Grinding machine for inner arc and outer arc of brake pad

Abstract

The utility model relates to the technical field of brake pad machining equipment, and particularly discloses a brake pad inner and outer arc grinding machine which comprises a rack, clamping devices, a grinding mechanism and a control system. The two sets of grinding mechanisms are installed on the upper side and the lower side of the rack correspondingly to grind the inner arc face and the outer arc face of the brake pad, the control system controls the grinding mechanisms to work, each grinding mechanism comprises a support, a swing motor, a telescopic rod, a grinding wheel and a driving motor, the control system controls the driving motors to drive the grinding wheels to rotate, and the telescopic rods stretch out and draw back to enable the grinding wheels to be close to the brake pad. The swing motor controls the support to swing so that the grinding wheel can make contact with the cambered surface of the brake pad and conduct grinding work, the grinding mechanisms on the upper side and the lower side can be independently controlled, the inner cambered surface and the outer cambered surface of the brake pad uneven in thickness can be ground at the same time, the inner cambered surface and the outer cambered surface of the brake pad can be clamped and ground at a time, and machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake pad processing equipment technical field, concretely for a kind of for brake pad inner and outer arc grinding machine. BACKGROUND

[0002] Brake pad is the key component in automobile braking system, wherein drum brake pad production, inner and outer arc surface need to be ground, the existing drum brake pad generally separates and carries out to inner arc surface and outer arc surface, need to use two kinds of equipment, equipment cost is high, it is time-consuming and laborious to change brake pad in processing process, and processing cycle is long.

[0003] Patent with announcement number "CN206898957U" discloses a kind of drum brake pad grinding machine, including the seat body of grinding machine, connecting rack in seat body rear side, vertical drive motor is equipped in the upper portion of this rack, the slide that can slide up and down is equipped in the lower portion, grinding wheel is equipped on slide by transmission motor transmission, fixed seat that can fix different models brake pad is equipped on the guide rail of seat body inner side, motor is equipped in seat body rear side and drives the front and rear sliding of fixed seat;This scheme can only grind the inner arc surface of brake pad, and fixed seat needs to be replaced when grinding outer arc surface, and operation is complex and inefficient. UTILITY MODEL CONTENT

[0004] In view of prior art deficiency, the technical problem solved by the utility model is to provide a kind of for brake pad inner and outer arc grinding machine, solve the problem that the existing brake pad grinding machine cannot grind the inner and outer arc surface of brake pad simultaneously, leading to low processing efficiency.

[0005] To solve the above problems, the technical scheme adopted by the utility model is: a kind of for brake pad inner and outer arc grinding machine, including rack, clamping device, grinding mechanism and control system, the clamping device is symmetrically installed on the left and right sides of rack and clamps brake pad, the grinding mechanism is two groups and is installed on the upper and lower sides of rack and grinds the inner and outer arc surface of brake pad, the control system controls the work of grinding mechanism.

[0006] The beneficial effects of the present scheme are: the clamping device stably clamps brake pad, the grinding mechanism located on the upper and lower sides of brake pad grinds the inner and outer arc surface of brake pad simultaneously, can realize once clamping and grinding the inner and outer arc surface of brake pad, improve processing efficiency.

[0007] Further, the clamping device includes fixed frame, lead screw, arc plate and guide rod, fixed frame is fixedly installed on rack, lead screw is installed on fixed frame by thread, lead screw is arranged along horizontal direction, lead screw end is rotationally connected with the middle position of arc plate, arc plate two ends are fixedly connected with guide rod parallel to lead screw, guide rod is slidably installed on fixed frame.

[0008] Further, the grinding mechanism comprises a support, an oscillating motor, an extension rod, a grinding wheel and a driving motor, the support is hinged on the frame, the oscillating motor can control the support to oscillate, the extension rod is fixedly installed on the support, and the grinding wheel is installed on the movable end of the extension rod.

[0009] Further, the width of the arc-shaped plate is smaller than the thickness of the brake pad, and the grinding mechanism will not contact the arc-shaped plate during grinding.

[0010] Further, the control system can preset a grinding program according to the model and specifications of the brake pad, the grinding program comprises the rotating angle of the oscillating motor, the extension length of the extension rod and the rotating speed parameter of the driving motor, and the oscillating motor, the extension rod and the driving motor are controlled to work by the grinding program to perform the grinding operation after the brake pad is clamped.

[0011] Further, the oscillating motor is connected with the support through a worm gear, the support is hinged at the hinge of the frame and is provided with a worm, the oscillating motor is connected with a worm gear, the worm cooperates with the worm gear, the oscillating motor drives the worm to rotate and further drives the worm to rotate to drive the support to oscillate, and the oscillating angle of the support can be accurately controlled. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a whole structure schematic view of the utility model;

[0013] Fig. 2 It is a clamping device structure schematic view of the utility model;

[0014] Fig. 3 It is a grinding mechanism structure schematic view of the utility model;

[0015] In the drawing: 1-frame, 2-clamping device, 3-grinding mechanism, 4-brake pad, 21-fixed frame, 22-screw rod, 23-arc-shaped plate, 24-guide rod, 31-support, 32-oscillating motor, 33-extension rod, 34-grinding wheel, 35-driving motor, 36-worm, 37-worm gear. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0017] The embodiments such as the drawings Figs. 1 to 3The utility model discloses a kind of brake pad inner and outer arc grinding machine, including frame 1, clamping device 2, grinding mechanism 3 and control system, the clamping device 2 is symmetrically installed on frame 1 left and right two sides to brake pad 4 is clamped, the grinding mechanism 3 is two groups respectively installed on frame 1 upper and lower two sides to the inner, outer arc surface of brake pad 4 is ground, and the control system controls grinding mechanism 3 work.

[0018] The clamping device 2 includes a fixed frame 21, a lead screw 22, an arc plate 23 and a guide rod 24, the fixed frame 21 is fixedly installed on the frame 1, the fixed frame 21 is threadedly installed with the lead screw 22, the lead screw 22 is arranged in the horizontal direction, the end of the lead screw 22 is rotatably connected to the middle position of the arc plate 23, the arc plate 23 is fixedly connected with the guide rod 24 parallel to the lead screw 22 at both ends, and the guide rod 24 is slidably installed on the fixed frame 21; in use, the arc plate 23 on both sides of the frame 1 is twisted to make the arc plate 23 close to the brake pad 4 until the brake pad 4 is clamped firmly; the grinding mechanism 3 includes a bracket 31, an oscillating motor 32, an extension rod 33, a grinding wheel 34 and a drive motor 35, the bracket 31 is hinged to the frame 1, the oscillating motor 32 can control the bracket 31 to oscillate, the extension rod 33 is fixedly installed on the bracket 31, the grinding wheel 34 is installed on the movable end of the extension rod 33, and the drive motor 35 controls the grinding wheel 34 to rotate to grind the brake pad 4; the width of the arc plate 23 is less than the thickness of the brake pad 4, and the grinding mechanism 3 will not contact the arc plate 23 during grinding;

[0019] The control system can preset the grinding program according to the model and specifications of the brake pad 4, the grinding program includes the rotation angle of the oscillating motor 32, the extension length of the extension rod 33 and the rotation speed parameters of the drive motor 35, the oscillating motor 32, the extension rod 33 and the drive motor 35 are controlled to work by the grinding program after the brake pad 4 is clamped to perform grinding operation, which improves the grinding quality of the grinding machine; the oscillating motor 32 is connected with the bracket 31 through a turbine 36 and a worm 37, the turbine 36 is arranged at the hinge between the bracket 31 and the frame 1, the oscillating motor 32 is connected with the worm 37, the turbine 36 cooperates with the worm 37, the oscillating motor 32 drives the worm 37 to rotate and then drives the turbine 36 to rotate to drive the bracket 31 to oscillate, which can accurately control the oscillation angle of the bracket 31, and is beneficial to grinding the inner and outer arc surfaces of the brake pad 4.

[0020] The specific implementation process is as follows:

[0021] In use, after the brake pad 4 is clamped firmly by the clamping mechanism, the grinding mechanism 3 is controlled to work by the control system, the driving motor 35 is controlled to drive the grinding wheel 34 to rotate according to a preset program, the telescopic rod 33 is extended or retracted to make the grinding wheel 34 close to the brake pad 4, the swing motor 32 is controlled to swing the support 31 to make the grinding wheel 34 contact the arc surface of the brake pad 4 and perform grinding work, the grinding mechanisms 3 on the upper and lower sides can be controlled independently, the inner and outer arc surfaces of the brake pad 4 with uneven thickness can be ground at the same time, the inner and outer arc surfaces of the brake pad 4 can be ground at one time after clamping, the machining efficiency is improved, the telescopic rod 33 is retracted when the brake pad 4 is replaced, and the brake pad 4 can be removed by loosening the screw rod 22.

[0022] The above is only an embodiment of the present application, and the well-known specific structures and properties in the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of the claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A brake pad inner-outer arc grinding machine, characterized in that: The brake disc grinding machine comprises a rack, clamping devices, grinding mechanisms and a control system, the clamping devices are symmetrically installed on the left and right sides of the rack to clamp brake discs, the grinding mechanisms are two groups of mechanisms respectively installed on the upper and lower sides of the rack to grind the inner and outer curved surfaces of the brake discs, and the control system controls the grinding mechanisms to work.

2. The inner and outer arc grinding machine for brake pad according to claim 1, characterized in that: The clamping device comprises a fixed frame, a screw rod, an arc-shaped plate and guide rods, the fixed frame is fixedly installed on the rack, the screw rod is installed on the fixed frame through screw threads, the screw rod is arranged in a horizontal direction, the arc-shaped plate is rotationally connected to the middle part of the end of the screw rod, the two ends of the arc-shaped plate are fixedly connected with the guide rods which are parallel to the screw rod, and the guide rods are slidably installed on the fixed frame.

3. The inner and outer arc grinding machine for brake pad according to claim 1, characterized in that: The grinding mechanism comprises a support, an oscillating motor, an extension rod, a grinding wheel and a driving motor, the support is hingedly connected to the rack, the oscillating motor is capable of controlling the support to oscillate, the extension rod is fixedly installed on the support, and the grinding wheel is installed on the movable end of the extension rod.

4. The inner and outer arc grinding machine for brake pad according to claim 2, characterized in that: The width of the arc-shaped plate is less than the thickness of the brake disc.

5. The inner and outer arc grinding machine for brake pad according to claim 1, characterized in that: The control system can preset a grinding program according to the model and specifications of the brake disc.

6. The inner and outer arc grinding machine for brake pad according to claim 3, characterized in that: The oscillating motor is connected with the support through a worm and a gear, the support is hingedly connected to the rack, the worm is connected with the oscillating motor, the worm is matched with the gear, the oscillating motor drives the worm to rotate and then drives the gear to rotate to drive the support to oscillate.

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