TW202030070A - Improved structure of mold for preventing mold from getting stuck or out of service to cause shutdown of production and thus enhance manufacturing smoothness - Google Patents

Abstract

The present invention relates to an improved structure of mold. The mold includes a female mold and a male mold that are combinable with each other, wherein the mold comprises a material inlet channel formed, in a penetrating form, in an interior of the female mold and has a spruce formed at one side of the material inlet channel. The mold is provided with a runner on one side surface of the male mold to be in the same axial direction as the material inlet channel and communicating with an opposite side of the material inlet channel. The runner is provided, in the interior thereof, with at least one pulling pin that is perpendicular to the material inlet channel. The mold is further provided, in the interior thereof, with a splitting channel in communication with the material inlet channel and the runner. The splitting channel communicates, at an opposite side thereof, with at least one cavity. When a molded object is formed in the mold and the male mold is to be separated from the female mold, the pulling pin may be used to increase a pulling force for the molded object, so as to make the molded object effectively separating from the material inlet channel to prevent the molded object from cracking or adhering to an inner side of the material inlet channel. Thus, the present invention may prevent the mold from getting stuck or out of service to cause the shutdown of production, and thus enhance the manufacturing smoothness.

Description

Mold structure improvement

The present invention provides an improvement in the structure of a mold. In particular, the runner of the mold is provided with at least one pull pin perpendicular to the feeding channel. When the male mold is displaced outward, the pull pin will lift the formed object Secondly, the pulling force of the material head ensures that the main material head of the formed object is indeed separated from the feeding channel of the mother mold side, thereby preventing the occurrence of clamping or shutdown.

According to, the molding molds currently used to produce plastic products are mainly formed by combining the female mold and the male mold. The mold will form a cavity and a pouring runner in the female mold and the male mold, and can be combined with plastic injection Plastic Injection Machine (Plastic Injection Machine) is used to inject plastic into the mold cavity from the pouring runner, and after a period of cooling, the required plastic products will be formed in the mold cavity, and the male mold can be opened again to Take out the plastic product from the mold cavity.

Furthermore, generally the side of the pouring runner on the side of the female mold is provided with a pouring port for plastic pouring, and the axial direction of the pouring runner on the side of the female mold is parallel to the direction when the male mold is opened. However, when After the plastic is injected into the mold cavity and formed, the material head located in the pouring runner of the mother mold will stick to the inner wall of the pouring runner, and the axis of the pouring runner on the female mold side is parallel to the male mold. The direction of opening, so if the drawing force when the male mold is opened is insufficient, the material head in the pouring runner cannot be pulled out, so that the shutdown or clamping of the mold will occur, which will affect the overall manufacturing flow. Cheng.

Therefore, how to solve the above-mentioned deficiencies and inconveniences of conventional use is the direction that relevant industries in this industry want to study and improve.

Therefore, in view of the above-mentioned deficiencies, the inventor collected relevant information, and through multiple evaluations and considerations, he designed the invention patentee who improved the structure of this mold.

The main purpose of the present invention is that the mold includes a female mold and a male mold that are combined with each other, wherein the mold is located inside the female mold and has a feed passage through it, and a runner opening is provided at one side of the feed passage, and the mold is located One side surface of the male mold is provided with a runner which is in the same axial direction as the feed channel and is connected to the other side of the feed channel, and at least one pull pin perpendicular to the feed channel is arranged inside the runner. The inside of the mold is provided with a sub-runner communicating with the feed channel and the runner, and the other side of the sub-runner is connected with at least one mold cavity. When the molded product is formed in the mold, the molded product will be in the feed channel of the mold. The main material head, the secondary material head, the material dividing head and at least one finished product are respectively formed in the sprue, the runner, and at least one mold cavity, and the secondary material head will be formed with a perforation for the pulling tip to pass through. And when the male mold is separated from the female mold, the pulling pin will increase the pulling force of the secondary material head, so that the main material head of the formed object can be reliably separated from the feeding channel to avoid the main material head breaking or Adhesive to the inside of the feeding channel, thereby preventing the mold from clamping or shutting down and causing the process to stop, so that the demolding operation can be performed smoothly, and the purpose of improving the smoothness of manufacturing is achieved.

The secondary purpose of the present invention is that the bottom surface of the female mold of the mold is provided with a plurality of rods inclined outward, and the male mold is provided with two sliders capable of lateral relative displacement, and the surfaces of the two sliders are concave There are a plurality of slots inclined outwards. When the male mold is combined with the female mold, the plurality of rods That is, it will be inserted into a plurality of slots to drive the two sliders to move inward relative to each other, so that a runner and at least one mold cavity are formed inside the two sliders. When a molded object is cast in the mold, the male The mold is separated from the female mold. At this time, the plural rod bodies will be separated in the plural slots, so that the two sliding blocks are relatively displaced outwards, so that the pulling pin is automatically separated from the perforation of the secondary material head. It is convenient to take out the formed object from the male mold to achieve the purpose of improving the convenience and smoothness of manufacturing operations.

1‧‧‧Mould

11‧‧‧Female model

111‧‧‧Pole

12‧‧‧Male model

121‧‧‧Slider

122‧‧‧Slot

13‧‧‧Feeding channel

14‧‧‧The sprue opening

15‧‧‧Runner

151‧‧‧Pulling Tip

16‧‧‧Distributor

17‧‧‧Mould cavity

2‧‧‧Forms

21‧‧‧Main feed head

22‧‧‧ Secondary feed head

221‧‧‧ Piercing

23‧‧‧Material head

24‧‧‧Finished product

The first figure is a perspective view of the present invention.

The second figure is a three-dimensional exploded view of the present invention.

The third figure is a three-dimensional exploded view of the present invention from another perspective.

The fourth figure is a side sectional view of the present invention.

The fifth figure is a cross-sectional side view of the present invention after pouring.

The sixth figure is a schematic diagram of the separation of the male mold after pouring.

The seventh figure is a perspective view of the molded article of the present invention.

In order to achieve the above-mentioned purposes and effects, the technical means and structure adopted by the present invention are illustrated in detail in the following description of the preferred embodiments of the present invention, so as to fully understand.

Please refer to the first, second, third, and fourth figures, which are the three-dimensional appearance view, the three-dimensional exploded view, the three-dimensional exploded view and the side sectional view of the present invention from another perspective. It can be clearly seen from the figures that the present invention The mold 1 includes a female mold 11 and a male mold 12 that are combined with each other. The mold 1 is located inside the female mold 11 and has a feeding channel 13 therethrough, and is provided on one side of the feeding channel 13 The sprue opening 14 and the mold 1 on one side surface of the male mold 12 is provided with a sprue 15 which is in the same axial direction as the feed channel 13 and is connected to the other side of the feed channel 13, and at least one and The feeding channel 13 is formed as a pulling pin 151 perpendicular to each other, and a runner 16 communicating with the feeding channel 13 and the runner 15 is provided inside the mold 1, and at least one cavity 17 is connected to the other side of the runner 16.

The axial direction of the feed passage 13 of the mold 1 is perpendicular to the axial direction of the runner 16 of the mold 1.

Furthermore, the pull tip 151 of the runner 15 may be a cylinder in the shape of a cylinder, a triangle, a cube, or a rectangular parallelepiped.

However, the pull pin 151 of the runner 15 is preferably movably inserted or assembled in the runner 15, but in practical applications, it can also be integrally formed at the inner wall of the runner 15. However, the runner 15 There are many ways to form the pull tip 151 inside, so any structure that can achieve the aforementioned effects should be covered by the present invention. Such simple modifications and equivalent structural changes should be included in the patent scope of the present invention for the same reason. He Yu Chen Ming.

Please also refer to Figures 4, 5, 6 and 7 which are the side sectional view of the present invention, the side sectional view after pouring, the schematic diagram of the separation of the male mold after pouring, and the three-dimensional appearance of the molded object. It can be clearly seen in the figure that the present invention can first combine the female mold 11 and the male mold 12 of the mold 1 with each other, and pour raw materials (such as soft materials such as plastic or rubber) into the mold through injection molding. In the sprue opening 14 of 1, the raw material will flow into the sprue 15 along the feed channel 13, and the raw material will fill the sprue 15 and cover the pull pin 151 inside the sprue 15, and After the raw material fills the runner 15, the raw material will flow into the runner 16, and then the runner 16 will flow the material into at least one cavity 17 of the mold 1. After the mold cavity 17 is filled with raw materials and cooled, the molded product 2 will be formed in the mold 1, and the molded product 2 will be in the feed channel 13, the runner 15, the runner 16 and at least the mold 1 A main material head 21, a secondary material head 22, a material dividing head 23, and at least one finished product 24 are respectively formed in a mold cavity 17, and the secondary material head 22 is formed with a perforation 221 through which the pulling pin 151 passes. After that, the male mold 12 of the mold 1 can be separated from the female mold 11. At this time, the inside of the secondary material head 22 is provided with a pull pin 151, and the axial direction of the pull pin 151 is perpendicular to that of the mold 1. The axial direction of the feeding channel 13, so when the male mold 12 is displaced outwards, the pulling pin 151 will increase the pulling force of the secondary material head 22, so that the main material head 21 of the formed object 2 can be reliably fed from Separation from the channel 13 to prevent the main material head 21 from breaking or sticking to the inside of the feeding channel 13, thereby preventing the mold 1 from clamping or shutting down and stopping the process, so that the demolding operation can be performed smoothly , And then achieve the effect of improving the fluency of manufacturing.

After the male mold 12 of the mold 1 is separated from the female mold 11, and the molded product 2 is completely separated from the female mold 11, the molded product 2 can be taken out of the male mold 12. At this time, the secondary material head 22 The pull pin 151 in the perforation 221 will come out to complete the use of the present invention.

Furthermore, the bottom surface of the female mold 11 of the above-mentioned mold 1 is provided with a plurality of rods 111 inclined outward, and the male mold 12 is provided with two sliding blocks 121 capable of lateral relative displacement, and on the surface of the two sliding blocks 121 The recess is provided with a plurality of slots 122 inclined outwards. When the male mold 12 is combined with the female mold 11, the plurality of rods 111 will be inserted into the plurality of slots 122, and the plurality of rods 111 will support the plurality of rods. The inner wall surface of the slot 122 drives the two sliding blocks 121 to move inwardly, thereby combining the two sliding blocks 121. At the same time, the runner 15 and at least one mold cavity 17 are formed inside the two sliding blocks 121, and when the mold 1 After the molded object 2 is formed inside, The male mold 12 can be separated from the female mold 11. At this time, the plurality of rods 111 will be separated in the plurality of slots 122, so that the two sliding blocks 121 are relatively displaced outward, and the material pulling pin 151 is automatically outwardly moved. It is separated from the perforation 221 of the secondary material head 22, thereby facilitating the removal of the molded product 2 from the male mold 12, so as to improve the convenience and smoothness of the manufacturing operation.

Moreover, how to drive the female mold 11 and the male mold 12 of the mold 1 to be combined with each other, and how to pour the raw material into the runner 14 of the mold 1 is the scope of conventional technology, so I will not repeat it for understanding.

The above is only the preferred embodiment of the present invention, and it does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be included in the same reasoning Within the scope of the patent of the present invention, it is Chen Ming.

In summary, the structural improvement of the above-mentioned mold of the present invention can indeed achieve its effect and purpose when it is actually applied and implemented. Therefore, the present invention is a research and development with excellent practicability. It meets the requirements of an invention patent application. If you submit an application, I hope that the review committee will grant the approval of this case as soon as possible to protect the inventor's hard research and development and creation. If the review committee has any doubts, please send me instructions.

1‧‧‧Mould

11‧‧‧Female model

111‧‧‧Pole

12‧‧‧Male model

121‧‧‧Slider

122‧‧‧Slot

15‧‧‧Runner

151‧‧‧Pulling Tip

16‧‧‧Distributor

17‧‧‧Mould cavity

Claims (3)

A structure improvement of a mold, the mold includes a female mold and a male mold that are combined with each other, wherein the mold is located inside the female mold and has an inlet passage therethrough, and one side of the inlet passage is provided for preset raw material pouring The mold is located on one side of the male mold and is provided with a runner that is in the same axial direction as the feed channel and communicates with the other side of the feed channel. The material channel and the runner are connected to the runner, and the other side of the runner is connected with at least one mold cavity, and the predetermined raw material will be formed in the mold into a predetermined shape, and the predetermined shape is A preset main material head, a preset secondary material head, a preset sub-material head, and at least one preset finished product are respectively formed in the inlet channel, the runner, the branch runner, and the at least one mold cavity, characterized in that : The inside of the runner of the mold is provided with at least one pull pin for forming a corresponding through hole in the preset secondary material head, and the at least one pull pin is perpendicular to the feed channel. The structure improvement of the mold described in item 1 of the scope of patent application, wherein the axial direction of the feed passage of the mold is perpendicular to the axial direction of the runner of the mold. The structure improvement of the mold described in item 1 of the scope of patent application, wherein the bottom surface of the female mold of the mold is provided with a plurality of rods inclined outward, and the male mold is provided with two sliding blocks capable of lateral relative displacement , And recessed on the surfaces of the two sliders are a plurality of slots that are inclined outwards and are inserted into the plurality of rods so that the two sliders are relatively inwardly displaced.

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