A mold for a silica gel product facilitating demolding
By designing a mold structure driven by a support base and a hydraulic lifting cylinder, combined with a cooling water tank and a cooling heat exchange plate, the problems of low demolding efficiency and uneven cooling in traditional molds were solved, achieving efficient demolding and uniform cooling, thereby improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU DAYUAN RUBBER & PLASTIC TECH CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-05-29
AI Technical Summary
Traditional molds require manual operation or complex mechanical structures during the demolding process, resulting in low demolding efficiency and uneven cooling, which affects product quality and production efficiency.
A mold structure including a support base, a hydraulic lifting cylinder, a telescopic cylinder, a buffer steel spring, and a cooling water tank was designed. The hydraulic lifting cylinder drives the mold to close and detach, and the cooling water tank and cooling heat exchange plate achieve rapid cooling, ensuring the stability and cooling uniformity of the mold during the mold closing and detaching process.
It improves demolding efficiency and cooling effect, reduces labor intensity, protects molds, shortens production cycle, saves water resources, and reduces production costs.
Smart Images

Figure CN224296446U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mold technology, specifically to a silicone product mold that facilitates demolding. Background Technology
[0002] Silicone products are a variety of products made from silicone materials. They have a wide range of applications and unique performance advantages. The main component of silicone is silicon dioxide, which is a highly active adsorbent material. Silicone has an open porous structure that can adsorb a variety of substances. It has good softness, elasticity and waterproof properties. At the same time, silicone is chemically stable and does not react with any substances except strong alkalis and hydrofluoric acid. It is non-toxic and odorless, making it an environmentally friendly and non-toxic material.
[0003] In the production of silicone products, mold design and use are crucial. Traditional molds often require manual demolding, which not only increases the labor intensity of workers but can also lead to product damage or deformation due to improper operation. Furthermore, while some molds employ mechanical demolding methods, their unreasonable structural design results in uneven separation of the upper and lower parts during demolding, easily leading to jamming or incomplete demolding. Additionally, silicone products require rapid cooling and setting after injection molding, but traditional molds often have poor cooling effects, with cooling water failing to flow evenly through the injection cavity, resulting in uneven product cooling and affecting product quality. Therefore, it is necessary to design a silicone product mold that facilitates demolding. Utility Model Content
[0004] The purpose of this utility model is to provide a silicone product mold that is easy to demold, which solves the technical problems of traditional molds requiring manual operation or complex mechanical structures during the demolding process, resulting in low demolding efficiency and uneven or inefficient cooling, which affect product quality and production efficiency. This achieves the goal of improving production efficiency and ensuring product quality.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a silicone product mold for easy demolding, comprising a support base, a controller fixedly installed on the front of the support base, an installation groove and an installation hole on the top of the support base, and a guide rod fixedly installed inside the installation hole, with four sets located at the four corners respectively; a support top plate sleeved on the outer wall of the guide rod, and two connecting plates fixedly installed on the outer wall of the support top plate, located on the front and back of the support top plate respectively; two hydraulic lifting cylinders fixedly installed on the top of the support base, with the top of the hydraulic lifting cylinders fixedly installed at the bottom of the connecting plate via a connecting seat; a demolding cooling assembly, disposed above the support base and above the support top plate; the demolding cooling assembly comprising: a demolding part, disposed above the support base and above the support top plate; and a cooling part, disposed above the support base and located inside the demolding part.
[0006] Preferably, the demolding part includes: a lower mold base, which is fixedly installed inside the mounting groove; a telescopic cylinder, which is fixedly installed on the top of the supporting top plate, and a connecting rod is fixedly connected to the connecting end of the telescopic cylinder; and a buffer steel spring, which is fixedly installed inside the supporting base, and there are four sets of buffer steel springs arranged symmetrically. A spacer plate is provided above the lower mold base, and the bottom of the spacer plate has an embedding groove, and there are four sets of the spacer plate. The top of the buffer steel spring is fixedly installed on the inner wall of the embedding groove.
[0007] Preferably, the outer wall of the lower mold base is fixedly installed with a limiting plate, and there are two sets of them, which are located on the two outer walls of the lower mold base respectively, and are arranged symmetrically. The inner side wall of the limiting plate is provided with a moving groove. The outer wall of the fixed distance plate is fixedly installed with a fixed distance slider, and the fixed distance slider is slidably connected to the moving groove. The top of the lower mold base is provided with a lower mold injection cavity, which extends to the top of the fixed distance slider.
[0008] Preferably, an upper model seat is provided above the fixed-distance slider, a connecting and fixing shell is fixedly installed on the top of the upper model seat, and the connecting and fixing shell is fixedly installed on the bottom of the supporting top plate. An installation groove is provided at the bottom of the connecting and fixing shell, and an installation plate is fixedly installed at the bottom of the connecting rod, and the installation plate is disposed inside the installation groove.
[0009] Preferably, the bottom of the mounting plate is fixedly equipped with guide rods two in total, and there are four sets of them. The top of the upper model base is provided with guide holes, and the guide rods two are adapted to the guide holes. The top of the upper model base is provided with ejection holes that extend into the interior of the upper model base. The bottom of the mounting plate is fixedly equipped with ejection rods, and the ejection rods are adapted to the ejection holes. The bottom of the ejection rods is fixedly equipped with silicone ejector heads.
[0010] Preferably, the cooling component includes: an injection cavity, which is located at the bottom of the upper mold base; a cooling water tank, which is fixedly installed on the top of the support base, and there are two sets of the cooling water tank; a cooling heat exchange plate is fixedly installed on the inner wall of the injection cavity, and a cooling water cavity is formed inside the cooling heat exchange plate.
[0011] Preferably, the cooling water tank is equipped with a delivery pump, and the delivery pump is connected to a delivery hose, which sequentially passes through the top of the cooling water tank, the outer wall of the upper model base, and extends into the interior of the cooling water cavity.
[0012] Preferably, the cooling water cavity is internally connected to a return pipe, which sequentially passes through the upper model base, the top of the cooling water tank, and extends into the interior of the cooling water tank.
[0013] This invention provides a silicone product mold that facilitates demolding. It offers the following advantages:
[0014] (1) This utility model ensures the stability of mold closing by setting a lower mold base, an upper mold base, a connecting fixed shell and a supporting top plate. With the help of the telescopic cylinder, the mounting plate is pushed by the connecting rod, and then the silicone product is successfully demolded by the ejector rod and the silicone ejector head. At the same time, the buffer steel spring provides a buffering effect for the spacer plate, reducing the impact during mold closing and demolding and protecting the mold. With the sliding connection between the spacer slider and the moving groove, the spacer plate is ensured to move stably in the vertical direction. Furthermore, the guide rod and the guide hole provide precise guidance for the up and down movement of the upper mold base, preventing the mold from shifting during mold closing and demolding, thus improving the reliability and efficiency of demolding.
[0015] (2) By providing a cooling heat exchange plate installed on the inner wall of the injection cavity and its internal cooling water cavity, the silicone in the injection process can be cooled and solidified quickly, shortening the production cycle. In conjunction with the circulating cooling part composed of cooling water tank, delivery pump, delivery hose and return pipe, the continuous supply and recycling of cooling water are ensured, saving water resources, reducing production costs and achieving the effect of improving production efficiency. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is an exploded view of the structure of a silicone product mold that facilitates demolding, according to this utility model.
[0018] Figure 3 This is a cross-sectional view of a silicone product mold structure that facilitates demolding, according to this utility model.
[0019] Figure 4 This is a bottom view of the structure of a silicone product mold that facilitates demolding, according to this utility model.
[0020] In the diagram: 1 Support base, 2 Controller, 3 Guide rod one, 4 Support top plate, 41 Connecting plate, 5 Hydraulic lifting cylinder, 6 Demolding and cooling assembly, 61 Demolding part, 611 Lower mold base, 612 Buffer steel spring, 613 Spacer plate, 614 Embedded groove, 615 Limiting plate, 616 Moving groove, 617 Spacer slider, 618 Upper mold base, 619 Connecting and fixing shell, 6110 Mounting groove, 6111 Telescopic cylinder, 6112 Mounting plate, 6113 Guide rod two, 6114 Guide hole, 6115 Ejection hole, 6116 Ejection rod, 6117 Silicone ejector head, 62 Cooling part, 621 Injection cavity, 622 Cooling heat exchange plate, 623 Cooling water cavity, 624 Cooling water tank, 625 Delivery pump, 626 Delivery hose, 627 Return pipe. Detailed Implementation
[0021] 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.
[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. Example
[0023] The present invention addresses the problems of traditional molds requiring manual operation or complex mechanical structures during demolding, resulting in low demolding efficiency and uneven or inefficient cooling, which negatively impact product quality and production efficiency. A preferred embodiment of this invention provides a silicone product mold that facilitates demolding. Figure 1-4As shown: A silicone product mold for easy demolding includes a support base 1, a controller 2 fixedly mounted on the front of the support base 1, a mounting groove and mounting holes on the top of the support base 1, and four sets of guide rods 3 fixedly mounted inside the mounting holes, located at the four corners respectively. A support top plate 4 is sleeved on the outer wall of the guide rods 3, and two sets of connecting plates 41 are fixedly mounted on the outer wall of the support top plate 4, located on the front and back of the support top plate 4 respectively. The unit is fixedly equipped with two sets of hydraulic lifting cylinders 5. The top of the hydraulic lifting cylinders 5 is fixedly installed on the bottom of the connecting plate 41 through the connecting seat. The demolding cooling assembly 6 is located above the support base 1 and above the support top plate 4. The demolding cooling assembly 6 includes: a demolding part 61, which is located above the support base 1 and above the support top plate 4; and a cooling part 62, which is located above the support base 1 and inside the demolding part 61.
[0024] The demolding part 61 includes: a lower mold base 611, which is fixedly installed inside the mounting groove; a telescopic cylinder 6111, which is fixedly installed on the top of the supporting top plate 4, and a connecting rod is fixedly connected to the connecting end of the telescopic cylinder 6111; and a buffer steel spring 612, which is fixedly installed inside the supporting base 1, and there are four sets of them arranged symmetrically. A spacer plate 613 is provided above the lower mold base 611, and an embedding groove 614 is opened at the bottom of the spacer plate 613, and there are four sets of them. The top of the buffer steel spring 612 is fixedly installed on the inner wall of the embedding groove 614.
[0025] The outer wall of the lower mold base 611 is fixedly installed with a limiting plate 615, and there are two sets of them, which are located on the two outer walls of the lower mold base 611 respectively, and are arranged symmetrically. The inner side wall of the limiting plate 615 is provided with a moving groove 616. The outer wall of the spacer plate 613 is fixedly installed with a spacer slider 617, and the spacer slider 617 is slidably connected to the moving groove 616. The top of the lower mold base 611 is provided with a lower mold injection cavity, which extends to the top of the spacer slider 617.
[0026] An upper model base 618 is provided above the fixed-distance slider 617. A connecting and fixing shell 619 is fixedly installed on the top of the upper model base 618 and is fixedly installed on the bottom of the supporting top plate 4. An installation groove 6110 is provided at the bottom of the connecting and fixing shell 619. An installation plate 6112 is fixedly installed at the bottom of the connecting rod and is located inside the installation groove 6110.
[0027] The bottom of the mounting plate 6112 is fixedly equipped with guide rods 6113, and there are four sets in total. The top of the upper model base 618 is provided with guide holes 6114, and the guide rods 6113 are adapted to the guide holes 6114. The top of the upper model base 618 is provided with ejection holes 6115, which extend into the interior of the upper model base 618. The bottom of the mounting plate 6112 is fixedly equipped with ejection rods 6116, and the ejection rods 6116 are adapted to the ejection holes 6115. The bottom of the ejection rods 6116 is fixedly equipped with silicone ejector heads 6117.
[0028] Furthermore, this embodiment ensures stability during mold closing by providing a lower mold base 611, an upper mold base 618, a connecting fixed shell 619, and a supporting top plate 4. The telescopic cylinder 6111, via a connecting rod, pushes the mounting plate 6112, which in turn facilitates the smooth demolding of the silicone product through the ejector rod 6116 and the silicone ejector head 6117. Simultaneously, the buffer steel spring 612 provides a buffering effect for the spacer plate 613, reducing impact during mold closing and demolding and protecting the mold. The sliding connection between the spacer slider 617 and the moving groove 616 ensures stable vertical movement of the spacer plate 613. Furthermore, the guide rod 6113 and the guide hole 6114 provide precise guidance for the up-and-down movement of the upper mold base 618, preventing mold displacement during mold closing and demolding. Example
[0029] Please see Figures 1-4 Furthermore, based on Embodiment 1, the cooling part 62 includes: an injection cavity 621, which is located at the bottom of the upper mold base 618; a cooling water tank 624, which is fixedly installed on the top of the support base 1, and there are two sets of the cooling water tank 624; a cooling heat exchange plate 622 is fixedly installed on the inner wall of the injection cavity 621, and a cooling water cavity 623 is opened inside the cooling heat exchange plate 622.
[0030] The cooling water tank 624 is equipped with a delivery pump 625. The delivery pump 625 is connected to a delivery hose 626. The delivery hose 626 moves through the top of the cooling water tank 624, the outer wall of the upper model base 618, and extends into the interior of the cooling water cavity 623.
[0031] The cooling water chamber 623 is internally connected to a return pipe 627, which sequentially passes through the top of the upper model base 618 and the cooling water tank 624, and extends into the interior of the cooling water tank 624.
[0032] Furthermore, this embodiment, by providing a cooling heat exchange plate 622 installed on the inner wall of the injection cavity 621 and a cooling water cavity 623 inside it, enables the silicone to cool and solidify rapidly during the injection process, shortening the production cycle. In conjunction with the circulating cooling part consisting of a cooling water tank 624, a delivery pump 625, a delivery hose 626, and a return pipe 627, a continuous supply and recycling of cooling water is ensured, saving water resources and reducing production costs.
[0033] In use, the mold is mounted on the support base 1, and the controller 2 controls the operation of the entire mold. The support top plate 4 is connected to the support base 1 via a hydraulic lifting cylinder 5 and can move up and down on the guide rod 3.
[0034] Furthermore, the lower mold base 611 is fixedly installed in the mounting groove of the support base 1, and the upper mold base 618 is connected to the support top plate 4 via the connecting fixing shell 619. When the hydraulic lifting cylinder 5 rises, it drives the support top plate 4 and the upper mold base 618 to move downward, causing the upper mold base 618 to close with the lower mold base 611, forming the injection cavity 621. The injection material is injected into the injection cavity 621.
[0035] At the same time, the delivery pump 625 in the cooling water tank 624 is started, and the cooling water is delivered to the cooling water chamber 623 of the cooling heat exchange plate 622 through the delivery hose 626 to cool the silicone in the injection cavity 621.
[0036] Furthermore, after injection molding is completed, the cooling water flows back to the cooling water tank 624 through the return pipe 627.
[0037] The hydraulic lifting cylinder 5 descends, causing the supporting top plate 4 and the upper mold base 618 to move upward, separating the upper mold base 618 from the lower mold base 611. The telescopic cylinder 6111 is activated, pushing the mounting plate 6112 downward via the connecting rod. The ejector rod 6116 on the mounting plate 6112 extends through the guide hole 6114 and pushes the silicone ejector head 6117 to eject the silicone product from the lower mold injection cavity.
[0038] The spacer plate 613 remains stable under the action of the buffer steel spring 612, and the spacer slider 617 slides in the moving groove 616 to ensure the smooth demolding process.
[0039] Finally, after demolding, the mold returns to the preparation stage, awaiting the next injection cycle.
[0040] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.
Claims
1. A silicone product mold for easy demolding, comprising a support base (1), characterized in that: A controller (2) is fixedly installed on the front of the support base (1). An installation groove is opened on the top of the support base (1). An installation hole is opened on the top of the support base (1). A guide rod (3) is fixedly installed inside the installation hole. There are four sets of guide rods, which are located at the four corners. A support top plate (4) is sleeved on the outer wall of the guide rod (3). A connecting plate (41) is fixedly installed on the outer wall of the support top plate (4). There are two sets of connecting plates, which are located on the front and back of the support top plate (4). A hydraulic lifting cylinder (5) is fixedly installed on the top of the support base (1). There are two sets of hydraulic lifting cylinders. The top of the hydraulic lifting cylinder (5) is fixedly installed on the bottom of the connecting plate (41) through a connecting seat. Demolding cooling assembly (6), the demolding cooling assembly (6) is disposed above the support base (1) and above the support top plate (4); The demolding cooling assembly (6) includes: Demolding part (61), the demolding part (61) is located above the support base (1) and above the support top plate (4); Cooling part (62) is disposed above the support base (1) and inside the demolding part (61).
2. The silicone product mold for easy demolding according to claim 1, characterized in that: The demolding part (61) includes: The lower model base (611) is fixedly installed inside the mounting slot; Telescopic cylinder (6111), the telescopic cylinder (6111) is fixedly installed on the top of the support top plate (4), and the connecting end of the telescopic cylinder (6111) is fixedly connected to a connecting rod; A buffer steel spring (612) is fixedly installed inside the support base (1), and there are four sets in total, arranged symmetrically. A spacer plate (613) is provided above the lower model base (611), and an embedding groove (614) is provided at the bottom of the spacer plate (613), and there are four sets in total. The top of the buffer steel spring (612) is fixedly installed on the inner wall of the embedding groove (614).
3. The silicone product mold for easy demolding according to claim 2, characterized in that: The lower mold base (611) has two sets of limiting plates (615) fixedly installed on its outer wall, which are located on the two outer walls of the lower mold base (611) respectively, and are arranged symmetrically. The inner side wall of the limiting plate (615) is provided with a moving groove (616). The outer wall of the fixed distance plate (613) is fixedly installed with a fixed distance slider (617), and the fixed distance slider (617) is slidably connected to the moving groove (616). The top of the lower mold base (611) is provided with a lower mold injection cavity, which extends to the top of the fixed distance slider (617).
4. A silicone product mold for easy demolding according to claim 3, characterized in that: An upper model base (618) is provided above the fixed distance slider (617). A connecting and fixing shell (619) is fixedly installed on the top of the upper model base (618), and the connecting and fixing shell (619) is fixedly installed on the bottom of the supporting top plate (4). An installation groove (6110) is provided at the bottom of the connecting and fixing shell (619). An installation plate (6112) is fixedly installed at the bottom of the connecting rod, and the installation plate (6112) is located inside the installation groove (6110).
5. A silicone product mold for easy demolding according to claim 4, characterized in that: The bottom of the mounting plate (6112) is fixedly equipped with guide rods two (6113), and there are four sets in total. The top of the upper model base (618) is provided with guide holes (6114), and the guide rods two (6113) are compatible with the guide holes (6114). The top of the upper model base (618) is provided with ejection holes (6115), which extend into the interior of the upper model base (618). The bottom of the mounting plate (6112) is fixedly equipped with ejection rods (6116), and the ejection rods (6116) are compatible with the ejection holes (6115). The bottom of the ejection rods (6116) is fixedly equipped with silicone ejector heads (6117).
6. A silicone product mold for easy demolding according to claim 1, characterized in that: The cooling section (62) includes: Injection cavity (621), said injection cavity (621) is opened at the bottom of upper mold base (618); Cooling water tank (624), the cooling water tank (624) is fixedly installed on the top of the support base (1), and there are two sets in total; A cooling heat exchange plate (622) is fixedly installed on the inner wall of the injection cavity (621), and a cooling water cavity (623) is opened inside the cooling heat exchange plate (622).
7. A silicone product mold for easy demolding according to claim 6, characterized in that: The cooling water tank (624) is equipped with a delivery pump (625), and the delivery pump (625) is equipped with a delivery hose (626) at its connection port. The delivery hose (626) moves through the top of the cooling water tank (624), the outer wall of the upper model base (618), and extends into the interior of the cooling water cavity (623).
8. A silicone product mold for easy demolding according to claim 7, characterized in that: The cooling water chamber (623) is internally connected to a return pipe (627), which sequentially passes through the top of the upper model base (618) and the cooling water tank (624) and extends into the interior of the cooling water tank (624).