CN207954444U - Brake block heat pressing forming device - Google Patents

Abstract

The brake pad thermoforming device includes a frame; a plurality of heating plates arranged along the height direction, the bottom heating plate is fixedly connected with the frame, other heating plates can move along the height direction of the frame, and the adjacent two One of the two heating plates is provided with a punch, and the other is provided with a die, and the punch and the die form a mold cavity when the two adjacent heating plates are closed; between the two adjacent heating plates A limit piece is provided, and the limit piece is used to limit the maximum displacement between two adjacent heating plates; a multi-stage hydraulic cylinder, the cylinder body of which is fixedly connected to the bottom of the frame, and its multiple telescopic rods are respectively used It is used to push other multiple heating plates except the heating plate at the bottom and the heating plate at the top; the cylinder body of the main hydraulic cylinder is fixed on the frame, and the telescopic rod is fixedly connected to the heating plate at the top. The utility model realizes synchronous hot-press forming of multiple brake pads, greatly improves the production efficiency of the brake pads, and simplifies the production process of the brake pads.

Description

Brake pad thermoforming device

technical field

The utility model relates to a brake pad processing equipment, in particular to a brake pad hot-press forming device.

Background technique

Brake pads are generally made of steel fiber, graphite and other powder materials. During the pressing process, the raw materials are placed in the mold cavity, and the raw materials are hot-pressed within a certain temperature range to vulcanize the raw materials and finally form them. for brake pads. When the existing thermoforming device presses the brake pad, it can only realize single-layer pressing, and the production efficiency is low.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide a brake pad hot pressing forming device, which can realize multi-layer synchronous pressing, and can simultaneously hot press and form multiple brake pads at one time.

In order to achieve the above object, the utility model adopts the following technical solutions:

Brake pad thermoforming device, including:

frame;

A plurality of heating plates arranged along the height direction, the bottom heating plate is fixedly connected with the frame, the other heating plates can move along the height direction of the frame, one of the two adjacent heating plates is provided with a punch 1. A concave mold is set on the other, and the convex mold and the concave mold form a mold cavity when the two adjacent heating plates are closed; a limiting member is arranged between the adjacent two heating plates, and the limiting member is used to limit The maximum displacement between two adjacent heating plates;

Multi-stage hydraulic cylinder, the cylinder body of the multi-stage hydraulic cylinder is fixedly connected to the bottom of the frame, and its multiple telescopic rods are respectively used to push other multiple heating plates except the bottom heating plate and the top heating plate ;

The main hydraulic cylinder, its cylinder body is fixed on the frame, and the telescopic rod is fixedly connected to the heating plate on the top.

The telescopic rod of the multi-stage hydraulic cylinder is screwed with a nut for pushing the heating plate when the multi-stage hydraulic cylinder is pressurized, and the nut is locked on the telescopic rod of the multi-stage hydraulic cylinder through a set screw.

The thermoforming device also includes a support assembly, the support assembly includes a support column extending along the height direction and pivotally matched with the frame, a plurality of support rods fixed on the support column, and a drive unit, the plurality of support rods and Except for the heating plate at the bottom and the heating plate at the top, there is a one-to-one correspondence between other heating plates, and the drive unit is used to drive the support column to rotate so that the support bar is supported on the lower surface of the corresponding heating plate and away from the heating plate. Rotate between board positions.

The driving unit includes a driving cylinder and a connecting rod. One end of the connecting rod is fixed to the support column, and the other end is hinged to the power output end of the driving cylinder. The cylinder body of the driving cylinder is hinged on the frame.

The hot press forming device also includes a return hydraulic cylinder, and the telescopic rod of the return hydraulic cylinder is fixedly connected with the topmost heating plate.

The limiting member includes a limiting pull rod pierced through the heating plate, and a limiting nut arranged at an end of the limiting pull rod.

The beneficial effects of the utility model are:

Compared with the prior art, the utility model can realize synchronous hot pressing forming of multiple brake pads in one hot pressing process through multi-layer hot pressing, which greatly improves the production efficiency of the brake pads and reduces the labor cost , and simplifies the production process of brake pads.

Description of drawings

Fig. 1 is the structural representation of the utility model thermoforming device;

Fig. 2 is a structural schematic diagram of the utility model support assembly;

Fig. 3 is the structural representation of the drive unit of the utility model;

Fig. 4 is the side view of Fig. 1, and describes the working condition of the utility model when feeding;

Fig. 5 is a structural schematic diagram of the multi-stage hydraulic cylinder in Fig. 4 .

Detailed ways

Below, in conjunction with accompanying drawing and specific embodiment, the utility model is further described:

As shown in Figures 1, 2, 3, 4, and 5, it is a brake pad hot-press forming device of the present invention, which includes a frame 10, a plurality of heating plates, a multi-stage hydraulic cylinder 40 and a main hydraulic cylinder. The frame 10 is the installation base part of the entire thermoforming device, and a plurality of heating plates are arranged along the height direction. The top heating plate 23 and the four heating plates 22 in the middle, wherein the heating plate 21 is fixedly connected to the bottom of the frame 10, and other heating plates 21 and heating plates 23 can move along the height direction of the frame 10; Among the two adjacent heating plates, one of them is provided with a convex mold and the other is provided with a concave mold. When the two adjacent heating plates are molded together, the convex mold and the concave mold form a mold cavity; at the same time, the adjacent A limiting member is also arranged between the two heating plates, and the limiting member is used to limit the maximum displacement between the two adjacent heating plates, so as to prevent the two adjacent heating plates from being separated when the relative distance is relatively large when the mold is opened. The cylinder body of the multistage hydraulic cylinder 40 is fixedly connected to the bottom of the frame 10, and each telescopic rod of the multistage hydraulic cylinder 40 is used to push four heating plates 22 respectively, that is to say, when the multistage hydraulic cylinder 40 increases When pressing, the telescopic rods on it are used to push the four heating plates 22 respectively, so that the four heating plates 22 move upward, and when the multi-stage hydraulic cylinder maintains the pressure, the four heating plates 22 are in the corresponding positions. Height, so that the distance between the punch and the die can facilitate the addition of raw materials to be pressed. The cylinder body of the main hydraulic cylinder is fixed on the top of the frame 10, and its telescopic rod is connected on the heating plate 23. When the mold is closed, the multi-stage hydraulic cylinder 40 releases pressure, and the main hydraulic cylinder pushes the heating plate 23 to move downward, so that Multiple heating plates are clamped at the same time to complete the simultaneous pressing of five layers of brake pads.

The working process of the above-mentioned hot press forming device of the present utility model is as follows. The multi-stage hydraulic cylinder 40 is used to support a plurality of heating plates 22 at corresponding heights. When the main hydraulic cylinder is not working, the top heating plate 23 is also at a high position. , the die on the heating plate 23 and the punch on the heating plate 22 below it are in an open state, correspondingly, under the support of the multi-stage hydraulic cylinder 40, the punches and dies of the other two adjacent heating plates The mold is also in an open state. At this time, add raw materials to be hot-pressed in the mold cavity; then, the multi-stage hydraulic cylinder 40 releases pressure, and the main hydraulic cylinder starts to work, which drives the heating plate 23 to move downward. The heating plate 22 slides down along the height direction of the frame 10 under the action of gravity, and finally, by relying on the downforce of the main hydraulic cylinder, multiple heating plates are laminated and pressed tightly, and the starting heating plate is composed of heating tubes and thermocouples According to the formula of raw materials, the performance requirements of the brake pads and other process conditions, the pressing temperature and time are set for the heating unit. After the brake pads are formed, the main hydraulic cylinder is used to drive each heating plate to reset. During the reset process of the heating plate, Use the limit piece to prevent two adjacent heating plates from detaching.

In order to adjust the height of the heating plate during feeding according to different process requirements, the telescopic rod of the multi-stage hydraulic cylinder 40 of the utility model is screwed with a nut 41 for pushing the heating plate when the multi-stage hydraulic cylinder is pressurized. It is locked on the telescopic rod of the multi-stage hydraulic cylinder 40 by a set screw, and when adjustment is required, the set screw is loosened, and the height of the nut 41 is adjusted, and the set screw is used for locking.

During the hot pressing process, due to the phase change of the raw materials in the mold cavity, some gas will be generated. In order to ensure the pressing quality of the brake pads, the hot pressing molding device of the present invention is also provided with a support assembly. During the pressing process, the heating plate can be supported at a certain height so that the punch and die of the heating plate form a gap. When the raw material changes phase, the air generated is discharged from the gap to the external environment. Specifically, the support assembly It includes a support column 30 extending along the height direction and pivotally matched with the frame 10, a plurality of support rods 31 fixed on the support column 30, and a drive unit, and the plurality of support rods 31 correspond to the four heating plates 22 one-to-one The driving unit is used to drive the support column 30 to rotate so that the support rod 31 rotates between a position supported on the lower surface of the corresponding heating plate 22 and a position away from the heating plate 22 , that is to say. During the hot pressing process, a lifting mechanism can be used to lift the heating plate 22 and the heating plate 23, and then the driving unit is used to drive the support column 30 to rotate, so that the support rod 31 rotates 90° inwardly, and the support rod 31 is supported on the heating plate 22 At this time, the gas is discharged from the gap between the punch and the die. The utility model also includes a return hydraulic cylinder 50, which can be used as the above-mentioned lifting mechanism to lift the heating plate 23 and the heating plate 22. The above-mentioned driving unit includes a driving cylinder 32 and a connecting rod. One end of the connecting rod is fixed to the support column 30 , and the other end is hinged to the power output end of the driving cylinder 32 . The cylinder body of the driving cylinder 32 is hinged on the frame 10 .

In the present invention, the limiting member includes a limiting pull rod 25 pierced through the heating plate, and a limiting nut arranged at the end of the limiting pulling rod 25 .

In the above embodiment of the utility model, six heating plates are used, which can complete five layers of hot pressing at one time, and each layer can distribute a plurality of mold cavities for brake pad molding; what needs to be emphasized here is , the layer setting of the heating plate should not be limited to the above-mentioned embodiment, it can be adjusted according to the needs, in a word, the utility model can realize the synchronous hot pressing of multiple brake pads in one hot pressing process through multi-layer hot pressing Forming greatly improves the production efficiency of brake pads and simplifies the production process of brake pads.

The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be applied to the foregoing embodiments. The technical solutions recorded in the examples are modified, or some technical features are replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (6)

1. Brake pad thermoforming device, characterized in that it comprises: frame; A plurality of heating plates arranged along the height direction, the bottom heating plate is fixedly connected with the frame, the other heating plates can move along the height direction of the frame, one of the two adjacent heating plates is provided with a punch 1. A concave mold is set on the other, and the convex mold and the concave mold form a mold cavity when the two adjacent heating plates are closed; a limiting member is arranged between the adjacent two heating plates, and the limiting member is used to limit The maximum displacement between two adjacent heating plates; Multi-stage hydraulic cylinder, the cylinder body of the multi-stage hydraulic cylinder is fixedly connected to the bottom of the frame, and its multiple telescopic rods are respectively used to push other multiple heating plates except the bottom heating plate and the top heating plate ; The main hydraulic cylinder, its cylinder body is fixed on the frame, and the telescopic rod is fixedly connected to the heating plate on the top. 2. The brake pad hot press forming device as claimed in claim 1, wherein the telescopic rod of the multi-stage hydraulic cylinder is screwed with a nut for pushing the heating plate when the multi-stage hydraulic cylinder is pressurized, and the nut is tightened by The set screw is locked on the telescopic rod of the multi-stage hydraulic cylinder. 3. The brake pad thermoforming device according to claim 1, characterized in that, the thermoforming device further comprises a support assembly, the support assembly includes a support column extending along the height direction and pivotally fitted with the frame, a fixed A plurality of support rods on the support column, and a drive unit, the plurality of support rods correspond to other heating plates except the bottommost heating plate and the topmost heating plate, and the drive unit is used to drive the support column Rotate to make the support rod rotate between the position supported on the lower surface of the corresponding heating plate and the position away from the heating plate. 4. The brake pad thermoforming device according to claim 3, wherein the driving unit comprises a driving cylinder and a connecting rod, one end of the connecting rod is fixed to the support column, and the other end is hinged to the power output end of the driving cylinder, and the driving cylinder The cylinder body is hinged on the frame. 5 . The brake pad thermoforming device according to claim 1 , further comprising a return hydraulic cylinder, the telescopic rod of the return hydraulic cylinder is fixedly connected to the topmost heating plate. 6 . 6 . The brake pad thermoforming device according to claim 1 , wherein the limiting member comprises a limiting rod connected on the heating plate, and a limiting nut arranged at an end of the limiting rod. 7 .