Liquid silica gel blowing ejection automatic production mold

By designing a liquid silicone blow-out automatic production mold, using the combination of blow-out sealing needle and pronunciation fixture, the problem of manual removal of liquid silicone injection molded products in the prior art is solved, and automated production and stable and high-quality product output are achieved.

CN222755964UActive Publication Date: 2025-04-15HONGLIDA MOULD TECH (ZHONGSHAN) CO LTD
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Patent Information

Application Number
CN202421865796.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-04
Publication Date
2025-04-15
Estimated Expiration
2034-08-04

AI Technical Summary

Technical Problem

The production of existing large inverted liquid silicone injection molding products requires manual removal, which makes it difficult to achieve automated production and unstable product quality.

Method used

A liquid silicone blow-out automatic production mold is designed, and the automatic molding and removal of liquid silicone is achieved through the combination of a blow-out sealing needle and a pronunciation fixture.

Benefits of technology

It realizes automatic production of liquid silicone, stable cycle and guarantees product quality, and realizes a fully automatic production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of grinding tool production, and discloses a liquid silica gel blowing ejection automatic production mold which comprises a rear mold fixing plate, stand feet are symmetrically and fixedly connected to the upper surface of the rear mold fixing plate, a rear mold heat insulation plate A is fixedly connected to the upper surfaces of the stand feet, a plate B is fixedly connected to the upper surface of the rear mold heat insulation plate A, and the stand feet are fixedly connected to the upper surface of the plate B; the upper surface of the plate B is fixedly connected with a rear mold core, the interior of the rear mold core is fixedly connected with a rear core mold insert, the upper surface of the rear core mold insert is provided with an injection product groove, the upper surface of the rear mold core is provided with a front mold core, the upper surface of the front mold core is fixedly connected with a plate A, and the plate A is fixedly connected with a front mold heat insulation plate; when the device is used, liquid plastic is injected into the injection molding product groove, at the moment, the air pipe connector is connected into an inflator, air is blown into the injection molding product groove through the air blowing sealing needle, and the liquid plastic is evenly attached to the inner side wall of the injection molding product groove.
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Description

Technical Field

[0001] The utility model relates to the field of mold production, in particular to an automatic production mold for liquid silicone gas blowing and ejection. Background Art

[0002] The existing large undercut liquid silicone injection molding products are produced by manually pulling out the products, which cannot realize automated production. This not only wastes manpower, but also the quality of the manually taken out products is inconsistent, and the production cycle is also unstable;

[0003] There are many practical production problems for large undercut liquid silicone injection molding products, all of which are caused by product removal problems. To solve the problem of automatic product removal, a liquid silicone blowing and ejection automatic production mold is proposed, which enables the device to achieve automated production, stable cycle and guaranteed product quality. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a liquid silicone gas blowing and ejecting automatic production mold, which can solve the problem that the liquid silicone gas blowing and ejecting automatic production mold enables the device to realize automated production, stable cycle and guaranteed product quality.

[0005] To solve the above technical problems, according to one aspect of the utility model, more specifically, a liquid silicone blowing ejection automatic production mold comprises a rear mold fixing plate, the upper surface of the rear mold fixing plate is symmetrically fixedly connected with standing feet, the upper surface of the standing feet is fixedly connected with a rear mold insulation A plate, the upper surface of the rear mold insulation A plate is fixedly connected with a B plate, the upper surface of the B plate is fixedly connected with a rear mold core, the interior of the rear mold core is fixedly connected with a rear mold core insert, the upper surface of the rear mold core insert is provided with an injection molding product groove, the upper surface of the rear mold core is provided with a front mold core, the upper surface of the front mold core is fixedly connected with the A plate, the A plate is fixedly connected with the front mold insulation plate, the upper surface of the front mold insulation plate is fixedly connected with a cold runner B plate, the upper surface of the cold runner B plate is fixedly connected with the cold runner A plate, the upper surface of the cold runner A plate is provided with a front mold fixing plate, and the upper surface of the front mold fixing plate is fixedly connected with a positioning ring.

[0006] Furthermore, the lower surface of the rear mold fixing plate is fixedly connected to the rear mold heat insulation B plate, a sealing needle fixing block is fixedly connected between the rear mold heat insulation B plate and the rear mold fixing plate, a sealing needle pad block is fixedly connected between the upper surfaces of the sealing needle fixing blocks, the interior of the rear mold fixing plate is slidably connected to a blowing sealing needle, the top of the blowing sealing needle extends into the interior of the rear mold core insert, the outer side wall of the blowing sealing needle is fixedly connected to an upper ejector plate, the lower surface of the upper ejector plate is fixedly connected to a lower ejector plate, the outer side wall of the blowing sealing needle is fixedly connected to a sealing ring B, the lower surface of the cold runner B plate, located on the outer side wall of the blowing sealing needle, is fixedly connected to a sealing ring A, the sealing ring A's outer side wall is fixedly connected with a sealing ring pressure plate, the outer side wall of the blowing sealing needle is fixedly connected with a rear mold insert push rod, the outer side wall of the rear mold insert push rod is located inside the upper ejector plate and is fixedly connected with a sealing ring B, the inner lower surface of the lower ejector plate, located on the outer side wall of the blowing sealing needle, is fixedly connected with a sealing ring C, the outer side wall of the sealing ring is fixedly connected with a sealing ring C fixing block, the sealing ring C and the sealing ring C fixing block are fixedly connected with a sealing ring C pad block, the bottom end of the blowing sealing needle is fixedly connected with a spring, the outer side wall of the blowing sealing needle, located inside the rear mold fixing plate, is fixedly connected with a sealing needle pad block, and the left side of the upper ejector plate is fixedly connected with an air pipe joint.

[0007] Furthermore, the lower surface of the rear mold fixing plate is fixedly connected to the rear mold insulation B plate, a sealing needle fixing block is fixedly connected between the rear mold insulation B plate and the rear mold fixing plate, a sealing needle pad block is fixedly connected between the upper surfaces of the sealing needle fixing blocks, the interior of the rear mold fixing plate is slidably connected to a blowing sealing needle, the top end of the blowing sealing needle extends into the top of the B plate and a profiling jig is provided, the interior of the profiling jig is fixedly connected to a vacuum suction cup, and the internal upper surface of the vacuum suction cup is fixedly connected to an air hole.

[0008] The beneficial effects of the liquid silicone blowing and ejecting automatic production mold of the utility model are:

[0009] When the device is in use, liquid plastic is injected into the interior of the injection molding product groove. At this time, the air pipe joint is connected to the inflator, and the gas is blown into the interior of the injection molding product groove through the air blowing sealing needle, so that the liquid plastic is evenly attached to the inner wall of the injection molding product groove. Then, the A plate is opened to allow the product to leak out. Since the product is closely attached to the rear mold insert, it will not remain in the front mold, and each component is sealed by different sealing rings, that is, the special contraction and expansion characteristics of liquid silicone injection molding products are utilized. After the product is injected, it is blown into the mold to separate the product from the mold, thereby realizing the liquid silicone forming function of the device;

[0010] After the liquid silicone is formed, start the ejector pin of the injection molding machine to eject the lower ejector plate, and drive the three workpieces of the injection molded product groove, the rear mold core insert and the rear mold insert ejector pin to eject the product. At this time, start the vacuum suction cup inside the profiling fixture to make the air tightly adsorb the product. Then move the profiling fixture to drive the product to leave the mold. When the blown product expands, the profiling fixture, under the control of the robot, approaches the product and starts vacuum extraction, sucking the product into the profiling fixture. The molded product can be taken out by blowing air in the mold and retreating the robot. The taken out product can be placed in a packaged box or on an assembly line, thereby realizing fully automatic production. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0012] Figure 1 This is a schematic diagram of the overall structure of a liquid silicone gas blowing and ejecting automatic production mold of the utility model;

[0013] Figure 2 It is a cross-sectional structural schematic diagram of a liquid silicone gas blowing and ejecting automatic production mold of the utility model;

[0014] Figure 3 The utility model is a schematic diagram of the overall structure of a liquid silicone blowing and ejecting profiling fixture for automatic production of a mold.

[0015] In the figure: 1. positioning ring; 2. front mold fixing plate; 3. cold runner A plate; 4. cold runner B plate; 5. front mold fixing plate; 6. A plate; 7. front mold core; 8. injection product groove; 9. rear mold core insert; 10. rear mold core; 11. B plate; 12. rear mold insulation A plate; 13. standing foot; 14. rear mold fixing plate; 15. rear mold insulation B plate; 16. sealing ring A; 17. sealing ring pressure plate; 18. rear mold insert push rod; 19. sealing ring B; 20. upper ejector plate; 21. lower ejector plate; 23. blowing sealing needle; 24. sealing ring C; 25. sealing ring C fixing block; 26. sealing ring C cushion block; 27. sealing needle fixing block; 28. spring; 29. ​​sealing needle cushion block; 30. trachea joint; 31. profiling fixture; 32. vacuum suction cup; 33. air hole. DETAILED DESCRIPTION

[0016] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0017] According to one aspect of the present invention, Figure 1-3As shown, a liquid silicone blowing ejection automatic production mold is provided, including a rear mold fixing plate 14, the upper surface of the rear mold fixing plate 14 is symmetrically fixedly connected with a standing foot 13, the upper surface of the standing foot 13 is fixedly connected with a rear mold insulation A plate 12, the upper surface of the rear mold insulation A plate 12 is fixedly connected with a B plate 11, the upper surface of the B plate 11 is fixedly connected with a rear mold core 10, the interior of the rear mold core 10 is fixedly connected with a rear mold core insert 9, the upper surface of the rear mold core insert 9 is provided with an injection product groove 8, the upper surface of the rear mold core 10 is provided with a front mold core 7, the upper surface of the front mold core 7 is fixedly connected with an A plate 6, and the A plate 6 is fixedly connected with the front mold insulation plate 5, the upper surface of the front mold heat insulation plate 5 is fixedly connected with the cold runner B plate 4, the upper surface of the cold runner B plate 4 is fixedly connected with the cold runner A plate 3, the upper surface of the cold runner A plate 3 is provided with the front mold fixing plate 2, the upper surface of the front mold fixing plate 2 is fixedly connected with the positioning ring 1, the lower surface of the rear mold fixing plate 14 is fixedly connected with the rear mold heat insulation B plate 15, the rear mold heat insulation B plate 15 and the rear mold fixing plate 14 are fixedly connected with a sealing needle fixing block 27, the upper surface of the sealing needle fixing block 27 is fixedly connected with a sealing needle cushion block 29, the interior of the rear mold fixing plate 14 is slidably connected with a blowing sealing needle 23, the top end of the blowing sealing needle 23 extends into the rear mold fixing plate 14, and the sealing needle 23 is fixedly connected with the upper surface of the sealing needle fixing block 27. Inside the mold core insert 9, the outer wall of the blowing sealing needle 23 is fixedly connected to the upper ejector plate 20, the lower surface of the upper ejector plate 20 is fixedly connected to the lower ejector plate 21, the outer wall of the blowing sealing needle 23 is fixedly connected to the sealing ring B19, the lower surface of the cold runner B plate 4, the outer wall of the blowing sealing needle 23 is fixedly connected to the sealing ring A16, the outer wall of the sealing ring A16 is fixedly connected to the sealing ring pressing plate 17, the outer wall of the blowing sealing needle 23 is fixedly connected to the rear mold insert ejector rod 18, the outer wall of the rear mold insert ejector rod 18 is located inside the upper ejector plate 20 and is fixedly connected to the sealing ring B19, the lower surface of the inner part of the lower ejector plate 21 The outer wall of the air-blowing sealing needle 23 is fixedly connected with a sealing ring C24, the outer wall of the sealing ring C24 is fixedly connected with a sealing ring C fixing block 25, the sealing ring C24 and the sealing ring C fixing block 25 are fixedly connected with a sealing ring C cushion block 26, the bottom end of the air-blowing sealing needle 23 is fixedly connected with a spring 28, the outer wall of the air-blowing sealing needle 23, the inside of the rear mold fixing plate 14 is fixedly connected with a sealing needle cushion block 29, the left side of the upper ejector plate 20 is fixedly connected with an air pipe joint 30 and is fixedly connected with a B plate 11, the upper surface of the B plate 11 is fixedly connected with a rear mold core 10, and the inside of the rear mold core 10 is fixedly connected with a rear mold core insert 9;

[0018] When the device is in use, liquid plastic is injected into the interior of the injection molding product groove 8. At this time, the air pipe joint 30 is connected to the inflator, and the gas is blown into the interior of the injection molding product groove 8 through the air blowing sealing needle 23, so that the liquid plastic is evenly attached to the inner wall of the injection molding product groove 8. Then, the A plate 6 is opened to allow the product to leak out. Since the product is tightly attached to the rear mold insert 9, it will not remain in the front mold, and each component is sealed by different sealing rings, that is, the special contraction and expansion characteristics of the liquid silicone injection molding product are utilized. After the product is injected, it is blown into the mold to separate the product from the mold, thereby realizing the liquid silicone forming function of the device.

[0019] In this embodiment, the lower surface of the rear mold fixing plate 14 is fixedly connected with the rear mold heat insulation B plate 15, a sealing needle fixing block 27 is fixedly connected between the rear mold heat insulation B plate 15 and the rear mold fixing plate 14, a sealing needle cushion block 29 is fixedly connected between the upper surfaces of the sealing needle fixing block 27, an air blowing sealing needle 23 is slidably connected inside the rear mold fixing plate 14, the top end of the air blowing sealing needle 23 extends into the top of the B plate 11 and a profiling jig 31 is arranged, a vacuum suction cup 32 is fixedly connected inside the profiling jig 31, and an air hole 33 is fixedly connected to the inner upper surface of the vacuum suction cup 32;

[0020] After the liquid silicone is formed, the ejector pin of the injection molding machine is started to eject the lower ejector plate 21, driving the three workpieces of the injection molded product groove 8, the rear mold core insert 9 and the rear mold insert ejector pin 18 to eject the product. At this time, the vacuum suction cup inside the profiling jig 31 is started to tightly adsorb the product. Then the profiling jig 31 is moved to drive the product to leave the mold. When the blown product expands, the profiling jig 31, under the control of the manipulator, approaches the product and starts vacuum extraction, sucking the product into the profiling jig 31. The molded product can be taken out by blowing in the mold and retreating the manipulator. The taken out product can be put into a box that can be packaged or on an assembly line, thereby realizing fully automatic production.

[0021] The working principle of this device is:

[0022] When the device is in use, liquid plastic is injected into the interior of the injection molding product groove 8. At this time, the air pipe joint 30 is connected to the inflator, and the gas is blown into the interior of the injection molding product groove 8 through the air blowing sealing needle 23, so that the liquid plastic is evenly attached to the inner wall of the injection molding product groove 8. Then, the A plate 6 is opened to allow the product to leak out. Since the product is closely attached to the rear mold insert 9, it will not remain in the front mold, and each component is sealed by different sealing rings, that is, the special contraction and expansion characteristics of the liquid silicone injection molding product are utilized. After the product is injected, it is blown into the mold to separate the product from the mold, thereby realizing the liquid silicone forming function of the device;

[0023] After the liquid silicone is formed, the ejector pin of the injection molding machine is started to eject the lower ejector plate 21, driving the three workpieces of the injection molded product groove 8, the rear mold core insert 9 and the rear mold insert ejector pin 18 to eject the product. At this time, the vacuum suction cup inside the profiling jig 31 is started to tightly adsorb the product. Then the profiling jig 31 is moved to drive the product to leave the mold. When the blown product expands, the profiling jig 31, under the control of the manipulator, approaches the product and starts vacuum extraction, sucking the product into the profiling jig 31. The molded product can be taken out by blowing in the mold and retreating the manipulator. The taken out product can be put into a box that can be packaged or on an assembly line, thereby realizing fully automatic production.

[0024] The electrical components that appear in this article are all electrical components that exist in reality.

[0025] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A liquid silicone gas blowing ejection automatic production mold, comprising a rear mold fixing plate (14), characterized in that: The upper surface of the rear mold fixing plate (14) is symmetrically fixedly connected with a standing foot (13), the upper surface of the standing foot (13) is fixedly connected with a rear mold heat insulation A plate (12), the upper surface of the rear mold heat insulation A plate (12) is fixedly connected with a B plate (11), the upper surface of the B plate (11) is fixedly connected with a rear mold core (10), the interior of the rear mold core (10) is fixedly connected with a rear mold core insert (9), the upper surface of the rear mold core insert (9) is provided with an injection molding product groove (8), and the rear mold core ( 10) is provided with a front mold core (7) on its upper surface, the front mold core (7) is fixedly connected to an A plate (6) on its upper surface, the A plate (6) is fixedly connected to a front mold heat insulation plate (5), the front mold heat insulation plate (5) is fixedly connected to a cold runner B plate (4) on its upper surface, the cold runner B plate (4) is fixedly connected to a cold runner A plate (3) on its upper surface, the cold runner A plate (3) is provided with a front mold fixing plate (2) on its upper surface, and a positioning ring (1) is fixedly connected to the front mold fixing plate (2) on its upper surface.

2. The liquid silicone blowing and ejection automatic production mold according to claim 1, characterized in that: The lower surface of the rear mold fixing plate (14) is fixedly connected to the rear mold heat insulation B plate (15), a sealing needle fixing block (27) is fixedly connected between the rear mold heat insulation B plate (15) and the rear mold fixing plate (14), a sealing needle cushion block (29) is fixedly connected between the upper surfaces of the sealing needle fixing block (27), and an air-blowing sealing needle (23) is slidably connected inside the rear mold fixing plate (14), and the top end of the air-blowing sealing needle (23) extends into the rear mold core. Inside the insert (9), the outer wall of the blowing sealing needle (23) is fixedly connected to the upper ejector plate (20), the lower surface of the upper ejector plate (20) is fixedly connected to the lower ejector plate (21), the outer wall of the blowing sealing needle (23) is fixedly connected to the sealing ring B (19), the lower surface of the cold runner B plate (4) is located at the outer wall of the blowing sealing needle (23) and is fixedly connected to the sealing ring A (16), the outer wall of the sealing ring A (16) A sealing ring pressure plate (17) is fixedly connected, the outer side wall of the air-blowing sealing needle (23) is fixedly connected to a rear mold insert push rod (18), the outer side wall of the rear mold insert push rod (18) is located inside the upper push pin plate (20) and is fixedly connected to a sealing ring B (19), the inner lower surface of the lower push pin plate (21) is located on the outer side wall of the air-blowing sealing needle (23) and is fixedly connected to a sealing ring C (24), the outer side wall of the sealing ring C (24) is fixedly connected to the A sealing ring C fixing block (25) is connected, the sealing ring C (24) and the sealing ring C fixing block (25) are fixedly connected to a sealing ring C pad block (26), the bottom end of the blowing sealing needle (23) is fixedly connected to a spring (28), the outer wall of the blowing sealing needle (23) is located inside the rear mold fixing plate (14) and is fixedly connected to a sealing needle pad block (29), and the left side of the upper ejector plate (20) is fixedly connected to a trachea joint (30).

3. The liquid silicone blowing and ejection automatic production mold according to claim 1, characterized in that: The lower surface of the rear mold fixing plate (14) is fixedly connected to the rear mold insulation B plate (15), a sealing needle fixing block (27) is fixedly connected between the rear mold insulation B plate (15) and the rear mold fixing plate (14), a sealing needle cushion block (29) is fixedly connected between the upper surfaces of the sealing needle fixing block (27), the interior of the rear mold fixing plate (14) is slidably connected to a blowing sealing needle (23), the top end of the blowing sealing needle (23) extends into the upper part of the B plate (11) and a profiling jig (31) is provided, the interior of the profiling jig (31) is fixedly connected to a vacuum suction cup (32), and the internal upper surface of the vacuum suction cup (32) is fixedly connected to an air hole (33).