Low-bubble mold with cavity flow detection module

Abstract

The utility model discloses a low-bubble belt cavity flow detection module die in the technical field of precision dies, which comprises a lower die, a cavity is arranged at the center of the upper surface of the lower die, and an upper die is mounted at the top of the lower die. The lower mold is installed on the base and matched with the supporting spring on the base, vibration generated by the vibration unit and the supporting spring is transmitted to the lower mold, after the lower mold is covered with the upper mold, injection molding is conducted through the injection molding hole, and bubbles generated by injection molding are reduced through the vibration effect of the vibration unit and the supporting spring; meanwhile, gas generated by the bubbles is taken out and can be pumped away by the vacuum pump, so that the generation of the bubbles of the injection molding liquid in the cavity is reduced as much as possible, the problem that the bubbles exist in the injection molded product is effectively solved, and the influence of the generation of the bubbles on the quality of the molded product is avoided as much as possible.

Description

Technical Field

[0001] The utility model relates to the technical field of precision molds, in particular to a low-bubble cavity flow detection module mold. Background Art

[0002] Injection mold technology is a processing technology used to manufacture plastic products. It is to inject heated molten plastic into the mold through high pressure, and form the desired product shape after cooling. The advantages of injection mold technology include high production efficiency, low cost, short production cycle, stable product quality, etc. At present, during the injection molding process, the injection mold is prone to cause the pouring liquid to enter the mold to generate a large number of bubbles. If no debubbling treatment is taken, it is easy to cause a large number of bubbles to be generated on the surface and inside of the molded product, forming defective products and reducing the quality of the product after molding. In order to detect whether there is a bubble phenomenon, a flow detection module is usually set in the mold cavity to detect the bubble situation inside it, but it is difficult to remove or reduce the pouring liquid in the bubble state, which affects the use effect of the mold with the cavity flow detection module and directly reduces the working efficiency of the mold with the cavity flow detection module.

[0003] Therefore, it is necessary to develop a low-bubble cavity flow detection module mold. Utility Model Content

[0004] The purpose of the utility model is to provide a low-bubble cavity flow detection module mold, which installs a vibration unit on the end face of the lower mold, and installs the lower mold on a base, and matches the support spring on the base, so that the vibration generated by the vibration unit and the support spring is transmitted to the lower mold, and after the upper mold covers the lower mold, injection molding is carried out through the injection hole, and the bubbles generated by the injection molding are reduced by the vibration effect of the vibration unit and the support spring, and the gas generated by the bubbles is taken out and can be extracted by a vacuum pump, so as to minimize the generation of bubbles in the injection molding liquid in the cavity, effectively solve the problem of bubbles in the product after injection molding, and try to avoid the generation of bubbles affecting the quality of the product after molding, so as to solve the problem of bubbles in the product after injection molding proposed in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a low-bubble flow detection module mold with a cavity, comprising a lower mold, a cavity is opened at the center of the upper surface of the lower mold, and an upper mold is installed on the top of the lower mold;

[0006] A top plate is installed on the top of the upper mold, and a base is installed below the lower mold.

[0007] Preferably, a flow detection module is provided at the lower part of the cavity, a bottom plate is installed at the bottom of the lower mold, and hydraulic cylinders are installed on both sides of the top of the bottom plate.

[0008] Preferably, side plates are installed on both sides of the bottom of the base plate, a limit block is provided on one outer wall of the side plate, and a vibration unit is installed on the front end surface of the lower mold.

[0009] Preferably, the lower outer wall of the upper mold is slidably connected to the upper inner wall of the lower mold, and an injection hole is opened at the inner center position of the upper mold.

[0010] Preferably, vacuum pumps are installed on both sides of the top of the top plate, and a vacuum pipe is installed on the vacuum end of the vacuum pump.

[0011] Preferably, a connecting pipe is installed at one end of the exhaust pipe, and the connecting pipe is arranged inside the upper mold.

[0012] Preferably, L-shaped brackets are installed on both sides of the top of the base, and limiting grooves are provided on the surfaces of the L-shaped brackets. U-shaped brackets are installed above the opposite sides of the two groups of L-shaped brackets.

[0013] Preferably, telescopic columns are provided on both sides of the bottom of the U-shaped frame, the bottom of the telescopic columns is fixedly connected to the top of the base, and a support spring is installed at the center of the bottom of the U-shaped frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By installing the vibration unit on the end face of the lower mold, and installing the lower mold on the base, with the support spring on the base, the vibration generated by the vibration unit and the support spring is transmitted to the lower mold. After the upper mold covers the lower mold, injection molding is performed through the injection hole. The bubbles generated by the injection molding are reduced by the vibration effect of the vibration unit and the support spring. At the same time, the gas generated by the bubbles can be extracted by a vacuum pump to minimize the generation of bubbles in the injection liquid in the cavity. The problem of bubbles in the product after injection molding is effectively solved, and the generation of bubbles is avoided as much as possible to affect the quality of the product after molding. The use effect of the low-bubble belt cavity flow detection module mold is effectively improved, and the work efficiency of the low-bubble belt cavity flow detection module mold is directly and effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A front cross-sectional view provided for the utility model;

[0017] Figure 2 A front view provided for the utility model;

[0018] Figure 3The utility model provides Figure 1 A magnified view of the structure at A;

[0019] Figure 4 This is a partial structural decomposition schematic diagram provided by the utility model.

[0020] In the figure: 1. lower mold; 101. cavity; 102. flow detection module; 103. bottom plate; 104. hydraulic cylinder; 105. side plate; 106. limit block; 107. vibration unit; 2. upper mold; 201. injection hole; 3. top plate; 301. vacuum pump; 302. exhaust pipe; 303. connecting pipe; 4. base; 401. L-shaped bracket; 402. limit groove; 403. U-shaped frame; 404. telescopic column; 405. support spring. 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] The utility model provides the following technical solutions: a low-bubble cavity flow detection module mold, please refer to Figure 1-4 , including a lower mold 1, a cavity 101 is opened at the center of the upper surface of the lower mold 1, and a flow detection module 102 is arranged below the cavity 101. The flow detection module 102 is arranged inside the cavity 101 on the lower mold 1. The module is usually composed of a belt cavity and a flow sensor. The flow rate is determined by measuring the speed and pressure of the fluid passing through the belt cavity. The belt cavity flow detection module can accurately measure various types of fluids, such as liquids, gases and steam, and is widely used in chemical, petroleum, food processing and other fields. It has the characteristics of high precision, stability and reliability, and can help users monitor the fluid flow in real time and make effective The bottom of the lower mold 1 is provided with a bottom plate 103, and hydraulic cylinders 104 are installed on both sides of the top of the bottom plate 103. Side plates 105 are installed on both sides of the bottom of the bottom plate 103. A limit block 106 is provided on one side outer wall of the side plate 105. A vibration unit 107 is installed on the front end surface of the lower mold 1. The vibration unit 107 is installed on the end surface of the lower mold 1. According to the vibration unit 107 having a certain high-frequency vibration effect, the vibration unit 107 is used to vibrate the lower mold 1. The top of the lower mold 1 is provided with an upper mold 2. The lower outer wall of the upper mold 2 is slidably connected with the upper inner wall of the lower mold 1. An injection hole 201 is provided at the inner center of the upper mold 2.

[0023] A top plate 3 is installed on the top of the upper mold 2, and vacuum pumps 301 are installed on both sides of the top of the top plate 3. An exhaust pipe 302 is installed on the exhaust end of the vacuum pump 301, and a connecting pipe 303 is installed on one end of the exhaust pipe 302. The connecting pipe 303 is arranged inside the upper mold 2. The top plate 3 on the top of the upper mold 2 is fixed to the output end of the hydraulic cylinder 104 on the bottom plate 103, so that the hydraulic cylinder 104 drives the upper mold 2 to open and place it. By installing the exhaust pipe 302 on the exhaust end of the vacuum pump 301 on the top plate 3, and connecting the exhaust pipe 302 to the connecting pipe 303 inside the upper mold 2, after the upper mold 2 and the lower mold 1 are combined, the vacuum pump 301 can extract the air in the cavity 101 to maintain a vacuum state;

[0024] A base 4 is installed below the lower mold 1, and L-shaped brackets 401 are installed on both sides of the top of the base 4. A limiting groove 402 is provided on the surface of the L-shaped bracket 401. The bottom of the bottom plate 103 on the lower mold 1 is slidably arranged between the L-shaped brackets 401 on the base 4 by two sets of side plates 105 and limiting blocks 106, and is slidably connected with the limiting grooves 402 on the L-shaped bracket 401, so that the lower mold 1 can be moved up and down on the base 4, and is limited by the limiting blocks 106. To prevent the detachment from happening, a U-shaped frame 403 is installed above the opposite sides of the two groups of L-shaped brackets 401, and telescopic columns 404 are arranged on both sides of the bottom of the U-shaped frame 403, and the bottom of the telescopic column 404 is fixedly connected to the top of the base 4, and a supporting spring 405 is installed at the center of the bottom of the U-shaped frame 403. Multiple groups of U-shaped frames 403 are installed on the bottom of the bottom plate 103, and the telescopic columns 404 on the base 4 are fixed to the bottom of the U-shaped frame 403. A support spring 405 is installed between the upper and lower molds. The support spring 405 has a supporting function. The supporting effect of the support spring 405 must be greater than the weight of the above components. The support spring 405 is mostly a metal spring, and the rigidity value of the metal spring is usually large, which can reach thousands of N / m or even higher. Its main purpose is not to affect the normal operation of the upper components. The support spring 405 has a certain supporting and elastic vibration effect. It is matched with a vibration unit 107 so that the vibration generated by the vibration unit 107 and the support spring 405 is transmitted to the lower mold 1. After the upper mold 2 covers the lower mold 1, injection molding is carried out through the injection hole 201. The bubbles generated by the injection molding are reduced by the vibration effect of the vibration unit 107 and the support spring 405. At the same time, the gas generated by the bubbles can be extracted by the vacuum pump 301 to minimize the generation of bubbles in the injection liquid in the cavity 101, effectively solving the problem of bubbles in the product after injection molding and avoiding the generation of bubbles to affect the quality of the product after molding.

[0025] Working principle: When using the utility model, a flow detection module 102 is set inside the cavity 101 on the lower mold 1. The module is usually composed of a belt cavity and a flow sensor. The flow rate is determined by measuring the speed and pressure of the fluid passing through the belt cavity. The belt cavity flow detection module can accurately measure various types of fluids, such as liquids, gases and steam. It is widely used in chemical, petroleum, food processing and other fields. It has the characteristics of high precision, stability and reliability, and can help users monitor the fluid flow in real time and effectively control it. By installing a vibration unit 107 on the end face of the lower mold 1, the vibration unit 107 has a certain high-frequency vibration effect, so that it can vibrate the lower mold 1. By The top plate 3 on the top of the mold 2 is installed and fixed at the output end of the hydraulic cylinder 104 on the bottom plate 103, so that it is driven by the hydraulic cylinder 104 to control the opening and placement of the upper mold 2. By installing an exhaust pipe 302 at the exhaust end of the vacuum pump 301 on the top plate 3, and connecting the exhaust pipe 302 to the connecting pipe 303 inside the upper mold 2, after the upper mold 2 and the lower mold 1 are combined, the vacuum pump 301 can extract the air in the cavity 101 to maintain a vacuum state. The bottom of the bottom plate 103 on the lower mold 1 is slidably arranged between the L-shaped bracket 401 on the base 4 by two sets of side plates 105 and limit blocks 106, and it is slidably connected with the limit groove 402 on the L-shaped bracket 401, so that the lower mold 1 can be on the base 4. The upper and lower parts are moved up and down, and the limit block 106 is used for limit processing to prevent separation. Multiple sets of U-shaped frames 403 are installed at the bottom of the base plate 103, and the telescopic columns 404 on the base 4 are fixed at the bottom of the U-shaped frame 403. Support springs 405 are installed between the telescopic columns 404. The support springs 405 have a supporting function. The support effect of the support springs 405 must be greater than the weight of the above components. The support springs 405 are mostly metal springs, and the rigidity of metal springs is usually large, which can reach thousands of N / m or even higher. The main purpose is not to affect the normal operation of the upper components. The support springs 405 have a certain support and elastic vibration effect, and are used in conjunction with the vibration unit. 107, so that the vibration generated by the vibration unit 107 and the supporting spring 405 is transmitted to the lower mold 1. After the upper mold 2 covers the lower mold 1, injection molding is carried out through the injection hole 201. The bubbles generated by the injection molding are reduced by the vibration effect of the vibration unit 107 and the supporting spring 405. At the same time, the gas generated by the bubbles can be extracted by the vacuum pump 301 to minimize the bubble generation of the injection liquid in the cavity 101, which effectively solves the problem of bubbles in the product after injection molding, and avoids the generation of bubbles to affect the quality of the product after molding, effectively improves the use effect of the low-bubble belt cavity flow detection module mold, and directly and effectively improves the work efficiency of the low-bubble belt cavity flow detection module mold.

[0026] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A low-bubble flow detection module mold with a cavity, comprising a lower mold (1), a cavity (101) is opened at the center of the upper surface of the lower mold (1), a flow detection module (102) is arranged below the cavity (101), a bottom plate (103) is installed at the bottom of the lower mold (1), hydraulic cylinders (104) are installed on both sides of the top of the bottom plate (103), side plates (105) are installed on both sides of the bottom of the bottom plate (103), a limit block (106) is arranged on one side of the outer wall of the side plate (105), and a vibration unit (107) is installed on the front end surface of the lower mold (1), characterized in that: An upper mold (2) is installed on the top of the lower mold (1); A top plate (3) is installed on the top of the upper mould (2), vacuum pumps (301) are installed on both sides of the top of the top plate (3), a vacuum pipe (302) is installed on the vacuum end of the vacuum pump (301), and a base (4) is installed below the lower mould (1).

2. A low-bubble cavity flow detection module mold according to claim 1, characterized in that: The lower outer wall of the upper mold (2) is slidably connected to the upper inner wall of the lower mold (1), and an injection hole (201) is provided at the inner center of the upper mold (2).

3. The low-bubble cavity flow detection module mold according to claim 1, characterized in that: A connecting pipe (303) is installed at one end of the exhaust pipe (302), and the connecting pipe (303) is arranged inside the upper mold (2).

4. The low-bubble cavity flow detection module mold according to claim 1, characterized in that: L-shaped brackets (401) are installed on both sides of the top of the base (4), and limiting grooves (402) are provided on the surfaces of the L-shaped brackets (401). U-shaped brackets (403) are installed above the opposite sides of the two groups of L-shaped brackets (401).

5. The low-bubble cavity flow detection module mold according to claim 4, characterized in that: Telescopic columns (404) are provided on both sides of the bottom of the U-shaped frame (403); the bottom of the telescopic columns (404) is fixedly connected to the top of the base (4); and a support spring (405) is installed at the center of the bottom of the U-shaped frame (403).

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