CN212948946U - Automatic demoulding mechanism for side glue openings of two-plate mould - Google Patents

Automatic demoulding mechanism for side glue openings of two-plate mould Download PDF

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Publication number
CN212948946U
CN212948946U CN202021248878.4U CN202021248878U CN212948946U CN 212948946 U CN212948946 U CN 212948946U CN 202021248878 U CN202021248878 U CN 202021248878U CN 212948946 U CN212948946 U CN 212948946U
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China
Prior art keywords
runner
core
thimble
mold core
mold
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CN202021248878.4U
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Chinese (zh)
Inventor
刘云
王青荣
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Chengdu Dingyi Precision Mold Co ltd
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Chengdu Dingyi Precision Mold Co ltd
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Abstract

The utility model discloses an automatic demoulding mechanism for a side glue port of a two-plate mould, which comprises a mould core, wherein the mould core is provided with a plurality of forming cavities for product injection moulding, the plurality of forming cavities are communicated through a subchannel, and the subchannel is connected with the forming cavities through the side glue port; a cylinder is arranged below the forming cavity, the cylinder penetrates through the mold core and extends to the lower end of the mold core, and a cylinder ejecting needle is arranged in the cylinder in a sliding manner; a first runner thimble is arranged below the sub-runner, penetrates through the die core and extends to the lower end of the die core, and the first runner thimble is connected with the die core in a sliding manner. The scheme has stable structure, effectively saves the production time of products and saves the production cost.

Description

Automatic demoulding mechanism for side glue openings of two-plate mould
Technical Field
The utility model relates to the technical field of mold, concretely relates to two board moulds side jiao kou automatic demoulding mechanism.
Background
With the development of the injection mold industry and the progress of the society, the automatic production of injection products becomes a necessary trend. Generally, the automatic production of plastic products is realized by automatically separating the products through a three-plate mold glue dispensing opening, a two-plate mold latent glue dispensing opening and a hot runner glue dispensing opening. However, this structure is complicated and costly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, stable two board mould side gum mouth automatic demoulding mechanism.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the automatic demolding mechanism comprises a mold core, wherein a plurality of molding cavities for product injection molding are arranged on the mold core, the molding cavities are communicated through a runner, and the runner is connected with the molding cavities through side glue ports; a cylinder is arranged below the forming cavity, the cylinder penetrates through the mold core and extends to the lower end of the mold core, and a cylinder ejecting needle is arranged in the cylinder in a sliding manner; a first runner thimble is arranged below the sub-runner, penetrates through the die core and extends to the lower end of the die core, and the first runner thimble is connected with the die core in a sliding manner.
Further, the width a of the side glue opening ranges from 2mm to 6mm, the depth t of the side glue opening is 1/3a, wherein t is the thickness of the desired injection molding product, and 0.5mm to 3 mm.
Furthermore, four molding cavities are arranged on the mold core, every two molding cavities of the four molding cavities are communicated with the same main runner, the first runner ejector pin is located below the main runner, and the main runner is communicated with the sub-runners.
Furthermore, a second runner thimble is arranged below the sub-runner, the second runner thimble is positioned at the center of the mold core, the second runner thimble is connected with the mold core in a sliding manner, and the second runner thimble penetrates through the mold core and extends to the lower end of the mold core.
The utility model has the advantages that: the molding cavity is used for injection molding raw materials to form a product, the raw materials are injected into the molding cavity through the sub-runner, after the product is molded, the ejector pin and the first runner ejector pin eject the product and the raw materials in the sub-runner together, and the raw materials in the side glue openings are automatically separated from the product in the ejection process due to stress concentration, so that the purpose of separating the product and the raw materials in the sub-runner is achieved; the scheme has stable structure, effectively saves the production time of products and saves the production cost.
The size of the side glue opening is set within a set range, so that the raw materials in the side glue opening are disconnected with the product in the ejection process; each two molding cavities on the mold core are communicated through the same main runner, so that the first runner ejector pins can conveniently eject the raw materials in the main runner to realize separation from the product; the second runner ejector pin is used for ejecting the raw materials in the sub-runners, so that automatic separation is realized.
Drawings
Fig. 1 is a schematic structural view of an automatic demolding mechanism for a side glue opening of a two-plate mold.
Fig. 2 is a top view of the two-plate mold side gate automatic stripper mechanism.
Fig. 3 is a schematic diagram of the ejection state of the two-plate mold side gate automatic demolding mechanism.
The mold comprises a main flow channel, a product, a sub-flow channel, a side glue opening, a mold core, a cylinder ejector pin, a first flow channel ejector pin, a second flow channel ejector pin, a main flow channel and a mold core, wherein the main flow channel ejector pin is arranged on the main flow channel ejector pin, the product is 1, the sub-flow channel is 2.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1 to 3, the automatic demolding mechanism for the side glue openings of the two-plate mold comprises a mold core 4, wherein a plurality of molding cavities for injection molding of a product 1 are arranged on the mold core 4, the molding cavities are communicated through a runner 2, and the runner 2 is connected with the molding cavities through the side glue openings 3; an ejector sleeve 6 is arranged below the forming cavity, the ejector sleeve 6 penetrates through the die core 4 and extends to the lower end of the die core 4, and an ejector sleeve needle 5 is arranged in the ejector sleeve 6 in a sliding mode; a first runner thimble 7 is arranged below the sub-runner 2, the first runner thimble 7 extends to the lower end of the die core 4, and the first runner thimble 7 is connected with the die core 4 in a sliding manner.
The forming cavity is used for injection molding raw materials to form a product 1, the raw materials are injected into the forming cavity through the sub-channel 2, after the product 1 is formed, the ejector pin 5 and the first channel ejector pin 7 eject the raw materials in the product 1 and the sub-channel 2 together, and the raw materials in the side glue port 3 are automatically separated from the product 1 in the ejection process due to stress concentration, so that the purpose of separating the raw materials in the product 1 and the sub-channel 2 is achieved; the scheme has stable structure in the using process, effectively saves the production time of the product 1 and saves the production cost.
The width a of the side glue opening 3 ranges from 2mm to 6mm, the depth t of the side glue opening 3 is 1/3a, t is the thickness of the required injection molding product 1, and t is 0.5mm to 3 mm; four molding cavities are arranged on the mold core 4, every two molding cavities of the four molding cavities are communicated with the same main runner 9, the first runner ejector pin 7 is positioned below the main runner 9, and the main runner 9 is communicated with the sub-runners 2.
A second flow passage thimble 8 is arranged below the sub-flow passage 2, the second flow passage thimble 8 is positioned at the center of the mold core 4, the second flow passage thimble 8 is connected with the mold core 5 in a sliding manner, and the second flow passage thimble 8 penetrates through the mold core 4 and extends to the lower end of the mold core 4.
The size of the side glue opening 3 is set within a set range, so that the raw materials in the side glue opening 3 are ensured to be disconnected in the ejection process; every two molding cavities on the mold core 4 are communicated through the same main runner 9, so that the first runner ejector pins 7 can eject raw materials in the main runner 9 conveniently, and the separation from the product 1 is realized; the second runner ejector pin 8 is used for ejecting the raw materials in the sub-runners 2, and automatic separation is achieved.

Claims (4)

1. The automatic demolding mechanism for the side glue port of the two-plate mold is characterized by comprising a mold core (4), wherein a plurality of molding cavities are arranged on the mold core (4), the molding cavities are communicated through a runner (2), and the runner (2) is connected with the molding cavities through the side glue port (3); an ejector sleeve (6) is arranged below the forming cavity, the ejector sleeve (6) penetrates through the die core (4) and extends to the lower end of the die core (4), and an ejector sleeve needle (5) is arranged in the ejector sleeve (6) in a sliding mode; a first runner thimble (7) is arranged below the sub-runner (2), the first runner thimble (7) penetrates through the die core (4) and extends to the lower end of the die core (4), and the first runner thimble (7) is in sliding connection with the die core (4).
2. The two-plate mold side gate automatic demolding mechanism according to claim 1, wherein the width a of the side gate (3) ranges from 2mm to 6mm, the depth t of the side gate (3) is t 1/3a, wherein t is the thickness of the desired injection molding product (1), and t is 0.5mm to 3 mm.
3. The automatic demolding mechanism for the two-plate mold side glue port according to claim 1, wherein four molding cavities are arranged on the mold core (4), every two adjacent molding cavities of the four molding cavities are communicated with the same main runner (9), the first runner ejector pin (7) is located below the main runner (9), and the main runner (9) is communicated with the sub-runner (2).
4. The automatic demolding mechanism for the two-plate mold side gate according to claim 1, wherein a second flow channel thimble (8) is arranged below the sub-flow channel (2), the second flow channel thimble (8) is located at the center of the mold core (4), the second flow channel thimble (8) is slidably connected with the mold core (4), and the second flow channel thimble (8) penetrates through the mold core (4) and extends to the lower end of the mold core (4).
CN202021248878.4U 2020-06-30 2020-06-30 Automatic demoulding mechanism for side glue openings of two-plate mould Active CN212948946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021248878.4U CN212948946U (en) 2020-06-30 2020-06-30 Automatic demoulding mechanism for side glue openings of two-plate mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021248878.4U CN212948946U (en) 2020-06-30 2020-06-30 Automatic demoulding mechanism for side glue openings of two-plate mould

Publications (1)

Publication Number Publication Date
CN212948946U true CN212948946U (en) 2021-04-13

Family

ID=75388771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021248878.4U Active CN212948946U (en) 2020-06-30 2020-06-30 Automatic demoulding mechanism for side glue openings of two-plate mould

Country Status (1)

Country Link
CN (1) CN212948946U (en)

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