Automobile seat part welding clamp

Abstract

The utility model discloses an automobile seat part welding clamp which comprises a clamp base, a first lifting stand column, a first lifting clamp, a lead screw movement mechanism, a movable frame, a second lifting stand column and a second lifting clamp. The first lifting stand column is fixed to one side of the clamp base. The first lifting clamp slides on the first lifting stand column in a lifting mode, and the first lifting clamp can be fixed at any height position on the first lifting stand column. The second lifting stand column is fixed to the movable frame. The movable frame slides on one side of the clamp base in the horizontal direction through a lead screw movement mechanism. The second lifting clamp can lift and slide on the second lifting stand column and can be fixed at any height position on the second lifting stand column; the first workpiece clamp and the second workpiece clamp respectively clamp two welded parts; the clamp can be used for welding various automobile parts with different sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary equipment for the production and processing of automobile parts, and particularly relates to a welding fixture for automobile seat parts. Background Technique

[0002] An automobile part welding fixture refers to a device used to fix a processing object during the mechanical manufacturing process, so that it occupies a correct position to facilitate the welding operation. There are many sheet parts to be welded on an automobile. When welding, two components need to be clamped. The clamping fixtures on both sides of the existing fixture tooling are fixed brackets and cannot be adjusted according to the workpiece to be welded, which affects the welding effect and also makes the versatility of the fixture tooling poor. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems, and provide a welding fixture for automobile seat parts.

[0004] A welding fixture for automobile seat parts includes: a fixture base, a first lifting column, a first lifting clamp, a lead screw movement mechanism, a moving frame, a second lifting column, and a second lifting clamp; the first lifting column is fixed on one side of the fixture base; the first lifting clamp includes: a first lifting plate, a first lifting clamp locking mechanism, and a first workpiece clamp; the first lifting clamp locking mechanism is arranged below the first lifting plate; the first workpiece clamp is arranged on one side of the first lifting plate; the first lifting plate 31 slides up and down on the first lifting column; the first lifting plate is fixed at any position on the first lifting column through the first lifting clamp locking mechanism; on the upper end surface of the other side of the fixture base, there are a T-shaped chute and a lead screw chute; the lead screw movement mechanism is arranged at the lead screw chute; the second lifting clamp includes: a second lifting plate, a second lifting clamp locking mechanism, and a second workpiece clamp; the second lifting clamp locking mechanism is arranged below the second lifting plate; the second workpiece clamp is arranged on one side of the second lifting plate; the second lifting plate 71 slides up and down on the second lifting column; the second lifting column is fixed on the upper end surface of the moving frame; the lead screw movement mechanism drives the second workpiece clamp to slide horizontally along the T-shaped chute; the first workpiece clamp and the second workpiece clamp respectively clamp two workpieces to be welded.

[0005] The fixture base includes: a table board and support feet; there are two support feet, and the two support feet are arranged on both sides of the lower end surface of the table board; on the upper end surface of one side of the table board, there are several threaded holes; the T-shaped chute and the lead screw chute are arranged on the upper end surface of the other side of the table board; on one side of the lead screw chute, there is a lead screw shaft connection part, and on the other side of the lead screw chute, there is a lead screw shaft pressing block.

[0006] There are two T-shaped chutes and one lead screw chute; the lead screw chute is arranged between the two T-shaped chutes; the two T-shaped chutes and one lead screw chute are parallel to each other.

[0007] The first lifting column and the second lifting column have the same structure; the first lifting clamp and the second lifting clamp have exactly the same structure.

[0008] The described first lifting column includes: a first column rod and a first cross beam; there are two first column rods, and the structures of the two first column rods are the same. The lower parts of the two first column rods are fixedly connected by the first cross beam; the two first column rods are octagonal prisms, and a first column connecting plate is provided at the lower end of the first column rod. The first column connecting plate is fixedly locked at the threaded hole by screws; a number of positioning pin holes are provided on the first column rod; the number of positioning pin holes is arranged in an array in the vertical direction, and the axis lines of the number of positioning pin holes are parallel to each other.

[0009] The described first lifting clamping and locking mechanism includes: a locking bracket, a left linkage rod, a left linkage rack, a right linkage rod, a right linkage rack, a linkage gear, a tension spring, and a pulling linkage rod; the left linkage rod and the right linkage rod are arranged on both sides of the locking bracket; the left linkage rod and the right linkage rod are connected by the tension spring; the left linkage rack is fixed on the left linkage rod; the right linkage rack is fixed on the right linkage rod; the left linkage rack and the right linkage rack are meshed and driven by the linkage gear; lock pins are provided at both ends of the left linkage rod and the right linkage rod; the lock pins on the left linkage rod and the lock pins on the right linkage rod are opposite to each other; the pulling linkage rod drives the lock pins on the two linkage rods to be clamped in the positioning pin holes or the lock pins on the two linkage rods to be disengaged from the positioning pin holes.

[0010] The described lead screw movement mechanism includes: a lead screw, a nut, and a handwheel; one end of the lead screw is axially connected in the lead screw axial connection part; the other end of the lead screw is axially connected in the lead screw axial pressing block; the handwheel is fixed at the end of the other end of the lead screw; T-shaped sliders are provided on both sides of the lower end surface of the moving frame; the nut is arranged between the two T-shaped sliders; the nut is sleeved on the lead screw.

[0011] This technical solution provides a welding fixture for automobile seat parts, including: a fixture base, a first lifting column, a first lifting clamp, a lead screw movement mechanism, a moving frame, a second lifting column, and a second lifting clamp; the described first lifting column is fixed on one side of the fixture base; the first lifting clamp slides up and down on the first lifting column, and the first lifting clamp can be fixed at any height position on the first lifting column; the second lifting column is fixed on the moving frame; the moving frame slides horizontally on one side of the fixture base through the lead screw movement mechanism; the second lifting clamp can slide up and down on the second lifting column, and the second lifting clamp can be fixed at any height position on the second lifting column; the first workpiece clamp and the second workpiece clamp respectively clamp two workpieces to be welded; this fixture can be used for welding automobile parts of various different sizes. Brief Description of the Drawings

[0012] Figure 1 is an overall schematic diagram of a welding fixture for automobile seat parts of the present utility model;

[0013] Figure 2 is a schematic diagram of the base structure of a welding fixture for automobile seat parts of the present utility model;

[0014] Figure 3 It is a schematic diagram of the first lifting clamp structure of a welding fixture for an automobile seat part of the present utility model;

[0015] Figure 4 It is a schematic diagram of the first lifting clamp locking structure of a welding fixture for an automobile seat part of the present utility model;

[0016] Figure 5 It is a schematic diagram of the second lifting clamp locking structure of a welding fixture for an automobile seat part of the present utility model. Specific embodiments

[0017] Next, in combination with the attached drawings of the technical solution, the technical solution will be further clearly and completely described. The described embodiments are only a part of the technical solution, rather than all the embodiments. Based on the present technical solution, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0018] See Figures 1 to 5 As shown, a welding fixture for an automobile seat part includes: a fixture base 1, a first lifting column 2, a first lifting clamp 3, a lead screw motion mechanism, a moving frame 5, a second lifting column 6, and a second lifting clamp 7;

[0019] The described fixture base 1 includes: a table board 11 and support feet 12; there are two support feet 12, and the two support feet 12 are arranged on both sides of the lower end surface of the table board 11;

[0020] On one side of the upper end surface of the table board 11, there are a number of threaded holes 111, and on the other side of the upper end surface, there are a T-shaped sliding groove 112 and a lead screw groove 113;

[0021] There are two T-shaped sliding grooves 112 and one lead screw groove 113; the lead screw groove 113 is arranged between the two T-shaped sliding grooves 112; the two T-shaped sliding grooves 112 and one lead screw groove 113 are parallel to each other;

[0022] On one side of the lead screw groove 113, there is a lead screw shaft connecting part 114, and on the other side of the lead screw groove 113, there is a lead screw shaft pressing block 115;

[0023] The lead screw shaft connecting part 114 is fixed on one side of the lead screw groove 113 by welding; the lead screw shaft pressing block 115 is fixed at the end of the lead screw groove 113 by screwing with a pressing block screw 1151.

[0024] The described first lifting column 2 includes: a first column rod 21 and a first cross beam 22; there are two first column rods 21, the two first column rods 21 have the same structure, and the lower parts of the two first column rods 21 are fixedly connected by the first cross beam 22;

[0025] At the lower ends of both of the two first upright rods 21, there are first upright connecting plates 211. Screw through holes are provided on the first upright connecting plates 211, and the first upright connecting plates 211 are fixedly locked at the threaded holes 111 by screws;

[0026] That is, the two first upright rods 21 are fixed on the table board 11 and fixedly connected by the first cross beam 22;

[0027] The first upright rod 21 is an octagonal prism. A number of positioning pin holes 212 are provided on the first upright rod 21. The number of positioning pin holes 212 is arranged in an array in the vertical direction, and the axis lines of the number of positioning pin holes 212 are parallel to each other.

[0028] The first lifting clamp 3 includes: a first lifting plate 31, a first lifting clamp locking mechanism 32, and a first workpiece clamp 33; the first lifting clamp locking mechanism 32 is arranged below the first lifting plate 31; the first workpiece clamp 33 is arranged on one side of the first lifting plate 31.

[0029] Column through holes 311 are provided on both sides of the first lifting plate 31; the column through holes 311 on both sides are respectively sleeved on the two first upright rods 21;

[0030] The first lifting clamp locking mechanism 32 includes: a locking bracket 321, a left linkage rod 322, a left linkage rack 323, a right linkage rod 324, a right linkage rack 325, a linkage gear 326, a tension spring 327, and a pulling linkage rod 328;

[0031] The locking bracket 321 is fixedly locked on the lower end face of the first lifting plate 31 by bolts; wing plates 3211 are provided on both sides of the locking bracket 321, and the left linkage rod 322 and the right linkage rod 324 are respectively arranged on the two wing plates 3211;

[0032] Left locking pins 3221 are provided at both end parts on both sides of the left linkage rod 322; left connecting ear rings 3222 are provided beside the two left locking pins 3221; left slide rod through holes 3223 are provided beside the left connecting ear rings 3222 on both sides; one left linkage rack 323 is provided beside each of the 2 left slide rod through holes 3222;

[0033] Right locking pins 3241 are provided at both end parts on both sides of the right linkage rod 324; right connecting ear rings 3242 are provided beside the two right locking pins 3241; right slide rod through holes are provided beside the right connecting ear rings 3242 on both sides; one right linkage rack 325 is provided beside each of the 2 right slide rod through holes;

[0034] The left connecting ear ring 3222 and the right connecting ear ring 3242 are connected by the tension spring 327; the axis lines of the left locking pin 3221 and the right locking pin 3241 coincide; the left locking pin 3221 and the right locking pin 3241 can be on both sides of the positioning pin hole 212;

[0035] A sliding rod is provided on the left interlocking rack 323, and the sliding rod of the left interlocking rack 323 is sleeved in the through hole of the right sliding rod; the two right interlocking racks 325 are connected by a pulling link 328; both ends of the pulling link 328 are sleeved in the through hole 3223 of the left sliding rod; an interlocking gear 326 is provided between the left interlocking racks 323 and the right interlocking racks 325 on both sides, and the interlocking gear 326 is fixed below the first lifting plate 31 through a gear shaft; the left interlocking rack 323 and the right interlocking rack 325 are in meshing transmission through the interlocking gear 326;

[0036] The left interlocking rod 322 and the right interlocking rod 324 are relatively clamped by a tension spring 327, so that the left locking pin 3221 and the right locking pin 3241 are simultaneously clamped in the positioning pin hole 212; pushing the pulling link 328 makes the left interlocking rod 322 and the right interlocking rod 324 move away from each other, so that the left locking pin 3221 and the right locking pin 3241 are disengaged from the positioning pin hole 212.

[0037] At least two first workpiece clamps 33 are provided, and the two first workpiece clamps 33 have the same structure.

[0038] The lead screw motion mechanism includes: a lead screw 41, a nut 42, and a handwheel 43;

[0039] Both ends of the lead screw 41 are provided with optical axes, and the optical axis at one end of the lead screw 41 is pivotally connected in the lead screw pivoting portion 114; the optical axis at the other end of the lead screw 41 is pivotally connected in the lead screw pressing block 115; the handwheel 43 is fixed at the end of the other end of the lead screw 41;

[0040] T-shaped sliders 51 are provided on both sides of the lower end surface of the moving frame 5; the nut 42 is arranged between the two T-shaped sliders 51; the nut 42 is sleeved on the lead screw 41;

[0041] The second lifting column 6 is fixed on the upper end surface of the moving frame 5; the second lifting clamp 7 is arranged on the second lifting column 6; rotating the handwheel 43 drives the moving frame 5 to move linearly on the T-shaped sliding groove 112; that is, the lead screw motion mechanism drives the second lifting clamp 7 to move horizontally;

[0042] The first lifting column 2 and the second lifting column 6 have the same structure; the first lifting clamp 3 and the second lifting clamp 7 have exactly the same structure;

[0043] The second lifting column 6 includes: a second column rod 61 and a second cross beam 62; there are two second column rods 61, and the two second column rods 61 have the same structure. The two second column rods 61 are fixedly connected by the second cross beam 22 below; the lower part of the second column rod 61 is fixed on the upper end surface of the moving frame 5.

[0044] The described second lifting clamp 7 includes: a second lifting plate 71, a second lifting clamp locking mechanism 72, and a second workpiece clamp 73; the second lifting clamp locking mechanism 72 is arranged below the second lifting plate 71; the second workpiece clamp 73 is arranged on one side of the second lifting plate 71; through holes for columns are provided on both sides of the second lifting plate 71; the through holes for columns on both sides of the second lifting plate 71 are respectively sleeved on two second column rods 71.

Claims

1. A welding fixture for automobile seat parts, comprising: A fixture base (1), a first lifting column (2), a first lifting clamp (3), a screw movement mechanism, a moving frame (5), a second lifting column (6), and a second lifting clamp (7); characterized in that: the first lifting column (2) is fixed to one side of the fixture base (1); the first lifting clamp (3) comprises: a first lifting plate (31), a first lifting clamp locking mechanism (32), and a first workpiece clamp (33); the first lifting clamp locking mechanism (32) is arranged below the first lifting plate (31); the first workpiece clamp (33) is arranged on one side of the first lifting plate (31); the first lifting plate (31) is lifted and slid on the first lifting column (2); the first lifting plate (31) is fixed to any position of the first lifting column (2) through the first lifting clamp locking mechanism (32); the clamp The upper end surface of the other side of the tool base (1) is provided with a T-shaped slide groove (112) and a screw groove (113); the screw movement mechanism is arranged at the screw groove (113); the second lifting clamp (7) comprises: a second lifting plate (71), a second lifting clamp locking mechanism (72), and a second workpiece clamp (73); the second lifting clamp locking mechanism (72) is arranged below the second lifting plate (71); the second workpiece clamp (73) is arranged on one side of the second lifting plate (71); the second lifting plate (71) is lifted and slid on the second lifting column (6); the second lifting column (6) is fixed to the upper end surface of the moving frame (5); the screw movement mechanism drives the second workpiece clamp (73) to slide horizontally along the T-shaped slide groove (112); the first workpiece clamp (33) and the second workpiece clamp (73) respectively clamp two welded parts.

2. The automobile seat parts welding fixture according to claim 1 is characterized in that: The clamp base (1) comprises: a table (11) and a support foot (12); two support feet (12) are provided, and the two support feet (12) are provided on both sides of the lower end surface of the table (11); a plurality of threaded holes (111) are provided on the upper end surface of one side of the table (11); a T-shaped slide groove (112) and a screw groove (113) are provided on the upper end surface of the other side of the table (11); a screw shaft connection portion (114) is provided on one side of the screw groove (113), and a screw shaft pressure block (115) is provided on the other side of the screw groove (113).

3. The automobile seat parts welding fixture according to claim 2 is characterized in that: There are two T-shaped slide grooves (112) and one lead screw groove (113); the lead screw groove (113) is arranged between the two T-shaped slide grooves (112); the two T-shaped slide grooves (112) and the one lead screw groove (113) are parallel to each other.

4. The automobile seat parts welding fixture according to claim 3 is characterized in that: The first lifting column (2) and the second lifting column (6) have the same structure; the first lifting clamp (3) and the second lifting clamp (7) have exactly the same structure.

5. The automobile seat parts welding fixture according to claim 4, characterized in that: The first lifting column (2) comprises: a first column rod (21) and a first cross beam (22); two first column rods (21) are provided, the two first column rods (21) have the same structure, and the two first column rods (21) are fixedly connected at the bottom by the first cross beam (22); the two first column rods (21) are octagonal columns, and the lower ends of the first column rods (21) are provided with first column connecting plates (211), and the first column connecting plates (211) are fixed to the threaded holes (111) by screw locking; a plurality of positioning pin holes (212) are provided on the first column rod (21); the plurality of positioning pin holes (212) are arranged in an array along a vertical direction, and the axis lines of the plurality of positioning pin holes (212) are parallel to each other.

6. The automobile seat parts welding fixture according to claim 5, characterized in that: The first lifting clamp locking mechanism (32) comprises: a locking bracket (321), a left linkage rod (322), a left linkage rack (323), a right linkage rod (324), a right linkage rack (325), a linkage gear (326), a tension spring (327), and a pulling connecting rod (328); the left linkage rod (322) and the right linkage rod (324) are arranged on both sides of the locking bracket (321); the left linkage rod (322) and the right linkage rod (324) are connected by a tension spring (327); the left linkage rack (323) is fixed to the left linkage rack The left and right connecting rods (322) are connected to the right connecting rod (324); the right connecting rack (325) is fixed on the right connecting rod (324); the left connecting rack (323) and the right connecting rack (325) are meshed and transmitted through the connecting gear (326); locking pins are provided at both ends of the left connecting rod (322) and the right connecting rod (324); the locking pin on the left connecting rod (322) and the locking pin on the right connecting rod (324) are opposite to each other; the connecting rod (328) is pulled to drive the locking pins on the two connecting rods to be fixed in the positioning pin holes (212) or the locking pins on the two connecting rods to be separated from the positioning pin holes (212).

7. The automobile seat parts welding fixture according to claim 6, characterized in that: The screw movement mechanism comprises: a screw (41), a nut (42), and a handwheel (43); the shaft at one end of the screw (41) is connected to the screw shaft connection portion (114); the other end of the screw (41) is connected to the screw shaft pressure block (115); the handwheel (43) is fixed to the other end of the screw (41); T-shaped sliders (51) are provided on both sides of the lower end surface of the moving frame (5); the nut (42) is provided between the two T-shaped sliders (51); and the nut (42) is sleeved on the screw (41).

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