Cosmetic packaging injection mold
By introducing anti-stick components and release components into cosmetic packaging injection molds, the product adhesion problem was solved, achieving stable demolding and cost savings.
Patent Information
- Application Number
- CN202520265796.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-18
AI Technical Summary
In existing cosmetic packaging injection molds, during the demolding process, the product tends to stick to the outer side of the protrusion of the upper mold plate, resulting in poor demolding effect.
The design incorporates an anti-stick component and a demolding component. The anti-stick component prevents product adhesion by matching the push ring with the groove, while the demolding component achieves ejection without the need for an additional power source through a return spring and linkage structure.
It effectively prevents product adhesion, simplifies the demolding process, and saves on usage costs.
Smart Images

Figure CN223918513U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cosmetic production technical field, concretely is a cosmetic packaging injection mold. BACKGROUND
[0002] Cosmetic is the daily-use chemical industrial product that is applied to human body surface with rubbing, spraying or other similar methods to achieve cleaning, protection, beautifying and modifying purposes, and the cosmetic usually needs to be packaged with plastic containers, so injection mold needs to be used to produce cosmetic packaging.
[0003] For example, the utility model discloses a kind of injection mold for producing cosmetic container, which is disclosed in publication No. CN218171192U. The utility model makes the piston rod of the second cylinder body advance, so that the top block can eject after the container product is shaped, avoiding the damage of the pry bar structure to the ejection, but in actual use, the product may be adhered to the outside of the protruding part at the bottom of the pressing plate due to the large friction force received by the upper part, at this time, the second cylinder body cannot effectively demould the product, resulting in the problem of affecting the overall demoulding effect.
[0004] Therefore, in view of the above, the existing structure and deficiencies are improved, and a cosmetic packaging injection mold is provided. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a kind of cosmetic packaging injection mold, to solve the problems raised in the above background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of cosmetic packaging injection mold, including top plate and anti-sticking component, the top of the top plate is equipped with hydraulic cylinder, and the bottom of hydraulic cylinder is connected with upper die plate, the anti-sticking component is set in the middle part of upper die plate, the anti-sticking component includes embedding slot, fixed frame, sliding rod, convex ring, compression spring and push ring, the bottom of the upper die plate is provided with embedding slot, and the top of the upper die plate is fixed with fixed frame at both ends, the upper end middle part of the fixed frame is slidably connected with sliding rod, and the middle part of the sliding rod is fixed with convex ring, the top of the convex ring is connected with compression spring, and the lower end of the sliding rod is equipped with push ring.
[0007] Further, the inner side of the four ends of the upper die plate is slidably connected with guide rod, and the bottom of the guide rod is fixed with lower die plate, the top of the lower die plate is provided with cavity in the center, and the bottom of the lower die plate is equipped with base.
[0008] Further, the push ring is matched with embedding slot, and the diameter of the push ring is greater than the diameter of the cavity.
[0009] Further, the bottom of the lower mold plate is connected with a demolding assembly, the demolding assembly comprises a fixing column and a return spring, the bottom of the lower mold plate is arranged with the fixing column, and the outer side of the fixing column is sleeved with the return spring.
[0010] Further, the demolding assembly further comprises a sliding plate and a top rod, the lower end of the return spring is connected with the sliding plate, and the top outer end of the sliding plate is arranged with the top rod.
[0011] Further, the fixing column is in sliding connection with the sliding plate, and the top rod is equidistantly and circumferentially distributed relative to the outer side of the sliding plate.
[0012] Further, the demolding assembly further comprises a connecting rod and a driving plate, the two sides of the upper mold plate are fixed with the connecting rod, and the bottom of the connecting rod is fixed with the driving plate.
[0013] Further, the middle part of the driving plate is provided with a hole with a diameter larger than that of the fixing column, and the driving plate is in sliding connection with the base.
[0014] The utility model provides a kind of cosmetic packaging injection mold, with following beneficial effects:
[0015] 1, the utility model discloses a setting of anti-adhesion component, in the process of clamping, the outer end of push ring bottom will be attached with lower mold plate, so it will be retracted into the recess, because its bottom is flush with the top surface of lower mold plate, so it will not affect the product forming, when hydraulic cylinder drives upper mold plate to move up and carry out opening, compression spring will be pushed under the limiting of fixed frame Convex ring, so that slide rod drives push ring to move down, so that product can be pushed out from the convex part of upper mold plate, so as to avoid product adhering to the convex outer side of upper mold plate, for subsequent demolding treatment;
[0016] 2, the utility model discloses a setting of demolding assembly, in the process of clamping, because driving plate is separated from sliding plate, at this time, return spring will push sliding plate, so that the top of top rod is flush with the bottom surface of cavity, when opening, upper mold plate will be moved up in the process, also drive driving plate to move up by connecting rod, so that it is attached with the bottom of sliding plate, so as to make top rod eject the workpiece in cavity without additional power source, which is beneficial to save use cost. ACCURACY OF DRAWINGS
[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model a kind of cosmetic packaging injection mold;
[0018] Figure 2 It is the upper mold plate of the utility model a kind of cosmetic packaging injection mold structure schematic diagram of looking up;
[0019] Figure 3 It is the lower mold plate of the utility model a kind of cosmetic packaging injection mold structure schematic diagram of looking down;
[0020] Figure 4 It is the part of the demoulding assembly of the cosmetic packaging injection mould of the utility model.
[0021] In the figure: 1, top plate; 2, hydraulic cylinder; 3, upper die plate; 4, anti-adhesion assembly; 401, embedding groove; 402, fixed frame; 403, sliding rod; 404, convex ring; 405, compression spring; 406, push ring; 5, guide rod; 6, lower die plate; 7, cavity; 8, base; 9, demoulding assembly; 901, fixed column; 902, return spring; 903, sliding plate; 904, ejector pin; 905, connecting rod; 906, driving plate. DETAILED DESCRIPTION
[0022] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0023] As Figures 1 to 3 shown, a kind of cosmetic packaging injection mould, including top plate 1 and anti-adhesion assembly 4, the top of top plate 1 is equipped with hydraulic cylinder 2, and the bottom of hydraulic cylinder 2 is connected with upper die plate 3, anti-adhesion assembly 4 is set to the middle part of upper die plate 3, anti-adhesion assembly 4 includes embedding groove 401, fixed frame 402, sliding rod 403, convex ring 404, compression spring 405 and push ring 406, the bottom of upper die plate 3 is equipped with embedding groove 401, and the top of upper die plate 3 is fixed with fixed frame 402 at both ends, the middle part of the upper end of fixed frame 402 is slidably connected with sliding rod 403, and the middle part of sliding rod 403 is fixed with convex ring 404, the top of convex ring 404 is connected with compression spring 405, the lower end of sliding rod 403 is equipped with push ring 406, compression spring 405 will push convex ring 404 under the location of fixed frame 402, so that sliding rod 403 drives push ring 406 to move down, so as to be able to push product from the convex part of upper die plate 3, so as to avoid product adhering to the outside of the convex part of upper die plate 3, push ring 406 is matched with embedding groove 401, and the diameter of push ring 406 is greater than the diameter of cavity 7, in the process of clamping, the bottom outer end of push ring 406 will be pasted with lower die plate 6, so as to be shrunk into embedding groove 401 inside, because its bottom is flush with the top surface of lower die plate 6, so it will not affect the molding of product, the inside of the four ends of upper die plate 3 is slidably connected with guide rod 5, and the bottom of guide rod 5 is fixed with lower die plate 6, upper die plate 3 can move down along guide rod 5, improve the stability in the process of moving, the top central part of lower die plate 6 is equipped with cavity 7, and the bottom of lower die plate 6 is equipped with base 8.
[0024] As Figure 2 and Figure 4As shown, the bottom of the lower mold plate 6 is connected with a demolding assembly 9, the demolding assembly 9 comprises a fixed column 901 and a reset spring 902, the bottom of the lower mold plate 6 is arranged with the fixed column 901, and the outer side of the fixed column 901 is sleeved with the reset spring 902, the demolding assembly 9 further comprises a sliding plate 903 and a top rod 904, the lower end of the reset spring 902 is connected with the sliding plate 903, and the top outer end of the sliding plate 903 is arranged with the top rod 904, the fixed column 901 is slidingly connected with the sliding plate 903, and the top rods 904 are equidistantly and circumferentially distributed about the outer side of the sliding plate 903, the reset spring 902 pushes the sliding plate 903, so that the top of the top rod 904 is flush with the bottom surface of the cavity 7, the demolding assembly 9 further comprises a connecting rod 905 and a driving plate 906, the two sides of the upper mold plate 3 are fixed with the connecting rod 905, and the bottom of the connecting rod 905 is fixed with the driving plate 906, the middle part of the driving plate 906 is provided with a hole with a diameter larger than that of the fixed column 901, and the driving plate 906 is slidingly connected with the base 8, and the upper mold plate 3 further drives the driving plate 906 to move upwards through the connecting rod 905, so that the driving plate 906 is attached to the bottom of the sliding plate 903, thereby enabling the top rod 904 to push out the workpiece in the cavity 7 without additional power source.
[0025] In summary, the cosmetic packaging injection mold is used, first, according to the structure shown in the above, Figures 1 to 4 The structure shown in the above, the hydraulic cylinder 2 on the top plate 1 is started, so that the upper mold plate 3 is driven to move downwards along the guide rod 5 and is attached to the lower mold plate 6, then, in the process of clamping, the bottom outer end of the push ring 406 is attached to the lower mold plate 6, so as to be retracted into the embedded groove 401, secondly, the driving plate 906 is separated from the sliding plate 903, at this time, the reset spring 902 pushes the sliding plate 903, so that the top of the top rod 904 is flush with the bottom surface of the cavity 7, then, the external injection equipment can inject the raw material into the cavity 7 through the pipeline of the upper mold plate 3, and then wait for the product to cool and form, finally, the hydraulic cylinder 2 is started to drive the upper mold plate 3 to move upwards, at this time, the compression spring 405 pushes the convex ring 404 under the limiting of the fixed frame 402, so that the sliding rod 403 drives the push ring 406 to move downwards, thereby enabling the product to be pushed out from the convex part of the upper mold plate 3, and as the upper mold plate 3 continues to move upwards, the driving plate 906 is also driven to move upwards through the connecting rod 905, so that the driving plate 906 is attached to the bottom of the sliding plate 903, thereby enabling the top rod 904 to push out the workpiece in the cavity 7 without additional power source, facilitating the unloading operation.
[0026] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present application and practical application, and to enable those of ordinary skill in the art to understand the present application in order to design various embodiments with various modifications suitable for specific purposes.
Claims
1. Cosmetic packaging injection mold comprising a top plate (1) and a release assembly (4), characterized in that, The top of the top plate (1) is provided with a hydraulic cylinder (2), and the bottom of the hydraulic cylinder (2) is connected with an upper mold plate (3), the anti-sticking assembly (4) is arranged in the middle of the upper mold plate (3), the anti-sticking assembly (4) comprises a embedding groove (401), a fixed frame (402), a sliding rod (403), a convex ring (404), a compression spring (405) and a push ring (406), the bottom of the upper mold plate (3) is provided with the embedding groove (401), and the top of the upper mold plate (3) is provided with the fixed frame (402) at both ends, the upper end of the fixed frame (402) is slidably connected with the sliding rod (403), and the middle of the sliding rod (403) is fixedly connected with the convex ring (404), the top of the convex ring (404) is connected with the compression spring (405), and the lower end of the sliding rod (403) is provided with the push ring (406).
2. The cosmetic product package injection mold of claim 1, wherein, The four inner ends of the upper mold plate (3) are slidably connected with guide rods (5), and the bottom of the guide rod (5) is fixedly connected with a lower mold plate (6), the top of the lower mold plate (6) is provided with a cavity (7) in the center, and the bottom of the lower mold plate (6) is provided with a base (8).
3. The cosmetic packaging injection mold of claim 2, wherein, The push ring (406) is matched with the embedding groove (401), and the diameter of the push ring (406) is greater than the diameter of the cavity (7).
4. The cosmetic packaging injection mold of claim 2, wherein, The bottom of the lower mold plate (6) is connected with a demolding assembly (9), the demolding assembly (9) comprises a fixed column (901) and a reset spring (902), the bottom of the lower mold plate (6) is provided with the fixed column (901) in the center, and the outer side of the fixed column (901) is sleeved with the reset spring (902).
5. The cosmetic packaging injection mold of claim 4, wherein, The demolding assembly (9) further comprises a sliding plate (903) and a top rod (904), the lower end of the reset spring (902) is connected with the sliding plate (903), and the top of the sliding plate (903) is provided with the top rod (904).
6. The cosmetic packaging injection mold according to claim 5, wherein, The fixed column (901) is slidably connected with the sliding plate (903), and the top rod (904) is equidistantly and circumferentially distributed about the outer side of the sliding plate (903).
7. The cosmetic packaging injection mold of claim 5, wherein, The demolding assembly (9) further comprises a connecting rod (905) and a driving plate (906), the two sides of the upper mold plate (3) are fixedly connected with the connecting rod (905), and the bottom of the connecting rod (905) is fixedly connected with the driving plate (906).
8. The cosmetic packaging injection mold according to claim 7, wherein, The middle of the driving plate (906) is provided with a hole with a diameter greater than that of the fixed column (901), and the driving plate (906) is slidably connected with the base (8).
Citation Information
Patent Citations
Injection mold for producing cosmetic containers
CN218171192U