Welding tool for side wall of automobile seat framework

Abstract

The utility model relates to the technical field of automobile seat machining, in particular to an automobile seat framework side wall welding tool which comprises a base and two sliding seats arranged on the base in a relative sliding mode and further comprises a limiting frame fixedly arranged on the tops of the sliding seats. The driving part is used for driving the two limiting frames to move close to each other or away from each other, the two clamping parts are arranged in the limiting frames in parallel in a sliding mode, and the two clamping parts are used for clamping and fixing the side wall of a backrest and the side wall of a cushion respectively. The included angle between every two adjacent guide frames can be adjusted within the range of 180 degrees, and when the backrest side wall and the cushion side wall are connected in a hinged mode, the included angle between the backrest side wall and the cushion side wall can be flexibly adjusted within the large angle range, so that corresponding parts can be smoothly and efficiently welded to a seat frame, and the welding efficiency is improved. And related parts of the clamping part or the rotating part are prevented from interfering with the welding operation of the part.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile seat processing, especially relates to a automobile seat framework side wall welding frock. BACKGROUND

[0002] The automobile seat framework is the support core of the automobile seat, and many structural parts thereof are fixedly connected through welding, so that the support strength of the automobile seat fixing frame is improved, and the support area is increased. The included angle between the backrest and the cushion framework of the automobile seat is fixed in some cases and adjustable in some cases. The included angle between the backrest and the cushion framework of the automobile seat framework that is adjustable needs to be flexibly adjusted due to the influence of factors such as the size of the parts to be welded and the welding fixing position during welding operation, and the existing automobile seat framework side wall welding frock cannot flexibly adjust the included angle between the backrest and the seat, thereby affecting the efficiency of welding operation.

[0003] To solve the above technical problems, the existing patent application No. 202311002979.1 discloses a welding frock for an automobile seat framework assembly. The welding frock is convenient for adjusting the included angle between the backrest plate and the cushion plate by rotating the second rotating seat around the hinge between the first rotating seat and the second rotating seat as the deflection shaft. However, in the above-mentioned prior art, the inner arc surface of the inner ring body limits the circumferential rotation of the backrest plate, so that the included angle between the backrest plate and the cushion plate can only be adjusted within a small angle range, thereby affecting the welding operation of parts in some difficult positions. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims to provide an automobile seat framework side wall welding frock to solve the problem of small included angle adjustment range between the backrest framework and the cushion framework, which affects the welding operation of parts in some difficult positions.

[0005] To achieve the above-mentioned purpose, the utility model provides an automobile seat framework side wall welding frock, which comprises a base and two sliding seats arranged on the base in a sliding manner.

[0006] A limiting frame is fixedly arranged on the top of the sliding seat.

[0007] A driving part is arranged for driving the two limiting frames to move closer to or away from each other.

[0008] Two clamping parts are arranged in the limiting frame in a parallel sliding manner, and the two clamping parts are respectively used for clamping the backrest side wall and the cushion side wall.

[0009] A rotating part is arranged for driving the two groups of clamping parts to rotate in a circumferential direction.

[0010] Preferably, the rotating part comprises:

[0011] Two support frames fixed oppositely on the top of the sliding seat.

[0012] A spline sleeve shaft rotatingly arranged in the support frame.

[0013] A fixed sleeve shaft fixedly arranged in the support frame.

[0014] A spline shaft slidingly inserted into the spline groove axially arranged on the spline sleeve shaft, one end of the spline shaft being connected with a through hole axially arranged on the fixed sleeve shaft.

[0015] A driving motor for driving the spline shaft to rotate.

[0016] A transmission tooth fixedly arranged on the outside of the spline sleeve shaft, the outside of the fixed sleeve shaft also being rotatably sleeved with a transmission tooth.

[0017] Preferably, the support frames on the same side of the two sliding seats correspond to each other, and the spline shaft is transversely inserted between the two support frames on the same side of the two sliding seats.

[0018] Preferably, the same side of the interior of the two adjacent support frames is respectively the spline sleeve shaft and the fixed sleeve shaft, and the limiting frame is located between the two support frames on the top of the sliding seat.

[0019] Preferably, the spline sleeve shaft and the fixed sleeve shaft are alternately distributed in the two support frames on the same side of the two adjacent sliding seats in the axial direction, and the adjacent spline sleeve shaft and fixed sleeve shaft are in a coaxial relationship.

[0020] Preferably, the clamping part comprises:

[0021] A notched tooth ring sleeved in the limiting frame.

[0022] A guide frame fixed to one end of the notched tooth ring.

[0023] Two support arms oppositely slidingly arranged in the guide frame.

[0024] A driving member for driving the two support arms to move closer to or away from each other.

[0025] A clamping plate fixedly arranged on the end face of the support arm.

[0026] Preferably, the two adjacent guide frames are respectively located on the opposite end faces of the two juxtaposed notched tooth rings, and the two guide frames are in an axial symmetry relationship.

[0027] Preferably, the tooth surfaces of the notched tooth ring are respectively engaged with the tooth surfaces of two transmission teeth on the same side of two adjacent support frames.

[0028] The utility model discloses the beneficial effect that:

[0029] The utility model discloses a two groups of parallelly arranged rotation parts drive and drive two groups of notched tooth rings to rotate independently, can adjust the included angle between two adjacent guide frames in 180 range, when the connection mode of hinging between backrest side wall and cushion side wall, can be welded other parts, can flexibly adjust the included angle between backrest side wall and cushion side wall in large angular range, so that corresponding part welding on seat frame can be smoothly and efficiently, and the welding operation of the part of interference of clamping part or rotation part related component is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to make the technical scheme in the utility model or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the utility model, and for those skilled in the art, other drawings can also be obtained according to the drawings without creating labor.

[0031] Figure 1 For the three-dimensional schematic diagram of the utility model Figure One ;

[0032] Figure 2 For the three-dimensional schematic diagram of the utility model Figure Two ;

[0033] Figure 3 For the three-dimensional schematic diagram of the utility model Figure Three ;

[0034] Figure 4 For the three-dimensional schematic diagram of the utility model Figure Four .

[0035] Marked as in the drawing:

[0036] 1, base; 2, sliding seat; 3, drive part; 4, limit frame; 5, clamping part; 51, notched tooth ring; 52, guide frame; 53, support arm; 54, clamping plate; 55, drive piece; 6, rotation part; 61, support frame; 62, spline sleeve shaft; 63, fixed sleeve shaft; 64, spline shaft; 65, spline groove; 66, perforation; 67, drive motor; 68, transmission tooth. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following will be further described in detail in combination with specific embodiments.

[0038] 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, number or importance, but are only used to distinguish different components. The terms "including", "containing" and similar words mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, without excluding other elements or objects. The terms "connected" 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.

[0039] As shown in Figures 1 to 3 An automobile seat framework side wall welding tool, comprising a base 1 and two sliding seats 2 arranged on the base 1 in opposite sliding modes, the automobile seat framework side wall welding tool further comprises:

[0040] A limiting frame 4 fixedly arranged on the top of the sliding seat 2.

[0041] A driving part 3 for driving the two limiting frames 4 to move close to or away from each other, the driving part 3 comprises a first lead screw transversely arranged on the top of the base 1, the screw threads on the outer two ends of the first lead screw are opposite in direction, a first servo motor for driving the first lead screw to rotate, and the two sliding seats 2 are threadedly sleeved on the outside of the first lead screw.

[0042] Two clamping parts 5 arranged in parallel and slidingly in the limiting frame 4, the two clamping parts 5 are respectively used for clamping and fixing the side wall of the backrest and the side wall of the cushion.

[0043] A rotating part 6 for driving the two groups of clamping parts 5 to rotate circumferentially, respectively.

[0044] In this way, the circumferential positions of the two clamping parts 5 arranged in parallel and adjacent to each other can be independently controlled by the corresponding rotating part 6, the adjustable range of the included angle between the two clamping parts 5 is expanded, so that the two clamping parts 5 can clamp and fix the side wall of the backrest and the side wall of the cushion, respectively, and adjust the deflection angle with the hinge between them as the deflection axis, so that the included angle space between the two is increased when other parts are welded, facilitating welding operation and avoiding interference of the components in the clamping part 5 and the rotating part 6 with the welding operation.

[0045] As shown in Figures 2 to 4 The rotating part 6 comprises:

[0046] Two support frames 61 fixedly arranged on the top of the sliding seat 2.

[0047] A spline sleeve shaft 62 is rotatably arranged in the support frame 61.

[0048] A fixed sleeve shaft 63 is fixedly arranged in the support frame 61.

[0049] A spline shaft 64 is slidingly inserted into a spline groove 65 axially arranged on the spline sleeve shaft 62, and one end of the spline shaft 64 is inserted into a through hole 66 axially arranged on the fixed sleeve shaft 63.

[0050] A driving motor 67 is used to drive the spline shaft 64 to rotate.

[0051] A transmission gear 68 is fixedly arranged outside the spline sleeve shaft 62, and the outside of the fixed sleeve shaft 63 is also rotatably sleeved with the transmission gear 68.

[0052] The spline shaft 64 is transversely inserted between the two support frames 61 on the same side of the two sliding seats 2.

[0053] The same side of the interior of the adjacent two support frames 61 is respectively the spline sleeve shaft 62 and the fixed sleeve shaft 63, and the limiting frame 4 is located between the two support frames 61 on the top of the sliding seat 2.

[0054] The spline sleeve shaft 62 and the fixed sleeve shaft 63 are alternately arranged in the two support frames 61 on the same side of the adjacent two sliding seats 2 in an axial direction, and the adjacent spline sleeve shaft 62 and the fixed sleeve shaft 63 are coaxial.

[0055] In this way, the two spline shafts 64 are driven to rotate by the two driving motors 67 respectively, and the spline sleeve shaft 62 in the support frame 61 on the same side of the two sliding seats 2 and the transmission gear fixedly sleeved outside the spline sleeve shaft 62 are driven to rotate by the spline shaft 64, and the spline sleeve shaft 62 and the fixed sleeve shaft 63 in the two support frames 61 on the same sliding seat 2 correspond to each other.

[0056] As shown in Figure 2 and Figure 4 The clamping part 5 comprises:

[0057] A notched gear ring 51 is sleeved in the limiting frame 4.

[0058] A guide frame 52 is fixed to one end of the notched gear ring 51.

[0059] Two support arms 53 are oppositely arranged in the guide frame 52.

[0060] A driving member 55 is used to drive the two support arms 53 to move close to or away from each other, and the driving member 55 comprises a second screw rod transversely rotatably arranged in the guide frame 52, the screw threads on the two ends of the second screw rod are opposite in direction, a second servo motor is used to drive the second screw rod to rotate, and the two support arms 53 in the guide frame 52 are oppositely threaded sleeved on the two ends of the second screw rod.

[0061] The clamping plate 54 is fixed on the end surface of the support arm 53.

[0062] The two adjacent guide frames 52 are respectively located on the opposite end surfaces of the two parallel notched gear rings 51, and the two guide frames 52 are in an axial symmetry relationship.

[0063] The tooth surfaces of the notched gear ring 51 are respectively engaged with the tooth surfaces of the two transmission gears 68 on the same side inside the two adjacent support frames 61.

[0064] Due to the corresponding relationship between the spline shaft 62 and the fixed shaft 63 inside the two support frames 61 on the same sliding seat 2, the tooth surfaces outside the notched gear ring 51 are respectively engaged with the transmission gears 68 on the same side inside the two adjacent support frames 61, the power transmission of the spline shaft 64, the spline shaft 62, and the transmission gears 68 fixed on the spline shaft 62 is achieved, the circumferential rotation of the notched gear ring 51 on the same side of the servo motor of the two sliding seats 2 is driven, the transmission gears 68 on the fixed shaft 63 rotate under the driving of the rotation of the notched gear ring 51, the limiting support of the notched gear ring 51 by the limiting frame 4 is achieved, the freedom degree of the notched gear ring 51 in other directions except the circumferential rotation is constrained, the position deviation of the notched gear ring 51 in other directions is avoided, and the welding operation precision is affected, the two rotating parts 6 can simultaneously drive the parallel adjacent two clamping parts 5 to synchronously rotate in the same direction or in the opposite direction, the position of the seat frame on the shaft can be adjusted as a whole under the premise of keeping the angle between the backrest frame and the seat cushion frame unchanged, the welding point towards the top of the base 1 can be adjusted to be horizontally outward and the height can be adjusted, the operator can conveniently weld the welding point which is easily blocked by the base 1, the welding operation difficulty is reduced, and when the parallel adjacent two clamping parts 5 synchronously rotate in the opposite direction, the angle between the backrest frame and the seat cushion frame can be flexibly adjusted in a large angle range, some parts with relatively tricky positions can be conveniently installed and welded, and other parts are avoided to interfere and affect the welding operation.

[0065] Working principle: since the seat side wall is located on both sides of the seat frame, and the seat side wall is divided into a backrest side wall and a cushion side wall, when fixing the seat side wall, first drive the two sliding seats 2 to move close to or away from each other by controlling the driving part 3, the relative movement occurs between the spline sleeve shaft 62, the fixed sleeve shaft 63 and the spline shaft 64, the spacing between the clamping parts 5 on the two sliding seats 2 is adjusted to match the width of the side walls on both sides of the seat frame, then the side walls on both sides of the seat frame are respectively placed in the clamping parts 5 on the two sliding seats 2, and the backrest side wall and the cushion side wall on the same side of the seat frame are respectively clamped and fixed by the two clamping parts 5 on the same sliding seat 2, after the backrest side wall and the cushion side wall on both sides of the seat frame are clamped and fixed, the two notched tooth rings 51 on the same sliding seat 2 can be driven to rotate in opposite directions synchronously by controlling the two rotating parts 6, and the notched tooth rings 51 on the two sliding seats 2 close to the driving motor 67 can be synchronously adjusted to rotate in the same direction, so that the included angle between the backrest side wall and the cushion side wall can be adjusted, which is convenient for the operator to weld the parts to the corresponding position of the seat frame, and when the welding point is shielded by the base 1, the two rotating parts 6 are controlled to rotate in the same direction, so that the position of the seat frame on the shaft can be adjusted as a whole under the premise that the included angle between the backrest frame and the cushion frame remains unchanged, the welding point towards the top of the base 1 can be adjusted to be outward and the height thereof can be increased, so that the operator can weld the welding point which is easily shielded by the base 1, and the difficulty of welding operation is reduced.

[0066] Those skilled in the art will understand that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope (including claims) of the present application is limited to these examples; under the idea of the present application, 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 details for the sake of brevity.

[0067] 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 alternatives, modifications and variations are intended to be encompassed by the appended claims.

Claims

1. An automobile seat framework side wall welding tool, comprising a base (1) and two sliding seats (2) oppositely sliding on the base (1), characterized in that, The automobile seat framework side wall welding tool further comprises: A limiting frame (4) fixed on the top of the sliding seat (2); A driving part (3) for driving the two limiting frames (4) to move close to or away from each other; Two clamping parts (5) arranged side by side in the limiting frame (4), and the two clamping parts (5) are respectively used for clamping the backrest side wall and the cushion side wall; A rotating part (6) for driving the two groups of clamping parts (5) to rotate circumferentially.

2. The automobile seat frame side wall welding tooling according to claim 1, characterized in that, The rotating part (6) comprises: Two support frames (61) fixed oppositely on the top of the sliding seat (2); A spline sleeve shaft (62) rotatably arranged in the support frame (61); A fixed sleeve shaft (63) fixed in the support frame (61); A spline shaft (64) slidingly inserted into the spline groove (65) axially arranged on the spline sleeve shaft (62), and one end of the spline shaft (64) is inserted into the through hole (66) axially arranged on the fixed sleeve shaft (63); A driving motor (67) for driving the spline shaft (64) to rotate; Transmission teeth (68) fixedly sleeved on the outside of the spline sleeve shaft (62), and the outside of the fixed sleeve shaft (63) is also rotatably sleeved with transmission teeth (68).

3. The automobile seat frame side wall welding tooling according to claim 2, characterized in that, The support frames (61) on the same side of the two sliding seats (2) correspond to each other, and the spline shaft (64) transversely penetrates between the two support frames (61) on the same side of the two sliding seats (2).

4. The automobile seat frame side wall welding tooling according to claim 3, characterized in that, The same side of the interiors of the two adjacent support frames (61) is respectively the spline sleeve shaft (62) and the fixed sleeve shaft (63), and the limiting frame (4) is located between the two support frames (61) on the top of the sliding seat (2).

5. The automobile seat frame side wall welding tooling according to claim 4, characterized in that, The spline sleeve shaft (62) and the fixed sleeve shaft (63) are alternately distributed in the two support frames (61) on the same side of the two adjacent sliding seats (2) in the axial direction, and the adjacent spline sleeve shaft (62) and the fixed sleeve shaft (63) are in a coaxial relationship.

6. The automobile seat frame side wall welding tooling according to claim 5, characterized in that, The clamping part (5) comprises: A notched tooth ring (51) sleeved in the limiting frame (4); A guide frame (52) fixed to one end of the notched tooth ring (51); Two support arms (53) oppositely arranged in the guide frame (52); A driving part (55) for driving the two support arms (53) to move close to or away from each other; A clamping plate (54) fixed on the end face of the support arm (53).

7. The automobile seat frame side wall welding tooling according to claim 6, characterized in that, The two adjacent guide frames (52) are respectively located on the opposite end faces of the two parallel notched tooth rings (51), and the two guide frames (52) are in an axial symmetry relationship.

8. The automobile seat frame side wall welding tooling according to claim 7, characterized in that, The tooth surfaces of the notched tooth ring (51) are respectively engaged with the tooth surfaces of the two transmission teeth (68) on the same side in the two adjacent support frames (61).

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