Die additionally provided with sheath base plate structure capable of being bounced off

Abstract

The utility model relates to the technical field of molds, and discloses a mold added with a sheath base plate structure capable of being bounced off, which comprises a fixed mold and a movable mold, the fixed mold comprises a fixed mold plate and a fixed mold bottom plate, and the movable mold comprises a movable mold plate, a movable mold base plate, mold feet and a mold bottom plate; a runner and a front mold insert core are arranged on a fixed mold core of the fixed mold plate; a sliding block and a material handle are arranged on a movable mold core of the movable mold plate; an ejector sleeve and a movable mold insert core are arranged on the movable mold core, a sprue on the material handle extends into a product forming cavity, an external member which extends into the fixed mold core and is positioned on the outer side of the ejector sleeve is arranged on the movable mold base plate, the top end of the external member has a matching inclination, and immediate separation and mold assembly between the movable mold base plate and the movable mold plate are realized through a spring. By additionally arranging the sleeve piece with the matched inclination and the movable mold base plate structure capable of being bounced off, the contradiction of a traditional mold structure in the aspects of meeting product drawing requirements and preventing sliding blocks from being ground and damaged is effectively solved, and the applicability and the production efficiency of the mold are improved.

Description

Technical Field

[0001] This utility model belongs to the field of mold technology, specifically relating to a mold with an added spring-opening protective pad structure. Background Technology

[0002] In mold design and manufacturing, traditional Halford slider structures typically require a sloped mating surface at the bottom of the slider's movement direction to prevent slider scratches and mold damage. However, for some products, drawings have strict requirements for specific areas, prohibiting the presence of parting lines (PL lines, the dividing line between the moving and stationary molds) within a certain range. While customers may accept some compromises during the trial mold stage, strict adherence to 2D drawing requirements is essential for mass production molds. This renders traditional slider structures unsuitable for mass production needs. Utility Model Content

[0003] The purpose of this invention is to provide a mold with an added spring-opening sheath pad structure, which allows the PL line to change while enabling the Haf slider to move in a direction without the need for an angle adjustment, thus solving the problems of existing mold structures in meeting product drawing requirements and preventing slider scratches.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A mold for adding a spring-loaded sheath pad structure includes a fixed mold and a movable mold. The fixed mold includes a fixed template and a fixed mold base plate disposed on top of the fixed template. The movable mold includes a movable template, a movable mold pad disposed at the bottom of the movable template, a mold foot disposed at the bottom of the movable mold pad, and a mold base plate disposed at the bottom of the mold foot.

[0006] The fixed mold core inside the fixed template is provided with a flow channel and four front mold inserts are embedded in the fixed mold core and arranged at equal intervals.

[0007] The moving mold core inside the moving mold plate is equipped with a slider that fits into the front mold insert and forms the product forming cavity. The slider is equipped with a material handle that matches the flow channel.

[0008] The inner side of the moving mold core is provided with a sleeve and a moving mold insert located inside the sleeve. The sprue on the material handle extends into the product molding cavity. The moving mold pad is provided with a kit that extends into the fixed mold core and is located outside the sleeve. The top of the kit has a fitting slope. The moving mold pad and the moving mold plate are separated and closed instantly by a spring.

[0009] Preferably, the fixed template has four fixed blocks A arranged symmetrically in front and behind, and inclined guide posts installed on the fixed blocks A, located on the inner side of the fixed template and on the outer side of the fixed mold core. The fixed template also has four wedge blocks arranged symmetrically in front and behind, located on the outer side of the four fixed blocks A respectively.

[0010] The slider is inserted into the cavity formed by the fixed template, wedge block and fixed mold core. The slider is provided with an inclined guide groove that cooperates with the inclined guide post for insertion. The slider is fixed to the inside of the moving template and the moving mold core by pressure strip. The slider is provided with a cooling water pipe that extends out of the moving template.

[0011] Preferably, the fixed template has four precision positioning grooves symmetrically arranged on the left and right sides, the four precision positioning blocks on the moving template cooperate with the precision positioning grooves for guidance and insertion, the four corners of the fixed template have four guide sleeves embedded in it, and the four guide posts on the moving template cooperate with the four guide sleeves for guidance and insertion.

[0012] Preferably, the fixed template is provided with two locking modules that are rotatably connected to it at both ends of its diagonal, and the two locking modules are locked together with the locking rod on the moving template.

[0013] Preferably, the fixed template has a cooling water connector A and a lifting eye hole A on one side, a cooling water connector B on the rear side of the fixed template, a cooling water connector C symmetrically arranged above and below the cooling water connector A on one side of the moving template, a frame-type lifting eye on one side of the mold foot, and a lifting eye hole B on one side of the mold foot.

[0014] Preferably, the moving template is equipped with a wear-resistant plate and a slider lock that cooperate with the slider for positioning.

[0015] Preferably, a counter is embedded in the moving mold plate.

[0016] Compared with the prior art, the technical effects and advantages of this utility model are:

[0017] 1. This mold with an added spring-loaded protective pad structure: By adding a kit with a mating angle and a spring-loaded moving mold pad structure, the contradiction between traditional mold structures in meeting product drawing requirements (no PL lines in specific areas) and preventing slider scratches is resolved. This allows the mold to adapt to the production of products with strict drawing requirements for specific areas, expanding the mold's applicability. It avoids the complex design and adjustments that may arise from traditional slider structures in meeting drawing requirements, making the production process smoother and improving production efficiency.

[0018] 2. The inclined guide pillars and slider inclined guide grooves work together to ensure smooth demolding and that the product can be completely ejected from the mold. The wedge blocks increase the clamping force, prevent overflow, and ensure product molding accuracy and quality, improving the product's appearance quality and dimensional accuracy. The precision positioning system, in conjunction with the guide bushings and guide pillars, accurately guides the relative positions of the moving mold and the fixed mold, ensuring accurate and repeatable mold closing and reducing product defects caused by positioning deviations. The locking module and locking rod work together to provide additional clamping force, enhancing mold sealing and rigidity, preventing overflow, flash, and other problems, and ensuring accurate molding of the product under high-pressure injection.

[0019] 3. Cooling water pipes cool the slider, controlling its temperature to ensure dimensional stability and prevent product molding defects caused by temperature changes, thus guaranteeing consistent product quality. Wear-resistant plates on the slider reduce friction and wear between the slider and the moving mold plate, extending the mold's service life.

[0020] 4. The lifting rings and lifting ring holes facilitate the hoisting, handling, installation, debugging, maintenance, and replacement of the mold, ensuring safe and efficient operation. The counter records information such as the number of times the mold opens and closes and the number of products produced, which helps to monitor the mold's usage, perform preventative maintenance, rationally plan production schedules, improve production management efficiency, and assess the mold's service life and performance status. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the mold structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the moving mold of this utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the moving mold after the upper slider has been removed.

[0025] Figure 5 This is a schematic diagram of the upper slider, moving template, and moving mold core of the present invention after disassembly.

[0026] In the diagram: 1. Fixed mold base plate; 2. Fixed mold plate; 3. Moving mold plate; 4. Moving mold pad; 5. Mold foot; 6. Mold base plate; 7. Fixed mold core; 8. Runner; 9. Front mold insert; 10. Fixed block A; 11. Angled guide post; 12. Wedge block; 13. Precision positioning groove; 14. Guide sleeve; 15. Locking module; 16. Cooling water connector A; 17. Lifting eye hole A; 18. Cooling water connector B; 19. Moving mold core; 2 0. Slider; 21. Material handle; 22. Sleeve; 23. Moving mold insert; 24. Gate; 25. Kit; 26. Draft angle; 27. Spring; 28. Angled guide groove; 29. ​​Cooling water pipe; 30. Precision positioning block; 31. Guide post; 32. Locking rod; 33. Cooling water connector C; 34. Frame-type lifting ring; 35. Lifting ring hole B; 36. Slider wear plate; 37. Slider lock; 38. Counter; 39. Pressure strip. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] The following combination Figures 1 to 5 This application will be described in further detail.

[0029] This application discloses a mold for adding a retractable sheath pad structure, including a fixed mold and a movable mold. The fixed mold includes a fixed template 2 and a fixed mold base plate 1 disposed on the top of the fixed template 2. The movable mold includes a movable template 3, a movable mold pad 4 disposed on the bottom of the movable template 3, a mold foot 5 disposed on the bottom of the movable mold pad 4, and a mold base plate 6 disposed on the bottom of the mold foot 5.

[0030] The fixed mold core 7 inside the fixed mold plate 2 is provided with a flow channel 8 and four front mold inserts 9 are embedded and installed at equal intervals on the fixed mold core 7; the fixed mold plate 2 is provided with four fixed blocks A10 symmetrically arranged front and back and inclined guide posts 11 installed on the fixed blocks A10, and the fixed mold plate 2 is also provided with four wedge blocks 12 respectively located on the outside of the four fixed blocks A10 and symmetrically arranged front and back;

[0031] The moving mold core 19 inside the moving mold plate 3 is provided with a slider 20 that is inserted into the front mold insert 9 and forms the product forming cavity. The slider 20 is provided with a material handle 21 that matches the runner 8. The slider 20 is inserted into the cavity formed by the fixed mold plate 2, the wedge block 12 and the fixed mold core 7. The slider 20 is provided with an inclined guide groove 28 that is guided into the inclined guide post 11. The slider 20 is fixed to the inside of the moving mold plate 3 and the moving mold core 19 by a pressure strip 39. The slider 20 is provided with a cooling water pipe 29 that extends out of the moving mold plate 3. The moving mold plate 3 is provided with a slider wear plate 36 and a slider lock 37 that are used to limit and position the slider 20.

[0032] The base plate 1 is located on top of the template 2, providing support and installation foundation for the entire mold, ensuring a stable connection of all parts of the mold, and guaranteeing the stability of the overall mold structure.

[0033] The fixed mold core 7 is equipped with a runner 8, which guides the molten material into the mold cavity, enabling the product to be formed smoothly. The design of the runner 8 directly affects the material filling effect and molding quality, such as flow rate and pressure distribution.

[0034] Four front mold inserts 9 are embedded and installed at equal intervals. The front mold inserts 9 are used to mold part of the product structure. Their precise arrangement and installation help to ensure the dimensional accuracy and appearance quality of the corresponding parts of the product, and ensure the consistency of the structure of each part of the product.

[0035] Four fixed blocks A10 are symmetrically arranged at the front and back and equipped with inclined guide pillars 11. During the mold opening and closing process, the inclined guide pillars 11 cooperate with the inclined guide grooves 28 on the slider 20 to transmit the mold opening motion of the fixed mold to the slider 20, so that the slider 20 can slide in the moving mold according to the predetermined trajectory, realize the demolding action of the product, and ensure the smooth demolding process.

[0036] The wedge blocks 12 are located on the outside of the fixed block A10 and four are arranged symmetrically in front and behind. When the mold is closed, the wedge blocks 12 can fit tightly against the slider 20, increase the mold clamping force, prevent the mold from overflowing during high pressure injection, ensure the molding accuracy and quality of the product, and also help improve the overall rigidity of the mold.

[0037] The moving mold plate 3, moving mold pad 4, mold foot 5, and mold base plate 6 are arranged in sequence to form the supporting structure of the moving mold. They provide installation space for the various components inside the moving mold and withstand the pressure and impact during the injection molding process, ensuring the normal operation of the moving mold and the overall stability of the mold.

[0038] The moving mold core 19 is equipped with a slider 20 that fits into the front mold insert 9 and forms the product molding cavity. The slider 20 determines the outer contour of the product, and its precise fit with the front mold insert 9 ensures the sealing and precision of the product molding cavity, thereby guaranteeing the molding quality of the product.

[0039] The slider 20 is equipped with a material handle 21 that is compatible with the flow channel 8. The material handle 21 is used to connect the flow channel 8 and the product forming chamber, so that the molten material can smoothly enter the chamber to form the product, and at the same time, it is convenient to remove the product from the mold after demolding.

[0040] The inclined guide groove 28 on the slider 20, together with the inclined guide post 11, guides the insertion and realizes the directional movement of the slider 20 in the moving mold, ensuring that the product can be demolded smoothly.

[0041] The slider 20 is fixed to the inner side of the moving template 3 and the moving mold core 19 by the pressure strip 39, which ensures the stability of the slider 20 during the movement and prevents it from being displaced under the action of injection pressure, thus affecting the molding accuracy of the product.

[0042] Cooling water pipes 29 extend from the sliding block 20 and are provided with the moving mold plate 3 for cooling the sliding block 20. During the injection molding process, the sliding block 20 will heat up due to contact with the molten material. The cooling water pipes 29 remove the heat in time, which helps to control the temperature of the sliding block 20, ensure the dimensional stability of the sliding block 20 and the normal operation of the mold, and avoid product molding defects caused by temperature changes.

[0043] The wear-resistant plate 36 and the slider lock 37 on the moving template 3 reduce friction and wear between the slider 20 and the moving template 3, extending the service life of the mold. The slider lock 37 is used to limit and lock the slider 20 when the mold is closed, preventing the slider 20 from moving accidentally during the injection molding process and ensuring the accuracy of product molding.

[0044] The inner side of the moving mold core 19 is provided with a sleeve 22 and a moving mold insert 23 located inside the sleeve 22. The sleeve 22 and the moving mold insert 23 are used to form specific internal structures of the product, such as small holes, pillars and other features. Their setting enriches the forming function of the mold and can meet the diverse design needs of the product.

[0045] The gate 24 on the material holder 21 extends into the product molding cavity. The moving mold pad 4 is provided with a kit 25 that extends into the fixed mold core 7 and is located outside the ejector sleeve 22. The top of the kit 25 has a fitting slope 26. The moving mold pad 4 and the moving mold plate 3 are separated and closed instantly by a spring 27.

[0046] When the mold is working, the structure of this spring-opening moving mold pad 4 changes the PL line, so that the slider 20 can move without the need for an angle fit, avoiding scratches on the slider 20, and meeting the requirements of the product drawings for no PL line in specific parts and the overall performance requirements of the mold.

[0047] For example, during the production process, when the mold is opened, the spring 27 pushes the moving mold pad 4 to separate from the moving template 3, and the kit 25 moves with the moving mold pad 4, providing new movement space for the slider 20. At this time, the slider 20 can move smoothly without relying on the traditional inclined mating surface. When the mold is closed, the spring 27 makes the moving mold pad 4 fit tightly with the moving template 3, ensuring the overall performance and accuracy of the mold.

[0048] The moving mold pad 4 and the moving mold plate 3 are instantly separated and closed by a spring 27. When the mold is opened, the spring 27 provides elastic force, which allows the moving mold pad 4 and the moving mold plate 3 to separate quickly, creating conditions for product demolding; when the mold is closed, the spring 27 can ensure that the moving mold pad 4 and the moving mold plate 3 are tightly fitted, ensuring the mold clamping force and sealing performance, which helps to improve the working efficiency of the mold and the product quality.

[0049] The fixed mold plate 2 has four symmetrically arranged precision positioning grooves 13 embedded in it. Four precision positioning blocks 30 on the moving mold plate 3 cooperate with the precision positioning grooves 13 for guidance and insertion. Four guide sleeves 14 are embedded at the four corners of the fixed mold plate 2, and four guide posts 31 on the moving mold plate 3 cooperate with the four guide sleeves 14 for guidance and insertion. During mold opening and closing, the precision positioning system can accurately guide the relative positions of the moving and fixed molds, ensuring the accuracy and repeatability of mold closing, improving product molding precision, and reducing product defects caused by positioning deviations.

[0050] The fixed mold plate 2 has two locking modules 15 rotatably connected to its two ends along its diagonal. The two locking modules 15 are locked together with the locking rod 32 on the moving mold plate 3. After the mold is closed, the locking modules 15 provide additional clamping force through their cooperation with the locking rod 32, which further enhances the sealing and rigidity of the mold, prevents overflow and flash at the mold parting surface during injection molding, ensures that the product can be accurately molded under high pressure injection molding conditions, and improves the appearance quality and dimensional accuracy of the product.

[0051] The fixed template 2 has a cooling water connector A16 and a lifting eye hole A17 on one side, and a cooling water connector B18 on the rear side of the fixed template 2. The moving template 3 has a cooling water connector C33 on one side, which is symmetrically arranged above and below the cooling water connector A16. These cooling water connectors are used to connect the cooling water pipes 29. The circulating cooling water removes the heat generated by the mold during the injection molding process, controls the mold temperature, ensures the dimensional stability and quality consistency of the product during the molding process, and reduces defects such as product shrinkage and deformation caused by temperature changes.

[0052] One side of the mold foot 5 is equipped with a frame-type lifting ring 34, and another side of the mold foot 5 is equipped with a lifting ring hole B35. These lifting rings and lifting ring holes facilitate the lifting and handling of the mold, providing convenience during the installation, debugging, maintenance and replacement of the mold, and ensuring the safe and efficient operation of the mold.

[0053] A counter 38 is embedded in the moving mold base plate 4. It is used to record information such as the number of times the mold opens and closes, and the number of products produced. By statistically analyzing this data, it is possible to monitor the usage of the mold, carry out preventive maintenance, rationally arrange production plans, improve production management efficiency, and at the same time, help to evaluate the service life and performance status of the mold.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mold for adding a spring-loaded sheath pad structure, characterized in that, include: The fixed mold includes a fixed template (2) and a fixed mold base plate (1) located on the top of the fixed template (2). The fixed mold core (7) inside the fixed template (2) is provided with a flow channel (8) and four front mold inserts (9) are embedded and installed on the fixed mold core (7) at equal intervals. The moving mold includes a moving template (3), a moving mold pad (4) at the bottom of the moving template (3), a mold foot (5) at the bottom of the moving mold pad (4), and a mold base plate (6) at the bottom of the mold foot (5). The moving mold core (19) inside the moving template (3) is provided with a slider (20) that is inserted into the front mold insert (9) and forms the product forming cavity. The slider (20) is provided with a material handle (21) that is compatible with the flow channel (8). The inner side of the moving mold core (19) is provided with a sleeve (22) and a moving mold insert (23) located inside the sleeve (22). The gate (24) on the material handle (21) extends into the product molding cavity. The moving mold pad (4) is provided with a kit (25) that extends into the fixed mold core (7) and is located outside the sleeve (22). The top of the kit (25) has a fitting slope (26). The moving mold pad (4) and the moving mold plate (3) are separated and closed instantly by a spring (27).

2. The mold for adding a spring-opening sheath pad structure according to claim 1, characterized in that: The template (2) is provided with four fixed blocks A (10) arranged symmetrically in front and behind and inclined guide posts (11) installed on the fixed blocks A (10). The template (2) is also provided with four wedge blocks (12) arranged symmetrically in front and behind and located on the outside of the four fixed blocks A (10). The slider (20) is inserted into the cavity formed by the fixed template (2), the wedge block (12) and the fixed mold core (7). The slider (20) is provided with an inclined guide groove (28) that cooperates with the inclined guide post (11) for insertion. The slider (20) is fixed to the inside of the moving template (3) and the moving mold core (19) by the pressure strip (39). The slider (20) is provided with a cooling water pipe (29) that extends out of the moving template (3).

3. The mold for adding a spring-loaded sheath pad structure according to claim 1, characterized in that: Four precision positioning slots (13) are embedded in the fixed template (2) and are symmetrically arranged on the left and right. Four precision positioning blocks (30) on the moving template (3) are engaged with the precision positioning slots (13) and are guided and inserted. Four guide sleeves (14) are embedded in the four corners of the fixed template (2) and are engaged with the four guide posts (31) on the moving template (3) and are guided and inserted.

4. The mold for adding a spring-loaded sheath pad structure according to claim 1, characterized in that: The fixed template (2) is provided with two locking modules (15) that are rotatably connected to it at both ends of its diagonal. The two locking modules (15) are locked together with the locking rod (32) on the movable template (3).

5. The mold for adding a spring-loaded sheath pad structure according to claim 1, characterized in that: A cooling water connector A (16) and a lifting ring hole A (17) are provided on one side of the fixed template (2). A cooling water connector B (18) is provided on the rear side of the fixed template (2). A cooling water connector C (33) is provided on one side of the moving template (3) and is symmetrically arranged above and below the cooling water connector A (16). A frame-type lifting ring (34) is provided on one side of the mold foot (5). A lifting ring hole B (35) is also provided on one side of the mold foot (5).

6. The mold for adding a spring-loaded sheath pad structure according to claim 1, characterized in that: The moving template (3) is provided with a wear-resistant plate (36) and a slider lock (37) for limiting and positioning in conjunction with the slider (20).

7. The mold for adding a spring-opening sheath pad structure according to claim 1, characterized in that: A counter (38) is embedded in the moving mold plate (4).

Images