Energy-saving mold for processing liquid silica gel

The mold design with spiral cooling channels and a hydraulic system addresses slow cooling and demolding issues, enhancing efficiency by enabling rapid cooling and automated demolding of liquid silicone products.

CN223099883UActive Publication Date: 2025-07-15中山市立科硅胶制品有限公司
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Patent Information

Application Number
CN202422244762.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-07-15
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

The existing molds cool slowly when forming liquid silicone, resulting in slower forming speed and additional driving devices are required for demolding, which reduces overall operating efficiency.

Method used

The lower mold and upper mold are cooled by the number one and second threaded temperature guide coils, and the upper mold is driven by the hydraulic system to separate the upper mold from the lower mold, and demolding is carried out in combination with the thimble to achieve rapid cooling and demolding.

Benefits of technology

The molding efficiency and demolding speed of liquid silicone are improved, the dependence on additional driving devices is reduced, and the overall operating efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an energy-saving die for processing liquid silica gel, which comprises a lower die and has the beneficial effects that: a first threaded temperature-conducting coil pipe and second threaded temperature-conducting coil pipes are arranged, so that the second threaded temperature-conducting coil pipes are arranged in an upper die at equal intervals; cooling liquid enters a second threaded temperature-conducting coil pipe to cool a forming groove of the upper die, a forming silica gel material in the lower die is cooled through a first threaded temperature-conducting coil pipe, the cooling efficiency is improved, rapid cooling is achieved, and the forming efficiency is improved; when the output end of a hydraulic cylinder drives a sliding supporting plate and an upper mold to move upwards, the upper mold and a lower mold are separated, the sliding supporting plate moves upwards to pull a limiting pull disc at the top end of a pull rod, the limiting pull disc drives the pull rod, a fixed side plate and an inner top plate to move upwards when moving upwards, and the inner top plate drives an ejector pin at the top to move upwards when moving upwards. And the silica gel material formed in the lower die is ejected out through the ejector pin.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an energy-saving mold for processing liquid silicone rubber. Background Art

[0002] Liquid silicone rubber is a high-performance flexible thermosetting material, which has the characteristics of good fluidity, fast vulcanization, safety, environmental protection, and excellent physical properties. It is widely used in many fields such as baby products, medical supplies, electronic products, and daily necessities. The manufacturing process of liquid silicone rubber includes various methods, such as liquid injection molding (LIM), dipping, pouring, compression molding, etc. When producing liquid silicone rubber, molds are needed for forming. However, the existing molds have a slow cooling rate when cooling the forming of multiple liquid silicone rubber materials manufactured at one time, a slow forming rate for the silicone rubber materials, and the rapid demolding of the silicone rubber products requires starting other driving devices to complete the ejection work, reducing the overall operation efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to provide an energy-saving mold for processing liquid silicone rubber, so as to solve the problems in the above background art that the existing molds have a slow cooling rate when cooling the forming of multiple liquid silicone rubber materials manufactured at one time, a slow forming rate for the silicone rubber materials, and the rapid demolding of the silicone rubber products requires starting other driving devices to complete the ejection work, reducing the overall operation efficiency.

[0004] To achieve the above purpose, the utility model provides the following technical solution: an energy-saving mold for processing liquid silicone rubber, comprising:

[0005] Lower mold;

[0006] Upper mold, the upper mold is arranged above the lower mold;

[0007] The first threaded heat conduction coil, the first threaded heat conduction coil is equidistantly arranged inside the lower mold;

[0008] Ejector pin, the ejector pin is slidably arranged inside the lower mold;

[0009] The second threaded heat conduction coil, the second threaded heat conduction coil is equidistantly arranged inside the upper mold;

[0010] Sliding support plate, the sliding support plate is arranged on the top of the upper mold;

[0011] Pull rod, the pull rod is symmetrically and slidably arranged inside the sliding support plate;

[0012] The inner top plate is slidably arranged inside the lower die. The bottoms of multiple thimble pins are fixedly connected to the inner top plate. Fixed side plates are arranged on both sides of the inner top plate. The fixed side plates are slidably connected to the lower die. The bottom end of the pull rod is fixedly connected to the fixed side plate. The top end of the pull rod is fixedly connected with a limiting pull plate that cooperates with the sliding support plate.

[0013] As a preferred embodiment of the present invention: It further includes a support frame. The support frame is slidably arranged outside the sliding support plate. A support base is fixedly connected to the inner side of the support frame. The bottom of the lower die is fixedly connected to the support base. A hydraulic cylinder is installed at the top of the support frame. The output end of the hydraulic cylinder is fixedly connected to the sliding support plate.

[0014] As a preferred embodiment of the present invention: One-way liquid supply tanks are fixedly connected to both sides of the lower die. One-way liquid supply pipes are fixedly connected to the outside of the one-way liquid supply tanks. One of the one-way liquid supply tanks is fixedly connected to one end of the first threaded temperature guiding coil, and the other one-way liquid supply tank is fixedly connected to the other end of the first threaded temperature guiding coil.

[0015] As a preferred embodiment of the present invention: Two-way liquid supply tanks are fixedly connected to both sides of the upper die. Two-way liquid supply pipes are fixedly connected to the outside of the two-way liquid supply tanks. One of the two-way liquid supply tanks is fixedly connected to one end of the second threaded temperature guiding coil, and the other two-way liquid supply tank is fixedly connected to the other end of the second threaded temperature guiding coil.

[0016] As a preferred embodiment of the present invention: A plurality of reset springs are equidistantly arranged on the top of the inner top plate. The top ends of the reset springs are fixedly connected to the lower die.

[0017] As a preferred embodiment of the present invention: Limit sliding rods are symmetrically and fixedly connected to the top of the sliding support plate. The limit sliding rods are slidably connected to the support frame.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: By setting the first threaded temperature guiding coil and the second threaded temperature guiding coil, the second threaded temperature guiding coil equidistantly arranged inside the upper die is realized. The forming groove of the upper die is cooled by the coolant entering the second threaded temperature guiding coil, and the formed silica gel material inside the lower die is cooled by the first threaded temperature guiding coil, improving the cooling efficiency. The rapid cooling improves the forming efficiency. By setting the pull rod and the limiting pull plate, when the output end of the hydraulic cylinder drives the sliding support plate and the upper die to move upward, the upper die and the lower die are separated. The sliding support plate moves upward and pulls the limiting pull plate at the top of the pull rod. When the limiting pull plate moves upward, it drives the pull rod, the fixed side plate, and the inner top plate to move upward. When the inner top plate moves upward, it drives the thimble pins at the top to move upward, and the formed silica gel material inside the lower die is ejected by the thimble pins, realizing demoulding in a linkage manner and improving the efficiency. Description of the Drawings

[0019] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 Top view of the present utility model;

[0021] Figure 3 Schematic diagram of the internal structure of the upper mold of the present utility model;

[0022] Figure 4 Schematic diagram of the internal structure of the lower mold of the present utility model;

[0023] Figure 5 Top view of the lower mold of the present utility model.

[0024] In the figure: 1, support base; 2, lower mold; 3, support frame; 4, sliding support plate; 5, upper mold; 6, hydraulic cylinder; 7, limit slide bar; 8, ejector pin; 9, first threaded temperature guiding coil; 10, inner top plate; 11, return spring; 12, fixed side plate; 13, pull rod; 14, limiting pull plate; 15, first liquid passing tank; 16, first liquid passing pipe; 17, second liquid passing tank; 18, second liquid passing pipe; 19, second threaded temperature guiding coil. Specific implementation manner

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1 to 5 , the present utility model provides a technical solution: an energy-saving mold for processing liquid silicone, including: a lower mold 2; an upper mold 5 is arranged above the lower mold 2; a first threaded temperature guiding coil 9 is fixedly connected at equal intervals inside the lower mold 2; an ejector pin 8 is slidably arranged inside the lower mold 2; a second threaded temperature guiding coil 19 is fixedly connected at equal intervals inside the upper mold 5; a sliding support plate 4 is fixedly connected to the top of the upper mold 5; pull rods 13 are symmetrically slidably arranged inside the sliding support plate 4; an inner top plate 10 is slidably arranged inside the lower mold 2, the bottom ends of a plurality of ejector pins 8 are fixedly connected to the inner top plate 10, fixed side plates 12 are fixedly connected to both sides of the inner top plate 10, the fixed side plates 12 are slidably connected to the lower mold 2, the bottom ends of the pull rods 13 are fixedly connected to the fixed side plates 12, and the top ends of the pull rods 13 are fixedly connected with a limiting pull plate 14 that cooperates with the sliding support plate 4.

[0027] It can be understood that the utility model completes the injection molding of multiple liquid silicone materials after the upper mold 5 and the lower mold 2 are clamped. Coolant is injected into the first liquid supply tank 15 through one of the first liquid supply pipes 16, and the coolant is discharged through the other first liquid supply pipe 16. The first threaded temperature guiding coil 9 in the lower mold 2 is continuously filled with liquid, and the liquid silicone material in the lower mold 2 is quickly cooled by the first threaded temperature guiding coil 9. Coolant is injected into the second liquid supply tank 17 at one end through one of the second liquid supply pipes 18, enters each of the second threaded temperature guiding coils 19 in the upper mold 5 through the second liquid supply tank 17, and cools the upper mold 5. The liquid is discharged through the other second liquid supply tank 17 and the second liquid supply pipe 18 to cool the liquid silicone material in the lower mold 2 and the upper mold 5. After cooling is completed, the hydraulic cylinder 6 is started. The output end of the hydraulic cylinder 6 drives the sliding support plate 4 and the upper mold 5 to move upward, and the upper mold 5 and the lower mold 2 are opened. The sliding support plate 4 slides with the pull rod 13. When the sliding support plate 4 moves upward, it pushes the limiting pull plate 14 at the top of the pull rod 13. The limiting pull plate 14 and the pull rod 13 are pulled upward by the sliding support plate 4. The pull rod 13 drives the fixed side plate 12 and the inner top plate 10 to move upward. When the inner top plate 10 moves upward, it drives the ejector pin 8 at the top to move upward. The silicone material in the lower mold 2 is ejected by the upward movement of the ejector pin 8, and the demolding work is completed through linkage, without starting other driving devices to complete the material ejection work.

[0028] Please refer to Figures 1 to 4 , and it further includes a support frame 3. The support frame 3 is slidably arranged outside the sliding support plate 4. A support base 1 is fixedly connected to the inner side of the support frame 3. The bottom of the lower mold 2 is fixedly connected to the support base 1. A hydraulic cylinder 6 is installed at the top of the support frame 3. The output end of the hydraulic cylinder 6 is fixedly connected to the sliding support plate 4.

[0029] It can be understood that the output end of the hydraulic cylinder 6 in the utility model drives the sliding support plate 4 and the upper mold 5 to move for height position adjustment, and the demolding and clamping adjustment between the upper mold 5 and the lower mold 2 are carried out.

[0030] Please refer to Figures 1 to 5 , both sides of the lower mold 2 are fixedly connected with first liquid supply tanks 15. First liquid supply pipes 16 are fixedly connected to the outside of the first liquid supply tanks 15. One of the first liquid supply tanks 15 is fixedly connected to one end of the first threaded temperature guiding coil 9, and the other first liquid supply tank 15 is fixedly connected to the other end of the first threaded temperature guiding coil 9.

[0031] It can be understood that the utility model supplies coolant into one of the first liquid supply tanks 15 through one of the first liquid supply pipes 16. The coolant enters each of the first threaded temperature guiding coils 9 in the lower mold 2 through the first liquid supply tank 15. The coolant cools the lower mold 2 through the first threaded temperature guiding coil 9, and quickly cools the silicone material.

[0032] Please refer toFigures 1 to 4 On both sides of the upper mold 5, there are fixedly connected with second liquid supply boxes 17. On the outside of the second liquid supply boxes 17, there are fixedly connected with second liquid supply pipes 18. One of the second liquid supply boxes 17 is fixedly connected with one end of the second threaded temperature guiding coil 19, and the other second liquid supply box 17 is fixedly connected with the other end of the second threaded temperature guiding coil 19.

[0033] It can be understood that in this utility model, the coolant is supplied into one of the second liquid supply boxes 17 through one of the second liquid supply pipes 18. The coolant is transported into the second threaded temperature guiding coil 19 through one of the second liquid supply boxes 17. The upper mold 5 is cooled through the second threaded temperature guiding coil 19. The coolant in the second threaded temperature guiding coil 19 enters the other second liquid supply box 17 and is discharged and collected through the second liquid supply pipe 18 on one side of the other second liquid supply box 17.

[0034] Please refer to Figure 4 On the top of the inner top plate 10, a plurality of reset springs 11 are equidistantly arranged. The top ends of the reset springs 11 are fixedly connected with the lower mold 2.

[0035] It can be understood that in this utility model, the movement and reset of the inner top plate 10 and the fixed side plate 12 are completed through the respective reset springs 11 on the top of the inner top plate 10, and the inner top plate 10, the fixed side plate 12, the pull rod 13 and the limiting pull plate 14 are reset, which is convenient for the reset of the ejector pin 8 in the lower mold 2.

[0036] Please refer to Figures 1 to 4 On the top of the sliding support plate 4, there are symmetrically fixedly connected with limiting sliding rods 7. The limiting sliding rods 7 are slidably connected with the support frame 3.

[0037] It can be understood that when the output end of the hydraulic cylinder 6 drives the sliding support plate 4 and the upper mold 5 to adjust the height position, the limiting sliding between the limiting sliding rods 7 on the top of the sliding support plate 4 and the support frame 3 ensures the adjustment stability of the sliding support plate 4 and the upper mold 5.

[0038] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front part", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this utility model.

[0039] Furthermore, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", "third", and "fourth" may explicitly or implicitly include at least one such feature.

[0040] In the present utility model, unless otherwise clearly defined and limited, terms such as "installed", "set", "connected", "fixed", "swiveling connection", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An energy-saving mold for processing liquid silicone, characterized in that Including: Lower die (2); Upper die (5), the upper die (5) is arranged above the lower die (2); First threaded heat conduction coil (9), the first threaded heat conduction coil (9) is equidistantly arranged inside the lower die (2); Ejector pin (8), the ejector pin (8) is slidably arranged inside the lower die (2); Second threaded heat conduction coil (19), the second threaded heat conduction coil (19) is equidistantly arranged inside the upper die (5); Sliding support plate (4), the sliding support plate (4) is arranged on the top of the upper die (5); Pull rod (13), the pull rod (13) is symmetrically and slidably arranged inside the sliding support plate (4); Inner top plate (10), the inner top plate (10) is slidably arranged inside the lower die (2), the bottom ends of the plurality of ejector pins (8) are fixedly connected to the inner top plate (10), fixed side plates (12) are arranged on both sides of the inner top plate (10), the fixed side plates (12) are slidably connected to the lower die (2), the bottom end of the pull rod (13) is fixedly connected to the fixed side plate (12), and a limiting pull plate (14) cooperating with the sliding support plate (4) is fixedly connected to the top end of the pull rod (13).

2. The energy-saving mold for processing liquid silicone according to claim 1, characterized in that: It further includes a support frame (3), the support frame (3) is slidably arranged outside the sliding support plate (4), a support base (1) is fixedly connected to the inner side of the support frame (3), the bottom of the lower die (2) is fixedly connected to the support base (1), a hydraulic cylinder (6) is installed on the top of the support frame (3), and the output end of the hydraulic cylinder (6) is fixedly connected to the sliding support plate (4).

3. An energy-saving mold for processing liquid silicone according to claim 1, characterized in that: One-way liquid boxes (15) are fixedly connected to both sides of the lower die (2), one-way liquid pipes (16) are fixedly connected to the outside of the one-way liquid boxes (15), one of the one-way liquid boxes (15) is fixedly connected to one end of the first threaded heat conduction coil (9), and the other one-way liquid box (15) is fixedly connected to the other end of the first threaded heat conduction coil (9).

4. An energy-saving mold for processing liquid silicone according to claim 1, characterized in that: Two-way liquid boxes (17) are fixedly connected to both sides of the upper die (5), two-way liquid pipes (18) are fixedly connected to the outside of the two-way liquid boxes (17), one of the two-way liquid boxes (17) is fixedly connected to one end of the second threaded heat conduction coil (19), and the other two-way liquid box (17) is fixedly connected to the other end of the second threaded heat conduction coil (19).

5. The energy-saving mold for processing liquid silicone according to claim 1, wherein: A plurality of reset springs (11) are equidistantly arranged on the top of the inner top plate (10), and the top ends of the reset springs (11) are fixedly connected to the lower die (2).

6. The energy-saving mold for processing liquid silicone according to claim 2, wherein: Limit slide rods (7) are symmetrically and fixedly connected to the top of the sliding support plate (4), and the limit slide rods (7) are slidably connected to the support frame (3).