CN211465590U

CN211465590U - Aluminum wheel hub machining clamp

Info

Publication number: CN211465590U
Application number: CN201922306939.1U
Authority: CN
Inventors: 黄元明
Original assignee: Yuema Hub Xuyi Co ltd
Current assignee: Yuema Hub Xuyi Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-11
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an aluminium wheel hub adds clamping apparatus, comprises a workbench, the surface of workstation is equipped with wheel hub, four dogs have been installed to wheel hub's internal surface it personally submits evenly distributed setting at the outward appearance of workstation to support the dog, support the dog and be close to one side of wheel hub and install first buffer layer, four anchor clamps have been installed to wheel hub's surface. The utility model discloses an when anchor clamps carry out the centre gripping location to wheel hub, the wheel hub atress has the deformation trend, at this moment, utilize to support the dog to set it, utilize buffer spring's self elasticity to cushion adding the holding power simultaneously, can effectually avoid because the too big impact wheel hub of clamping-force, utilize the rubber material of first buffer layer and second buffer layer, can effectual protection in the centre gripping process, wheel hub can not produce the indentation, with this cause the quality to descend, through this a series of cooperations, can effectually reduce the probability that wheel hub warp, and the work efficiency is improved.

Description

Aluminum wheel hub machining clamp

Technical Field

The utility model relates to a wheel hub makes frock field, concretely relates to aluminium wheel hub adds clamping apparatus.

Background

The clamp is a process device which is used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions; namely, the tool clamp is an indispensable part for machining, and the clamp technology is developing towards high precision, high efficiency, module, combination, universality and economy under the drive that the machine tool technology develops towards high speed, high efficiency, precision, composite, intelligence and environmental protection; the fixture is also called as a fixture, and in a broad sense, in any procedure in the process, a device for quickly, conveniently and safely installing a workpiece can be called as a fixture; such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like; among them, the machine tool clamp is the most common, and is often referred to as a clamp for short; when a workpiece is machined on a machine tool, in order to enable the surface of the workpiece to meet the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified by a drawing, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining, a hub comprises a rim and a spoke, the hub needs to mill and drill the rim in the machining process, and therefore the hub workpiece needs to be positioned and clamped;

the prior art has the following defects: at present when carrying out the centre gripping location to wheel hub, because anchor clamps carry out the centre gripping when, the extrusion force is too big, can cause wheel hub to have the possibility of warping, need carry out processing on next step after the school shape to the aluminium alloy wheel hub that has warp, reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aluminium wheel hub adds clamping apparatus, through when anchor clamps carry out the centre gripping location to wheel hub, the wheel hub atress has the deformation trend, at this moment utilizes to the dog to set it, utilizes buffer spring's self elasticity to cushion adding the holding power simultaneously, can effectually avoid because the too big impact wheel hub of clamping-force to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: an aluminum hub machining clamp comprises a workbench, wherein a hub is arranged on the outer surface of the workbench, four abutting blocks are arranged on the inner surface of the hub, the four abutting blocks are uniformly distributed on the outer surface of the workbench, a first buffer layer is arranged on one side, close to the hub, of each abutting block, four clamps are arranged on the outer surface of the hub, a second buffer layer is arranged on one side, close to the hub, of each clamp, the four clamps and the four abutting blocks are arranged in a one-to-one correspondence mode, and a buffer mechanism is arranged on one side, far away from the hub, of each clamp;

buffer gear includes the extension rod, the one end and the anchor clamps welding of extension rod, well hollow rod has been installed to the other end of extension rod, the extension rod extends to the inside of well hollow rod, buffer spring has been installed to the inside of well hollow rod, buffer spring's both sides respectively with the inner wall of well hollow rod and the one end fixed connection of extension rod, the inner wall both sides of well hollow rod all are equipped with the spout, the extension rod is close to one side of spout and has installed the slider, the quantity of slider is two, the slider inserts the spout, spacing dish has been installed to the outside of extension rod, well hollow rod keeps away from the one end of extension rod and has installed the hydraulic stem.

Preferably, the first buffer layer and the second buffer layer are made of rubber materials, and the first buffer layer and the second buffer layer are respectively bonded with the abutting block and the clamp.

Preferably, the first buffer layer is attached to the inner surface of the hub, and the second buffer layer is attached to the outer surface of the hub.

Preferably, the bottom of the abutting block is arranged in an inclined mode, the bottom of the abutting block is welded with the workbench, and the workbench is of a circular structure.

Preferably, the spacing dish is circular structure, just spacing dish and extension rod welding, the radius of spacing dish is greater than the radius of cavity pole.

Preferably, the stopper has been installed to the bottom of cavity pole, the quantity of stopper is four, just stopper and cavity pole welding.

Preferably, the outer surface of the workbench and the positions corresponding to the limiting blocks are provided with limiting grooves, and the limiting blocks are inserted into the limiting grooves.

Preferably, the limiting block is of a square structure, and the limiting groove is a square groove.

In the technical scheme, the utility model provides a technological effect and advantage:

1. when the clamp clamps and positions the hub, the hub is stressed and has a deformation tendency, the abutting stop block is used for shaping the hub, the clamping force is buffered by the elasticity of the buffer spring, the impact on the hub due to overlarge clamping force can be effectively avoided, the rubber materials of the first buffer layer and the second buffer layer are used, the hub can be effectively protected from generating indentation and leaving defects on the hub in the clamping process, so that the quality is reduced, the probability of hub deformation can be effectively reduced through the series of matching, the working efficiency is improved, and compared with the prior art, the problem that the hub is easy to deform due to extrusion when the clamp clamps clamp the hub is solved;

2. move in the inside of spacing groove through the stopper, and the stopper is square structure, and the spacing groove is square groove, can avoid the stopper to remove in the inside of spacing groove and take place the skew, just so fine injects the motion trail of cavity pole for anchor clamps can laminate with wheel hub's surface completely, can not produce the problem of location skew, and the practicality is strong, compares with prior art, has solved the problem that anchor clamps squinted easily when the location.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a partial longitudinal sectional view of the present invention.

Fig. 4 is a schematic view of the clamp structure of the present invention.

Description of reference numerals:

1. a work table; 2. a hub; 3. a first buffer layer; 4. a clamp; 5. a second buffer layer; 6. a buffer mechanism; 7. an extension rod; 8. a hollow shaft; 9. a buffer spring; 10. a chute; 11. a slider; 12. a stop block; 13. a limiting disc; 14. a hydraulic lever; 15. a limiting block; 16. a limiting groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides an aluminium wheel hub adds clamping apparatus as shown in fig. 1-4, including workstation 1, the surface of workstation 1 is equipped with wheel hub 2, wheel hub 2's internal surface has been installed four and has been supported dog 12, four are supported dog 12 and are the evenly distributed setting at the surface of workstation 1, support dog 12 is close to one side of wheel hub 2 and has been installed first buffer layer 3, wheel hub 2's surface has been installed four anchor clamps 4, anchor clamps 4 are close to one side of wheel hub 2 and have been installed second buffer layer 5, four anchor clamps 4 and four are the one-to-one setting with four support dog 12, anchor clamps 4 keep away from one side of wheel hub 2 and are equipped with buffer gear 6;

the buffer mechanism 6 comprises an extension rod 7, one end of the extension rod 7 is welded with the clamp 4, a hollow rod 8 is arranged at the other end of the extension rod 7, the extension rod 7 extends into the hollow rod 8, a buffer spring 9 is arranged inside the hollow rod 8, two sides of the buffer spring 9 are fixedly connected with the inner wall of the hollow rod 8 and one end of the extension rod 7 respectively, sliding chutes 10 are arranged on two sides of the inner wall of the hollow rod 8, a sliding block 11 is arranged on one side, close to the sliding chutes 10, of the extension rod 7, the number of the sliding blocks 11 is two, the sliding block 11 is inserted into the sliding chutes 10, a limiting disc 13 is arranged outside the extension rod 7, and a hydraulic rod 14 is arranged at one end, far away from;

further, in the above technical scheme, the first buffer layer 3 and the second buffer layer 5 are made of rubber materials, and the first buffer layer 3 and the second buffer layer 5 are respectively bonded with the abutting block 12 and the clamp 4, so that the first buffer layer 3 and the second buffer layer 5 can be conveniently replaced, and the service life of the clamp 4 is prolonged;

furthermore, in the technical scheme, the first buffer layer 3 is attached to the inner surface of the hub 2, and the second buffer layer 5 is attached to the outer surface of the hub 2, so that the hub 2 is not easy to generate indentation in a clamping state;

furthermore, in the above technical scheme, the bottom of the abutting block 12 is arranged obliquely, the bottom of the abutting block 12 is welded with the workbench 1, and the workbench 1 is of a circular structure, so that the abutting block 12 is used for shaping the hub 2, and the possibility of deformation of the hub 2 is reduced;

furthermore, in the above technical scheme, the limiting disc 13 is of a circular structure, the limiting disc 13 is welded with the extension rod 7, the radius of the limiting disc 13 is larger than that of the hollow rod 8, and the hollow rod 8 acts on the limiting disc 13 in such a way, so that the buffering distance can be effectively controlled, and secondary damage to the hub 2 is avoided;

the implementation mode is specifically as follows: when clamping operation is carried out, firstly, the hub 2 is placed on the workbench 1, the elasticity of the first buffer layer 3 is utilized, the first buffer layer 3 is enabled to be tightly attached to the inner surface of the hub 2, so that when a clamping force acts on the hub 2, the hub 2 is shaped, the hub 2 is prevented from being deformed, then the hydraulic rod 14 is utilized to drive the clamp 4 to clamp the hub 2, when the second buffer layer 5 contacts the outer surface of the hub 2, the buffer spring 9 begins to be stressed and contracted, the sliding block 11 moves in the sliding groove 10, the extension rod 7 extends towards the inside of the hollow rod 8, so that the buffer mechanism 6 is utilized to buffer the clamping force, the damage to the hub 2 caused by the instant action of the clamping force on the surface of the hub 2 can be effectively avoided, the possibility of deformation of the hub 2 is further reduced, and finally under the combined action of the four clamps 4, can effectually fix a position wheel hub 2, then carry out the operation of next process, utilize the rubber material of first buffer layer 3 and second buffer layer 5 simultaneously, can effectual protection at the centre gripping in-process, wheel hub 2 can not produce the indentation, leaves the defect on wheel hub 2 to this causes the quality to descend, and this embodiment has specifically solved among the prior art wheel hub 2 and has received the problem of extrusion deformation easily when anchor clamps 4 carry out the centre gripping.

As shown in fig. 3, further, in the above technical solution, the bottom of the hollow rod 8 is provided with four limiting blocks 15, and the limiting blocks 15 are welded to the hollow rod 8, so that the movement track of the hollow rod 8 is limited;

furthermore, in the above technical solution, the outer surface of the workbench 1 and the positions corresponding to the limiting blocks 15 are provided with limiting grooves 16, the limiting blocks 15 are inserted into the limiting grooves 16, and the limiting blocks 15 are arranged to move in the limiting grooves 16, so that the moving track of the limiting blocks 15 can be effectively ensured;

further, in the above technical solution, the limiting block 15 is a square structure, and the limiting groove 16 is a square groove, so that the limiting block 15 and the clamp 4 are ensured to keep moving in parallel;

the implementation mode is specifically as follows: move in the inside of spacing groove 16 through stopper 15, and stopper 15 is square structure, and spacing groove 16 is square groove, can avoid stopper 15 to remove in the inside of spacing groove 16 and take place the skew, just so fine injectd the motion trail of cavity pole 8 for anchor clamps 4 can laminate with wheel hub 2's surface completely, can not produce the problem of location skew, and the practicality is strong, and this embodiment has specifically solved the problem that anchor clamps 4 squinted easily when fixing a position among the prior art.

This practical theory of operation: when carrying out the centre gripping operation, at first place wheel hub 2 on workstation 1, wheel hub 2's internal surface is hugged closely to first buffer layer 3, then utilize hydraulic stem 14 to drive anchor clamps 4 and carry out the centre gripping to wheel hub 2 direction, when second buffer layer 5 contacts wheel hub 2's external surface, buffer spring 9 begins the atress shrink, slider 11 removes in spout 10, extension rod 7 extends to hollow pole 8 is inside, so utilize buffer gear 6 to cushion the clamping-force, can effectually avoid because the instantaneous effect of clamping-force is on wheel hub 2's surface, cause the injury to wheel hub 2, also further reduction wheel hub 2 deformation's possibility, at last under four anchor clamps 4's combined action, can effectually fix a position wheel hub 2.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an aluminium wheel hub adds clamping apparatus, includes workstation (1), its characterized in that: the outer surface of the workbench (1) is provided with a hub (2), the inner surface of the hub (2) is provided with four abutting blocks (12), the four abutting blocks (12) are uniformly distributed on the outer surface of the workbench (1), one side, close to the hub (2), of each abutting block (12) is provided with a first buffer layer (3), the outer surface of the hub (2) is provided with four clamps (4), one side, close to the hub (2), of each clamp (4) is provided with a second buffer layer (5), the four clamps (4) and the four abutting blocks (12) are arranged in a one-to-one correspondence manner, and one side, far away from the hub (2), of each clamp (4) is provided with a buffer mechanism (6);

the buffer mechanism (6) comprises an extension rod (7), one end of the extension rod (7) is welded with the clamp (4), the other end of the extension rod (7) is provided with a hollow rod (8), the extension rod (7) extends to the inside of the hollow rod (8), the interior of the hollow rod (8) is provided with a buffer spring (9), two sides of the buffer spring (9) are respectively fixedly connected with the inner wall of the hollow rod (8) and one end of the extension rod (7), the two sides of the inner wall of the hollow rod (8) are both provided with sliding chutes (10), one side of the extension rod (7) close to the sliding chutes (10) is provided with a sliding block (11), the number of the sliding blocks (11) is two, the sliding blocks (11) are inserted into the sliding grooves (10), spacing dish (13) have been installed to the outside of extension rod (7), hydraulic stem (14) have been installed to the one end that extension rod (7) are kept away from in cavity pole (8).

2. The aluminum hub machining jig as recited in claim 1, wherein: the first buffer layer (3) and the second buffer layer (5) are made of rubber materials, and the first buffer layer (3) and the second buffer layer (5) are respectively bonded with the abutting block (12) and the clamp (4).

3. The aluminum hub machining jig as recited in claim 1, wherein: the first buffer layer (3) is attached to the inner surface of the hub (2), and the second buffer layer (5) is attached to the outer surface of the hub (2).

4. The aluminum hub machining jig as recited in claim 1, wherein: the bottom of the abutting block (12) is arranged in an inclined mode, the bottom of the abutting block (12) is welded with the workbench (1), and the workbench (1) is of a circular structure.

5. The aluminum hub machining jig as recited in claim 1, wherein: spacing dish (13) are circular structure, just spacing dish (13) and extension rod (7) welding, the radius of spacing dish (13) is greater than the radius of cavity pole (8).

6. The aluminum hub machining jig as recited in claim 1, wherein: stopper (15) have been installed to the bottom of cavity pole (8), the quantity of stopper (15) is four, just stopper (15) and cavity pole (8) welding.

7. The aluminum hub machining jig of claim 6, wherein: the outer surface of the workbench (1) and the positions corresponding to the limiting blocks (15) are provided with limiting grooves (16), and the limiting blocks (15) are inserted into the limiting grooves (16).

8. The aluminum hub machining jig of claim 7, wherein: the limiting block (15) is of a square structure, and the limiting groove (16) is a square groove.