Brake shoe drilling clamp

Abstract

The utility model relates to the technical field of brake shoe machining, and discloses a brake shoe drilling clamp which comprises a supporting frame, a supporting net is fixedly installed on one side of the front end of the supporting frame, a fixing plate is welded to the other side of the front end of the supporting frame, a hydraulic cylinder is fixedly installed on one side of the fixing plate, and a straight plate is installed at the output end of the hydraulic cylinder. According to the technical scheme, the fixing rod can drive the first limiting plate to move along with the fixing rod, then the first limiting plate is matched with the second limiting plate to press and limit the brake shoe, drilling operation can be conveniently conducted on the brake shoe, the drilling efficiency of the brake shoe is improved, and the drilling efficiency of the brake shoe is improved. And air flow can be guided to the left side of a second limiting plate through cooperation of a hose and a spray head for a corrugated air cylinder, chippings on the upper surface of the brake shoe on the left side of the second limiting plate are blown away through the air flow, and then the problem that after punching of the brake shoe is completed, chippings generated by punching of the surface of the brake shoe are inconvenient to blow away is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake shoe processing technical field, concretely is a kind of brake shoe drilling fixture. BACKGROUND

[0002] In the brake manufacturing field, brake shoe is circular arc, and a plurality of rivet holes are uniformly machined on the circumference of brake shoe in its machining process, so as to facilitate the assembly of subsequent friction plate and rivet.

[0003] According to the search No. (CN206373405U), a kind of brake shoe drilling fixture, it is by clamping body, connecting plate, rotating shaft, index plate, drill jig plate, positioning device, positioning pin A, positioning pin B and locking device composition;Its characterized in that: the one end of clamping body is fixed with connecting plate, clamping body is movably equipped with rotating shaft by bearing, the one end of rotating shaft extends to the outer end of clamping body, and the end head extended to the outer end of clamping body is equipped with index plate;Index plate top is provided with guide slot, drill jig plate is equipped in guide slot by adjusting screw;Index plate lower side is provided with positioning device;Positioning device is inserted into connection with index plate.

[0004] In the implementation of the technical scheme, at least the following defects still exist: the utility model can be pressed to the brake shoe, but it is too cumbersome to limit brake shoe, and it is not convenient to blow the debris generated by punching on the surface of brake shoe after punching brake shoe, and improvement is needed. Therefore, we propose a kind of brake shoe drilling fixture. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of brake shoe drilling fixture, solve the problem that the brake shoe is limited too cumbersome in background art, and it is not convenient to blow the debris generated by punching on the surface of brake shoe after punching brake shoe.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of brake shoe drilling fixture, including support frame, the front end one side of the support frame is fixedly installed with support net, the front end other side of the support frame is welded with fixed plate, the side of the fixed plate is fixedly installed with hydraulic cylinder, the output end of the hydraulic cylinder is installed with straight plate, the one side of the straight plate is provided with fixed rod, the one end of the fixed rod is welded with first limit board, the middle part of the one side of the fixed plate is welded with second limit board, the one side of the fixed plate is bonded with corrugated air bag.

[0007] By adopting the technical scheme, the first limiting plate can be driven to move by the fixed rod, and then the first limiting plate can be compressed and limited with the second limiting plate on the brake shoe, so that the drilling operation on the brake shoe is facilitated, and the drilling efficiency on the brake shoe is improved, and after the drilling is completed, the corrugated air cylinder (similar to a foot-operated air pump) can be extruded, the corrugated air cylinder guides the airflow to the left side of the second limiting plate through the cooperation of the hose and the spray head, and the upper surface of the brake shoe on the left side of the second limiting plate is blown off by the airflow, so that the situation that the debris generated by the drilling on the surface of the brake shoe is not blown off after the drilling is completed is solved, and the staff can conveniently take down the drilled brake shoe.

[0008] Optionally, the air outlet end of the corrugated air bag is communicated with a hose, and the end of the hose is communicated with a spray head.

[0009] By adopting the technical scheme, the upper surface debris of the brake shoe can be blown off.

[0010] Optionally, the first limiting plate and the second limiting plate are symmetrically arranged, and the first limiting plate and the second limiting plate are both arranged in an arc shape.

[0011] By adopting the technical scheme, the brake shoe can be compressed and limited by the cooperation of the first limiting plate and the second limiting plate.

[0012] Optionally, the first limiting plate and the second limiting plate are both arranged at the front end of the support net.

[0013] By adopting the technical scheme, the debris generated by the drilling can be discharged and collected by the arrangement of the support net.

[0014] Optionally, one end of the fixed rod is fixedly connected to the side of the straight plate close to the hydraulic cylinder through the fixed plate.

[0015] By adopting the technical scheme, the first limiting plate and the straight plate can be driven to move by the arrangement of the hydraulic cylinder.

[0016] Optionally, two hoses are arranged, and the hoses are symmetrically arranged on both sides of the second limiting plate.

[0017] By adopting the technical scheme, the upper surface of the brake shoe can be blown off by the airflow.

[0018] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0019] The technical solution of this application, through the setting of a support frame, support net, hydraulic cylinder, straight plate, first limiting plate, second limiting plate, hose and nozzle, can make the fixed rod drive the first limiting plate to move, thereby making the first limiting plate cooperate with the second limiting plate to press and limit the brake shoe, thus facilitating the drilling operation of the brake shoe and improving the drilling efficiency. After drilling is completed, the corrugated air cylinder (similar to a foot pump) can be squeezed. The corrugated air cylinder guides the airflow to the left side of the second limiting plate through the hose and nozzle, and blows away the debris on the upper surface of the brake shoe on the left side of the second limiting plate. This solves the problem of inconvenience in blowing away the debris generated during the drilling of the brake shoe, thus making it easier for workers to remove the drilled brake shoe. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Fig. 1 This is a schematic diagram of the overall structure of a brake horseshoe drilling fixture according to the present invention;

[0022] Fig. 2 This is a side view of the first and second limiting plates of a brake horseshoe drilling fixture according to the present invention.

[0023] In the diagram: 1. Support frame; 11. Support net; 12. Fixing plate; 2. Hydraulic cylinder; 21. Straight plate; 22. Fixing rod; 23. First limiting plate; 24. Second limiting plate; 3. Corrugated air cylinder; 4. Hose; 5. Nozzle. Detailed Implementation

[0024] Please see Figs. 1-2The utility model provides a technical scheme: a brake shoe iron drilling clamp, including support frame 1, the front end one side fixed mounting of support frame 1 has support net 11, the front end other side welding of support frame 1 has fixed plate 12, one side fixed mounting of fixed plate 12 has hydraulic cylinder 2, the output end of hydraulic cylinder 2 is installed straight board 21, one side of straight board 21 is provided with fixed rod 22, one end of fixed rod 22 is welded with first limit plate 23, the middle part of one side of fixed plate 12 is welded with second limit plate 24, one side of fixed plate 12 is bonded with corrugated air bag, first limit plate 23 and second limit plate 24 all are arranged in the front end of support net 11, through the setting of support net 11, can collect the debris generated to punch, one end of fixed rod 22 penetrates fixed plate 12 and is fixedly connected with the one side of straight board 21 close to hydraulic cylinder 2, through the setting of hydraulic cylinder 2, can drive first limit plate 23 and straight board 21 move, the hose 4 is set to two, and the hose 4 is symmetrically set at the both sides of second limit plate 24, is convenient for the airflow blowing of the upper surface both sides of brake shoe iron.

[0025] The outlet end of the corrugated air bag is communicated with a hose 4, and the end of the hose 4 is communicated with a spray head 5. Through the cooperation of the hose 4 and the spray head 5, the debris on the upper surface of the brake shoe iron can be blown away.

[0026] The first limit plate 23 and the second limit plate 24 are symmetrically arranged, and both the first limit plate 23 and the second limit plate 24 are arranged in an arc shape. Through the cooperation of the first limit plate 23 and the second limit plate 24, the brake shoe iron can be pressed and limited.

[0027] When positioning, first place the brake shoe iron to be punched between the first limit plate 23 and the second limit plate 24, then open the hydraulic cylinder 2, the hydraulic cylinder 2 drives the fixed rod 22 to move to the right, the fixed rod 22 drives the first limit plate 23 to move, and then the first limit plate 23 cooperates with the second limit plate 24 to press and limit the brake shoe iron, so as to facilitate the drilling operation of the brake shoe iron, and improve the drilling efficiency of the brake shoe iron. After punching is completed, control the hydraulic cylinder 2 to contract, the hydraulic cylinder 2 drives the straight board 21 to move, and the straight board 21 extrudes the corrugated air cylinder 3 (similar to a foot-operated air pump) during moving to the left. The corrugated air cylinder 3 guides the airflow to the left side of the second limit plate 24 through the cooperation of the hose 4 and the spray head 5, blows away the debris on the upper surface of the brake shoe iron on the left side of the second limit plate 24, and thus solves the problem that it is inconvenient to blow away the debris generated by punching on the surface of the brake shoe iron after punching is completed, so as to facilitate the staff to take down the punched brake shoe iron.

Claims

1. A brake shoe drilling jig comprising a support frame (1), characterized in that: The front end side of the support frame (1) is fixedly provided with a support net (11), the other side of the front end of the support frame (1) is welded with a fixed plate (12), one side of the fixed plate (12) is fixedly provided with a hydraulic cylinder (2), the output end of the hydraulic cylinder (2) is provided with a straight plate (21), one side of the straight plate (21) is provided with a fixed rod (22), one end of the fixed rod (22) is welded with a first limiting plate (23), the middle of one side of the fixed plate (12) is welded with a second limiting plate (24), one side of the fixed plate (12) is bonded with a corrugated air bag.

2. A brake shoe drilling jig according to claim 1, wherein: The outlet end of the corrugated air bag is communicated with a hose (4), and the end of the hose (4) is communicated with a spray head (5).

3. A brake shoe drilling jig according to claim 1, wherein: The first limiting plate (23) and the second limiting plate (24) are symmetrically arranged, and the first limiting plate (23) and the second limiting plate (24) are both arranged in an arc shape.

4. A brake shoe drilling jig according to claim 1, wherein: The first limiting plate (23) and the second limiting plate (24) are both arranged at the front end of the support net (11).

5. A brake shoe drilling jig according to claim 1, wherein: One end of the fixed rod (22) penetrates the fixed plate (12) and is fixedly connected with the side of the straight plate (21) close to the hydraulic cylinder (2).

6. A brake shoe drilling jig according to claim 2, wherein: The hose (4) is provided with two, and the two hoses (4) are symmetrically arranged on both sides of the second limiting plate (24).

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