A child seat bracket welding jig

Abstract

This utility model discloses a welding fixture for a child seat bracket, characterized by: a fixture base and a fixture bottom plate, the fixture bottom plate being horizontally disposed on the top surface of the fixture base; the fixture bottom plate being provided with a lower fixed bracket welding station and a lower fixed wire welding station; the lower fixed bracket welding station including a first horizontal tube support seat, a second horizontal tube support seat, and a bracket positioning seat, the first and second horizontal tube support seats having a first toothed washer positioning part; the lower fixed wire welding station including a third horizontal tube support seat, a fourth horizontal tube support seat, and a wire positioning seat. The advantages of this utility model include: a simple fixture structure, high positioning accuracy, and the ability to simultaneously clamp and position various components of the child seat bracket, welding multiple parts at once, saving processes and improving welding efficiency.

Description

Technical Field

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

[0002] Rear seats in cars are typically equipped with child seat connection brackets. These brackets consist of a cross tube, toothed washers, a lower fixing point bracket, and a lower fixing point wire. These components are welded together to form the rear cross tube assembly of the seat cushion. The positioning accuracy of each component in the rear cross tube assembly affects the safety performance of the child seat connection. Traditional welding methods involve designing multiple welding fixtures and welding each component in multiple steps, which is inefficient. Currently, automotive seat welding is mainly automated by robots. Therefore, it is necessary to design a high-precision child seat connection bracket welding fixture. Summary of the Invention

[0003] To address the shortcomings of the existing technology, this utility model provides a child seat bracket welding fixture with high positioning accuracy, enabling a single welding fixture to complete the welding of the seat bracket.

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

[0005] A welding fixture for a child seat bracket, characterized in that: it includes a fixture base and a fixture bottom plate, the fixture bottom plate being horizontally disposed on the top surface of the fixture base, the fixture bottom plate being provided with a lower fixed bracket welding station and a lower fixed wire welding station, the lower fixed bracket welding station including a first horizontal tube support seat and a second horizontal tube support seat arranged opposite to each other, the first horizontal tube support seat and the second horizontal tube support seat having a first toothed washer positioning part, a first lever clamping cylinder being disposed above the first horizontal tube support seat and the second horizontal tube support seat, a washer clamping cylinder being disposed on the first horizontal tube support seat and the second horizontal tube support seat opposite to the first toothed washer positioning part, two bracket positioning seats being disposed between the first horizontal tube support seat and the second horizontal tube support seat, the bracket positioning seats having a first movable positioning pin, the bracket clamping cylinder being disposed on the bracket positioning seats, and a second movable positioning pin being disposed between the two bracket positioning seats;

[0006] The lower fixed steel wire welding station includes a third horizontal tube support and a fourth horizontal tube support. A second lever clamping cylinder is provided above the third horizontal tube support and the fourth horizontal tube support. The fourth horizontal tube support has a second toothed washer positioning part. Steel wire positioning seats are provided on both sides of the third horizontal tube support. A steel wire clamping block is provided above the steel wire positioning seats.

[0007] Furthermore, both the first toothed washer positioning part and the second toothed washer positioning part have toothed protrusions that mate with the toothed washer.

[0008] Furthermore, both the first and second horizontal tube support seats are provided with two symmetrically arranged washer clamping cylinders, which are lever clamping cylinders.

[0009] Furthermore, both the first and second horizontal tube support seats are provided with horizontal tube end limiting blocks.

[0010] Furthermore, a drive cylinder is provided on the bracket positioning seat, and the first movable positioning pin is located at the front end of the piston rod of the drive cylinder.

[0011] Furthermore, a movable pin support is provided on the base plate of the fixture, and a manual cylinder is provided on the movable pin support. The second movable positioning pin is connected to the piston rod of the manual cylinder.

[0012] Furthermore, a horizontal pressing cylinder is provided on the fixture base plate corresponding to the lower fixed steel wire welding station via a support. The piston rod of the horizontal pressing cylinder is connected to a horizontal tube top block, which is directly opposite the positioning part of the second toothed washer.

[0013] The advantages of this utility model include: the clamp has a simple structure and high positioning accuracy, and can clamp and position various parts of the child seat bracket at the same time, welding multiple parts at once, saving processes and improving 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 welding station structure of the lower fixed bracket of this utility model;

[0016] Figure 3 This is a schematic diagram of the lower fixed steel wire welding station structure of this utility model. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0018] One such Figure 1-3 The child seat bracket welding fixture shown includes a fixture base 1 and a fixture base plate 2. The fixture base plate 2 is horizontally set on the top surface of the fixture base 1. The fixture base plate 2 is provided with parallel lower fixed bracket welding stations and lower fixed steel wire welding stations.

[0019] like Figure 2As shown, the welding station of the lower fixed bracket includes a first horizontal tube support 3 and a second horizontal tube support 4 arranged opposite to each other for supporting and positioning the horizontal tube. The first horizontal tube support 3 and the second horizontal tube support 4 have a first toothed washer positioning part 5 for positioning the toothed washer. The first toothed washer positioning part 5 has a toothed protrusion that mates with the toothed washer. A first lever clamping cylinder 6 is provided above the first horizontal tube support 3 and the second horizontal tube support 4 for clamping the horizontal tube. A washer clamping cylinder 7 is provided on the first horizontal tube support 3 and the second horizontal tube support 4 opposite to the first toothed washer positioning part 5. Each of the first horizontal tube support 3 and the second horizontal tube support 4 has two symmetrically arranged washer clamping cylinders 7. The washer clamping cylinders 7 are lever clamping cylinders used to clamp the toothed washer for easy welding. Two bracket positioning seats 8 are provided between the first horizontal tube support seat 3 and the second horizontal tube support seat 4. Each bracket positioning seat 8 has a first movable positioning pin 9. The lower fixed bracket is placed on the bracket positioning seat 8 and its mounting hole is positioned by the first movable positioning pin 9. A drive cylinder 14 is provided on the bracket positioning seat 8, and the first movable positioning pin 9 is located at the front end of the piston rod of the drive cylinder 14. A bracket clamping cylinder 10 is provided on the bracket positioning seat 8 for clamping the lower fixed bracket. A second movable positioning pin 12 is provided between the two bracket positioning seats 8. A movable pin support 15 is provided on the fixture base plate 2, and a manual cylinder 16 is provided on the movable pin support 15. The second movable positioning pin 12 is connected to the piston rod of the manual cylinder 16. The second movable positioning pin 12 is used to position the hole on the horizontal tube, thereby performing circumferential and axial positioning of the horizontal tube.

[0020] like Figure 3 The lower fixed wire welding station shown includes a third horizontal tube support 21 and a fourth horizontal tube support 22, used to support and position the horizontal tube. A second lever clamping cylinder 23 is installed above the third and fourth horizontal tube support 21 and 22, used to clamp the horizontal tube. The fourth horizontal tube support 22 has a second toothed washer positioning part 24, which has a toothed protrusion that mates with the toothed washer. Here, the toothed washer positions the horizontal tube assembly, defining the circumferential angle and axial position of the horizontal tube. A horizontal pressing cylinder 27 is mounted on the fixture base plate 2 corresponding to the lower fixed wire welding station via a support. The piston rod of the horizontal pressing cylinder 27 is connected to a horizontal tube top block 28, which faces the second toothed washer positioning part 24 and is used to axially clamp the horizontal tube assembly. Both sides of the first horizontal tube support 21 are provided with wire positioning seats 25 for positioning and fixing the wires. A wire clamping block 26 is provided above the wire positioning seat 25.

[0021] To facilitate horizontal placement and pre-positioning, both the first horizontal tube support 3 and the second horizontal tube support 4 in this embodiment are provided with horizontal tube end limiting blocks 13.

[0022] 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 child seat bracket welding fixture, characterized by: The fixture includes a fixture base (1) and a fixture base plate (2). The fixture base plate (2) is horizontally disposed on the top surface of the fixture base (1). The fixture base plate (2) is provided with a lower fixed bracket welding station and a lower fixed wire welding station. The lower fixed bracket welding station includes a first horizontal tube support seat (3) and a second horizontal tube support seat (4) arranged opposite to each other. The first horizontal tube support seat (3) and the second horizontal tube support seat (4) have a first toothed washer positioning part (5). Above the first horizontal tube support seat (3) and the second horizontal tube support seat (4) is a... A first lever clamping cylinder (6) is provided. A washer clamping cylinder (7) is provided on the first horizontal tube support (3) and the second horizontal tube support (4) opposite to the first toothed washer positioning part (5). Two bracket positioning seats (8) are provided between the first horizontal tube support (3) and the second horizontal tube support (4). The bracket positioning seat (8) has a first movable positioning pin (9). A bracket clamping cylinder (10) is provided on the bracket positioning seat (8). A second movable positioning pin (12) is provided between the two bracket positioning seats (8). The lower fixed steel wire welding station includes a third horizontal tube support seat (21) and a fourth horizontal tube support seat (22). A second lever clamping cylinder (23) is provided above the third horizontal tube support seat (21) and the fourth horizontal tube support seat (22). The fourth horizontal tube support seat (22) has a second toothed washer positioning part (24). Steel wire positioning seats (25) are provided on both sides of the third horizontal tube support seat (21). A steel wire clamping block (26) is provided above the steel wire positioning seat (25).

2. A child seat bracket welding jig according to claim 1, wherein: Both the first toothed washer positioning part (5) and the second toothed washer positioning part (24) have toothed protrusions that cooperate with the toothed washer.

3. A child seat bracket welding jig according to claim 1, wherein: Two symmetrically arranged washer clamping cylinders (7) are provided on the first horizontal tube support (3) and the second horizontal tube support (4). The washer clamping cylinders (7) are lever clamping cylinders.

4. A child seat bracket welding jig according to claim 1, wherein: Both the first horizontal tube support (3) and the second horizontal tube support (4) are provided with horizontal tube end limiting blocks (13).

5. A child seat bracket welding jig according to claim 1, wherein: A drive cylinder (14) is provided on the bracket positioning seat (8), and the first movable positioning pin (9) is located at the front end of the piston rod of the drive cylinder (14).

6. A child seat bracket welding jig according to claim 1, wherein: The fixture base plate (2) is provided with a movable pin support (15), and the movable pin support (15) is provided with a manual cylinder (16). The second movable positioning pin (12) is connected to the piston rod of the manual cylinder (16).

7. A child seat bracket welding jig as defined in claim 1 wherein: A horizontal top-pressing cylinder (27) is provided on the fixture base plate (2) corresponding to the lower fixed steel wire welding station via a support. The piston rod of the horizontal top-pressing cylinder (27) is connected to a horizontal tube top block (28), which is directly opposite to the second toothed washer positioning part (24).

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