Injection mold structure

Abstract

The utility model discloses an injection mold structure which comprises a mold plate, grooves are formed in the two sides of the top of the mold plate, a through opening groove is formed in one side of an inner cavity of each groove, a connecting plate is fixedly installed in each through opening groove, and a limiting frame is fixedly installed on one side of each connecting plate. According to the injection mold structure, the connecting plate is installed on the through opening groove, and the limiting frame is installed on the connecting plate, so that the limiting frame can limit the PIN in a sliding mode, the PIN can be effectively prevented from swinging and springing in the injection molding process, and the accuracy of an injection mold is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and specifically relates to an injection mold structure. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used when mass-producing some parts with complex shapes. Specifically, it means injecting the heat-melted plastic into the mold cavity under high pressure by an injection molding machine, and after cooling and solidifying, the forming is obtained.

[0003] When the existing plastic mold is in use, it is difficult to form the injection molding PIN needle, which easily causes broken PIN or die pressing, burrs, etc. at the through-hole position, affecting the normal use of the injection mold. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an injection mold structure, which solves the problems that it is difficult to form the injection molding PIN needle, and it easily causes broken PIN or die pressing, burrs, etc. at the through-hole position.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: an injection mold structure, including a mold plate, both sides of the top of the mold plate are provided with grooves, one side of the inner cavity of the groove is provided with a through-hole groove, a connecting plate is fixedly installed inside the through-hole groove, a limiting frame is fixedly installed on one side of the connecting plate, and a PIN needle is slidably connected inside the limiting frame.

[0006] Preferably, an installation groove is opened at the bottom of the inner cavity of the groove, an installation plate is fixedly installed inside the installation groove, and an installation shell is fixedly installed on the surface of the installation plate.

[0007] Preferably, a fixing groove is opened on the other side of the inner cavity of the groove, and a fixing plate is fixedly installed inside the fixing groove.

[0008] Preferably, an arc groove is opened at the top of the mold plate and between the two grooves.

[0009] Preferably, sliding rods are fixedly connected to both the front and rear parts of the mold plate, sliding cylinders are slidably connected to the surfaces of the sliding rods, and a support frame is fixedly connected to one side of the sliding cylinder away from the mold plate.

[0010] Preferably, a spring is sleeved between the surface of the sliding cylinder and the surface of the sliding rod, and guide plates adapted to the PIN needle are fixedly connected to the opposite sides of the two support frames.

[0011] Advantageous Effects

[0012] The present utility model provides an injection mold structure. Compared with the existing technologies, it has the following beneficial effects:

[0013] 1. The utility model is installed on the through-port groove through a connecting plate, and a limiting frame is installed on the connecting plate, so that the limiting frame can slide and limit the PIN needle, effectively preventing the PIN needle from swaying and bouncing during the injection molding process, and ensuring the accuracy of the injection mold;

[0014] 2. The utility model guides the PIN needle through two guide plates, can quickly insert the PIN needle into the limiting frame, and is more convenient to operate. Description of the Drawings

[0015] Figure 1 is the external structure schematic diagram of the present utility model;

[0016] Figure 2 is the bottom view of the structure of the present utility model;

[0017] Figure 3 is the structure schematic diagram of the mold plate, connecting plate, limiting frame, PIN needle, mounting plate, mounting shell and mounting shell of the present utility model;

[0018] Figure 4 is the structure schematic diagram of the through-port groove, connecting plate, mounting groove, mounting plate and fixing groove of the present utility model;

[0019] Figure 5 is the structure schematic diagram of the spring, sliding rod, support frame, sliding cylinder and guide plate of the present utility model.

[0020] In the figure: 1. Mold plate; 2. Groove; 3. Through-port groove; 4. Connecting plate; 5. Limiting frame; 6. PIN needle; 7. Mounting groove; 8. Mounting plate; 9. Mounting shell; 10. Fixing groove; 11. Fixing plate; 12. Arc groove; 13. Spring; 14. Sliding rod; 15. Support frame; 16. Sliding cylinder; 17. Guide plate. Detailed Embodiment

[0021] In order to enable those skilled in the art of the present technology to better understand the technical solution of the present utility model, the following further details the products of the present utility model in conjunction with the embodiments and the drawings.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element; when an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this utility model belongs. The terms used in the description of this utility model herein are for the purpose of describing specific embodiments only and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] Please refer to Figures 1-5 This utility model provides a technical solution: an injection mold structure, including a mold plate 1. Grooves 2 are opened on both sides of the top of the mold plate 1. A through-hole groove 3 is opened on one side of the inner cavity of the groove 2. A connecting plate 4 is fixedly installed inside the through-hole groove 3. A limiting frame 5 is fixedly installed on one side of the connecting plate 4. A PIN needle 6 is slidably connected inside the limiting frame 5.

[0025] Furthermore, an installation groove 7 is opened at the bottom of the inner cavity of the groove 2. An installation plate 8 is fixedly installed inside the installation groove 7. An installation shell 9 is fixedly installed on the surface of the installation plate 8. A fixing groove 10 is opened on the other side of the inner cavity of the groove 2. A fixing plate 11 is fixedly installed inside the fixing groove 10. An arc groove 12 is opened on the top of the mold plate 1 and between the two grooves 2.

[0026] Furthermore, in order to facilitate the guiding of the installation of the PIN needle 6, sliding rods 14 are fixedly connected to both the front and rear parts of the mold plate 1. A sliding cylinder 16 is slidably connected to the surface of the sliding rod 14. A support frame 15 is fixedly connected to the side of the sliding cylinder 16 away from the mold plate 1. A spring 13 is sleeved between the surface of the sliding cylinder 16 and the surface of the sliding rod 14. Guide plates 17 adapted to the PIN needle 6 are fixedly connected to the opposite sides of the two support frames 15. The opposite surfaces of the two guide plates 17 are inclined smooth surfaces.

[0027] During use, by installing the installation plate 8 in the installation groove 7, the installation shell 9 is sleeved on the surface of the installation plate 8, and the fixing plate 11 is installed in the fixing groove 10. By installing the connecting plate 4 in the through-hole groove 3, through the limiting frame 5 on the connecting plate 4, and then aligning the PIN needle 6 downward with the two guide plates 17, the PIN needle 6 will squeeze and push the two guide plates 17 to move forward and backward respectively. Through the acting force of the spring 13, the two guide plates 17 guide the PIN needle 6, and the PIN needle 6 can be quickly limited and clamped in the limiting frame 5.

[0028] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model; any ordinary technician in the industry can smoothly implement the present utility model according to what is shown in the accompanying drawings of the specification and the above description; however, any slight changes, modifications and equivalent variations made by those skilled in the art within the scope of the technical solution of the present utility model by using the technical content disclosed above are all equivalent embodiments of the present utility model; at the same time, any changes, modifications and evolutions made to the above embodiments according to the substantial technology of the present utility model are still within the technical solution of the present utility model.

Claims

1. An injection mold structure, comprising a mold plate (1), characterized in that: On both sides of the top of the mold plate (1), grooves (2) are provided. On one side of the inner cavity of the groove (2), a through-port groove (3) is provided. Inside the through-port groove (3), a connecting plate (4) is fixedly installed. On one side of the connecting plate (4), a limiting frame (5) is fixedly installed. Inside the limiting frame (5), a PIN needle (6) is slidably connected.

2. The injection mold structure according to claim 1, wherein: At the bottom of the inner cavity of the groove (2), an installation groove (7) is provided. Inside the installation groove (7), an installation plate (8) is fixedly installed. On the surface of the installation plate (8), an installation shell (9) is fixedly installed.

3. The injection mold structure according to claim 1, characterized in that: On the other side of the inner cavity of the groove (2), a fixing groove (10) is provided. Inside the fixing groove (10), a fixing plate (11) is fixedly installed.

4. A structure of an injection mold according to claim 1, characterized in that: On the top of the mold plate (1) and between the two grooves (2), an arc-shaped groove (12) is provided.

5. The injection mold structure according to claim 1, characterized in that: At the front and rear of the mold plate (1), sliding rods (14) are fixedly connected. On the surface of the sliding rods (14), sliding cylinders (16) are slidably connected. On the side of the sliding cylinder (16) away from the mold plate (1), a support frame (15) is fixedly connected.

6. The injection mold structure according to claim 5, wherein: A spring (13) is sleeved between the surface of the sliding cylinder (16) and the surface of the sliding rod (14). On the relatively-facing sides of the two support frames (15), guide plates (17) adapted to the PIN needle (6) are fixedly connected.

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