WO2016129886A1

WO2016129886A1 - Brake pad friction material forming apparatus

Info

Publication number: WO2016129886A1
Application number: PCT/KR2016/001289
Authority: WO
Inventors: 유원식
Original assignee: 주식회사 비욘텍
Priority date: 2015-02-11
Filing date: 2016-02-05
Publication date: 2016-08-18
Also published as: CN107000354B; KR101534125B1; CN107000354A

Abstract

The present invention relates to a brake pad friction material forming apparatus for press forming a friction material powder on a back plate for brake pads that are used in the brakes of vehicles and other means of transportation. A brake pad friction material forming apparatus is provided which is capable of automatically and continuously filling a friction material powder into a mold cavity, so as to maximize production efficiency and also minimize the rate of defects and reduce production costs.

Description

Brake Pad Friction Material Forming Equipment

The present invention relates to a brake pad friction material forming apparatus for press molding a friction material powder on a back plate in a brake pad applied to a brake of a transport means such as a vehicle.

In general, the brake pad (P) applied to the brake of the conveying means such as a vehicle is provided as a means for braking driving by preventing the rotation of the brake disk of a car such as a prime mover, a large vehicle with a friction force, and the friction material (a) and friction material ( It has the structure of the back plate b which becomes a steel plate material which supports a).

In general, a process for manufacturing the brake pad (P), by compression molding the friction material powder on the upper surface of the back plate (b) of the steel sheet material to make the brake pad (P) primarily and then molded into a block shape After roughing the rough surface of the friction material (a) using a grinding device, and roughing the rough surface to be a precise standard product, and then machining both ends of the friction material block on the inclined surface, the friction material (a ) Is processed into slots so as to branch into nutrients, and then a series of processes are completed by scouring of the friction material (a) and painting of the back plate.

As described above, the brake pad P is typically composed of a back plate b and a friction material a attached thereto. The friction material (a) is filled with the powder of the material constituting the friction material (a) in the mold cavity and placed on the back plate (b) to complete the primary brake pad (P) by the final press molding, wherein the friction material powder To form, the friction material powder is accurately metered and preformed in the mold.

In this process, accurate metering of friction ash powder required considerable labor, time and cost. In the conventional case, the operator was forced to weigh the friction material powder corresponding to one friction material and fill the cavity of the mold by using a precise weighing scale in the production line of the brake pad.

As a result of the above work, the efficiency of the work decreases, and if the friction material powder is not filled accurately due to the operator's mistake, defective products may occur, and labor costs are incurred due to the worker's digestion of one process. There is a problem such as increasing.

The present invention has been made to solve the above problems, it is possible to automatically and continuously carry out the friction material powder in the mold cavity to maximize the efficiency of production as well as to minimize the defect rate and reduce the production cost It is an object of the present invention to provide a brake pad friction material molding apparatus.

The present invention enables to automatically and continuously carry out the process of filling the mold cavity for the extrusion of the friction material powder powder material to maximize the efficiency of production as well as to minimize the failure rate and reduce the production cost Provided is a friction material molding apparatus.

When the brake pad friction material forming apparatus according to the present invention is provided, the friction material powder is filled into the mold cavity quickly and accurately, so that only the precise amount of friction material is filled into the cavity to be molded, thereby minimizing the defective rate and at the same time excellent in cost reduction. Of course, the work process is uniformly fast and the production time is shortened, and as a result, an easy effect on mass production can be expected.

1 is a front view of the entire coupling of the brake pad friction material forming apparatus according to the present invention,

2 is a front view of the press apparatus in the present invention,

Figure 3 is a side view of the press device in the present invention,

Figure 4 is a front view showing the friction material supply portion and the pressurizing device portion in the present invention,

5 is a plan view representing a part of the friction material supply unit in the present invention,

6 is a front view of the metering unit according to the present invention;

FIG. 7 is a front view illustrating a state before the friction material powder is filled into the mold in a state in which the press device part, the friction material supply part, and the pressure device part are coupled to each other in the present invention;

8 is a front view showing the friction material supply before transferring the lower side after the upper press of the press unit in the present invention,

9 is a front view illustrating a state in which a friction material is filled in a mold in a state where a friction material supply unit is located at a lower press of the press device unit;

10 to 15 is a cross-sectional view of the working state representing the process of filling the friction material powder in the mold cavity in the present invention,

16 is a brake pad friction material produced by the present invention.

The present invention provides a brake pad molding apparatus for compression molding a friction material powder used in a brake pad on a back plate, and includes a mold 111 including an elevating block 113 capable of vertically transferring a bottom surface of a cavity 112 in which a friction material powder is accommodated. Press device unit 100 and the press is provided with a lower press 110 provided at the upper end, and an upper press 120 configured to be moved back and forth by the cylinder C above the lower press 110. The mold 111 through the friction material supply unit 200 and the friction material supply unit 200 for evenly filling the friction material powder in the cavity 112 of the mold 111 provided on the upper end of the lower press 110 of the device unit 100. After filling the friction material powder into the cavity 112 of the (1) to the pressure device unit 300 for pressing the friction material powder primarily and the metering device unit 400 for supplying a fixed amount of friction material powder to the friction material supply unit 200According to the generated normal of the brake pad friction material-forming device,

The friction material supply unit 200 has a cutting hole 211 is drilled in a position corresponding to the cavity 112 of the mold 111, and is raised and lowered by the cylinder (C), the rack gear 212 and the transfer rail 213 Lifting frame 210 is provided on the upper surface; The transfer frame 221 and the lower side is conveyed by the transfer motor 222 having a pinion gear 223 in conjunction with the rack gear 212 along the transfer rail 213 of the lifting frame 210, A friction material filling device 220 which is open and has a transfer hopper 224 having a finishing material 225 at a bottom thereof, is formed on an upper surface of the transfer frame 221; The opening and closing plate 231 rotated by the cylinder (C) is provided on the inside, characterized in that it consists of a storage hopper 230 for supplying to the transfer hopper 224 of the friction material filling device 220 after storing the friction material powder. Brake pad friction material forming apparatus,

The metering unit 400 has a friction material powder is stored in the inner side and the discharge port (413, 423) is formed on the lower side and the screw motor (411, 421) to discharge a predetermined amount after receiving the friction material powder through the outlet (413, 423) A first and second friction

ash powder tanks

410 and 420 which are operated by

screws

412 and 422 which are provided below the

outlets

413 and 423; The friction ash powder discharged through the

outlets

413 and 423 of the first and second friction

ash powder tanks

410 and 420 is introduced, and the opening and closing plate 431 operated by the cylinder C is installed inside the opening and closing plate. A quantitative supply hopper 430 having a weight sensor 432 for sensing a weight of the 431; A cylinder (C) having an opening / closing cup (441) into which the friction material powder discharged through the fixed-quantity supply hopper (430) flows is provided therein and operating the opening / closing cup (441) to discharge the friction material powder to the lower side (C). Primary carrier 440 is provided on one side; A cylinder (C) having an opening / closing cup (451) into which the friction material powder discharged through the primary carrier (440) flows is provided therein and operating the opening / closing cup (451) to discharge the friction material powder to the lower side (C). The brake pad friction material forming apparatus, characterized in that consisting of a secondary carrier 450 is provided on one side.

The present invention is to press-molded the friction material (a) to the ped plate (b) as shown in the accompanying drawings for the primary processing of the brake pad (P), press device unit 100, friction material supply unit 200, It relates to a brake pad friction material forming apparatus composed of a pressurizing device 300, a metering device 400.

Here, the friction material (a) of the brake pad (P) is press-molded by the ped plate (b) and a strong pressure in the form of a powder and then completed through a separate grinding process to be used as a brake device of the vehicle. In the present invention, as described above, it relates to an apparatus for forming the primary material before grinding the friction material (a).

First, as shown in the accompanying drawings in the overall combined front view of the present invention, FIG. 1 is provided with press device portions 100 on both sides, and the friction material supply portion 200 and the pressurizing device portion respectively on the press device portions 100 on both sides. 300 is installed, the metering unit 400 is installed at the top of the present invention to supply the friction material powder alternately to each of the friction material supply unit 200, attached to the respective devices described below When described in detail with reference to as follows.

The press device unit 100 is configured in the form of a general press consisting of the lower press 110 and the upper press 120, as shown in Figure 2 to 3 attached, the upper end of the lower press 110, the mold 111 ) Is installed, the cavity 112 of the mold 111 is characterized in that the bottom surface is composed of a lifting block 113, the lifting surface 113, the upper press 120 is mounted on the cylinder (C) which is installed at the rear end It is characterized in that it is installed so that forward and backward transfer is possible.

The friction material supply unit 200 filling the friction material powder in the mold 111 of the press device unit 100 112 is friction material filling device 220 on the upper surface of the elevating frame 210 as shown in FIGS. ) Is installed, the storage hopper 230 is provided above the friction material filling device 220 is installed on the upper side of the press device unit 100.

The lifting frame 210 is configured to be moved up and down by the cylinder (C) fastened to both sides, the cutting hole 211, such as the cavity 112 shape in the position corresponding to the cavity 112 of the mold 111 Perforated, the upper surface is characterized in that the rack gear 212 and the transfer rail 213 is provided.

The friction material filling device 220 installed above the elevating frame 210 is driven by the transfer motor 222 having the pinion gear 223 interlocked with the rack gear 212 of the elevating frame 210. Consisting of the conveying frame 221 for feeding left and right along the conveying rail 213 of the elevating frame 210, and the conveying hopper 224 installed on the upper surface of the conveying frame 221.

The transfer hopper 224 is a friction material powder is accommodated but the lower side is opened, the bottom surface is provided with a finishing material 225, the bottom surface of the transfer hopper 224 is in close contact with the upper surface of the elevating frame 210 Even if the lower side of the transfer hopper 224 in the open state to prevent the friction material powder to escape to the outside.

At this time, the transfer hopper 224 is transported to the left and right along the upper surface of the elevating frame 210, the cutting hole 211 perforated in the elevating frame 210 is accommodated in the transfer hopper 224 when the transfer hopper 224 passes The friction material powder is discharged downward through the incision hole 211 and filled in the cavity 112 of the mold 111, and at this time, when the transfer hopper 224 repeats the operation passing through the cavity 112 while feeding left and right. The lifting block 113 constituting the bottom of the cavity 112 gradually descends according to the stored program, gradually creating a space in the cavity 112 so that the friction material powder can be gradually filled in the cavity 112 by this operation. It is possible to produce the same density of friction material during press molding.

On the other hand, the storage hopper 230 for supplying the friction material powder to the transfer hopper 224 is installed above the transfer hopper 224, the opening and closing plate 231 which is operated by the cylinder (C) is formed inside Characterized in that, when the friction material powder is exhausted in the transport hopper 224 in the state of storing the friction material powder inside the storage hopper 230, the opening and closing plate 231 is opened to transfer the quantitative friction material powder to the transfer hopper 224. To supply.

As described above, after the friction material powder is primarily filled in the cavity 112 of the mold 111 through the friction material supply part 200, a pressurizing device part 300 is provided to press the friction material powder evenly. ) Is provided with a cylinder (C) is fastened to the lifting frame 210 of the friction material supply unit 200, the lifting frame 210, the support frame 310 is formed on the upper end of the cylinder (C), the support frame 310 The other end of the pressing plate 311 is characterized in that it is provided.

Here, the pressing plate 311 presses the friction material powder filled in the cavity 112 of the mold 111 with a constant force, and the shape of the pressing plate 311 is equal to the shape of the cavity 112 to evenly press the cavity 112 as a whole. In this way, while pressing the friction material powder as described above, the boundary line of the first and second friction material powder is made evenly while horizontally inside the cavity 112, thereby minimizing the failure of the brake pads.

On the other hand, a metering unit 400 for quantitatively supplying the friction material powder to the friction material supply unit 200 is installed on the friction material supply unit 200, the metering unit 400 is the primary friction material powder tank 410 and Quantitative supply hoppers 430 are provided below the secondary friction ash powder tank 420, respectively, and primary carriers 440 are provided below the fixed quantity supply hoppers 430, respectively. 1) is characterized in that one secondary carrier 450 is provided to be transported to the left and right.

The first and second friction ash powder tanks (410, 420) is a place where the first and second friction ash powders are stored, respectively, having

outlets

413 and 423 provided at one side of the lower friction material powder, and discharged a predetermined amount after receiving the friction ash powder through the

outlets

413 and 423.

Screws

412 and 422 operated by the

screw motors

411 and 421 are provided under the

outlets

413 and 423 so as to be possible.

The quantitative supply hopper 430 is a friction material powder discharged through the discharge port (413,423) of the primary and second friction ash powder tank (410,420), the opening and closing plate 431 operated by the cylinder (C) is inside The weight sensor 432 is installed and detects the weight of the opening and closing plate 431, characterized in that the weight of the friction material powder through the weight sensor 432 to determine the amount of friction material powder hopper 430, the first and second friction material powder tanks (410, 420) to control the screw motors (411, 421) to stop the rotation of the screws (412, 422) to stop the further friction ash powder discharged as a result of the friction material powder After receiving the friction material to be supplied to the friction material supply unit 200 of quantitative.

The primary carrier 440 into which the friction material powder discharged through the metered feed hopper 430 flows is provided with an opening / closing cup 441 rotated by a cylinder C on the inside thereof, and is introduced from the metered feed hopper 430. After receiving the friction material powder is discharged to the lower side, wherein the primary carrier 440 is provided with the number of the cavities 112 of the mold 111 and the fixed-quantity supply hopper 430 is composed of one primary carrier 440 is configured to be supplied while moving back and forth to receive the friction material powder from the quantitative supply hopper 430.

On the other hand, the secondary carrier 450 that receives the friction material powder from the primary carrier 440 is provided with an opening and closing cup 441, the operation of the opening and closing cup 441 to discharge the friction material powder to the lower side. Characterized in that the cylinder (C) is provided on one side, but the secondary carrier 450 is installed so as to be transported from side to side friction material powder from the primary carrier 440 respectively provided on both sides After the friction material powder is supplied while moving to the left and right to receive the supply of the friction material powder to the storage hopper 230 of the friction material supply unit 200.

Hereinafter will be described the operational relationship of the present invention.

First, the first and second friction ash powders introduced through the

outlets

413 and 423 are rotated when the

screws

412 and 422 are rotated by driving the

screw motors

411 and 421 of the first and second friction

ash powder tanks

410 and 420 of the metering unit 400. When the feed hopper 430 is introduced, and the quantitative first and second friction ash powder is introduced, the first and second friction ash powders are discharged while sensing the weight by the weight sensor 432 to control the driving of the

screw motors

411 and 421. Blocking, the first and second friction ash powder introduced into the quantitative supply hopper 430 is discharged to the first carrier 440 and then the second carrier 450 to the first carrier 440 to which the first friction ash powder is supplied. After moving and receiving the primary friction material powder, it is supplied to the storage hopper 230 of the friction material supply unit 200 again, and the storage hopper 230 is the primary friction material to the transfer hopper 224 of the friction material filling device 220. As the powder is supplied, the first friction ash powder is supplied to the transfer hopper 224, and the secondary carrier 450 is the secondary hemp. After being moved to the first carrier 440, the powder material is applied by supplying the second friction material powder is supplied to the storage hopper 230 of the friction material supply section 200. The

The primary friction ash powder is supplied to the transfer hopper 224 and the secondary friction ash powder is supplied to the storage hopper 230 by the process as described above. It is in a waiting state before filling the cavity 112 and the attached FIG. 7 shows such a state.

As described above, the first and second friction material powders are supplied to the friction material supply unit 200 and then filled in the cavity 112 as follows.

First, as shown in FIG. 8, the upper press 120 of the press device 100 is moved backwards, and the lifting frame 210 of the friction material supply unit 200 descends to the upper side of the lower press 110, which is the empty space, and as a result, As a result, the mold 111 provided above the lower press 110 and the elevating frame 210 of the friction material supply unit 200 come into contact with each other to form a state as illustrated in FIG. 9.

As described above, in the state in which the elevating frame 210 is in contact with the upper end of the mold 111, the friction material powder is filled in the cavity 112 of the mold 111 in the same manner as in FIGS. 10 to 15. When the transfer hopper 224 is moved to the position of the cutting hole 211 while the cutting hole 211 of the lifting frame 210 is positioned above the cavity 112 of the mold 111, the transfer hopper 224. Primary friction material powder accommodated in the inner side of the discharge through the incision hole 211 is filled in the cavity 112, the transfer hopper 224 is continuously transported out of the incision hole 211 to transfer to the opposite side .

As the transfer hopper 224 transfers the lifting block 113 constituting the bottom surface of the cavity 112 while the transfer hopper 224 is filled with the primary friction ash powder, the cavity 112 is moved downward. There is a space in the space, and the transfer hopper 224 is transported again and moved to the position of the incision hole 211, the primary friction ash powder is filled again into the cavity 112, the transfer hopper 224 as described above Is transported to the left and right, while the lifting block 113 of the cavity 112 is gradually lowered while the cavity 112 repeats the process of gradually increasing the space, the primary friction ash powder stored in the transfer hopper 224, the cavity 112 Gradually both are filled.

When the primary friction material powder accommodated in the transfer hopper 224 is filled in the cavity 112 as described above, the cylinder C of the pressure device 300 is operated to support the plate 310 while the pressure plate 311 is lowered. The cavity 112 is lowered and pressed evenly while pressing the primary friction ash powder.

As described above, the secondary friction ash powder accommodated in the storage hopper 230 is put into the transfer hopper 224 while the pressurizing device 300 is operated. When the pressurizing device 300 returns to its original position after pressurizing, the feed is transferred. The hopper 224 is transported to the left and right, and the secondary block ash powder is filled into the cavity 112 while repeating the process of gradually descending the lifting block 113 of the cavity 112, and the pressurizing unit 300 is operated again to operate the cavity. When the operation of pressing the secondary friction ash powder of 112 is completed, the operation of filling the secondary friction ash powder into the cavity 112 is completed.

When the first and second friction material powder is filled in the cavity 112 as described above, the friction material supply unit 200 rises and the upper side of the lower press 110 is left as an empty space, in which case the operator directly directly backplates of the brake pads P. Inserting (b) into the cavity 112 is performed.

As described above, when the first and second friction ash powder is filled in the cavity 112 and the back plate (b) is inserted, the upper press 120 moves forward and is located on the upper side of the lower press 110, and then presses the back plate (b). ) And the 1st and 2nd friction material powder are pressed together by strong pressure, and the friction material of the brake pad is formed.

Meanwhile, while the first and second friction ash powders are filled in the cavity 112, the first and second friction ash powders of the metering unit 400 are supplied to the primary carrier 440 via the quantitative supply hopper 430. When the friction material supply unit 200 fills the first and second friction material powder into the cavity 112 and then lifts, the state in which the first and second friction material powder can be directly filled into the storage hopper 230 and the transfer hopper 224. This process is performed when the press work is performed in the press device unit 100. After the press work is finished, the operator removes the brake pad P and immediately after the upper press 120 moves backward, the friction material supply part immediately. The 200 will perform the following work, and this continuous process enables faster and more accurate work in producing the brake pads P, thereby minimizing the mass production as well as the defective rate.

In addition, in the present invention, as shown in the accompanying drawing 1, the metering unit 400 is installed at the top and the friction material supply unit 200 and the press unit 100 are respectively installed on both sides so as to be more suitable for mass production. Produced.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is, of course, not limited to the above embodiments, and the present invention has been described by those skilled in the art to which the present invention pertains. Of course, various modifications and variations may be possible.

Therefore, the technical idea in the present invention should be understood by the claims described below, but it will be apparent that all equivalent or equivalent modifications belong to the scope of the technical idea of the present invention.

The present invention is to reduce the production efficiency of the brake pad friction material applied to the brake of the transport means, such as a vehicle, and to reduce the defective rate and production cost, the industrial applicability will be high.

Claims

A brake pad forming apparatus for pressing-molding a friction material powder used in a brake pad on a back plate, wherein a mold 111 composed of a lifting block 113 capable of vertically conveying the bottom surface of the cavity 112 in which the friction material powder is accommodated is provided at the top. The press device unit 100 and the press device unit 100 in which the lower press 110 and the upper press 120 configured to be transportable forward and backward by the cylinder C are installed above the lower press 110. Cavity of the mold 111 through the friction material supply unit 200 and the friction material supply unit 200 for evenly filling the friction material powder in the cavity 112 of the mold 111 provided on the upper end of the lower press 110 of 112 is generally composed of a pressurizing device unit 300 for pressing the friction material powder after filling the friction material powder and a metering unit 400 for supplying a quantity of friction material powder to the friction material supply unit 200. In the brake pad friction material forming apparatus of

The friction material supply unit 200 has a cutting hole 211 is drilled in a position corresponding to the cavity 112 of the mold 111, and is raised and lowered by the cylinder (C), the rack gear 212 and the transfer rail 213 Lifting frame 210 is provided on the upper surface;

The transfer frame 221 and the lower side is conveyed by the transfer motor 222 having a pinion gear 223 in conjunction with the rack gear 212 along the transfer rail 213 of the lifting frame 210, A friction material filling device 220 which is open and has a transfer hopper 224 having a finishing material 225 at a bottom thereof, is formed on an upper surface of the transfer frame 221;

The opening and closing plate 231 rotated by the cylinder (C) is provided on the inside, characterized in that it consists of a storage hopper 230 for supplying to the transfer hopper 224 of the friction material filling device 220 after storing the friction material powder. Brake pad friction material forming apparatus.
The method of claim 1,

The metering unit 400 has a friction material powder is stored in the inner side and the discharge port (413, 423) is formed on the lower side and the screw motor (411, 421) to discharge a predetermined amount after receiving the friction material powder through the outlet (413, 423) A first and second friction ash powder tanks 410 and 420 which are operated by screws 412 and 422 which are provided below the outlets 413 and 423;

The friction ash powder discharged through the outlets 413 and 423 of the first and second friction ash powder tanks 410 and 420 is introduced, and the opening and closing plate 431 operated by the cylinder C is installed inside the opening and closing plate. A quantitative supply hopper 430 having a weight sensor 432 for sensing a weight of the 431;

A cylinder (C) having an opening / closing cup (441) into which the friction material powder discharged through the fixed-quantity supply hopper (430) flows is provided therein and operating the opening / closing cup (441) to discharge the friction material powder to the lower side (C). Primary carrier 440 is provided on one side;

A cylinder (C) having an opening / closing cup (451) into which the friction material powder discharged through the primary carrier (440) flows is provided therein and operating the opening / closing cup (451) to discharge the friction material powder to the lower side (C). Brake pad friction material forming apparatus, characterized in that consisting of a secondary carrier 450 is provided on one side.