CN216883205U

CN216883205U - Blade disc is used in processing of drum brake piece inner arc

Info

Publication number: CN216883205U
Application number: CN202220569766.1U
Authority: CN
Inventors: 杜孟子; 章志华; 方泽忠
Original assignee: Huangshan Feiying Auto Parts Co ltd
Current assignee: Huangshan Feiying Auto Parts Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-05
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to the field of brake pad machining, and discloses a cutter disc for inner arc machining of a drum brake, which comprises a cutter disc seat, wherein the front end part of the cutter disc seat is connected with a heat dissipation cover through a bolt, an adjusting seat is movably inserted in the cutter disc seat, the adjusting seat comprises a first fixture block, a second fixture block and a sliding rod, the rear end part of the adjusting seat is annularly provided with a limiting rod, the front end part of the adjusting seat is annularly and movably clamped with a cutter bar, the outer end part of the cutter bar is provided with a cutter blade seat, and the rear end part of the cutter disc seat is connected with a limiting sleeve through threads. The limiting sleeve can push the limiting rod to slide towards one side of the heat radiating cover in the guide groove, and the blade seats can move inwards at the same time through the design of the conical surfaces of the first clamping block and the second clamping block, so that the brake pad with smaller brake flexibility can be machined, and the reverse operation can be performed in the same way, so that the brake pad with larger brake flexibility is easy to adjust, and the limiting sleeve is suitable for grinding the inner arc of the brake pad with small arc difference.

Description

Blade disc is used in processing of drum brake piece inner arc

Technical Field

The utility model relates to the technical field of brake pad machining, in particular to a cutter disc for machining an inner arc of a drum brake pad.

Background

Drum brake pads refer to a friction material fixed to a drum or a disc rotating with a wheel, in which a friction lining and a friction pad receive an external pressure to generate a frictional action, thereby achieving a purpose of decelerating a vehicle.

The drum type automobile brake block is a sheet product with a curved structure, and is important for grinding the inner arc surface of the brake block because the brake block is fixed on a brake hub to be used as a brake, but the curved shape of the brake block and the brake block are configured according to the automobile classification, the types are more, and the brake block processing of different specifications is configured according to different specifications, which brings great problems to manufacturers, especially the grinding processing of the inner arc surface of the brake block with small radian difference is limited in application range. Aiming at the problems existing in the process of machining the inner arc of the drum brake block, a cutter disc for machining the inner arc of the drum brake block is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a cutter head for machining the inner arc of a drum brake, which solves the problems in the background technology.

The utility model provides a cutter head for machining an inner arc of a drum brake pad, which comprises a cutter head seat, wherein the front end part of the cutter head seat is connected with a heat dissipation cover through a bolt, an adjusting seat is movably inserted in the cutter head seat and comprises a first clamping block, a second clamping block and a sliding rod, the first clamping block and the second clamping block are sequentially arranged from the front end part to the rear end part of the sliding rod, the rear end part of the adjusting seat is annularly provided with a limiting rod, the front end part of the adjusting seat is annularly and movably clamped with a cutter rod, the outer end part of the cutter rod is provided with a cutter blade seat, and the rear end part of the cutter head seat is connected with a limiting sleeve through a thread.

Preferably, the outer side surface of the cutter head seat is annularly provided with a guide groove, and a limiting rod is movably connected in the guide groove.

Preferably, the stop collar is arranged on the rear side of the stop lever, and the stop collar is rotatably connected with the stop lever.

Preferably, the center lines of the cutter head seat and the adjusting seat are collinear.

Preferably, the sliding rod is T-shaped, and the sliding rod can be connected with the first clamping block and the second clamping block in a threaded manner.

Preferably, the outer diameter of the first fixture block is larger than that of the second fixture block.

Preferably, the cutter bar is L-shaped and is arranged between the first clamping block and the second clamping block.

Preferably, the outer side wall of the first fixture block and the inner side wall of the second fixture block are both conical surfaces.

Compared with the prior art, the utility model has the beneficial effects that: the cutter head for processing the inner arc of the drum brake is fixed on the driving shaft by arranging the adjusting seat, the cutter bar, the limiting sleeve, the sliding rod, the limiting rod and the heat dissipation cover, the inner arc of the drum brake can be quickly processed by driving the driving shaft, when brake blocks of different specifications are processed, because the brake blocks of different specifications have different curvatures, the limiting sleeve is rotated under the condition that the fixed positions of the brake blocks are fixed, the limiting sleeve pushes the limiting rod to slide to one side close to the heat dissipation cover in the guide groove, the cutter blocks can be driven by the plurality of cutter block seats to simultaneously move inwards by the conical surface design of the first clamping block and the second clamping block, so that the brake blocks with smaller brake curvature can be processed, the operation is reversed in the same way, the brake curvature can be larger, the adjustment is easy, and the cutter head can be suitable for grinding the inner arc of the brake block with small arc difference, in addition, the heat in the grinding process of the brake pad can be reduced due to the arrangement of the heat dissipation cover.

Drawings

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

FIG. 2 is a schematic cross-sectional structural view of the inventive structure;

FIG. 3 is a front view of the structure of the present invention;

fig. 4 is an enlarged view of the structure of the present invention at M.

In the figure: 1. a cutter head seat; 2. a heat dissipation cover; 3. an adjusting seat; 31. a first clamping block; 32. a second fixture block; 33. a slide bar; 4. a cutter bar; 5. a blade seat; 6. a limiting sleeve; 7. a guide groove; 8. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a cutter head for inner arc machining of a drum brake pad comprises a cutter head seat 1, wherein the cutter head seat 1 is fixedly installed on a driving shaft, a blade seat 5 on the cutter head seat 1 can be rotated through the driving force of the driving shaft, so that the inner arc of the drum brake pad can be ground, the front end part of the cutter head seat 1 is connected with a heat dissipation cover 2 through a bolt, a plurality of through holes are formed in the heat dissipation cover 2, exchange of external air and air in an inner cavity of the cutter head seat 1 can be increased, heat generated in the inner arc grinding machining process of the drum brake pad by the cutter head seat 1 can be exchanged with the outside, the heat in the grinding machining process of the brake pad is reduced, and the machining effect of the drum brake pad is guaranteed;

referring to fig. 4, the maximum outer diameter of the adjusting seat 3 is smaller than the maximum inner diameter of the cutter head seat 1, so that the adjusting seat 3 can move along the axial direction in the inner cavity of the cutter head seat 1, when brake pads of different specifications are processed, because the bending degrees of the brake pads of different specifications are different, under the condition that the fixed position of the brake pad is fixed, the limiting sleeve 6 is rotated to enable the limiting sleeve 6 to push the limiting rod 8 to slide towards one side of the heat dissipation cover 2 in the guide groove 7, through the design of the conical surfaces of the first clamping block 31 and the second clamping block 32, a plurality of cutter blade seats can move towards the inner side at the same time, so that the brake pads with smaller bending degree can be processed, similarly, the limiting sleeve 6 is reversely rotated to enable the limiting sleeve 6 to drive the limiting rod 8 to move towards the direction far away from one side of the heat dissipation cover 2, so that the bending degree of the brake can be not large, and the cutter bar 4 drives the cutter blade seat 5 to move towards the inner part of the cutter head seat 1, at the moment, the brake pad with larger brake bending degree can be processed, is easy to adjust, and can be suitable for the inner arc grinding processing of the brake pad with small arc difference. The interior of the cutter head seat 1 is movably inserted with an adjusting seat 3, and the central lines of the cutter head seat 1 and the adjusting seat 3 are collinear. The adjusting seat 3 includes a first fixture block 31, a second fixture block 32 and a sliding rod 33, the longitudinal section of the first fixture block 31 is in a shape of a U with a backward opening, the first fixture block 31 and the second fixture block 32 are sequentially arranged from the front end portion to the back end portion of the sliding rod 33, the sliding rod 33 is in a shape of a T, and the sliding rod 33 can be connected with the first fixture block 31 and the second fixture block 32 in a threaded manner. When the adjusting seat 3 is installed, the heat dissipation cover 2 connected through the bolt is removed, the cutter bar 4 moves outwards at the same time, the second fixture block 32 and the first fixture block 31 are screwed in sequentially, the cutter bar 4 is clamped between the first fixture block 31 and the second fixture block 32, the surface of the cutter bar 4 contacting with the inner side surface of the first fixture block 31 is a conical surface, and similarly, the surface contacting with the outer side surface of the second fixture block 32 is also a conical surface. The outer diameter of the front end of the second latch 32 is smaller than that of the rear end thereof, and the outer diameter of the first latch 31 is larger than that of the second latch 32. The cutter bar 4 is L-shaped, and the cutter bar 4 is arranged between the first fixture block 31 and the second fixture block 32. The outer side wall of the first block 31 and the inner side wall of the second block 32 are both conical surfaces. Adjust 3 rear end of seat and be the annular and be equipped with gag lever post 8, it has cutter arbor 4 to adjust 3 front end of seat and be annular activity joint, the outer tip of cutter arbor 4 is equipped with blade bearing 5, and wherein, the joint has the blade on the blade bearing 5, and blade bearing 5 can be fixed in on cutter arbor 4 through the bolt, can change the blade as required selectivity, and the operation is comparatively simple, convenient to use, there is stop collar 6 at 1 rear end of cutter arbor through threaded connection. The outer side surface of the cutter head seat 1 is annularly provided with a guide groove 7, and a limiting rod 8 is movably connected in the guide groove 7. Stop collar 6 locates the rear side of gag lever post 8, and stop collar 6 and gag lever post 8 rotate to be connected, and the face relative with gag lever post 8 on stop collar 6 is equipped with the ring channel, can make things convenient for gag lever post 8's slip for relative rotation can take place for stop collar 6 and gag lever post 8.

The working principle is as follows: the cutter disc for processing the inner arc of the drum brake is characterized in that a cutter disc seat 1 of the cutter disc for processing the inner arc of the drum brake is fixed on a driving shaft, the inner arc of the drum brake can be quickly processed by the driving of the driving shaft, when brake pads of different specifications are processed, because the brake pad bending degrees of different specifications are different, under the condition that the fixed position of the brake pad is fixed, a limiting sleeve 6 is rotated, the limiting sleeve 6 pushes a limiting rod 8 to slide towards one side close to a heat dissipation cover 2 in a guide groove 7, through the design of conical surfaces of a first clamping block 31 and a second clamping block 32, a plurality of cutter blade seats 5 can drive blades to simultaneously move inwards, so that the brake pads with smaller brake bending degree can be processed, the limiting sleeve 6 is reversely rotated in the same way, the limiting sleeve 6 drives the limiting rod 8 to move towards the direction far away from one side of the heat dissipation cover 2, and the brake bending degree can be not large, the cutter arbor 4 drives the blade seat 5 to the inside motion of cutter arbor seat 1, at this moment, can process the brake block that the brake crookedness is great, and application scope is wide.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Claims

1. The utility model provides a cutter head is used in processing of drum brake block inner arc, includes cutter head seat (1), its characterized in that: the utility model discloses a cutter head, including cutter head seat (1), regulation seat (3) are pegged graft to the inside activity of cutter head seat (1) through bolted connection has heat exchanger (2) that dispels the heat, the preceding tip of first fixture block (31), second fixture block (32) and slide bar (33) is adjusted to seat (3), first fixture block (31) and second fixture block (32) set gradually to the tip backward from the preceding tip of slide bar (33), it is the annular and is equipped with gag lever post (8) to adjust seat (3) rear end, it has cutter arbor (4) to adjust seat (3) front end to be annular activity joint, the outer tip of cutter arbor (4) is equipped with blade seat (5), there is stop collar (6) at cutter head seat (1) rear end through threaded connection.

2. The cutter head for inner arc machining of a drum brake according to claim 1, wherein: the cutter head seat is characterized in that the outer side surface of the cutter head seat (1) is annularly provided with a guide groove (7), and a limiting rod (8) is movably connected in the guide groove (7).

3. The cutter head for inner arc machining of a drum brake according to claim 2, wherein: the limiting sleeve (6) is arranged on the rear side of the limiting rod (8), and the limiting sleeve (6) is rotatably connected with the limiting rod (8).

4. The cutter head for inner arc machining of a drum brake according to claim 1, wherein: the center lines of the cutter head seat (1) and the adjusting seat (3) are collinear.

5. The cutter head for inner arc machining of a drum brake according to claim 1, wherein: the sliding rod (33) is T-shaped, and the sliding rod (33) can be connected with the first clamping block (31) and the second clamping block (32) in a threaded mode.

6. The cutter head for inner arc machining of a drum brake according to claim 1, wherein: the outer diameter of the first fixture block (31) is larger than that of the second fixture block (32).

7. The cutter head for inner arc machining of a drum brake according to claim 1, wherein: the cutter bar (4) is L-shaped, and the cutter bar (4) is arranged between the first clamping block (31) and the second clamping block (32).

8. The cutter head for inner arc machining of a drum brake according to claim 1, wherein: the outer side wall of the first fixture block (31) and the inner side wall of the second fixture block (32) are both conical surfaces.