CN214769129U

CN214769129U - Drilling equipment is used in production of car brake drum

Info

Publication number: CN214769129U
Application number: CN202121356671.3U
Authority: CN
Inventors: 赵建闻; 潘文华; 张琪静
Original assignee: Kunming Yuheng Auto Parts Manufacturing Co ltd
Current assignee: Kunming Yuheng Auto Parts Manufacturing Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-19
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to the technical field of automobile brake drum production, in particular to a drilling device for automobile brake drum production, which comprises a main body, a drill bit and a positioning block, wherein the main body is rotationally connected with the drill bit, the upper end of the outer side of the drill bit is slidably connected with a push plate, and through the arranged push plate, a limiting rod, a limiting block, a supporting rod, a fixing block, a first spring and a friction plate, when in use, the push plate is pushed firstly, so that the push plate drives the limiting rod to move upwards, then the fixing block drives the friction plate to be sleeved on the outer side of the drill bit, then the limiting block in the fixing block is extruded through the drill bit, the limiting block drives the supporting rod to extrude the first spring, so that the limiting block and the supporting rod slide in the fixing block, thereby the limiting block is clamped in the drill bit, then the push plate is loosened, the push plate drives the limiting rod to be clamped in the limiting block, the centrifugal force for preventing the drill bit from rotating is separated from the limiting block, and the friction plate is convenient to install and dismantle, burrs generated by drilling the brake drum can be reduced.

Description

Drilling equipment is used in production of car brake drum

Technical Field

The utility model relates to an automobile brake drum production technical field specifically is a drilling equipment is used in automobile brake drum production.

Background

The brake is a part used for generating braking force for resisting vehicle movement or movement trend in a braking system, the automobile brake is a friction brake which generates braking torque by utilizing friction between a fixed element and a working surface of a rotating element except for various retarding devices, the friction brakes widely adopted by various automobiles can be divided into two types of drum type and disc type according to different rotating elements, the rotating element in a drum type brake friction pair is a brake drum, the cylindrical inner surface of the rotating element is a working surface, the rotating element in the disc type brake friction pair is a disc-shaped brake disc, and two end surfaces of the rotating element are working surfaces.

Most brake drum is when drilling, and is very troublesome to the fixed of brake drum, moreover when fixed, can cause certain wearing and tearing to the brake drum to can reduce the quality of brake drum, when drilling, burr, inconvenient clearance can appear moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling equipment is used in production of car brake drum to solve the problem that proposes among the above-mentioned background art.

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

a drilling device for producing an automobile brake drum comprises a main body, a drill bit and a positioning block, wherein the main body is connected with the drill bit in a rotating manner, the upper end of the outer side of the drill bit is connected with a push plate in a sliding manner, the outer side of one end, close to the center of the drill bit, of the push plate is fixedly connected with a limiting rod, the limiting rod is connected with the drill bit in a sliding manner, the bottom end of the limiting rod is connected with a limiting block in a sliding manner, the limiting block is connected with the drill bit in a sliding manner, the outer side of one end, far away from the center of the drill bit, of the limiting block is fixedly connected with a supporting rod, the outer side of one end, far away from the center of the drill bit, of the supporting rod is connected with a fixing block in a sliding manner, the fixing block is connected with the drill bit in a sliding manner, the inner side of the fixing block is connected with a first spring, the first spring is connected with the limiting block in a sliding manner, the first spring is connected with a friction plate in a sliding manner, the friction plate is connected with the drill bit in a sliding mode.

Preferably, the locating piece and the main part sliding connection, the equal fixedly connected with electric telescopic handle in both ends about the locating piece inboard, electric telescopic handle's the other end outside fixedly connected with ejector pad, the inboard sliding connection of ejector pad has the slider, the equal fixedly connected with dog in both ends around the slider, dog and ejector pad sliding connection, the slider is kept away from the one end outside fixed connection push rod at locating piece center.

Preferably, the outer side of the other end of the push rod is slidably connected with a supporting plate, the supporting plate is slidably connected with the positioning block, the outer side of the end, away from the center of the main body, of the positioning block is slidably connected with a second spring, the second spring is slidably connected with the positioning block, and the outer side of the end, away from the center of the main body, of the supporting plate is fixedly connected with a gasket.

Preferably, the front end surface of the supporting plate is arranged in an L shape, and the supporting plate is symmetrically distributed at the left end and the right end of the inner side of the positioning block.

Preferably, the preceding terminal surface of stopper is trapezoidal setting, the stopper has two, and the stopper is both ends about the inboard of drill bit of symmetric distribution, and the symmetry axis of stopper and the coincidence of the center pin of drill bit.

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

1. in the utility model, through the arranged push plate, the limiting rod, the limiting block, the supporting rod, the fixed block, the first spring and the friction plate, when in use, the push plate is firstly pushed, so that the push plate drives the limiting rod to move upwards, then the fixed block drives the friction plate to be sleeved outside the drill bit, then the limiting block in the fixed block is extruded through the drill bit, the limiting block drives the supporting rod to extrude the first spring, so that the limiting block and the supporting rod slide in the fixed block, thereby the limiting block is clamped in the drill bit, then the push plate is loosened, the push plate drives the limiting rod to be clamped in the limiting block, the limiting block is prevented from being separated from the drill bit by the centrifugal force generated by the rotation of the drill bit, the installation and the disassembly of the friction plate are convenient, and the burrs generated by the drilling of the brake drum can be reduced;

2. the utility model discloses in, electric telescopic handle through setting up, the ejector pad, the dog, the slider, the push rod, a supporting plate, gasket and second spring, when using, electric telescopic handle through in the locating piece drives the ejector pad, make the ejector pad slide in the locating piece, make the ejector pad slide in the slider outside, thereby make the ejector pad slide in the dog outside on the slider, control push rod removes in the locating piece, then promote the backup pad through the push rod, make the backup pad promote the second spring in the locating piece, thereby it is fixed with the brake drum to make things convenient for, and reduce the harm to the brake drum through the gasket in the backup pad, prevent backup pad scratch brake drum, improve the quality of brake drum.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention in fig. 1;

FIG. 3 is a schematic view of the structure A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2B according to the present invention;

fig. 5 is a schematic structural diagram of the point C in fig. 2 according to the present invention.

In the figure: 1-main part, 2-drill bit, 3-positioning block, 4-push plate, 5-limiting rod, 6-limiting block, 7-supporting rod, 8-fixing block, 9-first spring, 10-friction plate, 11-electric telescopic rod, 12-push block, 13-slide block, 14-stop block, 15-push rod, 16-supporting plate, 17-gasket and 18-second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a drilling device for producing an automobile brake drum comprises a main body 1, a drill bit 2 and a positioning block 3, wherein the main body 1 is rotatably connected with the drill bit 2, the upper end of the outer side of the drill bit 2 is slidably connected with a push plate 4, the outer side of one end, close to the center of the drill bit 2, of the push plate 4 is fixedly connected with a limiting rod 5, the limiting rod 5 is slidably connected with the drill bit 2, the bottom end of the limiting rod 5 is slidably connected with a limiting block 6, the limiting block 6 is slidably connected with the drill bit 2, the outer side of one end, far away from the center of the drill bit 2, of the limiting block 6 is fixedly connected with a supporting rod 7, the outer side of one end, far away from the center of the drill bit 2, of the supporting rod 7 is slidably connected with a fixing block 8, the fixing block 8 is slidably connected with the limiting block 6, the inner side of the fixing block 8 is slidably connected with a first spring 9, the first spring 9 is slidably connected with the limiting block 6, the first spring 9 is slidably connected with the supporting rod 7, and the bottom end of the fixing block 8 is fixedly connected with a friction plate 10, the friction plate 10 is slidably connected with the drill bit 2.

The positioning block 3 is connected with the main body 1 in a sliding manner, the left end and the right end of the inner side of the positioning block 3 are fixedly connected with an electric telescopic rod 11, the outer side of the other end of the electric telescopic rod 11 is fixedly connected with a push block 12, the inner side of the push block 12 is connected with a slide block 13 in a sliding manner, the front end and the rear end of the slide block 13 are fixedly connected with stop blocks 14, the stop blocks 14 are connected with the push block 12 in a sliding manner, the outer side of one end of the slide block 13 far away from the center of the positioning block 3 is fixedly connected with a push rod 15, the brake drum is conveniently fixed, the outer side of the other end of the push rod 15 is connected with a support plate 16 in a sliding manner, the support plate 16 is connected with the positioning block 3 in a sliding manner, the outer side of one end of the positioning block 3 far away from the center of the main body 1 is connected with a second spring 18 in a sliding manner, the outer side of one end of the support plate 16 far away from the center of the main body 1 is fixedly connected with a gasket 17, the brake drum is prevented from being scratched when the brake drum is fixed, the brake drum, the front end of the support plate 16 is arranged in an L shape, and backup pad 16, backup pad 16 are both ends about the symmetric distribution is 3 inboards at the locating piece, improve the stability of brake drum, and the preceding terminal surface of stopper 6 is trapezoidal setting, and stopper 6 has two, and stopper 6 is both ends about the inboard of drill bit 2 of symmetric distribution, and the symmetry axis of stopper 6 and the coincidence of the center pin of drill bit 2 make things convenient for the fixed of friction disc 10, are convenient for change friction disc 10.

The working process is as follows: when the device is used, the push plate 4 on the outer side of the drill bit 2 is pushed firstly, the push plate 4 drives the limiting rod 5 to move upwards, then the fixing block 8 drives the friction plate 10 to be sleeved on the outer side of the drill bit 2, then the limiting block 6 in the fixing block 8 is extruded by the drill bit 2, the limiting block 6 drives the supporting rod 7 to extrude the first spring 9, the limiting block 6 and the supporting rod 7 slide in the fixing block 8, so that the limiting block 6 is clamped in the drill bit 2, then the push plate 4 is loosened, the push plate 4 drives the limiting rod 5 to be clamped in the limiting block 6, the limiting block 6 is prevented from being separated from the drill bit 2 by the centrifugal force generated by the rotation of the drill bit 2, the installation and the disassembly of the friction plate 10 can be convenient, burrs generated by drilling of a brake drum can be reduced, then the push block 12 is driven by the electric telescopic rod 11 in the positioning block 3, the push block 12 slides in the positioning block 3, so that the push block 12 slides outside the slide block, therefore, the pushing block 12 slides on the outer side of the stop block 14 on the sliding block 13, the push rod 15 is controlled to move in the positioning block 3, then the supporting plate 16 is pushed through the push rod 15, the supporting plate 16 pushes the second spring 18 in the positioning block 3, the brake drum is conveniently fixed, the damage to the brake drum is reduced through the gasket 17 on the supporting plate 16, the brake drum is prevented from being scratched by the supporting plate 16, and the quality of the brake drum is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling equipment is used in production of car brake drum, includes main part (1), drill bit (2) and locating piece (3), its characterized in that: the drill bit is characterized in that the main body (1) is rotatably connected with the drill bit (2), the upper end of the outer side of the drill bit (2) is slidably connected with a push plate (4), the push plate (4) is close to a limiting rod (5) fixedly connected with the outer side of one end of the center of the drill bit (2), the limiting rod (5) is slidably connected with the drill bit (2), the bottom end of the limiting rod (5) is slidably connected with a limiting block (6), the limiting block (6) is slidably connected with the drill bit (2), the outer side of one end of the limiting block (6) far away from the center of the drill bit (2) is fixedly connected with a supporting rod (7), the outer side of one end of the supporting rod (7) far away from the center of the drill bit (2) is slidably connected with a fixing block (8), the fixing block (8) is slidably connected with the drill bit (2), the fixing block (8) is slidably connected with the limiting block (6), and the inner side of the fixing block (8) is slidably connected with a first spring (9), first spring (9) and stopper (6) sliding connection, first spring (9) and bracing piece (7) sliding connection, fixed block (8) bottom fixedly connected with friction disc (10), friction disc (10) and drill bit (2) sliding connection.

2. The drilling device for producing the automobile brake drum according to claim 1, wherein: locating piece (3) and main part (1) sliding connection, locating piece (3) are inboard about the equal fixedly connected with electric telescopic handle in both ends (11), the other end outside fixedly connected with ejector pad (12) of electric telescopic handle (11), ejector pad (12) inboard sliding connection has slider (13), the equal fixedly connected with dog (14) in both ends around slider (13), dog (14) and ejector pad (12) sliding connection, locating piece (3) central one end outside fixed connection push rod (15) are kept away from in slider (13).

3. The drilling device for producing the automobile brake drum according to claim 2, wherein: the other end outside sliding connection of push rod (15) has backup pad (16), backup pad (16) and locating piece (3) sliding connection, the one end outside sliding connection that main part (1) center was kept away from in locating piece (3) has second spring (18), second spring (18) and locating piece (3) sliding connection, the one end outside fixedly connected with gasket (17) at main part (1) center is kept away from in backup pad (16).

4. The drilling device for producing the automobile brake drum according to claim 3, wherein: the front end surface of the supporting plate (16) is L-shaped, the supporting plate (16) is symmetrically distributed at the left end and the right end of the inner side of the positioning block (3).

5. The drilling device for producing the automobile brake drum according to claim 1, wherein: the preceding terminal surface of stopper (6) is trapezoidal setting, stopper (6) have two, and stopper (6) are both ends about the symmetric distribution is drill bit (2) inboard, and the symmetry axis of stopper (6) and the center pin coincidence of drill bit (2).