Seat cushion supporting pipe welding clamp

Abstract

The utility model discloses a seat cushion supporting pipe welding clamp which is characterized in that the seat cushion supporting pipe welding clamp comprises a clamp bottom plate, and two first short transverse pipe supporting blocks, two second short transverse pipe supporting blocks, a first long transverse pipe supporting block, two second long transverse pipe supporting blocks and two third long transverse pipe supporting blocks are arranged on the clamp bottom plate. The first short transverse pipe supporting blocks are provided with front check ring limiting grooves, the second short transverse pipe supporting blocks are provided with first connecting plate limiting grooves, and one second short transverse pipe supporting block is provided with a short transverse pipe end limiting face. A first connecting plate limiting groove is formed in the first long transverse pipe supporting block, a long transverse pipe pressing block is arranged above the first long transverse pipe supporting block, a second connecting plate limiting groove is formed in the second long transverse pipe supporting block, and rear check ring clamping mechanisms moving horizontally are arranged on the opposite outer sides of the two third long transverse pipe supporting blocks. And a plurality of welding parts can be positioned at high precision, clamping is convenient, and the welding efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of welding fixtures, specifically to a welding fixture for a seat cushion support tube. Background Technology

[0002] The car seat cushion support tube consists of a long support tube and a short support tube, which are connected by a connecting plate. Both the long and short support tubes require welded retaining rings. The positional accuracy of each component affects the subsequent installation accuracy of the seat; therefore, a welding fixture with high positional accuracy needs to be designed. Summary of the Invention

[0003] To address the shortcomings of the existing technology, this utility model provides a seat support tube welding fixture, which has a simple structure, is suitable for seat support tube welding, and has high positioning accuracy.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A seat cushion support tube welding fixture, characterized in that it includes a fixture base plate, on which are provided two first short horizontal tube support blocks, two second short horizontal tube support blocks, one first long horizontal tube support block, two second long horizontal tube support blocks, and two third long horizontal tube support blocks. The first and second short horizontal tube support blocks have a first arcuate support surface on the same straight line. The tops of the first, second, and third long horizontal tube support blocks have a second arcuate support surface on the same straight line. The first short horizontal tube support block has a front retaining ring limiting groove, and the second short horizontal tube support block has a first connecting plate limiting groove. One of the second short horizontal tube support blocks has a short horizontal tube end limiting surface. A short horizontal tube pressing block is provided above the first short horizontal tube support block, and a long horizontal tube pressing block is provided above the first long horizontal tube support block. The second long horizontal tube support block has a second connecting plate limiting groove. A horizontally movable rear retaining ring clamping mechanism is provided on the opposite outer sides of the two third long horizontal tube support blocks.

[0006] Furthermore, the short horizontal tube pressing block has a front retaining ring clamping groove, and the short horizontal tube pressing block is driven by a first lever pressing mechanism disposed on the base plate of the clamp.

[0007] Furthermore, the first lever clamping mechanism includes a first cylinder support disposed on the fixture base plate, a first clamping cylinder disposed on the first cylinder support, a lever arm connected to the piston rod of the first clamping cylinder, and two short horizontal tube clamping blocks connected to the lever arm via a connecting bracket.

[0008] Furthermore, a second lever clamping mechanism is provided on the base plate of the clamp, and the long horizontal tube clamping block is disposed on the second lever clamping mechanism.

[0009] Furthermore, the rear retaining ring clamping mechanism includes a linear guide slider disposed on the fixture base plate, a mounting support disposed on the slider of the linear guide slider, a horizontal drive cylinder disposed on the fixture base plate, the front end of the piston rod of the horizontal drive cylinder being connected to the mounting support, and a rear retaining ring clamping block corresponding to the side of the third long horizontal tube support block disposed on the mounting support.

[0010] Furthermore, the mounting bracket is provided with a vertically arranged downward pressing cylinder. The piston rod of the downward pressing cylinder is connected to a movable pressure block opposite to the second long horizontal tube support block and the third long horizontal tube support block. The movable pressure block has a third connecting plate limiting groove, and the end of the movable pressure block has a rear retaining ring limiting surface.

[0011] Furthermore, one of the mounting supports is provided with an end pressure block for pressing the short horizontal tube against the end limiting surface of the short horizontal tube.

[0012] Furthermore, a manual valve is provided on the base plate of the fixture.

[0013] The advantages of this utility model include: the fixture has a simple structure, can accurately position multiple welded parts, is easy to clamp, and helps to improve welding efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0017] One such Figure 1-2The seat cushion support tube welding fixture shown includes a fixture base plate 1. The base plate 1 is equipped with two first short horizontal tube support blocks 2, two second short horizontal tube support blocks 3, one first long horizontal tube support block 4, two second long horizontal tube support blocks 5, and two third long horizontal tube support blocks 6. The first short horizontal tube support blocks 2 and 3 have first arc-shaped support surfaces on the same straight line for supporting and positioning the short horizontal tubes. The first short horizontal tube support block 2 has a front retaining ring limiting groove 7, and the second short horizontal tube support block 3 has a first connecting plate limiting groove 8. One of the second short horizontal tube support blocks 3 has a short horizontal tube end limiting surface 9. The tops of the first long horizontal tube support blocks 4, 5, and 6 have second arc-shaped support surfaces on the same straight line for supporting and positioning the long horizontal tubes. The long and short horizontal tubes are arranged parallel to each other, but the horizontal height of the long horizontal tubes is higher than that of the short horizontal tubes. A short horizontal tube pressing block 10 is provided above the first short horizontal tube support block 2. The short horizontal tube pressing block 10 has a front retaining ring clamping groove 101. The short horizontal tube pressing block 10 is driven by a first lever pressing mechanism provided on the fixture base plate 1. The first lever pressing mechanism includes a first cylinder support 13 provided on the fixture base plate 1. A first pressing cylinder 14 is provided on the first cylinder support 13. The piston rod of the first pressing cylinder 14 is connected to a lever pressing arm 15. Two short horizontal tube pressing blocks 10 are connected to the lever pressing arm 15 through a connecting bracket. The short horizontal tube pressing block 10 is used to press the short horizontal tube and limit the front retaining ring to make the welding of the front retaining ring more precise.

[0018] A long horizontal tube pressure block 11 is provided above the first long horizontal tube support block 4. The second long horizontal tube support block 5 has a second connecting plate limiting groove 12. A second lever pressing mechanism is provided on the clamp base plate 1. The second lever pressing mechanism has the same structural principle as the first lever pressing mechanism. The long horizontal tube pressure block 11 is provided on the second lever pressing mechanism.

[0019] A horizontally movable rear retaining ring clamping mechanism is provided on the opposite outer sides of the two third long horizontal tube support blocks 6. The rear retaining ring clamping mechanism includes a linear guide slider 16 provided on the fixture base plate 1, a mounting support 17 provided on the slider of the linear guide slider 16, a horizontal drive cylinder 18 provided on the fixture base plate 1, the front end of the piston rod of the horizontal drive cylinder 18 being connected to the mounting support 17, and a rear retaining ring clamping block 19 corresponding to the side of the third long horizontal tube support block 6 provided on the mounting support 17.

[0020] The mounting bracket 17 is provided with a vertically arranged downward pressing cylinder 20. The piston rod of the downward pressing cylinder 20 is connected to a movable pressure block 21 that is opposite to the second long horizontal tube support block 5 and the third long horizontal tube support block 6. The movable pressure block 21 has a third connecting plate limiting groove 22, and the end of the movable pressure block 21 has a rear retaining ring limiting surface.

[0021] One of the mounting supports 17 is equipped with an end horizontal tube pressure block 24 to press the short horizontal tube against the end limiting surface 9 of the short horizontal tube.

[0022] A hand valve 23 is provided on the fixture base plate 1. The hand valve is used to control the action of the first lever clamping mechanism, the second lever clamping mechanism, the pressing cylinder, and the horizontal drive cylinder.

[0023] The technical solutions provided by the embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the embodiments of this utility model. The description of the above embodiments is only for helping to understand the principles of the embodiments of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A seat cushion support tube welding fixture characterized by: The fixture includes a base plate (1), on which are provided two first short horizontal tube support blocks (2), two second short horizontal tube support blocks (3), one first long horizontal tube support block (4), two second long horizontal tube support blocks (5), and two third long horizontal tube support blocks (6). The first short horizontal tube support block (2) and the second short horizontal tube support blocks (3) have a first arc-shaped support surface on the same straight line. The tops of the first long horizontal tube support block (4), the second long horizontal tube support block (5), and the third long horizontal tube support block (6) have a second arc-shaped support surface on the same straight line. The short horizontal tube support block (2) has a front retaining ring limiting groove (7), the second short horizontal tube support block (3) has a first connecting plate limiting groove (8), one of the second short horizontal tube support blocks (3) has a short horizontal tube end limiting surface (9), a short horizontal tube pressing block (10) is provided above the first short horizontal tube support block (2), a long horizontal tube pressing block (11) is provided above the first long horizontal tube support block (4), the second long horizontal tube support block (5) has a second connecting plate limiting groove (12), and a horizontally movable rear retaining ring clamping mechanism is provided on the opposite outer sides of the two third long horizontal tube support blocks (6).

2. A seat cushion support tube welding fixture as defined in claim 1 wherein: The short horizontal tube pressing block (10) has a front retaining ring clamping groove (101), and the short horizontal tube pressing block (10) is driven by a first lever pressing mechanism set on the fixture base plate (1).

3. A seat cushion support tube welding fixture as defined in claim 2 wherein: The first lever clamping mechanism includes a first cylinder support (13) disposed on the clamp base plate (1), a first clamping cylinder (14) disposed on the first cylinder support (13), the piston rod of the first clamping cylinder (14) is connected to a lever arm (15), and two short horizontal tube clamping blocks (10) are connected to the lever arm (15) through a connecting bracket.

4. A seat cushion support tube welding fixture as defined in claim 1 wherein: The clamp base plate (1) is provided with a second lever pressing mechanism, and the long horizontal tube pressing block (11) is provided on the second lever pressing mechanism.

5. A seat cushion support tube welding fixture as defined in claim 1 wherein: The rear retaining ring clamping mechanism includes a linear guide slider (16) disposed on the fixture base plate (1), a mounting support (17) disposed on the slider of the linear guide slider (16), a horizontal drive cylinder (18) disposed on the fixture base plate (1), the front end of the piston rod of the horizontal drive cylinder (18) being connected to the mounting support (17), and a rear retaining ring clamping block (19) corresponding to the side of the third long horizontal tube support block (6) disposed on the mounting support (17).

6. A seat cushion support tube welding fixture as defined in claim 5 wherein: The mounting bracket (17) is provided with a vertically arranged downward pressing cylinder (20). The piston rod of the downward pressing cylinder (20) is connected to a movable pressure block (21) opposite to the second long horizontal tube support block (5) and the third long horizontal tube support block (6). The movable pressure block (21) has a third connecting plate limiting groove (22) and the end of the movable pressure block (21) has a rear retaining ring limiting surface.

7. A seat cushion support tube welding fixture as defined in claim 5 wherein: One of the mounting supports (17) is provided with an end tube end pressure block (24) to press the short horizontal tube against the end limiting surface (9) of the short horizontal tube.

8. A seat cushion support tube welding fixture as defined in claim 1 wherein: The hand valve (23) is arranged on the clamp base plate (1).

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