Injection mold for easy demoulding of special-shaped injection molded parts

By setting up parts such as ejection holes, threaded sealing heads, ejection cylinders in the injection mold, the problem of reduced effect when demolding special-shaped injection molded parts is solved, and a rapid, stable and reduced mold release effect is achieved.

CN222712713UActive Publication Date: 2025-04-04SUZHOU HENGLILAI MOULD CO LTD
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Patent Information

Application Number
CN202421495854.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-04
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The effect of existing injection molds is reduced when the special-shaped injection molded parts is demolded, which is easy to cause damage to the injection molded parts.

Method used

By providing components such as ejection holes, threaded sealing heads, ejection cylinders, ejection plates, first dual-axis cylinders, lockers, mounting plates, second dual-axis cylinders and rubber clamping plates, the use is used in conjunction to achieve rapid mold release of special-shaped injection molded parts.

Benefits of technology

The demolding effect of special-shaped injection molded parts is improved, the damage to the injection molded parts during the demolding process is reduced, and the stability of demolding is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection mold for facilitating the demoulding of special-shaped injection molded parts, including a base, a lower mold is provided above the top of the base, and an upper mold is provided on the top of the lower mold, sealing blocks are fixedly installed at both ends of the bottom of the upper mold, and sealing grooves are provided at both ends of the top of the lower mold, and the sealing grooves and the sealing blocks are adapted to each other; three groups of ejection holes are provided at the bottom of the lower mold, and threaded sealing heads are installed on the internal sealing threads of the ejection holes, and three groups of ejection cylinders corresponding to the ejection holes are provided in sequence at the bottom center of the base. The utility model is provided with ejection holes, threaded sealing heads, ejection cylinders, ejection plates, first dual-axis cylinders, holders, mounting plates, second dual-axis cylinders, and rubber clamping plates, so as to facilitate the rapid demoulding of special-shaped injection molded parts injected in the lower mold, so as to improve the demoulding effect, reduce damage, and also facilitate improving the demoulding stability of special-shaped injection molded parts.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which is convenient for demoulding special-shaped injection molded parts. Background Art

[0002] Injection molds are generally only used for injection molding, while injection molding is also called injection molding, which is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding processing fields.

[0003] However, when the special-shaped injection molded parts are injection molded, the demoulding effect of the common injection mold is reduced, and the special-shaped injection molded parts are easily damaged. Utility Model Content

[0004] The utility model aims to provide an injection mold which is convenient for demoulding special-shaped injection molded parts. The utility model is convenient for quickly demoulding the special-shaped injection molded parts formed in the lower mold by arranging ejection holes, threaded sealing heads, ejection cylinders, ejection plates, first double-axis cylinders, holders, mounting plates, second double-axis cylinders and clamping plates, so as to improve the demoulding effect, reduce damage, and also facilitate improving the demoulding stability of the special-shaped injection molded parts; so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An injection mold for facilitating demoulding of special-shaped injection molded parts, comprising a base, a lower mold is arranged above the top of the base, an upper mold is arranged on the top of the lower mold, sealing blocks are fixedly installed at both ends of the bottom of the upper mold, and sealing grooves are provided at both ends of the top of the lower mold, and the sealing grooves are adapted to the sealing blocks;

[0007] Three groups of ejection holes are opened at the bottom of the lower mold, and the internal sealing threads of the ejection holes are installed with threaded sealing heads. Three groups of ejection cylinders corresponding to the ejection holes are arranged in sequence at the bottom center of the base, and the output ends of the ejection cylinders are fixedly connected with ejection plates; a first double-axis cylinder is arranged at both ends of the base, and a mounting plate is clamped at the output end of the first double-axis cylinder, and a second double-axis cylinder is fixedly installed on the outer side of the mounting plate, and the output end of the second double-axis cylinder that passes through the mounting plate is fixedly connected with a rubber clamping plate for clamping special-shaped injection molded parts.

[0008] Preferably, fixing rods are fixedly installed around the bottom of the lower mold, and the fixing rods are clamped in corresponding slots opened on the top of the base.

[0009] Preferably, an injection port is provided at the top center of the upper mold, and a column head for closing the mold is clamped inside the injection port.

[0010] Preferably, two sides of the first dual-axis cylinder are fitted with a card seat, and the bottom of the card seat is fixedly mounted on the base.

[0011] Preferably, a connecting seat is fixedly installed at the center of the back side of the base, and a lifting cylinder is fixedly installed on the top of the connecting seat.

[0012] Preferably, the output end of the lifting cylinder is fixedly connected to a fixing plate, and one side of the fixing plate is fixedly connected to the back side of the upper mold.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with an ejection hole, a threaded sealing head, an ejection cylinder, an ejection plate, a first double-axis cylinder, a clamping seat, a mounting plate, a second double-axis cylinder and a rubber clamping plate and other components for use in combination, so as to facilitate the rapid demoulding effect of the special-shaped injection molded part formed in the lower mold, so as to improve the demoulding effect, reduce damage, and also facilitate to improve the demoulding stability of the special-shaped injection molded part. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of the utility model in an open state;

[0017] Figure 3 This is a schematic diagram of the top view of the lower mold structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the separation structure of the upper die and the column head of the utility model;

[0019] Figure 5 It is a schematic diagram of the separation structure of the base, lower die and threaded sealing head of the utility model.

[0020] In the figure: 1. base; 2. slot; 3. fixing rod; 4. lower mold; 5. sealing groove; 6. ejector hole; 601. threaded sealing head; 7. sealing block; 8. upper mold; 9. injection port; 901. column head; 10. ejector cylinder; 101. ejector plate; 11. first double-axis cylinder; 12. holder; 13. mounting plate; 14. second double-axis cylinder; 15. rubber clamping plate; 16. connecting seat; 17. lifting cylinder; 18. fixing plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5 , the utility model provides a technical solution:

[0023] An injection mold for facilitating demoulding of special-shaped injection molded parts comprises a base 1, a lower mold 4 is arranged above the top of the base 1, an upper mold 8 is arranged on the top of the lower mold 4, sealing blocks 7 are fixedly installed at both ends of the bottom of the upper mold 8, sealing grooves 5 are opened at both ends of the top of the lower mold 4, and the sealing grooves 5 are adapted to the sealing blocks 7;

[0024] By setting the upper and lower molds 4 and the upper mold 8 to cooperate with each other, it is convenient to perform injection molding processing on special-shaped injection molded parts. At the same time, components such as sealing grooves 5 and sealing blocks 7 are provided to achieve a sealing effect between the lower mold 4 and the upper mold 8.

[0025] Three groups of ejection holes 6 are provided at the bottom of the lower mold 4, and the internal sealing threads of the ejection holes 6 are installed with threaded sealing heads 601. By setting the threaded sealing heads 601 and the ejection holes 6, it is convenient to demould the special-shaped injection molded parts from the lower mold 4; three groups of ejection cylinders 10 corresponding to the ejection holes 6 are arranged in sequence at the bottom center of the base 1, and the output ends of the ejection cylinders 10 are fixedly connected with ejection plates 101; the two ends of the base 1 are provided with a first double-axis cylinder 11, and the output end of the first double-axis cylinder 11 is clamped with a mounting plate 13, and the outer side of the mounting plate 13 is fixedly installed with a second double-axis cylinder 14, and the output end of the second double-axis cylinder 14 passes through the mounting plate 13 and is fixedly connected with a rubber clamping plate 15 for clamping the special-shaped injection molded parts. By setting the rubber clamping plate 15, it is convenient to protect the special-shaped injection molded parts after clamping.

[0026] The utility model is provided with the ejection hole 6, the threaded sealing head 601, the ejection cylinder 10, the ejection plate 101, the first double-axis cylinder 11, the clamping seat 12, the mounting plate 13, the second double-axis cylinder 14 and the rubber clamping plate 15 and other components for use in coordination, so as to facilitate the rapid demoulding effect of the special-shaped injection molded part formed in the lower mold 4, so as to improve the demoulding effect and reduce damage, and also facilitate to improve the demoulding stability of the special-shaped injection molded part;

[0027] First, the threaded sealing head 601 is twisted by hand to loosen and open it from the ejection hole 6 at the bottom of the lower mold 4, and then the second double-axis cylinder 14 is started so that its output end drives the rubber clamping plate 15 to fit and clamp the special-shaped injection molded part, and then the ejection cylinder 10 is started so that its output end drives the ejection plate 101 through the ejection hole 6 to eject the special-shaped injection molded part cooled and formed in the lower mold 4; at the same time, the first double-axis cylinder 11 is also started to drive the mounting plate 13 to move up and down, thereby improving the efficiency of demolding the special-shaped injection molded parts and increasing the stability during demolding.

[0028] The bottom of the lower mold 4 is fixedly installed with a fixing rod 3, which is clamped in a corresponding slot 2 on the top of the base 1. By providing the slot 2 and the fixing rod 3, it is convenient to clamp the lower mold 4 on the base 1 so that it can be disassembled and carried.

[0029] An injection port 9 is provided at the top center of the upper mold 8, and a column head 901 for closing the mold is clamped inside the injection port 9. The connecting piece on the top of the column head 901 is pinched by hand and moved upward so that the column head 901 is removed from the injection port 9, thereby facilitating the addition of injection material to the interior of the lower mold 4 and the upper mold 8.

[0030] The first dual-axis cylinder 11 has a base 12 on both sides thereof, and the bottom of the base 12 is fixedly mounted on the base 1, a connecting base 16 is fixedly mounted on the back center of the base 1, and a lifting cylinder 17 is fixedly mounted on the top of the connecting base 16, a fixing plate 18 is fixedly connected to the output end of the lifting cylinder 17, and one side of the fixing plate 18 is fixedly connected to the back of the upper mold 8.

[0031] By starting the lifting cylinder 17, its output end drives the upper mold 8 to move up and down, so that the sealing block 7 on the upper mold 8 is sealed and snapped into the corresponding sealing groove 5 on the lower mold 4, thereby facilitating the sealing effect of the lower mold 4 and the upper mold 8. The reverse operation can be performed to enable installation.

[0032] During specific use, first, the threaded sealing head 601 is twisted by hand to loosen and open it from the ejection hole 6 at the bottom of the lower mold 4. If the operation is reversed, it can be installed. Then, the second double-axis cylinder 14 is started to drive the rubber clamping plate 15 at its output end to fit and clamp the special-shaped injection molded part. Then, the ejection cylinder 10 is started to drive the ejection plate 101 at its output end to eject and demold the special-shaped injection molded part cooled and formed in the lower mold 4 through the ejection hole 6. At the same time, the first double-axis cylinder 11 is also started to drive the mounting plate 13 to move up and down, thereby improving the efficiency of demolding the special-shaped injection molded parts and increasing the stability during demolding.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for facilitating demoulding of special-shaped injection molded parts, comprising a base (1), characterized in that: A lower mold (4) is provided above the top of the base (1), and an upper mold (8) is provided on the top of the lower mold (4), sealing blocks (7) are fixedly installed at both ends of the bottom of the upper mold (8), and sealing grooves (5) are provided at both ends of the top of the lower mold (4), and the sealing grooves (5) are adapted to fit the sealing blocks (7); The bottom of the lower mold (4) is provided with three groups of ejection holes (6), and the internal sealing threads of the ejection holes (6) are installed with threaded sealing heads (601); the bottom center of the base (1) is provided with three groups of ejection cylinders (10) corresponding to the ejection holes (6) in sequence, and the output ends of the ejection cylinders (10) are fixedly connected with ejection plates (101); the two ends of the base (1) are provided with first double-axis cylinders (11), the output ends of the first double-axis cylinders (11) are clamped with mounting plates (13), the outer side of the mounting plates (13) is fixedly installed with second double-axis cylinders (14), and the output ends of the second double-axis cylinders (14) that penetrate the mounting plates (13) are fixedly connected with rubber clamping plates (15) for clamping special-shaped injection molded parts.

2. The injection mold for facilitating demoulding of special-shaped injection molded parts according to claim 1, characterized in that: Fixed rods (3) are fixedly installed around the bottom of the lower mold (4), and the fixed rods (3) are clamped in corresponding clamping grooves (2) provided on the top of the base (1).

3. The injection mold for facilitating demoulding of special-shaped injection molded parts according to claim 1, characterized in that: An injection port (9) is provided at the top center of the upper mold (8), and a column head (901) for closing the mold is clamped inside the injection port (9).

4. The injection mold for facilitating demoulding of special-shaped injection molded parts according to claim 1, characterized in that: A clamping seat (12) is fitted and clamped on both sides of the first dual-axis cylinder (11), and the bottom of the clamping seat (12) is fixedly mounted on the base (1).

5. The injection mold for facilitating demoulding of special-shaped injection molded parts according to claim 1, characterized in that: A connecting seat (16) is fixedly mounted at the center of the back side of the base (1), and a lifting cylinder (17) is fixedly mounted on the top of the connecting seat (16).

6. The injection mold for facilitating demoulding of special-shaped injection molded parts according to claim 5, characterized in that: The output end of the lifting cylinder (17) is fixedly connected to a fixing plate (18), and one side of the fixing plate (18) is fixedly connected to the back side of the upper mold (8).