CN212329744U

CN212329744U - Drilling tool for brake disc

Info

Publication number: CN212329744U
Application number: CN202020931865.0U
Authority: CN
Inventors: 赵良文
Original assignee: Laizhou Hualu Auto Parts Co ltd
Current assignee: Laizhou Hualu Auto Parts Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-12
Anticipated expiration: 2030-05-28

Abstract

The utility model belongs to the technical field of punching mechanisms, in particular to a drilling tool for a brake disc, which comprises a fixed chassis, the surface of the fixed chassis is slidably connected with three clamping arc plates distributed in an annular manner, the side wall of the fixed chassis is screwed with three adjusting screw rods used for controlling the sliding of the clamping arc plates, the clamping arc plates are close to one side of a limiting groove and are fixedly connected with three limiting pins distributed at equal intervals, the surface of a positioning top disc is provided with a plurality of guide holes, and the inner wall of the positioning top disc is fixedly connected with three positioning fixture blocks matched with the positioning grooves; the adjusting screw is rotated, the limiting pin on the side face of the clamping arc plate is inserted into the air channel on the side face of the brake disc, the brake disc cannot rotate in the limiting groove, the fixed chassis and the positioning top disc can be fixed through the screws, the fixing stability of the brake disc is improved, the pressure on the brake disc is reduced, and meanwhile the punching stability of the brake disc is improved.

Description

Drilling tool for brake disc

Technical Field

The utility model belongs to the technical field of the mechanism of punching, specifically a drilling frock for brake disc.

Background

The brake disc, in short, is a circular disc which also rotates when the vehicle is moving. The brake caliper clamps the brake disc to generate braking force, and when the brake is stepped, the brake caliper clamps the brake disc to play a role in reducing speed or stopping. The brake disc has good braking effect and is easier to maintain than a drum brake, in order to keep heat dissipation, the surface of the brake disc is provided with a plurality of holes, the edge of the brake disc is provided with a plurality of groove bodies, the groove bodies are air channels, and the circumference of the groove bodies is provided with a plurality of holes leading to the circle center and are called as air channels when viewed from the appearance. The automobile can achieve the purpose of heat dissipation through air convection at the air duct during running.

The existing brake disc drilling tool mainly clamps and fixes a brake disc through a pressing block, but the brake disc needs larger pressure when being fixed due to the fact that the brake disc is in a disc shape, the brake disc can be effectively clamped, and the excessive pressure possibly causes overlarge local pressure and damages to the surface of the brake disc.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brake disc is with drilling frock to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a drilling tool for a brake disc comprises a fixed chassis, wherein a limiting groove is formed in the middle of the side face of the fixed chassis, three clamping arc plates distributed in an annular shape are connected to the surface of the fixed chassis in a sliding mode, the clamping arc plates are located on the periphery of the limiting groove, three sliding grooves matched with the clamping arc plates are formed in the surface of the fixed chassis, the clamping arc plates are connected to the inside of the sliding grooves in a sliding mode, three adjusting screw rods used for controlling the clamping arc plates to slide are screwed on the side wall of the fixed chassis, three limiting pins distributed at equal intervals are fixedly connected to one side, close to the limiting groove, of each clamping arc plate, three positioning grooves distributed in an annular shape are formed in the outer wall of the fixed chassis, six positioning holes are formed in the outer wall of the fixed chassis, the six positioning holes are distributed on two sides of the three positioning grooves, the positioning top disc is characterized in that a plurality of guide holes are formed in the surface of the positioning top disc, six fixing holes matched with the positioning holes are formed in the outer wall of the positioning top disc, and three positioning fixture blocks matched with the positioning grooves are fixedly connected to the inner wall of the positioning top disc.

As a further aspect of the present invention: joint arc board bottom surface fixedly connected with sliding block that the sliding tray matches, adjusting screw one end with the sliding block is rotated and is connected.

As a further aspect of the present invention: the cross-sectional shape of sliding block is the type of protruding, the shape of sliding tray with the shape of sliding block is identical.

As a further aspect of the present invention: adjusting screw one end fixedly connected with turning block, sliding block one side seted up with turning block complex rotates the hole, the turning block rotate to be connected rotate the inner wall in hole.

As a further aspect of the present invention: and one end of the adjusting screw, which is far away from the fixed chassis, is fixedly connected with a handle.

As a further aspect of the present invention: the outer diameter of the fixed bottom disc is consistent with that of the positioning top disc.

As a further aspect of the present invention: the depth of the positioning hole is smaller than the thickness of the fixed chassis.

Compared with the prior art, the beneficial effects of the utility model are that:

the brake disc is placed at the limiting groove inside, rotate adjusting screw, adjusting screw drives the joint arc board at the sliding tray internal rotation, the joint arc board removes to the brake disc of limiting groove, at this moment, the spacer pin of joint arc board side inserts inside the wind passageway of brake disc side, the brake disc can't rotate at the limiting groove inside, can be with fixed chassis through the screw, the location top dish is fixed through the screw, at this moment when punching, the bullport plays the guide effect of punching, and then improved the fixed stability of brake disc, the pressure that receives of brake disc has been reduced, the stability that the brake disc punched has been improved simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a drilling tool for a brake disc;

FIG. 2 is a schematic perspective view of a fixed chassis in a drilling tool for a brake disc;

FIG. 3 is a schematic bottom view of a positioning top disc in the drilling tool for the brake disc;

FIG. 4 is a schematic cross-sectional view of a sliding groove in a drilling tool for a brake disc;

fig. 5 is a schematic cross-sectional view of an adjusting screw and a sliding block in a drilling tool for a brake disc.

In the figure: 1. fixing the chassis; 11. a limiting groove; 12. positioning a groove; 13. positioning holes; 14. a sliding groove; 2. clamping the arc plate; 21. a spacing pin; 22. a slider; 221. rotating the hole; 3. adjusting the screw rod; 31. a handle; 32. rotating the block; 4. positioning a top plate; 41. a guide hole; 42. a fixing hole; 43. and positioning the fixture block.

Detailed Description

Referring to fig. 1-5, in the embodiment of the present invention, a drilling tool for a brake disc includes a fixing chassis 1, a limiting groove 11 is formed at a middle position of a side surface of the fixing chassis 1, three clamping arc plates 2 distributed annularly are slidably connected to a surface of the fixing chassis 1, the clamping arc plates 2 are located around the limiting groove 11, three sliding grooves 14 matched with the clamping arc plates 2 are formed on the surface of the fixing chassis 1, the clamping arc plates 2 are slidably connected to an inner portion of the sliding grooves 14, three adjusting screws 3 for controlling the sliding of the clamping arc plates 2 are screwed to a side wall of the fixing chassis 1, three limiting pins 21 distributed equidistantly are fixedly connected to a side of the clamping arc plates 2 close to the limiting groove 11, three positioning grooves 12 distributed annularly are formed on an outer wall of the fixing chassis 1, six positioning holes 13 are formed on an outer wall of the fixing chassis 1, the six positioning holes 13 are, the outer wall of the fixed chassis 1 is detachably connected with a positioning top disk 4, the surface of the positioning top disk 4 is provided with a plurality of guide holes 41, the outer wall of the positioning top disk 4 is provided with six fixing holes 42 matched with the positioning holes 13, and the inner wall of the positioning top disk 4 is fixedly connected with three positioning fixture blocks 43 matched with the positioning grooves 12; the brake disc is placed inside spacing groove 11, rotation adjusting screw 3, adjusting screw 3 drives joint arc board 2 and at the 14 internal rotations of sliding tray, joint arc board 2 removes to the brake disc of spacing groove 11, at this moment, the spacer pin 21 of joint arc board 2 side inserts inside the wind passageway of brake disc side, the brake disc can't rotate at spacing groove 11 inside, then counterpoint location fixture block 43 and constant head tank 12 of 4 bottom surfaces of top plate of location each other, locating hole 13 and fixed orifices 42 are counterpointed each other this moment, can be with fixed chassis 1 through the screw, top plate 4 of location fixes through the screw, at this moment when punching, bullport 41 plays the guide effect of punching, and then the fixed stability of brake disc has been improved, the pressure of brake disc has been reduced, the stability that the brake disc punched has been improved simultaneously.

In FIGS. 4-5: the bottom surface of the clamping arc plate 2 is fixedly connected with a sliding block 22 matched with the sliding groove 14, one end of an adjusting screw rod 3 is rotatably connected with the sliding block 22, the section shape of the sliding block 22 is convex, the shape of the sliding groove 14 is matched with that of the sliding block 22, one end of the adjusting screw rod 3 is fixedly connected with a rotating block 32, one side of the sliding block 22 is provided with a rotating hole 221 matched with the rotating block 32, the rotating block 32 is rotatably connected with the inner wall of the rotating hole 221, when the adjusting screw rod 3 is rotated, the rotating block 32 rotates in the rotating hole 221, meanwhile, the adjusting screw rod 3 is influenced by the screw thread to drive the sliding block 22 to horizontally slide in the sliding groove 14, and then drive joint arc board 2 and slide on fixed chassis 1 surface, the sliding block 22 of type of protruding cooperatees with the sliding tray 14 of type of protruding, makes sliding block 22 unable vertical direction slippage in the sliding tray 14 of following, has improved the gliding stability of sliding block 22.

In fig. 1, 2 and 5: one end fixedly connected with handle 31 that adjusting screw 3 kept away from fixed chassis 1 makes adjusting screw 3 control more light convenient through handle 31.

In fig. 1: the outer diameter of the fixed bottom plate 1 is consistent with that of the positioning top plate 4, and the depth of the positioning hole 13 is smaller than the thickness of the fixed bottom plate 1. If the outer diameter of the fixed chassis 1 is consistent with that of the positioning top disk 4, the fixed chassis 1 and the positioning top disk 4 are fixed together to be higher in integrity, and the depth of the positioning hole 13 is smaller than the thickness of the fixed chassis 1, so that the situation that a screw penetrates through the positioning hole 13 and extends to the bottom surface of the fixed chassis 1 to influence the horizontal stability of the fixed chassis 1 can be prevented.

The utility model discloses a theory of operation is: the brake disc is placed in the limiting groove 11, the adjusting screw 3 is rotated, the adjusting screw 3 drives the clamping arc plate 2 to rotate in the sliding groove 14, when the adjusting screw 3 is rotated, the rotating block 32 rotates in the rotating hole 221, meanwhile, the adjusting screw 3 is influenced by threads to drive the sliding block 22 to horizontally slide in the sliding groove 14, and further drive the clamping arc plate 2 to slide on the surface of the fixed chassis 1, the convex sliding block 22 is matched with the convex sliding groove 14, so that the sliding block 22 cannot slide from the vertical direction in the sliding groove 14, the sliding stability of the sliding block 22 is improved, the clamping arc plate 2 moves towards the brake disc in the limiting groove 11, at the moment, the limiting pin 21 on the side surface of the clamping arc plate 2 is inserted into the wind channel on the side surface of the brake disc, the brake disc cannot rotate in the limiting groove 11, and then the positioning fixture block 43 on the bottom surface of the positioning top disc 4 is aligned with the, the locating hole 13 and the fixed orifices 42 are mutually aligned at the moment, the fixed chassis 1 and the locating top disc 4 can be fixed through screws, and the guide hole 41 plays a role in punching and guiding when punching is carried out, so that the fixing stability of the brake disc is improved, the pressure on the brake disc is reduced, and the punching stability of the brake disc is improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The drilling tool for the brake disc comprises a fixed chassis (1) and is characterized in that a limiting groove (11) is formed in the middle position of the side face of the fixed chassis (1), three clamping arc plates (2) distributed annularly are connected to the surface of the fixed chassis (1) in a sliding mode, the clamping arc plates (2) are located on the periphery of the limiting groove (11), three sliding grooves (14) matched with the clamping arc plates (2) are formed in the surface of the fixed chassis (1), the clamping arc plates (2) are connected to the inside of the sliding grooves (14) in a sliding mode, three adjusting screw rods (3) used for controlling the sliding of the clamping arc plates (2) are connected to the side wall of the fixed chassis (1) in a threaded mode, and three limiting pins (21) distributed equidistantly are fixedly connected to one side, close to the limiting groove (11), of each clamping arc plate (2);

constant head tank (12) that three annular distributes are seted up to fixed chassis (1) outer wall, six locating hole (13), six have been seted up to fixed chassis (1) outer wall locating hole (13) distribute threely the both sides of constant head tank (12), fixed chassis (1) outer wall can be dismantled and be connected with location top dish (4), a plurality of bullport (41) have been seted up on location top dish (4) surface, location top dish (4) outer wall seted up six with locating hole (13) matched with fixed orifices (42), location top dish (4) inner wall fixedly connected with three with constant head tank (12) matched with location fixture block (43).

2. The drilling tool for the brake disc according to claim 1, wherein a sliding block (22) matched with the sliding groove (14) is fixedly connected to the bottom surface of the clamping arc plate (2), and one end of the adjusting screw rod (3) is rotatably connected with the sliding block (22).

3. The drilling tool for the brake disc as claimed in claim 2, wherein the cross-sectional shape of the sliding block (22) is a convex shape, and the shape of the sliding groove (14) is matched with the shape of the sliding block (22).

4. The drilling tool for the brake disc according to claim 2, wherein one end of the adjusting screw rod (3) is fixedly connected with a rotating block (32), one side of the sliding block (22) is provided with a rotating hole (221) matched with the rotating block (32), and the rotating block (32) is rotatably connected to the inner wall of the rotating hole (221).

5. The drilling tool for the brake disc is characterized in that a handle (31) is fixedly connected to one end, far away from the fixed chassis (1), of the adjusting screw (3).

6. The drilling tool for the brake disc is characterized in that the outer diameter of the fixed bottom disc (1) is consistent with the outer diameter of the positioning top disc (4).

7. The drilling tool for the brake disc of claim 1, wherein the depth of the positioning hole (13) is smaller than the thickness of the fixing chassis (1).