Device for clamping air valve seat in vacuum booster assembly line

Abstract

The utility model relates to a device for clamping an air valve seat in a vacuum booster assembly line, and belongs to the field of automobile part clamping devices. The clamping head is installed in a positioning hole of the clamping body, the fixing rod penetrates through the clamping head and is in threaded connection with the clamping body, the rear end of the material returning rod is installed in a center hole of the clamping body, the front end of the material returning rod penetrates through a center hole of the fixing rod, the front end of the spring is installed at the tail of the material returning rod, the rear end of the spring abuts against the set screw, the set screw is in threaded connection with the clamping body, and the clamping body is in sliding connection with the clamping sleeve. The two limiting screws on the clamping sleeve are located in the limiting grooves in the clamp body. The air valve seat grabbing device has the advantages that the structure is novel, a mechanical structure is adopted, the shrinkage of the chucks is controlled to clamp the air valve seat, parts with different diameters are grabbed by changing the diameters of the chucks, the cost input is low, model changing is convenient and fast, the structure is a quick-change structure, and the corresponding chucks are manufactured according to the parts with different diameters, so that the air valve seat grabbing device is suitable for a multi-variety and small-batch production mode.

Description

Technical Field

[0001] The utility model belongs to the field of automobile parts clamping devices, in particular to a device for clamping an air valve seat in a vacuum booster assembly line. Background Art

[0002] The booster in the automobile braking system is a component that uses hydraulic pressure, air pressure, vacuum (negative pressure) or electrical energy to increase the force applied by the driver to the pedal. Currently, boosters include air boosters, vacuum boosters, electric boosters, hydraulic boosters, etc. The main function of the vacuum booster is to amplify the servo force through the pedal force, act on the brake master cylinder, make it move forward, compress the brake fluid in the master cylinder, and then deliver hydraulic pressure to the brake system of the vehicle through the brake master cylinder oil outlet, thereby realizing the braking function of the vehicle.

[0003] During the assembly process of the vacuum booster, in order to improve the degree of automation of the equipment, it is necessary to add the function of automatic gripping of the air valve seat. At the same time, in order to control cost investment, it is necessary to develop a device that can grip parts to achieve the gripping of parts. For the production mode of multiple varieties and small batches, it is also necessary to produce a gripping device that can achieve rapid changeover when switching products according to the different diameters of the parts. Summary of the invention

[0004] The utility model provides a device for clamping an air valve seat in a vacuum booster assembly line, which is used for automatically grasping the air valve seat in the vacuum booster product.

[0005] The technical solution adopted by the utility model is that it includes a clamp body, a clamp sleeve, a limit screw, a clamp head, a fixing rod, a material return rod, a spring and a set screw, wherein the clamp head is installed in the positioning hole of the clamp body, the fixing rod passes through the clamp head and is threadedly connected to the clamp body, the rear end of the material return rod is installed in the center hole of the clamp body, and the front end passes through the center hole of the fixing rod, the front end of the spring is installed at the tail of the material return rod, and the rear end is top-connected with the set screw, the set screw is threadedly connected to the clamp body, the clamp body is slidably connected to the clamp sleeve, and the two limit screws on the clamp sleeve are located in the limit grooves on the clamp body.

[0006] The center hole of the clamp body is connected with the positioning hole, the center hole is a stepped hole, the limiting groove is located on the outer wall of the clamp body, and a convex stop is provided at the lower part of the clamp body.

[0007] The front end of the collet is matched with the head of the collet by an inclined surface to control the contraction and release of the collet, and the rear end has two paving ring grooves.

[0008] The limit screws are respectively connected with the jacket threads.

[0009] The head of the chuck adopts a conical structure and has 6 slots.

[0010] The fixing rod fixes the clamp in the positioning hole of the clamp body through the stepped boss.

[0011] The push rod is slidably connected with the central hole of the clamp body.

[0012] The set screw is a hexagon socket flat-end set screw.

[0013] The advantages of the utility model are novel structure, mechanical structure is adopted, the contraction of the chuck is controlled to realize the clamping of the air valve seat, the chuck adopts a conical structure and a slot, and through the inclined surface matching structure, the chuck can be deformed and contracted by the advancement of the sleeve, so as to clamp the workpiece, and a spring material withdrawal mechanism is also designed inside. After the workpiece is clamped, the sleeve is retracted, the chuck pops open, and the material withdrawal mechanism pushes the workpiece out of the chuck, which effectively prevents the problem of parts being stuck. The utility model can grasp parts of different diameters by changing the diameter of the chuck. The chuck has good elasticity and fatigue resistance after heat treatment, low cost investment, convenient and fast changeover, and is a quick-change structure. By making corresponding chucks according to parts of different diameters, it is suitable for a multi-variety and small-batch production mode, and can be used in the assembly process of vacuum booster assemblies of higher-end cars and microcars, and cooperates with automatic equipment to realize workpiece clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings used in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the chuck of the utility model. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0019] like Figure 1 , Figure 2As shown, it includes a clamp body 1, a sleeve 2, a limit screw 3, a clamp head 4, a fixing rod 5, a material return rod 6, a spring 7 and a set screw 8, wherein the clamp head 4 is installed in the positioning hole 102 of the clamp body 1, the fixing rod 5 passes through the clamp head 4 and is threadedly connected to the clamp body 1, the rear end of the material return rod 6 is installed in the center hole 101 of the clamp body 1, and the front end passes through the center hole of the fixing rod 5, the front end of the spring 7 is installed at the tail of the material return rod 6, and the rear end is top-connected with the set screw 8, the set screw 8 is threadedly connected to the clamp body 1, the clamp body 1 is slidably connected to the clamp sleeve 2, and the two limit screws 3 on the clamp sleeve 2 are located in the limit groove 103 on the clamp body 1.

[0020] The center hole 101 of the clamp body 1 is connected to the positioning hole 102. The center hole 101 is a stepped hole. The limiting groove 103 is located on the outer wall of the clamp body. A convex stopper 104 is provided at the lower part of the clamp body.

[0021] The front end of the jacket 2 and the head of the chuck 4 are matched with an inclined surface to control the contraction and release of the chuck, and the rear end is provided with two paving annular grooves 201.

[0022] The limit screws 3 are respectively threadedly connected to the jackets 2.

[0023] like Figure 3 As shown, the head of the chuck 4 adopts a conical structure and has 6 slots 401 .

[0024] The fixing rod 5 fixes the clamp 4 in the positioning hole 102 of the clamp body 1 through the stepped boss.

[0025] The push rod 6 is slidably connected to the central hole 101 of the clamp body 1 .

[0026] The set screw 8 is a hexagon socket flat-end set screw.

[0027] How it works

[0028] The utility model is installed on the control valve component assembly equipment, and the convex stop 104 on the clamp body 1 is connected with the concave stop on the positioning reference of the control valve component assembly equipment in the vacuum booster assembly line, and the ring groove on the clamp body 1 is locked and clamped, so that the clamping mechanism will not fall off, and the stop connection ensures the coaxiality;

[0029] Then the positioning blocks on the positioning cylinders on both sides of the equipment positioning mechanism are clamped with the two paving ring grooves 201 on the jacket 2, and the jacket 2 is driven to move up and down when the cylinder moves up and down. Since the clamp body 1 is fixed, the inner inclined surface of the front end of the jacket 2 and the inclined surface of the head of the chuck 4 are telescopically matched to each other, so that the chuck 4 can clamp and release the workpiece;

[0030] After the workpiece is released, in order to ensure that the workpiece is reliably pushed out of the chuck 4, the push rod 6 pushes the workpiece out under the action of the spring 7.

[0031] The gripping of parts with different diameters can be achieved by changing the diameter of the chuck. The chuck is designed with 6 slots and has good elasticity and fatigue resistance after heat treatment.

[0032] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the protection scope of the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, any technician familiar with the technical field can make equivalent replacements or changes based on the technical scheme and the utility model concept of the present invention within the technical scope disclosed by the present invention. These simple variations all belong to the protection scope of the present invention.

Claims

1. A device for clamping an air valve seat in a vacuum booster assembly line, characterized in that: It includes a clamp body, a clamp sleeve, a limit screw, a clamp head, a fixing rod, a material return rod, a spring and a set screw, wherein the clamp head is installed in the positioning hole of the clamp body, the fixing rod passes through the clamp head and is threadedly connected to the clamp body, the rear end of the material return rod is installed in the center hole of the clamp body, and the front end passes through the center hole of the fixing rod, the front end of the spring is installed at the tail of the material return rod, and the rear end is top-connected with the set screw, the set screw is threadedly connected to the clamp body, the clamp body and the clamp sleeve are slidably connected, and the two limit screws on the clamp sleeve are located in the limit grooves on the clamp body.

2. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The center hole of the clamp body is connected with the positioning hole, the center hole is a stepped hole, the limiting groove is located on the outer wall of the clamp body, and a convex stop is provided at the lower part of the clamp body.

3. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The front end of the collet is matched with the head of the collet by an inclined surface to control the contraction and release of the collet, and the rear end has two paving ring grooves.

4. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The limit screws are respectively connected with the jacket threads.

5. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The head of the chuck adopts a conical structure and has 6 slots.

6. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The fixing rod fixes the clamp in the positioning hole of the clamp body through the stepped boss.

7. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The material ejection rod is slidably connected to the central hole of the clamp body.

8. The device for clamping the air valve seat in the vacuum booster assembly line according to claim 1, characterized in that: The set screw is a hexagon socket flat-end set screw.

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