Injection mold with easy demolding

Abstract

This utility model belongs to the field of injection mold technology, specifically an injection mold for easy demolding, including an injection molding machine and an ejector mechanism; wherein, the ejector mechanism includes an upper mold base, a chain, a lower mold base, and an ejector block; wherein, the upper mold base is disposed on the inner wall of the injection molding machine; the two ends of the chain are respectively connected to the outer walls of the upper mold base and the lower mold base; the ejector block is disposed on the lower mold base. In this utility model, the upper mold base, under the action of the chain, drives the lower mold base to rise, causing the ejector block to eject the molded injection part from the injection mold, achieving automatic demolding.

Description

Technical Field

[0001] This utility model belongs to the field of injection mold technology, specifically an injection mold that is easy to demold. Background Technology

[0002] An injection molding machine is a molding equipment that uses plastic molds to mold thermoplastic or thermosetting materials into various shapes of plastic products. Injection molding is achieved through an injection molding machine and an injection mold.

[0003] In the existing technology, the molded injection parts may stick to the inner wall of the injection mold after molding, making demolding difficult. In this case, the workers need to demold manually, which increases the workload and reduces the work efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide an injection mold that facilitates demolding, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the first aspect of this utility model proposes an injection mold that facilitates demolding, characterized in that it includes an injection molding machine and an ejector mechanism; wherein the ejector mechanism includes an upper mold base, a chain, a lower mold base, and an ejector block; wherein the upper mold base is disposed on the inner wall of the injection molding machine; the two ends of the chain are respectively connected to the outer wall of the upper mold base and the outer wall of the lower mold base; and the ejector block is disposed on the lower mold base.

[0006] In addition, the injection mold for easy demolding proposed above according to this utility model may also have the following additional technical features: Specifically, a limit post is provided on the lower mold base; a spring is sleeved on the outer wall of the limit post.

[0007] Specifically, an auxiliary rod is provided on the lower mold base.

[0008] Specifically, the injection molding machine is equipped with a cooling assembly, which includes a water pump, a water supply pipe, a water tank, and a water outlet pipe. The water pump is located outside the injection molding machine; the water supply pipe is connected to the input end of the water pump; the water tank is located at the other end of the water supply pipe; and the water outlet pipe is connected to the output end of the water pump.

[0009] Specifically, the injection molding machine is equipped with protective components on its exterior, including a protective frame, a protective door, and a handle; wherein, the protective frame is located on the exterior of the injection molding machine; the protective door is installed inside the protective frame; and the handle is fixed to the outer wall of the protective door.

[0010] Specifically, guide columns are installed on the inner wall of the injection molding machine.

[0011] Specifically, the inner wall of the injection molding machine is equipped with a soft pad.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The upper mold base of this invention drives the lower mold base to rise under the action of the chain, so that the ejector block ejects the molded injection part from the injection mold, realizing automatic demolding.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings; wherein: Figure 1 This is a schematic diagram of the overall structure according to the present invention; Figure 2 This is a schematic diagram of the structure of the chain and the lower mold base used in conjunction with this utility model; Figure 3 This is a schematic diagram of the cooling assembly according to the present invention; Figure 4 This is a structural schematic diagram of the material feeding mechanism according to this utility model.

[0015] In the diagram: 1. Injection molding machine; 2. Ejection mechanism; 21. Upper mold base; 22. Chain; 23. Lower mold base; 24. Limiting post; 25. Spring; 26. Ejector block; 27. Auxiliary rod; 3. Cooling assembly; 31. Water pump; 32. Water supply pipe; 33. Water tank; 34. Water outlet pipe; 4. Protective assembly; 41. Protective frame; 42. Protective door; 43. Handle; 5. Guide post; 6. Soft pad. Detailed Implementation

[0016] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the accompanying drawings; wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0017] The following description, with reference to the accompanying drawings, describes an embodiment of the present invention of an injection mold that facilitates demolding.

[0018] like Figures 1-4 As shown, an injection mold for easy demolding according to an embodiment of the present invention includes an injection molding machine 1 and an ejector mechanism 2; The ejector mechanism 2 includes an upper mold base 21, a chain 22, a lower mold base 23, and an ejector block 26. The upper mold base 21 is set on the inner wall of the injection molding machine 1, the two ends of the chain 22 are connected to the outer wall of the upper mold base 21 and the outer wall of the lower mold base 23 respectively, and the ejector block 26 is set on the lower mold base 23.

[0019] Limit pins 24 are provided on the lower mold base 23. A spring 25 is fitted on the outer wall of the limiting post 24.

[0020] An auxiliary rod 27 is provided on the lower mold base 23.

[0021] Specifically, when it is necessary to eject the molded part, the injection molding machine 1 is started. The injection molding machine 1 injects molten plastic into the injection mold. After the plastic cools and solidifies, the upper mold base 21, under the action of the chain 22, drives the lower mold base 23 to rise. At this time, the spring 25 is compressed, and the ejector block 26 rises under the action of the lower mold base 23, thereby ejecting the molded part from the injection mold, realizing automatic demolding and improving work efficiency. At the same time, the setting of the auxiliary rod 27 makes the lower mold base 23 more stable during the rising process, avoiding the injection mold shaking, and further ensuring the molding quality of the injection molded part.

[0022] In one embodiment of this utility model, such as Figure 1 As shown, the injection molding machine 1 is externally equipped with a cooling assembly 3, which includes a water pump 31, a water supply pipe 32, a water tank 33, and a water outlet pipe 34. The water pump 31 is located outside the injection molding machine 1, the water supply pipe 32 is connected to the input end of the water pump 31, the water tank 33 is located at the other end of the water supply pipe 32, and the water outlet pipe 34 is connected to the output end of the water pump 31.

[0023] Specifically, during injection molding, the water pump 31 is started, and the water pump 31 draws cooling water from the water tank 33 through the water supply pipe 32 and delivers the cooling water to the injection molding machine 1 through the water outlet pipe 34 to cool the injection mold, accelerate the solidification speed of the plastic, and thus shorten the production cycle. After cooling is completed, the cooling water flows back to the water tank 33 through the return water pipe, realizing the recycling of cooling water and improving the utilization rate of resources.

[0024] In one embodiment of this utility model, such as Figure 1 As shown, the injection molding machine 1 is provided with a protective component 4 on its exterior. The protective component 4 includes a protective frame 41, a protective door 42, and a handle 43.

[0025] The protective frame 41 is located outside the injection molding machine 1, the protective door 42 is installed inside the protective frame 41, and the handle 43 is fixed to the outer wall of the protective door 42.

[0026] Specifically, during operation, the protective door 42 is opened by the handle 43, the mold to be injected is placed into the injection molding machine 1, and the protective door 42 is closed to start the injection molding machine 1 for injection operation; by setting the protective component 4, the safety of the injection molding process is improved.

[0027] In one embodiment of this utility model, such as Figure 1 As shown, guide posts 5 are provided on the inner wall of injection molding machine 1.

[0028] Understandably, the guide post 5 is used to guide the upper mold base 21 and the lower mold base 23, so that the upper mold base 21 and the lower mold base 23 can move smoothly along the guide post 5 during the mold closing and opening process, avoiding mold misalignment and displacement, and ensuring the accuracy and stability of the mold.

[0029] In one embodiment of this utility model, such as Figure 1 As shown, a soft pad 6 is provided on the inner wall of the injection molding machine 1.

[0030] Understandably, by setting up the soft pad 6, the impact of the upper mold base 21 and the lower mold base 23 on the inner wall of the injection molding machine 1 during mold closing can be reduced, thus preventing damage to the injection molding machine 1 and also reducing noise.

[0031] Working principle: After injection molding is completed, the ejector mechanism 2 is activated. At this time, the upper mold base 21 begins to rise under the traction of the chain 22, driving the lower mold base 23 and the ejector block 26 installed on it to rise together; by setting the limit post 24 and the spring 25, the ejector block 26 can stably eject the molded injection part from the injection mold during the rising process, realizing fast and efficient automatic demolding; during injection molding, the water pump 31 is activated, and the water pump 31 draws cooling water from the water tank 33 through the water supply pipe 32, and delivers the cooling water to the inside of the injection molding machine 1 through the water outlet pipe 34 to cool the injection mold, accelerate the solidification speed of the molten plastic, and thus shorten the production cycle; after cooling, the cooling water flows back to the water tank 33 through the return water pipe, realizing the recycling of cooling water and improving the utilization rate of resources.

[0032] In summary, under the action of the chain 22, the upper mold base 21 of this utility model drives the lower mold base 23 to rise, so that the ejector block 26 ejects the molded injection part from the injection mold, thereby realizing automatic demolding.

[0033] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0035] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An injection mold for easy demolding, characterized in that, It includes an injection molding machine (1) and an ejector mechanism (2); The ejector mechanism (2) includes an upper mold base (21), a chain (22), a lower mold base (23), and an ejector block (26). The upper mold base (21) is disposed on the inner wall of the injection molding machine (1); The two ends of the chain (22) are respectively connected to the outer wall of the upper mold base (21) and the outer wall of the lower mold base (23); The ejector block (26) is disposed on the lower mold base (23).

2. The injection mold for easy demolding according to claim 1, characterized in that, Limiting posts (24) are provided on the lower mold base (23); The outer wall of the limiting post (24) is fitted with a spring (25).

3. The injection mold for easy demolding according to claim 1, characterized in that, An auxiliary rod (27) is provided on the lower mold base (23).

4. The injection mold for easy demolding according to claim 1, characterized in that, The injection molding machine (1) is provided with a cooling assembly (3) on its exterior; the cooling assembly (3) includes a water pump (31), a water supply pipe (32), a water tank (33) and a water outlet pipe (34). The water pump (31) is located outside the injection molding machine (1); The water supply pipe (32) is connected to the input end of the water pump (31); The water tank (33) is located at the other end of the water supply pipe (32); The outlet pipe (34) is connected to the output end of the water pump (31).

5. The injection mold for easy demolding according to claim 1, characterized in that, The injection molding machine (1) is provided with a protective component (4) on its exterior; the protective component (4) includes a protective frame (41), a protective door (42) and a handle (43). The protective frame (41) is located outside the injection molding machine (1); The protective door (42) is installed inside the protective frame (41); The handle (43) is fixed to the outer wall of the protective door (42).

6. The injection mold for easy demolding according to claim 1, characterized in that, The inner wall of the injection molding machine (1) is provided with guide columns (5).

7. The injection mold for easy demolding according to claim 1, characterized in that, The inner wall of the injection molding machine (1) is provided with a soft pad (6).

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