Plastic mold with built-in pneumatic separation structure

By using a plastic mold with a built-in pneumatic separation structure and a magnetic induction switch to control the air pump, the molded product can be quickly separated from the fixed mold and the surface of the fixed mold can be cleaned. This solves the problems of difficult separation and residue residue in traditional molds, and improves the service life of the mold and the quality of the product.

CN223671752UActive Publication Date: 2025-12-16FOSHAN SHUNDE NINGYI PRECISION PLASTIC IND CO LTD
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Patent Information

Application Number
CN202520037557.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-16
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Traditional mold separation methods suffer from problems such as difficulty in separating molded products, high damage rate, and residual mold residue, which affect mold life and product quality.

Method used

It adopts a built-in pneumatic separation structure, uses a magnetic induction switch to control the air pump to start, and uses gas to drive the top plate and ejector rod to achieve rapid separation of the molded product from the fixed mold, and uses the air port on the ejector rod to clean the surface of the fixed mold.

Benefits of technology

It improves the demolding efficiency of the mold, reduces damage to the molded products, extends the service life of the mold, and prevents residue from remaining on the surface of the fixed mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a plastic mold with a built-in pneumatic separation structure. The plastic mold comprises a base and a fixed mold arranged on the base, a sliding rod is arranged on the base, a movable mold is arranged on the sliding rod in a sliding mode, a supporting plate is arranged in the fixed mold, and an air cylinder and an air pump are arranged on the base. The top plate is arranged on the supporting plate in a sliding mode, and the air pump jacks up the top plate; the magnetic induction switch is arranged in the fixed mold, and when the top plate is close to the magnetic induction switch, the air pump is started; when the magnet on the top plate enters the induction range of the magnetic induction switch, the air pump is started, air is supplied to the X-shaped connecting pipe through the air inlet pipe, then air is injected into the ejector rod through the air outlet pipe, a formed product is jacked up and rapidly separated from the fixed mold, in the process, the demolding efficiency of the mold is greatly improved, and damage to the formed product is reduced; and the multiple air ports in the ejector rod continuously discharge air to clean the surface of the fixed mold, so that residues are prevented from remaining in the fixed mold, and the service life of the mold is prolonged.
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Description

Technical Field

[0001] This utility model belongs to the field of mold technology, specifically relating to a plastic mold with a built-in pneumatic separation structure. Background Technology

[0002] Plastic molds are tools used to mold plastic products. They consist of multiple parts, including a fixed mold and a moving mold. Through precise design and manufacturing, molten plastic can be injected into the mold cavity under the pressure of an injection molding machine. After cooling and solidification, plastic products of the required shape and size are obtained.

[0003] Traditional mold separation methods often have many problems. For example, it is difficult to separate the molded part from the fixed mold when the mold is opened, which can easily lead to damage to the molded part. In addition, the separation efficiency is low. At the same time, residues are easily left on the surface of the fixed mold, which affects the service life of the mold and the quality of the product. Utility Model Content

[0004] The purpose of this invention is to provide a plastic mold with a built-in pneumatic separation structure for rapid separation in order to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A plastic mold with a built-in pneumatic separation structure includes a base and a fixed mold disposed on the base. A slide rod is disposed on the base, and a moving mold is slidably disposed on the slide rod. A support plate is disposed inside the fixed mold, and a cylinder and an air pump are disposed on the base.

[0007] It also includes:

[0008] A top plate, which is slidably mounted on a support plate, is lifted up by an air pump;

[0009] A magnetic induction switch is installed inside the fixed mold. When the top plate approaches the magnetic induction switch, the air pump is activated.

[0010] An air outlet pipe is installed on the support plate. When the air pump is started, the air outlet pipe injects gas into the top plate.

[0011] As a further optimization of this utility model, a magnet is provided on one side of the top plate, and a push rod is provided on the top plate. The push rod is slidably disposed on the fixed mold, and multiple air ports are evenly opened on the push rod.

[0012] As a further optimization of this utility model, the magnet is disposed diagonally below the magnetic induction switch, and the magnetic induction switch is electrically connected to the air pump.

[0013] As a further optimization scheme of the utility model, the top rod is sleeved on the air outlet pipe, X-shaped connecting pipes are arranged between the air outlet pipes, air inlet pipes are arranged on the X-shaped connecting pipes, and the air inlet pipes are connected with the air pump.

[0014] As a further optimization scheme of the utility model, the support plate is provided with fixing frames on both sides, the support plate is connected with the fixed mold through the fixing frames, the X-shaped connecting pipes are arranged in the support plate, and the top plate is slidably connected with the support plate through the air outlet pipes.

[0015] As a further optimization scheme of the utility model, the cylinder output end penetrates the fixed mold, the cylinder output end is provided with a connecting frame, and the connecting frame is connected with the top plate after penetrating the support plate.

[0016] The utility model has the advantages of:

[0017] Different from the prior art, in actual use, when the magnet on the top plate enters the induction range of the magnetic induction switch, the air pump is started, air is supplied to the X-shaped connecting pipes through the air inlet pipes, and then the air outlet pipes inject gas into the top rod, the formed product is lifted and separated from the fixed mold quickly, the demolding efficiency of the mold is greatly improved, the damage of the formed product is reduced, secondly, the multiple air ports on the top rod continuously discharge air, the surface of the fixed mold is cleaned, the residual residues are prevented from remaining in the fixed mold, and the service life of the mold is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the fixed mold local section structure schematic diagram of the utility model;

[0020] Figure 3 It is the utility model Figure 2 The enlarged structure schematic diagram of A place in the utility model;

[0021] Figure 4 It is the support plate and top plate explosion structure schematic diagram of the utility model;

[0022] Figure 5 It is the air pipe connecting structure schematic diagram of the utility model.

[0023] In the drawing: 1, base; 11, sliding rod; 2, fixed mold; 3, movable mold; 4, top plate; 41, magnet; 42, top rod; 43, air port; 5, support plate; 51, fixing frame; 6, magnetic induction switch; 7, air outlet pipe; 71, X-shaped connecting pipe; 72, air inlet pipe; 8, cylinder; 81, connecting frame; 9, air pump. DETAILED DESCRIPTION

[0024] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content. Example

[0025] like Figure 1 - Figure 5 As shown, a plastic mold with a built-in pneumatic separation structure includes a base 1 and a fixed mold 2 disposed on the base 1. A slide rod 11 is disposed on the base 1, and a moving mold 3 is slidably disposed on the slide rod 11. A support plate 5 is disposed inside the fixed mold 2, and a cylinder 8 and an air pump 9 are disposed on the base 1.

[0026] It also includes:

[0027] Top plate 4 is slidably mounted on support plate 5, and air pump 9 lifts top plate 4.

[0028] Magnetic induction switch 6 is installed inside the fixed mold 2. When the top plate 4 is close to the magnetic induction switch 6, the air pump 9 is activated.

[0029] The air outlet pipe 7 is installed on the support plate 5. When the air pump 9 is started, the air outlet pipe 7 injects gas into the top plate 4.

[0030] A magnet 41 is provided on one side of the top plate 4, and a push rod 42 is provided on the top plate 4 to lift the molded product, so that a certain space is formed between the molded product and the fixed mold 2. The push rod 42 is slidably disposed on the fixed mold 2. Multiple air ports 43 are evenly opened on the push rod 42. The air ports 43 inject gas into the space between the molded product and the fixed mold 2, so as to promote the rapid separation of the molded product from the fixed mold 2 and clean the surface of the fixed mold 2 to prevent residue from remaining in the fixed mold 2.

[0031] Magnet 41 is positioned diagonally below magnetic induction switch 6. Magnetic induction switch 6 is electrically connected to air pump 9. Magnetic induction switch 6 can sense the approach of magnet 41 on top plate 4, thereby controlling the start of air pump 9.

[0032] The top rod 42 is sleeved on the air outlet pipe 7. An X-shaped connecting pipe 71 is provided between the air outlet pipes 7. An air inlet pipe 72 is provided on the X-shaped connecting pipe 71. The air inlet pipe 72 is connected to the air pump 9. The air pipe 7 provides a moving guide for the top plate 4.

[0033] The support plate 5 is provided with fixed frames 51 on both sides. The support plate 5 is connected to the fixed mold 2 through the fixed frames 51. The X-shaped connecting pipe 71 is set in the support plate 5. The top plate 4 is slidably connected to the support plate 5 through the air outlet pipe 7. The cooperation between the support plate 5 and the air outlet pipe 7 provides support and guidance for the sliding of the top plate 4, ensuring the smooth movement of the top plate 4 during the working process.

[0034] The output end of the cylinder 8 penetrates the fixed mold 2, and the output end of the cylinder 8 is provided with a connecting frame 81, which is connected with the top plate 4 after penetrating the supporting plate 5.

[0035] It should be noted that the working principle of the plastic mold with the built-in pneumatic separation structure is as follows: when the mold needs to be opened, the output end of the cylinder 8 pushes the top plate 4 to slide on the supporting plate 5 through the connecting frame 81, and as the top plate 4 moves, the magnet 41 arranged on the top plate 4 gradually approaches the magnetic induction switch 6, and once the magnet 41 enters the induction range of the magnetic induction switch 6, the magnetic induction switch 6 starts the air pump 9, the air pump 9 supplies air to the X-shaped connecting pipe 71 through the air inlet pipe 72, and then the air is injected into the top rod 42 on the top plate 4 through the air outlet pipe 7 arranged on the supporting plate 5. At this time, the top rod 42 has lifted the molded product, so that a certain space is formed between the molded product and the fixed mold 2, and the multiple air ports 43 on the top rod 42 inject air into the space, so as to quickly separate the molded product from the fixed mold 2. The subsequent air ports 43 continue to exhaust air to clean the surface of the fixed mold 2, so as to prevent residues from being left in the fixed mold 2. Until the top plate 4 is lowered, the magnet 41 is out of the induction range of the magnetic induction switch 6, and the air pump 9 stops working. The entire pneumatic separation process controls the start and stop of the air pump 9 by the magnetic induction switch 6, so as to realize automatic operation.

[0036] The above-described embodiments only express several embodiments of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A plastic mold with a built-in pneumatic separation structure, comprising a base (1) and a fixed mold (2) disposed on the base (1), wherein a slide rod (11) is disposed on the base (1), and a movable mold (3) is slidably disposed on the slide rod (11), characterized in that: A support plate (5) is provided inside the fixed mold (2), and a cylinder (8) and an air pump (9) are provided on the base (1); It also includes: Top plate (4), which is slidably mounted on support plate (5), and air pump (9) lifts the top plate (4); A magnetic induction switch (6) is installed inside the fixed mold (2). When the top plate (4) approaches the magnetic induction switch (6), the air pump (9) is activated. The air outlet pipe (7) is installed on the support plate (5). When the air pump (9) is started, the air outlet pipe (7) injects gas into the top plate (4).

2. The plastic mold with a built-in pneumatic separation structure according to claim 1, characterized in that: A magnet (41) is provided on one side of the top plate (4), and a push rod (42) is provided on the top plate (4). The push rod (42) is slidably disposed on the fixed mold (2), and multiple air ports (43) are evenly opened on the push rod (42).

3. A plastic mold with a built-in pneumatic separation structure according to claim 2, characterized in that: The magnet (41) is positioned diagonally below the magnetic induction switch (6), which is electrically connected to the air pump (9).

4. A plastic mold with a built-in pneumatic separation structure according to claim 2, characterized in that: The top rod (42) is sleeved on the air outlet pipe (7), and an X-shaped connecting pipe (71) is provided between the air outlet pipes (7). An air inlet pipe (72) is provided on the X-shaped connecting pipe (71), and the air inlet pipe (72) is connected to the air pump (9).

5. A plastic mold with a built-in pneumatic separation structure according to claim 4, characterized in that: The support plate (5) is provided with a fixing frame (51) on both sides. The support plate (5) is connected to the fixed mold (2) through the fixing frame (51). The X-shaped connecting pipe (71) is provided in the support plate (5). The top plate (4) is slidably connected to the support plate (5) through the air outlet pipe (7).

6. A plastic mold with a built-in pneumatic separation structure according to claim 1, characterized in that: The output end of the cylinder (8) passes through the fixed mold (2), and the output end of the cylinder (8) is provided with a connecting frame (81). The connecting frame (81) passes through the support plate (5) and is connected to the top plate (4).