CN210209836U

CN210209836U - Brake block grinding mechanism

Info

Publication number: CN210209836U
Application number: CN201921220717.1U
Authority: CN
Inventors: Dayin Li; 李大印; Wenhan Li; 李文涵
Original assignee: SHANDONG YUXI INSTRUMENT Co Ltd
Current assignee: SHANDONG YUXI INSTRUMENT Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-03-31
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a brake pad grinding mechanism, including the backup pad, still include grinding mechanism and positioning fixture, grinding mechanism includes support frame and motor, through sliding connection between support frame lower extreme and the backup pad, through sliding connection between motor and the support frame, the motor output end is equipped with the mill; the positioning fixture comprises a positioning block and a clamping plate, a positioning groove is formed in the positioning block, the lower end of the positioning groove is an arc-shaped surface, the clamping plate is installed on the side face of the positioning block, a cavity is formed in the positioning block, a fan is arranged on the supporting plate and connected with the cavity through a first air pipe, a first air port is formed in the side face of the positioning groove, a second air pipe is arranged at the upper end of the positioning block, the two ends of the second air pipe are communicated with the cavity, a second air port is formed in the second air. Can clear up the dust automatically, reduce intensity of labour, prevent that the powder from piling up in the constant head tank, guarantee that the appearance piece thickness of grinding out is even.

Description

Brake block grinding mechanism

Technical Field

The utility model belongs to the technical field of brake block sampling technique and specifically relates to a brake block grinding mechanism.

Background

With the increasing progress of economic level in China, the reserved quantity of private vehicles in China rapidly increases, which becomes the first global, and the total quantity of vehicle production in China also becomes the first global. Safety performance is the most critical indicator of vehicle performance, with brake performance being the key. In the conventional definition, a brake system is a series of specialized devices on a vehicle that are used to apply a certain force to the wheels of the vehicle from the ground, thereby applying a certain degree of positive braking thereto. The key in a brake pad braking system is the ring, and therefore the performance of the brake pad is critical to the safety performance of the vehicle.

When the brake block is sampled and detected, a sample taken down from the brake block needs to be polished. Present equipment of polishing has a problem, 1, the brake block is through polishing the back on positioning fixture, there can be more dust, if the dust is accumulational, the sample size difference that can make after the grinding is great, influence the precision, current dust clearance mode is many to be brushed the dust through the brush through the manual work, waste time and energy, 2, constant head tank bottom face is the concave surface in the current positioning fixture, polish flat back when sample one side, need polish to the opposite side in reverse, sample plane and constant head tank ground recess contact this moment, the sample produces the slope easily, the sample thickness that leads to polishing back differs, the precision is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a brake block grinding mechanism, can clear up the dust automatically, reduce intensity of labour, prevent that the powder from piling up in the constant head tank, guarantee that the appearance thickness of grinding out is even.

The utility model provides a technical scheme that its technical problem adopted is:

a brake pad grinding mechanism comprises a supporting plate, a grinding mechanism and a positioning clamp, wherein the grinding mechanism and the positioning clamp are installed on the supporting plate, the grinding mechanism comprises a supporting frame and a motor, the lower end of the supporting frame is connected with the supporting plate in a sliding mode, the motor is connected with the supporting frame in a sliding mode, and a grinding disc is arranged at the output end of the motor;

the positioning fixture comprises a positioning block and a clamping plate, a positioning groove is formed in the positioning block, the lower end of the positioning groove is an arc-shaped surface, the clamping plate is installed on the side face of the positioning block, a cavity is formed in the positioning block, a fan is arranged on the supporting plate and connected with the cavity through a first air pipe, a first air port is formed in the side face of the positioning groove, a second air pipe is arranged at the upper end of the positioning block, the two ends of the second air pipe are communicated with the cavity, a second air port is formed in the second air.

Furthermore, the number of the positioning grooves is three, and the clamping plates correspond to the positioning grooves one to one.

Furthermore, a base plate is arranged in the positioning groove, second through holes are formed in the base plate, the first through holes correspond to the second through holes in a one-to-one mode, the lower end face of the base plate is an arc face, the arc face of the lower end face of the base plate is closely matched with the bottom end face of the positioning groove, and the upper end face of the base plate is a plane.

Furthermore, a lead screw is arranged on the side face of the positioning block and is rotatably connected with the side face of the positioning block, the lead screw penetrates through the clamping plate and is in threaded connection with the clamping plate, guide rods are arranged on two sides of the lead screw, and the guide rods are in sliding connection with the clamping plate.

Further, the second tuyere is inclined downward.

The utility model has the advantages that:

1. the utility model discloses be equipped with the cavity in the well locating piece, be equipped with the fan in the backup pad, the fan is connected with the cavity through first tuber pipe, and the constant head tank side is equipped with first wind gap, and the locating piece upper end is equipped with the second tuber pipe, and second tuber pipe both ends and cavity intercommunication are equipped with the second wind gap on the second tuber pipe, the constant head tank lower extreme is equipped with first through-hole, and the fan starts, and the fan blows air in the cavity through first tuber pipe to the cavity, and the gas of cavity is blown away the constant head tank through first wind gap, and when reversing the appearance spare, the wind that blows off in the first wind gap blows off the powder in the constant head tank away, or falls down through first through-hole, prevents that the powder from piling up in; in normal grinding process, in the gas in the cavity can enter into the second air pipe, the gas in the second air pipe blows out through the second air port, and the powder on the surface of the sample piece is blown off, so that the cleanness and tidiness of the grinding surface are ensured.

2. The utility model discloses be equipped with the backing plate in the well constant head tank, be equipped with the second through-hole on the backing plate, first through-hole and second through-hole one-to-one, the terminal surface is the arcwall face under the backing plate, and the arcwall face and the constant head tank bottom face of terminal surface closely cooperate under the backing plate, and the backing plate up end is the plane. When the sample piece is reversely rotated, the base plate is placed in the positioning groove, the ground surface of the sample piece is tightly attached to the upper end surface of the base plate, the sample piece cannot incline and is firmly fixed, the precision of the sample is improved, and the thickness of the sample is ensured to be uniform.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the positioning fixture of the present invention;

FIG. 3 is a sectional view of the positioning fixture of the present invention;

fig. 4 is a schematic view of the structure of the backing plate of the present invention.

In the figure: the device comprises a supporting plate 1, a supporting frame 2, a motor 3, a grinding disc 4, a positioning block 5, a clamping plate 6, a positioning groove 7, a cavity 8, a fan 9, a first air pipe 10, a first air port 11, a second air pipe 12, a second air port 13, a first through hole 14, a base plate 15, a second through hole 16, a lead screw 17 and a guide rod 18.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a brake pad grinding mechanism comprises a support plate 1, a grinding mechanism and a positioning fixture, wherein the grinding mechanism and the positioning fixture are mounted on the support plate 1, the grinding mechanism comprises a support frame 2 and a motor 3, the lower end of the support frame 2 is slidably connected with the support plate 1 through a guide rail and slider pair, the lower end of the support frame 2 is driven by a motor lead screw with the support plate 1, the motor 3 is slidably connected with the support frame 2 through a guide rail and slider pair, the motor 3 is driven by a motor lead screw with the lower end of the support frame 2, and an output end of the motor 3 is provided with a grinding disc 4; the positioning clamp comprises a positioning block 5 and a clamping plate 6, the grinding disc 4 is positioned above the positioning block 5, the positioning block 5 is provided with a positioning groove 7, the lower end of the positioning groove 7 is an arc-shaped surface, the clamping plate 6 is arranged on the side surface of the positioning block 5, a cavity 8 is arranged in the positioning block 5, a fan 9 is arranged on the supporting plate 1, the fan 9 is connected with the cavity 8 through a first air pipe 10, a connector is arranged on the side surface of the positioning block 5, the first air pipe 10 is connected with the connector through a hoop, the connector is communicated with the cavity 8, a first air port 11 is arranged on the side surface of the positioning groove 7, the cavity 8 is communicated with the positioning groove 7 through the first air port 11, a second air pipe 12 is arranged at the upper end of the positioning block 5, two ends of the second air pipe 12 are communicated with the cavity 8, a second air port 13 is arranged on the second air pipe 12, the second air port 13 is communicated with the, the lower end of the positioning groove 7 is provided with a first through hole 14, and the first air opening 11 and the second air opening 13 are both strip holes.

When carrying out the sample grinding, in placing constant head tank 7 with the good sample of cutting, hug closely the concave surface one side with the sample wafer on the recess of terminal surface under the constant head tank, and press from both sides tightly through clamp plate 6, later starter motor 3, motor 3 drives mill 4 and rotates, carry out the grinding of first face for the first time, according to mill 4 down the distance size between plane and the 5 planes of locating piece, estimate once tentatively, control sample thickness about 8mm after the grinding for the first time, wherein the constant head tank 7 degree of depth is 4mm, protruding about 4 mm. First face grinds and takes out the sample wafer after flat, clearance constant head tank 7, overturn the sample wafer, press from both sides tightly again, hand vertical feed handle, make grinding wheel and 5 up end contacts of locating piece, the handle is waved in the reverse direction again, make grinding wheel shift up 2mm, the measurement of here distance is gone on through the digital display scale, the digital display scale is prior art, do not do too much repeated here, after carry out the planar grinding of second time, the thickness that the control sample wafer touched is 6mm, sample after the grinding detects.

When the sample piece is reversely rotated, the powder in the positioning groove 7 is blown away by the air blown out from the first air port 11 or falls down through the first through hole 14, so that the powder is prevented from being accumulated in the positioning groove 7, and the thickness of the milled sample piece is ensured to be uniform; in normal grinding process, in the gaseous second tuber pipe 12 that can enter into of cavity 8, the gaseous second wind gap 13 that blows off in the second tuber pipe 12 blows off the powder on sample surface, guarantees that the grinding surface is clean and tidy.

As shown in fig. 2, three positioning grooves 7 are provided, the sizes of the three positioning grooves 7 are different and correspond to samples with different sizes, and the clamping plates 6 correspond to the positioning grooves 7 one by one.

As shown in fig. 2 and 4, a backing plate 15 is arranged in the positioning groove 7, a second through hole 16 is arranged on the backing plate 15, the first through holes 14 correspond to the second through holes 16 one by one, the lower end surface of the backing plate 15 is an arc-shaped surface, the arc-shaped surface of the lower end surface of the backing plate 15 is closely matched with the bottom end surface of the positioning groove 7, and the upper end surface of the backing plate 15 is a plane. When carrying out first face grinding for the first time to the appearance spare, do not have backing plate 15 in the constant head tank 7, the arc face of appearance spare and the inseparable laminating of the arc face on constant head tank 7 ground this moment, appearance spare is fixed firm, when the reversal appearance spare, places backing plate 15 in constant head tank 7, and the one side that the appearance spare has ground flat closely laminates with backing plate 15 up end, and appearance spare can not incline, and is fixed firm, improves the precision of sample, guarantees that the sample thickness is even.

As shown in fig. 2, a lead screw 17 is arranged on the side surface of the positioning block 5, the lead screw 17 is rotatably connected with the side surface of the positioning block 5 through a bearing, the lead screw 17 penetrates through the clamping plate 6 and is in threaded connection with the clamping plate 6, guide rods 18 are arranged on two sides of the lead screw 17, the guide rods 18 are in sliding connection with the clamping plate 6, the clamping plate 6 can be driven to move left and right along the guide rods 18 by rotating the lead screw 17, and then clamping and loosening of the sample piece are achieved.

As shown in fig. 3, the second tuyere 13 is inclined downward, and the second tuyere 13 faces the grinding plane, increasing the utilization rate of wind.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A brake pad grinding mechanism comprises a supporting plate (1), and is characterized by further comprising a grinding mechanism and a positioning clamp, wherein the grinding mechanism comprises a supporting frame (2) and a motor (3), the lower end of the supporting frame (2) is connected with the supporting plate (1) in a sliding mode, the motor (3) is connected with the supporting frame (2) in a sliding mode, and a grinding disc (4) is arranged at the output end of the motor (3);

positioning fixture includes locating piece (5) and clamp plate (6), is equipped with constant head tank (7) on locating piece (5), and constant head tank (7) lower extreme is the arcwall face, and install in locating piece (5) side clamp plate (6), be equipped with cavity (8) in locating piece (5), be equipped with fan (9) on backup pad (1), fan (9) are connected with cavity (8) through first tuber pipe (10), and constant head tank (7) side is equipped with first wind gap (11), and locating piece (5) upper end is equipped with second tuber pipe (12), and second tuber pipe (12) both ends and cavity (8) intercommunication are equipped with second wind gap (13) on second tuber pipe (12), constant head tank (7) lower extreme is equipped with first through-hole (14).

2. A brake pad grinding mechanism according to claim 1, wherein there are three positioning slots (7), and the clamping plates (6) correspond to the positioning slots (7) one to one.

3. The brake pad grinding mechanism according to claim 1, wherein a backing plate (15) is arranged in the positioning groove (7), the backing plate (15) is provided with second through holes (16), the first through holes (14) and the second through holes (16) are in one-to-one correspondence, the lower end surface of the backing plate (15) is an arc-shaped surface, the arc-shaped surface of the lower end surface of the backing plate (15) is tightly matched with the bottom end surface of the positioning groove (7), and the upper end surface of the backing plate (15) is a plane.

4. The brake pad grinding mechanism of claim 1, wherein a lead screw (17) is arranged on the side surface of the positioning block (5), the lead screw (17) is rotatably connected with the side surface of the positioning block (5), the lead screw (17) penetrates through the clamping plate (6) and is in threaded connection with the clamping plate (6), guide rods (18) are arranged on two sides of the lead screw (17), and the guide rods (18) are in sliding connection with the clamping plate (6).

5. A brake pad grinding mechanism according to claim 1, wherein the second tuyeres (13) are inclined downwardly.