Special-shaped support welding clamp for vehicle

Abstract

The special-shaped support welding clamp for the vehicle comprises a workbench, a supporting and limiting assembly, a pressing assembly and a fixing assembly, the supporting and limiting assembly, the pressing assembly and the fixing assembly are arranged on the workbench, the supporting and limiting assembly comprises a supporting block and a limiting block, and the pressing assembly is arranged on one side of the supporting and limiting assembly. Comprising a first pressing air cylinder, a first pressing rod and a first pressing head, and the fixing assembly is arranged on one side of the end of the supporting and limiting assembly and comprises a second pressing air cylinder, a linear guide rail, a sliding block, a positioning block, a third pressing air cylinder, a second pressing rod, a second pressing head and a limiting rod. The welding fixture is simple in structure and convenient to operate, can simultaneously position two groups of products, can quickly and accurately assemble and complete welding, reduces the labor intensity, improves the welding efficiency and ensures the welding precision.

Description

Technical Field

[0001] The utility model relates to a welding fixture for a special-shaped bracket for a vehicle. Background Art

[0002] In order to reduce weight, the car body uses a large number of high-strength special-shaped structural parts. Through the welding combination of multiple components, the structural strength is improved while maintaining lightweight.

[0003] For products that are welded together from a hollow special-shaped tube and a high-strength standard part, the existing production method has at least the following disadvantages: the special-shaped bracket has a curved non-standard special-shaped cross-section, and the existing production process requires manual assembly, which is prone to deviation during the welding process, ultimately resulting in low product yield, large finished product errors, and high labor costs. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a welding fixture for vehicle special-shaped brackets, which has a simple structure and is easy to operate. It can realize the positioning of two groups of products at the same time, can assemble and complete welding quickly and accurately, reduce labor intensity, improve welding efficiency, and ensure welding accuracy.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a welding fixture for vehicle special-shaped brackets, including a workbench and a support and limit assembly, a clamping assembly and a fixing assembly arranged on the workbench, the support and limit assembly including a support block and a limit block, the support block is provided with a plurality of and arranged in a straight line, and the opposite sides of the support blocks at both ends are also provided with raised stoppers respectively, the limit blocks are provided with a plurality of and distributed at intervals on both sides of the support block, the clamping assembly is arranged on one side of the support and limit assembly, including a first clamping cylinder, a first pressure rod and a first pressure head, the first clamping cylinder is fixed longitudinally and the driving end is arranged upward, the first pressure rod is transversely fixed at the driving end of the first clamping cylinder and a first pressure head is arranged below the end, and the fixing assembly is arranged on the support and limit assembly One side of the end portion includes a second clamping cylinder, a linear guide, a slider, a positioning block, a third clamping cylinder, a second pressure rod, a second pressure head and a limit rod. The second clamping cylinder is transversely fixed on the workbench and perpendicular to the support and limit assembly. The linear guide is transversely fixed on the workbench and parallel to the second clamping cylinder. The slider is slidably arranged on the linear guide and one side is connected to the driving end of the second clamping cylinder through a connecting block. A positioning block with a transverse distribution and a U-shaped structure is provided on the fixed side of the slider. The third clamping cylinder is longitudinally fixed on the workbench at the end of the linear guide and the driving end is distributed upward. The second pressure rod is transversely fixed to the driving end of the third clamping cylinder and a second pressure head is provided below the end. A limit rod is also provided below the second pressure rod and is arranged opposite to the opening of the positioning block.

[0006] In a preferred embodiment of the present invention, the support and limiting components are symmetrically arranged in two groups.

[0007] In a preferred embodiment of the present invention, the clamping assemblies are provided in multiple groups and are located between two groups of supporting and limiting assemblies.

[0008] In a preferred embodiment of the present invention, the fixing components are provided in two groups and are arranged in a rotationally symmetrical structure corresponding to the two groups of supporting and limiting components.

[0009] In a preferred embodiment of the utility model, a cylinder control switch is provided on the workbench.

[0010] The beneficial effects of the utility model are as follows: the utility model points out a welding fixture for a special-shaped bracket for a vehicle, which has a simple structure and is easy to operate, can realize the positioning of two groups of products at the same time, can assemble and complete welding quickly and accurately, reduces labor intensity, improves welding efficiency, and ensures welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0012] Figure 1 This is a stereogram of a preferred embodiment of a welding fixture for a special-shaped vehicle bracket of the utility model;

[0013] Figure 2 yes Figure 1 A partial enlarged view of the circled portion. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1 Combination Figure 2 , the utility model embodiment includes:

[0016] A welding fixture for a special-shaped vehicle bracket comprises a workbench 1 and a supporting and limiting component, a pressing component and a fixing component arranged on the workbench 1.

[0017] The support and limiting components are symmetrically arranged in two groups and are parallel to each other, including a support block 2 and a limiting block 3.

[0018] The support blocks 2 are provided in plurality and arranged in a straight line, and are used for bottom support of the hollow special-shaped tube 4 .

[0019] The supporting blocks 2 at both ends are also provided with raised stoppers 5 on the opposite sides thereof, for limiting the positions of the two ends of the hollow special-shaped tube 4.

[0020] The limiting blocks 3 are provided in plurality and are distributed at intervals on both sides of the supporting block 2 , and are used for limiting the positions of both sides of the hollow special-shaped tube 4 .

[0021] The clamping assembly is provided in multiple groups and is located between two groups of support and limit assemblies, including a first clamping cylinder 6 , a first pressure rod 7 and a first pressure head 8 .

[0022] The first pressing cylinder 6 is fixed longitudinally and has a driving end facing upward, so as to provide longitudinal driving.

[0023] The first pressure rod 7 is transversely fixed to the driving end of the first clamping cylinder 6 and a first pressure head 8 is arranged below the end. The two ends of the first pressure rod 7 are located above the hollow special-shaped tubes 4 on both sides. Through the longitudinal pressing of the first clamping cylinder 6, the first pressure head 8 can synchronously press and fix the hollow special-shaped tubes 4 on both sides.

[0024] The fixing components are provided in two groups and are arranged in a rotationally symmetrical structure corresponding to the two groups of supporting and limiting components, so as to realize separate driving and fixing.

[0025] The fixing assembly is arranged at one end side of the support and limiting assembly, and includes a second clamping cylinder 9, a linear guide rail 10, a slider 11, a positioning block 12, a third clamping cylinder 13, a second pressing rod 14, a second pressing head 15 and a limiting rod 16.

[0026] The second pressing cylinder 9 is transversely fixed on the workbench 1 and perpendicular to the support and limit assembly to provide a driving force for transverse pressing.

[0027] The linear guide 10 is laterally fixed on the workbench 1 and parallel to the second clamping cylinder 9. The slider 11 is slidably arranged on the linear guide 10 and one side is connected to the driving end of the second clamping cylinder 9 through a connecting block 17. The slider 11 is driven by the second clamping cylinder 9 to move linearly on the linear guide 10.

[0028] The slider 11 is provided with a laterally distributed U-shaped positioning block 12 on the fixed side, and the high-strength standard part 18 is arranged above the end of the hollow special-shaped tube 4 and is located in the U-shaped cavity of the positioning block 12 to complete the positioning.

[0029] A push rod 19 is arranged on the moving positioning side of the slide block 11 , and a limiting block 20 is arranged on the workbench corresponding to the push rod 19 to prevent the slide block 11 from moving excessively.

[0030] The third clamping cylinder 13 is longitudinally fixed on the workbench 1 at the end of the linear guide rail 10 with the driving end facing upward, so as to provide a longitudinal clamping driving force.

[0031] The second pressure rod 14 is laterally fixed on the driving end of the third clamping cylinder 13 and a second pressure head 15 is arranged below the end. The two ends of the second pressure rod 14 are respectively located above the high-strength standard parts 18 on both sides. The downward pressure of the third clamping cylinder 13 realizes the second pressure head 15 to clamp and position the high-strength standard parts 18 on the hollow special-shaped tube 4.

[0032] A limit rod 16 is further disposed below the second pressure rod 14 and is arranged opposite to the opening of the positioning block 12 , so as to realize positioning and fixing of the high-strength standard component 18 between the limit rod 16 and the positioning block 12 .

[0033] The workbench 1 is provided with two cylinder control switches 21 , one of which synchronously controls the driving control of the first pressing cylinder 6 and the third pressing cylinder 13 , and the other independently controls the driving control of the second pressing cylinder 9 .

[0034] In summary, the utility model discloses a welding fixture for special-shaped vehicle brackets, which has a simple structure and is easy to operate. It can realize the positioning of two groups of products at the same time, can assemble and complete welding quickly and accurately, reduces labor intensity, improves welding efficiency, and ensures welding accuracy.

[0035] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A welding fixture for a special-shaped bracket for a vehicle, characterized in that: The invention comprises a workbench and a support and limit assembly, a clamping assembly and a fixing assembly arranged on the workbench, the support and limit assembly comprising a support block and a limit block, the support block is provided with a plurality of and arranged in a straight line, and the opposite sides of the support blocks at both ends are also provided with raised stoppers respectively, the limit blocks are provided with a plurality of and are distributed at intervals on both sides of the support block, the clamping assembly is arranged on one side of the support and limit assembly, and comprises a first clamping cylinder, a first pressure rod and a first pressure head, the first clamping cylinder is fixed longitudinally and the driving end is arranged upward, the first pressure rod is transversely fixed at the driving end of the first clamping cylinder and a first pressure head is arranged below the end, the fixing assembly is arranged on one side of the end of the support and limit assembly, and comprises a second clamping cylinder, a linear guide rail, A slider, a positioning block, a third clamping cylinder, a second pressure rod, a second pressure head and a limiting rod. The second clamping cylinder is transversely fixed on the workbench and perpendicular to the support and limiting assembly. The linear guide rail is transversely fixed on the workbench and parallel to the second clamping cylinder. The slider is slidably arranged on the linear guide rail and one side is connected to the driving end of the second clamping cylinder through a connecting block. A positioning block with a transverse distribution and a U-shaped structure is arranged on the fixed side of the slider. The third clamping cylinder is longitudinally fixed on the workbench at the end of the linear guide rail and the driving end is distributed upward. The second pressure rod is transversely fixed to the driving end of the third clamping cylinder and a second pressure head is arranged below the end. A limiting rod is also arranged below the second pressure rod and is arranged opposite to the opening of the positioning block.

2. The welding fixture for special-shaped bracket for vehicle according to claim 1, characterized in that: The support and limiting components are symmetrically arranged in two groups.

3. The welding fixture for special-shaped vehicle bracket according to claim 2, characterized in that: The clamping components are provided in multiple groups and are located between two groups of supporting and limiting components.

4. The welding fixture for special-shaped bracket for vehicle according to claim 2, characterized in that: The fixing components are provided in two groups and are arranged in a rotationally symmetrical structure corresponding to the two groups of supporting and limiting components.

5. The welding fixture for special-shaped bracket for vehicle according to claim 1, characterized in that: A cylinder control switch is arranged on the workbench.

Images