CN211161941U

CN211161941U - Brake shoe lathe

Info

Publication number: CN211161941U
Application number: CN201921678399.3U
Authority: CN
Inventors: 王旭
Original assignee: Chongqing Baoyang Machinery Manufacturing Co ltd
Current assignee: Chongqing Baoyang Machinery Manufacturing Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-08-04
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the technical field of automobile part manufacturing, in particular to a brake shoe lathe, which comprises a workbench, wherein a tool clamp is arranged on the workbench, and the tool clamp comprises a base, a positioning mechanism and a fixing mechanism; the base is provided with a mounting seat, and the mounting seat is in an arc shape with two upward tilted ends; the positioning mechanism is arranged on the base and comprises a first positioning shaft and a second positioning shaft which face the outer side of the workbench; the fixing mechanism comprises a fixing seat, the fixing seat is horizontally arranged on the base in a sliding mode, and a first pressing plate capable of moving up and down is arranged on the fixing seat. The utility model discloses it is difficult problem to anticipate to solve the brake shoe material loading.

Description

Brake shoe lathe

Technical Field

The utility model relates to a technical field that auto-parts made specifically discloses a brake shoe lathe.

Background

The brake shoe assembly includes a brake shoe, which is a friction coupling member of a drum brake, and has a friction coefficient as high and stable as possible, and suitable wear resistance, heat dissipation, heat capacity, and the like, in addition to strength and rigidity required as a member. The brake shoes are generally of generally arcuate design and are supported at first of their two ends in a bearing housing so that they can pivot relative to the backplate assembly. The processing procedure of the brake shoe comprises the following steps: casting molding, surface polishing, drilling, broaching, boring, excircle polishing and the like; the brake shoe processing uses more equipment, including a lathe.

The brake shoe is generally in an arch shape and a half-moon shape, part of the curved surface of the brake shoe can be ground by an excircle grinding device, and the other part of the plane can be ground by a lathe. The brake shoe is not flat in appearance, so that clamping is very inconvenient, and stability is low. Meanwhile, the existing clamping equipment needs to clamp from the back of the clamp, the workpiece is heavy, and clamping and feeding are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brake shoe lathe to solve the difficult problem of brake shoe material loading.

In order to achieve the above object, the basic scheme of the utility model is:

the brake shoe lathe comprises a workbench, wherein a tool clamp is arranged on the workbench and comprises a base, a positioning mechanism and a fixing mechanism; the base is provided with a mounting seat, and the mounting seat is in an arc shape with two upward tilted ends; the positioning mechanism is arranged on the base and comprises a first positioning shaft and a second positioning shaft which face the outer side of the workbench; the fixing mechanism comprises a fixing seat, the fixing seat is horizontally arranged on the base in a sliding mode, and a first pressing plate capable of moving up and down is arranged on the fixing seat.

The working principle and the beneficial effects of the basic scheme are as follows:

be equipped with first location axle and second location axle in this scheme, two location axles can insert two shaft holes of brake shoe, accomplish twice location to first location axle and second location axle are the positive clamping during the clamping towards the workstation outside, have reduced the degree of difficulty of material loading. Still be equipped with first clamp plate in this scheme, first clamp plate can compress tightly the brake shoe on the mount pad.

Optionally, the lower end of the first pressing plate is integrally formed with a vertical seat, the vertical seat is vertically slidably disposed on the fixing seat, the fixing seat is provided with a screw, the first pressing plate is provided with a through hole for the screw to pass through, and the screw is in threaded connection with a nut. This scheme of adoption, vertical seat can drive first clamp plate and slide from top to bottom to compress tightly the brake shoe, only need screw up the nut during the use, the nut with first clamp plate support tightly on the brake shoe can.

Optionally, a second pressing plate is horizontally arranged on the vertical seat, and the second pressing plate is parallel to the first pressing plate. This scheme of adoption, first clamp plate can compress tightly the upper portion of brake shoe, and the second clamp plate can support the lower part of tight brake shoe, guarantees that the brake shoe is supported tightly completely.

Optionally, the lower extreme of fixing base is equipped with the slide, be equipped with the slide rail on the base, slide sliding connection is on the slide rail. This scheme of adoption, the slide is slided to the mode of slide rail, and is more reliable and more stable.

Optionally, the fixing seat is slidably disposed on the sliding seat, and a sliding direction of the fixing seat is parallel to axial directions of the first positioning shaft and the second positioning shaft. This scheme of adoption, the fixing base can move towards the direction of first location axle and second location axle, makes first clamp plate and second clamp plate be close to and compress tightly the brake shoe.

Optionally, the fixing seat and the sliding seat are both provided with pin holes, and pins are arranged in the pin holes. This scheme of adoption, the bolt can insert fixing base and slide in, makes both fixed, when needing the slip fixing base, extract the bolt, promote the fixing base can.

Drawings

FIG. 1 is a schematic structural view of a brake shoe in a clamping state;

fig. 2 is a schematic structural diagram of the embodiment.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: arc seat 1, arc 2, primary shaft hole 3, connecting plate 4, secondary shaft hole 5, machined surface 6, workstation 7, cutter 8, spindle motor 9, mount pad 10, location axle bed 11, first locating shaft 12, second locating shaft 13, base 14, first spout 15, slide rail 16, first pinhole 17, slide 18, first bolt 19, fixing base 20, second pinhole 21, second bolt 22, slide shaft 23, vertical seat 24, first clamp plate 25, second clamp plate 26, screw 27, nut 28.

Referring to fig. 1, the brake shoe structure comprises an arc-shaped seat 1 and two arc-shaped plates 2; the arc seat 1 is arc-shaped plate-shaped, and the lower end face of the arc seat 1 is vertically and integrally formed with two arc plates 2. The ends of one end of the two arc-shaped plates 2 are connected and form a first shaft hole 3; the tip integrated into one piece of the other end of two arcs 2 has connecting plate 4 of connecting two arcs 2, and connecting plate 4 has the certain distance apart from the end of this end of arc 2, and is formed with second shaft hole 5 between arc 2 and the end, and second shaft hole 5 runs through two arcs 2 simultaneously. The vertical machining center in this application needs the machined surface 6 of polishing on arc 2.

Examples

This embodiment is substantially as shown in fig. 2:

the brake shoe lathe comprises a workbench 7, a cutter 8 and a spindle motor 9, wherein the spindle motor 9 is fixedly arranged on the workbench 7, and the cutter 8 is arranged at the output end of the spindle motor 9. The workbench 7 is provided with a tooling fixture which comprises a base 14, a positioning mechanism and a fixing mechanism. The base 14 is fixedly arranged on the workbench 7, the mounting seat 10 is fixedly arranged on the base 14, and the upper end surface of the mounting seat 10 is in an arc shape with the middle depressed downwards and two ends tilted upwards and is in copying shape with the arc seat 1 of the brake shoe.

Positioning mechanism includes location axle bed 11, and location axle bed 11 is fixed to be set up on base 14, and the fixed first location axle 12 and the second location axle 13 that is equipped with of level on the location axle bed 11, first location axle 12 and second location axle 13 can insert two shaft holes of brake shoe respectively, and first location axle 12 and second location axle 13 all are towards the outside of workstation 7 the direction of material loading promptly.

The fixing mechanism includes a fixed seat 20 and a slider 18. A first sliding groove 15 is horizontally arranged on the base 14, two columnar sliding rails 16 are horizontally arranged in the first sliding groove 15, a first sliding hole for the sliding rail 16 to pass through is formed in the sliding seat 18, the first sliding rail 16 is in clearance fit with the sliding hole, and the sliding seat 18 can slide left and right on the sliding rail 16. A plurality of first pin holes 17 are formed in the sliding rail 16 and the sliding seat 18, the first pin holes 17 in the sliding seat 18 vertically penetrate through the sliding seat 18, a first bolt 19 is inserted into the first pin holes 17, and the sliding seat 18 and the sliding rail 16 can be fixed through the first bolt 19. The fixing seat 20 is arranged on the upper end face of the sliding seat 18 in a sliding mode, a second sliding groove is formed in the sliding seat 18, the moving direction of the second sliding groove is parallel to the first positioning shaft 12, a sliding block is arranged in the second sliding groove in a sliding mode, the sliding block is fixedly connected with the fixing seat 20, and the fixing seat 20 can slide along the direction of the first positioning shaft 12. A plurality of second pin holes 21 are vertically formed in the fixed seat 20 and the sliding seat 18, and the second pin holes 21 on the fixed seat 20 vertically penetrate through the fixed seat 20. The second pin holes 21 are provided with second pins 22, and the second pins 22 can fix the fixed seat 20 and the sliding seat 18 together when being inserted into the two second pin holes 21.

The fixing seat 20 is vertically and fixedly provided with a sliding shaft 23 and a vertical seat 24, and the bottom of the vertical seat 24 is provided with a second sliding hole in clearance fit with the sliding shaft 23. The upper part of the vertical seat 24 is horizontally and fixedly connected with a first pressing plate 25, the lower part of the vertical seat 24 is horizontally and fixedly connected with a second pressing plate 26, and the length of the first pressing plate 25 is larger than that of the second pressing plate 26. Threaded connection has screw rod 27 on the fixing base 20, and screw rod 27 is vertical to be set up, all is equipped with the through-hole that supplies screw rod 27 to pass on first clamp plate 25 and the second clamp plate 26, and threaded connection has nut 28 on the screw rod 27, and nut 28 is located the top of first clamp plate 25.

The specific implementation process is as follows:

when the brake shoe is not clamped, the sliding seat 18 is positioned at the left part or the right part of the base 14. Two shaft holes of the brake shoe are aligned to the first positioning shaft 12 and the second positioning shaft 13, so that the first positioning shaft 12 and the second positioning shaft 13 penetrate into the two shaft holes respectively, and the arc-shaped seat 1 of the brake shoe is ensured to fall on the mounting seat 10. Then the sliding seat 18 is slid to make the first pressing plate 25 and the second pressing plate 26 close to the brake shoes, the bolt is pulled out, the fixing seat 20 is pushed to make the first pressing plate 25 and the second pressing plate 26 be positioned right above the brake shoes, the nut 28 is screwed, and the nut 28 pushes the first pressing plate 25 and the second pressing plate 26 downwards and presses the brake shoes to finish fixing.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.

Claims

1. Brake shoe lathe, including the workstation, its characterized in that: the workbench is provided with a tooling fixture, and the tooling fixture comprises a base, a positioning mechanism and a fixing mechanism; the base is provided with a mounting seat, and the mounting seat is in an arc shape with two upward tilted ends; the positioning mechanism is arranged on the base and comprises a first positioning shaft and a second positioning shaft which face the outer side of the workbench; the fixing mechanism comprises a fixing seat, the fixing seat is horizontally arranged on the base in a sliding mode, and a first pressing plate capable of moving up and down is arranged on the fixing seat.

2. The brake shoe lathe of claim 1, wherein: the lower extreme integrated into one piece of first clamp plate has vertical seat, and vertical slip setting of vertical seat is equipped with the screw rod on the fixing base, is equipped with the through-hole that supplies the screw rod to pass on the first clamp plate, and threaded connection has the nut on the screw rod.

3. The brake shoe lathe of claim 2, wherein: and a second pressing plate is horizontally arranged on the vertical seat and is parallel to the first pressing plate.

4. The brake shoe lathe of any one of claims 1-3, wherein: the lower extreme of fixing base is equipped with the slide, be equipped with the slide rail on the base, slide sliding connection is on the slide rail.

5. The brake shoe lathe of claim 4, wherein: the fixing seat is arranged on the sliding seat in a sliding mode, and the sliding direction of the fixing seat is parallel to the axial direction of the first positioning shaft and the second positioning shaft.

6. The brake shoe lathe of claim 5, wherein: the fixing seat and the sliding seat are both provided with pin holes, and the pin holes are internally provided with bolts.