slide rail 28, a first motor base 29, a first stepping motor 30, a first lead screw 31, a second slide rail 32, a second motor base 33, a second stepping motor 34, a second lead screw 35, and a laser frame 36; the inner side of the enclosure 1 is provided with a profile frame 7, the first slide rail 28 is mounted on the profile frame 7 through screws, a first motor base 29 is fixed at one end of the first slide rail 28, the first stepping motor 30 is mounted on the first motor base 29, and a motor shaft of the first stepping motor 30 is connected with a first lead screw 31; the second sliding rail 32 is vertically arranged on the side portion of the second motor base 33, a first sliding block 37 matched with the first sliding rail 28 is arranged at the bottom of the second motor base 33, a first lead screw nut 38 matched with the first lead screw 31 is arranged at the top of the second motor base 33, the first lead screw nut 38 is fixed on the second motor base 33 in a welding mode, the second stepping motor 34 is installed on the second motor base 33, a motor shaft of the second stepping motor 34 is connected with the second lead screw 35, a second sliding block 39 matched with the second sliding rail 32 is arranged at the bottom of the laser frame 36, a second lead screw nut 40 matched with the second lead screw 35 is further arranged on the laser frame 36, the second lead screw nut 40 is fixed on the laser frame 36 in a welding mode, and the laser 3 is installed on the laser frame 36. The structure can realize XY axis transmission of the laser 3, and the stepping motor is very stable and fine in a manner of being matched with a lead screw for transmission, so that the engraving precision can be improved.

As shown in fig. 6, a plurality of heat dissipation holes 45 are formed in the laser frame 36, that is, the bottom of the bearing position on the laser frame 36 is designed to be hollow, which facilitates the heat dissipation effect enhancement when the heat dissipation fan on the laser 3 blows air.

As shown in fig. 5, a first bearing seat 41 is arranged on the first slide rail 28, a second bearing 42 adapted to the first lead screw 31 is mounted on the first bearing 27, a hole can be formed in the first bearing seat 41, and the second bearing 42 is embedded in the hole and fixed by interference fit; and a second bearing seat 43 is arranged on the second slide rail 32, a third bearing 44 matched with the second lead screw 35 is mounted on the second bearing seat 43, a hole can be formed in the second bearing 42 seat, and the third bearing 44 is embedded in the hole and fixed through interference fit. This structure can not only play the supporting role to first lead screw 31 and second lead screw 35, can avoid first lead screw 31 and second lead screw 35 to produce the circumference undulant at the pivoted in-process simultaneously to improve first lead screw 31 and second lead screw 35 pivoted stability, guarantee the good quality of sculpture pattern.

As shown in fig. 2 and fig. 3, a sliding groove 17 having an umbrella-shaped cross section is formed in the guide rail 10 along the length direction, a locking screw 16 is screwed on the mounting plate 15, and a limiting portion 21 is formed at the bottom end of the locking screw 16 and is adapted to the sliding groove 17. After the position of the fixed seat 11 is adjusted, the locking screw 16 is screwed, the limiting part 21 of the locking screw 16 abuts against the inner wall of the sliding groove 17 to tightly press the mounting plate 15 on the guide rail 10, so that the mounting plate 15 can be fixed quickly, and the fixed seat 11 is further fixed.

As shown in fig. 2, the bottom of the mounting plate 15 is provided with a limiting plate 18 at two sides of the guide rail 10, and the limiting plate 18 and the mounting plate 15 are integrated. Hug closely limiting plate 18 guide rail 10 both sides, can drive motor 5 when rotating mounting panel 15 can not produce and control and rock to guarantee to compress tightly the stability of subassembly 6, promote the glyptic quality of curved surface profile object.

As shown in fig. 2, a mounting hole 19 communicating the inside with the outside is formed in one side of the enclosure 1, a mounting frame 20 is arranged at a position, located in the mounting hole 19, on the inner side of the enclosure 1, and the driving motor 5 is arranged on the mounting frame 20. This design can make things convenient for driving motor 5's installation and subsequent maintenance to dismantle greatly.

As shown in fig. 1, an opening 8 communicating the inside with the outside is further formed in the side portion of the enclosure 1, and a drawer 9 is slidably arranged on the opening 8. The drawer 9 can accommodate tools and carved objects, and is convenient to take and store at any time.

The working principle is as follows: the utility model can carry out laser engraving on the surface of a plane profile object and a curved surface profile object, when the plane profile object is engraved, the object is only needed to be placed on the worktable panel 4, the laser 3 is driven to move through the transmission mechanism 2, and the light beam generated by the laser 3 is engraved on the surface of the plane profile object along with the track of the laser 3; when the curved surface profile object is carved, the workbench panel 4 is moved, the curved surface profile object is clamped between the rotating cap 14 and the second pressing column 13, then the fixing seat 11 of the pressing component 6 is fixed on the guide rail 10, the driving motor 5 is started, the motor shaft of the driving motor 5 drives the second pressing column 13 to rotate, as the inner end of the rotating cap 14 is propped against the first bearing 27 arranged on the first pressing column 12, when the second pressing column 13 applies the friction force of the curved surface profile object along the circumferential direction, the curved surface profile object can rotate together with the rotating cap 14, at the moment, the driving mechanism 2 drives the laser 3 to move, and the light beam generated by the laser 3 is carved on the surface of the curved surface profile object along with the track of the laser 3. Therefore, the utility model discloses can satisfy the sculpture demand on plane profile object and curved surface profile object surface simultaneously, can promote laser engraving machine's market competition greatly.

Claims

1. A laser engraving machine for processing plane and curved surface contour objects comprises an enclosure (1), a transmission mechanism (2), a laser (3) and a workbench panel (4), wherein the transmission mechanism (2) is installed at the upper part of the enclosure (1), the transmission mechanism (2) drives the laser (3) to move, and the workbench panel (4) can be movably laid on the enclosure (1) and used for placing the plane contour objects; the method is characterized in that: the enclosure is characterized in that a driving motor (5) and a pressing assembly (6) are arranged in the enclosure (1), the pressing assembly (6) comprises a guide rail (10), a fixed seat (11), a first pressing column (12), a second pressing column (13), a first bearing (27), a limiting screw (24) and a rotating cap (14), the guide rail (10) is installed at the bottom in the enclosure (1), the fixed seat (11) is installed on the guide rail (10), the first pressing column (12) is fixed on one side, close to the driving motor (5), of the fixed seat (11), a circular groove (26) is formed in the outer end of the first pressing column (12), a screw hole (25) is formed in the inner end of the circular groove (26), the first bearing (27) is embedded in the circular groove (26), and the outer end of the first bearing (27) extends out of the circular groove (26); a large groove (22) is formed in one end face of the rotating cap (14), a small hole (23) extending to the other end face of the rotating cap (14) is formed in the inner end of the large groove (22), the limiting screw (24) sequentially penetrates through the large groove (22) and the small hole (23) and is screwed into the screw hole (25), when the limiting screw (24) is screwed, a screw cap of the limiting screw (24) abuts against the inner end face of the large groove (22), and the inner end of the rotating cap (14) abuts against the outer end face of the first bearing (27); the second pressing column (13) is installed on a motor shaft of the driving motor (5), the second pressing column (13) is coaxial with the first pressing column (12), and the rotating cap (14) and the second pressing column (13) are used for abutting against two end faces of the curved profile object respectively.

2. A laser engraving machine for working objects with a plane and a curved profile, according to claim 1, characterized in that: the transmission mechanism (2) comprises a first slide rail (28), a first motor base (29), a first stepping motor (30), a first lead screw (31), a second slide rail (32), a second motor base (33), a second stepping motor (34), a second lead screw (35) and a laser frame (36); the inner side of the enclosure (1) is provided with a profile frame (7), the first sliding rail (28) is mounted on the profile frame (7) through screws, a first motor base (29) is fixed at one end of the first sliding rail (28), the first stepping motor (30) is mounted on the first motor base (29), and a motor shaft of the first stepping motor (30) is connected with a first lead screw (31); second slide rail (32) set up perpendicularly in the lateral part of second motor cabinet (33), and the bottom of second motor cabinet (33) is equipped with first slider (37) with first slide rail (28) looks adaptation, and the top of second motor cabinet (33) is equipped with first lead screw nut (38) with first lead screw (31) matched with, install on second motor cabinet (33) second step motor (34), and the motor shaft of second step motor (34) is connected with second lead screw (35), the bottom of laser frame (36) is equipped with second slider (39) with second slide rail (32) looks adaptation, still is equipped with on laser frame (36) with second lead screw nut (40) of second lead screw (35) matched with, install on laser frame (36) laser instrument (3).

3. A laser engraving machine for working objects with a plane and a curved profile, according to claim 2, characterized in that: the laser frame (36) is provided with a plurality of heat dissipation holes (45).

4. A laser engraving machine for working objects with a plane and a curved profile, according to claim 2, characterized in that: be equipped with first bearing frame (41) on first slide rail (28), install second bearing (42) with first lead screw (31) looks adaptation on first bearing frame (41), be equipped with second bearing frame (43) on second slide rail (32), install third bearing (44) with second lead screw (35) looks adaptation on second bearing frame (43).

5. A laser engraving machine for working objects with a plane and a curved profile, according to claim 1, characterized in that: enclose one side of fender (1) and offer inside and external mounting hole (19) of intercommunication, enclose the position that keeps off (1) inboard and be located mounting hole (19) and be equipped with mounting bracket (20), driving motor (5) set up on mounting bracket (20).

6. A laser engraving machine for working objects with a plane and a curved profile, according to claim 1, characterized in that: the side part of the enclosure (1) is further provided with an opening (8) which is communicated with the inside and the outside, and a drawer (9) is arranged on the opening (8) in a sliding manner.