Distributed multi-mold-cavity injection mold

By using the structure of support frame, fixing frame and electric push rod in distributed multi-cavity injection molds, combined with conveyor belt and cooling system, the problem of overheating adhesion in the injection molding material is solved, automatic mold release and efficient heat dissipation are achieved, and production efficiency and the pass rate of parts are improved.

CN222681625UActive Publication Date: 2025-03-28SHANDONG YOURS MAGIC PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202421307538.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-28
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing distributed multi-cavity injection molds are prone to stick to the lower demolding push rod due to overheating during the molding process of injection molding materials, making it difficult for parts to separate from the mold and require manual assistance for demolding.

Method used

A distributed multi-mold cavity injection mold is designed, using a structure of a support frame, a fixing frame and an electric push rod. The main body of the injection mold is driven to move through the electric push rod, and combined with the conveyor belt and cooling system to achieve automatic mold release and heat dissipation.

Benefits of technology

Automatic mold release of injection molded parts is achieved, production efficiency is improved, the need for manual auxiliary mold release is avoided, and the cooling system is improved, reducing the risk of parts deformation or shrinkage due to high temperatures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a distributed multi-mold-cavity injection mold which comprises a supporting frame, a fixing frame and electric push rods, the fixing frame is welded to the top end of the supporting frame, and the electric push rods are installed on the inner walls of the two sides of the supporting frame through bolts. And injection mold bodies are arranged at the output ends of the two sets of electric push rods, the outer walls of the output ends of the two sets of electric push rods are sleeved with connecting plates, and fixing rods extending into the injection mold bodies are welded to the inner sides of the two sets of connecting plates. According to the utility model, the production efficiency is improved, and internal parts do not need to be demoulded manually.
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Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, in particular to a distributed multi-cavity injection mold. Background Art

[0002] Injection molding is a method of producing industrial products. It is mainly divided into rubber injection molding and plastic injection molding according to the material, and is mainly divided into injection molding and die casting according to the method. Injection molding machine is the main molding equipment that makes thermoplastic or thermosetting plastics into plastic products of various shapes through plastic molding molds. Injection molding is achieved through injection molding machines and molds.

[0003] After searching, the patent with publication number CN117734116A discloses a distributed multi-cavity injection mold, which is composed of a base plate, a lifting mechanism, a multi-cavity injection upper mold, a multi-cavity injection lower mold, a cooling mechanism, a lower mold demoulding mechanism, an upper mold demoulding mechanism and an anti-falling mechanism. In this scheme, the electric telescopic rod B extends to drive the lifting plate to rise, and the rising of the lifting plate drives the Z-axis single-hole sliding sleeve to slide on the Z-axis guide sliding rod. The rising of the lifting plate drives the lower demoulding push rod to rise. The rising of the lower demoulding push rod can eject the parts formed inside the multi-cavity injection lower mold, thereby realizing the demoulding of the multi-cavity injection lower mold.

[0004] However, the injection material of the above-mentioned injection mold is easily adhered to the lower demoulding push rod due to overheating during the process of molding parts, making it difficult to separate the parts from the multi-cavity injection mold. Manual assistance is required to separate the parts from the lower demoulding push rod, which makes demoulding inconvenient. Summary of the invention

[0005] The purpose of the utility model is to provide a distributed multi-cavity injection mold to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: a distributed multi-cavity injection mold, comprising a support frame, a fixing frame and an electric push rod, the top of the support frame is welded with a fixing frame, and the inner walls on both sides of the support frame are installed with electric push rods by bolts.

[0007] Preferably, the output ends of the two groups of electric push rods are both provided with an injection mold body, the outer walls of the output ends of the two groups of electric push rods are both sleeved with connecting plates, and the inner sides of the two groups of connecting plates are welded with fixing rods extending into the interior of the injection mold body.

[0008] Preferably, the outer wall of the fixing rod is located inside the injection mold body and is sleeved with a spring, the inner sides of the two groups of injection mold bodies are provided with inner grooves, and the tops of the two groups of injection mold bodies are provided with injection ports.

[0009] Preferably, a conveyor belt is installed on the inner side of the support frame.

[0010] Preferably, a connecting frame is welded to the top of the fixing frame, an electric lifting rod is installed at the top of the connecting frame through bolts, and a syringe extending into the fixing frame is installed at the output end of the electric lifting rod.

[0011] Preferably, cooling water tanks are installed on both sides of the fixing frame, one side of the two groups of cooling water tanks is provided with a water inlet, the bottom ends of the two groups of cooling water tanks are provided with a water outlet, the insides of the two groups of cooling water tanks are installed with water pumps by bolts, the input ends of the two groups of water pumps are connected to water pumping pipes, the output ends of the two groups of water pumps are connected to disc-shaped cooling pipes, and the two groups of disc-shaped cooling pipes are respectively connected to the two groups of injection mold bodies.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. When the utility model is used, the injection material is injected between the two groups of injection mold bodies through the electric lifting rod, the syringe and the injection port. The injection material flows inside the inner groove and forms a mold cavity structure. After the injection material solidifies into parts inside the injection mold body, the two groups of injection mold bodies, the two groups of connecting plates and the two groups of fixed rods are driven to move by the two groups of electric push rods. The two groups of injection mold bodies demould the solidified parts. The electric push rods continue to shrink, the connecting plates stop, and the injection mold body continues to move. The connecting plates and the fixed rods push the parts and the injection mold body to separate them. After the parts are separated from the injection mold body, they fall from one end of the fixed rod to the top of the conveyor belt under the influence of gravity. The parts are conveyed by the conveyor belt, so that the utility model is convenient for demoulding the parts, thereby improving the production efficiency, and there is no need for manual assistance to demould the internal parts.

[0014] 2. When the injection mold body needs to be cooled, the coolant inside the two cooling water tanks is pumped to the inside of the two disc cooling tubes through two sets of water pumps and two sets of pumping pipes. The two sets of disc cooling tubes cool the two injection mold bodies and dissipate heat, which improves the heat dissipation efficiency, helps the parts to solidify, and prevents the parts from being deformed or shrunk due to high temperature during the molding process, thereby improving the qualified rate of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal three-dimensional structure of the injection mold body of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal three-dimensional structure of the fixing frame of the utility model.

[0020] In the figure: 1. support frame; 101. conveyor belt; 2. fixed frame; 3. connecting frame; 301. electric lifting rod; 302. syringe; 4. electric push rod; 401. injection mold body; 402. connecting plate; 403. fixing rod; 404. spring; 405. inner groove; 406. injection port; 5. cooling water tank; 501. water inlet; 502. water outlet; 503. water pump; 504. water pumping pipe; 505. disc cooling pipe. 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] See also Figures 1 to 4 The utility model provides a technical solution: a distributed multi-cavity injection mold, including a support frame 1, a fixing frame 2 and an electric push rod 4, the top of the support frame 1 is welded with the fixing frame 2, and the inner walls on both sides of the support frame 1 are installed with electric push rods 4 by bolts.

[0023] See also Figures 1 to 4 It can be seen that the output ends of the two groups of electric push rods 4 are both provided with an injection mold body 401, the outer walls of the output ends of the two groups of electric push rods 4 are both sleeved with connecting plates 402, the inner sides of the two groups of connecting plates 402 are welded with fixing rods 403 extending to the inside of the injection mold body 401, the outer walls of the fixing rods 403 are located inside the injection mold body 401 and are sleeved with springs 404, the inner sides of the two groups of injection mold bodies 401 are both provided with inner grooves 405, the tops of the two groups of injection mold bodies 401 are both provided with injection ports 406, the inner walls of the connecting plates 402 are slidably connected to the outer walls of the electric push rods 4, and the outer walls of the fixing rods 403 are slidably connected to the inner walls of the injection mold body 401.

[0024] In specific implementation, when the utility model is used, the descending mode of the electric lifting rod 301 is started, and the electric lifting rod 301 drives the output end of the syringe 302 to enter the interior of the injection port 406. The syringe 302 injects the injection material between the two groups of injection mold bodies 401 through the injection port 406. The injection material flows inside the inner groove 405 and forms a mold cavity structure. After the injection material solidifies into parts inside the injection mold body 401, the contraction mode of the two groups of electric push rods 4 is started, and the output ends of the two groups of electric push rods 4 respectively drive the two groups of injection mold bodies 401, the two groups of connecting plates 402 and the two groups of fixing rods 403 to move, so that the two groups of injection mold bodies 401 are separated, and the two groups of injection mold bodies are 401 demoulds the solidified parts, and at the same time, the electric push rod 4 continues to shrink, the connecting plate 402 stops, and the injection mold body 401 continues to move. The output end of the electric push rod 4 slides on the inner wall of the connecting plate 402, and the connecting plate 402 and the fixed rod 403 push the parts to separate from the injection mold body 401. At the same time, the fixed rod 403 pushes the spring 404 to compress and deform it. After the parts are separated from the injection mold body 401, they fall from one end of the fixed rod 403 to the top of the conveyor belt 101 due to gravity. The conveyor belt 101 is started to convey the parts, so that the utility model facilitates the demoulding of the parts, thereby improving the production efficiency, and there is no need for manual assistance to demould the internal parts.

[0025] See also Figures 1 to 3 It can be seen that a conveyor belt 101 is installed on the inner side of the support frame 1 .

[0026] During specific implementation, the conveyor belt 101 is used to convey parts.

[0027] See also Figures 1 to 4 It can be seen that a connecting frame 3 is welded to the top of the fixed frame 2, an electric lifting rod 301 is installed on the top of the connecting frame 3 through bolts, and a syringe 302 extending to the inside of the fixed frame 2 is installed at the output end of the electric lifting rod 301, and the input end of the syringe 302 is connected to the external raw material conveyor.

[0028] In specific implementation, when the utility model is used, the descending mode of the electric lifting rod 301 is started, and the electric lifting rod 301 drives the output end of the syringe 302 to enter the inside of the injection port 406. The syringe 302 injects the injection material between the two groups of injection mold bodies 401 through the injection port 406. The injection material flows inside the inner groove 405 and forms a mold cavity structure. After the injection material solidifies into a part inside the injection mold body 401, the contraction mode of the two groups of electric push rods 4 is started, and the output ends of the two groups of electric push rods 4 respectively drive the two groups of injection mold bodies 401, the two groups of connecting plates 402 and the two groups of fixing rods 403 to move. The two groups of injection mold bodies 401 are separated, and the two groups of injection mold bodies 401 demold the solidified parts. At the same time, the electric push rod 4 continues to shrink, the connecting plate 402 stops, and the injection mold body 401 continues to move. The output end of the electric push rod 4 slides on the inner wall of the connecting plate 402, and the connecting plate 402 and the fixed rod 403 push the parts and the injection mold body 401 to separate them. At the same time, the fixed rod 403 pushes the spring 404 to compress and deform it. After the parts are separated from the injection mold body 401, they fall from one end of the fixed rod 403 to the top of the conveyor belt 101 under the influence of gravity. The conveyor belt 101 is started to convey the parts.

[0029] See also Figures 1 to 4 It can be seen that cooling water tanks 5 are installed on both sides of the fixing frame 2, a water inlet 501 is set on one side of the two groups of cooling water tanks 5, a water outlet 502 is set at the bottom of the two groups of cooling water tanks 5, water pumps 503 are installed inside the two groups of cooling water tanks 5 by bolts, the input ends of the two groups of water pumps 503 are connected to the water pumping pipe 504, the output ends of the two groups of water pumps 503 are connected to the disc-shaped cooling pipe 505, and the two groups of disc-shaped cooling pipes 505 are respectively connected to the two groups of injection mold main bodies 401.

[0030] In specific implementation, when the injection mold main body 401 needs to be cooled, the two sets of water pumps 503 are started, and the input ends of the two sets of water pumps 503 pump the coolant inside the two sets of cooling water tanks 5 to the inside of the two sets of disc cooling tubes 505 through the two sets of pumping pipes 504. The two sets of disc cooling tubes 505 cool the two sets of injection mold main bodies 401 and dissipate heat, thereby improving the heat dissipation efficiency, helping to solidify the parts, and preventing the parts from being deformed or shrinking due to high temperature during the molding process, thereby improving the qualified rate of the parts.

[0031] In summary, when the utility model is used, the electric lifting rod 301 drives the output end of the syringe 302 to enter the interior of the injection port 406, and the syringe 302 injects the injection material into the space between the two groups of injection mold bodies 401 through the injection port 406. The injection material flows inside the inner groove 405 and forms a mold cavity structure. After the injection material solidifies into parts inside the injection mold body 401, the output ends of the two groups of electric push rods 4 respectively drive the two groups of injection mold bodies 401, the two groups of connecting plates 402 and the two groups of fixing rods 403 to move, and the two groups of injection mold bodies 401 are aligned with each other. The solidified parts are demoulded, and at the same time, the electric push rod 4 continues to shrink, the connecting plate 402 stops, and the injection mold body 401 continues to move. The output end of the electric push rod 4 slides on the inner wall of the connecting plate 402, and the connecting plate 402 and the fixed rod 403 push the parts and the injection mold body 401 to separate them. At the same time, the fixed rod 403 pushes the spring 404 to compress and deform it. After the parts are separated from the injection mold body 401, they fall from one end of the fixed rod 403 to the top of the conveyor belt 101 under the influence of gravity. The conveyor belt 101 is started and the parts are conveyed by the conveyor belt 101.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A distributed multi-cavity injection mold, comprising a support frame (1), a fixing frame (2) and an electric push rod (4), characterized in that: A fixing frame (2) is welded to the top of the support frame (1), and electric push rods (4) are mounted on the inner walls of both sides of the support frame (1) via bolts; The output ends of the two groups of electric push rods (4) are both provided with an injection mold body (401), the outer walls of the output ends of the two groups of electric push rods (4) are both sleeved with a connecting plate (402), and the inner sides of the two groups of connecting plates (402) are both welded with a fixing rod (403) extending into the interior of the injection mold body (401); The outer wall of the fixing rod (403) is located inside the injection mold body (401) and is sleeved with a spring (404); the inner sides of the two groups of injection mold bodies (401) are provided with inner grooves (405); and the tops of the two groups of injection mold bodies (401) are provided with injection ports (406); A connecting frame (3) is welded to the top of the fixing frame (2), an electric lifting rod (301) is installed at the top of the connecting frame (3) via bolts, and a syringe (302) extending into the inside of the fixing frame (2) is installed at the output end of the electric lifting rod (301).

2. A distributed multi-cavity injection mold according to claim 1, characterized in that: A conveyor belt (101) is installed on the inner side of the support frame (1).

3. A distributed multi-cavity injection mold according to claim 2, characterized in that: Cooling water tanks (5) are installed on both sides of the fixing frame (2), one side of the two groups of cooling water tanks (5) is provided with a water inlet (501), the bottom ends of the two groups of cooling water tanks (5) are provided with a water outlet (502), the interiors of the two groups of cooling water tanks (5) are installed with water pumps (503) by bolts, the input ends of the two groups of water pumps (503) are connected to water pumping pipes (504), the output ends of the two groups of water pumps (503) are connected to disc-shaped cooling pipes (505), and the two groups of disc-shaped cooling pipes (505) are respectively connected to the two groups of injection mold bodies (401).

Citation Information

Patent Citations

  • Distributed multi-mold-cavity injection mold

    CN117734116A