CN118106689A - A welding tool for automobile seat frame - Google Patents

Abstract

The invention discloses a welding tool for an automobile seat framework, which comprises an automatic welding mechanical arm, a multi-axis rotating platform and a clamping mechanism, wherein one side of the multi-axis rotating platform is fixedly connected with an installation table, the upper end of the installation table is fixedly connected with the automatic welding mechanical arm, the clamping mechanism is arranged on the multi-axis rotating platform, the multi-axis rotating platform comprises a base table, a supporting frame and a mounting frame, one side of the installation table is fixedly connected with the base table, the upper end of the base table is rotatably connected with the base table, the upper end of the base table is fixedly connected with two groups of symmetrical supporting frames, the mounting frame is rotatably connected between the supporting frames, and the clamping mechanism is fixedly connected in the mounting frame. The invention aims to provide a welding tool which has strong applicability, high production efficiency and flexibility, good operation stability and high welding precision.

Description

A welding tool for automobile seat frame

Technical Field

The invention relates to the technical field of automobile seat processing, in particular to a welding tool for an automobile seat frame.

Background technique

With the rapid development of the automobile industry, the design and manufacture of automobile seats, as an important part to ensure riding comfort and safety, has received great attention. The frame of the seat is the core component to ensure the stability and safety of the seat structure, and welding is a key step in the production process of the seat frame. Traditional welding processes and tooling equipment often face problems such as low efficiency, poor adaptability and low welding accuracy.

In the prior art, the welding tooling of the seat frame is usually a fixed structure. Different tooling needs to be replaced for different models or designs of seat frames, which not only increases production costs but also prolongs the production cycle. In addition, the clamping mechanism of these tooling may not be able to fully adapt to the differences in workpieces when clamping the seat frame, resulting in inaccurate welding positioning, thereby affecting the welding quality and the final performance of the seat.

In order to improve production efficiency and reduce production costs, a universal welding tool that can adapt to different seat frame designs is needed. At the same time, the new tool should be able to clamp the workpiece while ensuring the accuracy and stability of the welding process, as well as improving the resistance to impact and vibration on the production line.

Therefore, in view of the above-mentioned deficiencies of the prior art, the present invention provides a welding tool for a car seat frame, aiming to solve the problems of low efficiency, poor adaptability and low welding precision in the existing process. The present invention can be quickly adjusted to adapt to different models of seat frames through an innovative clamping component design, while ensuring the stability of the workpiece and high welding precision during the automated welding process.

Summary of the invention

In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a welding tool with strong applicability, improved production efficiency and flexibility, good operating stability and high welding accuracy.

The technical solution adopted by the present invention to achieve the above-mentioned purpose is: a welding tool for a car seat frame, including an automated welding robot arm, a multi-axis rotating platform, and a clamping mechanism. A mounting platform is fixedly connected to one side of the multi-axis rotating platform, and the mounting platform is used to fix the automated welding robot arm to maintain its stability during operation. An automated welding robot arm is fixedly connected to the upper end of the mounting platform. The automated welding robot arm is the core part of the welding tool and is responsible for performing actual welding tasks. The design of the robot arm integrates multiple degrees of freedom, which can accurately control the movement of the welding head along a predetermined path and perform welding operations. A clamping mechanism is installed on the multi-axis rotating platform, and the multi-axis rotating platform can realize rotation in multiple directions to ensure that the automated welding robot arm can reach the seat All welding points of the chair frame, the clamping mechanism is responsible for fixing and keeping the chair frame in the proper position and posture so that the automated welding robot arm can perform accurate welding, the multi-axis rotating platform includes a base, a pedestal, a support frame, and a mounting frame, the base and the pedestal together constitute the supporting structure of the multi-axis rotating platform, the base is fixedly connected to the ground or the workbench, and the pedestal is rotatably connected to the base, allowing rotational movement, one side of the mounting platform is fixedly connected to the base, the upper end of the base is rotatably connected to the base, the upper end of the base is fixedly connected to two groups of symmetrical support frames, the support frames are rotatably connected to the mounting frames, the mounting frame is fixedly connected to the clamping mechanism, the mounting frame is the direct bearing platform of the clamping mechanism, ensuring the relative installation and fixation of the seat frame.

In one of the embodiments, a rotating groove is opened in the middle of the upper end of the base, an internal gear ring is rotatably connected in the rotating groove, the upper end of the internal gear ring is fixedly connected to the bottom of the base, a first motor is embedded in the middle of the rotating groove, a first gear is fixedly connected to the rotating shaft of the first motor, a plurality of second gears are meshedly connected to the first gear, the second gears are rotatably connected in the rotating groove, and the second gears are respectively meshedly connected to the internal gear ring.

In one embodiment, a first groove ring is provided on the base of the outer periphery of the rotating groove, a second groove ring is provided at the lower end of the base, the first groove ring and the second groove ring are arranged opposite to each other, and a thrust bearing is fixedly installed between the first groove ring and the second groove ring.

In one of the embodiments, opposite sides of the support frame are rotatably connected with a rotating shaft, opposite sides of the rotating shaft are fixedly connected with a first flange, second flanges are fixedly connected with both sides of the mounting frame, the second flanges are fixedly connected to the first flanges by bolts, one group of the rotating shafts is fixedly connected with a first sprocket, the first sprocket is rotatably connected in the support frame, a second motor is fixedly connected to one side of the lower end of the support frame, the end of the rotating shaft of the second motor is inserted into the support frame and fixedly connected with a second sprocket, the second sprocket is transmission connected to the first sprocket through a chain belt.

In one of the embodiments, a third sprocket is rotatably connected in another group of the support frame, a transmission shaft is fixedly connected to the rotating shaft of the third sprocket, one end of the transmission shaft passes through the first flange and the second flange on the opposite side and is rotatably connected in the mounting frame, a transmission gear is fixedly connected to the transmission shaft in the mounting frame, the transmission gear is transmission-connected to the clamping mechanism, a third motor is fixedly connected to one side of the lower end of the support frame, the rotating shaft of the third motor is fixedly connected to the fourth sprocket after passing through the support frame, and the fourth sprocket is transmission-connected to the third sprocket via a chain belt.

In one of the embodiments, the clamping mechanism includes a mounting plate, a support plate, a side support plate, a tooling plate, a clamping assembly, a lateral limit support, a front bend tube positioning support, a front cross tube positioning support, and a rear cross tube positioning support. The mounting frame is a rectangular frame structure, and a plurality of support brackets are fixedly connected to both sides of the upper end of the mounting frame, the mounting plate is embedded and installed on the support bracket, and two groups of side support plates are fixedly connected to the lower end of the mounting plate, and the side support plates are respectively fixed to the inner side of the mounting frame by screws, and support plates are fixedly connected to both sides of the upper end of the mounting plate, and a tooling plate is fixedly connected to the upper end of the support plate, and clamping assemblies are respectively installed on both sides of the tooling plate, and lateral limit supports are installed on the tooling plate between the clamping assemblies, and the front bend tube positioning support, the front cross tube positioning support, and the rear cross tube positioning support are installed in sequence in the middle of the tooling plate.

The camming plate is fixedly connected to the sliding plate by a linking plate, and the camming plate is fixedly connected to the sliding plate by a linking plate. ... The driving device is a gear wheel, and the gear wheel is connected with the gear train by the spring, and the gear train is connected with the gear train to form a rotation between the gear train and the gear train. The driving device is to be connected with the gear train by the gear train. The driving device is to be connected with the gear train. The gear train is connected with the gear train in a rotating manner. The driving device is to be connected with the gear train.

In one embodiment, a side fixing plate is fixedly connected to the upper end of the guide block, a sliding rod is fixedly connected to the lower end of the side fixing plate, the lower end of the sliding rod is fixedly connected to the force block, and one end of the lower pressure plate is slidably connected to the sliding rod.

In one embodiment, a plurality of welding positioning points are fixedly connected to the upper end of the tooling plate.

Beneficial effects of the present invention:

1. Strong versatility: The welding tool of the present invention includes an adjustable clamping assembly that can adapt to seat frames of different sizes and shapes, thereby reducing the need to design and manufacture special tooling for specific models of seat frames, significantly improving the flexibility of the production line and the versatility of the tooling;

2. Precise positioning: The welding positioning points on the tooling plate provide accurate welding position references. Combined with the fine adjustment mechanism, it ensures high-precision alignment during the welding process, thereby improving welding quality and seat safety;

3. Stability and durability: During the clamping process, the force block and force spring design of the present invention can absorb and disperse the impact force and vibration generated by welding and clamping, thereby increasing the stability of the tooling, reducing the impact on welding accuracy, and improving the durability of the tooling;

4. Improved safety: The lower pressure plate mechanism provided by the present invention ensures the secure clamping of the seat frame during the welding process, reduces the safety risks during the operation, and further ensures the safety of the operator;

In summary, the present invention provides an improved automobile seat frame welding tooling, which not only improves the efficiency and flexibility of production, but also ensures the welding quality and the final performance of the seat through precise welding positioning and a stable clamping mechanism. These characteristics make the present invention have important practical application value for improving the quality and efficiency of automobile seat production.

BRIEF DESCRIPTION OF THE DRAWINGS

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

FIG2 is a schematic diagram of the cross-sectional connection structure between the base and the abutment of the present invention;

FIG3 is a schematic diagram of the connection structure of the multi-axis rotating platform of the present invention;

FIG4 is a schematic diagram of the installation and connection of the clamping mechanism of the present invention;

FIG5 is a schematic diagram of the connection structure of the clamping assembly of the present invention;

FIG6 is a schematic diagram of the connection structure of the drive block of the present invention;

FIG. 7 is a schematic diagram of the cross-sectional connection structure of the load-bearing block of the present invention.

In the figure: 1 automated welding robot arm, 2 multi-axis rotating platform, 3 clamping mechanism, 4 mounting platform, 101 bottom platform, 102 base platform, 103 support frame, 104 mounting frame, 201 rotating groove, 202 inner gear ring, 203 first motor, 204 first gear, 205 second gear, 206 first groove ring, 207 second groove ring, 208 thrust bearing, 301 rotating shaft, 302 first flange, 303 second flange, 304 first sprocket, 305 second motor, 306 second sprocket, 401 third sprocket, 402 transmission shaft, 403 transmission gear, 404 third motor, 405 fourth sprocket, 501 mounting plate, 502 support plate, 503 side support plate, 504 Tooling plate, 505 clamping assembly, 506 lateral limit support, 507 front bent pipe positioning support seat, 508 front cross tube positioning support seat, 509 rear cross tube positioning support seat, 510 support bracket, 601 slide rail, 602 slide block, 603 slide plate, 604 slide guide block, 605 force block, 606 fixed block, 607 guide block, 608 lower pressure plate, 609 linkage rod, 610 movable block, 611 force spring, 612 force rod, 613 force plate, 614 slide hole, 615 linkage plate, 616 drive block, 617 bidirectional screw rod, 618 drive gear, 619 guide groove mouth, 620 rotating block, 621 side fixing plate, 622 sliding rod, 623 welding positioning point.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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 creative work are within the scope of protection of the present invention.

Please refer to Figures 1-7, a welding tool for a car seat frame, including an automated welding robot arm 1, a multi-axis rotating platform 2, and a clamping mechanism 3. A mounting platform 4 is fixedly connected to one side of the multi-axis rotating platform 2. The mounting platform 4 is used to fix the automated welding robot arm 1 to maintain its stability during operation. The upper end of the mounting platform 4 is fixedly connected to the automated welding robot arm 1. The automated welding robot arm 1 is the core part of the welding tool and is responsible for performing actual welding tasks. The design of the robot arm integrates multiple degrees of freedom, which can accurately control the movement of the welding head along a predetermined path and perform welding operations. A clamping mechanism 3 is installed on the multi-axis rotating platform 2. The multi-axis rotating platform 2 can realize rotation in multiple directions to ensure that the automated welding robot arm 1 can reach all welding points of the seat frame. The clamping mechanism 3 is responsible for fixing and keeping the seat frame in Appropriate position and posture so that the automated welding robot 1 can perform accurate welding, the multi-axis rotating platform 2 includes a base 101, a pedestal 102, a support frame 103, and a mounting frame 104. The base 101 and the base 102 together constitute the supporting structure of the multi-axis rotating platform 2. The base 101 is fixedly connected to the ground or the workbench, and the base 102 is rotatably connected to the base 101 to allow rotational movement. The mounting platform 4 is fixedly connected to the base 101 on one side, and the base 102 is rotatably connected to the upper end of the base 101. Two groups of symmetrical support frames 103 are fixedly connected to the upper end of the base 102. The mounting frames 104 are rotatably connected between the support frames 103, and the mounting frame 104 is fixedly connected to the clamping mechanism 3. The mounting frame 104 is the direct bearing platform of the clamping mechanism 3, which ensures the relative installation and fixation of the seat frame.

In one embodiment, a rotating groove 201 is opened in the middle of the upper end of the base 101, and an inner gear ring 202 is rotatably connected in the rotating groove 201. The upper end of the inner gear ring 202 is fixedly connected to the bottom of the base 102, and a first motor 203 is embedded and connected in the middle of the rotating groove 201. A first gear 204 is fixedly connected to the rotating shaft of the first motor 203, and a plurality of second gears 205 are meshingly connected to the first gear 204. The second gears 205 are rotatably connected in the rotating groove 201, and the second gears 205 are respectively meshingly connected with the inner gear ring 202. When in use, the first motor 203 drives the first gear 204 to rotate, and the first gear 204 drives the second gear 205 to rotate. The second gears 205 are evenly distributed around the first gear 204, and the second gears 205 are evenly distributed around the first gear 204. The second gear 205 meshes with the inner teeth of the inner gear ring 202, so that the inner gear ring 202 is driven to rotate relative to it through the second gear 205, and the base 102 is driven to rotate horizontally through the inner gear ring 202, so as to adjust the position of the relatively fixed seat frame on the base 102; a first groove ring 206 is provided on the base 101 at the outer periphery of the rotating groove 201, and a second groove ring 207 is provided at the lower end of the base 102. The first groove ring 206 and the second groove ring 207 are arranged opposite to each other, and a thrust bearing 208 is fixedly installed between the first groove ring 206 and the second groove ring 207. The thrust bearing 208 is used to support the base 102 and reduce friction during rotation. The thrust bearing 208 can withstand the axial load generated during rotation to ensure the smoothness of rotation and reduce wear.

In one embodiment, opposite sides of the support frame 103 are rotatably connected with a rotating shaft 301, and opposite sides of the rotating shaft 301 are fixedly connected with a first flange 302, and second flanges 303 are fixedly connected to both sides of the mounting frame 104, and the second flanges 303 are fixedly connected to the first flanges 302 by bolts, respectively. A first sprocket 304 is fixedly connected to one group of the rotating shafts 301, and the first sprocket 304 is rotatably connected in the support frame 103, and a second motor 305 is fixedly connected to one side of the lower end of the support frame 103, and the end of the rotating shaft of the second motor 305 is fixedly connected to the second sprocket 306 after passing through the support frame 103, and the second sprocket 306 is transmission-connected to the first sprocket 304 through a chain belt; another group of belts is rotatably connected to the support frame 103, and a transmission shaft 402 is fixedly connected to the rotating shaft of the third sprocket 401, and the transmission shaft 4 02 one end passes through the first flange 302 and the second flange 303 on the opposite side and then is rotatably connected in the mounting frame 104, a transmission gear 403 is fixedly connected to the transmission shaft 402 in the mounting frame 104, the transmission gear 403 is transmission-connected to the clamping mechanism 3, a third motor 404 is fixedly connected to one side of the lower end of the support frame 103, the rotating shaft of the third motor 404 passes through the support frame 103 and is fixedly connected to the fourth sprocket 405, the fourth sprocket 405 is transmission-connected to the third sprocket 401 through a chain belt; when in use, the second motor 305 drives the second sprocket 306 to rotate relative to each other, the second sprocket 306 drives the first sprocket 304 to rotate through the chain belt, the first sprocket 304 drives the rotating shaft 301 on one side to rotate, and drives the mounting frame 104 and the clamping mechanism 3 to flip through the rotating shaft 301, thereby adjusting the angle position of the seat frame to facilitate the welding operation of the seat frame.

In one embodiment, the clamping mechanism 3 includes a mounting plate 501, a support plate 502, a side support plate 503, a tooling plate 504, a clamping assembly 505, a lateral limit support 506, a front curved tube positioning support seat 507, a front transverse tube positioning support seat 508, and a rear transverse tube positioning support seat 509, wherein the front curved tube positioning support seat 507 is used for supporting and positioning the front curved tube of the seat frame, the front transverse tube positioning support seat 508 is used for supporting and positioning the front transverse tube of the seat frame, and the rear transverse tube positioning support seat 509 is used for positioning and supporting the rear transverse tube of the seat frame. The mounting frame 104 is a rectangular frame structure, and a plurality of support brackets 510 are fixedly connected on both sides of the upper end of the mounting frame 104. The mounting plate 501 is embedded and installed on the support bracket 510, and the lower end of the mounting plate 501 is fixedly connected with two groups of side support plates 503, and the side support plates 503 are respectively connected through The screws are fixed on the inner side of the mounting frame 104, and support plates 502 are fixedly connected on both sides of the upper end of the mounting plate 501, and a tooling plate 504 is fixedly connected on the upper end of the support plate 502. Clamping assemblies 505 are respectively installed on both sides of the tooling plate 504, and lateral limit supports 506 are installed on the tooling plate 504 between the clamping assemblies 505. A front curved tube positioning support seat 507, a front transverse tube positioning support seat 508, and a rear transverse tube positioning support seat 509 are sequentially installed in the middle of the tooling plate 504. When in use, the seat frame is accurately positioned by the front curved tube positioning support seat 507, the front transverse tube positioning support seat 508, and the rear transverse tube positioning support seat 509, and then the two sides of the seat frame are clamped and fixed by the clamping assembly 505, so as to ensure that the seat bracket will not move during welding, thereby improving the welding accuracy and rotating the drive shaft 402.

In one embodiment, the clamping assembly 505 includes a slide rail 601, a slide block 602, a slide plate 603, a sliding guide block 604, a force block 605, a fixed block 606, a guide block 607, a lower pressure plate 608, a linkage rod 609, a movable block 610, a force spring 611, a force rod 612, and a force plate 613. Two groups of slide rails 601 are fixedly connected to the mounting plate 501 between the support plates 502, and two groups of slide blocks 602 are slidably connected in the slide rails 601. The upper end of the slide block 602 is fixedly connected to the slide guide block 604. Slide holes 614 are respectively opened on the tooling plates 504 opposite to the slide guide blocks 604. The slide guide blocks 604 are slidably connected in the slide holes 614. The slide guide blocks 604 are fixedly connected to the slide plate 603 below the tooling plate 504. A linkage rod 609 is fixedly connected between the slide plates 603 on the same side. Plate 615, a driving block 616 is fixedly connected to the middle part of the lower end of the linkage plate 615, and the driving block 616 is threadedly connected to the bidirectional screw rod 617. The two ends of the bidirectional screw rod 617 are respectively rotatably connected to the support plate 502, and the middle part of the bidirectional screw rod 617 is fixedly connected to the driving gear 618, and the driving gear 618 is meshed with the transmission gear 403. The upper end of the sliding guide block 604 is fixedly connected to the force block 605, and a movable cavity is opened inside the force block 605. A movable block 610 is slidably connected in the movable cavity. One side of the movable block 610 is connected to the force spring 611, and the other end of the force spring 611 is connected to the inner wall of the movable cavity. One end of the force block 605 is fixedly connected to the fixed block 606, and the other end of the movable block 610 is fixedly connected to the force rod 612. The force rod 612 penetrates the fixed block 606 and is connected to the force plate 613. The upper end of the fixed block 606 A guide block 607 is fixedly connected, a lower pressure plate 608 is connected to the sliding sleeve on the guide block 607, and linkage rods 609 are rotatably connected on both sides of the lower pressure plate 608. Guide slots 619 are respectively provided on both sides of the force block 605, and rotating blocks 620 are slidably connected in the guide slots 619. The rotating blocks 620 are rotatably connected to both sides of the movable block 610, and the other ends of the linkage rods 609 are respectively fixedly connected to the rotating blocks 620; a side fixed plate 621 is fixedly connected to one side of the upper end of the guide block 607, and a sliding rod 622 is fixedly connected to the lower end of the side fixed plate 621. The lower end of the sliding rod 622 is fixedly connected to the force block 605, and one end of the lower pressure plate 608 is slidably connected to the sliding rod 622. When in use, the third motor 404 drives the fourth sprocket 405 to rotate, and the fourth sprocket 405 drives the third sprocket 401 to rotate through the chain belt, and the third sprocket 401 drives the transmission shaft 402 The transmission gear 403 is driven to rotate, and the transmission gear 403 drives the driving gear 618 to rotate. The driving gear 618 drives the bidirectional screw rod 617 to rotate. The bidirectional screw rod 617 drives the driving block 616 to move relative or apart. The driving block 616 drives the sliding guide block 604 and the slide block 602 to move relative to each other through the linkage plate 615. The sliding guide block 604 drives the force block 605 to move toward the seat frame, so that the force plate 613 is in conflict with both sides of the seat frame. At the same time, the movable block 610 slides relatively inside the movable cavity and compresses the force spring 611. During the movement of the movable block 610, the rotating blocks 620 on both sides are driven to move respectively. The rotating block 620 drives the lower pressure plate 608 to slide downward through the linkage rod 609, so that the lower pressure plate 608 is pressed tightly against the upper ends of both sides of the seat frame, thereby realizing the relative fixation of the seat frame for easy welding operation.

In one of the embodiments, a plurality of welding positioning points 623 are fixedly connected to the upper end of the tooling plate 504. During welding, the welding head at the end of the automated welding robot arm 1 contacts the welding positioning points 623 in turn, thereby confirming the position of the relevant position of the upper end of the tooling plate 504 to ensure that the seat frame can be accurately welded subsequently.

It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims (9)

1. The utility model provides a welding frock of car seat skeleton, includes automatic welding arm (1), multiaxis rotary platform (2), fixture (3), its characterized in that: the automatic welding device comprises a multi-shaft rotating platform (2), and is characterized in that one side of the multi-shaft rotating platform (2) is fixedly connected with an installing table (4), the upper end of the installing table (4) is fixedly connected with an automatic welding mechanical arm (1), a clamping mechanism (3) is installed on the multi-shaft rotating platform (2), the multi-shaft rotating platform (2) comprises a base table (101), a base table (102), a supporting frame (103) and a mounting frame (104), one side of the installing table (4) is fixedly connected with the base table (101), the upper end of the base table (101) is rotationally connected with the base table (102), two groups of symmetrical supporting frames (103) are fixedly connected with the upper end of the base table (102), and the mounting frame (104) is rotationally connected between the supporting frames (103), and the clamping mechanism (3) is fixedly connected in the mounting frame (104).

2. The welding fixture of an automobile seat frame according to claim 1, wherein: the novel rotary table is characterized in that a rotary groove (201) is formed in the middle of the upper end of the table (101), an inner gear ring (202) is rotationally connected to the rotary groove (201), the upper end of the inner gear ring (202) is fixedly connected with the bottom of the base table (102), a first motor (203) is fixedly connected to the middle of the rotary groove (201), a first gear (204) is fixedly connected to a rotating shaft of the first motor (203), a plurality of second gears (205) are connected to the first gear (204) in a meshed mode, the second gears (205) are rotationally connected to the rotary groove (201), and the second gears (205) are respectively connected with the inner gear ring (202) in a meshed mode.

3. The welding fixture of an automobile seat frame according to claim 2, wherein: the novel rotary groove is characterized in that a first groove ring (206) is arranged on the bottom table (101) on the periphery of the rotary groove (201), a second groove ring (207) is arranged at the lower end of the base table (102), the first groove ring (206) and the second groove ring (207) are oppositely arranged, and a thrust bearing (208) is fixedly arranged between the first groove ring (206) and the second groove ring (207).

4. The welding fixture of an automobile seat frame according to claim 1, wherein: the utility model discloses a motor, including support frame (103), mounting bracket (104), first flange (302) of opposite side rotation connection respectively, the opposite side of rotation shaft (301) is fixedly connected with first flange (302) respectively, mounting bracket (104) both sides fixedly connected with second flange (303), second flange (303) are through bolt and first flange (302) fixed connection respectively, wherein a set of rotation shaft (301) on fixedly connected with first sprocket (304), first sprocket (304) rotate to be connected in support frame (103), lower extreme one side fixedly connected with second motor (305) of support frame (103), the pivot end of second motor (305) penetrates in support frame (103) back fixedly connected with second sprocket (306), second sprocket (306) are connected with first sprocket (304) transmission through the chain belt.

5. The welding fixture of an automobile seat frame according to claim 4, wherein: another group support frame (103) internal rotation be connected with third sprocket (401), fixedly connected with transmission shaft (402) in the pivot of third sprocket (401), rotation connection is in mounting bracket (104) behind first flange (302) and second flange (303) of opposite one side are passed to transmission shaft (402) one end, fixedly connected with drive gear (403) on transmission shaft (402) in mounting bracket (104), drive gear (403) are connected with fixture (3) transmission, support frame (103) lower extreme one side fixedly connected with third motor (404), fixedly connected with fourth sprocket (405) behind the pivot of third motor (404) penetrating in support frame (103), fourth sprocket (405) pass through chain belt and third sprocket (401) transmission connection.

6. The welding fixture of an automobile seat frame according to claim 1, wherein: clamping mechanism (3) are including mounting panel (501), backup pad (502), side board (503), frock board (504), clamping assembly (505), side limit support (506), preceding return bend location supporting seat (507), preceding violently pipe location supporting seat (508), back violently pipe location supporting seat (509), mounting bracket (104) are rectangle frame construction, a plurality of support brackets (510) of fixedly connected with respectively in mounting bracket (104) upper end both sides, mounting panel (501) are inlayed and are installed on support bracket (510), mounting panel (501) lower extreme fixedly connected with two sets of side board (503), side board (503) are respectively through the screw fixation at mounting bracket (104) inboard, mounting panel (501) upper end both sides fixedly connected with backup pad (502), backup pad (502) upper end fixedly connected with frock board (504), clamping assembly (505) are installed respectively in both sides, install side limit support (506) on frock board (504) between clamping assembly (505), frock board (504) middle part support seat (508) are installed in proper order before the return bend location supporting seat (509), and are violently managed location supporting seat (509).

7. The welding fixture of an automobile seat frame according to claim 6, wherein: the clamping assembly (505) comprises a chute rail (601), chute blocks (602), chute plates (603), sliding guide blocks (604), a stress block (605), a fixed block (606), a guide block (607), a lower pressure plate (608), a linkage rod (609), a movable block (610), a stress spring (611), a stress rod (612) and a stress plate (613), wherein two groups of chute rails (601) are respectively and fixedly connected with the mounting plate (501) between the support plates (502), two groups of chute blocks (602) are respectively and slidingly connected in the chute rails (601), the upper ends of the chute blocks (602) are fixedly connected with the sliding guide blocks (604), the opposite tooling plates (504) of the sliding guide blocks (604) are respectively provided with a sliding slot hole (614), the sliding guide blocks (604) below the tooling plates (504) are respectively and slidingly connected with the chute plates (603), the sliding guide plates (615) are fixedly connected between the chute plates (603) on the same side, the lower ends of the middle linkage plates (615) are respectively and fixedly connected with the driving screw rods (616) on two-way screw rods (616), the middle part of the bidirectional screw rod (617) is fixedly connected with a driving gear (618), the driving gear (618) is in meshed connection with a transmission gear (403), the upper end of the sliding guide block (604) is fixedly connected with a stress block (605), a movable cavity is formed in the stress block (605), the movable block (610) is connected in a sliding manner in the movable cavity, one side of the movable block (610) is in abutting connection with a stress spring (611), the other end of the stress spring (611) is in abutting connection with the inner wall of the movable cavity, one end of the stress block (605) is fixedly connected with a fixed block (606), the other end of the movable block (610) is fixedly connected with a stress rod (612), the stress rod (612) penetrates through the fixed block (606) and then is connected with a stress plate (613), the upper end of the fixed block (606) is fixedly connected with a guide block (607), the upper sliding sleeve of the guide block (607) is connected with a lower pressure plate (608), two sides of the lower pressure plate (608) are respectively and rotatably connected with a guide rod (609), two sides of the stress block (605) are respectively provided with guide slots (620), the two sides of the guide block (605) are rotatably connected with two slide blocks (619) respectively, the other ends of the two linkage rods (609) are fixedly connected with the rotating blocks (620) respectively.

8. The welding fixture of an automobile seat frame according to claim 7, wherein: the guide block (607) upper end one side fixedly connected with side fixed plate (621), side fixed plate (621) lower extreme fixedly connected with slide bar (622), slide bar (622) lower extreme and atress piece (605) fixed connection, holding down plate (608) one end sliding connection is on slide bar (622).

9. The welding fixture of an automobile seat frame according to claim 8, wherein: and a plurality of welding positioning points (623) are fixedly connected to the upper end of the tooling plate (504).