Rear suspension lower support welding tool

Abstract

The utility model discloses a rear suspension lower support welding tool which comprises a tool bottom plate, a positioning mechanism, a main pressing mechanism and an auxiliary pressing mechanism are arranged on the tool bottom plate, and the positioning mechanism is used for positioning a gasket assembly and a thread bushing assembly on a main arm body. The main pressing mechanism and the auxiliary pressing mechanism are used for pressing the gasket assembly and the thread bushing assembly on the main arm body; the auxiliary pressing mechanisms are symmetrically arranged; the welding tool designed by the utility model can be applied to an automatic welding line, so that the production efficiency can be improved, the production cost can be reduced, and the consistency of welding quality is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding of rear suspension lower brackets, and in particular to a welding tooling for rear suspension lower brackets. Background Art

[0002] As Figure 1 shown in the structure of the rear suspension lower bracket: It includes a main arm body 1, a first threaded sleeve assembly 2 is welded to the front end of the main arm body, gaskets 3 are welded to both sides of the middle section of the main arm body, a second threaded sleeve assembly 4 is welded to the gaskets, and a connecting bracket 5 is welded to the cavity end of the main arm body; the first and second threaded sleeve assemblies are composed of threaded sleeves with two different heights. The existing tooling for welding threaded sleeves is relatively simple and is manually welded, so the welding quality cannot be controlled and the efficiency is low. Summary of the Utility Model

[0003] The utility model provides a welding tooling for rear suspension lower brackets, aiming to solve the problems of low production efficiency and poor quality in the existing production method.

[0004] To solve the above technical problems, the technical solution of the utility model is: The welding tooling for rear suspension lower brackets includes a tooling bottom plate, and is characterized in that: a positioning mechanism, a main pressing mechanism and an auxiliary pressing mechanism are provided on the tooling bottom plate, the positioning mechanism is used to position the gasket assembly and the threaded sleeve assembly on the main arm body, and the main pressing mechanism and the auxiliary pressing mechanism are used to press the gasket assembly and the threaded sleeve assembly onto the main arm body; the auxiliary pressing mechanism is symmetrically arranged.

[0005] Further limiting the above technical solution, the structure of the positioning mechanism: It includes a front positioning block, a middle positioning block and a rear positioning block. The front positioning block and the middle positioning block are both symmetrically arranged. A plurality of guide holes are provided on the front positioning block and the middle positioning block, and pneumatic positioning pins are arranged in the guide holes. The pneumatic positioning pins on the front positioning block are used to position the front end of the main arm body and the first threaded sleeve assembly, the pneumatic positioning pins on the middle positioning block are used to position the side of the middle section of the main arm body, the gasket and the second threaded sleeve assembly, and the rear positioning block is used to position the cavity end of the main arm body.

[0006] Further limiting the above technical solution, the structure of the main pressing mechanism: It includes a first pneumatic quick clamp. A pressing plate is provided on the pressing arm of the first pneumatic quick clamp, and a plurality of fixed bushings and adjustable bushings are distributed on the pressing plate. The fixed bushings and adjustable bushings on the pressing plate are used to press the corresponding threaded sleeves.

[0007] Further limiting the above technical solution, the auxiliary pressing mechanism is symmetrically arranged; the structure of the auxiliary pressing mechanism: It includes a second pneumatic quick clamp. A pressing block is provided on the side of the pressing arm of the second pneumatic quick clamp, and an adjustable bushing is provided on the pressing block. The pressing arm and the adjustable bushing on the second pneumatic quick clamp are used to press the corresponding threaded sleeves.

[0008] Further limiting the above technical solution, the structure of the adjustable pin sleeve includes a fixed rod, one end of the fixed rod is fixedly connected to the pin sleeve body, and the other end of the fixed rod is connected by a threaded structure.

[0009] Beneficial effects: The welding tooling designed by the utility model can be applied to an automatic welding line, which can improve production efficiency, reduce production costs, and ensure the consistency of welding quality. Description of the Drawings

[0010] Figure 1 is a schematic diagram in the background art.

[0011] Figure 2 is a schematic structural diagram of the utility model.

[0012] Figure 3 is Figure 2 the structural diagram of the adjustable pin sleeve in

[0013] Figure 4 is a diagram of the utility model in use state. Detailed Embodiments

[0014] As Figure 2 shown, the rear suspension lower bracket welding tooling includes a tooling base plate 10. A positioning mechanism, a main pressing mechanism, and a secondary pressing mechanism are provided on the tooling base plate. The positioning mechanism is used to position the gasket assembly and the threaded sleeve assembly on the main arm body, and the main pressing mechanism and the secondary pressing mechanism are used to press the gasket assembly and the threaded sleeve assembly onto the main arm body;

[0015] As Figure 2 shown, the structure of the positioning mechanism includes a front positioning block 11, a middle positioning block 12, and a rear positioning block 13 fixed on the tooling base plate. The front positioning block and the middle positioning block are both symmetrically arranged. Two guide holes are provided on each of the front positioning block and the middle positioning block. An air-operated positioning pin 14 is provided in each guide hole. The air-operated positioning pin on the front positioning block is used to position the front end of the main arm body and the first threaded sleeve assembly. The air-operated positioning pin on the middle positioning block is used to position the side of the middle section of the main arm body, the gasket, and the second threaded sleeve assembly. The rear positioning block is used to position the cavity end of the main arm body; The advantage of this structure is that the threaded sleeve assembly is composed of a plurality of sleeves evenly distributed on both sides of the front end of the main arm body. In order to achieve precise positioning, a symmetrical structure is adopted, which is also beneficial to reducing manufacturing costs;

[0016] The air-operated positioning pin is mainly composed of a cylinder and a positioning pin. The cylinder is used to drive the positioning pin to slide in the guide hole; This air-operated positioning pin is a well-known technology in this field;

[0017] As Figure 2As shown in the figure, the structure of the main pressing mechanism: It includes a first pneumatic quick clamp 15 fixed on the tooling base plate. A pressing plate 16 is welded on the pressing arm of the first pneumatic quick clamp. A plurality of fixed bushings 17 and adjustable bushings 18 are distributed on the pressing plate. The fixed bushings and adjustable bushings on the pressing plate are used to press the corresponding threaded sleeves respectively.

[0018] As Figure 3 shown in the figure, the cylindrical fixed bushing 17 is fixedly connected to the pressing plate.

[0019] As Figure 3 shown in the figure, the structure of the adjustable bushing 18: It includes a fixed rod 1801. One end of the fixed rod is fixedly connected to the bushing body 1802. The other end of the fixed rod is provided with an external thread. A threaded hole is provided on the pressing plate. The fixed rod is screwed to the pressing plate. A back-tightening nut 1803 is provided on the threaded end of the fixed rod.

[0020] As Figure 1 shown in the figure, the threaded sleeve assembly is composed of threaded sleeves of two different heights. In order to achieve simultaneous pressing and the pressing force acts on the same plane, bushings of two structural forms are adopted; The threaded connection method is convenient for adjusting the height of the bushing body; The bushing body is matched with the corresponding pneumatic positioning pin respectively, so as to ensure that the bushing body, the pneumatic positioning pin and the threaded sleeve are on the same axis, which is beneficial to improving the positioning accuracy and thus improving the welding quality; Multiple threaded sleeves share a set of main pressing mechanisms. This integrated structure is beneficial to reducing the manufacturing cost and improving the work efficiency.

[0021] As Figure 2 shown in the figure, the structure of the auxiliary pressing mechanism: It includes a second pneumatic quick clamp 19 fixed on the tooling base plate. A pressing block 20 is welded on the side of the pressing arm of the second pneumatic quick clamp. An adjustable bushing 18 is provided on the pressing block. The pressing arm and the adjustable bushing on the second pneumatic quick clamp are used to press the corresponding threaded sleeves respectively; The adjustable bushing on the pressing block has the same structure as the adjustable bushing on the pressing plate.

[0022] In this specification, the fixed connection parts are welding or screw connection, etc.

[0023] Usage method: 1) As Figure 4 shown in the figure, place the main arm body on the positioning mechanism. The rear positioning block is located in the groove cavity of the main arm body, thus limiting the main arm body; 2) Start the pneumatic positioning pin. The positioning pin passes through the guide hole and the process hole on the main arm body in sequence. After passing through, a threaded sleeve is sleeved on the positioning pin; Among them, a gasket is sleeved on the middle section of the main arm body first, and then a threaded sleeve is sleeved; 3) Start the main pressing mechanism and the auxiliary pressing mechanism. The fixed bushings and adjustable bushings move downward. The positioning pins in the positioning mechanism are inserted into the corresponding bushings respectively. The bushings cooperate with the positioning plate to clamp the parts to be welded.

Claims

1. Rear suspension lower bracket welding tooling, including a tooling base plate, characterized in that: The tooling base plate is provided with a positioning mechanism, a main pressing mechanism and a secondary pressing mechanism. The positioning mechanism is used to position the gasket assembly and the threaded sleeve assembly on the main arm body, and the main pressing mechanism and the secondary pressing mechanism are used to press the gasket assembly and the threaded sleeve assembly onto the main arm body; the secondary pressing mechanism is symmetrically arranged.

2. The welding tooling for the rear suspension lower bracket according to claim 1, characterized in that: The structure of the positioning mechanism: It includes a front positioning block, a middle positioning block and a rear positioning block. The front positioning block and the middle positioning block are both symmetrically arranged. A plurality of guide holes are provided on the front positioning block and the middle positioning block, and pneumatic positioning pins are arranged in the guide holes. The pneumatic positioning pins on the front positioning block are used to position the front end of the main arm body and the first threaded sleeve assembly, and the pneumatic positioning pins on the middle positioning block are used to position the side of the middle section of the main arm body, the gasket and the second threaded sleeve assembly. The rear positioning block is used to position the cavity end of the main arm body.

3. The welding tooling for the rear suspension lower bracket according to claim 1, wherein: The structure of the main pressing mechanism: It includes a first pneumatic quick clamp. A pressing plate is provided on the pressing arm of the first pneumatic quick clamp, and a plurality of fixed bushings and adjustable bushings are distributed on the pressing plate. The fixed bushings and adjustable bushings on the pressing plate are used to press the corresponding threaded sleeves respectively.

4. The welding tooling for the rear suspension lower bracket according to claim 1 or 3, characterized in that: The secondary pressing mechanism is symmetrically arranged; the structure of the secondary pressing mechanism: It includes a second pneumatic quick clamp. A pressing block is provided on the side of the pressing arm of the second pneumatic quick clamp, and an adjustable bushing is provided on the pressing block. The pressing arm and the adjustable bushing on the second pneumatic quick clamp are used to press the corresponding threaded sleeves respectively.

5. The welding tooling for the rear suspension lower bracket according to claim 4, characterized in that: The structure of the adjustable bushing: It includes a fixed rod, one end of the fixed rod is fixedly connected to the bushing body, and the other end of the fixed rod is connected by a threaded structure.

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