A gas demoulding mold for a water tank of a ventilator
By designing gas channels and communication ports in the gas release mold of the water tank for ventilator, rapid release is achieved using gas pressure, which solves the problem of long time in the traditional demoulding method and improves production efficiency.
Patent Information
- Application Number
- CN202421515513.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-29
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-29
AI Technical Summary
The traditional method of demolding water tanks for ventilators takes a long time, especially when producing plastic parts with high flatness requirements, it is difficult to quickly demold.
A gas release mold is designed. Through the design of the gas channel and the communication port, the pushing block pushes the forming water tank during the demolding, so that the communication port connects the gas channel and the injection molding chamber. The gas quickly fills the molding water tank and the mould, separates the forming water tank and the mould, and achieves rapid demolding using gas pressure.
Fast mold release is achieved through gas pressure, which improves production efficiency and shortens the mold release time, and is suitable for producing plastic parts with high flatness requirements.
Smart Images

Figure CN222712715U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a gas demoulding mould for a water tank of a breathing machine. Background Art
[0002] Injection molding 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 and patterns, shapes from simple to complex, sizes from large to small, and precise product dimensions. 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 and processing fields.
[0003] The method is to stir the completely molten plastic material by a screw at a certain temperature, inject it into the mold cavity with high pressure, and obtain a molded product after cooling and solidification. It is suitable for mass production of ventilator water tanks and is one of the important processing methods for ventilator water tanks.
[0004] Traditional technology uses mechanical force, such as ejector pins, to release the molded part from the mold. Traditional demoulding methods take a long time, especially when producing plastic parts with high flatness requirements, and it is difficult to demould quickly.
[0005] Therefore, it is necessary to improve the gas demoulding mold of the existing breathing machine water tank to overcome the defects of the prior art. Utility Model Content
[0006] In order to overcome the problems existing in the related art, the purpose of the utility model is to provide a gas demoulding mold for a water tank of a ventilator to solve the problems existing in the prior art.
[0007] A gas demoulding mold for a water tank of a ventilator, comprising a male mold component, a female mold component and a fixed column, wherein the male mold component and the female mold component are movably matched through the fixed column, the male mold component and the female mold component are matched to form an injection cavity, and an injection port is provided on the female mold component, and the injection port is connected to the injection cavity;
[0008] The male mold assembly includes a punch, a push block and a gas channel. The male mold assembly has a top surface and a bottom surface. The punch is arranged on the top surface of the male mold assembly. The push block is arranged on the bottom edge of the punch and is used to push the molded part away from the punch during the demolding process. A connecting port is provided inside the push block. The outlet of the gas channel is connected to the connecting port, and the inlet of the gas channel is connected to a gas source.
[0009] Through the design of the gas channel and the connecting port, during demoulding, the pushing block pushes the molding water tank, and the connecting port connects the gas channel and the injection molding chamber. The gas quickly fills the space between the molding water tank and the punch, so that the molding water tank is separated from the punch, and the gas pressure is used to achieve rapid demoulding, thereby improving production efficiency.
[0010] Preferably, it also includes an elastic component and a push plate, the push plate is opposite to the bottom surface of the male mold component, the elastic component is arranged between the push plate and the male mold component, the elastic component connects the push plate and the male mold component, and a connecting column is also provided at the bottom of the push block, one end of the connecting column is connected to the push block, and the other end is connected to the push plate.
[0011] Preferably, the top surface of the male mold assembly extends upward to form a positioning groove, the female mold assembly protrudes toward the male mold assembly to form a positioning column, and the female mold assembly also includes a female mold, which is located at the center of the positioning column. The positioning column is precisely matched with the positioning groove, and the female mold and the male mold cooperate to form an injection molding chamber.
[0012] The precise alignment of the mold is ensured through the precise positioning grooves and positioning columns, which improves the accuracy and consistency of the molded parts.
[0013] Preferably, the elastic component is a spring, and the connecting column is arranged at the center of the spring.
[0014] Preferably, the communication port is arranged on a side surface of the pushing block close to the punch.
[0015] The connecting port on one side close to the punch can effectively ensure that the gas enters the inner wall of the water tank and fills the space between the inner wall of the water tank and the punch.
[0016] Preferably, two pushing blocks are symmetrically provided, and each pushing block is connected to two connecting pillars.
[0017] The two symmetrically arranged pushing blocks can effectively ensure the stability of the pushing process, and each pushing block chain connecting two connecting columns can effectively ensure the stability of the pushing block.
[0018] Preferably, the outlet of the gas passage is arranged on a side of the male mold component.
[0019] The gas channel arranged on the side of the male mold component can avoid affecting the working process of the mold.
[0020] Preferably, the male mold assembly further includes a temperature sensor, and the temperature sensor is disposed in the male mold.
[0021] The temperature sensor is arranged in the male mold component, which can effectively ensure the normal progress of the injection molding process and prevent the plastic from flowing into the gas channel in a flowing state due to excessive temperature.
[0022] The beneficial effects of the utility model are:
[0023] The utility model provides a gas demoulding mold for a water tank for a ventilator. The gas demoulding mold for the water tank for a ventilator is designed with a gas channel and a connecting port. During demoulding, a pushing block pushes a molding water tank, and the connecting port is connected to the gas channel and an injection molding chamber. The gas quickly fills the space between the molding water tank and the convex mold, so that the molding water tank is separated from the convex mold, and rapid demoulding is achieved by utilizing gas pressure, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 is a three-dimensional diagram of a gas demoulding mold of a water tank for a ventilator provided in an embodiment of the present application;
[0025] Figure 2 It is a cross-sectional view of a gas demoulding mold of a water tank for a ventilator provided in an embodiment of the present application.
[0026] Reference numerals:
[0027] 100, male mold assembly; 110, punch; 120, push block; 121, connecting port; 122, connecting column; 130, gas channel; 140, positioning groove; 200, female mold assembly; 210, injection port; 220, positioning column; 230, die; 300, fixing column; 400, elastic component; 500, push plate. DETAILED DESCRIPTION
[0028] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art. Example 1
[0029] As shown in the figure, this embodiment provides a gas demoulding mold for a water tank for a ventilator, and the gas demoulding mold for the water tank for a ventilator includes a male mold component 100, a female mold component 200 and a fixed column 300, wherein the male mold component 100 and the female mold component 200 are movably matched through the fixed column 300, and the male mold component 100 and the female mold component 200 cooperate to form an injection molding chamber, and an injection molding port 210 is provided on the female mold component 200, and the injection molding port 210 is connected to the injection molding chamber;
[0030] The male mold assembly 100 includes a punch 110, a push block 120 and a gas channel 130. The male mold assembly 100 has a top surface and a bottom surface. The punch 110 is arranged on the top surface of the male mold assembly 100. The push block 120 is arranged on the bottom edge of the punch 110 and is used to push the molded part away from the punch 110 during the demolding process. A connecting port 121 is arranged inside the push block 120. The outlet of the gas channel 130 is connected to the connecting port 121, and the inlet of the gas channel 130 is connected to a gas source.
[0031] Through the design of the gas channel 130 and the connecting port 121, when demolding, the pushing block 120 pushes the molding water tank, and the connecting port 121 connects the gas channel 130 and the injection molding chamber, and the gas quickly fills the space between the molding water tank and the punch 110, so that the molding water tank is separated from the punch 110, and the gas pressure is used to achieve rapid demolding, thereby improving production efficiency.
[0032] In this embodiment, an elastic component 400 and a push plate 500 are further included. The push plate 500 is directly opposite to the bottom surface of the male mold component 100. The elastic component 400 is arranged between the push plate 500 and the male mold component 100. The elastic component 400 connects the push plate 500 and the male mold component 100. A connecting column 122 is also provided at the bottom of the pushing block 120. One end of the connecting column 122 is connected to the pushing block 120, and the other end is connected to the push plate 500.
[0033] Specifically, in this embodiment, the elastic component 400 is a spring, and the connecting column 122 is disposed at the center of the spring.
[0034] The spring can make the push block 120 and the punch 110 move relative to each other.
[0035] Specifically, when the assembly is compressed, the spring is compressed, and the connecting column 122 supports the push block 120 to move the mold assembly toward the push plate 500, while the connecting column 122 makes the push block 120 no longer compressed, and the push block 120 and the punch 110 are relatively displaced, pushing the molded water tank to separate from the punch 110.
[0036] In this embodiment, the top surface of the male mold component 100 extends upward to form a positioning groove 140, and the female mold component 200 protrudes toward the male mold component 100 to form a positioning column 220. The female mold component 200 also includes a female mold 230, and the female mold 230 is located at the center of the positioning column 220. The positioning column 220 is precisely matched with the positioning groove 140, and the female mold 230 cooperates with the male mold 110 to form an injection chamber.
[0037] Specifically, the precise alignment of the mold is ensured by the cooperation of the precise positioning groove 140 and the positioning column 220, thereby improving the accuracy and consistency of the molded part.
[0038] In this embodiment, the communication port 121 is disposed on a side surface of the pushing block 120 close to the male mold 110 .
[0039] Specifically, the connecting port 121 on one side close to the punch 110 can effectively ensure that the gas enters the inner wall of the water tank and fills the space between the inner wall of the water tank and the punch 110 .
[0040] In this embodiment, two pushing blocks 120 are symmetrically provided, and each pushing block 120 is connected to two connecting pillars 122 .
[0041] Specifically, the two symmetrically arranged pushing blocks 120 can effectively ensure the stability of the pushing process, and each pushing block 120 is chain-connected to two connecting pillars 122 to effectively ensure the stability of the pushing block 120 .
[0042] In this embodiment, the outlet of the gas channel 130 is disposed on the side of the male mold assembly 100 .
[0043] The gas channel 130 disposed on the side of the male mold assembly 100 can avoid affecting the working process of the mold. Example 2
[0044] As shown in the figure, this embodiment provides a gas demoulding mold for a water tank for a ventilator, and the gas demoulding mold for the water tank for a ventilator includes a male mold component 100, a female mold component 200 and a fixed column 300, wherein the male mold component 100 and the female mold component 200 are movably matched through the fixed column 300, and the male mold component 100 and the female mold component 200 cooperate to form an injection molding chamber, and an injection molding port 210 is provided on the female mold component 200, and the injection molding port 210 is connected to the injection molding chamber;
[0045] The male mold assembly 100 includes a punch 110, a push block 120 and a gas channel 130. The male mold assembly 100 has a top surface and a bottom surface. The punch 110 is arranged on the top surface of the male mold assembly 100. The push block 120 is arranged on the bottom edge of the punch 110 and is used to push the molded part away from the punch 110 during the demolding process. A connecting port 121 is arranged inside the push block 120. The outlet of the gas channel 130 is connected to the connecting port 121, and the inlet of the gas channel 130 is connected to a gas source.
[0046] In this embodiment, an elastic component 400 and a push plate 500 are further included. The push plate 500 is directly opposite to the bottom surface of the male mold component 100. The elastic component 400 is arranged between the push plate 500 and the male mold component 100. The elastic component 400 connects the push plate 500 and the male mold component 100. A connecting column 122 is also provided at the bottom of the pushing block 120. One end of the connecting column 122 is connected to the pushing block 120, and the other end is connected to the push plate 500.
[0047] In this embodiment, the male mold assembly 100 further includes a temperature sensor, which is disposed in the male mold 110 .
[0048] This embodiment can effectively ensure the normal progress of the injection molding process by setting a temperature sensor in the male mold assembly 100, and prevent the plastic from flowing into the gas channel 130 in a flowing state due to excessive temperature. This effectively prevents the plastic from flowing into the gas channel 130 and blocking the gas channel 130, thereby ensuring the normal use of the mold.
[0049] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values of the parts and steps set forth in these embodiments do not limit the scope of the application. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a restriction. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in the subsequent accompanying drawings.
[0050] In addition, it should be noted that the use of terms such as "first" and "second" to limit is only for the convenience of distinction. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.
[0051] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A gas demoulding mold for a water tank for a breathing machine, characterized in that: The invention comprises a male mold component (100), a female mold component (200) and a fixing column (300); the male mold component (100) and the female mold component (200) are movably matched via the fixing column (300); the male mold component (100) and the female mold component (200) are matched to form an injection molding chamber; the female mold component (200) is provided with an injection molding port (210); the injection molding port (210) is connected to the injection molding chamber; The male mold assembly (100) comprises a male mold (110), a pushing block (120) and a gas channel (130). The male mold assembly (100) has a top surface and a bottom surface. The male mold (110) is arranged on the top surface of the male mold assembly (100). The pushing block (120) is arranged on the bottom edge of the male mold (110) and is used to push the molded part away from the male mold (110) during the demoulding process. A connecting port (121) is arranged inside the pushing block (120). The outlet of the gas channel (130) is connected to the connecting port (121), and the inlet of the gas channel (130) is connected to a gas source.
2. The gas demoulding mold for the water tank of the breathing machine according to claim 1, characterized in that: The invention also includes an elastic component (400) and a push plate (500), wherein the push plate (500) is directly opposite to the bottom surface of the male mold component (100), the elastic component (400) is arranged between the push plate (500) and the male mold component (100), and the elastic component (400) connects the push plate (500) and the male mold component (100). A connecting column (122) is also provided at the bottom of the pushing block (120), and one end of the connecting column (122) is connected to the pushing block (120), and the other end is connected to the pushing plate (500).
3. The gas demoulding mold for the water tank of the breathing machine according to claim 2, characterized in that: The top surface of the male mold component (100) extends upward to form a positioning groove (140), and the female mold component (200) protrudes toward the male mold component (100) to form a positioning column (220). The female mold component (200) also includes a concave mold (230), and the concave mold (230) is located at the center of the positioning column (220). The positioning column (220) is precisely matched with the positioning groove (140), and the concave mold (230) and the convex mold (110) cooperate to form an injection molding chamber.
4. The gas demoulding mold for the water tank of the breathing machine according to claim 3, characterized in that: The elastic component (400) is a spring, and the connecting column (122) is arranged at the center of the spring.
5. The gas demoulding mold for the water tank of the breathing machine according to claim 4, characterized in that: The communication port (121) is arranged on a side surface of the pushing block (120) close to the male mold (110).
6. The gas demoulding mold for the water tank of the breathing machine according to claim 5, characterized in that: Two pushing blocks (120) are symmetrically provided, and each pushing block (120) is connected to two connecting pillars (122).
7. The gas demoulding mold for the water tank of the breathing machine according to claim 6, characterized in that: The outlet of the gas channel (130) is arranged on the side of the male mold component (100).
8. The gas demoulding mold for the water tank of the breathing machine according to claim 7, characterized in that: The male mold assembly (100) further comprises a temperature sensor, wherein the temperature sensor is arranged in the male mold (110).