Brake pad polishing device

Abstract

The utility model provides a brake pad polishing device. Comprising a fixed fork, a movable polishing assembly installed on one side of the fixed fork, a fixed polishing assembly installed on the other side of the fixed fork and opposite to the movable polishing assembly, two movable arms symmetrically installed on the top of the fixed fork, and spline shaft sleeves installed on the movable arms. The spline shaft is inserted in the spline shaft sleeve in a penetrating mode, the main motor is in transmission connection with the spline shaft through a motor shaft, and the moving table is used for pushing the main motor to move. The movable polishing assembly can adjust the polishing depth of a brake surface of a polished brake pad, the movable polishing assembly is matched with the fixed polishing assembly to process some deformed brake discs and repair the deformed brake pad, and different positions of the brake pad can be polished by adjusting the height of the movable table. The device is simple in structure, low in cost, convenient to use and favorable for being popularized and used in small maintenance workshops.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake disc repair device more specifically points to a kind of brake pad polishing device. BACKGROUND

[0002] One purpose of brake pad polishing is to remove surface rust and uneven wear, restore its smooth surface, so as to improve brake effect and reduce noise when braking, when encountering uneven brake pad, maintenance master is generally using hand polishing machine to polish brake pad, time-consuming and laborious, and the effect of polishing is also poor, so some automatic polishing machines appear on the market, such as a kind of brake pad blank polishing machine (2018208281238) disclosed in Chinese patent, mainly composed of conveying chain mechanism, brake pad limiting groove, fixed bottom plate, push piece baffle, polishing steel wire grinding wheel, dust hood, grinding wheel motor, limiting groove adjusting screw, steel wire grinding wheel adjusting sliding groove, grinding wheel motor position adjusting base, brake pad sliding groove and the like. Brake pad blank is put into the front end of polishing machine by artificial, and is pushed forward by multiple push piece baffles rotating with transmission chain, when passing under high-speed rotating steel wire grinding wheel, steel wire grinding wheel is used to polish and polish brake pad blank, and the treated brake pad continues to push forward with push piece baffle, when push piece baffle rotates in circle with transmission chain through gear, brake pad falls into tail end sliding groove and slides into transfer box.

[0003] The technical solution disclosed in the above Chinese patent has the following problems: too large in size, not suitable for some small repair workshops, and the structure of the machine itself is too complex, resulting in high purchase cost, which cannot be popularized in small workshops, and more importantly, the polishing force is not enough to handle some deformed brake discs. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a brake pad polishing device which is simple in structure, convenient to use, low in cost and capable of quickly polishing brake pads.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A brake pad polishing device, comprising a fixed fork, a movable polishing assembly installed on one side of the fixed fork, a fixed polishing assembly installed on the other side of the fixed fork and opposite to the movable polishing assembly, two movable arms symmetrically installed on the top of the fixed fork, a spline shaft sleeve installed on each movable arm, a spline shaft inserted into the spline shaft sleeve, a main motor in transmission connection with the spline shaft through a motor shaft, and a moving table for moving the main motor.

[0007] The bottom of the moving table is provided with an electric lifting table, a threaded rod or an electric screw rod pair for adjusting the height of the moving table.

[0008] The movable polishing assembly comprises a fixed frame, a movable plate movably installed in the fixed frame through a guide rail pair on both sides, a polishing motor fixed on the movable plate, a first grinding wheel fixed with a motor shaft of the polishing motor, and a propelling mechanism for propelling the movable plate to move.

[0009] The propelling mechanism is a pneumatic cylinder, an electric push rod or an electric screw jack.

[0010] The fixed polishing assembly comprises a second grinding wheel and a threaded bolt, the threaded bolt is screwed on the fixed fork, and the second grinding wheel is installed on the end of the threaded bolt through a bearing.

[0011] The movable arm comprises a shaft sleeve fixed on the top of the fixed fork, a fixed shaft sleeved on the shaft sleeve, and a rotating sleeve sleeved on both ends of the fixed shaft through a bearing and fixed with a spline sleeve.

[0012] The moving table is a manual moving table or an electric moving table.

[0013] The beneficial effects of the utility model are as follows: the movable polishing assembly can adjust the polishing depth of the brake surface of the brake pad, the fixed polishing assembly can cooperate to process some deformed brake discs and repair the deformed brake pad, the height of the moving table can be adjusted to polish different positions of the brake pad, and the utility model is simple in structure, low in cost, convenient to use and beneficial to popularization and use in small repair workshops. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 、 Fig. 2 The utility model is a three-dimensional schematic view of different angles.

[0015] Fig. 3 It is a structural schematic view of the cooperation of the fixed fork and the movable arm of the utility model.

[0016] Fig. 4 It is a front view of the utility model. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical schemes and beneficial effects of the utility model clearer, the utility model is further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0018] It should be noted that when an element is referred to as being "fixed" or "attached" to another element, it can be directly on the other element or indirectly on the other element, with one or more intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly on the other element or indirectly on the other element, with one or more intervening elements.

[0019] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, specify the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0021] Please refer to Figs. 1 to 4The utility model discloses a preferable embodiment of a kind of brake pad polishing device, including fixed fork 10, the movable polishing assembly 20 of installation in the fixed fork 10 one side, installation in the fixed fork 10 other side with the movable polishing assembly 20 opposite fixed polishing assembly 30, two symmetrical installation in the movable arm 40 of the top of the fixed fork 10, install the spline shaft sleeve 50 on every movable arm 40, spline shaft 60 is inserted in the spline shaft sleeve 50, main motor 70 is drivenly connected by motor shaft with the spline shaft 60 and the moving platform 80 for pushing the main motor 70 moves, here is worth mentioning that spline shaft 60 and spline shaft sleeve 50 are prior art, such as spline structure (patent No.

[0022] In the embodiment, the movable polishing assembly 20 includes a fixed frame 21, movable plates 23 movably installed in the fixed frame 21 through guide rail pairs 22 on both sides, a polishing motor 24 fixed on the movable plate 23, a first grinding wheel 25 fixed with the motor shaft of the polishing motor 24, and a propulsion mechanism 26 for pushing the movable plate 23 to move. The propulsion mechanism 26 can be a pneumatic cylinder, an electric push rod, or an electric screw rod elevator. The pneumatic cylinder is shown in the figure. The movable plate 23 can be moved inside the fixed frame 21 by the work of the propulsion mechanism 26, so as to push the polishing motor 24 to move towards the fixed fork 10, thereby realizing the contact between the first grinding wheel 25 and the brake pad, the intensity of the contact between the first grinding wheel 25 and the brake pad, and the effect of adjusting the polishing depth.

[0023] In the embodiment, the fixed polishing assembly 30 comprises a second grinding wheel 31 and a threaded bolt 32 screwed on the fixed fork 10, the second grinding wheel 31 is mounted on the end of the threaded bolt 32 through a bearing, the distance between the second grinding wheel 31 and the brake pad can be adjusted by adjusting the threaded bolt 32, in other embodiments, the structure of the fixed polishing assembly 30 is consistent with that of the movable polishing assembly 20, that is, the movable polishing assembly 20 is arranged on both sides of the fixed fork 10 to realize automatic polishing of both sides of the brake pad.

[0024] In the embodiment, the movable arm 40 comprises a shaft sleeve 41 fixed on the top of the fixed fork 10, a fixed shaft 42 penetrating through the shaft sleeve 31, a rotating sleeve 43 sleeved on both ends of the fixed shaft 42 through bearings and fixed with the spline sleeve 50, and the rotating shaft sleeve 42 is rotatable on the fixed shaft 42 to realize the height of the spline sleeve 50 relative to the fixed fork 10.

[0025] In the embodiment, the moving table 80 is a manual moving table or an electric moving table, in order to reduce the cost and control difficulty, the utility model preferably is a manual moving table, the manual moving table comprises a bottom frame 81, two guide rail pairs 82 fixed on the top surface of the bottom frame 81, a screw pair 83 arranged in the middle of the bottom frame 81, a sliding plate 84 fixedly installed on the sliding block of the guide rail pair 82 and fixed with the nut of the screw pair 83, a gear box 85 for driving the screw of the screw pair 83 to rotate and a hand wheel 86 in transmission connection with the gear box 85, the movement of the main motor 70 can be pushed by rotating the hand wheel 86, so that the spline shaft 60 can be moved, and the brake pad can be conveniently installed and disassembled by the repairman.

[0026] The utility model wants to realize, through the movable polishing assembly of the utility model, the polishing depth of the brake surface of the polished brake pad can be adjusted, the fixed polishing assembly is cooperated with and can process some deformed brake discs, and the deformed brake pad is repaired, different positions of the brake pad can be polished by adjusting the height of the moving table, the utility model has the advantages of simple structure, low cost, convenient use and being beneficial to popularization and use in small repair workshops.

[0027] The embodiment and the drawings of the utility model are only used for showing the design concept of the utility model, and the protection scope of the utility model should not be limited to the embodiment.

[0028] From the above description, it can be seen that the design purpose of the utility model can be effectively implemented. Part of the embodiment shows the purpose, implementation function and structural theme of the utility model, and includes other equivalent replacements.

[0029] Therefore, the right constitution of the utility model includes other equivalent implementation, and the specific right range refers to the right claim.

Claims

1. A brake pad polishing apparatus, characterized by: The polishing machine comprises a fixed fork, a movable polishing assembly installed on one side of the fixed fork, a fixed polishing assembly installed on the other side of the fixed fork and facing the movable polishing assembly, two symmetrical movable arms installed on the top of the fixed fork, a spline shaft sleeve installed on each movable arm, a spline shaft inserted into the spline shaft sleeve, a main motor connected with the spline shaft through a motor shaft, and a moving platform for moving the main motor.

2. A brake pad polishing device as defined in claim 1, wherein The bottom of the moving platform is provided with an electric lifting platform, a threaded rod or an electric screw rod pair for adjusting the height of the moving platform.

3. The brake pad polishing apparatus of claim 1, wherein The movable polishing assembly comprises a fixed frame, a movable plate movably installed in the fixed frame through a guide rail pair on both sides, a polishing motor fixed on the movable plate, a first grinding wheel fixed with the motor shaft of the polishing motor, and a propulsion mechanism for moving the movable plate.

4. A brake pad polishing device as defined in claim 3, wherein The propulsion mechanism is a pneumatic cylinder, an electric push rod or an electric screw rod lifter.

5. A brake pad polishing apparatus as defined in claim 4, wherein The fixed polishing assembly comprises a second grinding wheel and a threaded bolt, the threaded bolt is screwed on the fixed fork, and the second grinding wheel is installed on the end of the threaded bolt through a bearing.

6. A brake pad polishing apparatus as defined in claim 5, wherein The movable arm comprises a shaft sleeve fixed on the top of the fixed fork, a fixed shaft inserted into the shaft sleeve, and a rotating sleeve sleeved on both ends of the fixed shaft through a bearing and fixed with the spline shaft sleeve.

7. The brake pad polishing apparatus of claim 1, wherein The moving platform is a manual moving platform or an electric moving platform.

8. The brake pad polishing apparatus of claim 1, wherein, The manual moving platform comprises a bottom frame, two guide rail pairs fixed on the top surface of the bottom frame, a screw rod pair arranged in the middle of the bottom frame, a sliding plate fixedly installed on the sliding block of the guide rail pair and fixed with the nut of the screw rod pair, a gear box for rotating the screw rod of the screw rod pair, and a hand wheel connected with the gear box.

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