Core pulling mechanism of precision mold

By designing a precision mold core extraction mechanism and using the moving mechanism of hydraulic rods and modules, the problem of difficulty in cutting existing molds is solved, and a more efficient cutting and production process is achieved.

CN222495232UActive Publication Date: 2025-02-18SUZHOU HAITUN PLASTIC MOULD CO LTD
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Patent Information

Application Number
CN202421121538.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-02-18
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing molds lack a core extraction mechanism, which leads to sticking to the mold after solidification of liquid materials, making it difficult to cut and reduces the cutting and production efficiency.

Method used

A precision mold core extraction mechanism is designed, including components such as shell, hydraulic rod, module and slide rod. The module is driven to move through the hydraulic rod, and the material is ejected using the pin and pads to achieve the discharge.

Benefits of technology

The core extraction mechanism can facilitate unloading, improve the unloading efficiency and production efficiency, and meet the usage needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of molds, and discloses a precise mold core-pulling mechanism which comprises a shell, a hydraulic rod is fixedly connected to the interior of the shell, a left mold block is fixedly connected to the right side of the hydraulic rod, a middle mold block is clamped to the right side of the left mold block, and a right mold block is clamped to the right side of the middle mold block. A top rod is movably connected to the interior of the left module, a vertical block is clamped to the right side of the right module, a spring is fixedly connected to the interior of the vertical block, an extension block is fixedly connected to the left side of the spring, and a sliding rod is slidably connected to the interior of the extension block. The precise mold core-pulling mechanism has the advantages of being convenient to discharge and the like, and solves the problems that after a liquid material is injected into a mold, the liquid material is adhered to the mold after being solidified due to the fact that most existing molds are not provided with core-pulling mechanisms, the material is difficult to discharge, the discharge efficiency is reduced, and the production efficiency is reduced; and the use requirements cannot be well met.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a precision mold core-pulling mechanism. Background Art

[0002] A mold is a tool used in industrial production to obtain various molds of the desired products by methods such as injection molding, blow molding, extrusion, die-casting or forging, smelting, and stamping. The most common mold is to inject liquid material into the mold through an injection molding machine so that the liquid material can be formed into the desired shape after solidification.

[0003] After the liquid material is injected into the mold, most of the existing molds do not have a core-pulling mechanism, which causes the liquid material to stick to the mold after solidification, making it difficult to discharge the material, reducing the discharge efficiency and thus reducing the production efficiency, and cannot meet the use requirements well. Therefore, a precision mold core-pulling mechanism is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a precision mold core-pulling mechanism, which has the advantages of easy material feeding, etc., and solves the problem that after the liquid material is injected into the mold, the liquid material sticks to the mold after solidification, making it difficult to feed the material, reducing the feeding efficiency and thus the production efficiency, and failing to meet the usage requirements well.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem through the following technical solution: a precision mold core pulling mechanism, comprising a shell, a hydraulic rod fixedly connected to the inside of the shell, a left module fixedly connected to the right side of the hydraulic rod, a middle module clamped to the right side of the left module, a right module clamped to the right side of the middle module, a push rod movably connected to the inside of the left module, a vertical block clamped to the right side of the right module, a spring fixedly connected to the inside of the vertical block, an extension block fixedly connected to the left side of the spring, and a slide rod slidably connected to the inside of the extension block.

[0008] The beneficial effect of the utility model is that the left module can drive the material to move to the left through the hydraulic rod, and then the material is ejected through the ejector rod and the cushion block, thereby completing the unloading.

[0009] The precision mold core-pulling mechanism has the advantage of being easy to cut materials.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, a vertical block is fixedly connected to the right side of the slide bar, and a limiting block is fixedly connected to the left side of the slide bar.

[0012] The beneficial effect of adopting the above further solution is that the slide bar can be fixed by the vertical block.

[0013] Furthermore, an extension block is fixedly connected to the top of the right module, and a feed pipe is fixedly connected to the inside of the vertical block.

[0014] The beneficial effect of adopting the above further solution is that the fluid material can enter the interior of the module through the feed pipe.

[0015] Furthermore, an injection molding machine is provided on the right side of the feed pipe, and a long rod is fixedly connected to the opposite side of the shell and the vertical block.

[0016] The beneficial effect of adopting the above further solution is that liquid material can be injected into the feed pipe through the injection molding machine.

[0017] Furthermore, the number of the long rods is two and they are symmetrically arranged front to back, and the outer sides of the long rods are slidably connected with the left module, the middle module and the right module.

[0018] The beneficial effect of adopting the above further solution is that the left module, the middle module and the right module can be moved horizontally through the long rod.

[0019] Furthermore, a cushion block is fixedly connected to the right side of the shell, and the cushion block is adapted to the push rod.

[0020] The beneficial effect of adopting the above further solution is that the ejector rod can eject the material through the cushion block. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 This is a front view of the connection structure between the housing and the cushion block of the utility model;

[0023] Figure 3 It is a top view of the connection structure between the housing and the hydraulic rod of the utility model;

[0024] Figure 4 It is a right view of the connection structure between the vertical block and the feed pipe of the utility model.

[0025] In the figure: 1. Shell; 2. Hydraulic rod; 3. Left module; 4. Middle module; 5. Right module; 6. Push rod; 7. Vertical block; 8. Spring; 9. Extension block; 10. Sliding rod; 11. Limit block; 12. Feed pipe; 13. Injection molding machine; 14. Long rod; 15. Cushion block. DETAILED DESCRIPTION

[0026] 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.

[0027] In the embodiment, Figure 1-4 A precision mold core pulling mechanism is provided. The utility model comprises a shell 1, a hydraulic rod 2 is fixedly connected inside the shell 1, a left module 3 is fixedly connected to the right side of the hydraulic rod 2, a middle module 4 is clamped to the right side of the left module 3, a right module 5 is clamped to the right side of the middle module 4, a top rod 6 is movably connected inside the left module 3, a vertical block 7 is clamped to the right side of the right module 5, a spring 8 is fixedly connected inside the vertical block 7, an extension block 9 is fixedly connected to the left side of the spring 8, and a slide rod 10 is slidably connected inside the extension block 9;

[0028] The right side of the slide bar 10 is fixedly connected with a vertical block 7, and the left side of the slide bar 10 is fixedly connected with a limiting block 11;

[0029] The slide bar 10 can be fixed by means of the vertical block 7;

[0030] The top of the right module 5 is fixedly connected with an extension block 9, and the interior of the vertical block 7 is fixedly connected with a feed pipe 12;

[0031] Through the feed pipe 12, the fluid material can enter the interior of the module;

[0032] An injection molding machine 13 is provided on the right side of the feed pipe 12, and a long rod 14 is fixedly connected to the housing 1 on the opposite side of the vertical block 7;

[0033] Through the injection molding machine 13, the liquid material can be injected into the feeding pipe 12;

[0034] There are two long rods 14 which are symmetrically arranged front to back, and the outer side of the long rods 14 is slidably connected with the left module 3, the middle module 4 and the right module 5;

[0035] The left module 3, the middle module 4 and the right module 5 can move horizontally through the long rod 14;

[0036] A cushion block 15 is fixedly connected to the right side of the housing 1, and the cushion block 15 is adapted to the top rod 6;

[0037] The spacer block 15 enables the ejector rod 6 to eject the material.

[0038] Working principle:

[0039] Step 1: inject the liquid material into the left module 3, the middle module 4 and the right module 5 through the injection molding machine 13 and the feed pipe 12. When the materials inside the module are filled, stop the injection and wait for the inside of the module to cool down.

[0040] Step 2: Then start the hydraulic rod 2, so that the hydraulic rod 2 drives the left module 3 to move left, and then the spring 8 moves the extension block 9 to the left through the slide rod 10. When the left module 3 continues to move left, it drives the material to move left, and then the push rod 6 is moved to the right through the cushion block 15, so that the material is ejected through the push rod 6.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although 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. A precision mold core pulling mechanism, comprising a housing (1), characterized in that: The housing (1) is fixedly connected to a hydraulic rod (2), the right side of the hydraulic rod (2) is fixedly connected to a left module (3), the right side of the left module (3) is clamped with a middle module (4), the right side of the middle module (4) is clamped with a right module (5), the left module (3) is movably connected to a top rod (6), the right side of the right module (5) is clamped with a vertical block (7), the vertical block (7) is fixedly connected to a spring (8), the left side of the spring (8) is fixedly connected to an extension block (9), and the extension block (9) is slidably connected to a slide rod (10).

2. A precision mold core pulling mechanism according to claim 1, characterized in that: The right side of the slide bar (10) is fixedly connected to a vertical block (7), and the left side of the slide bar (10) is fixedly connected to a limiting block (11).

3. A precision mold core pulling mechanism according to claim 1, characterized in that: An extension block (9) is fixedly connected to the top of the right module (5), and a feed pipe (12) is fixedly connected to the inside of the vertical block (7).

4. A precision mold core pulling mechanism according to claim 3, characterized in that: An injection molding machine (13) is provided on the right side of the feed pipe (12), and a long rod (14) is fixedly connected to the housing (1) on the side opposite to the vertical block (7).

5. A precision mold core pulling mechanism according to claim 4, characterized in that: The number of the long rods (14) is two and they are arranged symmetrically front to back. The outer sides of the long rods (14) are slidably connected with the left module (3), the middle module (4) and the right module (5).

6. A precision mold core pulling mechanism according to claim 1, characterized in that: A cushion block (15) is fixedly connected to the right side of the housing (1), and the cushion block (15) is compatible with the top rod (6).