3D laser engraving device for automobile interior mold decoration lines and use method

Abstract

The application discloses a 3D laser engraving device for automobile interior mold decoration lines, which comprises a base, a first transmission assembly, a second transmission assembly, a clamping and positioning rotating structure, a laser engraving head, a workpiece clamping seat plate structure and a digital display control panel arranged from bottom to top, wherein the workpiece clamping seat plate structure can realize positioning and clamping of the workpiece on both sides, the clamping and positioning rotating structure can realize positioning and clamping and up-down overturning of the workpiece clamping seat plate structure, and through mutual cooperation and mutual cooperation between the lifting driving structure, the positioning and lifting structure, the clamping and positioning rotating structure, the Y-direction linear guide rail, the Z-direction linear guide rail, the X-direction linear guide rail, the workpiece clamping seat plate structure, the first transmission assembly, the second transmission assembly and the digital display control panel, the automatic feeding and discharging during the workpiece engraving process can be realized, the engraving efficiency can be improved, the laser point position deepening in multiple dimensional angle directions can be realized and the like, and an integral whole is formed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of laser engraving equipment, in particular to a 3D laser engraving device for decorative patterns of automobile interior mold and a use method thereof. BACKGROUND

[0002] Laser engraving processing is based on numerical control technology and uses laser as a processing medium. The physical denaturation of the processed material through instantaneous melting and gasification under laser engraving irradiation can achieve the purpose of laser engraving. With the development and progress of modern society, the original spraying technology is replaced by laser engraving in the process of automobile interior processing, which makes the interior texture and text have a longer service life and are more beautiful.

[0003] The application number 202221013003.5 is a kind of online continuous laser engraving and automatic sorting equipment for automobile interior spraying parts, including rack, product placing disc, defective product grabbing device, laser engraving device, CCD, fixed frame, first moving module, second moving module and third moving module;The first moving module is fixed on the rack, the second moving module and the third moving module are fixed on the rack through the support seat respectively, and the product placing disc is arranged at the output end of the first moving module.

[0004] However, in the prior art, the engraving processing of automobile interior mold can only be processed one by one, especially for irregular shaped workpieces, manual replacement and clamping positioning of workpieces are required, and the engraving efficiency is low. SUMMARY

[0005] (I) Technical problems to be solved

[0006] The purpose of the present application is to provide a 3D laser engraving device and method for decorative patterns of automobile interior mold to solve the above problems.

[0007] (II) Technical solutions

[0008] To achieve the above purpose, the present application provides the following technical solutions:

[0009] The 3D laser engraving device for decorative patterns of automobile interior mold provided by the present application comprises a base, a first transmission assembly, a second transmission assembly, a clamping and positioning rotating structure, a laser engraving head, a workpiece clamping seat plate structure and a digital display control panel arranged from bottom to top, wherein the workpiece clamping seat plate structure can realize positioning and clamping of the workpiece on both sides, and the clamping and positioning rotating structure can position and clamp the workpiece clamping seat plate structure and flip it up and down.

[0010] The base is provided with a support, the support is respectively provided with a Z linear guide rail for driving the laser engraving head to move linearly in the Z direction and an X linear guide rail for driving the laser engraving head to move linearly in the X direction, and the support is further provided with a Y linear guide rail for driving the clamping and positioning rotating structure to move linearly in the Y direction;

[0011] A positioning and lifting structure is movably arranged between the first conveying assembly, the second conveying assembly and the clamping and positioning rotating structure, the positioning and lifting structure is driven to move by a lifting driving structure arranged on the base, and the positioning and lifting structure can realize positioning and lifting of the workpiece clamping seat plate structure and horizontal rotation;

[0012] When the positioning and lifting structure drives the workpiece clamping seat plate structure to rotate by a certain angle, the lifting driving structure drives the workpiece clamping seat plate structure to lift to pass through the second conveying assembly;

[0013] When the positioning and lifting structure drives the workpiece clamping seat plate structure to rotate by another angle, the lifting driving structure drives the workpiece clamping seat plate structure to fall on the second conveying assembly to be conveyed.

[0014] Further, the Y linear guide rail comprises two first tracks arranged in parallel, each first track is slidably provided with a first slider, and each first track is rotatably provided with a first lead screw, the end of each first lead screw is driven to rotate by a first driving motor fixedly arranged at the end of the corresponding first track, a first threaded hole matched with the corresponding first lead screw is formed through the first slider, the clamping and positioning rotating structure is arranged between the two first sliders, and the output end of the digital control panel is electrically connected to the input end of the first driving motor.

[0015] Further, the clamping and positioning rotating structure comprises a clamping frame body in the shape of a cuboid, the clamping frame body is rotatably arranged between the two first sliders, one of the first sliders is fixedly provided with a second rotating motor for driving the clamping frame body to flip up and down, the clamping frame body is provided with clamping frame rods at both ends along the length direction of the clamping frame body, a first air cylinder for driving adjustment of the distance between the two clamping frame rods is arranged on the outer side of the clamping frame body, a first sliding groove for sliding the clamping frame rods is formed in the clamping frame rods, the first air cylinder is a double-shaft push rod air cylinder, a clamping groove is formed in the side of each clamping frame rod opposite to the other clamping frame rod, and a clamping pad is arranged at the inner end face of each clamping groove, and the output end of the digital control panel is respectively electrically connected to the input end of the second rotating motor and the first air cylinder.

[0016] Further, two ends of each of the clamping frame rods are provided with second sliding grooves in communication with the clamping grooves, each of the second sliding grooves is slidably provided with a push block, a second cylinder for adjusting the distance between the two push blocks is arranged between the two push blocks, the second cylinder is a double-shaft cylinder push rod, the second cylinder is fixedly arranged on the clamping frame rod, and the output end of the digital control panel is electrically connected to the input end of the second cylinder.

[0017] Further, the positioning and lifting structure comprises a first rotary motor fixedly arranged at the top end of the lifting driving structure, the output shaft end of the first rotary motor faces upwards and is fixedly connected with a lifting plate, the lifting plate has a cuboid shape, supporting columns are fixedly arranged at the upper four corners of the lifting plate, each supporting column is fixedly provided with a positioning cone which is narrow at the top and wide at the bottom, the workpiece clamping seat plate structure is provided with positioning holes corresponding to the positioning cones, and the output end of the digital control panel is electrically connected to the input end of the first rotary motor.

[0018] Further, the workpiece clamping seat plate structure comprises a clamp plate which has a cuboid shape, a plurality of clamping holes are arranged on the clamp plate in a rectangular array mode, and clamping blocks for clamping the workpiece are detachably connected to the two sides of the clamp plate through the clamping holes.

[0019] Further, the first transmission assembly comprises two first transmission supports arranged in parallel, the first transmission supports are fixedly arranged on the bracket, and the first transmission supports are respectively provided with first edge transmission belts arranged in synchronization, and the two first edge transmission belts are used for supporting and transmitting the edges on the two sides of the clamp plate in the width direction, the second transmission assembly comprises two second transmission supports arranged in parallel, the second transmission supports are fixedly arranged on the bracket, and the second transmission supports are respectively provided with second edge transmission belts arranged in synchronization, and the two second edge transmission belts are used for supporting and transmitting the edges on the two sides of the clamp plate in the length direction.

[0020] Further, the Z-direction linear guide rail comprises two second rails arranged in parallel, the lower ends of the two second rails are fixedly arranged at the upper middle positions of the two first rails, each second rail is slidably provided with a second sliding block, and each second rail is rotatably provided with a second lead screw, the end of each second lead screw is driven to rotate by a second driving motor fixedly arranged at the end of the corresponding second rail, the second sliding block is provided with a second threaded hole in penetration, and the second threaded hole is in communication with the corresponding second lead screw, the X-direction linear guide rail is arranged between the two second sliding blocks, and the output end of the digital control panel is electrically connected to the input end of the second driving motor.

[0021] Further, the X-direction linear guide rail comprises a third rail, two ends of the third rail are fixedly arranged on the two second sliders, a third slider is slidably arranged in the third rail, third screws are rotatably arranged in the third rail, ends of the third screws are driven to rotate by a third driving motor fixedly arranged in one end of the third rail, a third threaded hole matched with the third screw is formed through the third slider, the laser engraving head is arranged on the third slider, and an output end of the digital display control panel is electrically connected to an input end of the second driving motor.

[0022] A use method of a 3D laser engraving device for automobile interior mold decoration lines, comprising the following steps:

[0023] S1: first, the first transmission assembly moves the workpiece clamping seat plate structure to a position below the positioning lifting structure, the lifting driving structure drives the positioning lifting structure to move upward, and the positioning lifting structure is positioned and connected with the workpiece clamping seat plate structure during upward movement and lifts the workpiece clamping seat plate structure away from the first transmission assembly;

[0024] S2: the lifting driving structure drives the positioning lifting structure to continue to move upward, the workpiece clamping seat plate structure passes through the second transmission assembly and moves to the position of the clamping and positioning rotating structure, and the clamping and positioning rotating structure is used for clamping and positioning the workpiece clamping seat plate structure;

[0025] S3: the Y-direction linear guide rail drives the clamping and positioning rotating structure to move along the horizontal Y-direction, and the Z-direction linear guide rail and the X-direction linear guide rail drive the laser engraving head to move along the horizontal X-direction and the vertical Z-direction, so that three-dimensional engraving of the workpiece on the workpiece clamping seat plate structure is realized;

[0026] S4: in the step S3, the clamping and positioning rotating structure drives the workpiece clamping seat plate structure to turn upside down, so that after the workpiece on one surface of the workpiece clamping seat plate structure is engraved, the clamping and positioning rotating structure drives the workpiece clamping seat plate structure to turn to the other surface of the workpiece for engraving;

[0027] S5: in the step S4, after the workpieces clamped on the front and back surfaces of the workpiece clamping seat plate structure are all engraved, the lifting driving structure drives the positioning lifting structure to move upward to the position of the clamping and positioning rotating structure and is positioned with the workpiece clamping seat plate structure, the clamping and positioning rotating structure releases the clamping of the workpiece clamping seat plate structure, the lifting driving structure drives the positioning lifting structure to move downward and rotate horizontally, and the workpiece clamping seat plate structure falls on the second transmission assembly for transmission.

[0028] (Three) beneficial effects

[0029] Compared with the prior art, the beneficial effects of the present application are that:

[0030] 1、Through the clamping positioning rotation structure, the angle of the workpiece clamping seat plate structure can be turned over, so that when turned over by one hundred and eighty degrees, the engraving operation of clamping the workpiece on the front and back of the workpiece clamping seat plate structure is realized, the engraving efficiency is improved, the workpiece clamping seat plate structure can be driven to rotate by a certain angle by the clamping positioning rotation structure, so that part of the workpiece with a groove is exposed, and the laser engraving head can conveniently perform laser operation;

[0031] 2、The second air cylinder adjusts the spacing between the two push blocks, so that the position of the workpiece clamping seat plate structure during clamping can be adjusted, and the workpiece can be pre-positioned and clamped before engraving;

[0032] 3、The lifting driving structure, the positioning lifting structure, the first transmission assembly and the second transmission assembly can cooperate to realize automatic feeding and discharging of the workpiece clamping seat plate structure on the clamping positioning rotation structure, the overall structure is simple, the operation is convenient, and continuous automatic engraving of the workpiece is realized;

[0033] 4、The clamping positioning rotation structure is driven by the Y-direction linear guide to move horizontally along the Y-direction, the laser engraving head is driven by the Z-direction linear guide and the X-direction linear guide to move horizontally along the X-direction and vertically along the Z-direction, and the Y-direction linear guide, the Z-direction linear guide and the X-direction linear guide cooperate with each other, so that three-dimensional engraving of the workpiece on the workpiece clamping seat plate structure can be realized, and laser engraving of the workpiece with a larger area can be realized;

[0034] 5、Through the cooperation and mutual cooperation between the lifting driving structure, the positioning lifting structure, the clamping positioning rotation structure, the Y-direction linear guide, the Z-direction linear guide, the X-direction linear guide, the workpiece clamping seat plate structure, the first transmission assembly, the second transmission assembly and the digital display control panel, automatic feeding and discharging during engraving of the workpiece can be realized, the engraving efficiency can be improved, and the functions of multi-dimensional angle direction laser point depth and the like can be improved, forming an integral whole. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0036] Figure 1 is a front view structural schematic diagram of the present application;

[0037] Figure 2 is a right view structural schematic diagram of the present application; Figure 1

[0038] ​Figure 3 is a schematic view of the A-A cross-sectional structure of the present application Figure 1 ;

[0039] Figure 4 is a schematic view of the D local enlarged structure of the present application Figure 3 ;

[0040] Figure 5 is a schematic view of the B-B cross-sectional structure of the present application Figure 1 ;

[0041] Figure 6 is a schematic view of the C-C cross-sectional structure of the present application Figure 2 ;

[0042] Figure 7 is a schematic view of the E local enlarged structure of the present application Figure 6 ;

[0043] Figure 8 is a schematic view of the perspective structure of the present application Figure 1 ;

[0044] Figure 9 is a schematic view of the another direction perspective structure of the present application Figure 1 ;

[0045] Figure 10 is a schematic view of the F local enlarged structure of the present application Figure 9 ;

[0046] Figure 11 is a schematic view of the perspective structure of the workpiece clamping seat plate structure of the present application

[0047] The reference signs are explained as follows: 1, base; 101, support; 2, lifting driving structure; 3, positioning and lifting structure; 301, first rotary motor; 302, supporting plate; 303, supporting column; 304, positioning cone; 4, clamping and positioning rotary structure; 401, clamping frame body; 402, second rotary motor; 403, first air cylinder; 404, second air cylinder; 405, first sliding groove; 406, clamping frame rod; 407, second sliding groove; 408, clamping groove; 409, clamping pad; 410, push block; 5, Y-direction linear guide rail; 501, first rail; 502, first driving motor; 503, first lead screw; 504, first sliding block; 6, Z-direction linear guide rail; 601, second rail; 602, second driving motor; 603, second lead screw; 604, second sliding block; 7, X-direction linear guide rail; 701, third rail; 702, third driving motor; 703, third lead screw; 704, third sliding block; 8, laser engraving head; 801, galvanometer; 802, field lens; 9, workpiece clamping seat plate structure; 901, clamp plate; 902, positioning hole; 903, clamping block; 904, clamping hole; 10, first transmission assembly; 1001, first transmission support; 1002, first edge transmission belt; 11, second transmission assembly; 1101, second transmission support; 1102, second edge transmission belt; 12, digital display control panel; 13, position detection switch; 14, workpiece. DETAILED DESCRIPTION

[0048] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0049] Reference is made to Figures 1-11As shown, the present application provides a 3D laser engraving device for automobile interior mold decoration lines, which comprises a base 1, a first transmission assembly 10, a second transmission assembly 11, a clamping and positioning rotating structure 4, a laser engraving head 8, a workpiece clamping seat plate structure 9 and a digital display control panel 12 arranged from bottom to top, wherein the workpiece clamping seat plate structure 9 can realize positioning and clamping of the workpiece 14 on both sides, and the clamping and positioning rotating structure 4 can realize positioning and clamping and up-down overturning of the workpiece clamping seat plate structure 9; the base 1 is fixedly provided with a support 101 on the upper side, and the shape of the base 1 is a cuboid, the support 101 is provided with four and is fixedly arranged at the four corners of the upper side of the base 1, the support 101 is respectively provided with a Z-direction linear guide rail 6 for linear driving movement of the laser engraving head 8 in the Z-direction and an X-direction linear guide rail 7 for linear driving movement of the laser engraving head 8 in the X-direction, and the support 101 is further provided with a Y-direction linear guide rail 5 for linear driving movement of the clamping and positioning rotating structure 4 in the Y-direction; the first transmission assembly 10, the second transmission assembly 11 and the clamping and positioning rotating structure 4 are movably arranged between the upper and lower sides, and a positioning and lifting structure 3 is arranged therebetween, the positioning and lifting structure 3 is driven by a lifting driving structure 2 arranged on the base 1 to move up and down, and the positioning and lifting structure 3 can realize positioning and lifting of the workpiece clamping seat plate structure 9 and horizontal rotation; when the positioning and lifting structure 3 drives the workpiece clamping seat plate structure 9 to rotate by a certain angle, the lifting driving structure 2 drives the workpiece clamping seat plate structure 9 to move up and down to pass through the second transmission assembly 11; when the positioning and lifting structure 3 drives the workpiece clamping seat plate structure 9 to rotate by another angle, the lifting driving structure 2 drives the workpiece clamping seat plate structure 9 to fall on the second transmission assembly 11 to realize transmission.

[0050] See the attached drawings Figure 1 and 3As shown, the Y-direction linear guide rail 5 comprises two first rails 501 distributed in parallel, each of the first rails 501 is provided with a first sliding groove, each of the first rails 501 is slidably provided with a first sliding block 504, and each of the first rails 501 is rotatably provided with a first lead screw 503. The end of each of the first lead screws 503 is driven to rotate by a first driving motor 502 fixedly arranged at the end of the corresponding first rail 501. Each of the first sliding blocks 504 is provided with a first threaded hole penetratingly arranged therein and matched with the corresponding first lead screw 503. The clamping and positioning rotary structure 4 is arranged between the two first sliding blocks 504. The output end of the digital display control panel 12 is electrically connected to the input end of the first driving motor 502. In actual application, the Y-direction linear guide rail 5 can realize horizontal driving movement of the clamping and positioning rotary structure 4, increase the engraving range of the workpiece, realize large-range engraving of the workpiece, and realize three-dimensional engraving of the workpiece by the laser engraving head 8 in cooperation with the Z-direction linear guide rail 6 and the X-direction linear guide rail 7. In actual application, the laser engraving head 8 adopts 3D dynamic focusing technology and is composed of a galvanometer 801 and a field lens 802. The 3D dynamic focusing technology can realize three-dimensional and multi-directional application of the workpiece and make the engraving effect of the workpiece more accurate and precise, thereby avoiding defects.

[0051] See the accompanying drawings Figure 3 and 4As shown, the embodiment proposes a specific clamping and positioning rotating structure 4, which comprises a clamping frame body 401 in the shape of a hollow cuboid, the clamping frame body 401 is rotationally arranged between two first sliders 504, one of the first sliders 504 is fixedly provided with a second rotary motor 402 for driving the clamping frame body 401 to overturn up and down, the clamping frame body 401 is provided with clamping frame rods 406 at both ends along the length direction, the outer side of the clamping frame body 401 is provided with a first air cylinder 403 for driving the adjustment of the distance between the two clamping frame rods 406, the clamping frame rods 406 are provided with first sliding grooves 405 for sliding the clamping frame rods 406, the first air cylinder 403 is a double-shaft push rod air cylinder, the two clamping frame rods 406 are provided with clamping grooves 408 on one side opposite to each other, the inner end surface of each clamping groove 408 is provided with a clamping pad 409, in actual application, the clamping pad 409 plays a protective role of preventing pressure injury in the process of abutting and clamping the workpiece clamping seat plate structure 9, the output end of the digital display control panel 12 is electrically connected to the input end of the second rotary motor 402 and the first air cylinder 403 respectively. The two ends of each clamping frame rod 406 are provided with second sliding grooves 407 which are in communication with the clamping grooves 408, a push block 410 is slidingly arranged in each second sliding groove 407, a second air cylinder 404 is arranged between the two push blocks 410 for adjusting the distance therebetween, the second air cylinder 404 adjusts the distance between the two push blocks 410, so that the position of the workpiece clamping seat plate structure 9 during clamping can be adjusted, the pre-positioning before engraving can be realized, the second air cylinder 404 is a double-shaft air cylinder push rod, the second air cylinder 404 is fixedly arranged on the clamping frame rod 406, and the output end of the digital display control panel 12 is electrically connected to the input end of the second air cylinder 404. In actual application, the workpiece 14 is first clamped and positioned on the front and back surfaces of the workpiece clamping seat plate structure 9, and then fed by the first transmission assembly 10, the clamping and positioning rotating structure 4 can realize the overturning of the workpiece clamping seat plate structure 9, for example, the overturning of one hundred and eighty degrees of the workpiece clamping seat plate structure 9, so as to realize the engraving operation of the workpiece 14 on the front and back surfaces of the workpiece clamping seat plate structure 9, improve the engraving efficiency, and when the workpiece 14 has an inner groove and the laser point of the laser engraving head 8 is blocked, the clamping and positioning rotating structure 4 can also be rotated by a certain angle, so as to expose the groove of the workpiece 14, and facilitate the laser operation of the laser engraving head 8.

[0052] In order to cooperate with the clamping and positioning rotating structure 4, realize the feeding and discharging of the workpiece clamping seat plate structure 9 at the clamping and positioning rotating structure 4, the positioning and lifting structure 3 comprises a first rotating motor 301 fixedly arranged at the top end of the lifting driving structure 2, the output shaft end of the first rotating motor 301 is upward and fixedly connected with a supporting plate 302, the supporting plate 302 is in the shape of a cuboid, supporting columns 303 are fixedly arranged at the upper side of the four corners of the supporting plate 302, a positioning cone 304 with a narrow upper side and a wide lower side is fixedly arranged at the upper end of each supporting column 303, the workpiece clamping seat plate structure 9 is provided with a positioning hole 902 corresponding to the positioning cone 304, and the output end of the digital control panel 12 is electrically connected to the input end of the first rotating motor 301. In actual application, the positioning cone 304 cooperates with the positioning hole 902, so that the positioning and lifting structure 3 is conveniently and positionally connected with the workpiece clamping seat plate structure 9.

[0053] The lifting driving structure 2 and the positioning and lifting structure 3 cooperate with each other, so that the position of the workpiece clamping seat plate structure 9 between the clamping and positioning rotating structure 4, the first transmission assembly 10 and the second transmission assembly 11 can be converted, and the feeding and discharging transmission of the workpiece is realized.

[0054] The workpiece clamping seat plate structure 9 comprises a clamp plate 901 in the shape of a cuboid, a plurality of clamping holes 904 are arranged on the clamp plate 901 in a rectangular array mode, and clamping blocks 903 for clamping the workpiece 14 are detachably connected to the two sides of the clamp plate 901 through the clamping holes 904.

[0055] The first transmission assembly 10 comprises two first transmission supports 1001 arranged in parallel, the first transmission supports 1001 are fixedly arranged on the support 101, and the first transmission supports 1001 are respectively provided with first edge transmission belts 1002 arranged in synchronization, the two first edge transmission belts 1002 are used for supporting and transmitting the two side edges of the clamp plate 901 in the width direction, the second transmission assembly 11 comprises two second transmission supports 1101 arranged in parallel, the second transmission supports 1101 are fixedly arranged on the support 101, and the second transmission supports 1101 are respectively provided with second edge transmission belts 1102 arranged in synchronization, the two second edge transmission belts 1102 are used for supporting and transmitting the two side edges of the clamp plate 901 in the length direction. Through the above specific structure design, the feeding and discharging of the workpiece clamping seat plate structure 9 can be realized by cooperating with the lifting driving structure 2 and the positioning and lifting structure 3, the overall structure is simple, the operation is convenient, and the continuous automatic engraving processing of the workpiece is realized.

[0056] The position detection switch 13 for detecting the position of the workpiece clamping seat plate structure 9 can be arranged on the first transmission assembly 10 and the second transmission assembly 11, and the position detection switch 13 and the digital control panel 12 are electrically connected.

[0057] The Z-direction linear guide rail 6 comprises two second rails 601 distributed in parallel, the lower ends of the two second rails 601 are fixedly arranged at the upper middle positions of the two first rails 501 respectively, a second sliding block 604 is slidingly arranged in each second rail 601, a second lead screw 603 is rotatably arranged in each second rail 601, the end of each second lead screw 603 is driven to rotate by a second driving motor 602 fixedly arranged at the end of the corresponding second rail 601, a second threaded hole is throughly formed in the second sliding block 604 and connected with the corresponding second lead screw 603, the X-direction linear guide rail 7 is arranged between the two second sliding blocks 604, and the output end of the digital display control panel 12 is electrically connected to the input end of the second driving motor 602. The X-direction linear guide rail 7 comprises a third rail 701, the two ends of the third rail 701 are fixedly arranged on the two second sliding blocks 604, a third sliding block 704 is slidingly arranged in the third rail 701, a third lead screw 703 is rotatably arranged in the third rail 701, the end of the third lead screw 703 is driven to rotate by a third driving motor 702 fixedly arranged in the inner side of one end of the third rail 701, a third threaded hole is throughly formed in the third sliding block 704 and connected with the third lead screw 703, and the laser engraving head 8 is arranged on the third sliding block 704. The output end of the digital display control panel 12 is electrically connected to the input end of the second driving motor 602.

[0058] Working principle:

[0059] Firstly, the first transmission assembly 10 transmits and moves the workpiece clamping seat plate structure 9 to a position below the positioning and lifting structure 3, which is detected and positioned by the position detection switch 13, the lifting driving structure 2 drives the positioning and lifting structure 3 to move upward, the positioning and lifting structure 3 is positioned and connected with the workpiece clamping seat plate structure 9 during the upward movement and lifts the workpiece clamping seat plate structure 9, so as to separate from the first transmission assembly 10; the lifting driving structure 2 drives the positioning and lifting structure 3 to continue to move upward, the workpiece clamping seat plate structure 9 passes through the second transmission assembly 11 and moves to the position of the clamping and positioning rotating structure 4, and the clamping and positioning rotating structure 4 is used for positioning and clamping the workpiece clamping seat plate structure 9; the Y-direction linear guide rail 5 drives the clamping and positioning rotating structure 4 to move along the horizontal Y-direction, the Z-direction linear guide rail 6 and the X-direction linear guide rail 7 drive the laser engraving head 8 to move along the horizontal X-direction and the vertical Z-direction, so as to realize three-dimensional engraving and machining of the workpiece 14 on the workpiece clamping seat plate structure 9; wherein the directions of X, Y and Z are shown in the description accompanying drawings. Figure 8The clamping and positioning rotating structure 4 drives the workpiece clamping seat plate structure 9 to flip up and down, so that after the workpieces 14 on one side of the workpiece clamping seat plate structure 9 are engraved, the clamping and positioning rotating structure 4 drives the workpiece clamping seat plate structure 9 to flip to the other side of the workpieces 14 for engraving; after the workpieces 14 clamped on the front and back sides of the workpiece clamping seat plate structure 9 are engraved, the lifting driving structure 2 drives the positioning lifting structure 3 to move upward to the clamping and positioning rotating structure 4 to be positioned and connected with the workpiece clamping seat plate structure 9, the clamping and positioning rotating structure 4 releases the clamping of the workpiece clamping seat plate structure 9, the lifting driving structure 2 drives the positioning lifting structure 3 to drive the workpiece clamping seat plate structure 9 to move downward and rotate horizontally, and the workpiece clamping seat plate structure 9 falls on the second transmission assembly 11 for transmission.

[0060] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A 3D laser engraving device for automotive interior mold decoration lines, characterized by: It comprises a base (1), a first transmission assembly (10), a second transmission assembly (11), a clamping and positioning rotating structure (4), a laser engraving head (8), a workpiece clamping seat plate structure (9) and a digital display control panel (12) arranged from bottom to top, wherein the workpiece clamping seat plate structure (9) can realize positioning and clamping of the workpiece (14) on both sides, and the clamping and positioning rotating structure (4) can realize positioning and clamping and up-down overturning of the workpiece clamping seat plate structure (9); The base (1) is provided with a support (101), the support (101) is provided with a Z-direction linear guide rail (6) for driving the laser engraving head (8) to move linearly in the Z direction and an X-direction linear guide rail (7) for driving the laser engraving head (8) to move linearly in the X direction, and the support (101) is further provided with a Y-direction linear guide rail (5) for driving the clamping and positioning rotating structure (4) to move linearly in the Y direction; A positioning and lifting structure (3) is movably arranged between the first transmission assembly (10), the second transmission assembly (11) and the clamping and positioning rotating structure (4), the positioning and lifting structure (3) is driven to move by a lifting driving structure (2) arranged on the base (1), and the positioning and lifting structure (3) can realize positioning and lifting and horizontal rotation of the workpiece clamping seat plate structure (9); When the positioning and lifting structure (3) drives the workpiece clamping seat plate structure (9) to rotate by a certain angle, the lifting driving structure (2) drives the workpiece clamping seat plate structure (9) to lift and pass through the second transmission assembly (11); When the positioning and lifting structure (3) drives the workpiece clamping seat plate structure (9) to rotate by another angle, the lifting driving structure (2) drives the workpiece clamping seat plate structure (9) to fall on the second transmission assembly (11) to be transmitted; The positioning and lifting structure (3) comprises a first rotating motor (301) fixedly arranged at the top end of the lifting driving structure (2), the output shaft end of the first rotating motor (301) faces upwards and is fixedly connected with a lifting plate (302), the lifting plate (302) has a cuboid shape, supporting columns (303) are fixedly arranged at the four corners of the upper side of the lifting plate (302), a positioning cone (304) with a narrow upper side and a wide lower side is fixedly arranged at the upper end of each supporting column (303), positioning holes (902) corresponding to the positioning cones (304) are formed in the workpiece clamping seat plate structure (9), and the output end of the digital display control panel (12) is electrically connected to the input end of the first rotating motor (301); The workpiece clamping seat plate structure (9) comprises a clamp plate (901) having a cuboid shape, a plurality of clamping holes (904) are arranged on the clamp plate (901) in a rectangular array mode, and clamping blocks (903) for clamping the workpiece (14) are detachably connected to the two sides of the clamp plate (901) through the clamping holes (904).

2. The 3D laser engraving device for decorative pattern of automotive interior mold according to claim 1, characterized in that: The Y-direction linear guide rail (5) comprises two parallel distributed first tracks (501), each of which is slidably provided with a first slider (504), each of which is rotatably provided with a first lead screw (503), and the end of each first lead screw (503) is driven to rotate by a first driving motor (502) fixedly arranged at the end of the corresponding first track (501), and each first slider (504) is provided with a first threaded hole penetratingly arranged therein and connected with the corresponding first lead screw (503), the clamping and positioning rotary structure (4) is arranged between the two first sliders (504), and the output end of the digital control panel (12) is electrically connected to the input end of the first driving motor (502).

3. The 3D laser engraving device for decorative pattern of automotive interior mold in accordance with claim 2, characterized in that: The clamping and positioning rotary structure (4) comprises a clamping frame body (401) in the shape of a cuboid, which is rotatably arranged between the two first sliders (504), and one of the first sliders (504) is fixedly provided with a second rotary motor (402) for driving the clamping frame body (401) to flip up and down, the clamping frame body (401) is provided with clamping frame rods (406) at both ends along its length direction, and the outer side of the clamping frame body (401) is provided with a first cylinder (403) for driving the adjustment of the distance between the two clamping frame rods (406), the clamping frame body (401) is provided with a first sliding groove (405) for sliding the clamping frame rod (406), the first cylinder (403) is a double shaft push rod cylinder, and the two clamping frame rods (406) are provided with clamping grooves (408) on the opposite sides, and the inner end face of each clamping groove (408) is provided with a clamping pad (409), and the output end of the digital control panel (12) is respectively electrically connected to the input end of the second rotary motor (402) and the first cylinder (403).

4. The 3D laser engraving device for decorative pattern of automotive interior mold in accordance with claim 3, characterized in that: The two ends of each clamping frame rod (406) are provided with second sliding grooves (407) in communication with the clamping grooves (408), each second sliding groove (407) is slidably provided with a push block (410), and a second cylinder (404) is arranged between the two push blocks (410) for adjusting the distance therebetween, the second cylinder (404) is a double shaft cylinder push rod, and the second cylinder (404) is fixedly arranged on the clamping frame rod (406), and the output end of the digital control panel (12) is electrically connected to the input end of the second cylinder (404).

5. The 3D laser engraving device for decorative pattern of automotive interior mold in accordance with claim 1, characterized in that: The first transmission component (10) comprises two parallel distributed first transmission supports (1001) fixedly arranged on the support (101), and each of the two first transmission supports (1001) is provided with a first edge transmission belt (1002) arranged in synchronization, and the two first edge transmission belts (1002) are used to realize the supporting transmission of the two side edges of the fixture plate (901) along the width direction.

6. The 3D laser engraving device for decorative pattern of automotive interior mold in accordance with claim 1, wherein: The Z-direction linear guide rail (6) comprises two parallel distributed second rails (601), the lower ends of the two second rails (601) are fixedly arranged at the upper middle positions of the two first rails (501), each second rail (601) is slidably provided with a second sliding block (604), and each second rail (601) is rotatably provided with a second lead screw (603), the end of each second lead screw (603) is driven to rotate by a second driving motor (602) fixedly arranged at the end of the corresponding second rail (601), and the second sliding block (604) is provided with a second threaded hole penetratingly arranged therein and matched with the corresponding second lead screw (603), the X-direction linear guide rail (7) is arranged between the two second sliding blocks (604), and the output end of the digital display control panel (12) is electrically connected to the input end of the second driving motor (602).

7. The 3D laser engraving device for automotive interior mold decoration lines according to claim 6, characterized in that: The X-direction linear guide rail (7) comprises a third rail (701) fixedly arranged at the two ends of the two second sliding blocks (604), the third rail (701) is slidably provided with a third sliding block (704), and the third rail (701) is rotatably provided with a third lead screw (703), the end of the third lead screw (703) is driven to rotate by a third driving motor (702) fixedly arranged at the inner side of one end of the third rail (701), the third sliding block (704) is provided with a third threaded hole penetratingly arranged therein and matched with the third lead screw (703), and the laser engraving head (8) is arranged on the third sliding block (704), and the output end of the digital display control panel (12) is electrically connected to the input end of the second driving motor (602).

8. A method of using the 3D laser engraving device for automotive interior mold decorative pattern, using the 3D laser engraving device for automotive interior mold decorative pattern according to any one of claims 1-7, characterized in that: The method comprises the following steps: S1: first, the first transmission component (10) moves the workpiece clamping seat plate structure (9) to a position below the positioning lifting structure (3), the lifting driving structure (2) drives the positioning lifting structure (3) to move upward, and the positioning lifting structure (3) is connected with the workpiece clamping seat plate structure (9) during upward movement and lifts the workpiece clamping seat plate structure (9) to separate from the first transmission component (10); S2: The lifting driving structure (2) drives the positioning lifting structure (3) to continue moving upward, the workpiece clamping seat plate structure (9) passes through the second transmission assembly (11) and moves to the position of the clamping positioning rotating structure (4), and the clamping positioning rotating structure (4) is used for positioning and clamping the workpiece clamping seat plate structure (9); S3: The Y linear guide rail (5) drives the clamping positioning rotating structure (4) to move horizontally along the Y direction, the Z linear guide rail (6) and the X linear guide rail (7) drive the laser engraving head (8) to move horizontally along the X direction and vertically along the Z direction, so that three-dimensional engraving processing is realized on the workpiece (14) on the workpiece clamping seat plate structure (9); S4: In the step S3, the clamping positioning rotating structure (4) drives the workpiece clamping seat plate structure (9) to flip up and down, so that after the workpiece (14) on one side of the workpiece clamping seat plate structure (9) is engraved, the clamping positioning rotating structure (4) drives the workpiece clamping seat plate structure (9) to flip to the other side of the workpiece (14) for engraving; S5: In the step S4, after the workpieces (14) clamped on the front and back of the workpiece clamping seat plate structure (9) are all engraved, the lifting driving structure (2) drives the positioning lifting structure (3) to move upward to the position of the clamping positioning rotating structure (4) and be connected with the workpiece clamping seat plate structure (9), the clamping positioning rotating structure (4) releases the clamping of the workpiece clamping seat plate structure (9), the lifting driving structure (2) drives the positioning lifting structure (3) to drive the workpiece clamping seat plate structure (9) to move downward and rotate horizontally, and the workpiece clamping seat plate structure (9) falls on the second transmission assembly (11) for transmission.

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