Temperature control brake pad hot press molding device
By designing preheating and intermediate heating points in the brake pad hot pressing molding device, the problem of temperature gradient between the inside and outside of the brake pad is solved, improving heating and production efficiency.
Patent Information
- Application Number
- CN202520553591.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-27
AI Technical Summary
The existing hot press molds are heated from the outside in, resulting in a temperature gradient between the inside and outside of the brake pads, which increases heating time and reduces production efficiency.
The temperature-controlled brake pad hot pressing molding device includes an upper mold, a middle mold, and a lower mold. A molding cavity is set on the middle mold, and the lower mold is enlarged to form a mold cavity. A heating plate and an electric heating plate are installed. The raw material is preheated through the preheating cavity, and a heating point is added in the middle of the raw material during the molding process. Heat is diffused using the heating plate and the mold core.
This reduces the heating time of raw materials, improves heating and production efficiency, and enables more efficient brake pad molding.
Smart Images

Figure CN223948654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to brake pad production technical field, concretely relates to a temperature control brake pad hot press forming device. BACKGROUND
[0002] Formula brake pad is by raw material through hot press machine pressurization forming, and the existing hot press machine's mould has heating capacity, is used for heating raw material to the required temperature, then is pressed into brake pad. Such as CN113276334A discloses a drum brake pad mould pressing automation system.
[0003] This kind of heating mode from outside to inside by mould, can cause brake pad to exist temperature gradient inside and outside, make inside reach the required temperature longer time, increase heating time, reduce production efficiency. SUMMARY
[0004] The utility model relates to a temperature control brake pad hot press forming device that can preheat the raw material and increase the intermediate heating point during the forming process to solve the problems raised in the background.
[0005] The utility model is through following technical scheme to realize: a temperature control brake pad hot press forming device, including upper die, middle die and lower die, upper die, middle die and lower die distribute in parallel from top to bottom, middle die is placed on the lower die, a plurality of forming cavities for placing friction material are arranged on the middle die, the lower die is enlarged to form a die cavity for placing a steel plate opposite the forming die cavity, a die core matched with the forming cavity is installed opposite the forming cavity of the upper die, a heating plate is installed on the end face of the die core facing the middle die, a fixing plate is installed on both ends of the middle die, an electric heating plate is embeddedly installed on the fixing plate, a frame is placed on one side of the fixing plate, and a preheating cavity is formed between the frame and the fixing plate.
[0006] As a preferred technical scheme, a fixing seat is installed on one side of the middle die, a push plate is arranged between the fixing seat and the lower die, a through hole is arranged on the bottom surface of the die cavity, a jack is installed opposite the through hole of the push plate, one end of the jack is inserted into the through hole, and the end surface of the jack is flush with the bottom surface of the die cavity.
[0007] As a preferred technical scheme, an L-shaped plate is installed on one side of the lower die, a first air cylinder is installed on one side of the fixing seat, the piston rod of the first air cylinder is fixedly connected with the L-shaped plate through the fixing seat, and a second air cylinder is installed between the L-shaped plate and the push plate.
[0008] As a preferred technical scheme, a fixing frame is installed on one side of the middle die, an electric sliding table is installed on the fixing frame, and the moving platform of the electric sliding table is fixedly connected with the frame.
[0009] As a preferred technical scheme, the electric heating plate, the fixing plate and the upper surface of the middle die are flush.
[0010] As a preferred technical scheme, a plurality of electric heating pipes are installed in the upper die, and the electric heating pipes and the electric heating plate are controlled by the temperature controller.
[0011] As a preferred technical scheme, the die core and the heating plate are both made of metal materials.
[0012] The utility model discloses the beneficial effect is: the utility model discloses simple structure, raw materials can pour into preheating cavity, can preheat raw materials through preheating cavity, and the heating time of deceleration later period, and through frame body can make raw materials automatically drop into the forming cavity, in the process of down -pressing forming, the heating plate can be inserted to the middle of raw materials, and raw materials are divided into two, through the heating plate can add a heating point in the middle of raw materials, make heat can expand outward in the middle, increase the heating efficiency and the efficiency of production. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.
[0014] Figure 1 It is the overall structure schematic diagram of the utility model;
[0015] Figure 2 It is the side view of the utility model;
[0016] Figure 3 It is the rear view of the utility model;
[0017] Figure 4 It is the structure schematic diagram of the utility model after removing middle die.
[0018] 1, upper die;2, middle die;3, lower die;4, forming cavity;5, die core;6, heating plate;7, fixed plate;8, electric heating plate;9, push plate;10, top rod;11, fixed seat;12, L-shaped plate;13, electric sliding table;14, second cylinder;15, first cylinder;16, frame body;17, die cavity. DETAILED DESCRIPTION
[0019] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.
[0020] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, can be combined in any combination, except combinations where at least some of such features and / or steps are mutually exclusive.
[0021] Any feature in the present specification, unless explicitly stated to the contrary, is intended to be an example of an equivalent or similar feature. In other words, in the context of this specification, the use of the word "example" to modify a feature, or the use of language such as "for example", "for instance", "e.g." or "for example only" in relation to a feature, means only that the feature is an example of a generic type of that feature. It does not imply that the feature is the only generic type of that feature, or that the feature is the only example of that type.
[0022] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 A temperature control brake pad hot press forming device, comprising an upper die 1, a middle die 2 and a lower die 3, the upper die 1, the middle die 2 and the lower die 3 are distributed in parallel from top to bottom, the middle die 2 is placed on the lower die 3, a plurality of forming cavities 4 for placing friction materials are arranged on the middle die 2, the lower die 3 is enlarged at the forming die cavity 17 to form a die cavity 17 for placing a steel plate, and a die core 5 matched with the forming cavity 4 is arranged at the forming cavity 4 of the upper die 1, a heating plate 6 is arranged on the end face of the die core 5 facing the middle die 2, a fixed plate 7 is arranged at both ends of the middle die 2, an electric heating plate 8 is embeddedly arranged on the fixed plate 7, and a frame body 16 is placed on one side of the fixed plate 7 to form a preheating cavity between the frame body 16 and the fixed plate 7.
[0023] In the embodiment, a fixed seat 11 is arranged on one side of the middle die 2, a push plate 9 is arranged between the fixed seat 11 and the lower die 3, through holes are arranged on the bottom surface of the die cavity 17, a top rod 10 is arranged at the through hole of the push plate 9, and the end of the top rod 10 is inserted into the through hole, and the end surface of the top rod 10 is flush with the bottom surface of the die cavity 17.
[0024] After the forming is completed, the second cylinder can be started, the piston rod of the second cylinder is extended, and the push plate is pushed upward, the movement of the push plate drives the top rod, and the top rod can push the formed brake pad out of the forming cavity through the upward movement, so that the material taking operation is facilitated.
[0025] In the embodiment, an L-shaped plate 12 is arranged on one side of the lower die 3, a first cylinder 15 is arranged on one side of the fixed seat 11, the piston rod of the first cylinder 15 is fixedly connected with the L-shaped plate 12 through the fixed seat 11, and a second cylinder 14 is arranged between the L-shaped plate 12 and the push plate 9.
[0026] In the embodiment, a fixed frame is arranged on one side of the middle die 2, an electric sliding table 13 is arranged on the fixed frame, and a moving platform on the electric sliding table 13 is fixedly connected with the frame body 16.
[0027] In the embodiment, the electric heating plate 8, the fixed plate 7 and the upper surface of the middle die 2 are flush arranged, so that the frame body can pass through the electric heating plate, the fixed plate and the middle die smoothly, and the frame body is prevented from being stuck, wherein the bottom surface of the fixed plate is provided with a vibrator, and the raw material can be vibrated through the vibrator, so that the raw material can be preheated more uniformly.
[0028] In the embodiment, a plurality of electric heating pipes are arranged in the upper die 1, and the electric heating pipes and the electric heating plate 8 are controlled by a temperature controller.
[0029] In the embodiment, the die core 5 and the heating plate 6 are made of metal materials, so that heat can be conducted to the die core and the heating plate more quickly, and the die core and the heating plate can be hot-pressed.
[0030] The working raw material is first started by the first cylinder, so that the piston rod of the first cylinder is extended, the piston rod can push the L-shaped plate, the lower die and the push plate outward, after the lower die is moved out from the bottom of the middle die, the steel plate can be placed in the die cavity, and after the first cylinder is reset, the lower die can be moved below the middle die again, and the steel plate is arranged opposite to the forming cavity;
[0031] The friction material is then poured into the preheating cavity, after the electric heating plate is started, heat generated by the electric heating plate can act on the friction material, so that the friction material can be preheated, then the electric sliding table is started, the frame body and the internal friction material can be driven by the electric sliding table, after the frame body is moved to the surface of the middle die, the friction material can be automatically dropped into the forming cavity, and after the frame body is moved away, the excess friction material can be scraped by the frame body;
[0032] In the above operation, the electric heating pipe is started, heat generated by the electric heating pipe can act on the die core and the heating plate, the upper die is arranged on the cylinder of the existing forming equipment, the upper die can be driven by the existing cylinder, so that the die core on the upper die is inserted into the forming cavity, the raw material is hot-pressed, the heating plate can be inserted into the middle of the raw material, and the raw material is divided into two parts, a heating point can be added in the middle of the raw material by the heating plate, so that heat can be expanded outward in the middle, and the heating efficiency and the production efficiency are increased.
[0033] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any change or replacement without creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.
Claims
1. A temperature-controlled brake pad hot pressing molding device, characterized in that: The system includes an upper mold (1), a middle mold (2), and a lower mold (3). The upper mold (1), middle mold (2), and lower mold (3) are arranged in parallel from top to bottom. The middle mold (2) is placed on the lower mold (3). The middle mold (2) is provided with multiple forming cavities (4) for placing friction materials. The lower mold (3) is enlarged at the forming cavity (17) to form a cavity (17) for placing steel plates. The upper mold (1) is installed with a mold core (5) that matches the forming cavity (4) at the position of the forming cavity (4). A heating plate (6) is installed on the end face of the mold core (5) facing the middle mold (2). Fixing plates (7) are installed at both ends of the middle mold (2). Electric heating plates (8) are embedded in the fixing plates (7). A frame (16) is placed on one side of the fixing plate (7). A preheating cavity is formed between the frame (16) and the fixing plate (7).
2. The temperature-controlled brake pad hot press forming device of claim 1, wherein: A fixed seat (11) is installed on one side of the middle mold (2). A push plate (9) is provided between the fixed seat (11) and the lower mold (3). A through hole is provided on the bottom surface of the mold cavity (17). A push rod (10) is installed on the push plate (9) opposite the through hole. One end of the push rod (10) is inserted into the through hole, and the end face of the push rod (10) is flush with the bottom surface of the mold cavity (17).
3. The temperature-controlled brake pad hot press forming device of claim 2, wherein: An L-shaped plate (12) is installed on one side of the lower mold (3), and a first cylinder (15) is installed on one side of the fixed seat (11). The piston rod of the first cylinder (15) passes through the fixed seat (11) and is fixedly connected to the L-shaped plate (12). A second cylinder (14) is installed between the L-shaped plate (12) and the push plate (9).
4. The temperature-controlled brake pad hot press forming device of claim 1, wherein: A fixed frame is installed on one side of the middle mold (2), and an electric slide (13) is installed on the fixed frame. The moving platform on the electric slide (13) is fixedly connected to the frame (16).
5. The temperature-controlled brake pad hot press forming device of claim 1, wherein: The upper surfaces of the electric heating plate (8), the fixing plate (7), and the middle mold (2) are flush.
6. The temperature-controlled brake pad hot press forming device of claim 1, wherein: Multiple electric heating tubes are installed in the upper mold (1), and both the electric heating tubes and the electric heating plate (8) are controlled by a temperature controller.
7. The temperature-controlled brake pad hot press forming device of claim 1, wherein: Both the mold core (5) and the heating plate (6) are made of metal.
Citation Information
Patent Citations
Automatic mold pressing system for drum brake pad
CN113276334A