Injection mold with guiding and discharging functions

Abstract

The utility model provides an injection mold with a guiding and discharging function, which relates to the technical field of injection molds, and comprises a lower mold and a material guiding mechanism, the outer side of the lower mold is fixedly connected with a lower mold outer edge, and the material guiding mechanism is arranged below the lower mold. The material guiding mechanism comprises an air compressor, an air guiding pipe, a telescopic air bin and a mold sealing assembly, the air compressor is arranged on one side of the lower portion of the material guiding mechanism, the air guiding pipe is arranged on one side of the air compressor, the telescopic air bin is arranged above the air guiding pipe, and the mold sealing assembly is arranged above the telescopic air bin. During use, the air compressor compresses air, the compressed air is injected into the telescopic air bin through the air guide pipe, then the air is blown into the lower mold through the telescopic air bin, formed plastic is separated from the mold, demolding is conducted through the compressed air, adhesion of a plastic product and the material guide mechanism is reduced, and the compressed air can provide thrust for the plastic product to be separated from the mold; and the demolding effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with a guiding discharge function. Background Art

[0002] When using an injection mold, the existing mold usually requires manual removal of the product after injection molding, and the removal efficiency is relatively low. There are also some guided discharge devices in the prior art, but they occupy a relatively large volume when used and are relatively inconvenient to use. Therefore, an injection mold with a guided discharge function is needed.

[0003] After searching, the patent number "CN219445960U" mentioned in the text that "an injection mold with a guiding discharge function includes a cylindrical upper mold base structure and a cylindrical lower mold base structure, which is characterized in that: the upper end of the lower mold base structure is provided with a mold cavity structure, and the mold cavity structure is used in conjunction with the mold body structure on the upper mold base structure. The upper end of the lower mold base structure is located at the upper edge of the mold cavity structure. A mold combination sealing groove is provided, and an integral cylindrical stable matching connecting column is provided at the center of the lower end of the lower mold base structure. The interior of the stable matching connecting column is a hollow structure, and a discharge control cylinder is provided inside the stable matching connecting column. Through the above technical solution, the technical problems in the related technology that a separate guiding discharge device is required for cooperation, which occupies a large space and has a high cost of use, and there is excessive waste of resources in the production of some injection products with simple structures are solved." The device uses a mechanical structure for demolding and guiding materials, and the plastic product is in direct contact with the discharge mechanism to produce adhesion, and the demolding effect is poor.

[0004] Therefore, we provide an injection mold with a guided discharge function to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an injection mold with a guiding discharge function to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: an injection mold with a guiding material discharging function, comprising a lower mold and a material guiding mechanism, the outer side of the lower mold is fixedly connected to the outer edge of the lower mold, and a material guiding mechanism is arranged below the lower mold;

[0007] The material guiding mechanism includes an air compressor, an air guide pipe, a telescopic air bin and a mold sealing assembly. The air compressor is arranged on the lower side of the material guiding mechanism, the air guide pipe is arranged on one side of the air compressor, the telescopic air bin is arranged above the air guide pipe, and the mold sealing assembly is arranged above the telescopic air bin.

[0008] Preferably, the air duct includes an I-type tube, a Z-type tube and an L-type tube, one end of the compressor is fixedly connected to the I-type tube, the other end of the I-type tube is fixedly connected to the Z-type tube, and the other end of the Z-type tube is fixedly connected to the L-type tube.

[0009] Preferably, the telescopic air bin comprises an air guide bin, an air guide column, an air guide hole and a connecting hole; the top end of the L-shaped tube is fixedly connected to the air guide bin, the interior of the air guide bin is slidably connected to the air guide column, the interior of the air guide column is provided with an air guide hole, the outside of the air guide hole is provided with a connecting hole, and one end of the surface of the air guide column is fixedly connected to an inner sealant.

[0010] Preferably, the mold sealing assembly comprises a connecting column and a sealing sheet, the inner wall of the connecting hole is slidably connected with the connecting column, and the top end of the connecting column is fixedly connected with the sealing sheet.

[0011] Preferably, the bottom ends of the connecting holes and the connecting columns are made of neodymium magnets, and the contact surfaces of the connecting holes and the connecting columns have opposite magnetic properties.

[0012] Preferably, the bottom end of the air guide bin is fixedly connected to a support base, and a hydraulic device is provided on the outside of the air guide bin.

[0013] Preferably, an upper mold is arranged above the lower mold, an outer edge of the upper mold is fixedly connected to the outer side of the upper mold, and an upper connecting column is fixedly connected to the top of the upper mold.

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

[0015] 1. Through the setting of the material guide mechanism, when in use, the compressor compresses the air and injects the compressed air into the telescopic air chamber through the air guide pipe, and then blows the air into the lower mold through the telescopic air chamber, so that the molded plastic is separated from the mold. The compressed air is demoulded, which reduces the adhesion of the plastic product and the material guide mechanism, and the compressed air will give the plastic product a thrust to separate from the mold, so that the demoulding effect is better.

[0016] 2. Through the setting of the support base, when in use, the support base provides stable support for the lower mold and connects the material guide mechanism, providing basic conditions for the use and operation of the material guide mechanism and the lower mold, and the hydraulic press allows the lower mold and the upper mold to fit tightly, avoiding the fluid plastic from flowing out of the gap between the lower mold and the upper mold under pressure, resulting in poor molding effect of the plastic product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall top view structure of the utility model;

[0019] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0020] Figure 4 It is a front view cross-sectional structural schematic diagram of the utility model.

[0021] Numbers in the figure: 1. lower mold; 11. outer edge of lower mold; 2. material guiding mechanism; 21. air compressor; 22. air guide pipe; 221. I-type pipe; 222. Z-type pipe; 223. L-type pipe; 23. telescopic air chamber; 231. air guide chamber; 232. air guide column; 2321. inner sealant; 233. air guide hole; 234. connecting hole; 24. mold sealing assembly; 241. connecting column; 242. sealing sheet; 3. supporting base; 31. hydraulic press; 4. upper mold; 41. outer edge of upper mold; 42. upper connecting column. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, the utility model provides a technical solution: an injection mold with a guiding and discharging function, comprising a lower mold 1 and a material guiding mechanism 2, the outer side of the lower mold 1 is fixedly connected with a lower mold outer edge 11, and a material guiding mechanism 2 is arranged below the lower mold 1;

[0025] The material guiding mechanism 2 includes an air compressor 21, an air guide pipe 22, a telescopic air bin 23 and a mold sealing assembly 24. The air compressor 21 is arranged on the lower side of the material guiding mechanism 2, the air guide pipe 22 is arranged on one side of the air compressor 21, the telescopic air bin 23 is arranged above the air guide pipe 22, and the mold sealing assembly 24 is arranged above the telescopic air bin 23.

[0026] Furthermore, the air guide pipe 22 includes an I-type pipe 221, a Z-type pipe 222 and an L-type pipe 223. One end of the compressor 21 is fixedly connected to the I-type pipe 221, the other end of the I-type pipe 221 is fixedly connected to the Z-type pipe 222, and the other end of the Z-type pipe 222 is fixedly connected to the L-type pipe 223. Through the setting of the air guide pipe 22, the mechanism can stably transport compressed air to the telescopic air chamber 23.

[0027] Furthermore, the telescopic air bin 23 includes an air guide bin 231, an air guide column 232, an air guide hole 233 and a connecting hole 234. The top of the L-shaped tube 223 is fixedly connected to the air guide bin 231, the interior of the air guide bin 231 is slidably connected to the air guide column 232, the interior of the air guide column 232 is provided with an air guide hole 233, the outer side of the air guide hole 233 is provided with a connecting hole 234, one end of the surface of the air guide column 232 is fixedly connected to an inner sealant 2321, the air guide column 232 will move in the air guide bin 231 with the movement of the lower mold 1, and the inner sealant 2321 ensures that the telescopic air bin 23 will not leak due to the movement of the air guide column 232.

[0028] Furthermore, the mold sealing assembly 24 includes a connecting column 241 and a sealing sheet 242. The inner wall of the connecting hole 234 is slidably connected to the connecting column 241, and the top of the connecting column 241 is fixedly connected to the sealing sheet 242. Through the setting of the mold sealing assembly 24, the mechanism prevents plastic from flowing into the air guide hole 233 when the plastic product is molded.

[0029] Furthermore, the bottom ends of the connecting hole 234 and the connecting column 241 are made of neodymium magnets, and the contact surfaces of the connecting hole 234 and the connecting column 241 have opposite magnetic properties. By setting the bottom ends of the connecting hole 234 and the connecting column 241 to be made of neodymium magnets, the mold sealing assembly 24 can fit tightly with the lower mold 1 when the compressor 21 is not blowing air.

[0030] Embodiment 2

[0031] See also Figure 1-3 As shown, in comparison with Example 1, as another implementation of the utility model, the bottom end of the air guide bin 231 is fixedly connected to a support base 3, a hydraulic press 31 is provided on the outer side of the air guide bin 231, and the support base 3 connects the lower mold 1 and the material guiding mechanism 2 to make the device a whole.

[0032] Furthermore, an upper mold 4 is arranged above the lower mold 1, and an upper mold outer edge 41 is fixedly connected to the outer side of the upper mold 4, and an upper connecting column 42 is fixedly connected to the upper side of the upper mold 4. The upper mold outer edge 41 can control the excess flowing plastic in the molding process of the plastic product together with the lower mold outer edge 11 so as not to damage other components of the device.

[0033] Working principle: First, an injection mold with a guided discharge function is moved to a working position. In the first step, the hydraulic press 31 is started to closely fit the lower mold 1 and the upper mold 4 to mold the internal fluid plastic. In the second step, after molding is completed, the hydraulic press 31 contracts to separate the lower mold 1 and the upper mold 4, and the air guide column 232 moves along the inner wall of the air guide bin 231 to the bottom of the air guide bin 231. In the third step, the air compressor 21 is started, and the compressed air enters the air guide bin 231 through the air guide pipe 22, and then enters the air guide hole 233 through the air guide bin 231. In the fourth step, the compressed air impacts the sealing sheet 242, so that the sealing sheet 242 is separated from the lower mold 1, and the contact surface of the connecting hole 234 and the connecting column 241 is separated. In the fifth step, the compressed air separates the molded plastic product from the lower mold 1 to complete the material guiding. In the sixth step, the air compressor 21 closes the connecting hole 234 and the connecting column 241 is closely fitted by magnetic force, thus completing the use process of an injection mold with a guided discharge function.

Claims

1. An injection mold with a guiding discharge function, comprising a lower mold (1) and a material guiding mechanism (2), characterized in that: The outer side of the lower mold (1) is fixedly connected to an outer edge of the lower mold (11), and the bottom end of the lower mold (1) is provided with a material guiding mechanism (2); The material guiding mechanism (2) comprises an air compressor (21), an air guide pipe (22), a telescopic air chamber (23) and a mould sealing assembly (24); the air compressor (21) is arranged on one side below the material guiding mechanism (2); the air guide pipe (22) is arranged on one side of the air compressor (21); the telescopic air chamber (23) is arranged above the air guide pipe (22); and the mould sealing assembly (24) is arranged above the telescopic air chamber (23).

2. The injection mold with a guide discharge function according to claim 1, characterized in that: The air guide pipe (22) comprises an I-shaped pipe (221), a Z-shaped pipe (222) and an L-shaped pipe (223); one end of the compressor (21) is fixedly connected to the I-shaped pipe (221); the other end of the I-shaped pipe (221) is fixedly connected to the Z-shaped pipe (222); and the other end of the Z-shaped pipe (222) is fixedly connected to the L-shaped pipe (223).

3. The injection mold with a guide discharge function according to claim 2, characterized in that: The telescopic air bin (23) comprises an air guide bin (231), an air guide column (232), an air guide hole (233) and a connecting hole (234); the top end of the L-shaped tube (223) is fixedly connected to the air guide bin (231); the interior of the air guide bin (231) is slidably connected to the air guide column (232); the interior of the air guide column (232) is provided with an air guide hole (233); the outer side of the air guide hole (233) is provided with a connecting hole (234); and one end of the surface of the air guide column (232) is fixedly connected to an inner sealant (2321).

4. The injection mold with a guide discharge function according to claim 3, characterized in that: The mold sealing assembly (24) comprises a connecting column (241) and a sealing sheet (242); the inner wall of the connecting hole (234) is slidably connected to the connecting column (241); and the top end of the connecting column (241) is fixedly connected to the sealing sheet (242).

5. The injection mold with a guide discharge function according to claim 3, characterized in that: The bottom ends of the connection hole (234) and the connecting column (241) are both made of neodymium magnets, and the contact surfaces of the connection hole (234) and the connecting column (241) have opposite magnetic properties.

6. The injection mold with a guide discharge function according to claim 3, characterized in that: The bottom end of the air guide bin (231) is fixedly connected to a support base (3), and a hydraulic device (31) is arranged on the outside of the air guide bin (231).

7. The injection mold with a guide discharge function according to claim 1, characterized in that: An upper mold (4) is arranged above the lower mold (1), an outer side of the upper mold (4) is fixedly connected to an upper mold outer edge (41), and an upper connecting column (42) is fixedly connected to the upper side of the upper mold (4).

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