CN215468190U

CN215468190U - Clamp for machining brake bottom plate

Info

Publication number: CN215468190U
Application number: CN202121598639.6U
Authority: CN
Inventors: 周杨波; 廖阳军; 甘启山; 吴浩
Original assignee: Wuhan Hongboxin Technology Co ltd
Current assignee: Wuhan Hongboxin Technology Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-01-11
Anticipated expiration: 2031-07-14

Abstract

The utility model relates to the technical field of brake bottom plate machining, and discloses a clamp for brake bottom plate machining, which comprises a bottom box, four mutually folded clamping arms, a guide assembly and an expansion mechanism, wherein the four mutually folded clamping arms are arranged on the bottom box; and the middle part is provided with a clamping groove on the outer side wall of the upper part of the clamping arm, the guide assembly is arranged on the upper part of the inner cavity of the bottom box, and the expansion mechanism is arranged at the bottom of the inner cavity of the bottom box. The utility model sleeves the central hole of the brake bottom plate needing to be clamped and fixed outside the four clamp arms, ensures that the central hole of the brake bottom plate is aligned with the clamping groove, then the electric push rod works to drive the frustum to move upwards to extrude and expand the four clamp arms, and at the moment, the four clamp arms expand outwards to clamp and fix the brake bottom plate in an expanding way.

Description

Clamp for machining brake bottom plate

Technical Field

The utility model relates to the technical field of machining of a brake base plate, in particular to a clamp for machining the brake base plate.

Background

The brake bottom plate is used as a basic component of the brake, and can meet the use requirement after being processed by casting and finish machining in sequence. In the process of finish machining after the brake base plate is cast, firstly, the center hole of the brake base plate needs to be machined, and then, the center hole is positioned for next working procedure machining.

The application discloses a brake bottom plate machining clamp under the condition of a retrieval notice number CN 209754593U, and the self-adaptive clamping mechanism not only can clamp workpieces, but also can be suitable for clamping workpieces with different shapes or sizes; the driving mechanism is convenient to adjust, simple to use and convenient to operate, and the workpiece machining efficiency is effectively improved.

However, the inventor finds that the technical scheme still has at least the following defects:

among this technical scheme because fixture is great to the stopper covering surface in carrying out the centre gripping process, lead to having the hindrance condition when needs punch to the stopper bottom plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamp for machining a brake base plate, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the clamp for machining the brake bottom plate comprises a bottom box, four clamping arms which are mutually folded, a guide assembly and an expansion mechanism;

the whole bottom box is distributed in a cylindrical mode, the four clamping arms are arranged in the middle of the upper surface of the bottom box, clamping grooves are formed in the outer side wall of the upper portion of each clamping arm, the guide assembly is arranged on the upper portion of the inner cavity of the bottom box, and the expansion mechanism is arranged at the bottom of the inner cavity of the bottom box.

As a preferred embodiment of the present invention, the expanding mechanism includes an electric push rod and a frustum, the electric push rod is vertically fixed at the middle position of the bottom of the inner cavity of the bottom box, and the frustum is fixed at the upper end of the driving rod of the electric push rod.

As a preferred embodiment of the present invention, the guide assembly includes a cross beam and four slide bars; the cross-shaped cross beam is arranged in the inner cavity of the bottom box, limiting rods are fixed at four outer end portions of the cross-shaped cross beam, the outer end portion of each limiting rod is fixed on the inner wall of the bottom box, springs are sleeved on the limiting rods, and the four sliding rods are respectively fixed at the lower end portions of the four clamping arms.

As a preferred embodiment of the present invention, four moving slideways are disposed on the bottom box in a cross arrangement, the four moving slideways are respectively inserted into the four sliding rods in a sliding manner, and each sliding rod is movably sleeved with each limiting rod.

As a preferred embodiment of the utility model, a piston rod of the electric push rod movably penetrates through the middle part of the cross-shaped cross beam, the outer wall of the frustum is attached to the inner walls of the lower ends of the four clamping arms, and the inner wall of the lower part of each clamping arm is obliquely distributed.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model sleeves the central hole of the brake bottom plate needing to be clamped and fixed outside the four clamping arms, ensures that the central hole of the brake bottom plate is aligned with the clamping groove, then the electric push rod works to drive the frustum to move upwards to extrude and expand the four clamping arms, and at the moment, the four clamping arms expand outwards to clamp and fix the brake bottom plate in an expanding way.

2. The four clamping arms can stably move on the limiting rods through the sliding rods at the bottoms in the moving process, and after the frustum is reset in the later period, the four clamping arms are reset through elastic resetting of the springs.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the clamp for brake pad machining of the present invention;

FIG. 2 is a schematic top view of the movable slide and slide bar positions of the clamp for brake shoe machining according to the present invention;

FIG. 3 is a schematic structural view of the frustum of the clamp for machining the brake shoe machine according to the present invention, in a bottom view at the lower end distribution positions of four clamp arms;

fig. 4 is a schematic structural view of a cross beam of the clamp for machining the brake pad machine according to the present invention.

In the figure: 1. a bottom case; 2. clamping arms; 3. a clamping groove; 4. a frustum; 5. moving the slideway; 6. a slide bar; 7. an electric push rod; 8. a cross beam; 9. a spring; 10. a limiting rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the clamp for machining the brake bottom plate comprises a bottom box 1, four mutually folded clamping arms 2, a guide assembly and an expansion mechanism;

wherein, end box 1 is whole to be cylindric distribution, and four arm lock 2 all set up the middle part on end box 1, and centre gripping recess 3 has all been seted up to 2 upper portion lateral walls of every arm lock, and the direction subassembly sets up on 1 inner chamber upper portion of end box, and expanding mechanism sets up at 1 inner chamber bottom of end box. The expanding mechanism comprises an electric push rod 7 and a frustum 4, the electric push rod 7 is vertically upwards fixed at the middle position of the bottom of the inner cavity of the bottom box 1, and the frustum 4 is fixed at the upper end part of a driving rod of the electric push rod 7. In this setting, the centre bore that will need the fixed stopper bottom plate of centre gripping cup joints in four arm lock 2 outsides to guarantee that the centre bore of stopper bottom plate aligns at centre gripping recess 3, then 7 work of electric putter drive frustum 4 rebound extrude the expansion to four arm lock 2, four arm lock 2 outside expansions just can expand the centre gripping to the stopper bottom plate this moment and fix, and this kind of centre gripping mode can expand the centre gripping to the stopper bottom plate of different centre bores fixed, thereby reaches the purpose of stability.

Referring to fig. 1 and 2, in the embodiment, the guide assembly includes a cross beam 8 and four slide bars 6; the cross beam 8 is arranged in the inner cavity of the bottom box 1, limiting rods 10 are fixed at four outer end parts of the cross beam 8, the outer end part of each limiting rod 10 is fixed on the inner wall of the bottom box 1, a spring 9 is sleeved on each limiting rod 10, and the four sliding rods 6 are respectively fixed at the lower end parts of the four clamping arms 2. In the setting, after the later stage frustum 4 resets, the four stems 6 reset through the elastic reset of the spring 9.

Referring to fig. 2 and 3, further, four moving slideways 5 are disposed on the bottom box 1 in a cross arrangement, the four moving slideways 5 are respectively inserted into four sliding rods 6 in a sliding manner, each sliding rod 6 is movably sleeved with each limiting rod 10, a piston rod of the electric push rod 7 movably penetrates through the middle of the cross beam 8, the outer wall of the frustum 4 is attached to the inner walls of the lower ends of the four clamping arms 2, and the inner walls of the lower portions of the clamping arms 2 are distributed in an inclined manner. In this setting, electric putter 7 work drives frustum 4 rebound and extrudes the expansion to four arm lock 2, and four arm lock 2 outwards expand this moment just can expand the centre gripping to the stopper bottom plate and fix.

It should be noted that the present invention is a jig for machining a brake shoe, each of which is a general standard component or a component known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimentation.

The working principle is as follows: the center hole of the brake bottom plate to be clamped and fixed is sleeved outside the four clamping arms 2, the center hole of the brake bottom plate is aligned to the clamping groove 3, then the electric push rod 7 works to drive the frustum 4 to move upwards to extrude and expand the four clamping arms 2, the four clamping arms 2 can expand, clamp and fix the brake bottom plate by expanding outwards, and the clamping mode can expand, clamp and fix the brake bottom plates with different center holes, so that the purpose of stability is achieved;

four arm lock 2 can be through the stable shift position of slide bar 6 on the gag lever post 10 of bottom in the removal process, and after later stage frustum 4 reset, four hagan 6 reset nearly through the elasticity of spring 9 and reset.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A anchor clamps for processing of stopper trigger, its characterized in that: comprises a bottom box (1), four mutually folded clamping arms (2), a guide assembly and an expansion mechanism;

the bottom box (1) is integrally distributed in a cylindrical mode, four clamping arms (2) are arranged in the middle of the upper surface of the bottom box (1) and are arranged every clamping groove (3) is formed in the outer side wall of the upper portion of each clamping arm (2), the guide assembly is arranged on the upper portion of an inner cavity of the bottom box (1), and the expansion mechanism is arranged at the bottom of the inner cavity of the bottom box (1).

2. The jig for brake shoe machining according to claim 1, characterized in that: expanding mechanism includes electric putter (7) and frustum (4), electric putter (7) is vertical upwards to be fixed end box (1) inner chamber bottom intermediate position, and frustum (4) are fixed the actuating lever upper end of electric putter (7), frustum (4) outer wall and four the laminating of the lower extreme inner wall of arm lock (2), every the lower part inner wall slope of arm lock (2) distributes.

3. The jig for brake shoe machining according to claim 1, characterized in that: the guide assembly comprises a cross beam (8) and four sliding rods (6); the cross beam (8) is arranged in an inner cavity of the bottom box (1), four outer end parts of the cross beam (8) are respectively fixed with a limiting rod (10), each outer end part of each limiting rod (10) is respectively fixed on the inner wall of the bottom box (1), a spring (9) is sleeved on each limiting rod (10), four sliding rods (6) are respectively fixed at the lower end parts of four clamping arms (2), four movable sliding ways (5) which are distributed in a cross shape are arranged on the bottom box (1), and the four movable sliding ways (5) are respectively connected with the four sliding rods (6) in a sliding and inserting mode.

4. The jig for brake shoe machining according to claim 3, characterized in that: each sliding rod (6) is movably sleeved with each limiting rod (10) respectively.

5. The jig for brake shoe machining according to claim 2, characterized in that: and a piston rod of the electric push rod (7) movably penetrates through the middle part of the cross beam (8).