KR100965613B1 - Apparatus for grinding of brakepad and brakepad manufactured thereby - Google Patents

Abstract

PURPOSE: A brake pad grinding device is provided to reduce the failure rate by checking the amount of brake pad, which is inserted and discharged, and to prevent the sticking of dusts to grinding equipment. CONSTITUTION: A brake pad grinding device comprises a slot forming unit(40), a pad intermediate unit(50), a first and a second inclined plane machining units(70,80), and a pad detecting sensor. The slot forming unit forms a slot in a friction material of a brake pad(10). The pad intermediate unit comprises a rotary block and a pad attaching unit. The rotary block is rotatably arranged in the lower of a supporting plate. The pad attaching unit attaches and detaches the brake pad. The first and the second inclined plane machining units respectively form an incline on one side and the other side of the friction material. The pad detecting sensor checks the quantity of the brake pad exhausted after the process.

Description

Brake pad grinding device and machined brake pads {Apparatus for Grinding of Brakepad and Brakepad manufactured thereby}

The present invention relates to a brake pad grinding device and a brake pad processed thereby. More particularly, the present invention relates to a brake pad grinding device for processing a brake pad so that the friction surface of the brake pad has a radial shape, and the brake pad processed thereby.

In general, a brake pad is composed of a friction material frictionally contacting the brake disc during braking and a back plate supporting the friction material. In general, the friction material is formed with an inclined surface on the side of the rotational direction of the brake disk so that the surface contact with the brake disk is good, and a slot is formed in the center so that the surface of the friction material is divided in two. Then, the surface of the friction material block is softened by heat treatment so as to have a good contact adaptation to the brake disc, and the marking of the back plate and marking is performed.

This series of processes is required to be automated to increase the productivity of the brake pads.

Conventionally, since the surface planing process of the friction material, the process of forming the inclined surface on the side, and the process of forming the slot in the center is performed by an independent grinding processing device, there is a problem that the productivity is greatly reduced and the precision of the processed friction material is low.

On the other hand, efforts have been actively made to develop a friction material having a shape suitable for reducing noise generated when the friction material contacts the brake disc and maintaining a good contact state. There was a problem that the productivity is greatly reduced by requiring a separate independent process.

In order to solve the above problems, the present invention is capable of continuously processing various types of slots and inclined surfaces formed in a friction material, and prevents defects from occurring during the machining process of the brake pads, and is thereby processed. It is an object to provide a brake pad.

The present invention provides a slot processing unit for forming a slot in the friction material provided in the brake pad to achieve the above object; A pad relay unit having a rotation block rotatably disposed at a lower side of the support plate that is lifted and moved back and forth, and a pad detachment unit provided at a lower end of the rotation block to detach the brake pad; A first inclined surface processing portion forming an inclined surface on one side of the friction material whose arrangement angle is adjusted by the pad relay; And a second inclined surface processing portion for forming an inclined surface on the other side of the friction material whose arrangement angle is adjusted by the pad relay.

Here, the brake pad grinding device is a pad detection sensor for checking whether the number of brake pads that are seated on a carrier plate for transporting the brake pads and put into one process and the number of brake pads that are discharged after performing the process are the same. Characterized in having a.

In addition, the carrier plate may include a pad arrangement groove having a sliding surface formed thereon.

In addition, the pad detachable portion is coupled to the air cylinder provided in the lower portion of the rotary block, the permanent magnet reciprocating in the up and down direction and the lower end of the air cylinder is connected to the air cylinder so that the space between the permanent magnet and the brake pad And a cap.

The pad relay may include a power transmission rod that receives power from a driving unit through a rack gear and a pinion gear, and rotates by the same angle as the rotation angle of the power transmission rod, and a lower end of which is connected to the rotation block. And a rotation angle control unit for adjusting a stop bar connected to the rack gear and a reciprocating movement distance of the stop bar.

In addition, the pad relay may be provided on the outside of the rotation angle control unit to the scale indicated by converting the transfer distance of the stop bar to the angle and the instructions attached to the stop bar to indicate the angle indicated on the scale.

The apparatus may further include a foreign matter removing unit including a compressed air injector for injecting compressed air to a surface of the back plate provided in the brake pad and a dust collector for collecting foreign matter separated from the back plate.

In addition, the slot processing unit is characterized in that the polishing tip having a cross-sectional shape of the width narrowed toward the outer direction of the grinder on the outer periphery of the grinder for processing the slot is characterized in that it is provided.

On the other hand, the present invention provides a brake pad, characterized in that formed by the brake pad grinding device.

Here, the brake pad includes a friction surface in contact with the rotor disk, a friction material having an inclined surface on both sides of the friction surface, and a back plate for supporting the friction material, wherein the edge formed by the contact between the friction surface and the inclined surface is oblique. Characterized in that made.

In addition, the friction material is characterized in that it has a slot in the form of narrowing toward the inner direction from the surface.

According to the present invention, in order to reduce the noise of the brake, there is an advantage in that the brake pad formed by the diagonal line having the inclined surface and the friction surface in contact with each other can be continuously processed. In addition, there is an advantage to prevent the foreign matter such as dust is fixed to the grinding equipment, and to reduce the defective rate by checking the quantity of the brake pads put and discharged.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, detailed description is abbreviate | omitted when it is judged that it may obscure the summary of this invention. In addition, preferred embodiments of the present invention will be described below, but the technical idea of the present invention may be implemented by those skilled in the art without being limited or limited thereto.

1 is a view schematically showing a brake pad grinding device according to a preferred embodiment of the present invention.

The brake pad grinding device 1 according to the preferred embodiment of the present invention includes a first grinding unit 30, a slot processing unit 40, a pad relay unit 50, a first inclined surface processing unit 70, and a second inclined surface. The processing part 80 and the 2nd grinding part 90 are included.

The brake pad grinding device 1 is a device which can continuously perform a series of work processes for the brake pad 10 supplied and placed on a base (not shown) equipped with a conveyor system.

The brake pad 10 to be supplied to and processed by the brake pad grinding device 1 is formed with a friction material blank obtained by compressing the friction material powder on the back plate 14.

The brake pad 10 is disposed on a carrier plate 20 provided with a pad arrangement groove 22 formed so that the brake pad 10 can be seated and supplied to the base.

In this case, a plurality of pad arrangement grooves 22 may be formed in the carrier plate 20 to allow the plurality of brake pads 10 to be seated thereon. For example, a plurality of pad arrangement grooves 22 may be provided so as to put five to six brake pads 10 into one set to be inserted into the brake pad grinding device 1.

The pad arranging groove 22 may be formed to have an area and a depth sufficient to accommodate the back plate 14, and the pad arranging groove may be formed on the side of the back plate 14 in contact with the bottom surface of the pad arranging groove 22. The side surfaces of the 22 may be in contact so that the brake pad 10 does not flow in a state where the brake pad 10 is seated in the pad placement groove 22.

In addition, as illustrated in FIG. 2, the upper edge of the pad placement groove 22 is provided with a sliding surface 24 formed to be inclined in the pad placement groove 22 inward direction, so that the brake pad 10 may have a pad placement groove 22. Guided and seated inside. When the brake pad 10 is inserted into the carrier plate 20 by the sliding surface 24, normal seating is induced, and thus, the machining process of the brake pad 10 can be smoothly performed.

The lower portion of the carrier plate 20 is provided with an electromagnet block 26 to fix the brake pad 10 seated in the pad placement groove 22. When the brake pad 10 is seated on the carrier plate 20 to be transported and processed, the electromagnet block 26 is operated to fix the brake pad 10 to the pad placement groove 22 and to arrange the brake pad 10. Electromagnet block 26 when the brake pad 10 needs to be removed from the carrier plate 20 in order to move the brake pad 10 to another carrier plate 20 'to adjust the angle or to perform other subsequent processes. ) Is deactivated.

The operation of the electromagnet block 26 may be made by a power supply means (not shown) provided in the carrier plate 20.

As shown in FIG. 1A, the brake pad 10 is supplied to the carrier plate 20 so that the central axis in the short side direction of the brake pad 10 is disposed to be inclined with respect to the traveling direction in the base. do.

The first grinding part 30 serves to rough the friction material 12 of the brake pad 10 supplied as described above. This first grinding unit 30 can be implemented by having a rough grinder.

The slot machining part 40 forms the slot 18 in the rough friction material 12. As illustrated in FIG. 3, the slot processing unit 40 includes a slot grinder 42 provided on the processing shaft 41 and a polishing tip 44 on the outer circumference of the slot grinder 42 to process the slot. In addition, the polishing tip 44 has a cross-sectional shape in which the width becomes narrower toward the outer side of the slot grinder 42. In other words, the polishing tip 44 has a wide side of the side attached to the slot grinder 42, the other side has a narrow cross-sectional shape. At this time, the other side of the polishing tip 44 may be formed in a curved surface.

The use of this type of polishing tip 44 has the advantage of reducing dust and noise generated when machining the slots 18 in the friction material 12.

As shown in FIGS. 3 and 4, the friction material 12 has a slot 18 having a narrow width from the surface toward the inner side by the slot processing part 40 having the polishing tip 44. Will be provided.

On the other hand, the slot 18 formed in the brake pad 10 is disposed obliquely to the carrier plate 20 is formed in an oblique direction according to the angle in which the brake pad 10 is disposed as shown in FIG.

Although not shown, the brake pad 10 may be supplied in some cases so that the central axis facing the short side direction is disposed parallel to the traveling direction on the base, and in this case, the slot 18 is formed on the central axis. The friction material 12 is formed in the form of dividing.

6 to 9 are diagrams for explaining the pad relay.

The pad relay unit 50 lifts the brake pad 10 disposed at a predetermined angle on the carrier plate 20 to adjust the placement angle, and then seats the brake pad 10 on another carrier plate 20a. It serves as a relay to the electromagnet holder 110 to be described later.

The pad relay 50 is connected to the lower side of the support plate 57 by the rotation shaft 56 and rotated at a predetermined angle, and the pad detachable portion 52 provided at the lower end of the rotation block 51. ), The support plate 57 is connected to the support frame 62 by a power transmission rod 60.

The support frame 62 is lifted, moved back and forth, and rotated by the drive means 61 disposed on the upper part of the support. The drive means 61 of the pad repeater 50 may be a variety of power devices such as hydraulic cylinders and motors. It may be configured in the same form as a general power transmission means implemented using a gear of the form.

Here, the rotation blocks 51 may be provided in the same number as the number of the brake pads 10 which are disposed and supplied to the carrier plate 20, and the plurality of rotation blocks 51 may include the brake pads 10. It may be disposed below the support plate 57 at the same interval as the interval.

Hereinafter, each part of the pad relay unit 50 will be described in more detail with reference to FIGS. 7 to 9.

7 illustrates a process in which the brake pad 10 is detached from the pad detacher 52. As shown, the pad detachable portion 52 includes an air cylinder 53 connected to the lower end of the rotation block 51 and a permanent magnet 54 and an air cylinder 53 connected to the ends of the rods provided in the air cylinder 53. It is provided at the bottom of the cap includes a cap 55 surrounding the permanent magnet (54).

FIG. 7A illustrates a state in which the brake pad 10 is attached to the pad detachable part 52 which is lowered together with the support plate 57 and is in contact with the upper portion of the friction material 12.

The bottom plate of the cap 55 is positioned between the permanent magnet 54 lowered by the air cylinder 53 and the brake pad 10. The cap 55 causes the permanent magnet 54 and the brake pad 10 to be lowered. The brake pad 10 is attached to the pad detachable portion 52 by the magnetic force of the permanent magnet 54 that is spaced apart and penetrates the cap 55 to reach the brake pad 10.

As shown in (b) of FIG. 7, the brake pad 10 attached to the pad detachable part 52 is raised together with the support plate 57 to adjust the placement angle or to transport the subsequent process.

7 (c) shows a state in which the brake pad 10 is separated from the pad detachable portion 52, and the cap 55 forms a separation distance between the permanent magnet 54 and the brake pad 10. FIG. Therefore, even when the air cylinder 53 is raised, the brake pad 10 does not rise together with the permanent magnet 54, and the magnetic force reaching the brake pad 10 from the permanent magnet 54 is weakened, thus causing the brake pad 10 to be increased. ) Is separated from the pad detachable portion 52.

Here, the cap 55 positioned between the brake pad 10 and the permanent magnet 54 may be formed using stainless steel or aluminum.

In addition, the rotation block 51 is provided with a pair of pad detachable portion 52 to easily maintain the balance when lifting the brake pad (10).

8 shows the top of the support plate 57.

The rotary shaft 56 connected to the upper end of the rotary block 51 penetrates the support plate 57 and protrudes a predetermined length onto the upper surface of the support plate 57. Rotating lever 58 is connected to the rotating shaft 56 protruding in this way, and a connecting rod 59 is connected to the rotating lever 58. The connecting rod 59 is connected to the power transmission rod 60 for transmitting the rotational force by the rotary lever 58.

The connecting rod 59 connected to the power transmission rod 60 rotates the rotary lever 58 by receiving rotational force from the power transmission rod 60, and the rotary lever 58 rotates the rotary shaft 56 to finally rotate. The block 51 is rotated at an angle.

As illustrated in FIG. 8, the brake pad 10 disposed on the carrier plate 20 and transported is adjusted in an arrangement angle as the rotation block 51 rotates while being attached to the pad detacher 52. The angled brake pad 10 is placed and supplied to another carrier plate 20a prepared for subsequent processing.

FIG. 9 shows the direction A of FIG. 6 and shows the upper portion of the support frame 62.

As shown in FIG. 9, the upper portion of the support frame 62 includes a driving unit 63 generating power, a rack gear 64 connected to the driving unit 63 and a reciprocating motion, and a power transmission rod 60. A pinion gear 65 coupled to the top and rotating in engagement with the rack gear 64 is provided.

The driving unit 63 may be implemented by power means such as a pneumatic cylinder. In addition, a control module (not shown) for controlling the driving unit 63 may be separately provided to adjust the reciprocating distance and the moving direction of the rod provided in the driving unit 63.

The reciprocating motion of the rack gear 64 connected to the drive part 63 is converted into rotational motion by the pinion gear 65 engaged with the rack gear 64, and the converted rotational force is transmitted to the power transmission rod 60 to support the plate. (57) The rotation angle of the rotation block 51 provided on the lower side is adjusted.

On the other hand, the stop bar 66 and the rotation angle control unit 67 is provided on the other side of the rack gear 64 is provided with teeth to adjust the reciprocating distance of the rack gear 64. This will be described in detail below.

One end of the stop bar 66 is attached to the other side of the rack gear 64, the other side is inserted into the rotation angle control unit 67.

The rotation angle controller 67 has an internal space in which the inserted stop bar 66 can reciprocate. Distance adjusters 69 are respectively provided at both ends of the rotation angle controller 67, and the distance adjuster 69 is connected to the rotation angle controller 67 so as to be rotatable about an X-X axis.

An accommodation groove formed in the X-X axis direction is provided inside the distance adjuster 69, and an internal thread is formed on an inner circumferential surface of the accommodation groove. One side of the stopper 68 having a male thread engaged with the female screw is inserted into the receiving groove.

When the distance adjuster 69 provided in the rotation angle control unit 67 is rotated, the distance adjuster 69 rotates about the XX axis while being connected to the rotation angle control unit 67, and the distance adjuster 69 is connected to the distance adjuster 69. The connected stopper 68 is moved in the left and right directions on the drawing according to the rotation direction of the distance adjuster 69.

The stop bar 66, a part of which is inserted into the rotation angle control unit 67, is blocked by the stopper 68 whose position is adjusted within the rotation angle control unit 67, thereby limiting the reciprocating distance, and thus the rack gear 64. The reciprocation of and the angle of rotation of the pinion gear 65 are limited.

At this time, the surface in contact with the stop bar 66 in the stopper 68 can be formed wide so as to easily contact the stop bar (68).

In addition, the power transmission rod is provided on the outside of the rotation angle control unit 67 with a scale indicating the transfer distance of the stop bar 66 as an angle and attached to the stop bar 66 to indicate the angle indicated on the scale. The angle at which the 60 is rotated can be easily checked with the naked eye.

Although not shown, it is provided with a small motor for rotating the distance adjuster 69 in the rotation angle controller 67, and controlling the position of the stopper 68 by driving the motor by a control switch for operating the motor. It is possible.

The pad relay unit 50 serves to adjust the placement angle of the brake pad 10 or to relay the brake pad 10 in a subsequent process while moving between the process sections disposed on the base.

As shown in FIG. 1, the brake pad 10 having the slot 18 formed thereon is disposed on the carrier plate 20a by adjusting the placement angle by the pad relay 50, and then the first inclined surface processing unit 70. Is put into.

The brake pad 10 which has passed through the first inclined surface processing part 70 has a pad arrangement groove 22b that accommodates the brake pad 10 whose arrangement angle is readjusted by the pad relay 50 and the placement angle has been readjusted. It is loaded on another carrier plate 20b provided with the second inclined surface processing unit 80.

The first inclined surface processing portion 70 and the second inclined surface processing portion 80 are combined on the processing shafts 72 and 82, and the truncated truncated grindstones 74 and 84 rotate together with the processing shafts 72 and 82. And inclined surfaces 16 and 17 on the surface of the friction material 12 introduced.

The processing shaft 72 provided in the first inclined surface processing unit 70 and the processing shaft 82 provided in the second inclined surface processing unit 80 may be the same and may be compatible with each other. In addition, the grinding wheel (74, 84) provided in the processing shaft (72, 82) may also be provided with the same thing can be compatible.

In addition, in some cases, the second inclined surface processing unit 80 may be disposed on the base first, and the first inclined surface processing unit 70 may be arranged in a subordinated process.

The friction material 12 processed by the first inclined surface processing unit 70 and the second inclined surface processing unit 80 includes inclined surfaces 16 and 17 on both sides as shown in FIGS. 3 and 5. 5 (a) to (d) it can be seen that the shape of the friction surface 15 is formed in different forms according to the shape of the inclined surfaces (16, 17). This is because the inclined surfaces 16 and 17 are processed in a state in which the placement angle of the brake pad 10 is adjusted by the pad relay unit 50. In addition to the illustrated form, the inclination surfaces of the brake pad 10 may be changed in various shapes. It is possible to form a brake pad 10 having a friction surface 15 of.

Like the brake pads 10 of FIGS. 5B to 5D, the brake pads 10 having the inclined surfaces formed by the inclined surfaces 16 and 17 and the friction surface 15 in a diagonal line have a friction surface. There is an advantage that the noise generated when 12 is in contact with the rotor disk (not shown).

On the other hand, the brake pad 10 having a friction surface 15 of the form as shown in Fig. 5 (a) is arranged to arrange the brake pad 10 so that the center axis of the brake pad 10 parallel to the direction of travel of the base, 1 It is possible to form and form two grinding wheels 74 on the machining shaft 72 of the inclined surface processing part 70 so that grinding surfaces may face each other.

On the other hand, when the grinding wheel (74, 84) provided in the processing shaft (72, 82) is formed in a cylindrical shape rather than a truncated cone, as shown in Figure 4, the brake pad provided with jaws on both sides of the friction material 12 ( 10) can be formed.

The brake pad 10 having the inclined surfaces 16 and 17 passes through the second grinding portion 90.

The second grinding portion 90 serves to remove burrs generated in the friction material 12 during processing and to finely grind the surface of the friction material 12. The second grinding unit 90 may be implemented with a grinding grinder.

FIG. 10 is a view illustrating a process of removing foreign matter attached to the back plate, and FIG. 11 is a view illustrating a process of painting the back plate.

The brake pad 10 which has passed through the second grinding portion 90 is lifted by the pad relay 50 before being subjected to the subsequent back plate 14 painting process. It goes through the process of removing foreign substances.

At this time, as shown in FIG. 1, the brake pads 10 arranged in the longitudinal direction with respect to the traveling direction of the base are arranged in the transverse direction perpendicular to the traveling direction of the base by the rotation of the driving means 61. This has the advantage of reducing the length of the expectation that must be provided for the performance of subsequent processes.

The foreign matter removing unit 100 is provided on the base for the above foreign matter removing process after the second grinding unit 90.

The foreign material removing unit 100 includes a compressed air injector 102 for spraying compressed air on the surface of the back plate 14 and a dust collector 105 for collecting foreign matter separated from the back plate 14.

12, the compressed air injector 102 injects the compressed air toward the nozzle 103 and the back plate 14 in which the compressed air is introduced into the pipe where the space is formed to allow air to flow therein, as shown in FIG. Injection nozzle 104 may be provided to be made.

The upper part of the dust collector 105 may be provided with a perforated network 106 covering the open upper portion of the dust collector 105. As shown in FIG. 13, the perforated network 106 includes a plurality of holes 107 to allow foreign matter to enter the dust collector 105. In addition, both sides of the perforated network 106 may be formed to be inclined in the upper direction to prevent foreign substances falling on the perforated network 106 fall to the outside.

The brake pad 10 from which foreign matter is removed is relayed from the pad repeater 50 to the electromagnet holder 110 as shown in FIG. 11.

The electromagnet holder 110 is located on the base of the base, is connected to the holder shaft 112 and the holder shaft 112 which is disposed perpendicular to the traveling direction of the base rotates, the electromagnet for fixing the brake pad 10 ( And a holder block 114 having a 116.

The brake pad 10 relayed from the pad repeater 50 to the holder block 114 is fixed to the holder block 114 by the magnetic force of the electromagnet 116. The holder block 114 is then rotated 180 ° by the holder shaft 112, and the operation of the electromagnet 116 is stopped. In this way, the brake pad 10 is arranged on the base with the back plate 14 facing upward.

The coating unit 120 sprays paint on the back plate 14 of the brake pad 10 introduced as described above to perform the coating process of the back plate 14.

At the front and rear ends of each process of the above-described brake pad associating device 1, an air injection unit 130 as shown in FIG. 14 may be provided.

The air injection unit 130 sprays the air compressed by an air compressor (not shown) on the surface of the friction material 12 through the injection nozzle 134 connected to the air induction pipe 132 and is attached to the friction material 12. Remove foreign substances such as dust. By doing so, foreign matters such as fine powder adhering to the surface of the friction material 12 can be minimized from sticking to the grinder or the grindstones 74 and 84.

In addition, the front and rear ends of each process of the above-described brake pad grinding device 1 is provided with a pad sensor 140 as shown in FIG.

The pad detection sensor 140a provided at the front end of one process checks the quantity of the brake pads 10 input to the corresponding process, and the pad detection sensor 140b provided at the rear end of the brake is discharged after finishing the process in the corresponding process. The quantity of the pad 10 is checked. If the quantity of the brake pad 10 checked by the pad sensor 140a provided at the front end and the quantity of the brake pad 10 checked by the pad sensor 140b provided at the rear end are different, the process line By stopping it, it prevents a defect from occurring.

In addition, the pad relay unit 50 is picked up by the pad relay unit 50 from the carrier plates 20, 20a, and 20b reciprocating a part of the process section on the base, and is connected to other processes by the pad relay unit 50. If there are brake pads 10 remaining in the carrier plates 20, 20a, and 20b because they cannot be picked up, the pad detection sensor 140b takes over the picked up brake pads 10 in a subsequent step and returns to the previous step again. The brake pad 10 remaining on the carrier plates 20, 20a, and 20b is sensed to stop the process line.

The pad detecting sensor 140 may be implemented using a transmissive sensor having a light emitting unit and a light receiving unit.

Meanwhile, although not shown, the brake pad grinding device 1 according to the present invention is swollen by a scouring treatment unit and a scouring treatment to burn off the surface of the friction material 12 to remove the gas emitted from the organic material following the above-described coating process. Third grinding portion for finishing the surface of the raised friction material 12, Marking portion for printing the manufacturer or product number, etc. on the surface of the back plate 14 and shim for assembling the damping shim on the surface of the back plate 14 The assembly may further include. The scouring treatment unit, the third grinding unit, the marking unit and the shim assembly unit can be implemented with equipment used in the brake pad 10 processing process that is generally performed.

16 and 17 are flowcharts illustrating a grinding process of a brake pad according to a preferred embodiment of the present invention.

As shown in FIG. 16, in the grinding process of the brake pad 10 according to the preferred embodiment of the present invention, a step of initially supplying a blank on a base (S100), roughing the friction material 12 (S110), and friction material Forming the slot 18 in the step 12 (S120), adjusting the placement angle of the brake pad 10 (S130), by using the first inclined surface processing unit 70 on one side of the friction material 12 Process the inclined surface 16 (S140), re-adjust the placement angle of the brake pad 10 (S150), using the second inclined surface processing unit 80, the inclined surface 17 on the other side of the friction material 12 It may include the step (S160) and the step of finishing the friction material 12.

Here, if necessary, it is also possible to form a plurality of slots 18 facing different directions in the friction material 12 by performing the slot processing step once more to the step after the step S140.

Meanwhile, after the processes listed above, as shown in FIG. S230) and the shim assembly step S240 may be further performed to obtain a completed brake pad 10.

The grinding process of the brake pad 10 according to FIGS. 16 and 17 may be performed by the brake pad grinding apparatus 1 described above.

The above description is merely illustrative of the technical idea of the present invention, and various modifications, changes and substitutions may be made by those skilled in the art without departing from the essential characteristics of the present invention. It will be possible. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

1 is a view schematically showing a brake pad grinding device according to a preferred embodiment of the present invention.

2 is a cross-sectional view of the carrier plate.

3 is a cross-sectional view of the brake pad processed by the brake pad grinding apparatus of the present invention.

4 is a cross-sectional view of a brake pad having jaws formed on both sides of the friction material.

5 is a plan view of a brake pad having various inclined surfaces.

6 to 9 are diagrams for explaining the pad relay.

10 is a view illustrating a process of removing foreign matter attached to the back plate.

11 is a view showing a process of painting the back plate.

12 shows a compressed air injector.

It is a top view of a perforation network.

14 is a view showing an air injection unit.

15 shows that the pad monitoring sensor is provided in the brake pad grinding device.

16 and 17 are flowcharts illustrating a grinding process of a brake pad according to a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Brake Pad Grinding Device 10: Brake Pad

20: carrier plate 30: first grinding portion

40: slot processing part 50: pad relay

70: first inclined plane processing unit 80: second inclined plane processing unit

90: second grinding unit 100: foreign matter removal unit

110: electromagnet holder portion 120: paint portion

130: air injection unit

Claims (11)

Slot processing unit for forming a slot in the friction material provided in the brake pad; A pad relay unit having a rotation block rotatably disposed at a lower side of the support plate that is lifted and moved back and forth, and a pad detachment unit provided at a lower end of the rotation block to detach the brake pad; A first inclined surface processing portion forming an inclined surface on one side of the friction material whose arrangement angle is adjusted by the pad relay; A second inclined surface processing portion for forming an inclined surface on the other side of the friction material whose arrangement angle is adjusted by the pad relay; And And a pad detecting sensor seated on the carrier plate for transporting the brake pad and checking whether the quantity of the brake pads to be put into one process and the quantity of the brake pads discharged after performing the process are the same. Brake Pad Grinding Device. delete The method of claim 1, The carrier plate is a brake pad grinding device, characterized in that it has a pad arrangement groove formed with a sliding surface on the top. The method of claim 1, The pad detachable part includes an air cylinder provided at a lower portion of the rotating block, a permanent magnet connected to the air cylinder and reciprocating upward and downward, and a cap coupled to a lower end of the air cylinder and spaced apart from the permanent magnet and the brake pad. Brake pad grinding apparatus comprising a. The method of claim 1, The pad relay unit Power transmission rod that rotates by receiving power from the drive unit through the rack gear and pinion gear, the rotation shaft is rotated by the same angle as the rotation angle of the power transmission rod, the lower end is a rotating shaft connected to the rotation block, the stop is connected to the rack gear Brake pad grinding apparatus comprising a bar and a rotation angle control unit for adjusting the reciprocating distance of the stop bar. The method of claim 5, The pad relay unit A brake pad grinding device, characterized in that the outer side of the rotation angle control unit has a scale indicated by converting the transfer distance of the stop bar in degrees and instructions attached to the stop bar to indicate the angle indicated on the scale. The method of claim 1, And a foreign material removal unit including a compressed air injector for injecting compressed air to a surface of the back plate provided in the brake pad and a dust collector for collecting foreign matter separated from the back plate. The method of claim 1, The slot processing part Brake pad grinding apparatus characterized in that the outer peripheral edge of the grinder for processing the slot is provided with a polishing tip having a cross-sectional shape of the width narrowed toward the outer direction of the grinder. delete It is formed by the brake pad grinding apparatus of any one of Claims 1 and 3-8, Friction material provided with a friction surface in contact with the rotor disk and the inclined surface on both sides of the friction surface, and And a back plate supporting the friction material, The edge formed by the friction surface and the inclined surface is in contact with the brake pad characterized in that made of an oblique line. The method of claim 10, The friction material has a brake pad, characterized in that it has a slot of the narrow shape toward the inner direction from the surface.

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