CN213055779U

CN213055779U - Mold structure capable of shortening injection molding period

Info

Publication number: CN213055779U
Application number: CN202021591552.1U
Authority: CN
Inventors: 王立锋
Original assignee: Tutai Precision Mould Suzhou Co ltd
Current assignee: Tutai Precision Mould Suzhou Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-27
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a mould structure for shortening injection molding period, which belongs to the technical field of injection molding and comprises a panel and a bottom plate, wherein a hot runner plate, an A plate and a B plate are sequentially arranged between the panel and the bottom plate from top to bottom; the exhaust channel is characterized in that exhaust holes are formed in the two ends of the exhaust channel and located on the side wall of the bottom plate, air inlet holes are formed in the upper surface of the bottom plate, exhaust pieces penetrate through the male die core in the vertical direction, a third insert is arranged between the exhaust pieces and the male die core, a gap is formed between the third insert and the exhaust pieces and communicated with the air inlet holes, a plurality of male die water channel grooves are distributed in the side wall of the male die core, and a plurality of female die water channel grooves are distributed in the side wall. The utility model discloses have and optimize the exhaust and the water route of mould, effectively shorten injection time and cooling time to satisfy the effect to the requirement of the cycle of moulding plastics.

Description

Mold structure capable of shortening injection molding period

Technical Field

The utility model relates to an injection moulding technical field, in particular to shorten mould structure of moulding plastics periodic line.

Background

The injection molding process refers to a process of pressing, injecting, cooling, separating and the like the molten raw materials to form a semi-finished product with a certain shape. The injection molding process of the plastic part mainly comprises six stages of mold closing, filling, pressure maintaining, cooling and demolding. Factors that typically affect the injection molding cycle include injection time, dwell time, cooling time, mold opening and closing time, ejection time, and removal time, among others. In the case where the external conditions are optimal, in order to meet the requirements for the injection molding cycle, it is necessary to improve the exhaust and water paths of the mold so as to shorten the injection time and the cooling time.

The following problems exist in the prior art: under conventional mould structure, the exhaust and waterway structure of mould are difficult to further optimize injection time and cooling time, can't satisfy the requirement to the cycle of moulding plastics, and this problem is awaited for a long time to solve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a shorten mould structure of moulding plastics cycle has and optimizes the exhaust and the water route of mould, effectively shortens injection time and cooling time to satisfy the effect to the requirement of the cycle of moulding plastics.

A mould structure for shortening an injection molding period comprises a panel and a bottom plate, wherein a hot runner plate, an A plate and a B plate are sequentially arranged between the panel and the bottom plate from top to bottom, the hot runner plate is connected with the panel, a cavity insert is embedded in the A plate, a core insert is embedded in the B plate, and an exhaust passage is arranged in the bottom plate along a horizontal direction;

the novel exhaust cavity is characterized in that exhaust holes are formed in the two ends of the exhaust channel and located on the side wall of the bottom plate, air inlet holes are formed in the upper surface of the bottom plate, exhaust pieces penetrate through the male die core in the vertical direction, a third insert is arranged between the exhaust pieces and the male die core, a gap is formed between the third insert and the exhaust pieces and communicated with the air inlet holes, a plurality of male die water channel grooves are distributed in the side wall of the male die core, and a plurality of female die water channel grooves are distributed in the side wall of the female die core.

The utility model discloses further set up to: the utility model discloses a mould core, including core insert, base plate, core insert and No. three backing plates, the core insert is equipped with No. one mold insert and No. two mold inserts, No. one the mold insert is worn to locate between No. one backing plate and the B board, No. one the mold insert lower surface and No. two mold inserts upper surfaces laminating, a plurality of mold insert water route grooves have been seted up with a backing plate contact department to No. one the mold insert from top to bottom between B board and the bottom plate in proper order.

The utility model discloses further set up to: the hot runner plate is internally provided with a hot runner channel, the bottom end of the hot runner channel is inserted in the mother die, the top end of the hot runner channel is positioned in the panel, an air guide channel is arranged in the panel along the horizontal direction, one end of the air guide channel is provided with an air port on the side wall of the panel, and the air guide channel is communicated with the hot runner channel.

The utility model discloses further set up to: the wall thickness of the second insert and the wall thickness of the third insert are both 0.5cm, the wall thickness of the first insert is 0.85cm, the wall thickness of the male mold core is 1.2cm, and the wall thickness of the female mold core is 1.6 cm.

The utility model discloses further set up to: the female mold core and the male mold core are arranged into two groups.

When the mold is used for machining, products are placed on two male molds and the first mold insert, the second mold insert and the third mold insert and are machined, the female mold water channel is formed in the female mold insert, the male mold water channel and the mold insert water channel formed in the third mold insert are formed in the male mold insert, a good cooling effect is achieved for a hot flow channel, and meanwhile, the distance between the hot flow channel and each water channel is reduced due to the fact that the sizes of the first mold insert, the second mold insert, the third mold insert, the male mold insert and the female mold insert are reduced, and the cooling effect is further improved. And the gas flows out through the exhaust channel and the gas guide channel, so that the exhaust time is effectively shortened, and the processing efficiency is improved.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the exhaust channel, the exhaust part, the male mold water channel groove and the female mold water channel groove, the exhaust speed and the cooling effect are effectively improved, and the production efficiency is improved;

2. the distance between the hot flow channel and the water path is reduced through the size arrangement of the first insert, the second insert, the third insert, the male mold core and the female mold core, and the cooling effect is further improved;

3. the female die core and the male die core are arranged into two groups, so that two workpieces can be processed, and a good processing effect is achieved.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure, 1, panel; 11. a hot runner plate; 12. a cavity insert; 121. a female mold waterway groove; 13. a, a plate; 14. a heat flow channel; 15. an air guide channel; 151. a gas port; 2. a base plate; 21. a core insert; 211. a male mold water channel; 22. an exhaust passage; 23. an exhaust hole; 24. an air inlet; 25. an exhaust member; 251. a third insert; 26. b, plate; 27. square iron; 3. a first backing plate; 31. an insert I; 311. an insert waterway groove; 4. a second base plate; 5. a third base plate; 6. and a second mold insert.

Detailed Description

The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 1 and fig. 2, for the utility model provides a shorten mould structure of moulding plastics periodic period who designs in, including panel 1 and bottom plate 2, hot runner plate 11 has set gradually from top to bottom between panel 1 and the bottom plate 2, a board 13 and B board 26, hot runner plate 11 links to each other with panel 1 and the embedded cavity mould benevolence 12 that is equipped with of A board 13, the embedded public mould benevolence 21 that is equipped with of B board 26, be provided with hot runner channel 14 in the hot runner plate 11, hot runner channel 14 bottom is pegged graft in the cavity mould, hot runner channel 14 top is located panel 1, air guide channel 15 has been seted up along the horizontal direction in panel 1, air guide channel 15 one end has seted up gas port 151 in panel 1 lateral wall, air guide channel 15 communicates with hot runner channel 14.

As shown in fig. 1 and 2, an exhaust channel 22 is formed in the bottom plate 2 along the horizontal direction, exhaust holes 23 are formed in two ends of the exhaust channel 22, which are located on the side wall of the bottom plate 2, partially, an air inlet hole 24 is formed in the upper surface of the bottom plate 2, an exhaust part 25 penetrates through the male mold core 21 along the vertical direction, a third mold insert 251 is arranged between the exhaust part 25 and the male mold core 21, a gap is formed between the third mold insert 251 and the exhaust part 25 and is communicated with the air inlet hole 24, a plurality of male mold water path grooves 211 are distributed on the side wall of the male mold core 21, and a plurality of female mold water path grooves.

As shown in fig. 1 and 2, a first cushion plate 3, a second cushion plate 4, square iron 27 and a third cushion plate 5 are sequentially arranged between a B plate 26 and a bottom plate 2 from top to bottom, a first insert 31 and a second insert 6 are sequentially sleeved between a male mold core 21 and the third insert 251 from outside to inside, the first insert 31 is arranged between the first cushion plate 3 and the B plate 26 in a penetrating manner, the lower surface of the first insert 31 is attached to the upper surface of the second insert 6, and a plurality of insert water channel grooves 311 are formed at the contact position of the first insert 31 and the first cushion plate 3; the wall thickness of the second insert 6 and the third insert 251 is 0.5cm, the wall thickness of the first insert 31 is 0.85cm, the wall thickness of the male die core 21 is 1.2cm, and the wall thickness of the female die core 12 is 1.6 cm. The cavity 12 and the core 21 are provided in two sets.

The implementation principle of the above embodiment is as follows: when the mold is used for machining, products are placed on the two male molds and the first insert 31, the second insert 6 and the third insert 251 and machined, the female mold cavity 12 is provided with the female mold waterway groove 121, the male mold waterway groove 211 and the insert waterway groove 311 arranged on the third insert 251 are arranged on the male mold cavity 21, the heat flow passage 14 has a good cooling effect, and meanwhile, the sizes of the first insert 31, the second insert 6, the third insert 251, the male mold cavity 21 and the female mold cavity 12 are all reduced, so that the distance between the heat flow passage 14 and each waterway is reduced, and the cooling effect is further improved. The gas flows out through the exhaust channel 22 and the gas guide channel 15, so that the exhaust time is effectively shortened, and the processing efficiency is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a shorten mould structure of cycle of moulding plastics which characterized in that: the heat flow channel plate comprises a panel (1) and a bottom plate (2), wherein a heat flow channel plate (11), an A plate (13) and a B plate (26) are sequentially arranged between the panel (1) and the bottom plate (2) from top to bottom, the heat flow channel plate (11) is connected with the panel (1), a cavity insert (12) is embedded in the A plate (13), a core insert (21) is embedded in the B plate (26), and an exhaust channel (22) is arranged on the bottom plate (2) along the horizontal direction;

the exhaust structure is characterized in that exhaust holes (23) are formed in the two ends of the exhaust channel (22) and located on the side wall of the bottom plate (2) locally, air inlets (24) are formed in the upper surface of the bottom plate (2), exhaust pieces (25) penetrate through the male die core (21) in the vertical direction, a third insert (251) is arranged between the exhaust pieces (25) and the male die core (21), a gap is formed between the third insert (251) and the exhaust pieces (25) and is communicated with the air inlets (24), a plurality of male die water channel grooves (211) are distributed in the side wall of the male die core (21), and a plurality of female die water channel grooves (121) are distributed in the side wall of the female die core (12).

2. The mold structure for shortening the injection cycle according to claim 1, wherein: set gradually backing plate (3), No. two backing plates (4), square iron (27) and No. three backing plates (5) from top to bottom between B board (26) and bottom plate (2), the cover is equipped with an insert (31) and No. two inserts (6) from outer to interior in proper order between public mould benevolence (21) and No. three inserts (251), No. one insert (31) are worn to locate between backing plate (3) and B board (26), the laminating of an insert (31) lower surface and No. two inserts (6) upper surface, a plurality of inserts water route grooves (311) have been seted up with backing plate (3) contact department to an insert (31).

3. The mold structure for shortening the injection cycle according to claim 2, wherein: the hot runner plate (11) is internally provided with a hot runner channel (14), the bottom end of the hot runner channel (14) is inserted into the mother die, the top end of the hot runner channel (14) is positioned in the panel (1), an air guide channel (15) is arranged in the panel (1) along the horizontal direction, one end of the air guide channel (15) is provided with an air port (151) in the side wall of the panel (1), and the air guide channel (15) is communicated with the hot runner channel (14).

4. The mold structure for shortening the injection cycle according to claim 3, wherein: the wall thickness of the second insert (6) and the wall thickness of the third insert (251) are both 0.5cm, the wall thickness of the first insert (31) is 0.85cm, the wall thickness of the male die core (21) is 1.2cm, and the wall thickness of the female die core (12) is 1.6 cm.

5. The mold structure for shortening the injection cycle according to claim 1, wherein: the female die core (12) and the male die core (21) are arranged into two groups.