Rapid ejection structure of injection mold

Abstract

The utility model discloses a quick ejection structure of an injection mold, which is used for an injection mold and comprises a hydraulic part, a pushing mechanism and a limiting part, the hydraulic part is arranged on one side of a sliding part close to the injection mold, the pushing mechanism is arranged on the inner wall of the hydraulic part, and the limiting part is arranged at one end of the injection mold close to the pushing mechanism. The hydraulic part, the pushing mechanism and the limiting part are arranged on one side of the injection mold, when the injection mold is demolded, the forming mold and the hydraulic mold can leave the injection mold under the pulling of the sliding frame and the auxiliary sliding rod, and the pushing rod on one side of the sliding frame and the connecting plate can be limited by the limiting rod and the limiting plate; when the hydraulic mold is demolded, the ejection rod and the connecting plate are resisted to extrude the spring, then the ejection rod ejects the ejection plate, the ejection plate is stressed to eject the molding mold, the ejection plate completely wraps the outer wall of the hydraulic mold, and the ejection plate is attached to one side of the main molding mold during demolding, so that the ejection plate quickly and completely separates the molding mold.

Description

Technical Field

[0001] This utility model relates to the field of injection mold design technology, and in particular to a rapid ejection structure for injection molds. Background Technology

[0002] Injection molds are tools used to give plastic products a complete structure and precise dimensions. During the injection molding process, molten plastic is injected into the mold cavity under high pressure by an injection molding machine. After cooling, it solidifies to form the final product. Currently, injection molds on the market are often used in conjunction with demolding mechanisms. After the injection mold molds the raw materials, most of the molded material adheres to the outer wall of the injection mold. At this point, a demolding mechanism is needed to eject it. A conventional demolding mechanism consists of multiple springs and ejector rods. When multiple injection molds slide out, the injection molds squeeze one side of the springs. Multiple ejector rods extend out of the injection mold under the pressure of the springs. The extended parts of the ejector rods push the molded material out of the outer wall of the injection mold, achieving demolding. During demolding, the molded material still retains residual heat. When the surface of the finished product is pushed, it may deform. At the same time, the ejector rods may cause wear on the finished product while pushing it out of the mold, affecting the quality of the finished product. Therefore, a rapid ejection structure for injection molds has been designed. Utility Model Content

[0003] The purpose of this invention is to provide a rapid ejection structure for injection molds to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a quick ejection structure for injection molds, applied to injection molds, including a sliding part, wherein the sliding part is disposed on one side of the injection mold;

[0005] The hydraulic unit is located on the side of the sliding part near the injection mold;

[0006] A push mechanism is disposed on the inner wall of the hydraulic unit, and the push mechanism is used to push out the finished product after injection molding;

[0007] A limiting part is provided at one end of the injection mold near the pushing mechanism, and the limiting part is used to restrict the movement of the pushing mechanism.

[0008] Preferably, the sliding part includes:

[0009] Main sliding rods, a plurality of said main sliding rods are arranged around one side of the injection mold;

[0010] A sliding frame is provided at the end of the main sliding rod away from the injection mold.

[0011] Preferably, a secondary sliding rod is provided on the side of the sliding frame away from the main sliding rod, an injection hole is provided on the inner wall of the injection mold, and the hydraulic unit is provided on the outer wall of the main sliding rod.

[0012] Preferably, the hydraulic unit includes:

[0013] A hydraulic frame, which is slidably connected to the outer wall of the main sliding rod;

[0014] A hydraulic mold is provided, which is located at one end of a hydraulic frame near the injection mold, and the jacking mechanism is located at the connection between the hydraulic mold and the hydraulic frame.

[0015] Preferably, the pushing mechanism includes:

[0016] A push plate, the inner wall of which is sleeved with the outer wall of the hydraulic mold;

[0017] A push rod is provided at the end of the push plate away from the injection mold, and the outer wall of the push rod is slidably connected to the inner wall of the hydraulic frame.

[0018] Preferably, the outer wall of the push rod is provided with a spring, the end of the push rod near the spring is provided with a connecting plate, and the limiting part is provided at the end of the injection mold near the connecting plate.

[0019] Preferably, the limiting portion includes:

[0020] Limiting rods, a plurality of the limiting rods are symmetrically arranged laterally on the outer wall of the injection mold;

[0021] Limiting plates, multiple limiting plates are disposed at one end of multiple limiting rods near the connecting plate.

[0022] The technical effects and advantages of this utility model are as follows:

[0023] This utility model utilizes a hydraulic unit, a pushing mechanism, and a limiting unit on one side of the injection mold. When demolding the injection mold, the forming mold and the hydraulic mold will be pulled away from the injection mold by the sliding frame and the auxiliary sliding rod. During the sliding process of the hydraulic mold and the sliding frame, the pushing rod and the connecting plate on one side of the sliding frame will be limited by the limiting rod and the limiting plate. At the same time, the limiting plate will resist the connecting plate. The pushing rod and the connecting plate will compress the spring due to the resistance. Then the pushing rod will push the pushing plate. The pushing plate will then push the forming mold under force. The forming mold will be pushed out of the outer wall of the hydraulic mold by the pushing plate, achieving stable demolding. The pushing plate completely wraps around the outer wall of the hydraulic mold. When demolding, the pushing plate will adhere to one side of the main forming mold, so that the pushing plate can quickly and completely detach the forming mold. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the main structure of the present utility model.

[0025] Figure 2 This is a side view of the main structure of this utility model.

[0026] Figure 3 This is a top view of the main structure of this utility model.

[0027] Figure 4 This is a side sectional view of the main structure of this utility model.

[0028] In the diagram: 1. Injection mold; 101. Injection hole; 2. Sliding part; 201. Main sliding rod; 202. Sliding frame; 203. Secondary sliding rod; 3. Hydraulic part; 301. Hydraulic frame; 302. Hydraulic mold; 4. Pushing mechanism; 401. Pushing plate; 402. Pushing rod; 403. Spring; 404. Connecting plate; 5. Limiting rod; 501. Limiting plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] This utility model provides, for example Figure 1-4 Shown:

[0031] A quick ejection structure for injection molds is applied to injection mold 1, including a sliding part 2, which is disposed on one side of injection mold 1;

[0032] Hydraulic unit 3 is located on the side of sliding part 2 near injection mold 1;

[0033] Push mechanism 4 is located on the inner wall of hydraulic part 3 and is used to push out the finished product after injection molding.

[0034] A limiting part is provided at one end of the injection mold 1 near the push mechanism 4. The limiting part is used to restrict the movement of the push mechanism 4.

[0035] Specifically, the sliding part 2 includes:

[0036] Main sliding rod 201, multiple main sliding rods 201 are arranged around one side of the injection mold 1;

[0037] A sliding frame 202 is located at the end of the main sliding rod 201 away from the injection mold 1. A secondary sliding rod 203 is located on the side of the sliding frame 202 away from the main sliding rod 201. An injection hole 101 is provided on the inner wall of the injection mold 1. A hydraulic unit 3 is located on the outer wall of the main sliding rod 201.

[0038] It should be noted that the main sliding rod 201, the sliding frame 202, and the auxiliary sliding rod 203 are based on the moving parts of the XDL-108T injection molding machine. The main sliding rod 201 can be divided into an inner rod and an outer rod. The inner rod is slidably connected to the inner wall of the outer rod. The inner rod is located on one side of the injection mold 1, and the outer rod is located on one side of the sliding frame 202. One end of the auxiliary sliding rod 203 is connected to the pushing component of the injection molding machine. When the auxiliary sliding rod 203 slides, it drives the sliding frame 202 to slide, and the sliding frame 202 drives the main sliding rod 201 to slide. The inner rod of the main sliding rod 201 slides on the inner wall of the outer rod.

[0039] Specifically, hydraulic unit 3 includes:

[0040] Hydraulic frame 301 is slidably connected to the outer wall of main sliding rod 201;

[0041] The hydraulic mold 302 is located at one end of the hydraulic frame 301 near the injection mold 1, and the push mechanism 4 is located at the connection between the hydraulic mold 302 and the hydraulic frame 301.

[0042] It should be noted that the hydraulic frame 301 is located in the middle section of the outer wall of the main sliding rod 201. When the main sliding rod 201 drives the hydraulic frame 301 and the hydraulic mold 302 to slide towards the injection mold 1, the outer wall of the hydraulic mold 302 will be interlocked with the inner wall of the injection mold 1. The connection between the injection mold 1 and the hydraulic mold 302 will form a closed injection space. One side of the injection hole 101 is connected to the injection pipeline. The raw material is put into the injection space of the injection mold 1 and the hydraulic mold 302 through the injection pipeline. After cooling, the raw material will be injection molded.

[0043] Specifically, the jacking mechanism 4 includes:

[0044] The inner wall of the push plate 401 is sleeved with the outer wall of the hydraulic mold 302.

[0045] A push rod 402 is disposed at the end of the push plate 401 away from the injection mold 1. The outer wall of the push rod 402 is slidably connected to the inner wall of the hydraulic frame 301. A spring 403 is disposed on the outer wall of the push rod 402. A connecting plate 404 is disposed at the end of the push rod 402 near the spring 403. A limiting part is disposed at the end of the injection mold 1 near the connecting plate 404. The limiting part includes:

[0046] Limiting rods 5, multiple limiting rods 5 are symmetrically arranged horizontally on the outer wall of the injection mold 1;

[0047] Limiting plates 501, multiple limiting plates 501 are disposed at one end of multiple limiting rods 5 near the connecting plate 404.

[0048] It should be noted that the inner wall of the hydraulic frame 301 is provided with a movable groove, and the push rod 402 passes through the inner wall of the movable groove. One side of the push rod 402 is connected to the push plate 401, which is fitted onto the connection between the hydraulic mold 302 and the hydraulic frame 301. When the operator slides the secondary sliding rod 203 in the reverse direction to demold, the hydraulic mold 302 and the hydraulic frame 301 will separate from the injection mold 1, and the molded product will adhere to the outer wall of the hydraulic mold 302. During the reverse sliding process of the hydraulic mold 302 and the hydraulic frame 301, the hydraulic frame 301... 01 drives the push rod 402 to slide to one side of the limiting plate 501. Under the restriction of the limiting plate 501, the push rod 402 and the connecting plate 404 will resist each other on one side of the limiting plate 501. The push rod 402 and the connecting plate 404 will compress the spring 403. At the same time, one side of the push rod 402 will push the push plate 401. The push plate 401 will slide on the outer wall of the hydraulic mold 302. The sliding push plate 401 will push the attached product and push the product out of the hydraulic mold 302. Then the operator can continue to start the injection molding machine to operate repeatedly.

[0049] Working principle of this utility model:

[0050] The specific operation is as follows: the input end of the injection hole 101 needs to be connected to the injection pipe. When the operator is working on the injection mold, the auxiliary sliding rod 203 pushes the sliding frame 202 to slide towards one side of the injection mold 1. At the same time, the sliding frame 202 drives the hydraulic frame 301 and the hydraulic mold 302 to slide on the outer wall of the main sliding rod 201. The hydraulic frame 301 and the hydraulic mold 302 slide to one side of the injection mold 1 and fit together. The hydraulic mold 302 will be sleeved and sealed on the inner wall of the injection mold 1. Then, the injection pipe will input the raw material into the injection hole 101. The raw material fills the closed space between the hydraulic mold 302 and the injection mold 1 through the injection hole 101. After the raw material cools and solidifies, the auxiliary sliding rod 203 will pull back the sliding frame 202, causing the sliding frame 202 to move... The hydraulic frame 301 and the hydraulic mold 302 slide away from the injection mold 1. The formed product will slide together on the outer wall of the hydraulic mold 302. During the reverse sliding process of the hydraulic mold 302 and the sliding frame 202, one side of the connecting plate 404 will push against one side of the limiting plate 501. Under the working sliding of the auxiliary sliding rod 203, the connecting plate 404 will squeeze against the limiting plate 501. During the squeezing process, the connecting plate 404 will squeeze the spring 403 and compress it. At the same time, the connecting plate 404 will push the pushing plate 401 towards one end of the injection mold 1 through the pushing rod 402. Then, the pushing plate 401 will push the product on the outer wall of the hydraulic mold 302 and push the product out of the hydraulic mold 302, realizing the rapid ejection of the product.

[0051] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rapid ejection structure for injection molds, applied to injection molds (1), characterized in that, include: A sliding part (2) is provided on one side of the injection mold (1); Hydraulic unit (3), the hydraulic unit (3) is disposed on the side of the sliding part (2) near the injection mold (1); Push mechanism (4), the push mechanism (4) is disposed on the inner wall of the hydraulic part (3), the push mechanism (4) is used to push out the finished product after injection molding; A limiting part is provided at one end of the injection mold (1) near the push mechanism (4), and the limiting part is used to restrict the movement of the push mechanism (4).

2. The rapid ejection structure for an injection mold according to claim 1, characterized in that, The sliding part (2) includes: Main sliding rods (201), a plurality of said main sliding rods (201) are arranged around one side of the injection mold (1); A sliding frame (202) is disposed at the end of the main sliding rod (201) away from the injection mold (1).

3. The rapid ejection structure for an injection mold according to claim 2, characterized in that, The sliding frame (202) has a secondary sliding rod (203) on the side away from the main sliding rod (201), the inner wall of the injection mold (1) has an injection hole (101), and the hydraulic unit (3) is located on the outer wall of the main sliding rod (201).

4. The rapid ejection structure for an injection mold according to claim 3, characterized in that, The hydraulic unit (3) includes: A hydraulic frame (301) is slidably connected to the outer wall of the main sliding rod (201); A hydraulic mold (302) is provided at one end of the hydraulic frame (301) near the injection mold (1), and the pushing mechanism (4) is provided at the connection between the hydraulic mold (302) and the hydraulic frame (301).

5. The rapid ejection structure for an injection mold according to claim 4, characterized in that, The pushing mechanism (4) includes: A push plate (401) is provided, the inner wall of which is sleeved with the outer wall of the hydraulic mold (302). A push rod (402) is provided at one end of the push plate (401) away from the injection mold (1), and the outer wall of the push rod (402) is slidably connected to the inner wall of the hydraulic frame (301).

6. The rapid ejection structure for an injection mold according to claim 5, characterized in that, The outer wall of the push rod (402) is provided with a spring (403), and a connecting plate (404) is provided at one end of the push rod (402) near the spring (403). The limiting part is provided at one end of the injection mold (1) near the connecting plate (404).

7. The rapid ejection structure for an injection mold according to claim 6, characterized in that, The limiting part includes: Limiting rods (5), a plurality of the limiting rods (5) are symmetrically arranged horizontally on the outer wall of the injection mold (1); Limiting plates (501), a plurality of the limiting plates (501) are disposed at one end of a plurality of limiting rods (5) near the connecting plate (404).

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