Machining clamp for rear suspension control arm

Abstract

The utility model relates to a processing clamp of a rear suspension control arm, which comprises a bottom plate, four control arm placing positions and a rear top positioning oil cylinder, and the upper end face of the bottom plate is symmetrically provided with the four control arm placing positions. The front end of the upper end face of the bottom plate is provided with four rear ejection positioning oil cylinders with the ejection ends facing backwards and in one-to-one correspondence with the front ends of the four control arm placing positions, the middle of the bottom plate is provided with a middle pressing oil cylinder, and the rear end of the upper end face of the bottom plate is provided with rear abutting pieces in one-to-one correspondence with the rear ends of the four control arm placing positions; the four control arm placing positions are divided into a left group and a right group, each group comprises two control arm placing positions, a middle positioning oil cylinder is mounted between the two control arm placing positions on the same side, and end fixing oil cylinders are mounted on the left sides or the right sides of the front ends and the rear ends of the control arm placing positions. The fixture has the characteristics that the rear suspension control arm is convenient to position, the clamping force is moderate, a product is not easy to damage, the clamping firmness is good, the fixture is suitable for repeated operation, the production efficiency is improved, the machining precision is ensured and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing fixture technical field, especially a kind of processing fixture of rear suspension control arm. BACKGROUND

[0002] Rear suspension control arm is a very important component in new energy vehicles, the part bushing hole wall thickness is relatively thin, part structure rigidity is weak, product is easy to deform, vibration in processing process, if using ordinary conventional positioning mode, product is easy to change shape, cause dimensional error, simultaneously, during clamping process of fixture, repeatability of fixture is poor, affect processing efficiency, not suitable for mass production, to solve the above problems, a new processing fixture needs to be designed. SUMMARY

[0003] The utility model solves the technical problem to provide a kind of processing fixture of rear suspension control arm, with the characteristics such as convenient rear suspension control arm positioning, clamping force is moderate, not easy to damage product, clamping firmness is good, suitable for repeated operation, improve production efficiency, ensure processing accuracy.

[0004] The utility model solves the technical problem and adopts the technical scheme that provides a kind of processing fixture of rear suspension control arm, including bottom plate, control arm placement and rear top positioning oil cylinder, the upper end surface of the bottom plate is symmetrically arranged with four control arm placements, the front end of the upper end surface of the bottom plate is installed with four rear top positioning oil cylinders, and the four control arm placements are one-to-one corresponding to the front end of the four control arm placements, the middle part of the bottom plate is installed with middle part pressing oil cylinder, the rear end of the upper end surface of the bottom plate is installed with the rear part abutting member corresponding to the rear end of the four control arm placements, four control arm placements are divided into left and right two groups, and each group is arranged with two, and the middle part positioning oil cylinder is installed between the two control arm placements of the same side, and the end part fixed oil cylinder is installed on the left side or the right side of the front and rear ends of the control arm placement.

[0005] In the technical scheme, four control arm placements are arranged to enable the finishing machining of four products during processing, thereby improving production efficiency, and four rear top positioning oil cylinders and four rear part abutting members are installed to push the front and rear ends of the products, thereby avoiding product damage, product deformation and product dimensional error, and the middle part positioning oil cylinder and the end part fixed oil cylinder are arranged to fix and clamp the products, thereby ensuring the clamping firmness of the products and facilitating the quick taking out and placing of the products.

[0006] As a supplement to the technical scheme, the end part fixed oil cylinder and the middle part pressing oil cylinder adopt the same structure, and the end part fixed oil cylinder and the middle part pressing oil cylinder each include a pressing oil cylinder and a pressing rod, the main shaft of the pressing oil cylinder faces upward, the main shaft of the pressing oil cylinder is connected to one end of the pressing rod, and the other end of the pressing rod extends above the control arm placement.

[0007] The lower pressing oil cylinder is arranged to drive the pressing rod to press down and fix the product.

[0008] As a supplement to the technical solution, a support is arranged below the other end of the pressing rod, the support is arranged on the bottom plate, the upper end of the support is in contact with the lower side of the control arm placement position, and the support is arranged to provide an upward supporting point to ensure the clamping firmness.

[0009] As a supplement to the technical solution, the middle lower pressing oil cylinder comprises a middle oil cylinder and a middle pressing rod, the middle oil cylinder is vertically arranged on the bottom plate, the middle pressing rod is arranged on the main shaft of the middle oil cylinder, the two ends of the middle pressing rod are downwardly inclined and correspond to the control arm placement positions on both sides, and supports are arranged below the two ends of the middle pressing rod.

[0010] As a supplement to the technical solution, the rear top positioning oil cylinder comprises an oil cylinder support, a rear top oil cylinder and an ejection block, the rear top oil cylinder is arranged on the main shaft of the oil cylinder support, the ejection block is arranged on the main shaft of the rear top oil cylinder, a clamping groove is arranged in the middle of the rear side of the ejection block, the rear abutting member comprises a rear base and an abutting block, the abutting block is arranged on the rear base, and a clamping groove is also arranged in the middle of the front side of the abutting block.

[0011] As a supplement to the technical solution, the clamping grooves of the ejection block and the abutting block adopt a V-shaped groove structure.

[0012] Since the front and rear ends of the rear suspension control arm adopt arc surface structures, the V-shaped groove structure can more easily support the end of the product, and the support force is dispersed to avoid damaging the product, and the two ends of the ejection block are provided with guide columns inserted into the rear top oil cylinder to guide the movement of the ejection block.

[0013] As a supplement to the technical solution, a lifting ring structure is arranged on the upper end face of the bottom plate.

[0014] As a supplement to the technical solution, a coarse limit block corresponding to the control arm placement position is arranged on the upper end face of the bottom plate, a coarse limit block is arranged at the front and rear end positions of each control arm placement position, and a notch structure for the control arm placement position to pass through is arranged in the middle of the coarse limit block.

[0015] As a supplement to the technical scheme, the control arm placement position is provided around the bottom plate, and a spray pipe is installed on the bottom plate, the gas outlet of the spray pipe is inclined to the direction of the control arm placement position, the inside of the bottom plate is provided with a liquid inlet pipe which is connected with the spray pipe, and the air channel structure is used to introduce external air and spray the cutting liquid from the spray pipe, so that the cutting liquid is separated from the waste cutting, thereby avoiding the influence of the waste cutting on the machining.

[0016] Beneficial effects: the utility model relates to a machining clamp of rear suspension control arm, four control arm placement positions are arranged, so that the finish machining of four products can be carried out in the machining process, and the production efficiency is improved, four rear top positioning oil cylinders and four rear abutting members are installed to push the front and rear ends of the product, so that the product can be prevented from being damaged, deformation and size error, the middle positioning oil cylinder and the end fixing oil cylinder are arranged to fix and clamp the product, the clamping firmness of the product is ensured, the product is conveniently taken out and put in, and the rear suspension control arm positioning is convenient, the clamping force is moderate, the product is not easily damaged, the clamping firmness is good, repeated operation is suitable, the production efficiency is improved, and the machining precision is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the top view of the utility model;

[0019] Figure 3 It is the structure view of the utility model.

[0020] Illustration: 1, bottom plate, 2, control arm placement position, 3, rear top positioning oil cylinder, 4, rear abutting member, 5, middle down-pressing oil cylinder, 6, end fixing oil cylinder, 7, middle positioning oil cylinder, 8, rough limit block, 9, lifting ring structure, 10, abutting block, 11, rear base, 12, down-pressing oil cylinder, 13, pressure rod, 14, middle oil cylinder, 15, middle pressure rod, 16, support, 17, spray pipe, 18, oil cylinder support, 19, rear top oil cylinder, 20, air pressure sensor. DETAILED DESCRIPTION

[0021] The utility model is further described in connection with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0022] The embodiment of the utility model relates to a machining clamp of rear suspension control arm, such as Figure 1As shown in figure 3, it comprises a base plate 1, control arm placing positions 2 and rear top positioning oil cylinders 3, the upper end face of the base plate 1 is symmetrically provided with four control arm placing positions 2, the front end of the upper end face of the base plate 1 is provided with four rear top positioning oil cylinders 3 which are rearward and correspond to the front ends of the four control arm placing positions 2 one by one, the middle part of the base plate 1 is provided with a middle part pressing oil cylinder 5, the rear end of the upper end face of the base plate 1 is provided with rear part abutting members 4 which correspond to the rear ends of the four control arm placing positions 2 one by one, the four control arm placing positions 2 are divided into two groups, two in each group, and the middle part positioning oil cylinders 7 are installed between the two control arm placing positions 2 on the same side, and the end part fixing oil cylinders 6 are installed on the left or right side of the front and rear ends of the control arm placing positions 2.

[0023] In the technical solution, the four control arm placing positions 2 are arranged to enable the finishing of four products in the machining process, thereby improving the production efficiency, and the four rear top positioning oil cylinders 3 and the four rear part abutting members 4 are installed to push the front and rear ends of the products, thereby avoiding the damage of the products, the deformation of the products and the size error of the products, and the middle part positioning oil cylinders 7 and the end part fixing oil cylinders 6 are arranged to fix and clamp the products, thereby ensuring the clamping firmness of the products and facilitating the quick taking out and putting in of the products.

[0024] As a supplement to the technical solution, the end part fixing oil cylinders 6 and the middle part pressing oil cylinders 5 adopt the same structure, and the end part fixing oil cylinders 6 and the middle part pressing oil cylinders 5 both comprise a pressing oil cylinder 12 and a pressing rod 13, the main shaft of the pressing oil cylinder 12 is upward, the main shaft of the pressing oil cylinder 12 is connected with one end of the pressing rod 13, and the other end of the pressing rod 13 extends above the control arm placing position 2.

[0025] In the technical solution, the pressing oil cylinder 12 is arranged to drive the pressing rod 13 to press down, thereby completing the pressing and fixing of the products.

[0026] As a supplement to the technical solution, the other end of the pressing rod 13 is provided with a support 16, the support 16 is installed on the base plate 1, and the upper end of the support 16 abuts against the lower side of the control arm placing position 2, thereby providing an upward supporting point to ensure the clamping firmness.

[0027] As a supplement to the technical solution, the middle part pressing oil cylinder 5 comprises a middle part oil cylinder 14 and a middle part pressing rod 15, the middle part oil cylinder 14 is vertically installed on the base plate 1, the middle part oil cylinder 14 is provided with the middle part pressing rod 15 on the main shaft, the two ends of the middle part pressing rod 15 are downwardly inclined and correspond to the control arm placing positions 2 on both sides, and the supports 16 are arranged below the two ends of the middle part pressing rod 15.

[0028] As a supplement to the technical solution, the rear top positioning oil cylinder 3 comprises an oil cylinder support 18, a rear top oil cylinder 19 and a ejection block 20, the rear top oil cylinder 19 is installed on the oil cylinder support 18, the ejection block 20 is installed on the main shaft of the rear top oil cylinder 19, the ejection block 20 is provided with a clamping groove in the middle of the rear side, the rear part abutting member 4 comprises a rear part base 11 and an abutting block 10, the abutting block 10 is installed on the rear part base 11, and the abutting block 10 is also provided with a clamping groove in the middle of the front side.

[0029] As a supplement to the technical solution, the clamping grooves of the ejection block 20 and the abutting block 10 adopt a V-shaped groove structure.

[0030] Since the front and rear ends of the rear suspension control arm adopt an arc surface structure, the product end part is more easily supported through the V-shaped groove structure, and the supporting force is dispersed, so as to avoid damaging the product, and the two ends of the ejection block 20 are provided with guide columns inserted into the rear top oil cylinder 19, which are used to guide the movement of the ejection block 20.

[0031] As a supplement to the technical solution, the upper end face of the bottom plate 1 is provided with a lifting ring structure 9 at four corners.

[0032] As a supplement to the technical solution, the upper end face of the bottom plate 1 is provided with a coarse limit block 8 corresponding to the control arm placing position 2, and each control arm placing position 2 is provided with a coarse limit block 8 at the front and rear end positions, and the coarse limit block 8 is provided with a notch structure for the control arm placing position 2 to pass through.

[0033] As a supplement to the technical solution, the control arm placing position 2 is provided with a spray head pipe 17 around the bottom plate 1, the gas outlet of the spray head pipe 17 is inclined towards the control arm placing position 2, the bottom plate 1 is provided with a liquid inlet pipe connected with the spray head pipe 17, which is used to introduce external air through the airway structure, and the cutting chip liquid is sprayed out from the spray head pipe 17, so as to take away the waste chips, thereby avoiding the influence of the waste chips on the machining.

Claims

1. A machining fixture for a rear suspension control arm, characterized by: It includes bottom plate (1), control arm placement site (2) and rear top positioning oil cylinder (3), the upper end face of the bottom plate (1) is symmetrically arranged with four control arm placement sites (2), the upper end face of the bottom plate (1) is installed with four rear top positioning oil cylinders (3) with top end backward and corresponding with the front end of four control arm placement sites (2), the middle part of the bottom plate (1) is installed with middle part down-pressing oil cylinder (5), the rear end of the upper end face of the bottom plate (1) is installed with rear part abutting member (4) corresponding with the rear end of four control arm placement sites (2), four control arm placement sites (2) are divided into left and right two groups, each group is arranged with two, middle part positioning oil cylinder (7) is installed between the two control arm placement sites (2) on the same side, end part fixed oil cylinder (6) is installed on the left side or right side of the front and rear end of the control arm placement site (2).

2. The machining fixture of trailing control arms according to claim 1, characterized in that: The end part fixed oil cylinder (6) and the middle part down-pressing oil cylinder (5) adopt the same structure, the end part fixed oil cylinder (6) and the middle part down-pressing oil cylinder (5) all include down-pressing oil cylinder (12) and pressing rod (13), the main shaft of the down-pressing oil cylinder (12) is upward, the main shaft of the down-pressing oil cylinder (12) is connected with one end of the pressing rod (13), the other end of the pressing rod (13) extends to the upper side of the control arm placement site (2).

3. A machining fixture for a rear suspension control arm according to claim 2, characterized in that: The other end of the pressing rod (13) is installed with support (16) below, the support (16) is installed on the bottom plate (1), the upper end of the support (16) is in abutment with the lower side of the control arm placement site (2).

4. The machining fixture for a rear suspension control arm according to claim 1, characterized in that: The middle part down-pressing oil cylinder (5) includes middle part oil cylinder (14) and middle part pressing rod (15), the middle part oil cylinder (14) is vertically installed on the bottom plate (1), the main shaft of the middle part oil cylinder (14) is installed with middle part pressing rod (15), the two ends of the middle part pressing rod (15) are downwardly inclined and correspond with the control arm placement sites (2) on both sides, the two ends of the middle part pressing rod (15) are all provided with support (16) below.

5. The machining fixture for a rear suspension control arm according to claim 1, characterized in that: The rear top positioning oil cylinder (3) includes oil cylinder support (18), rear top oil cylinder (19) and ejection block (20), the rear top oil cylinder (19) with rear main shaft is installed on the oil cylinder support (18), the ejection block (20) is installed on the main shaft of the rear top oil cylinder (19), the rear side middle part of the ejection block (20) is provided with clamping groove, the rear part abutting member (4) includes rear part base (11) and abutting block (10), the abutting block (10) is installed on the rear part base (11), the front side middle part of the abutting block (10) is also provided with clamping groove.

6. A machining fixture for a rear suspension control arm according to claim 5, characterized in that: The clamping grooves of the ejection block (20) and the abutting block (10) adopt V-shaped groove structure.

7. The machining fixture for a rear suspension control arm according to claim 1, characterized in that: The upper end face of the bottom plate (1) is installed with lifting ring structure (9) on four corners.

8. The machining fixture for a rear suspension control arm according to claim 1, characterized in that: The upper end face of the bottom plate (1) is installed with coarse limit block (8) corresponding with the control arm placement site (2), one coarse limit block (8) is arranged at the front and rear end position of each control arm placement site (2), the middle part of the coarse limit block (8) is provided with notch structure for the control arm placement site (2) to pass through.

9. The machining fixture for a rear suspension control arm according to claim 1, characterized in that: The control arm placement position (2) is provided with a nozzle pipe (17) on the bottom plate (1), the air outlet of the nozzle pipe (17) is inclined to the control arm placement position (2), and the bottom plate (1) is internally provided with a liquid inlet pipeline which is connected with the nozzle pipe (17).

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