Multi-layer brake pad hot press

Abstract

The utility model discloses a multi-layer brake pad hot press which comprises a press body, a movable pressing plate arranged at the upper end of the press body is pressed towards a workbench through a hydraulic air cylinder fixed to the upper end face of the press body, the movable pressing plate is connected with the workbench through four vertical columns, and the vertical columns are arranged on the movable pressing plate. The movable pressing plate slides relative to the vertical column, and a plurality of first-layer workbenches, a plurality of second-layer workbenches and a plurality of third-layer workbenches are arranged between the movable pressing plate and the workbench from top to bottom and fixedly connected through elastic devices. And the first-layer workbench, the second-layer workbench and the third-layer workbench are arranged on the vertical columns in a sliding and sleeving manner. By means of the device, die pressing of different dies on different workbenches can be achieved so that brake pads of different sizes can be machined; meanwhile, the movable workbench is of a multi-layer structure, so that a plurality of brake pads can be machined at a time, the working efficiency is greatly improved, and the production cost is indirectly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment manufacturing, in particular to a multi-layered brake pad hot press. Background Art

[0002] The hot press is an important production equipment in the brake pad molding process. The traditional hot press has a work surface, and can only hot press a limited number of brake pads each time it works, and is only suitable for one mold, so that the traditional hot press can only hot press a limited single size of brake pads when working. In production, not only one size of brake pads will be produced, and using multiple hot presses to assemble different molds will greatly increase production costs. In the patent number CN115556413A, named a brake pad hot press, although the brake pad hot press can process different brake pads by replacing the square mold assembly and the round mold assembly in production, it requires operators during processing, consumes a lot of time, and will greatly reduce production efficiency. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a multi-level brake pad heat press.

[0004] According to the technical solution provided in the embodiment of the present application, a multi-level brake pad hot press includes a press body, a movable pressing plate arranged at the upper end of the press body is pressed toward the workbench by a hydraulic cylinder fixed on the upper end surface of the press body, the movable pressing plate is connected to the workbench through four vertical columns, the movable pressing plate slides relative to the vertical columns, and a plurality of first-layer workbench, second-layer workbench and third-layer workbench fixedly connected from top to bottom by elastic devices are provided between the movable pressing plate and the workbench, the first-layer workbench, the second-layer workbench and the third-layer workbench are all slidably sleeved on the vertical columns, the movable pressing plate is pressed toward the first-layer workbench by the hydraulic cylinder, and while overcoming the elastic force of the elastic device, the movement of the first-layer workbench is pressed toward the second-layer workbench, and similarly, the second-layer workbench is pressed toward the third-layer workbench, and the third-layer workbench is pressed toward the workbench, thereby realizing hot pressing of the workpiece.

[0005] Furthermore, the lower end surface of the third-layer workbench is fixedly connected to the workbench through an elastic device, so that the third-layer workbench is pressed downward and limited by the workbench.

[0006] Furthermore, the elastic device comprises a multi-section telescopic rod and a compression spring, and the compression spring is sleeved on the multi-section telescopic rod, so as to reduce the overall height of the elastic device and facilitate hot pressing molding.

[0007] Furthermore, grooves for placing elastic devices are provided on the first-layer workbench, the second-layer workbench, the third-layer workbench and the workbench to facilitate the retraction of the elastic devices.

[0008] Furthermore, an electromagnetic adsorption device is provided between the first workbench, the second workbench, the third workbench and the workbench, and the electromagnetic adsorption device includes an electromagnet block and a ferromagnetic material block. The electromagnet block and the ferromagnetic material block are respectively located on the adjacent end surfaces of the first workbench, the second workbench, the third workbench and the workbench, and are used to overcome the elastic force of the elastic device.

[0009] To sum up, the beneficial effects of the present application are as follows: the device of the present application is provided with multiple movable workbenches on the hot press. When using the upper mold on the movable pressing plate for pressing, pressing of different molds on different workbenches can be realized to process brake pads of different sizes; at the same time, since the movable workbench has a multi-level structure, multiple brake pads can be processed at one time, the work efficiency is greatly improved, and the production cost is indirectly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0011] Figure 1 It is a structural schematic diagram of the overall device of the utility model;

[0012] Figure 2 This is a front view structural diagram of the overall device of the utility model;

[0013] Figure 3 This is a schematic diagram of the connection structure between the second workbench and the elastic device of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the second workbench of the utility model.

[0015] The numbers in the figure are: press body-1; movable pressing plate-2; hydraulic cylinder-3; working table-4; vertical column-5; elastic device-6; multi-section telescopic rod-61; compression spring-62; first-layer working table-7; second-layer working table-8; third-layer working table-9; groove-10. DETAILED DESCRIPTION

[0016] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0017] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] like Figure 1 and Figure 2 As shown, a hydraulic cylinder 3 is fixedly provided on the upper end surface of the press body 1, and the piston rod of the hydraulic cylinder 3 is fixedly connected to the movable pressing plate 2. A first-layer workbench 7, a second-layer workbench 8, a third-layer workbench 9 and a workbench 4 that can move up and down are provided in sequence from top to bottom below the movable pressing plate 2, and the first-layer workbench 7, the second-layer workbench 8, the third-layer workbench 9 and the workbench 4 are fixedly connected by an elastic device 6, and the workbench 4 is fixed on the lower end surfaces of four vertical columns 5, and the four corners of the movable pressing plate 2, the first-layer workbench 7, the second-layer workbench 8 and the third-layer workbench 9 are slidably connected to the four vertical columns 5 respectively;

[0019] like Figure 3 and Figure 4 As shown, the elastic device 6 is fixed in the groove 10 on the second-layer workbench 8, and since the third-layer workbench 9 and the upper end surface of the workbench 4 are both provided with the elastic device 6, the third-layer workbench 9 and the workbench 4 are both provided with grooves 10 for placing the elastic device 6, so that the elastic device 6 can be retracted into the groove 10 when compressed, so as to realize the extrusion of the workpiece on the first-layer workbench 7 by the movable pressing plate 2, the second-layer workbench 8 by the first-layer workbench 7, and the third-layer workbench 9 by the second-layer workbench 8.

[0020] like Figure 3 As shown, the compression spring 62 on the elastic device 6 is movably mounted on the multi-section telescopic rod 61, and the upper and lower end surfaces of the elastic device 6 are fixedly connected to the adjacent end surfaces of the first workbench 7, the second workbench 8, the third workbench 9 and the workbench 4.

[0021] Before use, due to the presence of the elastic device 6, there is a certain distance between the first-layer workbench 7, the second-layer workbench 8, the third-layer workbench 9, and the workbench 4. At this time, the workpiece that needs to be hot-pressed can be placed in the hot-pressing lower mold on the upper end surface of the first-layer workbench 7, the second-layer workbench 8, the third-layer workbench 9, and the workbench 4, and then the hydraulic cylinder 3 is started, so that the hydraulic cylinder brings the movable pressing plate 2 up and down on the vertical column 5 until the first-layer workbench 7 is pressed. Continuing to press down will bring the first-layer workbench 7 down to the second-layer workbench 8, and when it abuts against the end surface of the second-layer workbench 8, it will bring the second The first layer workbench 8 moves downward, and similarly, the third layer workbench 9 moves downward with it, until the lower end surface of the third layer workbench 9 abuts against the workbench 4. At this time, as the hydraulic cylinder 3 continues to press down the movable pressing plate 2, the elastic force of the elastic device 6 will be overcome, so that the upper mold set on the lower end surface of the movable pressing plate 2 is pressed against the lower mold on the upper end surface of the first layer workbench 7, the upper mold on the lower end surface of the first layer workbench 7 is pressed against the lower mold on the upper end surface of the second layer workbench 8, the upper mold on the lower end surface of the second layer workbench 8 is pressed against the lower mold on the upper end surface of the third layer workbench 9, and the upper mold on the lower end surface of the third layer workbench 9 is pressed against the lower mold on the upper end surface of the workbench 4, to achieve hot pressing molding.

[0022] An electromagnetic adsorption device is provided between the first-layer workbench 7, the second-layer workbench 8, the third-layer workbench 9 and the workbench 4 to overcome the elastic force of the elastic device 6, so that the upper mold arranged on the lower end surface of the movable pressing plate 2 is pressed against the lower mold on the upper end surface of the first-layer workbench 7, the upper mold on the lower end surface of the first-layer workbench 7 is pressed against the lower mold on the upper end surface of the second-layer workbench 8, the upper mold on the lower end surface of the second-layer workbench 8 is pressed against the lower mold on the upper end surface of the third-layer workbench 9, and the upper mold on the lower end surface of the third-layer workbench 9 is pressed against the lower mold on the upper end surface of the workbench 4, so that the thermal pressure between the molds on two adjacent workbench surfaces can reach a certain thermal pressure.

[0023] The electromagnetic adsorption device includes an electromagnet block and a ferromagnetic material block. When the first-layer workbench 7, the second-layer workbench 8, the third-layer workbench 9 and the workbench 4 are pressed tightly, the electromagnet block is started to press the first-layer workbench 7, the second-layer workbench 8, the third-layer workbench 9 and the workbench 4 tightly.

[0024] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the invention involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also should cover other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical scheme.

Claims

1. A multi-layer brake pad hot press, comprising a press body (1), a movable pressing plate (2) arranged at the upper end of the press body (1) is pressed toward a workbench (4) by a hydraulic cylinder (3) fixed to the upper end surface of the press body (1), the movable pressing plate (2) is connected to the workbench (4) through four vertical columns (5), and the movable pressing plate (2) slides relative to the vertical columns (5), characterized in that: A plurality of first-layer workbenches (7), second-layer workbenches (8) and third-layer workbenches (9) are fixedly connected from top to bottom by elastic devices (6) between the movable pressing plate (2) and the workbench (4). The first-layer workbench (7), the second-layer workbench (8) and the third-layer workbench (9) are all slidably sleeved on the vertical column (5). The movable pressing plate (2) is pressed toward the first-layer workbench (7) by the hydraulic cylinder (3). While overcoming the elastic force of the elastic device (6), the movement of the first-layer workbench (7) presses toward the second-layer workbench (8). Similarly, the second-layer workbench (8) presses toward the third-layer workbench (9), and the third-layer workbench (9) presses toward the workbench (4), thereby realizing hot pressing of the workpiece.

2. A multi-layer brake pad hot press according to claim 1, characterized in that: The lower end surface of the third-layer workbench (9) is fixedly connected to the workbench (4) via the elastic device (6).

3. A multi-layer brake pad hot press according to claim 2, characterized in that: The elastic device (6) comprises a multi-section telescopic rod (61) and a compression spring (62), and the compression spring (62) is sleeved on the multi-section telescopic rod (61).

4. The multi-layer brake pad hot press according to claim 1, characterized in that: The first-layer workbench (7), the second-layer workbench (8), the third-layer workbench (9) and the workbench (4) are provided with grooves (10) for placing the elastic device (6).

5. The multi-layer brake pad hot press according to claim 1, characterized in that: An electromagnetic adsorption device is provided between the first-layer workbench (7), the second-layer workbench (8), the third-layer workbench (9) and the workbench (4), and is used to overcome the elastic force of the elastic device (6).

6. A multi-layer brake pad hot press according to claim 5, characterized in that: The electromagnetic adsorption device comprises an electromagnet block and a ferromagnetic material block, wherein the electromagnet block and the ferromagnetic material block are respectively located on the adjacent end surfaces of the first layer workbench (7), the second layer workbench (8), the third layer workbench (9) and the workbench (4).

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