Double-color keycap injection mold
By combining the guide post, inner sliding plate, and ejector pin, the positioning deviation problem of the ejection guide structure in the two-color keycap injection mold is solved, thereby improving the stability of the mold and the quality of the injection molded products.
Patent Information
- Application Number
- CN202423212426.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The ejection guide structure of existing two-color keycap injection molds is prone to ejector pin positioning deviation and inaccurate movement trajectory after long-term use, which affects mold performance and the quality of injection molded products.
It adopts a combination structure of guide pin, inner sliding plate, No. 1 ejector pin and No. 2 ejector pin. The guide pin is driven by an external device, which drives the inner sliding plate and ejector pin to move. Combined with the fixed outer plate and limit slide of the guide assembly, the stability and guiding accuracy of the ejector pin are improved.
This achieved stable ejection of the dual-color keycaps, improving the overall performance of the mold and the quality of the injection molded products.
Smart Images

Figure CN223573693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, concretely is a two -color key cap injection mold. BACKGROUND
[0002] Two -color key cap, also be called two -color forming key cap or two -color injection key cap, it is a special key cap processing technology, two -color key cap blank mostly adopts two -color injection molding machine and carries out injection molding, and the injection molding process needs to realize through two -color injection mold and two -color injection molding machine, can two different materials injection molding to same set mold, thereby realizes the part of injection molding has two colors, but the existing two -color key cap injection mold's ejection guide structure is under the long -time use and wear after, easy to appear the deviation of ejector pin positioning, the inaccuracy of motion trajectory, and then influence the overall performance of mould and the quality of injection molding product. SUMMARY
[0003] The utility model discloses a two -color key cap injection mold aims at providing a two -color key cap injection mold to solve the ejection guide structure of the existing two -color key cap injection mold in the long -time use and wear after, easy to appear the deviation of ejector pin positioning, the inaccuracy of motion trajectory, and then influence the overall performance of mould and the quality of injection molding product's problem.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a two -color key cap injection mold, comprising:
[0005] Movable seat;
[0006] Movable mold, movable mold sets up at one side of movable seat;
[0007] Two -color forming cavity, two -color forming cavity sets up at one side of movable mold;
[0008] Ejector pin assembly, the ejection assembly is placed in the inside of movable mold, the ejection assembly includes one -color ejector pin, one -color ejector pin is symmetrically slid and sets up in the inside of movable mold, the inside of movable mold is symmetrically slid and sets up with two -color ejector pin, one -color ejector pin and two -color ejector pin all are with movable seat sliding connection;
[0009] Inner sliding plate, inner sliding plate is slid and sets up in the inside of movable seat, one -color ejector pin and two -color ejector pin one end all with inner sliding plate fixed connection;
[0010] Guide top post, guide top post sets up at one side of inner sliding plate, guide top post is with movable seat sliding connection;
[0011] The guide assembly is arranged outside the guide top column, and comprises a fixed outer plate arranged outside the guide top column, one side of the fixed outer plate is symmetrically fixedly connected with a limiting sliding plate, and the outer side of the limiting sliding plate is slidably provided with a fixed side box, and one side of the fixed side box is fixedly connected with a moving seat.
[0012] As a preferred scheme of the utility model, a plurality of limiting guide rods are equidistantly arranged inside the inner sliding plate, the limiting guide rods are fixedly connected with the moving seat, a first reset spring is arranged outside the limiting guide rods, one end of the first reset spring is fixedly connected with the inner sliding plate, and the other end of the first reset spring is fixedly connected with the moving seat.
[0013] As a preferred scheme of the utility model, a second reset spring is symmetrically arranged inside the fixed side box, one end of the second reset spring is fixedly connected with the fixed side box, and the other end of the second reset spring is fixedly connected with the limiting sliding plate.
[0014] As a preferred scheme of the utility model, a limiting sliding plate is symmetrically fixedly connected with the outer side of the limiting sliding plate, and the limiting sliding plate is slidably connected with the fixed side box.
[0015] As a preferred scheme of the utility model, a fixed mold is arranged on one side of the moving mold, and a first forming cavity is formed in one side of the fixed mold and matched with the second forming cavity.
[0016] As a preferred scheme of the utility model, an injection flow channel matched with the first forming cavity is formed in one side of the fixed mold.
[0017] Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the guide top column, the inner sliding plate, the first ejector pin and the second ejector pin, the guide top column is moved under the force and drives the inner sliding plate, the first ejector pin and the second ejector pin to move, the double-color key cap material formed in the first forming cavity and the second forming cavity is stably ejected by the first ejector pin and the second ejector pin, the mold is demolded as a whole, the moving position of the guide top column is guided by the fixed outer plate, the limiting sliding plate and the fixed side box of the guide assembly, the ejecting stability of the first ejector pin and the second ejector pin is further improved by the limiting guide rods inside the inner sliding plate, and the overall performance of the mold and the quality of the injection product are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an overall structural schematic view of the utility model;
[0019] Figure 2 It is a guide assembly structural schematic view of the utility model;
[0020] Figure 3The utility model discloses a top view;
[0021] Figure 4 The utility model discloses a fixed side box structure schematic diagram;
[0022] Figure 5 The utility model discloses a second forming cavity structure schematic diagram.
[0023] In the drawing: 1, mobile seat, 2, mobile mould, 3, fixed mould, 4, first forming cavity, 5, second forming cavity, 6, first ejector pin, 7, second ejector pin, 8, inner sliding plate, 9, limiting guide rod, 10, first return spring, 11, guide jacking post, 12, fixed outer plate, 13, fixed side box, 14, limiting sliding plate, 15, injection flow channel, 16, limiting sliding plate, 17, second return spring. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.
[0025] Please refer to Figures 1 to 5 The utility model provides a kind of technical solutions: a double color key cap injection mold, comprising: mobile seat 1;Mobile mould 2 is fixedly connected in the side of mobile seat 1;Second forming cavity 5 is set up in the side of mobile mould 2;Ejector assembly is placed in the inside of mobile mould 2, and ejector assembly includes first ejector pin 6, first ejector pin 6 is symmetrically slidably arranged in the inside of mobile mould 2, the inside of mobile mould 2 is symmetrically slidably provided with second ejector pin 7, and first ejector pin 6 and second ejector pin 7 are slidably connected with mobile seat 1;Inner sliding plate 8 is slidably arranged in the inside of mobile seat 1, and one end of first ejector pin 6 and second ejector pin 7 is fixedly connected with inner sliding plate 8;Guide jacking post 11 is fixedly connected in the side of inner sliding plate 8, and guide jacking post 11 is slidably connected with mobile seat 1;Guide assembly is placed in the outside of guide jacking post 11, and guide assembly includes fixed outer plate 12, fixed outer plate 12 is fixedly connected in the outside of guide jacking post 11, and one side of fixed outer plate 12 is symmetrically fixedly connected with limiting sliding plate 14, the outside of limiting sliding plate 14 is slidably provided with fixed side box 13, and one side of fixed side box 13 is fixedly connected with mobile seat 1.
[0026] It can be understood that the utility model discloses the cooperation between the mobile mould 2 of one side of the mobile seat 1 and the fixed mould 3, the cooperation between the first forming cavity 4 and the second forming cavity 5, adopt double -color injection molding machine through the injection port in the fixed mould 3 and carry out injection molding processing, enter the first forming cavity 4 and the second forming cavity 5 through injection runner 15 and carry out forming, after injection molding, mobile mould 2 and mobile seat 1 move and move away from fixed mould 3, through the external jacking device to the jacking of guide pillar 11, guide pillar 11 jacking drives fixed outer plate 12, limit sliding plate 14 and inner sliding plate 8 to move, and inner sliding plate 8 slides in mobile seat 1, and inner sliding plate 8 moves and drives the first needle 6 and the second needle 7 to move, and the double -color key cap after injection molding is completed in the second forming cavity 5 is ejected through the first needle 6 and the second needle 7, and the outer side of the limit guide 9 is limited to slide when inner sliding plate 8 moves, and the first reset spring 10 is jacked by inner sliding plate 8, and the fixed side box 13 jacks the second reset spring 17 when limit sliding plate 14 slides in the fixed side box 13, after ejecting the double -color key cap, mobile seat 1 and mobile mould 2 move to the side of fixed mould 3, cancel the jacking of guide pillar 11, now the second reset spring 17 and the first reset spring 10 will reset, and the first reset spring 10 drives inner sliding plate 8, the first needle 6, the second needle 7 and guide pillar 11 reset, and simultaneously the second reset spring 17 drives limit sliding plate 14, fixed outer plate 12, guide pillar 11 reset, and the reset stability of the first needle 6 and the second needle 7 is improved.
[0027] Please refer to Figures 1 to 5 The inside of the inner sliding plate 8 is provided with a plurality of limit guide rods 9 that slide equidistantly, the limit guide rods 9 are fixedly connected with the mobile seat 1, a first reset spring 10 is sleeved on the outside of the limit guide rods 9, one end of the first reset spring 10 is fixedly connected with the inner sliding plate 8, and the other end of the first reset spring 10 is fixedly connected with the mobile seat 1.
[0028] It can be understood that the utility model improves the moving stability of the first needle 6 and the second needle 7 by limiting the sliding position of the inner sliding plate 8 through the limit guide rods 9, and resets the moving position of the inner sliding plate 8, the first needle 6 and the second needle 7 through the first reset spring 10.
[0029] Please refer to Figures 1 to 5 The inside of the fixed side box 13 is provided with a second reset spring 17 symmetrically, one end of the second reset spring 17 is fixedly connected with the fixed side box 13, and the other end of the second reset spring 17 is fixedly connected with the limit sliding plate 14.
[0030] It can be understood that the utility model resets the sliding position of the limit sliding plate 14 in the fixed side box 13 through the second reset spring 17.
[0031] Please refer to Figures 1 to 5The outer side of the limiting sliding plate 14 is fixedly connected with a limiting sliding plate 16 in symmetry.
[0032] It can be understood that the limiting sliding plate 14 slides in the fixed side box 13, and the limiting sliding plate 14 drives the limiting sliding plate 16 to limit sliding in the fixed side box 13, thereby improving the movement stability of the limiting sliding plate 14.
[0033] Please refer to Figures 1 to 5 Further comprising a fixed mold 3, the fixed mold 3 is arranged on one side of the movable mold 2, and a first forming cavity 4 is arranged on one side of the fixed mold 3.
[0034] It can be understood that the utility model discloses a first forming cavity 4 and a second forming cavity 5 are used for forming processing of the double-color key cap.
[0035] Please refer to Figures 1 to 5 A injection runner 15 is arranged on one side of the fixed mold 3 and matched with the first forming cavity 4.
[0036] It can be understood that the utility model discloses a fixed mold 3 and a injection runner 15 are matched, and the first forming cavity 4 and the second forming cavity 5 are injection molded.
[0037] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation of the utility model.
[0038] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly include at least one feature.
[0039] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.
[0040] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A two-color keycap injection mold, characterized by, Include: Mobile seat (1); Mobile die (2), mobile die (2) is arranged on one side of mobile seat (1); The second forming cavity (5) is opened in one side of the mobile die (2); The ejector assembly is arranged in the inside of the mobile die (2), the ejector assembly includes a first ejector pin (6), the first ejector pin (6) is symmetrically arranged in the inside of the mobile die (2), the inside of the mobile die (2) is symmetrically arranged with the second ejector pin (7), the first ejector pin (6) and the second ejector pin (7) are both connected with the mobile seat (1) slidingly; The inner sliding plate (8) is arranged on the inner side of the mobile seat (1), one end of the first ejector pin (6) and the second ejector pin (7) is fixedly connected with the inner sliding plate (8); The guide column (11) is arranged on one side of the inner sliding plate (8), the guide column (11) is connected with the mobile seat (1) slidingly; The guide assembly is arranged on the outside of the guide column (11), the guide assembly includes a fixed outer plate (12), the fixed outer plate (12) is arranged on the outside of the guide column (11), the fixed outer plate (12) is symmetrically fixedly connected with a limiting sliding plate (14) on one side, the outside of the limiting sliding plate (14) is slidingly arranged with a fixed side box (13), one side of the fixed side box (13) is fixedly connected with the mobile seat (1).
2. The two-color keycap injection mold of claim 1, wherein: The inside of the inner sliding plate (8) is equidistantly slidingly arranged with a plurality of limiting guide rods (9), the limiting guide rods (9) are fixedly connected with the mobile seat (1), the outside of the limiting guide rods (9) is sleeved with a first reset spring (10), one end of the first reset spring (10) is fixedly connected with the inner sliding plate (8), the other end of the first reset spring (10) is fixedly connected with the mobile seat (1).
3. The two-color key cap injection mold of claim 1, wherein: The inside of the fixed side box (13) is symmetrically provided with a second reset spring (17), one end of the second reset spring (17) is fixedly connected with the fixed side box (13), the other end of the second reset spring (17) is fixedly connected with the limiting sliding plate (14).
4. The two-color key cap injection mold of claim 1, wherein: The outside of the limiting sliding plate (14) is symmetrically fixedly connected with a limiting sliding plate (16), the limiting sliding plate (16) is slidingly connected with the fixed side box (13).
5. The two-color key cap injection mold of claim 1, wherein: It also includes a fixed die (3), the fixed die (3) is arranged on one side of the mobile die (2), one side of the fixed die (3) is provided with a first forming cavity (4) matched with the second forming cavity (5).
6. The two-color key cap injection mold of claim 5, wherein: The side of the fixed die (3) is provided with an injection runner (15) matched with the first forming cavity (4).