Closed-die progressive draw die

Abstract

The utility model relates to the closing mould forming technical field especially relates to a closing mould forming step -by -step formula stripper die. Including the silica gel mould and the mold -splitting mould of upper and lower settings, and the mold -splitting mould divides into first mold -splitting module, second mold -splitting module and third mold -splitting module, second mold -splitting module with first mold -splitting module rear adjacent setting and are connected through first rotary connecting piece, and third mold -splitting module sets up in the top both sides of second mold -splitting module, the mold selection suitable mold -splitting face in this patent has carried out mold -splitting processing, has guaranteed that product can smoothly stripper die, utilizes a plurality of detachable connecting piece, rotary connecting piece and sealing strip simultaneously, guarantees the position limitation and correct position installation of each mold -splitting mould while, ensure the sealing between mold -splitting mould. When the silica gel mould is laid in the upper surface of mold -splitting mould, can utilize vacuum pump through the air pipe and add negative pressure to form air lock mould cavity to make this mould seal not air leakage.

Description

Technical Field

[0001] This utility model relates to the field of closed mold forming technology, and in particular to a step-by-step demolding mold for closed mold forming. Background Technology

[0002] Some products have unique and complex structures. For example, the top perimeter of existing products has both recessed and protruding sections, resulting in a recess at the top of the mold cavity. This makes it impossible to demold in one go, requiring the use of inserts to achieve demolding. However, some products have multiple areas where demolding is impossible, leading to excessive weight and difficulty in handling the inserts, as well as potential safety risks. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a closed-mold forming mold for products that cannot be demolded in one go, which is safe to use and easy to operate.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a closed-mold molding step-by-step demolding mold, the innovation of which is: it includes a silicone mold and a mold-separating mold arranged at the top and bottom, and the mold-separating mold is divided into a first sub-module, a second sub-module and a third sub-module; The second sub-module is arranged adjacent to the first sub-module and connected by the first rotating connector, and a first sealing strip is provided between the contact surfaces of the first sub-module and the second sub-module; The third sub-module is disposed on top of the second sub-module, and the third sub-module is connected to the second sub-module through the second rotating connector. At the same time, the third sub-module is also disposed closely adjacent to the first sub-module. Therefore, a second sealing strip is provided between the contact surfaces of the second sub-module and the third sub-module and between the contact surfaces of the third sub-module and the first sub-module. The upper surface of the mold is also provided with an inner spiral tube and an outer sealing strip distributed in a closed loop. The inner spiral tube is located inside the outer sealing strip and a ventilation slit is provided on the inner spiral tube. The silicone mold is laid on the upper surface of the mold splitting mold, and a molding cavity is formed between the silicone mold and the mold splitting mold located inside the inner spiral tube. Multiple air extraction pipes connected to the inner spiral tube are also evenly installed on the silicone mold. The silicone mold is also provided with a feed port connected to the molding cavity.

[0005] Furthermore, a first receiving cavity is provided between the first sub-module and the second sub-module to accommodate the first sealing strip; A second receiving cavity is provided between the second sub-module and the third sub-module, and between the third sub-module and the first sub-module, to accommodate the second sealing strip.

[0006] Furthermore, the upper surface of the parting mold is also provided with an outer groove for accommodating the outer sealing strip and an inner groove for accommodating the inner spiral tube.

[0007] Furthermore, a first mechanical locking component is provided on the silicone mold, and the first mechanical locking component is located on the outer sealing strip.

[0008] Furthermore, a second mechanical locking component is provided on the silicone mold, and this second mechanical locking component is located between the outer sealing strip and the inner spiral tube. The first mechanical locking component and the second mechanical locking component cooperate to achieve a stable locking between the silicone mold and the parting mold.

[0009] Furthermore, it also includes a first support frame and a second support frame, with the first support frame disposed on the bottom side of the first sub-module and the second support frame disposed on the bottom side of the second sub-module, thereby providing stable support for the closed mold forming die.

[0010] Furthermore, the first sub-module and the second sub-module are mounted on the first support frame and the second support frame via a first detachable connector, and the third sub-module and the second sub-module are mounted on the second support frame via a second detachable connector.

[0011] The advantages of this utility model are: In this patent, after selecting a suitable parting surface for the mold, the mold was processed to ensure that the product could be demolded smoothly. At the same time, by using multiple detachable connectors, rotating connectors and sealing strips, the position of each mold part was limited and correctly installed, while ensuring the sealing between the mold parts.

[0012] In use, dry fibers are first laid inside the mold, and then silicone mold is laid on the upper surface of the mold. A vacuum pump is used to apply negative pressure through the air extraction pipe to form an air-locked mold cavity, making the mold airtight. Then, resin is fed into the molding cavity through the inlet. The vacuum pump is used to apply negative pressure through the air extraction pipe, and ventilation slits are opened on the inner spiral tube. The resin inside can be evenly drawn and distributed around the molding cavity through the ventilation slits to ensure the quality of the molded product.

[0013] The structure also includes a first support frame and a second support frame, with the first support frame disposed on the bottom side of the first sub-module and the second support frame disposed on the bottom side of the second sub-module, thereby providing stable support for the closed mold forming die.

[0014] The first and second mechanical locking components work together to achieve a secure locking between the silicone mold and the parting mold.

[0015] After the material inside the molding cavity is formed, remove the silicone mold and disassemble the detachable connectors. Then, use the rotating connectors to lift the third and first sub-modules outwards, and the molded product can be taken out directly, which is convenient and quick. Attached Figure Description

[0016] Figure 1 This is a three-dimensional view of the parting mold structure of this utility model.

[0017] Figure 2 This is a three-dimensional view of the silicone mold structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the connection structure between the first mold and the second mold of this utility model.

[0019] Figure 4 This is a schematic diagram of the first mold structure of this utility model. Detailed Implementation

[0020] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0021] like Figure 1 The invention relates to a closed-mold molding step-by-step demolding mold, which includes a silicone mold 1 and a parting mold 2 arranged at the top and bottom. The parting mold 2 is divided into a first parting module 21, a second parting module 22 and a third parting module 23. In this patent, the mold is processed by selecting a suitable parting surface and then performing the parting process to ensure that the product can be demolded smoothly.

[0022] The first sub-module 21 is installed on the first support frame 3, the second sub-module 22 is installed on the second support frame 4, and the third sub-module 23 includes a left third sub-module 231 and a right third sub-module 232 respectively installed on the top of the left and right sides of the second sub-module 22 and closely adjacent to the first sub-module 21. The third sub-module 23, the second sub-module 22 and the second support frame 4 are fixedly connected by a second detachable connector 6.

[0023] The first support frame 3 and the second support frame 4 provide stable support for the closed mold forming mold, and the first sub-module 21, the second sub-module 22, the first support frame 3 and the second support frame 4 are fixedly connected by the first detachable connector 5.

[0024] In this embodiment, the first detachable connector 5 and the second detachable connector 6 have similar structures, both including two L-shaped plates 51 and fixing bolts 53 and nuts 54. The horizontal sections of the two L-shaped plates 51 are fixed sections, which are threadedly fixed to the first support frame 3 or the second support frame 4. The vertical sections of the two L-shaped plates 51 are adjacent and closely fitted, and an opening groove is opened on one side of the length of the two vertical sections. The extension side of the fixing bolt 53 passes through the opening groove and is locked with the nut 54.

[0025] The first sub-module 21 is of type 7. It is arranged adjacent to the second sub-module 22 and connected at the bottom by the first rotating connector 24. The second sub-module 22 is located in front of the first sub-module 21. The first sub-module 21 has a first recessed part in the middle of the side of the first sub-module 22. A first space for accommodating the first recessed part is also provided in the middle of the front side of the first support frame 3.

[0026] Two first receiving cavities are also provided between the first sub-module 21 and the second sub-module 22. Each first receiving cavity is provided with a first sealing strip 25, and the first sealing strip 25 is a U-shaped structure extending along the parting surface of the first sub-module 21 and the second sub-module 22.

[0027] The second sub-module 22 has a second recessed portion in the middle, and the tops of the left and right sides of the second sub-module 22 are horizontal and stepped, respectively. The second support frame 4 is concave, and the recessed portion of the second support frame 4 is used to accommodate the second recessed portion.

[0028] The third sub-module 232 on the right is a Z-shaped structure that fits the stepped top of the right side of the second sub-module 22, and the third sub-module 231 on the left is a plate-shaped structure that fits the horizontal top of the left side of the second sub-module 22. A second rotating connector 26 is connected between the left side of the third sub-module 231 and the second sub-module 22, and between the right side of the third sub-module 232 and the second sub-module 22.

[0029] In this embodiment, both the first rotary connector 24 and the second rotary connector 26 are hinges.

[0030] Two second receiving cavities are provided between the contact surfaces of the second sub-module 22 and the third sub-module 23 and between the contact surfaces of the third sub-module 23 and the first sub-module 21, and a second sealing strip 27 is provided in each second receiving cavity.

[0031] The second sealing strip 27 includes a left sealing element 271 disposed between the first sub-module 21, the second sub-module 22 and the left third sub-module 231, and a right sealing element 272 disposed between the first sub-module 21, the second sub-module 22 and the right third sub-module 232.

[0032] The upper surface of the mold 2 is also provided with an outer groove 201 for accommodating the outer sealing strip 28 and an inner groove for accommodating the inner spiral tube 29. The inner groove and the outer groove 201 are both distributed in a closed loop. The inner spiral tube 29 is located inside the outer sealing strip 28 and a spiral ventilation slit is provided on the inner spiral tube 29.

[0033] The silicone mold 1 includes a silicone mold body 11. The silicone mold 1 is laid on the upper surface of the parting mold 2, and a molding cavity is formed between the silicone mold 1 and the parting mold 2 on the inner side of the inner spiral tube 29. Five air extraction pipes 12 are evenly installed on the silicone mold body 11, and the five air extraction pipes 12 are all connected to the inner spiral tube 29. A feed port connected to the molding cavity is provided at the center of the bottom of the silicone mold body 11, and a feed pipe 13 is installed at the feed port.

[0034] This patent utilizes multiple detachable connectors, rotating connectors, and sealing strips to ensure the positional limitation and correct installation of each mold, while also ensuring the sealing between the molds.

[0035] The silicone mold body 11 is also provided with a first mechanical locking mold component 14, and the first mechanical locking mold component 14 is located above the outer sealing strip 28.

[0036] A protruding reinforcing rib structure is provided on the silicone mold body 11 between the outer sealing strip 28 and the inner spiral tube 29. A second mechanical locking mold component 15 is also provided on the reinforcing rib structure between the outer sealing strip 28 and the inner spiral tube 29 on the silicone mold body 11. The first mechanical locking mold component 14 and the second mechanical locking mold component 15 cooperate to achieve a stable locking between the silicone mold 1 and the parting mold 2.

[0037] In this embodiment, the first mechanical locking mold 14 and the second mechanical locking mold 15 are both commercially available locking devices, which are existing technologies and will not be described in detail here.

[0038] The working principle of this patent: First, dry fibers are laid inside the mold 2. Then, silicone mold 1 is laid on the upper surface of the mold 2 and locked with the first mechanical locking component 14 and the second mechanical locking component 15. Then, a vacuum pump is used to apply negative pressure through the air extraction pipe 12 to form an air-locking cavity, so that the mold is sealed and leak-proof. Then, liquid resin is sent into the molding cavity through the feed pipe 13. The vacuum pump is used to apply negative pressure through the air extraction pipe 12. The internal resin can be drawn and evenly dispersed to the periphery of the molding cavity through the ventilation slits on the inner spiral tube 29 that extend along its axis, so as to ensure the quality of the molded product.

[0039] After the product is formed, remove the silicone mold 1, remove the fixing bolts 53 and nuts 54 on the first detachable connector 5 and the second detachable connector 6, then flip the third sub-module 231 on the left to the left, flip the third sub-module 232 on the right to the right, and flip the first sub-module 21 to the rear, so that the formed product can be taken out directly, which is convenient and quick.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A closed-mold forming step-by-step demolding mold, characterized in that: It includes a silicone mold and a parting mold arranged vertically, and the parting mold is divided into a first parting module, a second parting module and a third parting module; The second sub-module is arranged adjacent to the first sub-module and connected by the first rotating connector, and a first sealing strip is provided between the contact surfaces of the first sub-module and the second sub-module; The third sub-module is disposed on top of the second sub-module and is connected to the second sub-module by a second rotating connector. The third sub-module is also disposed closely adjacent to the first sub-module, and a second sealing strip is provided between the contact surfaces of the second sub-module and the third sub-module and between the contact surfaces of the third sub-module and the first sub-module. The upper surface of the mold is also provided with an inner spiral tube and an outer sealing strip distributed in a closed loop. The inner spiral tube is located inside the outer sealing strip and a ventilation slit is provided on the inner spiral tube. The silicone mold is laid on the upper surface of the mold splitting mold, and a molding cavity is formed between the silicone mold and the mold splitting mold located inside the inner spiral tube. Multiple air extraction pipes connected to the inner spiral tube are also evenly installed on the silicone mold. The silicone mold is also provided with a feed port connected to the molding cavity.

2. The closed-mold molding step-by-step demolding mold according to claim 1, characterized in that: A first receiving cavity is provided between the first sub-module and the second sub-module to accommodate the first sealing strip; A second receiving cavity is provided between the second sub-module and the third sub-module, and between the third sub-module and the first sub-module, to accommodate the second sealing strip.

3. The closed-mold molding step-by-step demolding mold according to claim 1, characterized in that: The upper surface of the mold is also provided with an outer groove for accommodating the outer sealing strip and an inner groove for accommodating the inner spiral tube.

4. The step-by-step demolding mold for closed-mold forming according to claim 1, characterized in that: The silicone mold is further provided with a first mechanical locking mold component, which is located on the outer sealing strip.

5. The closed-mold molding step-by-step demolding mold according to claim 1, characterized in that: The silicone mold is further provided with a second mechanical locking mold component, which is located between the outer sealing strip and the inner spiral tube.

6. The step-by-step demolding mold for closed-mold forming according to claim 1, characterized in that: It also includes a first support frame and a second support frame, with the first support frame disposed on the bottom side of the first sub-module and the second support frame disposed on the bottom side of the second sub-module.

7. A closed-mold forming step-by-step demolding mold according to claim 6, characterized in that: The first sub-module and the second sub-module are mounted on the first support frame and the second support frame via a first detachable connector, and the third sub-module and the second sub-module are mounted on the second support frame via a second detachable connector.

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