Side core-pulling structure of water tank product mold

By designing a side-pulling core structure for water tank product molds, the problems of forming and demolding protrusions and hollow structures were solved, achieving precise forming and safe and reliable demolding, reducing production costs and operational difficulties, and improving product quality.

CN223821020UActive Publication Date: 2026-01-23ZHONGSHAN JIANFENG ELECTRONIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520088954.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-23
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

In the existing technology, the protruding blocks and hollow structures of water tank product molds are difficult to form and demold effectively, especially due to the small space and inconsistent structures, which makes it difficult to apply conventional core-pulling structures.

Method used

A side core-pulling structure for a water tank product mold is designed, including a first side core-pulling structure and a second side core-pulling structure, which are used for forming and demolding protrusions and hollow structures, respectively. Precise forming and side core-pulling are achieved through guide blocks, sliding grooves and driving structures, avoiding interference with the casting structure.

Benefits of technology

It enables precise molding and demolding of protruding blocks and hollow structures in water tank products, effectively utilizing space, reducing production costs, improving production safety and reliability, reducing the complexity of manual operation, and ensuring consistent product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223821020U_ABST
    Figure CN223821020U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of dies, and particularly discloses a side core-pulling structure of a water tank product die. The mold comprises an upper mold plate, a mold core plate, a lower mold plate, a pouring structure, a first side core-pulling structure arranged between the mold core plate and the pouring structure, and a second side core-pulling structure arranged below the mold core plate, the first side core-pulling structure comprises a first forming block arranged on the mold core plate and used for forming a protruding block together with the mold core plate, a second forming block connected with the first forming block in a sliding mode, a first core-pulling sliding block connected with the second forming block in a sliding mode, a first driving structure used for driving the first core-pulling sliding block and a control structure. The structure effectively utilizes space and is good in forming and demolding effects.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially a side core -pulling structure of water tank product mould. BACKGROUND

[0002] The injection mould is a kind of tool for injection molding process, and its design and processing quality directly affect the function, appearance and precision of the molded plastic parts, such as Figure 1 As shown in the water tank upper shell product 6, the top of the product has a protruding connecting plate, the bottom of the connecting plate has a hollow structure 602, and the inner side of the connecting plate has a suspended protruding block 601, since the hollow structure 602 and the protruding block 601 are not consistent with the opening direction, and the upper side of the protruding block 601 also has a pouring structure, the space is narrow, and it cannot be pulled out with the conventional structure, so a corresponding demolding structure needs to be designed. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a side core-pulling structure of water tank product mould, which effectively utilizes the space and has good molding and demolding effects.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A side core-pulling structure of water tank product mould, comprising: an upper die plate, a die block plate arranged below the upper die plate, a lower die plate arranged below the die block plate, a pouring structure arranged on the die block plate, a first side core-pulling structure arranged between the die block plate and the pouring structure for molding and demolding a protruding block, and a second side core-pulling structure arranged below the die block plate for molding and demolding a hollow structure, the first side core-pulling structure comprises a first molding block arranged on the die block plate for molding the protruding block together with the die block plate, a second molding block in sliding connection with the first molding block, a first core-pulling sliding block in sliding connection with the second molding block, a first driving structure for driving the first core-pulling sliding block, and a control structure.

[0006] According to some embodiments of the utility model, the first molding block comprises a first molding portion for molding the protruding block on the side portion, a second molding portion for molding the upper surface of the product on the bottom portion, and a first sliding groove in sliding connection with the second molding block arranged opposite to the other side of the first molding portion.

[0007] According to some embodiments of the present invention, the first molding block further includes a first guide block arranged in a transverse direction on its left and right sides, the mold core plate is provided with a first guide groove that matches the bottom of the first guide block, the upper side of the first guide block is provided with a first limiting block fixed on the mold core plate, and the first guide block slides between the first guide groove and the first limiting block.

[0008] According to some embodiments of the present invention, the second molding block includes a third molding part located at the bottom for molding the upper surface of the product, a first protrusion located on the side that slides in conjunction with the first sliding groove, a second protrusion located at the top that slides in contact with the first core-pulling sliding block, and vertical second guide blocks provided on its left and right sides. The mold core plate is provided with a second guide groove that matches the second guide block.

[0009] According to some embodiments of the present invention, the first core-pulling sliding block includes a second sliding groove located at the bottom that slides in conjunction with the second protrusion and a third guide block arranged on its left and right sides. The mold core plate is provided with a third guide groove that matches the bottom of the third guide block. The upper side of the third guide block is provided with a second limiting block fixed on the mold core plate. The third guide block slides between the third guide groove and the second limiting block.

[0010] According to some embodiments of the present invention, the mold core plate is provided with a fourth guide block that slides with the bottom of the first core-pulling sliding block, the upper template is provided with a third limiting block for limiting the top of the first core-pulling sliding block, and the bottom of the first core-pulling sliding block is provided with a fourth guide groove that matches the fourth guide block.

[0011] According to some embodiments of the present invention, the first driving structure includes a driving part for driving the first core-pulling sliding block and a third protrusion that slides with the first core-pulling sliding block, wherein the first core-pulling sliding block has a third sliding groove that cooperates with the driving part.

[0012] According to some embodiments of the present invention, the bottom of the first driving structure has a first limiting groove, the mold core plate has a second limiting groove, and a fourth limiting block is engaged in the first limiting groove and the second limiting groove.

[0013] According to some embodiments of the present invention, the control structure includes a first touch switch and a second touch switch disposed on the mold core plate, and a control block fixed on the first core-pulling sliding block is provided between the first touch switch and the second touch switch.

[0014] According to some embodiments of the present invention, the second side core-pulling structure includes an upper molding insert for forming a hollow structure, a lower molding insert for forming the side of the product, a second core-pulling sliding block connected to the upper molding insert and the lower molding insert, and a second driving structure for driving the second core-pulling sliding block.

[0015] This utility model has at least the following beneficial effects:

[0016] The first and second side core-pulling structures can precisely shape the protruding blocks and hollow structures of the water tank product and pull the cores laterally. The first driving structure drives the first core-pulling sliding block to move outward of the protruding block, so that the first core-pulling sliding block drives the second molding block that slides with it to move upward, so that the second molding block drives the first molding block that slides with it to achieve core-pulling and demolding of the protruding block. The overall structure, together with the control structure, does not interfere with the casting structure, effectively utilizes space, and can pull the cores and demold well. Attached Figure Description

[0017] Figure 1 This is a structural schematic diagram of the water tank upper shell product of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0019] Figure 3 It is along Figure 2 A cross-sectional view along line AA;

[0020] Figure 4 It is along Figure 2 A cross-sectional view of the BB line;

[0021] Figure 5 This is a schematic diagram of the first side core-pulling structure according to an embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the second side core-pulling structure according to an embodiment of the present invention. Detailed Implementation

[0023] This invention provides the following description with reference to the accompanying drawings to aid in a comprehensive understanding of the various embodiments of the invention as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but these details should be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the invention.

[0024] In the description of this utility model, the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] It should be understood that when one element (e.g., the first element) is “connected” to another element (e.g., the second element), the element may be directly connected to the other element, or there may be an intervening element (e.g., the third element) between the element and the other element.

[0026] An embodiment of this utility model provides a side core-pulling structure for a water tank product mold, such as... Figures 1-6 As shown, the system includes an upper template 101, a mold core plate 102 disposed below the upper template 101, a lower template 103 disposed below the mold core plate 102, a casting structure 2 disposed on the mold core plate 102, a first side core-pulling structure 300 disposed between the mold core plate 102 and the casting structure 2 for molding and demolding the protrusion 601, and a second side core-pulling structure 400 disposed below the mold core plate 102 for molding and demolding the hollow structure 602. The first side core-pulling structure 300 includes a first molding block 301 disposed on the mold core plate 102 for molding the protrusion 601 together with the mold core plate 102, a second molding block 302 slidably connected to the first molding block 301, a first core-pulling sliding block 303 slidably connected to the second molding block 302, a first driving structure 304 for driving the first core-pulling sliding block 303, and a control structure 5.

[0027] The first side core-pulling structure 300 can accurately form the protruding block 601 of the water tank product and pull the core laterally without interfering with the casting structure 2, effectively utilizing space, reasonably compressing the mold space, and reducing production costs. The second side core-pulling structure 400 can accurately form the hollow structure 602 of the water tank product and pull the core laterally. The first forming block 301 can be provided with a groove for forming the protruding block 601, or it can be further combined with the mold core plate 102 to jointly form the protruding block 601, reducing the adhesion of the mold and facilitating maintenance and processing. Specifically, the first driving structure 304 drives the first core-pulling sliding block 303 to move outward of the protruding block 601, so that the first core-pulling sliding block 303 drives the second forming block 302 that slides with it to move upward, so that the second forming block 302 drives the first forming block 301 that slides with it to achieve core pulling and demolding of the protruding block 601. The overall structure, together with the control structure 5, reduces the complexity of manual operation, lowers the operation difficulty, and improves the safety and reliability of production.

[0028] In some embodiments, such asFigure 3 , 5 As shown, the first molding block 301 includes a first molding part 305 located on the side for molding a protrusion 601, a second molding part 306 located at the bottom for molding an upper surface 603 of the product, and a first sliding groove disposed on the other side of the first molding part 305 and slidingly engaging with the second molding block 302.

[0029] The structural design of the first molding block 301 enables it to simultaneously mold the protrusion 601 and the upper surface 603 of the product. The synergistic effect of the first molding part 305 and the second molding part 306 ensures that the size and shape of the protrusion 601 and the upper surface 603 of the product meet the design requirements, reducing product defects caused by poor molding and improving the appearance and functional quality of the product. The first molding block 301 and the second molding block 302 slide relative to each other through the first sliding groove, allowing the first molding block 301 to achieve a small displacement, which is the first step of multi-stage transmission. The stable sliding fit also helps to improve the accuracy and repeatability of the molding process and ensure the quality consistency of each product.

[0030] In some embodiments, such as Figures 4-5 As shown, the first molding block 301 also includes a first guide block 308 arranged on its left and right sides. The mold core plate 102 is provided with a first guide groove 309 that matches the bottom of the first guide block 308. The upper side of the first guide block 308 is provided with a first limiting block 310 fixed on the mold core plate 102. The first guide block 308 slides between the first guide groove 309 and the first limiting block 310.

[0031] The first limiting block 310 facilitates the installation of the first forming block 301, as well as its maintenance and adjustment. The first guide block 308 slides laterally within the space formed between the first guide groove 309 and the first limiting block 310, which allows the first forming block 301 to receive better guidance during the sliding process, improves its sliding stability, and ensures the accuracy and consistency during the forming process.

[0032] Furthermore, such as Figures 3-5 As shown, the second molding block 302 includes a third molding part 312 located at the bottom for molding the upper surface 603 of the product, a first protrusion 313 located on the side that slides in conjunction with the first sliding groove, a second protrusion 314 located at the top that slides in conjunction with the first core-pulling sliding block 303, and vertical second guide blocks 315 provided on its left and right sides. The mold core plate 102 is provided with a second guide groove that matches the second guide block 315.

[0033] The structure of the second forming block 302 is such that the first forming block 301 is driven by the first protrusion 313, and is driven by the first core-pulling sliding block 303 through the second protrusion 314. The third forming part 312 takes into account the forming process, and finally the second guide block 315 provides a stable sliding path, reducing the offset and shaking during the sliding process and improving the accuracy of core pulling. The shapes of the first protrusion 313 and the second protrusion 314 include, but are not limited to, T-shaped, U-shaped and other shapes.

[0034] Furthermore, such as Figures 4-5 As shown, the first core-pulling sliding block 303 includes a second sliding groove 317 located at the bottom that slides in conjunction with the second protrusion 314, and a third guide block 318 arranged on its left and right sides. The mold core plate 102 is provided with a third guide groove 319 that matches the bottom of the third guide block 318. The upper side of the third guide block 318 is provided with a second limiting block 320 fixed on the mold core plate 102. The third guide block 318 slides between the third guide groove 319 and the second limiting block 320.

[0035] In practice, the second protrusion 314 and the second sliding groove 317 are set at an angle to facilitate the vertical movement of the second forming block 302. The setting of the second limiting block 320 facilitates the installation of the first core-pulling sliding block 303. The third guide block 318 slides laterally in the space formed between the third guide groove 319 and the second limiting block 320, so that the first core-pulling sliding block 303 is better guided during the sliding process, reducing the offset and shaking during the sliding process and improving the accuracy of core pulling.

[0036] In some embodiments, such as Figure 3 As shown, the mold core plate 102 is provided with a fourth guide block 321 that slides with the bottom of the first core-pulling sliding block 303, the upper template 101 is provided with a third limiting block 322 for limiting the top of the first core-pulling sliding block 303, and the bottom of the first core-pulling sliding block 303 is provided with a fourth guide groove 323 that matches the fourth guide block 321.

[0037] Because the first core-pulling sliding block 303 is relatively long, its stability is poor when driven by the driving structure. The fourth guide block 321 can further guide and limit the displacement of the first core-pulling sliding block 303. Together with the third guide block 318, it can limit its up, down, left and right movements, allowing it to move only forward and backward. This provides better guidance, reduces offset during the sliding process, and improves the accuracy of core pulling.

[0038] In some embodiments, such as Figure 3 As shown, the first driving structure 304 includes a driving part 324 for driving the first core-pulling sliding block 303 and a third protrusion 325 that slides with the first core-pulling sliding block 303. The first core-pulling sliding block 303 has a third sliding groove 326 that cooperates with the driving part 324.

[0039] When the first core-pulling sliding block 303 is pushed by the driving part 324, it will vibrate up and down due to vibration. The third protrusion 325 slides in the third sliding groove 326 to prevent the first core-pulling sliding block 303 from being affected by the up and down vibration of the first driving structure 304.

[0040] In some embodiments, such as Figure 3 As shown, the first driving structure 304 has a first limiting groove at its bottom and a second limiting groove on the mold core plate 102. A fourth limiting block 329 is engaged in the first limiting groove and the second limiting groove.

[0041] Specifically, the fourth limiting block 329 is locked in the first limiting groove and the second limiting groove, thereby further fixing the first driving structure 304, increasing the force when it pulls the first core-pulling sliding block 303, and preventing itself from being pulled.

[0042] In some embodiments, such as Figure 5 As shown, the control structure 5 includes a first touch switch 501 and a second touch switch 502 disposed on the mold core plate 102, and a control block 503 fixed on the first core-pulling sliding block 303 is disposed between the first touch switch 501 and the second touch switch 502.

[0043] During core pulling and mold closing, the control block 503 on the first core pulling sliding block 303 moves back and forth between the first touch switch 501 and the second touch switch 502. The control structure 5 controls the first drive structure 304 while also limiting the movement distance of the first core pulling sliding block 303, thereby limiting the core pulling and mold closing distance of the first molding block 301. During the core pulling action, the control block 503 on the side of the first touch switch 501 moves towards the second touch switch 502. When the control block 503 touches the second touch switch 502, the limit switch controls the first drive structure 304 to stop, and the core pulling action is completed. During mold closing, when the control block 503 returns to touch the first touch switch 501, the limit switch controls the first drive structure 304 to stop, and the first molding block 301 and the second molding block 302 are reset.

[0044] In some embodiments, such as Figure 6 As shown, the second side core-pulling structure 400 includes an upper molding insert 401 for molding the hollow structure 602, a lower molding insert 402 for molding the side of the product, a second core-pulling sliding block 403 connected to the upper molding insert 401 and the lower molding insert 402, and a second driving structure 404 for driving the second core-pulling sliding block 403.

[0045] The separate configuration of the upper molding insert 401 and the lower molding insert 402 allows for the independent processing and maintenance of complex molding structures, reducing production difficulty and maintenance costs.

[0046] The terms and words used in the foregoing description and claims are not limited to their literal meaning, but are merely used by the applicant to enable a clear and consistent understanding of the present invention. Therefore, those skilled in the art should understand that the foregoing description of various embodiments of the present invention is for illustrative purposes only, and not intended to limit the present invention as defined by the appended claims and their equivalents.

Claims

1. A side core-pulling structure for a water tank product mold, characterized in that, include: The upper mold plate (101), the mold core plate (102) disposed below the upper mold plate (101), the lower mold plate (103) disposed below the mold core plate (102), the casting structure (2) disposed on the mold core plate (102), the first side core-pulling structure (300) disposed between the mold core plate (102) and the casting structure (2) for molding and demolding the protrusion (601), and the lower mold core plate (102) for molding and demolding the hollow structure (602). The second side core-pulling structure (400) includes the first side core-pulling structure (300) which includes a first molding block (301) disposed on the mold core plate (102) for forming a protrusion (601) together with the mold core plate (102), a second molding block (302) slidably connected to the first molding block (301), a first core-pulling sliding block (303) slidably connected to the second molding block (302), a first driving structure (304) for driving the first core-pulling sliding block (303), and a control structure (5).

2. The side core-pulling structure of a water tank product mold according to claim 1, characterized in that: The first molding block (301) includes a first molding part (305) located on the side for molding a protrusion (601), a second molding part (306) located at the bottom for molding the upper surface (603) of the product, and a first sliding groove disposed on the other side of the first molding part (305) and slidingly engaging with the second molding block (302).

3. The side core-pulling structure of a water tank product mold according to any one of claims 1-2, characterized in that: The first molding block (301) also includes a first guide block (308) arranged on its left and right sides. The mold core plate (102) is provided with a first guide groove (309) that matches the bottom of the first guide block (308). The upper side of the first guide block (308) is provided with a first limiting block (310) fixed on the mold core plate (102). The first guide block (308) slides between the first guide groove (309) and the first limiting block (310).

4. The side core-pulling structure of a water tank product mold according to claim 2, characterized in that: The second molding block (302) includes a third molding part (312) at the bottom for molding the upper surface (603) of the product, a first protrusion (313) at the side that slides in conjunction with the first sliding groove, a second protrusion (314) at the top that slides in conjunction with the first core-pulling sliding block (303), and vertical second guide blocks (315) on its left and right sides. The mold core plate (102) is provided with a second guide groove that matches the second guide block (315).

5. The side core-pulling structure of a water tank product mold according to claim 4, characterized in that: The first core-pulling sliding block (303) includes a second sliding groove (317) located at the bottom that slides in conjunction with the second protrusion (314) and a third guide block (318) arranged on its left and right sides. The mold core plate (102) is provided with a third guide groove (319) that matches the bottom of the third guide block (318). The upper side of the third guide block (318) is provided with a second limiting block (320) fixed on the mold core plate (102). The third guide block (318) slides between the third guide groove (319) and the second limiting block (320).

6. The side core-pulling structure of a water tank product mold according to any one of claims 1 or 5, characterized in that: The mold core plate (102) is provided with a fourth guide block (321) that slides with the bottom of the first core-pulling sliding block (303). The upper template (101) is provided with a third limiting block (322) for limiting the top of the first core-pulling sliding block (303). The bottom of the first core-pulling sliding block (303) is provided with a fourth guide groove (323) that matches the fourth guide block (321).

7. The side core-pulling structure of a water tank product mold according to claim 1, characterized in that: The first driving structure (304) includes a driving part (324) for driving the first core-pulling sliding block (303) and a third protrusion (325) that slides with the first core-pulling sliding block (303). The first core-pulling sliding block (303) has a third sliding groove (326) that cooperates with the driving part (324).

8. The side core-pulling structure of a water tank product mold according to claim 1, characterized in that: The first driving structure (304) has a first limiting groove at the bottom, and the mold core plate (102) has a second limiting groove. A fourth limiting block (329) is engaged in the first limiting groove and the second limiting groove.

9. The side core-pulling structure of a water tank product mold according to claim 1, characterized in that: The control structure (5) includes a first touch switch (501) and a second touch switch (502) disposed on the mold core plate (102), and a control block (503) fixed on the first core-pulling sliding block (303) is provided between the first touch switch (501) and the second touch switch (502).

10. The side core-pulling structure of a water tank product mold according to claim 1, characterized in that: The second side core-pulling structure (400) includes an upper molding insert (401) for molding a hollow structure (602), a lower molding insert (402) for molding the side of the product, a second core-pulling sliding block (403) connected to the upper molding insert (401) and the lower molding insert (402), and a second driving structure (404) for driving the second core-pulling sliding block (403).