Injection mold

By designing the fastening components of the injection mold to achieve automated control of the mold, the problem of time-consuming manual demoulding in the existing technology is solved, and production efficiency is improved.

CN223326884UActive Publication Date: 2025-09-12TIANJIN SHENGXIN TAIHE TECH CO LTD
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Patent Information

Application Number
CN202422202820.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-09-12
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In existing injection molds, workers rely on experience to remove the cooled plastic products from the mold, which is time-consuming and inefficient.

Method used

An injection mold is designed, which includes a base, a mounting plate, a first mold, a second mold and a fastening assembly. The relative movement of the first mold and the second mold is controlled by the fastening assembly to realize the automated operation of injection and demoulding.

Benefits of technology

It improves the efficiency of workers in removing cooled and shaped plastic parts from molds, reduces the time cost of manual operation, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of injection molds, in particular to an injection mold which comprises a base, two mounting plates, a first mold, a second mold and a fastening assembly, and the two mounting plates are vertically arranged at the two ends of the upper surface of the base correspondingly; the first mold and the second mold are both arranged between the two mounting plates and suspended above the base, the first mold and the second mold are oppositely arranged and can move in the length direction of the base, and the fastening assembly is arranged in the base and can drive the first mold and the second mold to be close to each other or away from each other. And the effect that a worker can take down the cooled and shaped plastic part from the mold more easily is achieved.
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Description

Technical Field

[0001] The present application relates to the field of injection molding, and in particular to an injection mold. Background Art

[0002] Injection molds are tools used to produce plastic products, giving them a complete structure and precise dimensions. Injection molding is a process used for mass-producing complex parts. Specifically, the heated, molten plastic is injected into the mold cavity under high pressure using an injection molding machine. After cooling and solidification, the resulting molded product is formed.

[0003] In existing injection molds, molten plastic is injected into a mold cavity, a cooling pipe is connected, and after cooling is completed, the plastic product is manually removed from the mold.

[0004] The above-mentioned existing technical solutions have the following defects: the process of workers removing the cooled plastic products from the mold relies entirely on the workers' experience, requires the workers to be careful and cautious, and takes too much time, resulting in low work efficiency and not conducive to removing the cooled and molded plastic products. Utility Model Content

[0005] The present application provides an injection mold in order to make it easier for workers to remove the cooled and shaped plastic parts from the mold.

[0006] The above technical objectives of this application are achieved through the following technical solutions:

[0007] An injection mold includes a base, a mounting plate, a first mold, a second mold and a fastening assembly, wherein two mounting plates are provided and the two mounting plates are respectively vertically arranged at both ends of the upper surface of the base, the first mold and the second mold are both arranged between the two mounting plates and suspended above the base, the first mold and the second mold are arranged relative to each other and can move along the length direction of the base, and the fastening assembly is arranged in the base, and the fastening assembly can drive the first mold and the second mold to move closer to or away from each other.

[0008] By adopting the above technical solution, by setting a base, a mounting plate, a first mold, a second mold and a fastening assembly, the first mold and the second mold can be controlled to move closer to or farther away from each other. When the first mold and the second mold are close to and fit together, injection molding can be performed. After the injection molding is completed, the first mold and the second mold are controlled to move away from each other, thereby making it convenient for the staff to remove the cooled and shaped plastic parts in the mold, thereby improving work efficiency.

[0009] Optionally, an accommodating cavity is provided in the base, and the fastening assembly is arranged in the accommodating cavity. The fastening assembly includes a guide rail, a sliding member, a first connecting rod, a second connecting rod, a transmission structure and an electric push rod. The guide rail is fixed to the inner wall of the accommodating cavity, and the sliding member is slidably sleeved on the guide rail. The first connecting rod is fixed to the upper surface of the sliding member. One end of the second connecting rod is fixed to the upper surface of the first connecting rod, and the other end passes through the base and is fixed to the first mold or the second mold. The transmission structure is rotatably arranged in the accommodating cavity, the transmission structure is fixed to the first connecting rod, the electric push rod is fixed to the inner wall of the accommodating cavity, and the push rod of the electric push rod is fixed to the first connecting rod.

[0010] By adopting the above technical solution, by setting up a guide rail, a sliding part, a first connecting rod, a second connecting rod, a transmission structure and an electric push rod, the electric push rod can push the first connecting rod, and the first mold and the second mold can be driven to move closer to or away from each other through the second connecting rod and the transmission mechanism. When the first mold and the second mold are away from each other, it is convenient for the staff to remove the cooled and shaped plastic parts in the mold, thereby improving work efficiency.

[0011] Optionally, the transmission structure includes a rotating shaft, a rotating plate and a rotating connecting rod, the rotating shaft is fixedly connected to the inner wall of the accommodating cavity, the rotating plate is fixedly sleeved on the rotating shaft and spaced apart from the inner wall of the accommodating cavity, one end of the rotating connecting rod is fixedly connected to the end of the rotating plate surface, and the other end is fixedly connected to the side wall of the first connecting rod.

[0012] By adopting the above technical solution, by setting a rotating shaft, a rotating plate and a rotating connecting rod, the first mold and the second mold can be driven closer to or away from each other, thereby making it convenient for the staff to remove the plastic parts after cooling and shaping in the mold, thereby improving work efficiency.

[0013] Optionally, the injection mold further includes a sliding rod, a first sleeve and a second sleeve, the sliding rod is arranged between the two mounting plates, the first sleeve is fixed to the upper surface of the first mold, the second sleeve is fixed to the upper surface of the second mold, and the first sleeve and the second sleeve are both movably mounted on the sliding rod.

[0014] By adopting the above technical solution, by setting the sliding rod, the first sleeve and the second sleeve, the movement trajectory of the first mold and the second mold can be restricted, thereby avoiding deviation when forming the mold cavity and reducing the yield rate of injection molding.

[0015] Optionally, a groove is provided on the surface of the first mold, and a protruding module is fixed to the second mold. The protruding module can be inserted into the groove and the outer surface of the protruding module is separated from the groove wall to form a mold cavity.

[0016] By adopting the above technical solution and setting a protruding module, it can cooperate with the groove to form a mold cavity, and limit the specifications and dimensions of the plastic parts undergoing injection molding, so that the molded plastic parts meet the use requirements.

[0017] Optionally, the injection mold also includes a cooling component, which includes a first water pump and a first cooling water pipe. A first water storage cavity is opened in the base, the first water pump is arranged on one side of the base, and the first cooling water pipe is arranged in the first mold. The first water pump is connected to the first water storage cavity and the first cooling water pipe through a water inlet hose, and the first cooling water pipe and the first water storage cavity are connected through a water outlet hose.

[0018] By adopting the above technical solution and setting up a first water pump and a first cooling water pipe, the molten plastic injected into the mold cavity can be quickly cooled and shaped, making it convenient for subsequent staff to perform demolding work. The first water pump and the first water storage chamber can recycle the cooling and save costs.

[0019] Optionally, the cooling assembly also includes a second water pump and a second cooling water pipe, a second water storage chamber is opened in the base, the second water pump is arranged on one side of the base, the second cooling water pipe is arranged in the second mold, the second water pump is connected to the second water storage chamber and the second cooling water pipe through a water inlet hose, and the second cooling water pipe is connected to the second water storage chamber through a water outlet hose.

[0020] By adopting the above technical solution and setting up a second water pump and a second cooling water pipe, the molten plastic injected into the mold cavity can be quickly cooled and shaped, making it convenient for subsequent staff to perform demolding work. The second water pump and the second water storage chamber can recycle the cooling and save costs.

[0021] Optionally, the first cooling water pipe is threaded.

[0022] By adopting the above technical solution, the first cooling water pipe in a threaded shape has a larger heating area and a better cooling effect.

[0023] Optionally, the second cooling water pipe is threaded.

[0024] By adopting the above technical solution, the second cooling water pipe in a threaded shape has a larger heating area and a better cooling effect.

[0025] In summary, this application has the following technical effects:

[0026] 1. By setting up the base, mounting plate, first mold, second mold and fastening assembly, the first mold and the second mold are close to each other and fit together to perform injection molding. After the injection molding is completed, the first mold and the second mold are controlled to move away from each other, making it easier for workers to remove the cooled and shaped plastic parts from the mold, thereby improving work efficiency.

[0027] 2. By setting up the sliding rod, the first sleeve and the second sleeve, the movement trajectory of the first mold and the second mold can be restricted, thereby avoiding deviation when forming the mold cavity and reducing the yield rate of injection molding;

[0028] 3. By setting up a protruding module, it can cooperate with the groove to form a mold cavity, and limit the specifications and dimensions of the plastic parts undergoing injection molding, so that the molded plastic parts meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is the appearance structure diagram of this application;

[0030] Figure 2 It is a prominent structural diagram of the fastening assembly of the present application;

[0031] Figure 3 It is a prominent structural diagram of the cooling component of this application.

[0032] Explanation of the accompanying drawings: 1. Molding assembly; 11. Base; 111. Accommodating chamber; 112. First water storage chamber; 113. Second water storage chamber; 114. Sliding groove; 12. Mounting plate; 13. Sliding rod; 14. First mold; 141. First sleeve; 142. Groove; 15. Second mold; 151. Second sleeve; 152. Protruding module; 16. Fastening assembly; 161. Guide rail; 162. Sliding member; 163. First connecting rod; 164. Second connecting rod; 165. Rotating shaft; 166. Rotating plate; 167. Rotating connecting rod; 168. Electric push rod; 2. Cooling assembly; 21. First water pump; 22. Second water pump; 23. First cooling water pipe; 24. Second cooling water pipe; 25. Water inlet hose; 26. Water outlet hose. DETAILED DESCRIPTION

[0033] The present application is further described in detail below with reference to the accompanying drawings.

[0034] The present application discloses an injection mold, referring to Figure 1 The injection mold consists of a molding assembly 1 and a cooling assembly 2. The molding assembly 1 limits the specifications and dimensions of the plastic part, ensuring that the molded part meets the required specifications. It also facilitates the removal of the cooled and shaped plastic part from the mold, improving work efficiency. The cooling assembly 2 quickly cools and shapes the molten plastic injected into the mold cavity, facilitating subsequent work.

[0035] Reference Figure 1The molding assembly 1 includes a base 11, a mounting plate 12, and a slide rod 13. The base 11 is arranged horizontally. The mounting plate 12 is vertically arranged on the upper surface of the base 11. One end face of the mounting plate 12 is fixedly connected to the upper surface of the base 11. The surface of the mounting plate 12 is perpendicular to the length direction of the base 11. There are two mounting plates 12. The surfaces of the two mounting plates 12 are parallel to each other and spaced apart. The two mounting plates 12 are respectively located at the two ends of the upper surface of the base 11. The slide rod 13 is arranged between the two mounting plates 12. The two end faces of the slide rod 13 are respectively fixedly connected to the opposite surfaces of the two mounting plates 12. The length direction of the slide rod 13 is parallel to the length direction of the base 11. The slide rod 13 is spaced apart from the base 11. There are two slide rods 13. The length directions of the two slide rods 13 are parallel to each other and spaced apart. The two slide rods 13 are located in the same horizontal plane.

[0036] Reference Figure 1 The molding assembly 1 also includes a first mold 14, a second mold 15, a first sleeve 141 and a second sleeve 151. The first mold 14 and the second mold 15 are both located between the two mounting plates 12 and spaced apart from the base 11. The first mold 14 and the second mold 15 are arranged opposite to each other. The opposing surfaces of the first mold 14 and the second mold 15 can fit together and the surfaces fitting together are parallel to the surface of the mounting plate 12. A groove 142 is provided on the opposing surfaces of the first mold 14 and the second mold 15. A protruding module 152 is fixedly connected to the opposing surface of the second mold 15 and the first mold 14. When the first mold 14 and the second mold 15 are fitted together, the protruding module 152 can be inserted into the groove 142. The outer surface of the protruding module 152 is spaced apart from the wall of the groove 142 to form a mold cavity. The first sleeve 141 and the second sleeve 151 are respectively fixed to the two ends of the upper surface of the first mold 14 and the second mold 15. The first sleeve 141 and the second sleeve 151 are both slidably mounted on the slide rod 13. The first sleeve 141 and the second sleeve 151 can slide along the length direction of the slide rod 13 to limit the movement trajectory of the first mold 14 and the second mold 15 approaching or moving away from each other.

[0037] Combine Figure 1 and Figure 2 The base 11 has an accommodating cavity 111 formed in a rectangular parallelepiped shape, with the length of the accommodating cavity 111 parallel to the length of the base 11. The molding assembly 1 further includes a fastening assembly 16, which is disposed in the accommodating cavity 111. The fastening assembly 16 includes a guide rail 161, which is disposed in the accommodating cavity 111 on the inner wall away from the upper surface of the base 11. Four guide rails 161 are provided, and the four guide rails 161 are arranged in groups of two on both sides of the length of the accommodating cavity 111. The two guide rails 161 in a group are parallel to each other in length and spaced apart. The length of the guide rails 161 is parallel to the length of the accommodating cavity 111. The end face of the guide rail 161 is T-shaped, and the lower end face of the guide rail 161 is fixed to the inner wall of the accommodating cavity 111.

[0038] Combine Figure 1 and Figure 2 The fastening assembly 16 further includes a sliding member 162, a first connecting rod 163, and a second connecting rod 164. The sliding member 162 is adapted to and slidably sleeved on the guide rail 161. Each guide rail 161 is sleeved with a sliding member 162. The first connecting rod 163 is disposed above the two sliding members 162 on a set of two guide rails 161. The side walls of the first connecting rod 163 are respectively fixedly connected to the upper surfaces of the two sliding members 162. The length of the first connecting rod 163 is perpendicular to the length of the guide rail 161. The second connecting rod 164 is arranged on the side of the first connecting rod 163 away from the guide rail 161. The length direction of the second connecting rod 164 is perpendicular to the upper surface of the base 11. A sliding groove 114 is provided on the upper surface of the base 11. The length direction of the sliding groove 114 is parallel to the length direction of the guide rail 161. The sliding groove 114 connects the upper surface of the base 11 and the inner wall of the accommodating cavity 111. The end of the second connecting rod 164 passes through the sliding groove 114 and is fixed to the side wall of the first connecting rod 163. Four second connecting rods 164 are provided. The four second connecting rods 164 are located at both ends of the length direction of the accommodating box in groups of two. The lower ends of the two second connecting rods 164 on the same side are respectively fixed to the two ends of the side walls of the first connecting rod 163, and the upper ends of the two groups of second connecting rods 164 are respectively fixed to the lower surfaces of the first mold 14 and the second mold 15.

[0039] Combine Figure 1 and Figure 2 The fastening assembly 16 further includes a rotating shaft 165, a rotating plate 166, and a rotating connecting rod 167. The rotating shaft 165, the rotating plate 166, and the two rotating connecting rods 167 constitute a transmission structure, which is disposed within the accommodating chamber 111 and between the two sets of guide rails 161. In the transmission structure, the rotating shaft 165 is fixedly disposed on the inner wall of the accommodating chamber 111 away from the upper surface of the base 11. The rotating shaft 165 is located between the two sets of guide rails 161, and the axis of the rotating shaft 165 is perpendicular to the upper surface of the base 11. The rotating plate 166 is disposed on the rotating shaft 165, and the rotating shaft 165 penetrates the middle portion of the rotating plate 166 and is fixedly connected to the rotating plate 166. The rotating plate 166 is spaced apart from the inner wall of the accommodating chamber 111, and the surface of the rotating plate 166 is always parallel to the inner wall of the accommodating chamber 111. One end of the rotating connecting rod 167 is hinged to one end of the plate surface of the rotating plate 166 close to the upper surface of the base 11 , and the other end is hinged to the middle of the side wall of the first connecting rod 163 close to the upper surface of the base 11 .

[0040] Combine Figure 1 and Figure 2The fastening assembly 16 further includes an electric push rod 168, which is disposed within the accommodating cavity 111 and located on one side of the transmission structure. The push rod of the electric push rod 168 is fixedly connected to one end of the side wall of the first connecting rod 163. The electric push rod 168 pushes the first connecting rod 163 to cause the first mold 14 and the second mold 15 to slide on the slide bar 13, moving the first mold 14 and the second mold 15 closer to or farther away from each other. When the first mold 14 and the second mold 15 are attached to each other, a mold cavity is formed for injection molding. After the cooling process is completed and the plastic part is formed, the first mold 14 and the second mold 15 are controlled to move away from each other, making it easier for workers to remove the plastic part from the mold.

[0041] Combine Figure 1 and Figure 3 The cooling assembly 2 includes a first water pump 21, a second water pump 22, a water inlet hose 25, a water outlet hose 26, a first cooling water pipe 23, and a second cooling water pipe 24. A first water storage chamber 112 and a second water storage chamber 113 are defined within the base 11 on the side of the housing chamber 111 facing away from the upper surface of the base 11. The first water storage chamber 112 and the second water storage chamber 113 are both spaced apart from the housing chamber 111. The lengths of the first water storage chamber 112 and the second water storage chamber 113 are perpendicular to the length of the base 11. The first water pump 21 and the second water pump 22 are fixedly mounted on one side of the length of the base 11, spaced apart from the base 11. The first cooling water pipe 23 is disposed within the first mold 14. The first cooling water pipe 23 is threaded and has three first cooling water pipes 23 disposed within the first mold 14. The three first cooling water pipes 23 are spaced apart from each other and have parallel centerlines. Both ends of the three first cooling water pipes 23 are connected together, and the first cooling water pipe 23 is positioned near the groove 142. The second cooling water pipe 24 is arranged in the second mold 15. The second cooling water pipe 24 is threaded. Three second cooling water pipes 24 are arranged in the second mold 15. The three second cooling water pipes 24 are spaced apart from each other and their center lines are parallel to each other. Both ends of the three second cooling water pipes 24 are connected together. The second cooling water pipe 24 is close to the surface of the second mold 15 opposite to the first mold 14. The threaded first cooling water pipe 23 and the second cooling water pipe 24 can increase the heated area and improve the cooling efficiency.

[0042] Combine Figure 1 and Figure 3The first water pump 21 is connected to the inner wall of one side of the first water storage chamber 112 and one end of the first cooling water pipe 23 through the water inlet hose 25, and the second water pump 22 is connected to the inner wall of one side of the second water storage chamber 113 and one end of the second cooling water pipe 24 through the water inlet hose 25. The other end of the first cooling water pipe 23 and the inner wall of the other side of the first water storage chamber 112, the second cooling water pipe 24 and the inner wall of the other side of the second water storage chamber 113 are all connected through the water outlet hose 26. By setting the first water storage chamber 112, the second water storage chamber 113, the first water pump 21 and the second water pump 22, the coolant can be circulated and the cost can be reduced.

[0043] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. An injection mold, characterized in that: The injection mold comprises a base (11), a mounting plate (12), a first mold (14), a second mold (15) and a fastening assembly (16); the mounting plate (12) is provided with two pieces, and the two mounting plates (12) are respectively vertically arranged at both ends of the upper surface of the base (11); the first mold (14) and the second mold (15) are both arranged between the two mounting plates (12) and suspended above the base (11); the first mold (14) and the second mold (15) are arranged relative to each other and can move along the length direction of the base (11); the fastening assembly (16) is arranged in the base (11); and the fastening assembly (16) can drive the first mold (14) and the second mold (15) to move closer to or away from each other.

2. The injection mold according to claim 1, characterized in that: The base (11) is provided with an accommodating cavity (111), the fastening assembly (16) is arranged in the accommodating cavity (111), the fastening assembly (16) comprises a guide rail (161), a sliding member (162), a first connecting rod (163), a second connecting rod (164), a transmission structure and an electric push rod (168), the guide rail (161) is fixed to the inner wall of the accommodating cavity (111), the sliding member (162) is slidably sleeved on the guide rail (161), the first connecting rod (163) is fixed to the inner wall of the accommodating cavity (111), the sliding member (162) is slidably sleeved on the guide rail (161), and the first connecting rod (163) is fixed to the inner wall of the accommodating cavity (111). ) is fixedly connected to the upper surface of the sliding member (162), one end of the second connecting rod (164) is fixedly connected to the upper surface of the first connecting rod (163), and the other end passes through the base (11) and is fixedly connected to the first mold (14) or the second mold (15), the transmission structure is rotatably set in the accommodating cavity (111), the transmission structure is fixedly connected to the first connecting rod (163), the electric push rod (168) is fixedly connected to the inner wall of the accommodating cavity (111), and the push rod of the electric push rod (168) is fixedly connected to the first connecting rod (163).

3. The injection mold according to claim 2, characterized in that: The transmission structure comprises a rotating shaft (165), a rotating plate (166) and a rotating connecting rod (167); the rotating shaft (165) is fixedly connected to the inner wall of the accommodating chamber (111); the rotating plate (166) is fixedly sleeved on the rotating shaft (165) and spaced apart from the inner wall of the accommodating chamber (111); one end of the rotating connecting rod (167) is fixedly connected to the end of the plate surface of the rotating plate (166), and the other end is fixedly connected to the side wall of the first connecting rod (163).

4. The injection mold according to claim 1, characterized in that: The injection mold further includes a slide bar (13), a first sleeve (141) and a second sleeve (151), wherein the slide bar (13) is arranged between the two mounting plates (12), the first sleeve (141) is fixedly connected to the upper surface of the first mold (14), and the second sleeve (151) is fixedly connected to the upper surface of the second mold (15), and the first sleeve (141) and the second sleeve (151) are both movably sleeved on the slide bar (13).

5. The injection mold according to claim 4, characterized in that: A groove (142) is provided on the surface of the first mold (14), and a protruding module (152) is fixedly connected to the second mold (15). The protruding module (152) can be inserted into the groove (142), and the outer surface of the protruding module (152) is spaced from the groove wall of the groove (142) to form a mold cavity.

6. The injection mold according to claim 1, characterized in that: The injection mold further comprises a cooling assembly (2), the cooling assembly (2) comprising a first water pump (21) and a first cooling water pipe (23), a first water storage cavity (112) being provided in the base (11), the first water pump (21) being arranged on one side of the base (11), the first cooling water pipe (23) being arranged in the first mold (14), the first water pump (21) being in communication with the first water storage cavity (112) and the first cooling water pipe (23) via a water inlet hose (25), and the first cooling water pipe (23) being in communication with the first water storage cavity (112) via a water outlet hose (26).

7. The injection mold according to claim 6, characterized in that: The cooling assembly (2) further includes a second water pump (22) and a second cooling water pipe (24); a second water storage chamber (113) is provided in the base (11); the second water pump (22) is arranged on one side of the base (11); the second cooling water pipe (24) is arranged in the second mold (15); the second water pump (22) is connected to the second water storage chamber (113) and the second cooling water pipe (24) via a water inlet hose (25); and the second cooling water pipe (24) is connected to the second water storage chamber (113) via a water outlet hose (26).

8. The injection mold according to claim 6, characterized in that: The first cooling water pipe (23) is threaded.

9. The injection mold according to claim 7, characterized in that: The second cooling water pipe (24) is threaded.