CN210451667U

CN210451667U - Novel rotary press-fitting mechanism for hub bolts

Info

Publication number: CN210451667U
Application number: CN201920781595.7U
Authority: CN
Inventors: 黄晓东
Original assignee: Chengdu Kaosite Axel Manufacturing Co ltd
Current assignee: Chengdu Kaosite Axel Manufacturing Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-05
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a novel rotatory pressure equipment mechanism of wheel hub bolt, including the base and with the last pressure head that the base matches, go up the pressure head and can remove towards the base direction, the bottom of going up the pressure head is equipped with the rotary disk, the rotary disk can rotate round the axis of last pressure head, the bottom of rotary disk is equipped with the briquetting that three interval equals. The utility model discloses the rotatory groove that sets up on the rotary disk can realize the rotation and the location to the rotary disk, guarantees that the briquetting can extrude the bolt in proper order, can reduce the hourglass of personnel's removal cushion and move, can prevent to leak the pressure bolt, utilizes the locating ball that sets up can pinpoint the rotary disk, guarantees that each briquetting on the rotary disk can accurate effect and bolt; utilize the handle convenience that sets up to rotate the rotary disk, compare traditional pressure head structure of going up, can reduce artifical frequent removal cushion, alleviate intensity of labour, improve the machining efficiency to wheel hub.

Description

Novel rotary press-fitting mechanism for hub bolts

Technical Field

The utility model relates to an automobile wheel hub technical field, concretely relates to novel rotatory pressure equipment mechanism of wheel hub bolt.

Background

The Chinese tire bolt plays a role in connecting the hub and the steel basin (wheel), a plurality of tire bolts are pressed into the hub by means of pressure, vertical teeth are arranged at the pressed positions of the bolts, large interference is formed between the bolts and the pressed holes of the hub, the tire bolts can be firmly pressed into the hub, and the bolts can be prevented from rotating. 6 tire bolts on the 262W axle are pressed in by adopting a Y41-25B2 hydraulic press, the nominal force of the hydraulic press is 250KN, the pressing force of each hub bolt needs 50-60KN, and the 6 bolts cannot be pressed in simultaneously by pressing in; after the bolt is pressed in, a gap is not allowed between any bolt end face and the hub end face, and 6 bolts are pressed in simultaneously due to the error of the thickness of parts, so that 6 points cannot be guaranteed to be on the same plane, and the gap is formed between some bolt end faces and the hub end face to form a defective product.

Conventionally, a pinch roller hub bolt structure shown in fig. 1 is adopted, cushion blocks are placed on tire bolts, hydraulic pressure is started, an upper pressure head moves downwards to press the cushion blocks, the bolts are pressed into a wheel hub, 3 bolts are pressed into the wheel hub for the first time, after the upper pressure head returns to the original position, three cushion blocks are manually moved onto the remaining 3 bolts, the remaining 3 bolts are pressed into the wheel hub, and due to the fact that three cushion blocks need to be manually moved, the problems that individual cushion blocks do not move and the bolts leak pressure exist; and the problem of pressure deviation caused by the fact that the cushion block is not placed; manual movement of the spacer is also inefficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides a novel rotatory pressure equipment mechanism of wheel hub bolt, reduces the hourglass that personnel removed the cushion and moves, prevents to leak and presses the bolt, can also effectively avoid the bolt to press the skew simultaneously.

The utility model discloses a following technical scheme realizes:

the utility model provides a novel rotatory pressure equipment mechanism of wheel hub bolt, includes the base and with the last pressure head that the base matches, go up the pressure head and can remove towards the base direction, the bottom of going up the pressure head is equipped with the rotary disk, the rotary disk can rotate round the axis of last pressure head, the bottom of rotary disk is equipped with the briquetting that three interval equals.

Furthermore, the rotating disc is further provided with three rotating grooves, the rotating grooves communicate the top and the bottom of the rotating disc, fixing pieces are arranged in the rotating grooves, and the fixing pieces penetrate through the rotating grooves and are connected with the upper pressure head.

Further, the fixing piece is a bolt, the diameter of the head of the fixing piece is larger than the width of the rotating groove, a screw of the fixing piece is connected with the upper pressure head through threads, the fixing piece is rotated, and the rotating disc can be fixed on the upper pressure head through the fixing piece.

Furthermore, the rotating grooves are respectively positioned among the pressing blocks, and the included angle formed between the two ends of each rotating groove and the circle center of the rotating disc is 60 degrees.

Furthermore, the rotating disk is also provided with two positioning holes, the two positioning holes are positioned between the two pressing blocks, and an included angle formed by the two positioning holes and the center of the rotating disk is 60 degrees.

Further, the bottom of going up the pressure head still is equipped with the blind hole, is equipped with the elastic component in the blind hole, elastic component one end and the inner wall connection of blind hole are equipped with the location ball that matches with the locating hole on the other end to the elastic component can be impressed the location ball to the locating hole in.

Further, still be equipped with the handle on the lateral wall of rotary disk, the handle can drive the rotary disk and rotate around the axis of last pressure head.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model relates to a novel wheel hub bolt rotating and pressing mechanism, a rotating groove arranged on a rotating disc can realize the rotation and the positioning of the rotating disc, a pressing block can be ensured to extrude the bolt in sequence, the missing of the personnel moving a cushion block can be reduced, the pressure-leaking bolt can be prevented,

2. the utility model relates to a novel wheel hub bolt rotating press-fitting mechanism, which can accurately position a rotating disk by utilizing a set positioning ball, and ensure that each pressing block on the rotating disk can accurately act on the bolt;

3. the utility model relates to a novel rotatory pressure equipment mechanism of wheel hub bolt utilizes the handle convenience of setting to rotate the rotary disk, compares traditional last pressure head structure, can reduce artifical frequent movement cushion, alleviates intensity of labour, improves the machining efficiency to wheel hub.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a conventional pinch roller hub bolt configuration;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of a-a of the present invention.

Reference numbers and corresponding part names in the drawings:

1-base, 2-hub, 3-tyre bolt, 4-cushion block, 5-upper pressure head, 6-pressing block, 7-fixing piece, 8-rotating disc, 9-handle, 10-positioning ball, 11-elastic piece, 12-rotating groove and 13-positioning hole.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Examples

As shown in fig. 1 to 3, the novel hub bolt rotating press-fitting mechanism of the present invention comprises a base 1 and an upper press head 5 matched with the base 1, wherein the upper press head 5 is connected with a hydraulic machine, and under the action of the hydraulic machine, the upper press head 5 can be pushed to move toward the base 1; the top of the upper pressure head 5 is provided with a rotating disk 8, the rotating disk 8 is provided with three rotating grooves 12, the rotating grooves 12 are of an arc structure, the rotating grooves 12 communicate the top and the bottom of the upper pressure head 5, the rotating grooves 12 are uniformly distributed on the rotating disk 8, so that the distances among the three rotating grooves 12 are equal, and the included angle formed by connecting the two ends of each rotating groove 12 with the center of the rotating disk 8 is 60 degrees; all be equipped with mounting 7 in the swivelling chute 12, mounting 7 is preferably the bolt, including bolt head and shank of bolt, the shank of bolt of mounting 7 vertically alternates in swivelling chute 12 to be connected with last pressure head 5 through the screw thread, the shank of bolt of mounting 7 can remove in swivelling chute 12, and the diameter of the bolt head of mounting 7 is greater than the width of swivelling chute 12, makes when moving to tighten mounting 7, and mounting 7 can stably fix rotary disk 8 in the bottom of last pressure head 5, when needs rotate rotary disk 8 round the axis of last pressure head 5, unscrews mounting 7, under the effect of swivelling chute 12, makes rotary disk 8 can rotate on last pressure head 5.

The bottom of the rotating disk 8 is also provided with three pressing blocks 6, the three pressing blocks 6 are uniformly distributed at the bottom of the rotating disk 8, so that the distances among the three pressing blocks 6 are the same, the three rotating grooves 12 are respectively positioned among the pressing blocks 6, when the rotating disk 8 rotates, the pressing blocks 6 can rotate along with the rotating disk 8, the arranged pressing blocks 6 are used for pressing the tire bolts 3 into the hub 2, when six bolts 3 required by the hub 2 are installed into the hub 2, as the six bolts 3 are uniformly distributed on the hub 2, namely, the included angle formed by the connecting line between each bolt 3 and the center of the circle of the hub is 60 degrees, firstly, the three pressing blocks 6 at the bottom of the rotating disk 8 are aligned to the three bolts 3, the upper pressing head 5 is driven by a hydraulic machine to move downwards, under the action of the lower pressing block 6, the three bolts 3 are pressed into the hub 2 firstly, then, the fixing piece 7 is unscrewed, the rotating disc 8 is rotated by 60 degrees, three pressing blocks 6 at the bottom of the rotating disc 8 are aligned with the other three remaining bolts, and the last three bolts 3 are pressed into the hub 2, so that the installation of the six bolts on the hub 2 is completed.

The rotating disc 8 is further provided with two positioning holes 13, the two positioning holes 13 are located between the two pressing blocks 6, an included angle formed by the two positioning holes 13 and a connecting line of the circle centers of the rotating disc 8 is 60 degrees, the bottom of the upper pressing head 5 is further provided with a blind hole, an elastic part 11 is arranged in the blind hole, the elastic part 11 is a spring, one end of the elastic part 11 is connected with the inner wall of the blind hole, and a positioning ball 10 is arranged at the other end of the elastic part, the elastic part 11 can press the positioning ball 10 into the positioning holes 13 to complete positioning of the rotating disc 8, when the three pressing blocks 6 on the rotating disc 8 align the three bolts 3 on the hub 2 for the first time, the positioning ball 10 can move out of the positioning holes 13 in the rotating process of the rotating disc 8 due to certain elasticity of the elastic part 11, when the positioning ball 10 rotates to the same vertical direction with the positioning holes 13, the elastic part 11 can, when the rotary disk 8 rotates to align the remaining three bolts 3, the elastic part 11 can push the positioning ball 10 into another positioning hole 13, the positioning ball 10 and the positioning hole 13 are used for accurately positioning the rotary disk 8, and the pressing block 6 on the rotary disk 8 can be accurately aligned with different bolts 2 on the hub 2.

Still be equipped with handle 9 on the outer wall of rotary disk 8, handle 9 and rotary disk 8 horizontally connect utilize handle 9 can realize fast the rotation to rotary disk 8, convenient operation has avoided the hand to get into the potential safety hazard that the pressure head arouses simultaneously.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a novel rotatory pressure equipment mechanism of wheel hub bolt, includes base (1) and last pressure head (5) that matches with base (1), goes up pressure head (5) and can remove towards base (1) direction, its characterized in that, the bottom of going up pressure head (5) is equipped with rotary disk (8), and rotary disk (8) can rotate round the axis of last pressure head (5), the bottom of rotary disk (8) is equipped with briquetting (6) that three interval equals.

2. The novel hub bolt rotating press-fitting mechanism is characterized in that three rotating grooves (12) are further formed in the rotating disc (8), the rotating grooves (12) communicate the top and the bottom of the rotating disc (8), fixing pieces (7) are arranged in the rotating grooves (12), and the fixing pieces (7) penetrate through the rotating grooves (12) and are connected with the upper pressing head (5).

3. The novel hub bolt rotating press-fitting mechanism is characterized in that the fixing piece (7) is a bolt, the diameter of the head of the fixing piece (7) is larger than the width of the rotating groove (12), the screw rod of the fixing piece (7) is connected with the upper pressing head (5) through threads, and the fixing piece (7) can fix the rotating disk (8) on the upper pressing head (5) by rotating the fixing piece (7).

4. The novel hub bolt rotating press-fitting mechanism is characterized in that the rotating grooves (12) are respectively positioned between the press blocks (6), and the included angle formed between the two ends of each rotating groove (12) and the circle center of the rotating disc (8) is 60 degrees.

5. The novel hub bolt rotating press-fitting mechanism is characterized in that two positioning holes (13) are further formed in the rotating disc (8), the two positioning holes (13) are located between the two pressing blocks (6) in the rotating disc, and an included angle formed between the two positioning holes (13) and the circle center of the rotating disc (8) is 60 degrees.

6. The novel hub bolt rotary press-fitting mechanism is characterized in that a blind hole is formed in the bottom of the upper press head (5), an elastic piece (11) is arranged in the blind hole, one end of the elastic piece (11) is connected with the inner wall of the blind hole, a positioning ball (10) matched with the positioning hole (13) is arranged at the other end of the elastic piece, and the elastic piece (11) can press the positioning ball (10) into the positioning hole (13).

7. The novel hub bolt rotating press-fitting mechanism is characterized in that a handle (9) is further arranged on the side wall of the rotating disc (8), and the handle (9) can drive the rotating disc (8) to rotate around the central axis of the upper press head (5).