Injection mold for middle connecting piece of clip pen

Abstract

The utility model relates to the technical field of injection molding of clip pen connecting pieces, and discloses a clip pen middle connecting piece injection mold which comprises a base, a mold base, a movable cover and a top plate, the mold base is fixedly arranged at the upper end of the base, the movable cover is arranged at the upper end of the mold base in a sliding mode, and the top plate is detachably arranged at the upper end of the movable cover. Sleeve rods are arranged at the four corners of the mold base, the four corners of the movable cover and the four corners of the top plate in a sleeving mode, the multiple sleeve rods penetrate through the base, the mold base, the movable cover and the top plate, injection molding plates are fixedly arranged on the two sides of the lower end of the movable cover, multiple dampers are fixedly arranged at the upper ends of the two injection molding plates at equal intervals, and the upper ends of the multiple dampers penetrate through the top plate. And injection molding openings are fixedly formed in the two sides of the upper end of the top plate, and a plurality of demolding plates are slidably arranged at the lower ends of the two injection molding plates and located on the two sides of the upper end of the mold base. According to the utility model, the mold is quick to assemble and convenient to maintain, and each part is convenient to replace and clean, so that better injection molding quality is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding of clip - pen connectors, in particular to an injection mold for an intermediate connector of a clip - pen. Background Technique

[0002] A clip - pen connector generally refers to a component used to fix or connect a clip and a pen. Such connectors are relatively common in office supplies and some specific tools. The production process of clip - pen connectors includes multiple steps such as design, mold making, injection molding, and assembly. An injection mold is an indispensable tool in the production of plastic products, and the quality of its design and manufacture is directly related to the molding quality and production efficiency of plastic products.

[0003] After retrieval, most injection molds for intermediate connectors of clip - pens are not convenient for deeply cleaning the internal components after use, resulting in the residual accumulation of internal raw materials and affecting the quality of the model after secondary demolding.

[0004] Therefore, those skilled in the art provide an injection mold for an intermediate connector of a clip - pen to solve the problems raised in the above background technique. Content of the Utility Model

[0005] The purpose of the content of the utility model is to solve the disadvantages existing in the prior art, and an injection mold for an intermediate connector of a clip - pen is proposed. This mold can be assembled quickly, repaired conveniently, and is convenient for replacing and cleaning each component to achieve better injection molding quality.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] An injection mold for an intermediate connector of a clip - pen, including a base, a mold base, a movable cover, and a top plate. The mold base is fixedly arranged at the upper end of the base. The movable cover is slidably arranged at the upper end of the mold base. The top plate is detachably arranged at the upper end of the movable cover. Sleeve rods are sleeved at the four corners of the base, the mold base, the movable cover, and the top plate. A plurality of the sleeve rods penetrate through the base, the mold base, the movable cover, and the top plate. Injection plates are fixedly arranged on both sides of the lower end of the movable cover. A plurality of dampers are fixedly arranged at equal intervals on the upper ends of the two injection plates. The upper ends of the plurality of dampers penetrate through the top plate. Injection ports are fixedly arranged on both sides of the upper end of the top plate. A plurality of demolding plates are slidably arranged on both sides of the lower end of the two injection plates and at both sides of the upper end of the mold base. Forming cavities are fixedly arranged at the front and rear ends inside the plurality of demolding plates. Movable plates are detachably arranged at the front and rear ends on both sides of the movable cover;

[0008] Through the above technical solution, it is assembled by a base, a mold base, a movable cover and a top plate, making it more convenient during maintenance and use. The base, the mold base, the movable cover and the top plate are overlapped and clamped with each other and placed on the sleeve rod. Subsequently, the top plate is fixed to the movable cover through the first fixing bolt. The movable plate is clamped into the clamping hole through the clamping post, and the second fixing bolt can be used to fix it to the movable cover, thus realizing the rapid assembly of the mold and then carrying out injection molding, thereby improving the convenience of the mold.

[0009] Further, a plurality of first screw holes are respectively opened at the four corners of the upper end of the top plate. First fixing bolts are threadedly arranged at the positions of the first screw holes on the upper end of the top plate. The plurality of first fixing bolts respectively penetrate through the corresponding first screw holes and are threadedly connected to the upper end of the movable cover.

[0010] Through the above technical solution, the top plate can be fixed to the movable cover through the first fixing bolt, thereby ensuring the alignment of the injection port and the injection hole.

[0011] Further, injection holes are respectively opened on both sides of the upper end of the mold base and on the upper ends of the two injection plates. Pipelines are arranged inside the two injection holes. Branch pipes are fixedly connected to the lower ends of the two pipelines.

[0012] Through the above technical solution, the raw materials can be transported to multiple chambers through the branch pipes, thereby completing multiple models at one time.

[0013] Further, the plurality of branch pipes all extend into the forming cavity.

[0014] Through the above technical solution, since the branch pipes all extend into the forming cavity, the raw materials can accurately enter the forming cavity, thereby avoiding the leakage of the raw materials.

[0015] Further, limiting plates are fixedly arranged on both sides of the movable cover. The plurality of limiting plates are respectively clamped on both sides of the demolding plate. A partition plate is fixedly arranged in the middle of the lower end of the movable cover.

[0016] Through the above technical solution, the demolding plate can be clamped through the limiting plates and the partition plate, thereby ensuring the quality of the model after molding.

[0017] Further, sliding blocks are fixedly arranged at the front and rear ends of the plurality of demolding plates. Sliding grooves are opened on the inner sides of the plurality of movable plates. The plurality of sliding blocks respectively slide inside the corresponding sliding grooves.

[0018] Through the above technical solution, by the sliding blocks respectively sliding inside the corresponding sliding grooves, the demolding plate can be opened and closed when the movable plate moves up and down.

[0019] Further, clamping holes are formed at the four corners of each of the plurality of moving plates, and clamping columns are fixedly arranged at both the front and rear ends of the moving cover. The plurality of clamping columns are respectively clamped into the corresponding clamping holes;

[0020] Through the above technical solution, by respectively clamping the clamping columns into the corresponding clamping holes, the installation of the moving plates can be preliminarily positioned.

[0021] Further, second screw holes are formed on both sides of each of the plurality of moving plates, and second fixing bolts are threadedly arranged at the front ends of the plurality of moving plates and at the corresponding second screw holes. The plurality of second fixing bolts respectively penetrate through the corresponding second screw holes and are threadedly connected to the moving cover;

[0022] Through the above technical solution, the moving plates can be fixed on the moving cover by the second fixing bolts, so that the moving plates move synchronously with the movement of the moving cover.

[0023] The utility model has the following beneficial effects:

[0024] An injection mold for an intermediate connector of a clip pen proposed by the utility model is assembled by a base, a mold base, a moving cover and a top plate, making it more convenient in the process of maintenance and use. The base, the mold base, the moving cover and the top plate are superposed and clamped with each other and placed on a sleeve rod. Subsequently, the top plate is fixed on the moving cover through a first fixing bolt. The moving plates are clamped into the clamping holes through the clamping columns, and the moving plates can be fixed on the moving cover by using second fixing bolts, so that the rapid assembly of the mold can be realized, and then the injection molding can be carried out, thereby improving the convenience of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a perspective view of an injection mold for an intermediate connector of a clip pen proposed by the utility model;

[0026] Figure 2 is an internal structural schematic diagram of an injection mold for an intermediate connector of a clip pen proposed by the utility model;

[0027] Figure 3 is a structural schematic diagram of the top plate of an injection mold for an intermediate connector of a clip pen proposed by the utility model;

[0028] Figure 4 is a structural schematic diagram of the moving cover of an injection mold for an intermediate connector of a clip pen proposed by the utility model;

[0029] Figure 5 is a structural schematic diagram of a molding mold of an injection mold for an intermediate connector of a clip pen proposed by the utility model.

[0030] Legend:

[0031] 1. Base; 2. Mold base; 3. Movable cover; 4. Top plate; 5. Sleeve rod; 6. First screw hole; 7. First fixing bolt; 8. Injection plate; 9. Damper; 10. Injection port; 11. Injection hole; 12. Pipe; 13. Branch pipe; 14. Molding cavity; 15. Stripping plate; 16. Slide block; 17. Movable plate; 18. Slide groove; 19. Clamping post; 20. Clamping hole; 21. Second screw hole; 22. Second fixing bolt; 23. Limit plate; 24. Partition plate. Detailed implementation manners

[0032] Next, the technical solutions in the specific implementation manners of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the specific implementation manners of the present utility model. Obviously, the described specific implementation manners are only a part of the specific implementation manners of the present utility model, rather than all of the specific implementation manners. Based on the specific implementation manners of the present utility model, all other specific implementation manners obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0033] Referring to Figures 1-5 , a specific implementation manner provided by the present utility model: an injection mold for the middle connector of a clip pen, including a base 1, a mold base 2, a movable cover 3 and a top plate 4. The mold base 2 is fixedly arranged at the upper end of the base 1, the movable cover 3 is slidably arranged at the upper end of the mold base 2, the top plate 4 is detachably arranged at the upper end of the movable cover 3. Sleeve rods 5 are sleeved at the four corners of the base 1, the mold base 2, the movable cover 3 and the top plate 4. A plurality of sleeve rods 5 penetrate through the base 1, the mold base 2, the movable cover 3 and the top plate 4. Injection plates 8 are fixedly arranged on both sides of the lower end of the movable cover 3. A plurality of dampers 9 are fixedly arranged at equal intervals on the upper ends of the two injection plates 8. The upper ends of the plurality of dampers 9 penetrate through the top plate 4. Injection ports 10 are fixedly arranged on both sides of the upper end of the top plate 4. A plurality of stripping plates 15 are slidably arranged on both sides of the lower ends of the two injection plates 8 and at both sides of the upper end of the mold base 2. Molding cavities 14 are fixedly arranged at the front and rear ends inside the plurality of stripping plates 15. Movable plates 17 are detachably arranged at the front and rear ends on both sides of the movable cover 3. It is assembled by the base 1, the mold base 2, the movable cover 3 and the top plate 4, making it more convenient during maintenance and use. By stacking and clamping the base 1, the mold base 2, the movable cover 3 and the top plate 4 with each other and placing them on the sleeve rods 5, and then fixing the top plate 4 to the movable cover 3 through the first fixing bolt 7, and clamping the movable plate 17 into the clamping hole 20 through the clamping post 19 and fixing it to the movable cover 3 with the second fixing bolt 22, the rapid assembly of the mold can be realized, and then injection molding can be carried out, thereby improving the convenience of the mold.

[0034] At the four corners of the upper end of the top plate 4, a plurality of first screw holes 6 are provided. At the first screw holes 6 on the upper end of the top plate 4, first fixing bolts 7 are threadedly arranged. The plurality of first fixing bolts 7 respectively penetrate through the corresponding first screw holes 6 and are threadedly connected to the upper end of the movable cover 3. The top plate 4 can be fixed on the movable cover 3 through the first fixing bolts 7, thereby ensuring the alignment of the injection port 10 and the injection hole 11.

[0035] Injection holes 11 are provided on both sides of the upper end of the mold base 2 and on the upper ends of the two injection plates 8. Pipes 12 are arranged inside the two injection holes 11. Branch pipes 13 are fixedly connected to the lower ends of the two pipes 12. The raw materials can be conveyed into a plurality of cavities through the branch pipes 13, thereby completing a plurality of models at one time.

[0036] The plurality of branch pipes 13 all extend into the forming cavity 14. By extending into the forming cavity 14 through the branch pipes 13, the raw materials can accurately enter the forming cavity 14, thereby avoiding the leakage of the raw materials.

[0037] Limit plates 23 are fixedly arranged on both sides of the movable cover 3. The plurality of limit plates 23 are respectively stuck on both sides of the demolding plate 15. A partition plate 24 is fixedly arranged in the middle of the lower end of the movable cover 3. The demolding plate 15 can be clamped through the limit plates 23 and the partition plate 24, thereby ensuring the quality of the model after molding.

[0038] Sliders 16 are fixedly arranged at the front and rear ends of the plurality of demolding plates 15. Chute grooves 18 are provided inside the inner sides of the plurality of moving plates 17. The plurality of sliders 16 respectively slide inside the corresponding chute grooves 18. By sliding the sliders 16 inside the corresponding chute grooves 18 respectively, the demolding plates 15 can be opened and closed when the moving plates 17 move up and down.

[0039] Card holes 20 are provided at the four corners of the plurality of moving plates 17. Card posts 19 are fixedly arranged at the front and rear ends of the movable cover 3. The plurality of card posts 19 respectively snap into the corresponding card holes 20. By respectively snapping the card posts 19 into the corresponding card holes 20, the installation of the moving plates 17 can be initially positioned.

[0040] Second screw holes 21 are provided on both sides of the plurality of moving plates 17. Second fixing bolts 22 are threadedly arranged at the front ends of the plurality of moving plates 17 at the corresponding second screw holes 21. The plurality of second fixing bolts 22 respectively penetrate through the corresponding second screw holes 21 and are threadedly connected to the movable cover 3. The moving plates 17 can be fixed on the movable cover 3 through the second fixing bolts 22, so that the moving plates 17 move synchronously with the movement of the movable cover 3.

[0041] Working principle: When the injection mold for the middle connecting piece of the clip pen is in use, first, the base 1, the mold base 2, the movable cover 3, and the top plate 4 are stacked and clamped to each other and placed on the sleeve rod 5. Subsequently, the top plate 4 is fixed to the movable cover 3 through the first fixing bolt 7. The movable plate 17 is clamped into the clamping hole 20 through the clamping post 19, and it can be fixed to the movable cover 3 by using the second fixing bolt 22, thus realizing the rapid assembly of the mold and then being used for injection molding. Then, during injection molding, the raw material is poured into the injection port 10. The raw material passes through the injection port 10, through the injection hole 11, and enters the pipeline 12, and then enters the branch pipe 13 and reaches the molding cavity 14. After a period of time, the movable cover 3 is lifted upward, and the movable plate 17, the limiting plate 23, and the injection plate 8 move accordingly. Then, the demolding plate 15 moves to both sides under the influence of the sliding of the slider 16 inside the chute 18, thereby realizing the demolding action. On the contrary, the demolding plate 15 moves inward under the influence of the sliding of the slider 16 inside the chute 18, that is, the demolding plates 15 are combined, and the raw material can be injected into the molding cavity 14 again.

[0042] Finally, it should be noted that the above are only the preferred specific embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing specific embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection mold for the middle connecting piece of a clip pen, comprising a base (1), a mold base (2), a movable cover (3) and a top plate (4), characterized in that: The mold base (2) is fixedly arranged at the upper end of the base (1), the movable cover (3) is slidably arranged at the upper end of the mold base (2), the top plate (4) is detachably arranged at the upper end of the movable cover (3), and sleeve rods (5) are sleeved at the four corners of the base (1), the mold base (2), the movable cover (3) and the top plate (4). A plurality of the sleeve rods (5) penetrate through the base (1), the mold base (2), the movable cover (3) and the top plate (4). Injection plates (8) are fixedly arranged on both sides of the lower end of the movable cover (3). A plurality of dampers (9) are fixedly arranged at equal intervals on the upper ends of the two injection plates (8). The upper ends of the plurality of dampers (9) penetrate through the top plate (4). Injection ports (10) are fixedly arranged on both sides of the upper end of the top plate (4). A plurality of demolding plates (15) are slidably arranged on both sides of the lower ends of the two injection plates (8) and at both sides of the upper end of the mold base (2). Forming cavities (14) are fixedly arranged at the front and rear ends inside the plurality of demolding plates (15). Movable plates (17) are detachably arranged at the front and rear ends on both sides of the movable cover (3).

2. The injection mold for the middle connecting piece of a clip pen according to claim 1, characterized in that: A plurality of first screw holes (6) are formed at the four corners of the upper end of the top plate (4). First fixing bolts (7) are threadedly arranged at the positions of the first screw holes (6) on the upper end of the top plate (4). The plurality of first fixing bolts (7) respectively penetrate through the corresponding first screw holes (6) and are threadedly connected to the upper end of the movable cover (3).

3. The injection mold for the intermediate connector of a clip pen according to claim 1, wherein: Injection holes (11) are formed on both sides of the upper end of the mold base (2) and on the upper ends of the two injection plates (8). Pipelines (12) are arranged inside the two injection holes (11). Branch pipes (13) are fixedly connected to the lower ends of the two pipelines (12).

4. The injection mold for the middle connecting piece of a clip pen according to claim 3, characterized in that: A plurality of the branch pipes (13) extend into the forming cavities (14).

5. The injection mold for the middle connecting piece of a clip pen according to claim 1, wherein: Limiting plates (23) are fixedly arranged on both sides of the movable cover (3). The plurality of limiting plates (23) are respectively stuck on both sides of the demolding plates (15). A partition plate (24) is fixedly arranged in the middle of the lower end of the movable cover (3).

6. The injection mold for the intermediate connector of a clip pen according to claim 1, characterized in that: Sliders (16) are fixedly arranged at the front and rear ends of the plurality of demolding plates (15). Chute grooves (18) are formed on the inner sides of the plurality of movable plates (17). The plurality of sliders (16) respectively slide inside the corresponding chute grooves (18).

7. The injection mold for the middle connecting piece of a clip pen according to claim 1, wherein: Card holes (20) are formed at the four corners of the plurality of movable plates (17). Clamping posts (19) are fixedly arranged at the front and rear ends of the movable cover (3). The plurality of clamping posts (19) respectively are clamped into the corresponding card holes (20).

8. The injection mold for the middle connecting piece of the clip pen according to claim 1, wherein: Second screw holes (21) are formed on both sides of the plurality of movable plates (17). Second fixing bolts (22) are threadedly arranged at the positions of the corresponding second screw holes (21) at the front ends of the plurality of movable plates (17). The plurality of second fixing bolts (22) respectively penetrate through the corresponding second screw holes (21) and are threadedly connected to the movable cover (3).

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