Filter laser welding device

Abstract

The invention relates to the technical field of filter laser welding, in particular to a filter laser welding device which comprises a carrying frame, an annular conveying belt, a positioning assembly and a jacking assembly, during welding, a jacking air cylinder is used for controlling the jacking frame to jack the carrying frame till a filter screen or an upper shell on the carrying frame abuts against an installation protruding block on a glass pressing block, and the annular conveying belt is used for conveying the filter screen or the upper shell to the glass pressing block; and then the laser welding machine is moved to be aligned with the mounting convex block through the moving module, and welding is carried out along the periphery of the mounting convex block. Compared with the prior art, according to the technical scheme provided by the invention, the mounting convex block is matched with the jacking air cylinder, and each component part of the filter is propped in the laser welding process, so that each component part of the filter is not easy to deviate in the welding process, and the laser welding effect is improved. And meanwhile, the glass pressing block cannot influence light beams emitted by the laser welding machine, laser welding is further facilitated, and the laser welding effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding of filters, and particularly relates to a laser welding device for filters. Background Art

[0002] A filter is a component that filters impurities or gases through a filter paper. Generally, it refers to an automotive filter, which is a component of an engine. A filter generally consists of an upper housing, a lower housing, and an internal filter screen. To ensure the structural compactness and firmness, the filter screen and the housing need to be welded and fixed by laser welding.

[0003] In the prior art, during laser welding, the filter screen and the housing are usually directly welded by a laser welding machine. However, when welding, the components of the filter are only placed together without positioning, and it is easy to shift during the laser welding process, affecting the laser welding effect. Summary of the Invention

[0004] The technical solution adopted by the present invention to solve its technical problems is: to provide a laser welding device for filters, including:

[0005] A carrier for placing the filter;

[0006] A conveying component, which includes an endless conveyor belt and a driving motor for driving the endless conveyor belt to move. The carrier is arranged on the endless conveyor belt. Detection sensors, a feeding component, and a welding component are arranged on the circumference of the endless conveyor belt. The detection sensors are used to detect the filter screen, the feeding component is used to load the upper housing onto the carrier, and the welding component is used to weld the filter screen and the lower housing, as well as the lower housing and the upper housing;

[0007] A welding component, which includes a mounting frame arranged above the endless conveyor belt, a laser welding machine slidably arranged on the mounting frame, and a moving module arranged on the mounting frame. The welding head of the laser welding machine faces the carrier. Two fixing frames are arranged on the mounting frame, and welding holes for the laser to pass through are arranged on the fixing frames. The two fixing frames respectively correspond to welding the filter screen and the lower housing, as well as the lower housing and the upper housing. The output end of the moving module is connected to the laser welding machine, and the moving module is used to drive the laser welding machine to move on the mounting frame;

[0008] A positioning component corresponding to the fixing frame. The positioning component includes a glass pressing block arranged below the laser welding machine and a support frame for carrying the glass pressing block. The support frame is arranged on the fixing frame. The glass pressing block includes a main board installed on the support frame and a mounting convex block corresponding to the welding position. During welding, the welding head of the laser welding machine welds along the periphery of the mounting convex block;

[0009] Lifting assembly, the lifting assembly corresponds to the fixed frame, the lifting assembly includes a lifting cylinder, a lifting frame disposed at the output end of the lifting cylinder, and a displacement sensor disposed on the lifting frame. A holding plate is provided on the carrier frame, and the holding plate corresponds to the lifting frame. The lifting cylinder is used to control the lifting frame to lift the filter screen or the upper housing until it abuts against the installation bump, and the displacement sensor is used to detect the moving distance of the carrier frame.

[0010] Further, a positioning hole is provided on the holding plate, the lifting frame includes a lifting plate and a positioning rod disposed on the lifting plate, and the positioning rod corresponds to the positioning hole.

[0011] Further, a slide rail is provided on the fixed frame, and the support frame is slidably disposed on the slide rail.

[0012] Further, a workpiece anti-misalignment component is provided on the fixed frame. The workpiece anti-misalignment component includes a sensor and a moving rod slidably disposed on the fixed frame, and the moving rod corresponds to the support frame. The detection end of the sensor faces the moving rod, and the sensor is used to detect the moving rod. An anti-misalignment hole is provided on the support frame. When the glass pressing block moves along the slide rail to face the laser welding machine, the moving rod is inserted into the anti-misalignment hole.

[0013] Further, a moving groove for the moving rod to pass through is provided on the fixed frame. A first abutting protrusion is provided on the inner wall of the moving groove, and a second abutting protrusion corresponding to the first abutting protrusion is provided on the moving rod. A guiding sleeve adapted to the moving rod is provided on the fixed frame. The guiding sleeve communicates with the moving groove, and one end of the guiding sleeve is located in the moving groove. The end of the guiding sleeve located in the moving groove corresponds to the second abutting protrusion. When the glass pressing block moves to face the laser welding machine, the first abutting protrusion abuts against the second abutting protrusion, and the second abutting protrusion slides between the first abutting protrusion and the guiding sleeve.

[0014] Further, it further includes a in-place limit assembly. There are multiple groups of the in-place limit assemblies. The in-place limit assembly includes a telescopic cylinder and a positioning block disposed at the output end of the telescopic cylinder. A positioning groove is provided on the positioning block. A placing plate for placing the carrier frame is provided on the annular conveyor belt. A positioning column is provided on the placing plate. The positioning groove is adapted to the positioning column, and the telescopic cylinder is used to control the positioning column to be inserted into the positioning groove.

[0015] Further, it further includes a feeding component for conveying the upper shell. The feeding component includes an XY moving module, a suction head disposed at the output end of the XY moving module, and a conveying module for conveying the upper shell. The XY moving module is used to control the suction head to transfer the upper shell onto the carrier. A carrier plate for placing the upper shell is provided on the conveying module.

[0016] Further, a plurality of positioning pins are provided on the carrier. The positioning pins abut against the peripheral side of the filter, and the positioning pins are used to limit the upper shell.

[0017] Further, a limiting rod and a mounting groove adapted to the lower shell are provided on the carrier. A sliding groove for the limiting rod to slide is provided on the carrier. The sliding groove communicates with the mounting groove. The limiting rod slides to be located above the lower shell, and the limiting rod is used to limit the lower shell.

[0018] Further, a limiting groove is provided in the sliding groove, and a limiting protrusion adapted to the limiting groove is provided on the limiting rod. The limiting protrusion is slidably disposed in the limiting groove.

[0019] The beneficial effects of the present invention are as follows: A laser welding device for a filter is provided, which includes a carrier, an annular conveyor belt, a positioning component, and a jacking component. Detection sensors, a feeding component, and a welding component are provided on the peripheral side of the annular conveyor belt. The positioning component includes a glass pressing block disposed below the laser welding machine and a support frame for carrying the glass pressing block. The glass pressing block includes a main board mounted on the support frame and a mounting convex block corresponding to the welding position. During welding, the jacking cylinder is used to control the jacking frame to jack up the carrier until the filter screen or the upper shell on the carrier abuts against the mounting convex block on the glass pressing block, and then the laser welding machine is moved by the moving module to be aligned with the mounting convex block and welded along the periphery of the mounting convex block. Compared with the prior art, the technical solution provided by the present invention cooperates the mounting convex block with the jacking cylinder to abut against each component of the filter during the laser welding process, so that each component of the filter is not easily displaced during welding, thereby improving the laser welding effect. At the same time, the glass pressing block does not affect the light beam emitted by the laser welding machine, further facilitating laser welding and improving the laser welding effect. Description of the Drawings

[0020] The present invention will be further described below with reference to the drawings and embodiments.

[0021] In the figure: Figure 1 is an overall structure diagram of a laser welding device for a filter provided by an embodiment of the present invention;

[0022] Figure 2 is Figure 1 an enlarged view of part A in

[0023] Figure 3 is Figure 1 The enlarged view of part B in

[0024] Figure 4 is Figure 1 The overall structure diagram of another perspective of the filter laser welding device shown in

[0025] Figure 5 is Figure 1 The three-dimensional structure diagram of part of the structure in

[0026] Figure 6 is Figure 5 The sectional view of the structure shown in

[0027] Figure 7 is Figure 6 The enlarged view of part C in

[0028] Figure 8 is Figure 1 The three-dimensional structure diagram of part of the structure in

[0029] Figure 9 is Figure 8 The three-dimensional structure diagram of another perspective of the structure shown in

[0030] Figure 10 is Figure 8 The sectional view of the structure shown in

[0031] Explanation of reference numerals: 100, filter laser welding device; 10, carrier; 11, positioning pin; 12, limiting rod; 121, limiting protrusion; 13, mounting groove; 131, cavity one; 132, cavity two; 14, sliding groove; 141, limiting groove; 15, supporting plate; 151, positioning hole; 21, endless conveyor belt; 211, placement plate; 2111, positioning column; 22, driving motor; 30, mounting frame; 31, fixing frame; 311, moving module; 312, slide rail; 3131, sensor; 3132, moving rod; 3133, supporting protrusion two; 314, moving groove; 3141, supporting protrusion one; 315, guide sleeve; 316, welding hole; 32, laser welding machine; 321, welding head; 40, positioning assembly; 41, glass pressure block; 411, main board; 412, mounting bump; 42, support frame; 421, anti-mistake hole; 50, lifting assembly; 51, lifting cylinder; 52, lifting frame; 521, lifting plate; 522, positioning rod; 53, displacement sensor; 60, in-place limit assembly; 61, telescopic cylinder; 62, positioning block; 621, positioning groove; 70, frame; 71, detection rod; 80, detection sensor; 90, feeding assembly; 91, XY moving module; 92, adsorption head; 93, conveying module; 931, carrier plate; 200, filter; 201, lower shell; 2011, round tube; 202, filter; 203, upper shell. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is now described in detail in conjunction with the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basics of the present invention in an illustrative manner, so it only shows the composition related to the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] Please refer to Figures 1-10 An embodiment of the present invention provides a filter laser welding device 100, including a carrier 10, a conveying component, a positioning component 40, a lifting component 50, and a plurality of in-place limiter components 60 arranged on an annular conveyor belt 21 and a frame 70 for carrying the above-mentioned components.

[0034] The width direction of the frame 70 in the figure is taken as the X-axis direction, and the thickness direction of the frame 70 is taken as the Y-axis direction.

[0035] The carrier 10 is used to place the filter 200. A number of positioning pins 11 are provided on the carrier 10. The positioning pins 11 abut against the peripheral side of the filter 200, and the positioning pins 11 are used to limit the upper housing 203. A limiting rod 12 and a mounting groove 13 adapted to the lower housing 201 are provided on the carrier 10. A sliding groove 14 for the limiting rod 12 to slide is provided on the carrier 10. The sliding groove 14 communicates with the mounting groove 13. When the limiting rod 12 slides to be located above the lower housing 201, the limiting rod 12 is used to limit the lower housing 201. The sliding groove 14 is provided with a limiting groove 141, and the limiting rod 12 is provided with a limiting protrusion 121 adapted to the limiting groove 141. The limiting protrusion 121 is slidably arranged in the limiting groove 141. The arrangement of the limiting protrusion 121 and the limiting groove 141 can prevent the limiting rod 12 from disengaging from the sliding groove 14. Specifically, in this embodiment, the mounting groove 13 includes a cavity one 131 provided in the middle of the carrier 10 and a cavity two 132 near the side wall of the carrier 10. A circular tube 2011 is provided on the side wall of the lower housing 201. The cavity two 132 is adapted to the circular tube 2011. The cavity two 132 communicates with the sliding groove 14 and the sliding groove 14 is located above the cavity two 132. After the main body of the lower housing 201, the filter screen 202 and the upper housing 203 are sequentially placed in the cavity one 131, the circular tube 2011 on the lower housing 201 slides the limiting rod 12 to be located above the circular tube 2011 to limit the circular tube 2011. When the lower housing 201 needs to be taken out, the limiting rod 12 is slid to expose the cavity two 132, and then the lower housing 201 can be taken out.

[0036] The conveying assembly includes an endless conveyor belt 21 and a driving motor 22 for driving the endless conveyor belt 21 to move. The carrier 10 is arranged on the endless conveyor belt 21. A detection sensor 80, a feeding assembly 90 and a welding assembly are provided on the peripheral side of the endless conveyor belt 21. The detection sensor 80 is used to detect the filter screen 202. The feeding assembly 90 is used to load the upper housing 203 onto the carrier 10. The welding assembly is used to weld the filter screen 202 and the lower housing 201 and the filter screen 202 and the upper housing 203. Specifically, the detection sensor 80 is a photoelectric sensor.

[0037] The in-place limit component 60 includes a telescopic cylinder 61 and a positioning block 62 provided at the output end of the telescopic cylinder 61. A positioning groove 621 is provided on the positioning block 62. A placement plate 211 for placing the carrier 10 is provided on the annular conveyor belt 21. A positioning post 2111 is provided on the placement plate 211. The positioning groove 621 and the positioning post 2111 are adapted to each other. The telescopic cylinder 61 is used to control the positioning post 2111 to be inserted into the positioning groove 621. Specifically, the in-place limit component 60 corresponds to the placement plate 211, and the number of carriers 10 on the annular conveyor belt 21 is less than the number of placement plates 211. Specifically, a carrier 10 is placed every other placement plate 211. The interval distance between adjacent placement plates 211 and the running speed of the annular conveyor belt 21 are adapted to the time for the filter 200 to be lifted for welding, so as to ensure that when welding, the carrier 10 on the previous placement plate 211 can be lifted by the lifting component 50 for welding and then placed on the next placement plate 211. The annular conveyor belt 21 does not need to pause during operation due to welding, thereby improving the operating efficiency of the filter laser welding device 100.

[0038] The welding component includes a mounting frame 30 provided above the annular conveyor belt 21, a laser welding machine 32 provided on the mounting frame 30, and a moving module 311 provided on the mounting frame 30. The welding head 321 of the laser welding machine 32 is arranged towards the carrier 10. Two fixing frames 31 are provided on the mounting frame 30. Welding holes 316 for the laser to pass through are provided on the fixing frames 31. The two fixing frames 31 respectively correspond to welding the filter screen 202 and the lower housing 201, and the filter screen 202 and the upper housing 203. The output end of the moving module 311 is connected to the laser welding machine 32. The moving module 311 is used to drive the laser welding machine 32 to move on the mounting frame 30. Specifically, in this embodiment, the laser welding machine 32 is a galvanometer scanning laser welding machine 32, and the moving module 311 is a lead screw transmission mechanism. The moving module 311 is arranged along the length direction of the frame 70.

[0039] The positioning component 40 corresponds to the fixing frame 31. The positioning component 40 includes a glass pressing block 41 provided below the laser welding machine 32 and a support frame 42 for carrying the glass pressing block 41. The support frame 42 is slidably arranged on the fixing frame 31. The glass pressing block 41 includes a main board 411 mounted on the support frame 42 and a mounting convex block 412 corresponding to the welding position. During welding, the welding head 321 of the laser welding machine 32 welds along the periphery of the mounting convex block. Further, the shapes of the two mounting convex blocks 412 in this embodiment respectively correspond to the filter screen 202 and the upper housing 203.

[0040] The lifting assembly 50 corresponds to the fixed frame 31. The lifting assembly 50 includes a lifting cylinder 51, a lifting frame 52 disposed at the output end of the lifting cylinder 51, and a displacement sensor 53 disposed on the lifting frame 52. A resisting plate 15 is provided on the carrier frame 10, and the resisting plate 15 corresponds to the lifting frame 52. The lifting cylinder 51 is used to control the lifting frame 52 to lift the carrier frame 10 until it abuts against the glass pressing block 41. The displacement sensor 53 is used to detect the moving distance of the carrier frame 10. Specifically, the displacement sensor 53 is a contact displacement sensor. The lifting cylinder 51 is fixedly disposed at the bottom of the machine frame 70. A round hole (not labeled in the figure) for the positioning rod 522 to pass through and a detection rod 71 corresponding to the displacement sensor 53 are provided on the machine frame 70. The detection end of the displacement sensor 53 faces the detection rod 71. When the lifting cylinder 51 controls the lifting frame 52 to lift the carrier frame 10 until it abuts against the glass pressing block 41, the displacement sensor 53 obtains the moving distance of the carrier frame 10 by detecting the distance from the detection rod 71 to the displacement sensor 53 and determines whether the carrier frame 10 abuts against the mounting bump 412, so as to judge whether the distance from the welding head 321 to the welding position is reasonable, thereby improving the welding accuracy.

[0041] Further, a positioning hole 151 is provided on the resisting plate 15. The lifting frame 52 includes a lifting plate 521 and a positioning rod 522 disposed on the lifting plate 521. The positioning rod 522 corresponds to the positioning hole 151, which is convenient for the lifting plate 521 to lift the carrier frame 10 accurately when lifting.

[0042] Further, the resisting plate 15 is located at the bottom end of the carrier frame 10, and the size of the resisting plate 15 is larger than the size of the placing plate 211, so as to facilitate the positioning rod 522 to align with the positioning hole 151 on the carrier frame 10.

[0043] Before welding, first place the lower housing 201 and the filter screen 202 on the carrier frame 10 in sequence. Then, detect whether the filter screen 202 is placed in the lower housing 201 through the detection sensor 80. If it is detected that the filter screen 202 does not exist, the annular conveyor belt 21 needs to be stopped and the filter screen 202 needs to be replenished. If it is detected that the filter screen 202 exists, the annular conveyor belt 21 runs normally. The carrier frame 10 moves to the position below the first welding head 321. The lifting cylinder 51 drives the lifting frame 52 to align with the carrier frame 10 and lifts the carrier frame 10 away from the placing plate 211 until the middle of the filter screen 202 abuts against the mounting bump 412. The welding head 321 passes through the glass pressing block 41 and welds along the periphery of the mounting bump 412, thereby welding the filter screen 202 and the lower housing 201. Then, the upper housing 203 is loaded onto the lower housing 201 through the feeding assembly 90. Next, the carrier frame 10 is moved to the position below the second welding head 321 through the annular conveyor belt 21, and the carrier frame 10 is lifted by the corresponding lifting cylinder 51 for the second welding, that is, welding the upper housing 203 and the lower housing 201.

[0044] During welding, the lifting frame 52 is controlled by the lifting cylinder 51 to lift the carrier 10 until the filter screen 202 or the upper housing 203 on the carrier 10 abuts against the mounting bump 412 on the glass pressing block 41. Then, the laser welding machine 32 is moved by the moving module 311 to align with the mounting bump 412 and perform welding along the periphery of the mounting bump 412. Compared with the prior art, the technical solution provided by the present invention cooperates the mounting bump 412 with the lifting cylinder 51 to abut against the components of the filter 200 during the laser welding process, so that the components of the filter 200 are not easily displaced during welding, thereby improving the laser welding effect. At the same time, the glass pressing block 41 does not affect the light beam emitted by the laser welding machine 32, further facilitating laser welding and improving the laser welding effect.

[0045] A slide rail 312 is provided on the fixing frame 31, and the support frame 42 is slidably arranged on the slide rail 312. Specifically, in this embodiment, the slide rail 312 is arranged along the X-axis direction.

[0046] A workpiece anti-misalignment component is provided on the fixing frame 31. The workpiece anti-misalignment component includes a sensor 3131 and a moving rod 3132 slidably arranged on the fixing frame 31. The moving rod 3132 corresponds to the support frame 42. The detection end of the sensor 3131 faces the moving rod 3132. The sensor 3131 is used to detect the moving rod 3132. An anti-misalignment hole 421 is provided on the support frame 42. When the support frame 42 drives the glass pressing block 41 to slide along the slide rail 312 to be opposite to the welding head 321 of the laser welding machine 32, the moving rod 3132 is inserted into the anti-misalignment hole 421, and the sensor 3131 cannot detect the existence of the moving rod 3132, that is, the glass pressing block 41 has corresponded to the welding head 321. If the sensor 3131 detects the existence of the moving rod 3132, it means that the glass pressing block 41 has not moved to the position corresponding to the welding head 321.

[0047] Through the arrangement of the moving rod 3132 and the anti-misalignment hole 421, the position of the glass pressing block 41 is detected, so that the glass pressing block 41 corresponds to the welding head 321, improving the welding precision. At the same time, the support frame 42 is slidably arranged on the slide rail 312, so that the glass pressing block 41 is detachable relative to the fixing frame 31, thereby facilitating the replacement of the glass pressing block 41 adapted to different specifications of the filter screen 202.

[0048] The fixing frame 31 is provided with a moving groove 314 for the moving rod 3132 to pass through. The inner wall of the moving groove 314 is provided with a first abutting protrusion 3141. The moving rod 3132 is provided with a second abutting protrusion 3133 corresponding to the first abutting protrusion 3141. The fixing frame 31 is provided with a guiding sleeve 315 adapted to the moving rod 3132. The guiding sleeve 315 communicates with the moving groove 314, and one end of the guiding sleeve 315 is located in the moving groove 314. The end of the guiding sleeve 315 located in the moving groove 314 corresponds to the second abutting protrusion 3133. When the glass pressing block 41 moves to face the laser welding machine 32, the first abutting protrusion 3141 abuts against the second abutting protrusion 3133, and the second abutting protrusion 3133 slides between the first abutting protrusion 3141 and the guiding sleeve 315. The first abutting protrusion 3141 and the guiding sleeve 315 cooperate to limit the moving range of the moving rod 3132, so that the moving rod 3132 is not easily separated from the fixing frame 31.

[0049] The loading assembly 90 includes an XY moving module 91, a suction head 92 provided at the output end of the XY moving module 91, and a conveying module 93 for conveying the upper housing 203. The XY moving module 91 is disposed between the two fixing frames 31. The conveying module 93 is located on one side of the annular conveyor belt 21. The XY moving module 91 is used to control the suction head 92 to transfer the upper housing 203 to the carrier 10. The conveying module 93 is provided with a carrier plate 931 for placing the upper housing 203. Specifically, in this embodiment, the XY moving module 91 includes two lead screw drive mechanisms respectively arranged along the X-axis direction and the Y-axis direction. The conveying module 93 is a lead screw drive mechanism, and the conveying module 93 is arranged along the length direction of the machine frame 70.

Claims

1. A filter laser welding device, characterized in that: include: A carrier, the carrier being used for placing the filter; A conveying assembly, the conveying assembly includes an endless conveyor belt and a driving motor for driving the endless conveyor belt to move, the carrier is arranged on the endless conveyor belt, and a detection sensor, a feeding assembly and a welding assembly are arranged on the peripheral side of the endless conveyor belt, the detection sensor is used to detect the filter screen, the feeding assembly is used to load the upper shell onto the carrier, and the welding assembly is used to weld the filter screen and the lower shell as well as the lower shell and the upper shell; A welding assembly, the welding assembly comprises a mounting frame arranged above the endless conveyor belt, a laser welding machine slidably arranged on the mounting frame, and a moving module arranged on the mounting frame, the welding head of the laser welding machine is arranged toward the carrier, the mounting frame is provided with two fixed frames, the fixed frames are provided with welding holes for laser passing, the two fixed frames correspond to the welding filter and the lower shell and the lower shell and the upper shell respectively, the output end of the moving module is connected to the laser welding machine, and the moving module is used to drive the laser welding machine to move on the mounting frame; A positioning component, the positioning component corresponds to the fixed frame, the positioning component includes a glass block arranged below the laser welding machine and a support frame for carrying the glass block, the support frame is arranged on the fixed frame, the glass block includes a main board installed on the support frame and a mounting protrusion corresponding to the welding position, during welding, the welding head of the laser welding machine welds along the periphery of the mounting protrusion; a lifting component, the lifting component corresponds to the fixed frame, the lifting component includes a lifting cylinder, a lifting frame arranged at the output end of the lifting cylinder and a displacement sensor arranged on the lifting frame, a supporting plate is provided on the carrier, the supporting plate corresponds to the lifting frame, the lifting cylinder is used to control the lifting frame to lift the filter or the upper shell to abut against the mounting protrusion, and the displacement sensor is used to detect the moving distance of the carrier.

2. The filter laser welding device according to claim 1, characterized in that: The supporting plate is provided with a positioning hole, and the lifting frame comprises a lifting plate and a positioning rod arranged on the lifting plate, and the positioning rod corresponds to the positioning hole.

3. The filter laser welding device according to claim 1, characterized in that: The fixing frame is provided with a slide rail, and the supporting frame is slidably arranged on the slide rail.

4. The filter laser welding device according to claim 1, characterized in that: The fixed frame is provided with a workpiece error prevention component, and the workpiece error prevention component includes a sensor and a moving rod slidably arranged on the fixed frame, and the moving rod corresponds to the support frame, and the detection end of the sensor is arranged toward the moving rod, and the sensor is used to detect the moving rod. The support frame is provided with an error prevention hole, and when the glass pressing block moves along the slide rail to be opposite to the laser welding machine, the moving rod is inserted into the error prevention hole.

5. The filter laser welding device according to claim 4, characterized in that: The fixed frame is provided with a moving groove for the moving rod to pass through, the inner wall of the moving groove is provided with a supporting protrusion 1, the moving rod is provided with a supporting protrusion 2 corresponding to the supporting protrusion 1, the fixed frame is provided with a guide sleeve adapted to the moving rod, the guide sleeve is connected to the moving groove, and one end of the guide sleeve is located in the moving groove, and one end of the guide sleeve located in the moving groove corresponds to the supporting protrusion 2, when the glass pressing block moves to be opposite to the laser welding machine, the supporting protrusion 1 and the supporting protrusion 2 are supported, and the supporting protrusion 2 slides between the supporting protrusion 1 and the guide sleeve.

6. The filter laser welding device according to claim 1, characterized in that: It also includes an in-place limit assembly, which is provided with multiple groups. The in-place limit assembly includes a telescopic cylinder and a positioning block arranged at the output end of the telescopic cylinder, the positioning block is provided with a positioning groove, the endless conveyor belt is provided with a placement plate for placing the carrier, the placement plate is provided with a positioning column, the positioning groove and the positioning column are adapted to each other, and the telescopic cylinder is used to control the positioning column to be stuck in the positioning groove.

7. The filter laser welding device according to claim 1, characterized in that: It also includes a loading component for conveying the upper shell, the loading component includes an XY moving module and an adsorption head arranged at the output end of the XY moving module, and a conveying module for conveying the upper shell, the XY moving module is used to control the adsorption head to move the upper shell to the carrier, and the conveying module is provided with a carrier plate for placing the upper shell.

8. The filter laser welding device according to claim 1, characterized in that: The carrier is provided with a plurality of positioning pins, the positioning pins and the peripheral sides of the filter are abutted against each other, and the positioning pins are used to limit the upper shell.

9. The filter laser welding device according to claim 1, characterized in that: The carrier is provided with a limit rod and a mounting groove adapted to the lower shell, the carrier is provided with a sliding groove for the limit rod to slide, the sliding groove is connected to the mounting groove, the limit rod slides to be located above the lower shell, and the limit rod is used to limit the lower shell.

10. The filter laser welding device according to claim 9, characterized in that: The sliding groove is provided with a limiting groove, the limiting rod is provided with a limiting protrusion matched with the limiting groove, and the limiting protrusion is slidably arranged in the limiting groove.

Images