Sensor pin composite welding device

Abstract

The invention relates to the technical field of automobile pressure sensor assembly, in particular to a sensor pin composite welding device which comprises a workbench, a conveying line transversely installed at the top end of the workbench and a supporting plate transversely installed on the table top of the workbench, and the supporting plate is arranged on the front side of the conveying line in parallel. The machine further comprises jigs, an electric resistance welding mechanism, a laser welding mechanism and a positioning mechanism, the multiple jigs are driven by the conveying line to do annular motion, and the jigs are supported by the supporting plate when moving to the position above the workbench. The resistance welding mechanism is installed at the top end of the workbench and arranged in the middle of the conveying line. The laser welding mechanism is installed on the table top of the workbench and arranged at the right end of the conveying line. The positioning mechanism is transversely installed on the conveying line and used for positioning the jig on the supporting plate. The welding device is simple in structural design and firm in welding, and the welding quality consistency can be guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of automobile pressure sensor assembly, and in particular to a sensor pin composite welding device. Background Art

[0002] The assembly process of automotive pressure sensors involves the welding process of NTC pins and terminals. At present, resistance welding is usually used, which uses the resistance heat generated by the current passing through the weldment and the contact as a heat source to locally heat the weldment, and pressurizes the weldment for welding. Although resistance welding does not require filler metal (welding wire, welding rod) and welding materials (oxygen, acetylene, hydrogen), the welding cost is low, but it lacks reliable non-destructive testing methods, the welding effect is not easy to detect, the welding is not strong enough, and the consistency of welding quality cannot be guaranteed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a sensor pin composite welding device with a simple structural design, firm welding and guaranteed welding quality consistency.

[0004] The technical solution adopted by the present invention to solve the technical problem is: a sensor pin composite welding device, including a workbench, a conveyor line installed horizontally on the top of the workbench and a support plate installed horizontally on the workbench surface, wherein the support plate is arranged parallel to the front side of the conveyor line, and further includes:

[0005] Several jigs are driven by conveyor lines to make circular motions, and when the jigs are moved above the workbench, they are supported by support plates;

[0006] The resistance welding mechanism is installed on the top of the workbench and is set in the middle of the conveyor line;

[0007] The laser welding mechanism is installed on the table top of the workbench and is set at the right end of the conveyor line;

[0008] and a positioning mechanism, which is horizontally installed on the conveyor line and is used to position the jig on the support plate.

[0009] Furthermore, the fixture includes a mounting seat, a base plate, a connecting pin, a spring and a base. The mounting seat is vertically arranged and driven by a conveyor line. The rear end of the base plate overlaps the top end of the mounting seat. The connecting pin passes through a step hole opened in the middle of the rear end of the base plate, and its bottom end is connected to the top end of the mounting seat. The spring is sleeved on the connecting pin, and the bottom end of the spring conflicts with the step in the step hole, and the top end of the spring conflicts with the pin cap of the connecting pin. The base is installed on the front end top surface of the base plate, a terminal groove is opened at the rear of the top end of the base, and a sensor groove is opened at the front of the top end. A first avoidance hole is opened in the middle of the base, and a second avoidance hole connected to the first avoidance hole is opened at the front end of the base plate.

[0010] Furthermore, the resistance welding mechanism includes a frame, a clamping assembly and a resistance welding assembly, the frame is installed on the top of the workbench, the conveyor line and the support plate pass through the frame, the clamping assembly is installed on the front side of the support plate, and the resistance welding assembly is distributed at the top and bottom of the frame.

[0011] Furthermore, the clamping assembly includes a clamping cylinder and a clamping plate, the clamping cylinder is vertically installed on the front side of the support plate, and its driving end is connected to the front end of the clamping plate, the rear end of the clamping plate extends to the top of the fixture, and an avoidance opening is opened at the bottom of its rear end.

[0012] Furthermore, the resistance welding assembly includes a side plate, a lifting plate, a roller, a slope block, a lower electrode head, a lifting cylinder, a motion group, a voltage regulating module and an upper electrode head, the side plate is installed at the bottom end of the frame, the lifting plate is slidably installed on the right side of the side plate, the roller is installed at the bottom end of the lifting plate, the slope block is slidably installed at the bottom end of the frame, and its slope surface contacts the roller, the lower electrode head is vertically installed at the top end of the lifting plate, the lifting cylinder is longitudinally installed at the bottom end of the frame, and its driving end is connected to the slope block, a third avoidance hole corresponding to the lower electrode head is opened on the support plate, the motion group is installed in the middle of the top end of the frame, and its driving end is connected to the voltage regulating module, and the upper electrode head is vertically installed on the voltage regulating module.

[0013] Furthermore, the motion group includes an angle plate, a vertical slide, a transverse slide, a vertical cylinder and a transverse cylinder. The angle plate is installed at the top of the frame, and its bottom end extends into the frame. The vertical slide is slidably installed on the front side of the angle plate. The vertical cylinder is vertically installed on the top of the angle plate, and its driving end passes through the through hole opened in the top of the frame and is connected to the top of the vertical slide. The transverse slide is slidably installed on the front side of the vertical slide. The transverse cylinder is transversely installed on the right end of the vertical slide, and its driving end is connected to the right end of the transverse slide. The voltage regulating module is vertically installed on the front side of the transverse slide.

[0014] Furthermore, the laser welding mechanism includes a gantry, a Z-axis module, a laser group and a light source. The gantry is installed on the table top of the workbench and straddles the conveyor line and the support plate. The Z-axis module is vertically installed in the middle of the top of the gantry, the laser group is installed on the slide of the Z-axis module, and the light source is installed in the middle of the gantry.

[0015] Furthermore, the positioning mechanism includes a rotating shaft, a clamping block, a positioning wheel, a positioning block, a positioning cylinder, a fisheye joint and a connecting block. The rotating shaft is horizontally arranged above the conveyor line and is rotatably connected to the conveyor line. The clamping blocks are composed of several blocks, which are evenly arranged along the axial direction of the rotating shaft. The front end of the clamping block is connected to the positioning wheel, and the rear end thereof is connected to the rotating shaft. The positioning block is installed at the top end of the mounting seat, and a positioning groove is provided in the middle part of the top end of the positioning block. The positioning cylinder is vertically installed on the rear side of the conveyor line, and its driving end is connected to the rod end of the fisheye joint. The rear end of the connecting block is connected to the bearing end of the fisheye joint, and its front end is connected to the rotating shaft.

[0016] Furthermore, buffers are vertically installed at the left and right ends of the support plate, respectively, and transition wheels are installed at the top ends of the buffers. The top surfaces of the left and right ends of the support plate form an eight-shaped shape.

[0017] Furthermore, the conveyor line includes an annular frame, a driving wheel, a driven wheel, a conveyor belt, a conveying motor and an annular guide rail. The annular frame is vertically installed on the top of the workbench, the driving wheel is installed on the left front end of the annular frame, the driven wheel is installed on the right front end of the annular frame, the conveyor belt transmission sleeve is arranged on the driving wheel and the driven wheel, the conveying motor is installed on the annular frame, and its output end is connected to the driving wheel, the annular guide rail is installed on the front side of the annular frame, the mounting seat is connected to the conveyor belt, and is rollingly connected to the annular guide rail.

[0018] The beneficial effects of the present invention are:

[0019] The present invention firstly performs resistance welding on the sensor pin and the terminal flat foot through a resistance welding mechanism, and then performs laser welding on the sensor pin and the terminal flat foot through a laser welding mechanism. The whole process is automated, the welding is firm, and the consistency of welding quality can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 is a schematic diagram of the resistance welding mechanism of the present invention;

[0023] Figure 3 is a schematic diagram of a conveying line in the present invention;

[0024] Figure 4 It is a schematic diagram of the positioning mechanism in the present invention. Figure 1 ;

[0025] Figure 5 It is a schematic diagram of the positioning mechanism in the present invention. Figure 2 ;

[0026] Figure 6 It is a schematic diagram of the jig in the present invention;

[0027] Figure 7 is an exploded view of the jig of the present invention;

[0028] Figure 8 is a schematic diagram of a support plate in the present invention;

[0029] Fig. 9 is a schematic diagram of a compression assembly in the present invention;

[0030] Fig.10 is a schematic diagram of a resistance welding assembly in the present invention;

[0031] Fig.11 It is a schematic diagram of the slope block in the present invention;

[0032] Fig.12 is a schematic diagram of the exercise group in the present invention;

[0033] Fig.13 is a schematic diagram of the laser welding mechanism in the present invention;

[0034] Fig.14 It is a schematic diagram of the Z-direction module in the present invention.

[0035] In the figure: 100, workbench; 200, conveyor line; 210, annular frame; 220, driving wheel; 230, driven wheel; 240, conveyor belt; 250, conveying motor; 260, annular guide rail; 300, support plate; 310, third avoidance hole; 400, fixture; 410, mounting seat; 420, bottom plate; 421, step hole; 422, second avoidance hole; 430, connecting pin; 440, spring; 450, base; 451, terminal slot; 452, sensor slot; 453, first avoidance hole; 500, resistance welding mechanism; 510, frame; 511, through hole; 520, clamping assembly; 521, clamping cylinder; 522, clamping plate; 5221, avoidance; 530, resistance welding assembly; 531 , side plate; 532, lifting plate; 533, roller; 534, slope block; 535, lower electrode head; 536, lifting cylinder; 537, movement group; 5371, angle plate; 5372, vertical slide plate; 5373, horizontal slide plate; 5374, vertical cylinder; 5375, horizontal cylinder; 538, voltage regulating module; 539, upper electrode head; 600, laser welding mechanism; 610, gantry; 620, Z-axis module; 630, laser group; 640, light source; 700, positioning mechanism; 710, rotating shaft; 720, clamping block; 730, positioning wheel; 740, positioning block; 741, positioning groove; 750, positioning cylinder; 760, fisheye joint; 770, connecting block; 800, buffer; 900, transition wheel. DETAILED DESCRIPTION

[0036] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0037] like Figure 1 and Figure 2 As shown, a sensor pin composite welding device includes a workbench 100, a conveyor line 200 installed horizontally on the top of the workbench 100, and a support plate 300 installed horizontally on the table top of the workbench 100, the support plate 300 is arranged parallel to the front side of the conveyor line 200, and also includes a jig 400, a resistance welding mechanism 500, a laser welding mechanism 600 and a positioning mechanism 700. Several jigs 400 are driven to move in a circular motion by the conveyor line 200, and the jigs 400 are supported by the support plate 300 when they move above the workbench 100; the resistance welding mechanism 500 is installed at the top of the workbench 100 and is arranged in the middle of the conveyor line 200; the laser welding mechanism 600 is installed on the table top of the workbench 100 and is arranged at the right end of the conveyor line 200; the positioning mechanism 700 is installed horizontally on the conveyor line 200, and is used for positioning the jig 400 on the support plate 300. The sensor pin and the terminal flat foot are firstly resistance-welded by the resistance welding mechanism 500, and then laser-welded by the laser welding mechanism 600. The whole process is automated, the welding is firm, and the consistency of welding quality can be guaranteed.

[0038] like Figure 2 , Figure 3 , Figure 6 and Figure 7As shown, the fixture 400 includes a mounting seat 410, a base plate 420, a connecting pin 430, a spring 440 and a base 450. The mounting seat 410 is vertically arranged and driven by the conveyor line 200. The rear end of the base plate 420 is overlapped on the top of the mounting seat 410. The connecting pin 430 passes through a step hole 421 opened in the middle of the rear end of the base plate 420, and its bottom end is connected to the top of the mounting seat 410. The spring 440 is sleeved on the connecting pin 430. The bottom end of the spring 440 conflicts with the step in the step hole 421, and the top end conflicts with the pin cap of the connecting pin 430. The base 450 is installed on the front end top surface of the base plate 420. A terminal groove 451 is opened at the rear of the top of the base 450, and a sensor groove 452 is opened at the front of the top. A first avoidance hole 453 is opened in the middle of the base 450, and a second avoidance hole 422 connected to the first avoidance hole 453 is opened at the front end of the base plate 420. By setting the connecting pin 430 and the spring 440, the flexible connection between the mounting base 410 and the bottom plate 420 is realized, so that the bottom plate 420 can be smoothly moved onto the support plate 300. During operation, the terminal is placed in the terminal slot 451, and its flat foot extends into the first avoidance hole 453, and the sensor is placed in the sensor slot 452, and its pin extends into the first avoidance hole 453 and rests on the flat foot of the terminal.

[0039] like Figure 1 and Figure 2 As shown, the resistance welding mechanism 500 includes a frame 510, a clamping assembly 520 and a resistance welding assembly 530. The frame 510 is installed at the top of the workbench 100, the conveyor line 200 and the support plate 300 pass through the frame 510, the clamping assembly 520 is installed on the front side of the support plate 300, and the resistance welding assembly 530 is distributed at the top and bottom of the frame 510. Before the resistance welding assembly 530 performs welding, the clamping assembly 520 positions the sensor pins in the sensor slot 452 to ensure accurate welding.

[0040] like Figure 2 , Figure 6 , Figure 8 and Fig. 9 As shown, the clamping assembly 520 includes a clamping cylinder 521 and a clamping plate 522. The clamping cylinder 521 is vertically installed on the front side of the support plate 300, and its driving end is connected to the front end of the clamping plate 522. The rear end of the clamping plate 522 extends above the fixture 400, and a clearance opening 5221 is provided at the bottom of its rear end. The clamping cylinder 521 drives the clamping plate 522 to descend until the bottom of the rear end of the clamping plate 522 enters the sensor slot 452 and presses the pin of the sensor.

[0041] like Figure 2 , Fig.10 and Fig.11As shown, the resistance welding assembly 530 includes a side plate 531, a lifting plate 532, a roller 533, a slope block 534, a lower electrode head 535, a lifting cylinder 536, a motion group 537, a voltage regulating module 538 and an upper electrode head 539. The side plate 531 is mounted on the bottom end of the frame 510, the lifting plate 532 is slidably mounted on the right side of the side plate 531, the roller 533 is mounted on the bottom end of the lifting plate 532, the slope block 534 is slidably mounted on the bottom end of the frame 510, and its slope The surface of the lower electrode head 535 is in contact with the roller 533, the lower electrode head 535 is vertically installed at the top of the lifting plate 532, the lifting cylinder 536 is longitudinally installed at the bottom of the frame 510, and its driving end is connected to the slope block 534, the support plate 300 is provided with a third avoidance hole 310 corresponding to the lower electrode head 535, the motion group 537 is installed in the middle of the top of the frame 510, and its driving end is connected to the pressure regulating module 538, and the upper electrode head 539 is vertically installed on the pressure regulating module 538. Through the setting of the pressure regulating module 538, the pressure of the upper electrode head 539 during welding is adaptively adjusted to further ensure the welding quality. During resistance welding, the lifting cylinder 536 drives the slope block 534 to move longitudinally, and the roller 533 climbs on the slope of the slope block 534, driving the lifting plate 532 to rise until the top of the lower electrode head 535 passes through the third avoidance hole 310 and the second avoidance hole 422, enters the first avoidance hole 453 and contacts the flat foot of the terminal. At the same time, the motion group 537 drives the upper electrode head 539 to move until the bottom end of the upper electrode head 539 enters the first avoidance hole 453 and contacts the sensor pin, and then welding is performed.

[0042] Specifically, Fig.11 and Fig.12 As shown, the motion group 537 includes an angle plate 5371, a vertical slide plate 5372, a horizontal slide plate 5373, a vertical cylinder 5374 and a horizontal cylinder 5375. The angle plate 5371 is installed at the top of the frame 510, and its bottom end extends into the frame 510. The vertical slide plate 5372 is slidably installed on the front side of the angle plate 5371. The vertical cylinder 5374 is vertically installed on the top of the angle plate 5371, and its driving end passes through the through hole 511 opened at the top of the frame 510 and is connected to the top of the vertical slide plate 5372. The horizontal slide plate 5373 is slidably installed on the front side of the vertical slide plate 5372. The horizontal cylinder 5375 is horizontally installed on the right end of the vertical slide plate 5372, and its driving end is connected to the right end of the horizontal slide plate 5373. The pressure regulating module 538 is vertically installed on the front side of the horizontal slide plate 5373. The pressure regulating module 538 is the prior art.

[0043] like Figure 1 , Figure 2 , Fig.13 and Fig.14As shown, the laser welding mechanism 600 includes a gantry 610, a Z-axis module 620, a laser group 630 and a light source 640. The gantry 610 is installed on the table top of the workbench 100 and straddles the conveyor line 200 and the support plate 300. The Z-axis module 620 is vertically installed in the middle of the top of the gantry 610, the laser group 630 is installed on the slide of the Z-axis module 620, and the light source 640 is installed in the middle of the gantry 610. After resistance welding, the conveyor line 200 transports it to the bottom of the laser welding mechanism 600, and the Z-axis module 620 drives the laser group 630 to rise and fall for laser welding. Specifically, the Z-axis module 620 is a linear module; the laser group 630 adopts the existing technology, which will not be repeated here.

[0044] like Figure 2-Figure 5 As shown, the positioning mechanism 700 includes a rotating shaft 710, a clamping block 720, a positioning wheel 730, a positioning block 740, a positioning cylinder 750, a fisheye joint 760 and a connecting block 770. The rotating shaft 710 is horizontally arranged above the conveyor line 200 and is rotatably connected to the conveyor line 200. The clamping block 720 is composed of several blocks, which are evenly arranged along the axial direction of the rotating shaft 710. The front end of the clamping block 720 is connected to the positioning wheel 730, and the rear end thereof is connected to the rotating shaft 710. The positioning block 740 is installed at the top end of the mounting seat 410. A positioning groove 741 is provided in the middle of the top end of the positioning block 740. The positioning cylinder 750 is vertically installed on the rear side of the conveyor line 200, and its driving end is connected to the rod end of the fisheye joint 760. The rear end of the connecting block 770 is connected to the bearing end of the fisheye joint 760, and its front end is connected to the rotating shaft 710. Specifically, the positioning mechanism 700 is divided into two groups, which are arranged at intervals in the horizontal direction; there are five clamping blocks 720 on each rotating shaft 710; the cylinder body of the positioning cylinder 750 is hinged to the rear side of the conveyor line 200. The positioning wheel 730 in the positioning mechanism 700 enters the positioning groove 741 to realize the positioning of the fixture 400 and ensure the welding quality.

[0045] like Figure 8 As shown, buffers 800 are vertically installed at the left and right ends of the support plate 300, and transition wheels 900 are installed at the top of the buffers 800. The top surfaces of the left and right ends of the support plate 300 form an eight-shaped shape. Through the arrangement of the buffers 800 and the transition wheels 900, the fixture 400 can be smoothly moved onto the support plate 300 or detached from the support plate 300.

[0046] like Figure 2 and Figure 3As shown, the conveyor line 200 includes an annular frame 210, a driving wheel 220, a driven wheel 230, a conveyor belt 240, a conveying motor 250 and an annular guide rail 260. The annular frame 210 is vertically mounted on the top of the workbench 100, the driving wheel 220 is mounted on the front side of the left end of the annular frame 210, the driven wheel 230 is mounted on the front side of the right end of the annular frame 210, the conveyor belt 240 is sleeved on the driving wheel 220 and the driven wheel 230, the conveying motor 250 is mounted on the annular frame 210, and its output end is connected to the driving wheel 220, the annular guide rail 260 is mounted on the front side of the annular frame 210, and the mounting seat 410 is connected to the conveyor belt 240 and is rollingly connected to the annular guide rail 260. During transportation, the conveying motor 250 drives the conveyor belt 240 to move, thereby driving a number of jigs 400 to make annular motion.

[0047] During operation, the conveyor line 200 drives the jig 400 to move, so that the jig 400 passes through the resistance welding mechanism 500 and the laser welding mechanism 600 one by one, thereby achieving composite welding of the sensor and the terminal on the jig 400 .

[0048] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it. They cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A sensor pin composite welding device, comprising a workbench (100), a conveyor line (200) transversely mounted on the top of the workbench (100), and a support plate (300) transversely mounted on the surface of the workbench (100), wherein the support plate (300) is arranged parallel to the front side of the conveyor line (200), and characterized in that: Also includes: A plurality of jigs (400) are driven by a conveyor line (200) to perform circular motion, and when the jigs (400) are moved above the workbench (100), they are supported by a support plate (300); A resistance welding mechanism (500) is installed on the top of the workbench (100) and is arranged in the middle of the conveyor line (200); A laser welding mechanism (600) is installed on the table top of the workbench (100) and is arranged at the right end of the conveyor line (200); and a positioning mechanism (700) which is transversely mounted on the conveyor line (200) and is used for positioning the fixture (400) on the support plate (300).

2. The sensor pin composite welding device according to claim 1, characterized in that: The fixture (400) comprises a mounting seat (410), a bottom plate (420), a connecting pin (430), a spring (440) and a base (450); the mounting seat (410) is arranged vertically and driven by a conveyor line (200); the rear end of the bottom plate (420) is overlapped on the top of the mounting seat (410); the connecting pin (430) passes through a stepped hole (421) provided in the middle of the rear end of the bottom plate (420), and the bottom end thereof is connected to the top of the mounting seat (410); the spring (440) is sleeved on the connecting pin (430) The bottom end of the spring (440) contacts the step in the step hole (421), and the top end contacts the pin cap of the connecting pin (430). The base (450) is installed on the top surface of the front end of the bottom plate (420). The rear part of the top end of the base (450) is provided with a terminal groove (451), and the front part of the top end is provided with a sensor groove (452). The middle part of the base (450) is provided with a first avoidance hole (453), and the front end of the bottom plate (420) is provided with a second avoidance hole (422) connected with the first avoidance hole (453).

3. The sensor pin composite welding device according to claim 1, characterized in that: The resistance welding mechanism (500) comprises a frame (510), a clamping assembly (520) and a resistance welding assembly (530); the frame (510) is installed at the top end of a workbench (100); the conveyor line (200) and the support plate (300) pass through the frame (510); the clamping assembly (520) is installed on the front side of the support plate (300); and the resistance welding assembly (530) is distributed at the top end and the bottom end of the frame (510).

4. The sensor pin composite welding device according to claim 3, characterized in that: The clamping assembly (520) comprises a clamping cylinder (521) and a clamping plate (522). The clamping cylinder (521) is vertically mounted on the front side of the support plate (300), and its driving end is connected to the front end of the clamping plate (522). The rear end of the clamping plate (522) extends to the top of the fixture (400), and an avoidance opening (5221) is provided at the bottom of its rear end.

5. The sensor pin composite welding device according to claim 3, characterized in that: The resistance welding assembly (530) comprises a side plate (531), a lifting plate (532), a roller (533), a slope block (534), a lower electrode head (535), a lifting cylinder (536), a motion group (537), a voltage regulating module (538) and an upper electrode head (539), wherein the side plate (531) is mounted at the bottom end of the frame (510), the lifting plate (532) is slidably mounted on the right side of the side plate (531), the roller (533) is mounted at the bottom end of the lifting plate (532), and the slope block (534) is slidably mounted at the bottom end of the frame (510). And its slope surface is in contact with the roller (533), the lower electrode head (535) is vertically installed at the top of the lifting plate (532), the lifting cylinder (536) is longitudinally installed at the bottom of the frame (510), and its driving end is connected to the slope block (534), the support plate (300) is provided with a third avoidance hole (310) corresponding to the lower electrode head (535), the motion group (537) is installed in the middle of the top of the frame (510), and its driving end is connected to the voltage regulating module (538), and the upper electrode head (539) is vertically installed on the voltage regulating module (538).

6. The sensor pin composite welding device according to claim 5, characterized in that: The motion group (537) includes an angle plate (5371), a vertical slide plate (5372), a horizontal slide plate (5373), a vertical cylinder (5374) and a horizontal cylinder (5375). The angle plate (5371) is installed at the top of the frame (510), and its bottom end extends into the frame (510). The vertical slide plate (5372) is slidably installed on the front side of the angle plate (5371). The vertical cylinder (5374) is vertically installed on the top of the angle plate (5371). end, and its driving end passes through the through hole (511) opened at the top of the frame (510) and is connected to the top of the vertical slide (5372), the transverse slide (5373) is slidably installed on the front side of the vertical slide (5372), the transverse cylinder (5375) is transversely installed on the right end of the vertical slide (5372), and its driving end is connected to the right end of the transverse slide (5373), and the pressure regulating module (538) is vertically installed on the front side of the transverse slide (5373).

7. The sensor pin composite welding device according to claim 1, characterized in that: The laser welding mechanism (600) comprises a gantry (610), a Z-direction module (620), a laser group (630) and a light source (640); the gantry (610) is installed on the table top of a workbench (100) and straddles a conveyor line (200) and a support plate (300); the Z-direction module (620) is vertically installed at the middle of the top end of the gantry (610); the laser group (630) is installed on a slide plate of the Z-direction module (620); and the light source (640) is installed at the middle of the gantry (610).

8. The sensor pin composite welding device according to claim 2, characterized in that: The positioning mechanism (700) comprises a rotating shaft (710), a clamping block (720), a positioning wheel (730), a positioning block (740), a positioning cylinder (750), a fisheye joint (760) and a connecting block (770). The rotating shaft (710) is transversely arranged above the conveying line (200) and is rotatably connected to the conveying line (200). The clamping block (720) comprises a plurality of blocks, which are evenly arranged along the axial direction of the rotating shaft (710). The front end of the clamping block (720) is connected to the positioning wheel (730). 0), and its rear end is connected to the rotating shaft (710), the positioning block (740) is installed at the top end of the mounting seat (410), and a positioning groove (741) is provided in the middle of the top end of the positioning block (740), the positioning cylinder (750) is vertically installed on the rear side of the conveying line (200), and its driving end is connected to the rod end of the fisheye joint (760), the rear end of the connecting block (770) is connected to the bearing end of the fisheye joint (760), and its front end is connected to the rotating shaft (710).

9. The sensor pin composite welding device according to claim 1, characterized in that: Buffers (800) are respectively installed vertically at the left and right ends of the support plate (300), and a transition wheel (900) is installed at the top of the buffer (800). The top surfaces of the left and right ends of the support plate (300) form an eight-shaped shape.

10. The sensor pin composite welding device according to claim 2, characterized in that: The conveyor line (200) comprises an annular frame (210), a driving wheel (220), a driven wheel (230), a conveyor belt (240), a conveying motor (250) and an annular guide rail (260). The annular frame (210) is vertically mounted on the top of a workbench (100). The driving wheel (220) is mounted on the front side of the left end of the annular frame (210). The driven wheel (230) is mounted on the front side of the right end of the annular frame (210). The conveyor belt (240) is sleeved on the driving wheel (220) and the driven wheel (230). The conveying motor (250) is mounted on the annular frame (210), and its output end is connected to the driving wheel (220). The annular guide rail (260) is mounted on the front side of the annular frame (210). The mounting seat (410) is connected to the conveyor belt (240) and is rollingly connected to the annular guide rail (260).

Images