Automobile seat backrest welding tool

Abstract

The utility model relates to the technical field of automobile seat welding tools, in particular to an automobile seat backrest welding tool which comprises a fixed seat and further comprises a rotating seat hinged to the top of the fixed seat, a mounting groove is formed in the rotating seat, a deflection arm is hinged to the interior of the mounting groove, and the deflection arm is hinged to the top of the rotating seat. The driving part is used for driving the rotating base to deflect, the driving piece is used for driving the deflection arm to deflect, the deflection face of the deflection arm is always perpendicular to the deflection face of the rotating base, and the welding table is arranged at the free end of the deflection arm. According to the utility model, the driving part and the driving piece are used for respectively driving the deflection angles of the rotating seat and the deflection arm in the three-dimensional space, and the welding table is rotationally arranged at the free end of the deflection arm, so that the circumferential position of the welding table can be adjusted in the circumferential direction of the table surface of the welding table under the condition that the deflection arm is fixed and the standing position is not changed; and the efficiency of finding various welding angles by welding personnel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile seat welding tooling, especially relates to a backrest welding tooling for automobile seat. BACKGROUND

[0002] The automobile seat framework is the core component of the automobile seat, which is usually composed of metal pipes, steel plates, welding parts, etc. In the production process of the automobile seat framework, the welding operation of the seat framework is an important link, which usually needs to use a welding tooling to fix the framework during welding. However, the welding tooling is difficult to change the position in the horizontal direction during use, and the adjustment effect is not good.

[0003] To solve the above technical problems, the existing patent application number: 202322693263.2 discloses an angle adjusting structure for automobile seat framework assembly welding clamp. The device can adjust the position of the fixed plate in the horizontal direction through the cooperation of the slide rails one and two, and realize the driving rotation of the rotating seat and the fixed plate in the horizontal direction by the power transmission of the motor one, pinion and gear, which is convenient for welding operation. In the above prior art, the position of the fixed plate needs to be adjusted several times to realize the circumferential adjustment of the position of the fixed plate without changing the welding station of the welding personnel, and the angle adjusting flexibility in the three-dimensional space is relatively poor and has a great influence on the overall welding efficiency of the seat backrest. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a backrest welding tooling for automobile seat to solve the problem of relatively poor angle adjusting flexibility in the three-dimensional space.

[0005] Based on the above purpose, the utility model provides a backrest welding tooling for automobile seat, which comprises a fixed seat, and further comprises:

[0006] A rotating seat hinged to the top of the fixed seat, wherein an installation groove is arranged on the rotating seat, and a deflection arm is hinged in the installation groove.

[0007] A driving part for driving the deflection of the rotating seat.

[0008] A driving part for driving the deflection of the deflection arm, and the deflection surface of the deflection arm is always perpendicular to the deflection surface of the rotating seat.

[0009] A welding table arranged on the free end of the deflection arm.

[0010] A rotating part for driving the rotation of the welding table.

[0011] A plurality of clamping parts detachably installed on the top of the welding table.

[0012] Preferably, the bottom of the rotating seat is a semicircular arc surface, and the deflection axis of the rotating seat is in the same vertical plane as the axis of the deflection arm.

[0013] Preferably, the driving part comprises a lower half-tooth fixed on the rotating seat.

[0014] A lower rack is slidably arranged between the lower half-tooth and the top of the fixed seat, and the tooth surface of the lower rack is engaged with the tooth surface of the lower half-tooth.

[0015] A guide is arranged between the bottom of the lower rack and the top of the fixed seat.

[0016] A lower telescopic cylinder is arranged for pushing the lower rack to move linearly and reciprocally.

[0017] Preferably, the guide comprises a guide strip fixed on the top of the fixed seat, the bottom of the lower rack is provided with a guide groove, and the top of the guide strip is slidably sleeved in the guide groove.

[0018] Preferably, the driving part comprises a guide sliding groove arranged in the mounting groove.

[0019] An upper rack is slidably arranged in the guide sliding groove.

[0020] An upper telescopic cylinder is fixed in the guide sliding groove, and the upper telescopic cylinder is arranged for pushing the upper rack to move linearly and reciprocally.

[0021] An upper half-tooth is fixed on the bottom of the deflection arm, and the tooth surface of the upper half-tooth is engaged with the tooth surface of the upper rack.

[0022] Preferably, the upper rack is located between the upper telescopic cylinder and the upper half-tooth, and the moving direction of the upper rack is consistent with the axial direction of the rotating seat.

[0023] Preferably, the rotating part comprises a support table fixed on the outside of the deflection arm, a driving motor is fixed on the support table, a tooth ring is fixed on the bottom of the welding table, a transmission gear is fixed on the output end of the driving motor, and the tooth surface of the transmission gear is engaged with the tooth surface of the tooth ring.

[0024] Preferably, the clamping part comprises a plurality of screw holes uniformly arranged on the top of the welding table, a first clamp is threadedly connected in each of two screw holes, and a second clamp is threadedly connected in each of the other two screw holes.

[0025] The utility model discloses the beneficial effects of:

[0026] The utility model discloses a drive part and driving part drive rotating seat and deflection arm's deflection angle in three -dimensional space respectively, and then cooperate with the welding platform rotation setting on the free end of deflection arm, so can adjust the circumferential position of welding platform on the periphery of the platform of welding platform under the condition that deflection arm is immobile and station is invariable, improve the efficiency that the welding personnel looks for various welding angle, and can freely adjust the platform inclination angle and deflection angle of welding platform under the condition that the standing position of welding personnel is invariable, can also adjust the rotation angle of welding platform on the periphery of the platform of welding platform, and make the platform of welding platform always face the welding personnel, improve the angle adjustment flexibility of the platform of welding platform in three -dimensional space. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to make the technical scheme of the utility model or the prior art more clearly, the following will briefly introduce the drawing needed to be used in the embodiment or the prior art description, obviously, the drawing in the following description is only the utility model, and the person skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0028] Figure 1 For the three-dimensional schematic diagram of the utility model Figure 1 ;

[0029] Figure 2 For the three-dimensional schematic diagram of the utility model Figure 2 ;

[0030] Figure 3 For the three-dimensional schematic diagram of the utility model Figure 3 ;

[0031] Figure 4 For the three-dimensional schematic diagram of the utility model Figure 4 .

[0032] Marked as in the drawing:

[0033] 1, fixed seat, 2, rotating seat, 3, drive part, 31, lower rack, 32, lower telescopic cylinder, 33, lower half tooth, 34, guide, 4, installation groove, 5, deflection arm, 6, driving part, 61, guide sliding slot, 62, upper rack, 63, upper telescopic cylinder, 64, upper half tooth, 7, clamping part, 71, screw hole, 72, first clamp, 73, second clamp, 8, rotating part, 9, welding platform. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following will be further detailed to the utility model in combination with specific embodiment.

[0035] It should be noted that, unless otherwise defined, technical or scientific terms used in the present application should be understood as their common meanings to those skilled in the art to which the present application belongs. The terms "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationships, which may change accordingly when the absolute position of the described object changes.

[0036] As shown in Figures 1 to 4 An automobile seat back welding tool, comprising a fixed seat 1, the automobile seat back welding tool further comprises:

[0037] A rotating seat 2 hinged to the top of the fixed seat 1, the rotating seat 2 is provided with a mounting groove 4, and the inside of the mounting groove 4 is hinged with a deflection arm 5.

[0038] A driving part 3 for driving the deflection of the rotating seat 2.

[0039] A driving part 6 for driving the deflection of the deflection arm 5, and the deflection surface of the deflection arm 5 is always perpendicular to the deflection surface of the rotating seat 2.

[0040] A welding table 9 provided on the free end of the deflection arm 5, when the driving part 3 drives the deflection of the rotating seat 2, it will drive the deflection arm 5 and the welding table 9 to deflect synchronously, when the driving part 6 drives the deflection of the deflection arm 5, the deflection arm 5 drives the welding table 9 to deflect synchronously in the vertical plane perpendicular to the deflection surface of the rotating seat 2.

[0041] A rotating part 8 for driving the rotation of the welding table 9, the rotating part 8 comprises a support table fixed to the outside of the deflection arm 5, a driving motor is fixedly arranged on the support table, a gear ring is fixedly arranged on the bottom of the welding table 9, a transmission gear is fixedly arranged on the output end of the driving motor, the tooth surface of the transmission gear is engaged with the tooth surface of the gear ring, finally the welding table 9 is driven to rotate by controlling the rotating part 8, the position of the welding table 9 in the circumferential direction is adjusted, and the three kinds of adjustment operations cooperate with each other, so that the orientation angle of the welding table 9 in the three-dimensional space can be flexibly adjusted without changing the standing position of the welder, so as to facilitate the welder to quickly determine the welding points in different positions and orientations, and ensure the normal operation of the welding operation.

[0042] A plurality of clamping parts 7 are detachably installed on the top of the welding table 9, and are used in cooperation with each other to limit and fix the U-shaped pipe as the backrest of the automobile seat, so as to avoid shaking of the U-shaped pipe during welding operation, and to affect the welding precision and effect.

[0043] As shown in Figures 1 to 4 , the bottom of the rotating seat 2 is a semicircular arc surface, and the deflection axis of the rotating seat 2 and the axis of the deflection arm 5 are located in the same vertical plane, so that the space occupation of the driving part 3 and the driving part 6 can be reduced.

[0044] As shown in Figure 3 and Figure 4 , the driving part 3 includes a lower half tooth 33 fixedly arranged on the rotating seat 2.

[0045] A lower rack 31 is slidingly arranged between the lower half tooth 33 and the top of the fixed seat 1, and the tooth surface of the lower rack 31 is engaged with the tooth surface of the lower half tooth 33.

[0046] A guide 34 is arranged between the bottom of the lower rack 31 and the top of the fixed seat 1, the guide 34 includes a guide strip fixedly arranged on the top of the fixed seat 1, and the bottom of the lower rack 31 is provided with a guide groove, the top of the guide strip is slidingly sleeved in the inside of the guide groove, and the guide 34 cooperates with the lower half tooth 33 to restrict the degree of freedom of the lower rack 31, so that the lower rack 31 can move linearly and reciprocally in the extension direction of the lower extension cylinder 32, and the stability of the deflection angle control of the rotating seat 2 is improved.

[0047] The lower extension cylinder 32 is used to push the lower rack 31 to move linearly and reciprocally.

[0048] As shown in Figure 3 and Figure 4 , the driving part 6 includes a guide sliding groove 61 arranged in the mounting groove 4.

[0049] An upper rack 62 is slidingly arranged in the inside of the guide sliding groove 61.

[0050] An upper extension cylinder 63 is fixedly arranged in the guide sliding groove 61, and the upper extension cylinder 63 is used to push the upper rack 62 to move linearly and reciprocally.

[0051] An upper half tooth 64 is fixedly arranged at the bottom of the deflection arm 5, and the tooth surface of the upper half tooth 64 is engaged with the tooth surface of the upper rack 62.

[0052] The upper rack 62 is located between the upper extension cylinder 63 and the upper half tooth 64, and the moving direction of the upper rack 62 is consistent with the axial direction of the rotating seat 2, so that the deflection direction and the deflection angle of the deflection arm 5 can be controlled by controlling the extension of the upper extension cylinder 63.

[0053] As shown in Figures 2 to 4As shown, the clamping part 7 includes a plurality of screw holes 71 uniformly arranged on the top of the welding table 9, two screw holes 71 are threadedly connected with the first clamp 72, and the other two screw holes 71 are threadedly connected with the second clamp 73, the first clamp 72 includes a threaded rod threadedly connected in the screw hole 71, the top end of the threaded rod is fixedly connected with a flat bracket, the bottom of the flat bracket is fixedly connected with a strong magnet, and the top of the flat bracket is provided with a limiting groove, the only difference between the second clamp 73 and the first clamp 72 is the shape of the limiting groove, the limiting groove of the first clamp 72 is long strip-shaped, the shape of the second clamp 73 is L-shaped, and the depth and width of the limiting groove are matched with the diameter of the U-shaped pipe of the automobile seat backrest, before welding, the two corners of the U-shaped pipe can be placed in the two L-shaped limiting grooves respectively, the two ends of the U-shaped pipe are placed in the long strip-shaped limiting groove, and the U-shaped pipe is fixed under the magnetic attraction of the strong magnet, so that the U-shaped pipe is prevented from shaking during welding, the welding precision and effect are improved, and the first clamp 72 and the second clamp 73 can be installed in screw holes 71 at different positions according to the size of the U-shaped pipe, so that the size range of the applicable U-shaped pipe is improved.

[0054] Working principle: when the driving part 3 drives the rotating seat 2 to deflect, it will drive the deflection arm 5 and the welding table 9 to deflect synchronously, when the driving part 6 drives the deflection arm 5 to deflect, the deflection arm 5 drives the welding table 9 to deflect synchronously in the vertical plane perpendicular to the deflection plane of the rotating seat 2, and then the rotating part 8 is controlled to drive the welding table 9 to rotate, so as to adjust the position of the welding table 9 in the circumferential direction, and the three kinds of adjustment operations are matched with each other, so that the angle of the table surface of the welding table 9 in the three-dimensional space can be flexibly and efficiently adjusted without changing the standing position of the welder, so that the welder can quickly determine the welding points at different positions and orientations, and the normal welding operation is ensured, before welding, the two corners of the U-shaped pipe can be placed in the two L-shaped limiting grooves respectively, the two ends of the U-shaped pipe are placed in the long strip-shaped limiting groove, and the U-shaped pipe is fixed under the magnetic attraction of the strong magnet, so that the U-shaped pipe is prevented from shaking during welding, the welding precision and effect are improved.

[0055] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to limit the scope of the present application (including claims) to these examples; the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0056] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, alternatives and variations are intended to be encompassed by the present application as set forth in the following claims.

Claims

1. An automobile seat back welding tooling comprising a fixing seat (1), characterized in that, The automobile seat backrest welding tool further comprises: a rotating seat (2) hinged to the top of the fixed seat (1), wherein the rotating seat (2) is provided with a mounting groove (4), and a deflection arm (5) is hinged inside the mounting groove (4); a driving part (3) for driving the deflection of the rotating seat (2); a driving member (6) for driving the deflection of the deflection arm (5), and the deflection surface of the deflection arm (5) is always perpendicular to the deflection surface of the rotating seat (2); a welding table (9) provided on the free end of the deflection arm (5); a rotating part (8) for driving the rotation of the welding table (9); a plurality of clamping parts (7) detachably mounted on the top of the welding table (9).

2. The automotive seat back welding tooling of claim 1, wherein, The bottom of the rotating seat (2) is a semicircular arc surface, and the deflection axis of the rotating seat (2) and the axis of the deflection arm (5) are in the same vertical plane.

3. The automotive seat back welding tooling of claim 1, wherein, The driving part (3) comprises a lower half tooth (33) fixedly arranged on the rotating seat (2); a lower rack (31) slidingly arranged between the lower half tooth (33) and the top of the fixed seat (1), wherein the tooth surface of the lower rack (31) is engaged with the tooth surface of the lower half tooth (33); a guide member (34) arranged between the bottom of the lower rack (31) and the top of the fixed seat (1); a lower telescopic cylinder (32) for pushing the linear reciprocating movement of the lower rack (31).

4. The automotive seat back welding tooling of claim 3, wherein, The guide member (34) comprises a guide strip fixedly arranged on the top of the fixed seat (1), and the bottom of the lower rack (31) is provided with a guide groove, and the top of the guide strip is slidingly sleeved inside the guide groove.

5. The automotive seat back welding tooling of claim 1, wherein, The driving member (6) comprises a guide sliding groove (61) arranged in the mounting groove (4); an upper rack (62) slidingly arranged inside the guide sliding groove (61); an upper telescopic cylinder (63) fixedly arranged in the guide sliding groove (61), wherein the upper telescopic cylinder (63) is used for pushing the linear reciprocating movement of the upper rack (62); an upper half tooth (64) fixedly arranged at the bottom of the deflection arm (5), wherein the tooth surface of the upper half tooth (64) is engaged with the tooth surface of the upper rack (62).

6. The automotive seat back welding tooling of claim 5, wherein, The upper rack (62) is located between the upper telescopic cylinder (63) and the upper half tooth (64), and the moving direction of the upper rack (62) is consistent with the axial direction of the rotating seat (2).

7. The automotive seat back welding tooling of claim 1, wherein, The rotating part (8) comprises a support table fixedly arranged outside the deflection arm (5), wherein a driving motor is fixedly arranged on the support table, the bottom of the welding table (9) is fixedly provided with a tooth ring, the output end of the driving motor is fixedly provided with a transmission gear, and the tooth surface of the transmission gear is engaged with the tooth surface of the tooth ring.

8. The automotive seat back welding fixture of claim 1, wherein, The clamping part (7) comprises a plurality of screw holes (71) uniformly arranged on the top of the welding table (9), wherein two screw holes (71) are threadedly connected with first clamps (72), and the other two screw holes (71) are threadedly connected with second clamps (73).

Images