Connecting support welding tool of rear suspension lower support
By designing the main clamping mechanism and the secondary clamping mechanism, the precise positioning and compression of the connecting bracket is achieved using components such as pneumatic positioning pins and pneumatic fast clamps, the problems of low welding efficiency and difficult quality in the prior art are solved, and efficient and stable welding effects are achieved.
Patent Information
- Application Number
- CN202421663730.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-07-15
AI Technical Summary
In the prior art, the welding production efficiency of the rear suspension lower bracket is low and the quality is difficult to control.
A welding tool including a main clamping mechanism and a secondary clamping mechanism is designed, and components such as pneumatic positioning pins and pneumatic quick clamps are used to achieve precise positioning and compression of the connecting bracket, and the clamping mechanism is combined to ensure stable positioning of the inner bracket and stable clamping of the main arm body.
It improves welding production efficiency, ensures consistency in welding quality, and reduces production costs.
Smart Images
Figure CN223057037U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of welding of the lower rear mount bracket, in particular to a welding tool for the connecting bracket of the lower rear mount bracket. Background Art
[0002] As Figure 1 The structure of the lower rear mount bracket shown in the figure: It includes a main arm body 1, a connecting bracket is welded inside the groove cavity end of the main arm body, the connecting bracket is composed of an outer bracket 2 and an inner bracket 3, and a plurality of threaded sleeves 4 are distributed on the back surface of the fixed end of the main arm body. Because the welding position and angle of the inner bracket need to meet the design requirements, manual operation on a simple tooling cannot control the welding quality and has low efficiency. Summary of the Utility Model
[0003] The utility model provides a welding tool for the connecting bracket of the lower rear mount bracket, aiming to solve the problems of low production efficiency and poor quality existing in the existing production method.
[0004] To solve the above technical problems, the technical solution of the utility model is: The welding tool for the connecting bracket of the lower rear mount bracket includes a tooling bottom plate, and is characterized in that: a main clamping mechanism and an auxiliary clamping mechanism are provided on the tooling bottom plate, the main clamping mechanism is used to position and press the connecting bracket on the groove cavity end of the main arm body, and the auxiliary clamping mechanism is used to position and press the main arm body; The structure of the main clamping mechanism: It includes a support, a guide sleeve is provided on the side surface of the support, a pneumatic positioning pin is arranged inside the guide sleeve, the pneumatic positioning pin is used to position the outer bracket, a pneumatic quick clamp is provided on the top end of the support, a pressing block is provided on the pressing arm of the pneumatic quick clamp, and the pressing block is used to press the outer bracket, a window is provided on the tooling bottom plate, a positioning block and a clamping mechanism are arranged inside the window, the positioning block is used to position the inner bracket, and the clamping mechanism is used to clamp the inner bracket.
[0005] Further limiting the above technical solution, the shape of the pressing block is adapted to the inner cavity at the upper end of the outer bracket.
[0006] Further limiting the above technical solution, a positioning inclined groove is provided on the top end surface of the positioning block.
[0007] Further limiting the above technical solution, the structure of the clamping mechanism: It includes a left guide rod, a left clamping plate, a left cylinder, a right guide rod, a right clamping plate and a right cylinder. The left guide rod is fixed on the left side surface of the positioning block, a sliding hole is provided on the left clamping plate, and the left clamping plate can slide on the left guide rod through the left cylinder. The right guide rod is fixed on the right side surface of the positioning block, a sliding hole is provided on the right clamping plate, and the right clamping plate can slide on the right guide rod through the right cylinder; A plurality of inner bracket positioning studs are provided on the opposite side surfaces of the left clamping plate and the right clamping plate, and the left clamping plate and the right clamping plate cooperate to clamp the workpiece to be welded on the positioning block.
[0008] Further limit the above technical solution. The structure of the auxiliary clamping mechanism includes a positioning mechanism, a front clamping mechanism, a left pressing mechanism, and a right pressing mechanism. The positioning mechanism is used to position the fixed end of the main arm body. The front clamping mechanism is used to clamp the cavity end of the main arm body. The left pressing mechanism and the right pressing mechanism cooperate to press the fixed end of the main arm body. The structure of the front clamping mechanism includes a guide seat, a connecting plate, a left hinge arm, a left hinge plate, a right hinge arm, a right hinge plate, a slider, and a front cylinder. The connecting plate is fixed on the inner top surface of the guide seat. The middle part of the left hinge arm is hinged to the left end of the connecting plate through a pin shaft. The upper end of the left hinge arm can pass through the top end of the guide seat. The lower end of the left hinge arm is hinged to one end of the left hinge plate through a pin shaft. The middle part of the right hinge arm is hinged to the right end of the connecting plate through a pin shaft. The upper end of the right hinge arm can pass through the top end of the guide seat. The lower end of the right hinge arm is hinged to one end of the right hinge plate through a pin shaft. The other ends of the left hinge plate and the right hinge plate are hinged to the slider through a pin shaft. The slider can move up and down in the guide seat through the front cylinder. The front clamping mechanism is used to clamp the cavity end of the main arm body. The left pressing mechanism and the right pressing mechanism cooperate to press the fixed end of the main arm body.
[0009] Beneficial effects: The welding fixture designed by the present 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 the structural diagram of the present utility model.
[0012] Figure 3 is Figure 2 the internal structural diagram in
[0013] Figure 4 is Figure 3 the structural diagram of the clamping mechanism in
[0014] Figure 5 is this Figure 2 the structural diagram of the auxiliary clamping mechanism in
[0015] Figure 6 is Figure 5 the structural diagram of the front clamping mechanism in
[0016] Figure 7 is Figure 6 the internal structural diagram of Detailed Implementation Modes
[0017] As Figure 2As shown in the figure, the connecting bracket welding tooling for the rear suspension lower bracket includes a tooling base plate 10. A main clamping mechanism and a secondary clamping mechanism are provided on the tooling base plate. The main clamping mechanism is used to position and clamp the connecting bracket onto the groove cavity end of the main arm body, and the secondary clamping mechanism is used to position and clamp the main arm body;
[0018] As Figure 2 and Figure 3 shown in the figure, the structure of the main clamping mechanism: It includes a support 11 fixed on the tooling base plate. A guide sleeve 12 is fixed on the side surface of the support. An air-operated positioning pin 13 is arranged inside the guide sleeve. The air-operated positioning pin is used to position the outer bracket. An air-operated quick clamp 14 is fixed on the top end of the support. A pressing block 15 is fixed on the pressing arm of the air-operated quick clamp. The pressing block is used to clamp the outer bracket;
[0019] As Figure 2 and Figure 3 shown in the figure, the air-operated positioning pin 13 is mainly composed of a positioning pin and a cylinder for driving the positioning pin. The positioning pin can slide horizontally inside the guide sleeve, which belongs to the well-known technology in the field;
[0020] As Figure 2 and Figure 3 shown in the figure, the air-operated quick clamp 14 is mainly composed of a quick clamp and a cylinder, which belongs to the well-known technology in the field;
[0021] As Figure 2 and Figure 3 shown in the figure, the shape of the pressing block 15 is adapted to the inner cavity of the outer bracket. Besides having the clamping function, the pressing block can also avoid the risk of welding deformation;
[0022] As Figure 2 and Figure 3 shown in the figure, a fixed support 16 is fixed on the bottom surface of the tooling base plate 10. The fixed support is fixedly connected to the lower end of a positioning block 17. A window is provided on the tooling base plate. The top end of the positioning block passes through the window; The positioning inclined groove 1701 on the positioning block is used to position the inner bracket. This structure is simple, which is beneficial to reducing production costs and also facilitates the quick positioning of the inner bracket, being stable and reliable;
[0023] As Figure 3 and Figure 4As shown in the figure, the structure of the clamping mechanism 18 that cooperates with the positioning block 17: It includes a left guide rod 1801, a left clamping plate 1802, a left cylinder 1803, a right guide rod 1804, a right clamping plate 1805, and a right cylinder 1806. The left guide rod is fixed on the left side surface of the positioning block. The left clamping plate is provided with a sliding hole, and the left clamping plate can slide horizontally on the left guide rod through the left cylinder. The right guide rod is fixed on the right side surface of the positioning block. The right clamping plate is provided with a sliding hole, and the right clamping plate can slide horizontally on the right guide rod through the right cylinder. On the opposite side surfaces of the left clamping plate and the right clamping plate, there are two inner support positioning studs 1807 each. The left clamping plate and the right clamping plate cooperate to clamp the workpiece to be welded on the positioning block. The left cylinder and the right cylinder are respectively fixed on the bottom surface of the tooling base plate through cylinder seats. Advantages: After the inner support is positioned by the positioning block, it is in an inclined state. In order to further ensure the positioning accuracy, inner support positioning studs are used for auxiliary positioning to ensure the inclination angle of the inner support. The overall structure is compact, suitable for narrow spaces, with balanced acting forces, making the clamping stable and reliable, and avoiding the risk of clamping and welding deformation.
[0024] As Figure 2 and Figure 5 shown in the figure, the structure of the sub-clamping mechanism: It includes a positioning mechanism 19, a front clamping mechanism 20, a left pressing mechanism 21, and a right pressing mechanism 22. The positioning mechanism is used to position the fixed end of the main arm body. The front clamping mechanism is used to clamp the cavity end of the main arm body. The left pressing mechanism and the right pressing mechanism cooperate to press the fixed end of the main arm body.
[0025] As Figure 5 shown in the figure, the structure of the positioning mechanism 19: It includes a positioning block 1901 fixed on the tooling base plate. The positioning block is provided with a plurality of guide holes, and lifting positioning pins 1902 are arranged in the guide holes. The lifting positioning pin is mainly composed of a positioning pin and a cylinder for driving the positioning pin, which is a well-known technology in the field. The positioning pin in the lifting positioning pin can slide up and down in the guide sleeve, and the positioning end of the positioning pin can be inserted into the threaded sleeve of the main arm body. Advantages: During positioning, the lifting positioning pin and the threaded sleeve on the main arm body are on the same axis, which is beneficial to improving the positioning accuracy.
[0026] As Figure 6 and Figure 7As shown in the figure, the structure of the front clamping mechanism 20 includes a guide seat 2001, a connecting plate 2002, a left hinge arm 2003, a left hinge plate 2004, a right hinge arm 2005, a right hinge plate 2006, a slider 2007, and a front cylinder 2008. The guide seat is fixed on the bottom surface of the tooling base plate, the connecting plate is fixed on the inner top surface of the guide seat, the middle part of the left hinge arm is hinged to the left end of the connecting plate through a pin shaft, a window is provided on the top surface of the guide seat, the upper end of the left hinge arm can pass through the inside of the top end of the guide seat, the lower end of the left hinge arm is hinged to one end of the left hinge plate through a pin shaft, the middle part of the right hinge arm is hinged to the right end of the connecting plate through a pin shaft, the upper end of the right hinge arm can pass through the inside of the top end of the guide seat, the lower end of the right hinge arm is hinged to one end of the right hinge plate through a pin shaft, the other ends of the left hinge plate and the right hinge plate are hinged to the slider through a pin shaft, the slider can move up and down in the guide seat through the front cylinder, and the cylinder is fixed on the guide seat. Advantages: This structure is compact, suitable for narrow spaces, the acting force is balanced, making the clamping stable and reliable, and avoiding the risk of clamping and welding deformation;
[0027] As Figure 2 and Figure 5 shown, the structures of the left pressing mechanism 21 and the right pressing mechanism 22 are the same, mainly composed of a quick clamp, a cylinder, and a pressing block, which belong to the well-known technology in the field;
[0028] In this specification, the fixed connection is welding or screw connection, etc.
[0029] Instructions for use: As Figure 2 shown, 1) Start the lifting positioning pin in the positioning mechanism. After the lifting positioning pin passes through the positioning block, place the fixed end of the main arm body on the positioning block, and insert the positioning end of the lifting positioning pin into the threaded sleeve to achieve positioning; Start the left pressing mechanism and the right pressing mechanism. The pressing block of the left pressing mechanism presses the left side of the fixed end of the main arm body through the cylinder, and the pressing block of the right pressing mechanism presses the right side of the fixed end of the main arm body through the cylinder; 2) Start the front clamping mechanism. The left hinge arm and the right hinge arm cooperate to clamp the cavity end of the main arm body; 3) Start the pneumatic positioning pin of the main clamping mechanism. After the positioning end of the pneumatic positioning pin extends out of the guide sleeve, pre-install the outer bracket; The positioning end of the pneumatic positioning pin is stepped, and there is a process hole on the outer bracket. After pre-installing the outer bracket, it is positioned by the stepped surface; 4) The positioning inclined groove on the top surface of the positioning block is used to position the inner bracket. The inner bracket is inclined. Start the clamping mechanism. The left clamping plate and the right clamping plate cooperate to clamp the inner bracket on the positioning block, and the positioning studs on the left clamping plate and the right clamping plate are inserted into the process holes of the inner bracket; 5) Start the pneumatic quick clamp in the main clamping mechanism. The pressing block on the pneumatic quick clamp descends into the cavity of the outer bracket and presses the outer bracket.
Claims
1. Welding tooling for the connecting bracket of the rear suspension lower bracket, including a tooling base plate, characterized in that: The tooling base plate is provided with a main clamping mechanism and a secondary clamping mechanism. The main clamping mechanism is used to position and clamp the connecting bracket onto the slot cavity end of the main arm body, and the secondary clamping mechanism is used to position and clamp the main arm body. The structure of the main clamping mechanism: It includes a support. A guide sleeve is provided on the side surface of the support, and a pneumatic positioning pin is arranged inside the guide sleeve. The pneumatic positioning pin is used to position the outer bracket. A pneumatic quick clamp is provided at the top end of the support. A pressing block is arranged on the pressing arm of the pneumatic quick clamp, and the pressing block is used to clamp the outer bracket. A window is provided on the tooling base plate, and a positioning block and a clamping mechanism are arranged inside the window. The positioning block is used to position the inner bracket, and the clamping mechanism is used to clamp the inner bracket.
2. The connecting bracket welding tooling for the rear suspension lower bracket according to claim 1, wherein: The structure of the clamping mechanism: It includes a left guide rod, a left clamping plate, a left cylinder, a right guide rod, a right clamping plate, and a right cylinder. The left guide rod is fixed on the left side surface of the positioning block. The left clamping plate is provided with a sliding hole, and the left clamping plate can slide on the left guide rod through the left cylinder. The right guide rod is fixed on the right side surface of the positioning block. The right clamping plate is provided with a sliding hole, and the right clamping plate can slide on the right guide rod through the right cylinder. A plurality of inner bracket positioning studs are arranged on the opposite side surfaces of the left clamping plate and the right clamping plate. The left clamping plate and the right clamping plate cooperate to clamp the workpiece to be welded on the positioning block.
3. The connecting bracket welding tooling for the rear suspension lower bracket according to claim 1 or 2, characterized in that: The structure of the secondary clamping mechanism: It includes a positioning mechanism, a front clamping mechanism, a left pressing mechanism, and a right pressing mechanism. The positioning mechanism is used to position the fixed end of the main arm body. The front clamping mechanism is used to clamp the slot cavity end of the main arm body. The left pressing mechanism and the right pressing mechanism cooperate to press the fixed end of the main arm body. The structure of the front clamping mechanism: It includes a guide seat, a connecting plate, a left hinge arm, a left hinge plate, a right hinge arm, a right hinge plate, a slider, and a front cylinder. The connecting plate is fixed on the inner top surface of the guide seat. The middle part of the left hinge arm is hinged to the left end of the connecting plate through a pin shaft. The upper end of the left hinge arm can pass through the top end inside the guide seat. The lower end of the left hinge arm is hinged to one end of the left hinge plate through a pin shaft. The middle part of the right hinge arm is hinged to the right end of the connecting plate through a pin shaft. The upper end of the right hinge arm can pass through the top end inside the guide seat. The lower end of the right hinge arm is hinged to one end of the right hinge plate through a pin shaft. The other ends of the left hinge plate and the right hinge plate are hinged to the slider through a pin shaft. The slider can move up and down inside the guide seat through the front cylinder. The front clamping mechanism is used to clamp the slot cavity end of the main arm body. The left pressing mechanism and the right pressing mechanism cooperate to press the fixed end of the main arm body.
4. The connecting bracket welding tooling for the rear suspension lower bracket according to claim 3, characterized in that: The shape of the pressing block is adapted to the inner cavity at the upper end of the outer bracket.
5. The connecting bracket welding tooling for the rear suspension lower bracket according to claim 1 or 2 or 4, characterized in that: A positioning inclined groove is provided on the top end surface of the positioning block.