Brake handle blank die-casting forming device

Abstract

The utility model relates to the technical field of die casting production, in particular to a brake handle blank die-casting forming device which can be used for forming a plurality of die castings at one time, accelerating the forming speed of the die castings, improving the overall efficiency of the device and greatly improving the production efficiency. Comprising a workbench, a fixed base, lower dies, a feeding plate and an upper die, supporting columns are fixedly installed at the four corners of the bottom of the workbench correspondingly, the fixed base is fixedly installed at the top of the workbench, a plurality of installation grooves are formed in the top of the fixed base, and the multiple lower dies are placed in the installation grooves correspondingly; the feeding plate is installed above the workbench through a die assembly assembly, a plurality of upper dies matched with the lower dies are installed at the bottom of the feeding plate, a plurality of exhaust pipes communicated with the upper dies are installed on the feeding plate, a feeding assembly is installed on the upper portion of the feeding plate, and a cooling assembly is installed at the bottom of the workbench.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting production of castings, in particular to a die-casting forming device for a brake handle blank. Background Art

[0002] A die-casting is a pressure-cast part. A die-casting machine, which is a pressure-casting machine equipped with a casting mold, is used to pour molten metals such as copper, zinc, aluminum, or aluminum alloy heated to a liquid state into the feeding port of the die-casting machine. Die-casting is particularly suitable for manufacturing a large number of small and medium-sized castings. Therefore, die-casting is one of the most widely used casting processes. Compared with other casting technologies, die-castings have a smoother surface and higher dimensional consistency. A forming device for die-casting production disclosed in the prior art with the publication number CN209255803U includes a base. The outer wall of the top of the base is bolted with a cooling housing, and the inner wall of the circumference of the cooling housing is bolted with a lower mold. The outer walls of both sides of the bottom of the lower mold are bolted with limit blocks, and the bottom outer walls of the limit blocks are bolted to the inner wall of the bottom of the cooling housing. Installation grooves are provided on the inner walls of the four sides of the lower mold, and heating tubes are screwed to the inner walls of the installation grooves. Limit grooves are provided on the outer walls of both sides of the top of the lower mold, and sliding grooves are provided on the inner walls of both sides of the limit grooves. The inner walls of the sliding grooves are slidably connected with the same horizontally placed limit plate. However, only one product can be formed at a time, resulting in low production efficiency. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a die-casting forming device for a brake handle blank that can form multiple die-castings at one time, accelerate the forming speed of die-castings, improve the overall efficiency of the device, and greatly improve the production efficiency.

[0004] A die-casting forming device for a brake handle blank of the utility model includes a workbench, a fixed base, a lower mold, a feeding plate, and an upper mold. Support columns are respectively fixedly installed at the four corners of the bottom of the workbench. A fixed base is fixedly installed on the top of the workbench. A plurality of installation grooves are provided on the top of the fixed base, and a plurality of lower molds are respectively placed in the installation grooves. The feeding plate is installed above the workbench through a die-closing assembly. A plurality of upper molds matching the lower molds are installed at the bottom of the feeding plate. A plurality of exhaust pipes communicating with the upper molds are installed on the feeding plate. A feeding assembly is installed on the upper part of the feeding plate. A cooling assembly is installed at the bottom of the workbench. The die-closing assembly drives the feeding plate to move downward, so that the upper mold moves to cover the top of the lower mold. The upper mold and the lower mold are filled with materials through the feeding assembly to pressurize and form the materials. Multiple die-castings can be formed at one time, greatly improving the production efficiency. The cooling assembly can inject a coolant into the lower mold for rapid cooling, accelerate the forming speed of die-castings, improve the overall efficiency of the device, and shorten the working cycle.

[0005] Preferably, the mold clamping assembly includes two columns, two threaded rods, two speed changers, two drive motors, two moving blocks and a mold clamping cross plate. The two columns are fixedly installed at the left and right ends of the workbench. A lifting cavity is formed inside the column. The threaded rod is rotatably installed in the lifting cavity. An installation cavity is formed at the bottom of the column. The bottom of the threaded rod extends into the installation cavity and is connected to the output end of the speed changer. The input end of the speed changer is connected to the output end of the drive motor. A sliding groove is formed on the inner wall of the column. The moving block is screwed on the outer wall of the threaded rod. The moving block is slidably installed in the lifting cavity. The opposite ends of the left and right moving blocks are slidably installed in the sliding groove. A mold clamping cross plate is fixedly connected between the two moving blocks. By starting the drive motor, the threaded rod is driven to rotate through the speed changer. The threaded rod drives the moving block to move in the lifting cavity. The moving block drives the mold clamping cross plate to move, driving the feeding plate to move downward, so that the upper mold and the lower mold are clamped together, and the material is pressed into shape. Multiple die castings can be formed at one time, improving production efficiency.

[0006] Preferably, the feeding assembly includes a plurality of feeding pipes and a feeding hopper. The plurality of feeding pipes are respectively fixedly installed on the mold clamping cross plate. A plurality of feeding cavities are formed inside the feeding plate. A plurality of feeding holes communicating with the upper mold are formed at the bottom of the feeding cavity. The output end of the feeding pipe is communicated with the feeding cavity. The feeding hopper is fixedly installed on the top of the mold clamping cross plate. The input end of the feeding pipe is communicated with the inside of the feeding hopper. The molten metal liquid is poured into the feeding hopper and is input into the feeding cavity through the feeding pipe. It is input into the upper mold and the lower mold through a plurality of feeding holes and always remains in a high-pressure state until the die-cast product cools and solidifies. Multiple die castings can be formed at one time, and the production efficiency is greatly improved.

[0007] Preferably, a heating rod is installed in the feeding cavity of the feeding plate. The heating rod is connected to a heater. The heater is fixedly installed at the front end of the feeding plate. By starting the heater, the heating rod is controlled to heat up the heating cavity, preventing the molten metal liquid from solidifying in the heating cavity and causing blockage.

[0008] Preferably, the cooling component includes a water tank, a water pump, a water delivery pipe, a water distribution pipe, a plurality of connecting pipes, a water collecting pipe, and heat dissipation fins. The water tank is fixedly installed at the bottom of the workbench. A water filling pipe is provided at the upper end of the water tank. The water pump is fixedly installed at the front end of the bottom of the workbench. The input pipe of the water pump is connected to the inner bottom end of the water tank. The output end of the water pump is connected to a water delivery pipe. The output end of the water delivery pipe is connected to a water distribution pipe. A cooling cavity is formed in the lower mold. Connecting pipes communicating with the cooling cavity are connected to the front and rear ends of the lower mold. The output end of the water distribution pipe is connected to the front connecting pipe through a connecting member. The rear connecting pipe is connected to the input end of the water collecting pipe through a connecting member. The output end of the water collecting pipe is communicated with the inside of the water tank. A plurality of heat dissipation fins are uniformly installed on the outer wall of the water tank. After casting is completed, the water pump is started to extract the coolant, which is input into the water distribution pipe through the water delivery pipe, then into the cooling cavity, and then re-input into the water tank through the water collecting pipe, taking away the heat of the die-cast product itself, so as to cool and form. The heat dissipation fins can quickly cool the coolant in the water tank, facilitating the use by the staff.

[0009] Preferably, fixing plates are installed on the side walls at the left and right ends of the feeding plate. Positioning columns are fixedly installed at the bottoms of the fixing plates. Positioning holes are provided at the positions corresponding to the positioning columns on the top of the fixed base. When the feeding plate moves downward to close the upper mold and the lower mold, the positioning columns are driven by the fixing plates to move downward and insert into the positioning holes, so that the upper mold can be stably fixed on the lower mold and will not shift during the die-casting process, improving the forming quality of the die-cast parts.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: The feeding plate is driven to move downward by the mold closing component, so that the upper mold moves and covers the top of the lower mold. The upper mold and the lower mold are filled with materials through the feeding component to press and form the materials. Multiple die-cast parts can be formed at one time, greatly improving the production efficiency. The cooling component can inject the coolant into the lower mold for rapid cooling, accelerating the forming speed of the die-cast parts, improving the overall efficiency of the device, and shortening the working cycle. Brief Description of the Drawings

[0011] Figure 1 is the structural schematic diagram of the present utility model;

[0012] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0013] Figure 3 is the front view sectional structural schematic diagram of the present utility model;

[0014] Figure 4 is the internal structural schematic diagram of the lower mold of the present utility model;

[0015] Figure 5 is the lower part three-dimensional structural schematic diagram of the feeding plate of the present utility model;

[0016] Reference numerals in the drawings: 1, workbench; 2, fixed base; 3, lower mold; 4, feeding plate; 5, upper mold; 6, exhaust pipe; 7, support column; 8, column; 9, threaded rod; 10, transmission; 11, drive motor; 12, moving block; 13, mold clamping cross plate; 14, material conveying pipe; 15, feeding hopper; 16, heating rod; 17, heater; 18, fixing plate; 19, positioning column; 20, water tank; 21, water pump; 22, water conveying pipe; 23, water distribution pipe; 24, connecting pipe; 25, cooling cavity; 26, water collecting pipe; 27, heat dissipation fin. Detailed implementation mode

[0017] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0018] Embodiment 1

[0019] As Figure 1 , Figure 3 , Figure 4 and Figure 5 shown, support columns 7 are respectively fixedly installed at the four corners of the bottom of the workbench 1, a fixed base 2 is fixedly installed at the top of the workbench 1, a plurality of installation grooves are opened at the top of the fixed base 2, and a plurality of lower molds 3 are respectively placed in the installation grooves. Two columns 8 are fixedly installed at the left and right ends of the workbench 1. A lifting cavity is opened inside the column 8. A threaded rod 9 is rotatably installed in the lifting cavity. An installation cavity is opened at the bottom of the column 8. The bottom of the threaded rod 9 extends into the installation cavity and is connected to the output end of the transmission 10. The input end of the transmission 10 is connected to the output end of the drive motor 11. A sliding groove is opened on the inner wall of the column 8. The moving block 12 is screwed on the outer wall of the threaded rod 9. The moving block 12 is slidably installed in the lifting cavity. The opposite ends of the moving blocks 12 at the left and right ends are slidably installed in the sliding groove. A mold clamping cross plate 13 is fixedly connected between the two moving blocks 12. A plurality of material conveying pipes 14 are respectively fixedly installed on the mold clamping cross plate 13. A plurality of feeding cavities are opened inside the feeding plate 4. A plurality of feeding holes communicating with the upper mold 5 are opened at the bottom of the feeding cavity. The output end of the material conveying pipe 14 is communicated with the feeding cavity. A feeding hopper 15 is fixedly installed at the top of the mold clamping cross plate 13. The input end of the material conveying pipe 14 is communicated with the inside of the feeding hopper 15. A plurality of upper molds 5 matching the lower molds 3 are installed at the bottom of the feeding plate 4. A plurality of exhaust pipes 6 communicating with the upper mold 5 are installed on the feeding plate 4. Fixing plates 18 are installed on the side walls at the left and right ends of the feeding plate 4. Positioning columns 19 are fixedly installed at the bottom of the fixing plates 18. Positioning holes are opened at the positions corresponding to the positioning columns 19 at the top of the fixed base 2;

[0020] The starting drive motor 11 drives the threaded rod 9 to rotate through the transmission 10. The threaded rod 9 drives the moving block 12 to move in the lifting cavity. The moving block 12 drives the mold clamping cross plate 13 to move, driving the feeding plate 4 to move downward, so that the upper mold 5 and the lower mold 3 are clamped, and the material is pressurized and formed. Multiple die castings can be formed at one time, improving production efficiency. The molten metal liquid is poured into the feeding hopper 15 and input into the feeding cavity through the feeding pipe 14, and then input into the upper mold 5 and the lower mold 3 through multiple feeding holes, and always remains in a high-pressure state until the die-cast product cools and solidifies. Multiple die castings can be formed at one time, and the production efficiency is greatly improved. When the feeding plate 4 moves downward to clamp the upper mold 5 and the lower mold 3, the positioning column 19 is driven to move downward and inserted into the positioning hole through the fixing plate 18, so that the upper mold 5 can be stably fixed on the lower mold 3 and will not shift during the die-casting process, improving the forming quality of the die-cast product.

[0021] Embodiment 2

[0022] As Figures 2 to 4 shown, on the basis of Embodiment 1, a heating rod 16 is installed in the feeding cavity of the feeding plate 4. The heating rod 16 is connected to the heater 17. The heater 17 is fixedly installed at the front end of the feeding plate 4. The water tank 20 is fixedly installed at the bottom of the workbench 1. A water supply pipe is arranged at the upper end of the water tank 20. The water pump 21 is fixedly installed at the front end of the bottom of the workbench 1. The input pipe of the water pump 21 is connected to the inner bottom end of the water tank 20. The output end of the water pump 21 is connected to a water delivery pipe 22. The output end of the water delivery pipe 22 is connected to a water distribution pipe 23. A cooling cavity 25 is opened in the lower mold 3. Connecting pipes 24 communicating with the cooling cavity 25 are connected to the front and rear ends of the lower mold 3. The output end of the water distribution pipe 23 is connected to the front connecting pipe 24 through a connecting member. The rear connecting pipe 24 is connected to the input end of a water collecting pipe 26 through a connecting member. The output end of the water collecting pipe 26 is communicated with the inside of the water tank 20. A plurality of heat dissipation fins 27 are uniformly installed on the outer wall of the water tank 20;

[0023] Start the heater 17 to control the heating rod 16 to heat up the heating cavity, avoiding the solidification of the molten metal liquid in the heating cavity and causing blockage. After casting is completed, start the water pump 21 to extract the coolant, input it into the water distribution pipe 23 through the water delivery pipe 22, and then input it into the cooling cavity 25, and re-input it into the water tank 20 through the water collecting pipe 26, taking away the heat of the die-cast product itself, so as to cool and form. The heat dissipation fins 27 can quickly cool the coolant in the water tank 20, which is convenient for the staff to use.

[0024] As Figures 1 to 5As shown in the figure, a die-casting forming device for a brake handle blank of the present utility model, when working, starts the driving motor 11 to drive the threaded rod 9 to rotate through the transmission 10. The threaded rod 9 drives the moving block 12 to move in the lifting cavity. The moving block 12 drives the mold closing cross plate 13 to move, driving the feeding plate 4 to move downward, so that the upper mold 5 and the lower mold 3 are closed. The positioning column 19 is driven by the fixing plate 18 to move downward and insert into the positioning hole, so that the upper mold 5 can be stably fixed on the lower mold 3. The molten metal liquid is poured into the feeding hopper 15 and input into the feeding cavity through the feeding pipe 14, and then input into the upper mold 5 and the lower mold 3 through multiple feeding holes, and always maintains a high-pressure state until the die-cast product cools and solidifies. Multiple die-cast parts can be formed at one time. Start the water pump 21 to extract the coolant, input it into the water distribution pipe 23 through the water delivery pipe 22, and then input it into the cooling cavity 25, and then re-input it into the water tank 20 through the water collecting pipe 26, taking away the heat of the die-cast product itself, so as to cool and form. The heat dissipation fin 27 can quickly cool the coolant in the water tank 20. Start the heater 17 to control the heating rod 16 to heat up the heating cavity to prevent the molten metal liquid from solidifying in the heating cavity.

[0025] Coatings are provided on the inner walls of the feeding pipe 14, the feeding hopper 15 and the heating cavity to prevent the molten metal liquid from adhering. The transmission 10, the driving motor 11, the heater 17 and the water pump 21 of the die-casting forming device for a brake handle blank of the present utility model are purchased on the market. Technical personnel in this industry only need to install and operate according to the attached operation manuals, without the need for technical personnel in this field to perform creative labor.

[0026] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A die-casting forming device for a brake handle blank, characterized in that, It includes a workbench (1), a fixed base (2), a lower mold (3), a feeding plate (4) and an upper mold (5). Support columns (7) are fixedly installed at the four corners of the bottom of the workbench (1). The fixed base (2) is fixedly installed on the top of the workbench (1). A plurality of installation grooves are formed on the top of the fixed base (2). A plurality of lower molds (3) are respectively placed in the installation grooves. The feeding plate (4) is installed above the workbench (1) through a mold clamping assembly. A plurality of upper molds (5) matching the lower molds (3) are installed at the bottom of the feeding plate (4). A plurality of exhaust pipes (6) communicating with the upper molds (5) are installed on the feeding plate (4). A feeding assembly is installed on the upper part of the feeding plate (4), and a cooling assembly is installed at the bottom of the workbench (1).

2. The die-casting forming device for the blank of a brake handle according to claim 1, wherein, The mold clamping assembly includes two columns (8), two threaded rods (9), two speed changers (10), two driving motors (11), two moving blocks (12) and a mold clamping cross plate (13). The two columns (8) are fixedly installed at the left and right ends of the workbench (1). A lifting cavity is formed inside the column (8). The threaded rod (9) is rotatably installed in the lifting cavity. An installation cavity is formed at the bottom of the column (8). The bottom of the threaded rod (9) extends into the installation cavity and is connected to the output end of the speed changer (10). The input end of the speed changer (10) is connected to the output end of the driving motor (11). A sliding groove is formed on the inner wall of the column (8). The moving block (12) is screwed on the outer wall of the threaded rod (9). The moving block (12) is slidably installed in the lifting cavity. The opposite ends of the moving blocks (12) at the left and right ends are slidably installed in the sliding groove. A mold clamping cross plate (13) is fixedly connected between the two moving blocks (12).

3. The die-casting forming device for a brake handle blank according to claim 2, characterized in that, The feeding assembly includes a plurality of feeding pipes (14) and a feeding hopper (15). The plurality of feeding pipes (14) are respectively fixedly installed on the mold clamping cross plate (13). A plurality of feeding cavities are formed inside the feeding plate (4). Feed holes communicating with the upper molds (5) are formed at the bottom of the feeding cavities. The output end of the feeding pipe (14) is communicated with the feeding cavity. The feeding hopper (15) is fixedly installed on the top of the mold clamping cross plate (13). The input end of the feeding pipe (14) is communicated with the inside of the feeding hopper (15).

4. The die-casting forming device for a brake handle blank according to claim 3, wherein, A heating rod (16) is installed in the feeding cavity of the feeding plate (4). The heating rod (16) is connected to a heater (17). The heater (17) is fixedly installed at the front end of the feeding plate (4).

5. A die-casting forming device for a brake handle blank, characterized in that, The cooling assembly includes a water tank (20), a water pump (21), a water delivery pipe (22), a water distribution pipe (23), a plurality of connecting pipes (24), a water collecting pipe (26) and heat dissipation fins (27). The water tank (20) is fixedly installed at the bottom of the workbench (1). A water filling pipe is arranged at the upper end of the water tank (20). The water pump (21) is fixedly installed at the front end of the bottom of the workbench (1). The input pipe of the water pump (21) is connected to the inner bottom end of the water tank (20). The output end of the water pump (21) is connected with a water delivery pipe (22). The output end of the water delivery pipe (22) is connected with a water distribution pipe (23). A cooling cavity (25) is formed in the lower mold (3). Connecting pipes (24) communicating with the cooling cavity (25) are connected to the front and rear ends of the lower mold (3). The output end of the water distribution pipe (23) is connected to the front-end connecting pipe (24) through a connecting member. The rear-end connecting pipe (24) is connected to the input end of the water collecting pipe (26) through a connecting member. The output end of the water collecting pipe (26) communicates with the inside of the water tank (20). A plurality of heat dissipation fins (27) are uniformly installed on the outer wall of the water tank (20).

6. The die-casting forming device for a brake handle blank according to claim 1, characterized in that, Fixed plates (18) are installed on the side walls at the left and right ends of the feeding plate (4). A positioning column (19) is fixedly installed at the bottom of the fixed plate (18). Positioning holes are formed at positions corresponding to the positioning columns (19) at the top of the fixed base (2).

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