Modularized injection mold for shifting fork

Abstract

The utility model relates to the technical field of injection molds, and discloses a shifting fork modularized injection mold which comprises a fixed mold frame, a frame positioning block is arranged at the top of the fixed mold frame, mold guide sleeves in a rectangular array are arranged in the fixed mold frame, a fixed mold cavity is formed in the top of the fixed mold frame, and a shifting fork is arranged in the fixed mold cavity. A fixed mold cavity is formed in the fixed mold frame, an injection assembly is arranged at the top of the fixed mold cavity, a locking assembly is arranged at the top of the fixed mold cavity and acts on mold closing, a mold core assembly is slidably connected into the locking assembly and acts on extrusion, and a movable mold frame is arranged on the outer side of the fixed mold frame. According to the utility model, through the matching among the fixed mold frame, the fixed mold cavity and the movable mold frame, the integrated injection molding of a plastic product is realized, the integral injection molding is carried out according to the technological characteristics, the number of mold equipment is reduced, the problem that the workload is large when a plurality of injection molding devices are needed for mass production in split injection molding is solved, and the working cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a fork modular injection mold. Background Art

[0002] Plastic products are indispensable in our lives. They are widely used in daily necessities as well as aerospace. They are various items made of plastic materials. Plastic has many advantages, such as light weight, corrosion resistance, good insulation, and easy processing and molding. Therefore, it is widely used in various fields. Usually, molds are used to quickly and accurately manufacture a large number of plastic products of the same specifications.

[0003] In traditional injection molds, when performing inlaid molding injection design, a split design is mostly adopted in most cases. This design method has many advantages. The most significant one is that the design process is simple and easy, the processing operation is relatively simple, and the risk is low. Moreover, the split design can also flexibly adjust the structure and size of the mold to meet the needs of different products. At the same time, it is also convenient for the maintenance and repair of the mold, reducing the maintenance cost.

[0004] However, for traditional injection molds, when large-scale production is required, such as when the production times reach more than 1 million times, the requirements for the number of personnel and equipment are relatively high, resulting in increased costs. Because at such a high production scale, more manpower is needed to operate the equipment, monitor the production process, and perform quality control and other tasks. At the same time, more equipment is also needed to meet the production demand, increasing the equipment investment and maintenance cost. Therefore, a fork modular injection mold is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a fork modular injection mold, aiming to improve the problem of excessive requirements for equipment and personnel during large-scale production in the prior art, resulting in increased costs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fork modular injection mold includes a fixed mold frame. A mold frame positioning block is arranged at the top of the fixed mold frame. A rectangular array of mold guide sleeves is arranged inside the fixed mold frame. A fixed mold cavity is arranged at the top of the fixed mold frame. A shot component is arranged at the top of the fixed mold cavity. A locking component is arranged at the top of the fixed mold cavity. The locking component functions in mold closing. A core component is slidably connected inside the locking component. The core component functions in extrusion. A moving mold frame is arranged outside the fixed mold frame. A rectangular array of guide posts is arranged inside the moving mold frame. The outer wall of the guide post is slidably connected inside the mold guide sleeve. A moving mold cavity is arranged at the top of the moving mold frame. A cavity component is arranged inside the moving mold cavity. A pushing component is arranged at the top of the moving mold frame. The pushing component functions in moving a neutron slider. The outer wall of the neutron slider is arranged on the outer wall of the cavity component. A molding component is arranged inside the neutron slider;

[0008] As a further description of the above technical solution:

[0009] The molding component includes an upper fork plastic molding part, a lower fork plastic molding part, a welded fork, a proximal injection molding column, and a distal injection molding column. The outer wall of the welded fork is arranged inside the neutron slider. The bottom of the upper fork plastic molding part is arranged on the top of the welded fork. The outer wall of the lower fork plastic molding part is arranged on the outer wall of the welded fork. The proximal injection molding column is arranged inside the welded fork. The distal injection molding column is arranged on the outer wall of the welded fork;

[0010] As a further description of the above technical solution:

[0011] The pushing component includes a neutron oil cylinder, a neutron sliding block, an oil cylinder speed regulating valve, and an oil cylinder signal sensor. The neutron oil cylinder is arranged on the outer wall of the moving mold frame. The output end of the neutron oil cylinder is fixedly connected to the outer wall of the neutron sliding block. The outer wall of the neutron sliding block is fixedly connected to the top of the neutron slider. The outer wall of the oil cylinder speed regulating valve is rotatably connected to the outer wall of the neutron oil cylinder. One end of the oil cylinder signal sensor is arranged on the outer wall of the neutron oil cylinder;

[0012] As a further description of the above technical solution:

[0013] The shot component includes a shot hole and a runner. One end of the shot hole is arranged inside the core component. One end of the runner is fixedly connected to the other end of the shot hole;

[0014] As a further description of the above technical solution:

[0015] The fixed mold cavity is threadedly connected to the fixed mold frame through a fixed mold block pressing bolt hole opened inside. The moving mold cavity is threadedly connected to the moving mold frame through a threaded hole opened inside;

[0016] As a further description of the above technical solution:

[0017] The locking component and the core component are threadedly connected through the locking block pressing bolt holes;

[0018] As a further description of the above technical solution:

[0019] The locking component includes a fork upper slider locking block A, an upper slider locking block B, a fork lower slider locking block A, and a fork lower slider locking block B. The core component includes a fork upper slider core A, a fork upper slider core B, a fork lower slider core B, and a fork lower slider core A. The locking component and the core component are threadedly connected through the internally opened locking block pressing bolt holes;

[0020] As a further description of the above technical solution:

[0021] The cavity component includes an upper cavity A, an upper cavity B, a lower cavity A, and a lower cavity B. The upper cavity A and the upper cavity B are threadedly connected to the top of the moving mold cavity through bolts, and the lower cavity A and the lower cavity B are fixed to the outer wall of the middle slider.

[0022] The present utility model has the following beneficial effects:

[0023] 1. In the present utility model, through the cooperation among the fixed mold frame, the fixed mold cavity, the moving mold frame, the injection component, the locking component, the core component, the cavity component, the pushing component, and the forming component, the integrated injection molding of plastic products is realized. According to the process characteristics, the overall injection molding design is carried out, the number of mold equipment is reduced, the problem of large workload in the case of a large number of productions by multiple injection devices for split injection molding is solved, and the working cost is reduced.

[0024] 2. In the present utility model, through the cooperation among the locking block pressing bolt holes, the fixed mold block pressing bolt holes, and the threaded holes, the convenient disassembly of parts is achieved, and thus the convenient replacement of a single damaged part can be carried out, solving the problem of the need for overall replacement when one of the parts is damaged, and improving the convenience. Description of the Drawings

[0025] Figure 1 It is a schematic structural diagram of the fixed mold frame of a fork modular injection mold proposed by the present utility model;

[0026] Figure 2 It is a schematic structural diagram of the moving mold frame of a fork modular injection mold proposed by the present utility model;

[0027] Figure 3 It is a schematic structural diagram of the welded fork of a fork modular injection mold proposed by the present utility model.

[0028] Legend Explanation:

[0029] 1. Die guide sleeve; 2. Fork upper slider core A; 3. Fork upper slider locking block A; 4. Fork upper slider core B; 5. Upper slider locking block B; 6. Fixed mold block compression bolt hole; 7. Mold frame positioning block; 8. Injection hole; 9. Fork lower slider core A; 10. Fork lower slider locking block A; 11. Fork lower slider core B; 12. Fork lower slider locking block B; 13. Fixed mold frame; 14. Fixed mold cavity; 15. Locking block compression bolt hole; 16. Guide pillar; 17. Moving mold frame; 18. Threaded hole; 19. Moving mold cavity; 20. Upper cavity A; 21. Lower cavity A; 22. Upper cavity B; 23. Lower cavity B; 24. Core slider; 25. Core oil cylinder; 26. Core sliding block; 27. Oil cylinder speed control valve; 28. Oil cylinder signal sensor; 29. Runner; 30. Upper fork plastic molding; 31. Lower fork plastic molding; 32. Welded fork; 33. Proximal injection molding column; 34. Distal injection molding column. Specific Embodiment

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Refer to Figure 1 - Figure 3The utility model provides an embodiment: a modular injection mold for a shift fork, including a fixed model frame 13, the fixed model frame 13 is made of high-strength alloy steel, has excellent rigidity and stability, and can withstand high pressure and high temperature during the injection molding process. A frame positioning block 7 is arranged on the top of the fixed model frame 13, and the frame positioning block 7 is made of precision-machined hard alloy material to ensure accurate positioning during the mold closing process. A rectangular array of mold guide sleeves 1 are arranged inside the fixed model frame 13. The mold guide sleeve 1 is made of wear-resistant copper alloy, and the surface is finely ground to ensure that the guide column 16 slides smoothly therein and reduces wear. A fixed model cavity 14 is arranged on the top of the fixed model frame 13, and a shot assembly is arranged on the top of the fixed model cavity 14. A locking assembly is arranged on the top of the fixed model cavity 14, and the locking assembly acts on the mold closing. A core assembly is slidably connected inside, and the core assembly acts on extrusion. A movable model frame 17 is arranged on the outside of the fixed model frame 13, and a rectangular array guide column 16 is arranged inside the movable model frame 17. The guide column 16 is made of high-hardness tool steel, and the outer wall of the guide column 16 is slidably connected inside the mold guide sleeve 1. A movable model cavity 19 is arranged on the top of the movable model frame 17. The material and processing technology of the movable model cavity 19 are similar to those of the fixed model cavity 14, and together constitute the external shape of the product. A cavity assembly is arranged inside the movable model cavity 19, and a pushing assembly is arranged on the top of the movable model frame 17. The pushing assembly acts on moving the neutron slider 24. The outer wall of the neutron slider 24 is arranged on the outer wall of the cavity assembly, and a molding assembly is arranged inside the neutron slider 24, so as to carry out integrated production and reduce the problem of high cost of using a split type in large-scale production.

[0032] Specifically, during processing, when the mold is opened, the equipment will send a signal to the cylinder sensor 28, and then the equipment hydraulics will be started. At this time, the cylinder piston retreats, and the piston rod drives the sliding block 26 to pull down the neutron slider 24. Then the manipulator places the welding fork 32 in the neutron slider 24 of the mold. When the equipment senses the corresponding signal, the cylinder piston pushes up, and the piston rod drives the neutron slider 24 to be pushed onto the mold cavity 19, so that the upper cavity B22 and the lower cavity B23 are tightly pressed together. Then the equipment drives the mold to close the mold. After closing the mold, the core assembly fork upper slider core A2, fork upper slider core B4, fork lower slider core B11, and fork lower slider core B23 are pressed together. The fork lower slider core A9 will be extruded and cooperated with each other through the locking assembly fork upper slider locking block A3, upper slider locking block B5, fork lower slider locking block A10, and fork lower slider locking block B12, and finally the heated and molten plastic will be injected into the core of the mold through the injection port 8 via the runner 29. After cooling, it can be taken out and used. The product is processed in an integrated manner, and a large number of products of the same specifications can be produced quickly and continuously, ensuring the size and shape accuracy of the product, improving product quality, reducing the number of parts and assembly processes, reducing production costs, making the overall structure more solid, and improving product strength and durability.

[0033] Reference Figure 3 As shown in Figure 3 , the molding assembly includes an upper fork plastic molding part 30, a lower fork plastic molding part 31, a welding fork 32, a proximal injection molding column 33, and a distal injection molding column 34. The outer wall of the welding fork 32 is disposed inside the neutron slider 24. The bottom of the upper fork plastic molding part 30 is disposed on the top of the welding fork 32. The outer wall of the lower fork plastic molding part 31 is disposed on the outer wall of the welding fork 32. The inside of the proximal injection molding column 33 is disposed inside the welding fork 32. The inside of the distal injection molding column 34 is disposed on the outer wall of the welding fork 32.

[0034] Specifically, the use of the upper fork plastic molding part 30 and the lower fork plastic molding part 31 can be customized according to the specific shape and requirements of the product to ensure the accuracy and stability of molding. The welding fork 32 plays an important role in connection and fixation, helping to enhance the strength and reliability of the overall structure. The settings of the proximal injection molding column 33 and the distal injection molding column 34 provide support and guidance for the injection molding process, helping to ensure the uniformity and consistency of injection molding. Through the synergistic action of these components, efficient shaping of the product can be achieved to meet different production requirements.

[0035] Reference Figure 1 - Figure 3, the pushing component includes a neutron oil cylinder 25, a neutron sliding block 26, an oil cylinder speed regulating valve 27 and an oil cylinder signal sensor 28. The neutron oil cylinder 25 is arranged on the outer wall of the moving model frame 17. The output end of the neutron oil cylinder 25 is fixedly connected to the outer wall of the neutron sliding block 26. The outer wall of the neutron sliding block 26 is fixedly connected to the top of the neutron slider 24. The outer wall of the oil cylinder speed regulating valve 27 is rotatably connected to the outer wall of the neutron oil cylinder 25. One end of the oil cylinder signal sensor 28 is arranged on the outer wall of the neutron oil cylinder 25. The injection component includes an injection hole 8 and a runner 29. One end of the injection hole 8 is arranged inside the core component. The injection hole 8 is made of wear-resistant cemented carbide material with a smooth inner wall to ensure that the molten plastic material can pass through smoothly. One end of the runner 29 is fixedly connected to the other end of the injection hole 8. The fixed mold cavity 14 and the fixed mold frame 13 are threadedly connected through the fixed mold block pressing bolt holes 6 opened inside. The moving mold cavity 19 and the moving mold frame 17 are threadedly connected through the threaded holes 18 opened inside. The locking component and the core component are threadedly connected through the locking block pressing bolt holes 15. The locking component includes a fork upper slider locking block A3, an upper slider locking block B5, a fork lower slider locking block A10 and a fork lower slider locking block B12. The core component includes a fork upper slider core A2, a fork upper slider core B4, a fork lower slider core B11 and a fork lower slider core A9. The locking component and the core component are threadedly connected through the locking block pressing bolt holes 15 opened inside. The cavity component includes an upper cavity A20, an upper cavity B22, a lower cavity A21 and a lower cavity B23. The upper cavity A20 and the upper cavity B22 are bolted and threadedly connected to the top of the moving mold cavity 19. The lower cavity A21 and the lower cavity B23 are fixed to the outer wall of the neutron slider 24, so as to facilitate the replacement of individual parts. When the device is damaged, there is no need to replace the whole device.

[0036] Specifically, the mold can be assembled. First, the guide sleeve 1 and the guide post 16 are respectively installed on the fixed mold frame 13 and the movable mold frame 17 to play a role in rough positioning and guiding when the mold is closed. Next, the fixed mold cavity 14 and the movable mold cavity 19 are respectively installed and fixed on the fixed and movable mold frames through the fixed mold block pressing bolt holes 6 and the threaded holes 18. Then, the upper slider core A2 of the core component fork, the upper slider core B4 of the fork, the lower slider core B11 of the fork, and the lower slider core A9 of the fork are respectively connected to the upper slider locking block A3 of the locking component fork, the upper slider locking block B5, the lower slider locking block A10 of the fork, and the lower slider locking block B12 of the fork through the T-shaped slide rails, and are fixed to the core component through the locking block pressing bolt holes 15. Finally, the upper cavity A20 and the upper cavity B22 are fixed on the movable mold cavity 19 through bolts, and the lower cavity A21 and the lower cavity B23 are fixed on the intermediate slider 24. Through the above steps, the assembly of the components can be completed. In this way, when a single device is damaged, only the damaged part needs to be replaced, without replacing the whole device, thus greatly reducing the maintenance cost and time. Secondly, this design makes the maintenance of the equipment more convenient. Without professional technicians, ordinary workers can also carry out simple maintenance and replacement. In addition, the disassembly and replacement of a single device are also beneficial to the upgrade and improvement of the equipment. Performance better devices can be replaced at any time according to actual needs to improve the overall performance of the equipment.

[0037] Working principle: When processing is required, first assemble the mold. First, install the guide sleeve 1 and the guide post 16 on the fixed mold frame 13 and the moving mold frame 17 respectively, which play a role in rough positioning and guiding when the moving and fixed molds of the mold are closed. The fixed mold cavity 14 and the moving mold cavity 19 are installed and fixed on the moving and fixed mold frames through the fixed mold block pressing bolt holes 6 and the threaded holes 18 respectively. The slider core A2 on the fork of the core component, the slider core B4 on the fork, the lower slider core B11 on the fork, and the lower slider core A9 on the fork are respectively connected to the slider locking block A3 on the fork of the locking component, the upper slider locking block B5, the lower slider locking block A10 on the fork, and the lower slider locking block B12 on the fork through the T-shaped slide rails, and are fixed to the core component through the locking block pressing bolt holes 15. The upper cavity A20 and the upper cavity B22 are fixed on the moving mold cavity 19 by bolts, and the lower cavity A21 and the lower cavity B23 are fixed on the intermediate slider 24. Thus, the components are assembled. When processing later, when the mold is opened, the device gives a signal to the oil cylinder sensor 28, the device hydraulic system starts, the oil cylinder piston retreats, and the piston rod drives the sliding block 26 to pull down the intermediate slider 24. The manipulator places the welding fork 32 into the intermediate slider 24 of the mold. After the device senses the signal, the oil cylinder piston pushes up, and the piston rod drives the intermediate slider 24 to push onto the mold cavity 19, so that the upper cavity B22 and the lower cavity B23 are tightly fitted. At this time, the device drives the mold to close. After closing, the slider core A2 on the fork of the core component, the slider core B4 on the fork, the lower slider core B11 on the fork, and the lower slider core A9 on the fork are matched through the extrusion of the slider locking block A3 on the fork of the locking component, the upper slider locking block B5, the lower slider locking block A10 on the fork, and the lower slider locking block B12 on the fork. The heated and melted plastic is injected into the core of the mold through the injection port 8 and the runner 29, and forms a shape after cooling. When the mold is opened, the process product required by the customer is formed.

[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fork modular injection mold, including a fixed mold frame (13), characterized in that: A mold frame positioning block (7) is provided at the top of the fixed mold frame (13). A rectangular array of mold guide sleeves (1) is provided inside the fixed mold frame (13). A fixed mold cavity (14) is provided at the top of the fixed mold frame (13). A shotting component is provided at the top of the fixed mold cavity (14). A locking component is provided at the top of the fixed mold cavity (14), and the locking component acts on mold clamping. A core component is slidably connected inside the locking component, and the core component acts on extrusion. A moving mold frame (17) is provided outside the fixed mold frame (13). A rectangular array of guide posts (16) is provided inside the moving mold frame (17). The outer wall of the guide post (16) is slidably connected inside the mold guide sleeve (1). A moving mold cavity (19) is provided at the top of the moving mold frame (17). A cavity component is provided inside the moving mold cavity (19). A pushing component is provided at the top of the moving mold frame (17), and the pushing component acts on moving the neutron slider (24). The outer wall of the neutron slider (24) is provided on the outer wall of the cavity component. A molding component is provided inside the neutron slider (24).

2. The modular injection mold for a shift fork according to claim 1, wherein: The molding component includes an upper fork plastic molding part (30), a lower fork plastic molding part (31), a welding fork (32), a proximal injection molding column (33), and a distal injection molding column (34). The outer wall of the welding fork (32) is provided inside the neutron slider (24). The bottom of the upper fork plastic molding part (30) is provided on the top of the welding fork (32). The outer wall of the lower fork plastic molding part (31) is provided on the outer wall of the welding fork (32). The inside of the proximal injection molding column (33) is provided inside the welding fork (32). The inside of the distal injection molding column (34) is provided on the outer wall of the welding fork (32).

3. The modular injection mold for a fork according to claim 1, characterized in that: The pushing component includes a neutron oil cylinder (25), a neutron slider (26), an oil cylinder speed control valve (27), and an oil cylinder signal sensor (28). The neutron oil cylinder (25) is provided on the outer wall of the moving mold frame (17). The output end of the neutron oil cylinder (25) is fixedly connected to the outer wall of the neutron slider (26). The outer wall of the neutron slider (26) is fixedly connected to the top of the neutron slider (24). The outer wall of the oil cylinder speed control valve (27) is rotatably connected to the outer wall of the neutron oil cylinder (25). One end of the oil cylinder signal sensor (28) is provided on the outer wall of the neutron oil cylinder (25).

4. The modular injection mold for a shift fork according to claim 1, wherein: The shotting component includes a shotting hole (8) and a runner (29). One end of the shotting hole (8) is provided inside the core component. One end of the runner (29) is fixedly connected to the other end of the shotting hole (8).

5. The modular injection mold for a shift fork according to claim 1, wherein: The fixed mold cavity (14) and the fixed mold frame (13) are threadedly connected through a fixed mold block pressing bolt hole (6) opened inside. The moving mold cavity (19) and the moving mold frame (17) are threadedly connected through a threaded hole (18) opened inside.

6. The modular injection mold for a fork according to claim 1, wherein: The locking component and the core component are threadedly connected through a locking block pressing bolt hole (15).

7. A modular injection mold for a shift fork according to claim 6, characterized in that: The locking assembly includes a fork upper slider locking block A (3), an upper slider locking block B (5), a fork lower slider locking block A (10) and a fork lower slider locking block B (12). The core assembly includes a fork upper slider core A (2), a fork upper slider core B (4), a fork lower slider core B (11) and a fork lower slider core A (9). The locking assembly and the core assembly are threadedly connected through locking block pressing bolt holes (15) opened inside.

8. A modular injection mold for a fork, characterized in that: The cavity assembly includes an upper cavity A (20), an upper cavity B (22), a lower cavity A (21) and a lower cavity B (23). The upper cavity A (20) and the upper cavity B (22) are threadedly connected to the top of the moving cavity (19) by bolts. The lower cavity A (21) and the lower cavity B (23) are fixed to the outer wall of the middle slider (24).

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