Welding device for electric sliding rail mounting rack of seat

Abstract

The invention relates to the technical field of sliding rail welding, in particular to a seat electric sliding rail mounting frame welding device which comprises two symmetrically-arranged main body plates, a welding and grinding mechanism is arranged at the upper ends of the two main body plates, and the welding and grinding mechanism comprises two first containing grooves symmetrically formed in the upper ends of the main body plates; first electric telescopic rods are fixedly connected into the two first containing grooves correspondingly, first fixing bodies are fixedly connected to the telescopic ends of the two first electric telescopic rods, first limiting grooves are formed in the lower ends of the first fixing bodies, and guide blocks are slidably connected into the first limiting grooves; transmission mechanisms are arranged on the inner side faces of the two main body plates, and supporting mechanisms are arranged at the upper ends of the two main body plates. Grooves are ground in the positions, corresponding to the protrusions of the supporting plate, of the lower end of the guide plate, it is guaranteed that values of the pressure sensors on the surface of the grinding rod are consistent in the grinding process, and at the moment, the upper end of the supporting plate is completely attached to the lower end of the guide plate.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of slide rail welding, in particular to a seat electric slide rail mounting frame welding device. BACKGROUND

[0002] The automobile seat slide rail system is an important component in an automobile, which can drive the seat to move along the slide rail, so that the user can achieve a comfortable sitting posture. The seat slide rail of the automobile comprises a frame type slide rail structure, the cross section of the slide rail is concave, the support plate of the seat is in sliding cooperation with the groove of the slide rail, and then the support plate of the seat is driven to move along the groove by the motor, so that the movement of the seat is realized.

[0003] The concave slide rail is generally made by welding. First, the fixed plate is placed on the clamp, and generally two limiting plates are symmetrically welded above the fixed plate. The prior art grinds the side surface of the limiting plate and the upper end of the fixed plate apart before welding. The side surface of the limiting plate after grinding cannot be completely matched with the side surface of the fixed plate, so that the connecting strength of the limiting plate and the fixed plate after welding is reduced. The existing automatic welding device can only automatically weld the straight line type welding seam when welding the welding seam on the inner side, and the reliability is low. SUMMARY

[0004] The application aims to solve the problems in the background art and provides a seat electric slide rail mounting frame welding device.

[0005] To achieve the above purpose, the technical scheme adopted by the application is as follows: a seat electric slide rail mounting frame welding device, comprising two symmetrically arranged main plates, the upper end of the two main plates is provided with a welding and grinding mechanism, the welding and grinding mechanism comprises two symmetrically arranged first placing grooves on the upper end of the main plate, two first electric telescopic rods are fixedly connected in the two first placing grooves respectively, a first fixed body is fixedly connected to the telescopic end of the two first electric telescopic rods, a first limiting groove is arranged on the lower end of the first fixed body, a guide block is slidably connected in the first limiting groove, a transmission mechanism is arranged on the inner side of the two main plates, and a supporting mechanism is arranged on the upper end of the two main plates.

[0006] Preferably, the lower end of the guide block is fixedly connected with a third electric telescopic rod, the telescopic end of the third electric telescopic rod is fixedly connected with a second fixed body, a fourth placing groove is arranged on the lower end of the second fixed body, a third motor is fixedly connected to the side surface of the second fixed body, a first rotating body is fixedly connected to the transmission shaft end of the third motor in the fourth placing groove, a positioner is fixedly connected to the lower end of the first rotating body, and a welding gun is fixedly connected to the side surface of the telescopic end of the first rotating body.

[0007] Preferably, the lower end of the first fixed body is symmetrically provided with a second placing groove, the first fixed body is fixedly connected with a second electric telescopic rod in the second placing groove, the telescopic end of the second electric telescopic rod is fixedly connected with a second double-shaft electric telescopic rod, the telescopic end of the second double-shaft electric telescopic rod is fixedly connected with a second connecting plate, and the inner side of the second connecting plate is fixedly connected with a second extrusion plate.

[0008] Preferably, the first fixed body is fixedly connected with a second motor in the first limiting groove, the transmission shaft end of the second motor is fixedly connected with a first threaded rod in the first limiting groove, and the side of the first threaded rod is arranged in cooperation with the guide block.

[0009] Preferably, the support mechanism comprises a fourth electric telescopic rod fixedly connected to the inner side of the two main plates, a fifth placing groove is formed in the upper end of the fourth electric telescopic rod, a fourth fixed body is fixedly connected to the telescopic end of the fourth electric telescopic rod, a plurality of air suction grooves are arranged at equal intervals in the upper end of the fourth fixed body, a plurality of air outlet holes corresponding to the air suction grooves are formed in the lower end of the fourth fixed body, and a gas pump is fixedly connected to each of the air outlet holes.

[0010] Preferably, guide grooves are formed in the two sides of the fourth fixed body, limiting blocks are slidably connected to the guide grooves, sixth placing grooves are formed in the upper ends of the limiting blocks, fourth motors are fixedly connected to the limiting blocks in the sixth placing grooves, fifth electric telescopic rods are fixedly connected to the transmission shaft ends of the fourth motors, rotating grooves are formed in the telescopic ends of the fifth electric telescopic rods, second rotating bodies are rotatably connected to the fifth electric telescopic rods in the rotating grooves, third fixed bodies are fixedly connected to the upper ends of the second rotating bodies, sixth motors are fixedly connected to the inner sides of the third fixed bodies, and polishing rods are fixedly connected to the transmission shaft ends of the sixth motors.

[0011] Preferably, seventh motors are fixedly connected to the guide grooves, second threaded rods are fixedly connected to the transmission shaft ends of the seventh motors, the sides of the second threaded rods are arranged in cooperation with the limiting blocks, fifth motors are fixedly connected to the sides of the fifth electric telescopic rods close to the rotating grooves, and the sides of the second rotating bodies are fixedly connected to the transmission shaft ends of the fifth motors in the rotating grooves.

[0012] Preferably, the transmission mechanism comprises two fixed rods rotationally connected to the inner side of the main plate, the side of the two fixed rods is fixedly connected with a transmission roller respectively, the side of the two transmission rollers is closely provided with a conveying belt, the side of the conveying belt is provided with a plurality of equidistantly arranged air slots, the side of one main plate is fixedly connected with a first motor, and the transmission shaft end of the first motor is fixedly connected with the fixed rod.

[0013] Preferably, the surface of the conveying belt is symmetrically connected with a first double-shaft electric telescopic rod at the position close to the air slot, the telescopic end of a plurality of first double-shaft electric telescopic rods is fixedly connected with a first connecting plate respectively, and the inner side of a plurality of first connecting plates is fixedly connected with a first extrusion plate.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1、Two second electric telescopic rods are elongated, the lower end of the guide plate is moved to the position close to the upper end of the support plate, then the fourth motor is started, the fourth motor drives the fifth electric telescopic rod to rotate, so that the polishing rod is moved above the weld, then the fifth electric telescopic rod is retracted, the sixth motor is started, and the polishing rod is polished on the upper end of the support plate and the lower end of the guide plate, while the seventh motor drives the limiting block to move along the guide groove, so that the welding area of the guide plate and the support plate is completely polished, while the side of the polishing rod is provided with a pressure sensor, the pressure sensor is connected with the fifth motor through the controller, the rotation of the fifth motor is controlled through the value of the pressure sensor, when the upper end of the support plate has a protrusion that cannot be polished, the fifth motor drives the polishing rod to rotate, and a groove is polished at the position corresponding to the protrusion of the guide plate lower end and the support plate, so that the value of the pressure sensor on the surface of the polishing rod is consistent during polishing, at this time, the upper end of the support plate and the lower end of the guide plate are completely attached, and the connection strength of subsequent welding is improved.

[0016] 2、Two second electric telescopic rods are elongated, the lower end of the polished guide plate is coincidentally contacted with the upper end of the support plate, then the second motor is started, the third electric telescopic rod is elongated, the welding gun is moved to the position close to the welding area, the second motor drives the first threaded rod to rotate, the first threaded rod drives the guide block to move along the first limiting groove, while the positioner can plot the arc line of the welding area according to the rotation of the fifth motor during polishing, then the third motor is driven to rotate and the first rotating body is retracted according to the curvature of the welding line, so that the welding gun is always aligned with the weld, ensuring the accuracy of the device when automatically welding the arc weld, and improving the quality of welding. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2 is a sectional view of the entire application Figure 1 ;

[0019] Figure 3 is a sectional view of the entire application Figure 2 ;

[0020] Figure 4 is an enlarged view of A of the application Figure 2 ;

[0021] Figure 5 is an enlarged view of B of the application Figure 2 ;

[0022] Figure 6 is an enlarged view of C of the application Figure 3 ;

[0023] Figure 7 is an enlarged view of D of the application Figure 3 .

[0024] 1, main plate; 2, transmission mechanism; 3, welding polishing mechanism; 4, supporting mechanism; 21, first motor; 22, transmission roller; 23, fixed rod; 24, conveying belt; 25, empty slot; 26, first double-shaft electric telescopic rod; 27, first connecting plate; 28, first extrusion plate; 31, first placing slot; 32, first electric telescopic rod; 33, second motor; 34, first limiting slot; 35, first fixed body; 36, second placing slot; 37, second electric telescopic rod; 38, second double-shaft electric telescopic rod; 39, second connecting plate; 310, second extrusion plate; 312, first threaded rod; 313, third electric telescopic rod; 314, second fixed body; 315, fourth placing slot; 316, first rotating body; 317, third motor; 318, positioner; 319, welding gun; 320, guide block; 41, third fixed body; 42, fifth placing slot; 43, fourth electric telescopic rod; 44, fourth fixed body; 45, guide slot; 46, sixth placing slot; 47, fourth motor; 48, fifth electric telescopic rod; 49, second rotating body; 410, rotating slot; 411, fifth motor; 412, third fixed body; 413, sixth motor; 414, polishing rod; 415, seventh motor; 416, air pump; 417, limiting block; 418, air outlet hole; 419, air suction slot; 420, second threaded rod. DETAILED DESCRIPTION

[0025] The following description is presented to enable any person skilled in the art to practice the application as claimed. The preferred embodiments disclosed herein are only examples of the application and alternative variations could be adopted by one skilled in the art without departing from the spirit and scope of the application.

[0026] Reference will now be made to Figure 1 - Figure 7The utility model provides a kind of seat electric sliding rail mounting frame welding device, including two symmetrically arranged main body plate 1, the upper end of two main body plate 1 is provided with welding polishing mechanism 3.

[0027] In the embodiment, the welding polishing mechanism 3 includes two symmetrically first placing grooves 31 opened on the upper end of the main body plate 1, two first electric telescopic rods 32 are fixedly connected in the two first placing grooves 31 respectively, the first fixed body 35 is fixedly connected to the telescopic end of the two first electric telescopic rods 32, the first limiting groove 34 is opened at the lower end of the first fixed body 35, and the guide block 320 is slidably connected in the first limiting groove 34.

[0028] The lower end of the guide block 320 is fixedly connected with a third electric telescopic rod 313, the telescopic end of the third electric telescopic rod 313 is fixedly connected with a second fixed body 314, the fourth placing groove 315 is opened at the lower end of the second fixed body 314, the third motor 317 is fixedly connected to the side surface of the second fixed body 314, the first rotating body 316 is fixedly connected to the end of the transmission shaft of the third motor 317 in the fourth placing groove 315, the positioner 318 is fixedly connected to the lower end of the first rotating body 316, and the welding gun 319 is fixedly connected to the side surface of the telescopic end of the first rotating body 316.

[0029] The second placing grooves 36 are symmetrically opened at the lower end of the first fixed body 35, the second electric telescopic rods 37 are fixedly connected in the second placing grooves 36 of the first fixed body 35 respectively, the second double-shaft electric telescopic rods 38 are fixedly connected to the telescopic end of the two second electric telescopic rods 37 respectively, the second connecting plates 39 are fixedly connected to the telescopic end of the two second double-shaft electric telescopic rods 38 respectively, and the second extrusion plates 310 are fixedly connected to the inner side surfaces of the four second connecting plates 39 respectively.

[0030] The second motor 33 is fixedly connected in the first limiting groove 34 of the first fixed body 35, the first threaded rod 312 is fixedly connected to the end of the transmission shaft of the second motor 33 in the first limiting groove 34, and the side surface of the first threaded rod 312 is matched with the guide block 320.

[0031] Specifically, the two second electric telescopic rods 37 are elongated, the lower end of the polished guide plate is in contact with the upper end of the supporting plate, then the second motor 33 is started, the third electric telescopic rod 313 is elongated, the welding gun 319 is moved to the position close to the welding area, the second motor 33 drives the first threaded rod 312 to rotate, the first threaded rod 312 cooperates to drive the guide block 320 to move along the first limiting groove 34, and at the same time of moving, the positioner 318 can measure the arc line of the welding area according to the rotation of the fifth motor 411 during polishing.

[0032] In this embodiment, the inner side of the two main plates 1 is provided with a transmission mechanism 2.

[0033] The transmission mechanism 2 comprises two fixed rods 23 rotatably connected to the inner side of the main plate 1, the side of each fixed rod 23 is fixedly connected with a transmission roller 22, the side of each transmission roller 22 is tightly provided with a conveying belt 24, the side of the conveying belt 24 is provided with a plurality of equidistantly arranged air slots 25, the side of one main plate 1 is fixedly connected with a first motor 21, and the transmission shaft end of the first motor 21 is fixedly connected with the fixed rod 23.

[0034] The surface of the conveying belt 24 is symmetrically connected with a first double-shaft electric telescopic rod 26 at the position close to the air slot 25, the telescopic end of each first double-shaft electric telescopic rod 26 is fixedly connected with a first connecting plate 27, and the inner side of each first connecting plate 27 is fixedly connected with a first extrusion plate 28.

[0035] Specifically, the first motor 21 drives the fixed rod 23 to rotate, the fixed rod 23 cooperates to drive the conveying belt 24 to move, then the support plate to be welded is placed above the air slot 25 in the conveying belt 24, then the first double-shaft electric telescopic rod 26 is retracted, the first double-shaft electric telescopic rod 26 drives the first connecting plate 27 to move inward, and the first connecting plate 27 limits the support plate through the first extrusion plate 28, so that the support plate is placed vertically to the moving route of the conveying belt 24.

[0036] In this embodiment, the upper end of the two main plates 1 is provided with a supporting mechanism 4.

[0037] The supporting mechanism 4 comprises a 41 fixedly connected to the inner side of the two main plates 1, the upper end of the 41 is provided with a fifth placing groove 42, the fifth placing groove 42 is fixedly connected with a fourth electric telescopic rod 43, the telescopic end of the fourth electric telescopic rod 43 is fixedly connected with a fourth fixed body 44, the upper end of the fourth fixed body 44 is provided with a plurality of equidistantly arranged air suction grooves 419, the lower end of the fourth fixed body 44 is provided with a plurality of air outlet holes 418 corresponding to the positions of the air suction grooves 419, and each air outlet hole 418 is fixedly connected with an air pump 416.

[0038] The fourth fixed body 44 is provided with a guide groove 45 on both sides, and the guide groove 45 is slidably connected with a limiting block 417. The upper end of the limiting block 417 is provided with a sixth placing groove 46, and the fourth motor 47 is fixedly connected in the sixth placing groove 46. The transmission shaft end of the fourth motor 47 is fixedly connected with a fifth electric telescopic rod 48, and the fifth electric telescopic rod 48 is provided with a rotating groove 410. The second rotating body 49 is rotatably connected in the rotating groove 410, and the upper end of the second rotating body 49 is fixedly connected with a third fixed body 412. The inner side of the third fixed body 412 is fixedly connected with a sixth motor 413, and the transmission shaft end of the sixth motor 413 is fixedly connected with a polishing rod 414.

[0039] The seventh motor 415 is fixedly connected in the guide groove 45, and the transmission shaft end of the seventh motor 415 is fixedly connected with a second threaded rod 420. The side of the second threaded rod 420 is matched with the limiting block 417. The fifth motor 411 is fixedly connected on the side of the fifth electric telescopic rod 48 near the rotating groove 410, and the transmission shaft end of the fifth motor 411 is fixedly connected with the side of the second rotating body 49 in the rotating groove 410.

[0040] Specifically, the fourth electric telescopic rod 43 is elongated, and after the fourth electric telescopic rod 43 drives the fourth fixed body 44 to move below the supporting plate, the air pump 416 is started, and the air pump 416 is adsorbed to the lower end face of the supporting plate through the air suction groove 419. Then the fourth electric telescopic rod 43 continues to elongate, and drives the supporting plate to move to a predetermined height.

[0041] In use, the device is placed on a horizontal surface through the support legs, then the first motor 21 is started, the first motor 21 drives the fixed rod 23 to rotate, the fixed rod 23 cooperates to drive the conveyor belt 24 to move, then the support plate to be welded is placed above the empty slot 25 in the conveyor belt 24, then the first double-shaft electric telescopic rod 26 is retracted, the first double-shaft electric telescopic rod 26 drives the first connecting plate 27 to move inward, the first connecting plate 27 positions the support plate through the first extrusion plate 28, so that the support plate is placed perpendicular to the moving route of the conveyor belt 24, when the support plate is moved under the welding and polishing mechanism 3, the first motor 21 stops rotating at this time, the fourth electric telescopic rod 43 is elongated, the fourth electric telescopic rod 43 drives the fourth fixed body 44 to move under the support plate, then the air pump 416 is started, the air pump 416 adsorbs the lower end face of the support plate through the air suction groove 419, then the fourth electric telescopic rod 43 continues to elongate, drives the support plate to move to a predetermined height, then the guide plate to be welded on the upper end face of the support plate is placed below the second double-shaft electric telescopic rod 38, the two second double-shaft electric telescopic rods 38 are retracted, respectively clamping and positioning the guide plate, then the two second electric telescopic rods 37 are elongated, drive the lower end of the guide plate to move to a position close to the upper end face of the support plate, then the fourth motor 47 is started, the fifth electric telescopic rod 48 is rotated to drive the polishing rod 414 to move above the weld, then the fifth electric telescopic rod 48 is retracted, the sixth motor 413 is started, drives the polishing rod 414 to polish the upper end of the support plate and the lower end of the guide plate, while polishing, the seventh motor 415 drives the limiting block 417 to move along the guide groove 45, so as to ensure that the welding area of the guide plate and the support plate is completely polished, while polishing, the side surface of the polishing rod 414 is provided with a pressure sensor, the pressure sensor is connected with the fifth motor 411 through the controller, the value of the pressure sensor controls the rotation of the fifth motor 411, when the upper end of the support plate has a protrusion that cannot be polished, the fifth motor 411 drives the polishing rod 414 to rotate, and a groove is polished at the position corresponding to the protrusion of the support plate at the lower end of the guide plate, ensuring that the value of the pressure sensor on the surface of the polishing rod 414 is consistent during polishing, at this time the upper end of the support plate and the lower end of the guide plate are completely attached, improving the connection strength of subsequent welding.

[0042] When the polishing is completed, the fourth motor 47 drives the fifth electric telescopic rod 48 to rotate, so that the polishing rod 414 is rotated to the area not coinciding with the support plate, then the two second electric telescopic rods 37 are elongated to drive the lower end of the polished guide plate to contact with the upper end of the support plate, then the second motor 33 is started, the third electric telescopic rod 313 is elongated to drive the welding gun 319 to move to the position close to the welding area, the second motor 33 drives the first threaded rod 312 to rotate, the first threaded rod 312 drives the guide block 320 to move along the first limiting groove 34, at the same time of moving, the positioner 318 can measure the arc line of the welding area according to the rotation of the fifth motor 411 during polishing, then the third motor 317 is driven to rotate and the first rotating body 316 is driven to elongate according to the curvature of the welding line, so that the welding gun 319 is always aligned with the weld, ensuring the accuracy of the device when automatically welding the arc weld and improving the welding quality.

[0043] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A welding device for a seat electric slide rail mounting bracket, comprising two symmetrically arranged main body plates (1), characterized in that: Welding and grinding mechanism (3) is provided at the upper end of the two main body plates (1). The welding and grinding mechanism (3) includes two first placement slots (31) symmetrically opened at the upper end of the main body plates (1). A first electric telescopic rod (32) is fixedly connected in the two first placement slots (31). A first fixing body (35) is fixedly connected to the telescopic ends of the two first electric telescopic rods (32). A first limiting groove (34) is opened at the lower end of the first fixing body (35). A guide block (320) is slidably connected in the first limiting groove (34). A transmission mechanism (2) is provided on the inner side of the two main body plates (1). A support mechanism (4) is provided at the upper end of the two main body plates (1).

2. The welding device for a seat electric slide rail mounting bracket according to claim 1, characterized in that: The lower end of the guide block (320) is fixedly connected to a third electric telescopic rod (313), the telescopic end of the third electric telescopic rod (313) is fixedly connected to a second fixing body (314), the lower end of the second fixing body (314) is provided with a fourth placement groove (315), the side of the second fixing body (314) is fixedly connected to a third motor (317), the drive shaft end of the third motor (317) is fixedly connected to a first rotating body (316) in the fourth placement groove (315), the lower end of the first rotating body (316) is fixedly connected to a locator (318), and the side of the telescopic end of the first rotating body (316) is fixedly connected to a welding gun (319).

3. The welding device for a seat electric slide rail mounting bracket according to claim 1, characterized in that: The lower end of the first fixing body (35) is symmetrically provided with a second placement groove (36). The first fixing body (35) is fixedly connected to a second electric telescopic rod (37) in the second placement groove (36). The telescopic ends of the two second electric telescopic rods (37) are fixedly connected to a second dual-axis electric telescopic rod (38). The telescopic ends of the two second dual-axis electric telescopic rods (38) are fixedly connected to a second connecting plate (39). The inner sides of the four second connecting plates (39) are fixedly connected to a second extrusion plate (310).

4. The welding device for a seat electric slide rail mounting bracket according to claim 1, characterized in that: The first fixing body (35) is fixedly connected to the second motor (33) in the first limiting groove (34). The transmission shaft end of the second motor (33) is fixedly connected to the first threaded rod (312) in the first limiting groove (34). The side of the first threaded rod (312) is configured to cooperate with the guide block (320).

5. The welding device for an electric seat slide rail mounting bracket according to claim 1, characterized in that: The support mechanism (4) includes (41) fixedly connected to the inner side of the two main plates (1). The upper end of the (41) is provided with a fifth placement groove (42). A fourth electric telescopic rod (43) is fixedly connected in the fifth placement groove (42). A fourth fixing body (44) is fixedly connected to the telescopic end of the fourth electric telescopic rod (43). A number of equally spaced air intake grooves (419) are provided at the upper end of the fourth fixing body (44). A number of air outlet holes (418) corresponding to the positions of the air intake grooves (419) are provided at the lower end of the fourth fixing body (44). An air pump (416) is fixedly connected in each of the air outlet holes (418).

6. The welding device for a seat electric slide rail mounting bracket according to claim 5, characterized in that: The fourth fixing body (44) has guide grooves (45) on both sides, and limit blocks (417) are slidably connected in the two guide grooves (45). The upper ends of the two limit blocks (417) are respectively provided with sixth placement grooves (46). The limit blocks (417) are respectively fixedly connected to the fourth motors (47) in the sixth placement grooves (46). The transmission shaft ends of the two fourth motors (47) are respectively fixedly connected to the fifth electric telescopic rods (48). The telescopic ends of the two fifth electric telescopic rods (48) are respectively provided with rotating grooves (410). The two fifth electric telescopic rods (48) are respectively rotatably connected to the second rotating bodies (49) in the rotating grooves (410). The upper ends of the two second rotating bodies (49) are respectively fixedly connected to the third fixing body (412). The inner sides of the two third fixing bodies (412) are respectively fixedly connected to the sixth motors (413). The transmission shaft ends of the two sixth motors (413) are respectively fixedly connected to the grinding rods (414).

7. The welding device for a seat electric slide rail mounting bracket according to claim 6, characterized in that: A seventh motor (415) is fixedly connected to each of the two guide grooves (45). The transmission shaft ends of the two seventh motors (415) are fixedly connected to the second threaded rods (420). The sides of the two second threaded rods (420) are respectively matched with the limiting blocks (417). The two fifth electric telescopic rods (48) are fixedly connected to the fifth motors (411) on the sides near the rotating groove (410). The transmission shaft ends of the two fifth motors (411) are respectively fixedly connected to the sides of the second rotating body (49) in the rotating groove (410).

8. The welding device for a seat electric slide rail mounting bracket according to claim 1, characterized in that: The transmission mechanism (2) includes two fixed rods (23) rotatably connected to the inner side of the main body plate (1). The sides of the two fixed rods (23) are respectively fixedly connected to transmission rollers (22). The sides of the two transmission rollers (22) are closely attached to a conveyor belt (24). The sides of the conveyor belt (24) are provided with several equally spaced slots (25). The side of one of the main body plates (1) is fixedly connected to a first motor (21). The transmission shaft end of the first motor (21) is fixedly connected to the fixed rods (23).

9. The welding device for a seat electric slide rail mounting bracket according to claim 8, characterized in that: The surface of the conveyor belt (24) is symmetrically connected with first dual-axis electric telescopic rods (26) at positions near the empty trough (25). The telescopic ends of several first dual-axis electric telescopic rods (26) are respectively fixedly connected with first connecting plates (27), and the inner sides of several first connecting plates (27) are respectively fixedly connected with first extrusion plates (28).

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