Integrated rear suspension lower support welding tool

Abstract

The utility model discloses an integrated rear suspension lower support welding tool which comprises a tool bottom plate and is characterized in that a main clamping mechanism, a left clamping mechanism and a right clamping mechanism are arranged on the tool bottom plate, and the main clamping mechanism is used for positioning and clamping a connecting support on a main arm body; the left clamping mechanism structurally comprises a fixing base, a guide block is arranged on the side face of the fixing base, two guide holes are formed in the guide block, a gasket positioning pin is arranged in one guide hole, a thread bushing positioning pin is arranged in the other guide hole, the other end of the gasket positioning pin and the other end of the thread bushing positioning pin are connected with a sliding block in the fixing base, and the other end of the gasket positioning pin and the other end of the thread bushing positioning pin are connected with the sliding block. The slide block is driven by a cylinder; the left clamping mechanism and the right clamping mechanism are the same in structure. According to the utility model, the welding procedure is reduced to two procedures, so that the production efficiency can be improved and the production cost can be reduced; the automatic welding device can be applied to an automatic welding line, and welding quality consistency is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding of rear suspension lower brackets, and particularly relates to an integrated welding tool for rear suspension lower brackets. Background Art

[0002] As Figure 1 The structure of the rear suspension lower bracket shown: 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. A washer 4 and a threaded sleeve 5 are welded on the outer side surface of the groove cavity end of the main arm body. Currently, two processes are required to complete the processing of the washer and the threaded sleeve. Therefore, more welding tools and employees are invested, resulting in low operation efficiency and high input cost; manual welding has the problem of poor consistency, the welding quality cannot be controlled, and the efficiency is low. Summary of the Utility Model

[0003] The utility model provides an integrated welding tool for rear suspension lower brackets, 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 integrated welding tool for rear suspension lower brackets includes a tooling bottom plate, and is characterized in that: a main clamping mechanism, a left clamping mechanism and a right clamping mechanism are arranged on the tooling bottom plate. The main clamping mechanism is used to position and clamp the connecting bracket on the main arm body; The structure of the left clamping mechanism: It includes a fixed seat. A guide block is arranged on the side surface of the fixed seat. Two guide holes are arranged on the guide block. A washer positioning pin is arranged in one of the guide holes, and a threaded sleeve positioning pin is arranged in the other guide hole. The other ends of the washer positioning pin and the threaded sleeve positioning pin are connected to a slider inside the fixed seat. The slider is driven by a cylinder; The structures of the left clamping mechanism and the right clamping mechanism are the same.

[0005] Further limiting the above technical solution, the main clamping mechanism is composed of an outer bracket clamping mechanism and an inner bracket clamping mechanism; The structure of the outer bracket clamping mechanism: It includes a support. A guide sleeve is arranged on the side surface of the support. A pneumatic positioning pin is arranged in the guide sleeve. The pneumatic positioning pin is used to position the outer bracket. A pneumatic quick clamp is arranged on the top end of the support. The pressing arm of the pneumatic quick clamp is used to press the outer bracket.

[0006] Further limitation to the above technical solution: The structure of the inner bracket clamping mechanism: A fixed support is provided on the bottom surface of the tooling base plate, a positioning block is provided on the fixed support, a window is provided on the tooling base plate, and the top end of the positioning block passes through the window; The positioning inclined groove on the positioning block is used to position the inner bracket; A left guide rod is provided on the left side surface of the positioning block, a left clamping plate is provided on the left guide rod, and the left clamping plate can slide on the left guide rod through a left air cylinder; A right guide rod is provided on the right side surface of the positioning block, a right clamping plate is provided on the right guide rod, and the right clamping plate can slide on the right guide rod through a right air cylinder; Two 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 and position the workpiece to be welded on the positioning block.

[0007] Further limitation to the above technical solution, the structure of the washer positioning pin: It includes a first pin rod, an installation groove is provided on the end surface of the positioning end of the first pin rod, and a movable pin is provided in the installation hole, and the movable pin is used to position the washer.

[0008] Further limitation to the above technical solution, a strong magnet is provided inside the positioning end of the first pin rod, and the movable pin is fixed by magnetic attraction.

[0009] Further limitation to the above technical solution, the structure of the threaded sleeve positioning pin: It includes a second pin rod, a positioning groove is provided on the end surface of the positioning end of the second pin rod, and the positioning groove is used to position the threaded sleeve.

[0010] Beneficial effects: The utility model reduces the welding process to two processes, which can improve production efficiency and reduce production costs; The utility model can be applied to an automatic welding line to ensure the consistency of welding quality. Description of the Drawings

[0011] Figure 1 is a schematic diagram in the background art.

[0012] Figure 2 is the structural diagram of the utility model.

[0013] Figure 3 is Figure 2 the diagram of the inner bracket clamping mechanism in

[0014] Figure 4 is Figure 2 the three-dimensional view of the left clamping mechanism in Figure 1 .

[0015] Figure 5 is Figure 2 the three-dimensional view of the left clamping mechanism in Figure 2 .

[0016] Figure 6 is the usage state diagram of the utility model. Detailed Implementation Modes

[0017] As Figure 2 shown, the integrated rear suspension lower bracket welding tooling includes a tooling base plate 10, on which a main clamping mechanism, a left clamping mechanism and a right clamping mechanism are provided. The main clamping mechanism is used to position and clamp the connecting bracket on the main arm body; the main clamping mechanism is composed of an outer bracket clamping mechanism and an inner bracket clamping mechanism;

[0018] As Figure 2 shown, the structure of the outer bracket clamping mechanism: it includes a support 11 fixed on the tooling base plate 10, a guide sleeve 12 is fixed on the side of the support, a pneumatic positioning pin 13 is arranged in the guide sleeve, the pneumatic positioning pin is used to position the outer bracket, and a pneumatic quick clamp 14 is fixed on the top of the support. The pressing arm of the pneumatic quick clamp is used to press the outer bracket;

[0019] The pneumatic positioning pin 13 is mainly composed of a positioning pin and a cylinder for driving the positioning pin. The positioning pin can slide horizontally in the guide sleeve, which belongs to the well-known technology in the field;

[0020] The pneumatic 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, the structure of the inner bracket clamping mechanism 15: a fixed support 1501 is provided on the bottom surface of the tooling base plate, the fixed support is fixedly connected with the lower end of the positioning block 1502, a window is provided on the tooling base plate, and the top end of the positioning block passes through the window; the positioning inclined groove 1503 on the positioning block is used to position the inner bracket. This structure is simple, which is beneficial to reducing production costs and is also convenient for quickly positioning the inner bracket, Stable reliable;

[0022] As Figure 2 and Figure 3 shown, a left guide rod 1504 is fixed on the left side surface of the positioning block 1502, a left clamping plate 1505 is fixed on the left guide rod, and the left clamping plate can slide horizontally on the left guide rod through a left cylinder 1506; a right guide rod 1507 is fixed on the right side surface of the positioning block, a right clamping plate 1508 is arranged on the right guide rod, and the right clamping plate can slide horizontally on the right guide rod through a right cylinder 1509; two inner bracket positioning studs 1510 are provided 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; the left cylinder and the right cylinder are respectively fixed on the bottom surface of the tooling base plate through cylinder seats; Advantage: After the inner bracket is positioned by the positioning block, it is inclined. In order to further ensure the positioning accuracy, inner bracket positioning studs are used for auxiliary positioning to ensure the inclination angle of the inner bracket; the overall structure is compact, suitable for narrow spaces, and the acting force is balanced, making Clamping stability reliable and avoiding the risk of clamping and welding deformation;

[0023] As Figure 2 , Figure 4 and Figure 5 shown, the structure of the left clamping mechanism 16: It includes a fixed seat 1601. A guide block 1602 is provided on the side surface of the fixed seat. Two guide holes are provided on the guide block. A washer positioning pin 1603 is arranged in one of the guide holes, and a threaded sleeve positioning pin 1604 is arranged in the other guide hole. The other ends of the washer positioning pin and the threaded sleeve positioning pin are connected to a slider 1605 inside the fixed seat. The slider is driven by a cylinder 1606; the washer positioning pin and the threaded sleeve positioning pin play a role in positioning and pressing, which is beneficial to simplifying the structure and reducing the manufacturing cost;

[0024] As Figure 2 , Figure 4 and Figure 5 shown, the structure of the washer positioning pin 1603: It includes a first pin rod 16031. An installation groove is provided on the end surface of the positioning end of the first pin rod. A movable pin 16032 is arranged in the installation hole. The movable pin is used to position the washer; This structure is simple, with low manufacturing cost and reliable positioning Stable ;

[0025] As Figure 5 shown, a strong magnet 16033 is arranged inside the positioning end of the first pin rod. The movable pin is fixed by magnetic attraction; The washer positioning pin can be converted into a threaded sleeve positioning pin for use by the magnetic attraction method; This structure is simple, with low manufacturing cost and reliable positioning Stable ;

[0026] As Figure 2 , Figure 4 and Figure 5 shown, the structure of the threaded sleeve positioning pin 1604: It includes a second pin rod 16041. A positioning groove 16042 is provided on the end surface of the positioning end of the second pin rod. The positioning groove is used to position the threaded sleeve;

[0027] As Figure 2 shown, the structures of the left clamping mechanism and the right clamping mechanism 17 are the same; The symmetrically arranged left clamping mechanism and right clamping mechanism make the acting forces balanced, with reliable positioning, Clamping stability avoiding the risk of clamping and welding deformation;

[0028] In this specification, the fixed connection is welding or screw connection, etc.

[0029] Instructions for use: As Figure 6As shown in the figure, 1) in the inner bracket clamping mechanism, the positioning inclined groove on the top surface of the positioning block is used to position the inner bracket; 2) in the outer bracket clamping mechanism, start the pneumatic positioning pin, and the positioning end of the pneumatic positioning pin penetrates out of the process hole of the outer bracket; 3) start the cylinder in the inner bracket clamping mechanism, and 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 hole of the inner bracket; start the pneumatic quick clamp in the outer bracket clamping mechanism, and the pressing arm on the pneumatic quick clamp presses the outer bracket cavity and presses it against the guide sleeve; 4) pre-install the washer on the washer positioning pin, the positioning end of the washer positioning pin is stepped, and the outer bracket is positioned by the stepped surface after pre-installation; the positioning groove on the threaded sleeve positioning pin is a counterbore shape, one end of the threaded sleeve is inserted into the positioning groove, start the cylinder in the left clamping mechanism, and press the washer and the threaded sleeve against the outer side of the cavity end of the main arm body, and the movable pin on the washer positioning pin penetrates out of the process hole of the main arm body, so as to ensure the positioning accuracy of the workpiece to be welded.

Claims

1. Integrated rear suspension lower bracket welding tooling, including a tooling base plate, characterized in that: The tooling base plate is provided with a main clamping mechanism, a left clamping mechanism and a right clamping mechanism. The main clamping mechanism is used to position and clamp the connecting bracket on the main arm body. The structure of the left clamping mechanism: It includes a fixed seat. A guide block is provided on the side surface of the fixed seat. Two guide holes are provided on the guide block. A washer positioning pin is arranged in one of the guide holes, and a threaded sleeve positioning pin is arranged in the other guide hole. The other ends of the washer positioning pin and the threaded sleeve positioning pin are connected to a slider inside the fixed seat. The slider is driven by a cylinder. The structures of the left clamping mechanism and the right clamping mechanism are the same.

2. The integrated rear suspension lower bracket welding tooling according to claim 1, wherein: The main clamping mechanism is composed of an outer bracket clamping mechanism and an inner bracket clamping mechanism. The structure of the outer bracket 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. The pressing arm of the pneumatic quick clamp is used to press the outer bracket.

3. The integrated rear suspension lower bracket welding tooling according to claim 2, characterized in that: The structure of the inner bracket clamping mechanism: A fixed support is provided on the bottom surface of the tooling base plate. A positioning block is provided on the fixed support. A window is provided on the tooling base plate. The top end of the positioning block passes through the window. The positioning inclined groove on the positioning block is used to position the inner bracket. A left guide rod is provided on the left side surface of the positioning block. A left clamping plate is provided on the left guide rod. The left clamping plate can slide on the left guide rod through a left cylinder. A right guide rod is provided on the right side surface of the positioning block. A right clamping plate is provided on the right guide rod. The right clamping plate can slide on the right guide rod through a right cylinder. Two inner bracket positioning studs are provided on the side surfaces of the left clamping plate and the right clamping plate facing each other. The left clamping plate and the right clamping plate cooperate to clamp the workpiece to be welded on the positioning block.

4. The integrated rear suspension lower bracket welding tooling according to claim 1 or 2, characterized in that: The structure of the washer positioning pin: It includes a first pin rod. An installation groove is provided on the end surface of the positioning end of the first pin rod. A movable pin is arranged in the installation hole. The movable pin is used to position the washer.

5. The integrated rear suspension lower bracket welding tooling according to claim 4, wherein: A strong magnet is arranged inside the positioning end of the first pin rod. The movable pin is fixed by magnetic attraction.

6. The integrated rear suspension lower bracket welding tooling according to claim 4, characterized in that: The structure of the threaded sleeve positioning pin: It includes a second pin rod. A positioning groove is provided on the end surface of the positioning end of the second pin rod. The positioning groove is used to position the threaded sleeve.

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