CN215283104U - Injection mold easy to demold - Google Patents

Abstract

The utility model provides an injection mold of easy drawing of patterns relates to injection mold technical field, including guide plate, core cover, mother board, public board, bottom plate and guide post, guide plate, mother board, public board and bottom plate overlap in proper order and establish on the guide post, are provided with the core cover between mother board and the public board. When the die is used, the core is sleeved on the core positioned on the male plate, and after the die is closed. Molten plastic enters into the guide plate from the injection molding machine, then molten plastic enters into the cavity of mother board from the guide plate, at this moment, cavity and core are closed, and air in the core flows from the space and the exhaust hole of die joint, and whole cavity is full of until molten plastic, and the bottom plate is through letting in the coolant liquid this moment for the finished piece temperature drops rapidly, thereby solidifies the design. The utility model relates to a rationally, sturdy structure for the solidification speed of finished piece to make the finished piece solidify the type and set the back and adhere to on the core and sheathe in, conveniently unload the finished piece, solved the fashioned problem of speed low of present bowl lid.

Description

Injection mold easy to demold

Technical Field

The embodiment of the utility model provides an embodiment relates to injection mold technical field, concretely relates to injection mold of easy drawing of patterns.

Background

At present, the bowl cover of the thin-wall fast food bowl is generally circular and made of PP (polypropylene) plastics, and the thin-wall bowl cover is thin, so that the requirement of injection molding time of the thin-wall bowl cover must meet the requirements of high speed and short time.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an injection mold of easy drawing of patterns to solve among the prior art because the finished piece is difficult to dump and the fashioned problem of low speed of bowl lid that leads to.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides an injection mold of easy drawing of patterns, including guide plate, core cover, mother board, public board, bottom plate and guide post, guide plate, mother board, public board and bottom plate cover are established on the guide post in proper order, be provided with the core cover between mother board and the public board.

Further, the guide plate comprises a first plate body, branch channels, a cooling material cavity and a hot runner, the first plate body is arranged at the top end of the mother plate, the cooling material cavity is arranged in the middle of the first plate body, the top end of the cooling material cavity is connected with the two branch channels, and the bottom end of the cooling material cavity is communicated with the two branch channels.

Further, the mother board comprises heating coil grooves, pouring gates, a second plate body and cavities, the two sub-runners are communicated with the two pouring gates, the two pouring gates are located at the upper ends of the second plate body, the two cavities are arranged at the lower end of the second plate body and communicated with the two pouring gates, and the two heating coil grooves are formed in the outer sides of the two pouring gates.

Further, the male plate comprises a guide groove, a mold core, positioning blocks and a plate body III, the mold core is sleeved on the mold core, the number of the mold cores is the same as that of the mold cavities, the mold core is located in the guide groove, the positioning blocks are further arranged in the guide groove, and the guide groove is located in the middle of the plate body III.

Further, the mold core is provided with an exhaust hole.

Further, the bottom plate includes plate four, cold water passageway, venthole and guiding hole, plate four is vertical to be provided with four guiding holes, four the guiding hole is downthehole the interpolation is equipped with the guide post, plate four inside is provided with cold water passageway, plate four upper ends are provided with a plurality of ventholes, and is a plurality of venthole and exhaust hole intercommunication.

The embodiment of the utility model provides a have following advantage:

the utility model discloses when using, through setting up heating coil to the heating of melting plastics, can avoid melting plastics to meet the condensation solid to lead to the problem that the flow speed slows down, simultaneously, set up cold water channel on plate body four and can accelerate the shaping speed of finished piece, from this, prior art is showing the production efficiency who has improved the finished piece compared, in addition, the utility model discloses utilize the cover to establish the core cover on the core for the finished piece is sheathe in at the core, can show to improve and tear off the speed of finished piece, from this, further improved the production efficiency of finished piece, solved among the prior art because the finished piece is difficult to tear off and the fashioned problem of speed low of bowl lid that leads to.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a three-dimensional cross-sectional view of an injection mold easy to demold according to the present invention;

FIG. 2 is a perspective view of a guide plate of the injection mold easy to demold according to the present invention;

FIG. 3 is a perspective view of a bottom plate of the injection mold easy to demold according to the present invention;

FIG. 4 is a perspective view of a male plate of an injection mold easy to demold according to the present invention;

fig. 5 is a perspective view of a mother plate of the injection mold easy to demold according to the present invention;

in the figure: 1, a guide plate; 11, a first plate body; 12 branch runners; 13, a cold material hole; 14 hot runner; 2, core sleeve; 3, a mother board; 31 heating the coil slot; 32 gates; 33, a second plate body; 34 a cavity; 4 mm of board; 41 a guide groove; 42 a mold core; 43 positioning blocks; 44, a third plate body; 5, a bottom plate; 51, a fourth plate body; 52 a cold water passage; 53 air outlet holes; 54 a pilot hole; 6 guide the column.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the embodiment of the utility model discloses an injection mold of easy drawing of patterns, a serial communication port, including guide plate 1, core cover 2, mother board 3, public board 4, bottom plate 5 and guide post 6, guide plate 1, mother board 3, public board 4 and bottom plate 5 overlap in proper order and establish on guide post 6, be provided with core cover 2 between mother board 3 and the public board 4. The formed part will be attached to the core sleeve 2, facilitating the removal of the part. In addition, in the design of the mold, in order to ensure that the movable mold and the fixed mold can be accurately centered when the mold is closed, a guide part is required to be formed by the four groups of guide posts 6 and the guide sleeves in the injection mold, so that the problem that the push plate is inclined in the process of withdrawing a product is avoided.

According to the utility model provides a specific embodiment, guide plate 1 includes plate body 11, subchannel 12, cold burden cave 13 and hot runner 14, the top of mother board 3 is provided with plate body 11, the middle part of plate body 11 is provided with cold burden cave 13, the top of cold burden cave 13 links to each other with two hot runner 14, the bottom and two subchannels 12 of cold burden cave 13 communicate.

According to the utility model provides a specific embodiment, motherboard 3 includes heating coil groove 31, runner 32, two plate body 33 and die cavity 34, two subchannel 12 communicates with two runner 32, two runner 32 is located two 33 upper ends of plate body. The lower end of the second plate body 33 is provided with two cavities 34, the two cavities 34 are communicated with two gates 32, and two heating coil grooves 31 are arranged on the outer sides of the two gates 32. In order to meet the requirement of the injection process on the temperature of the mold, the mold for the thermoplastic plastic is provided with the heating coil groove 31 to install the heating coil, so that the fluidity of the molten plastic can be maintained in real time, the cavity can be quickly filled, and the injection time can be shortened.

According to the utility model provides a specific embodiment, public board 4 includes guide way 41, core 42, locating piece 43 and three 44 of plate body, the core cover 2 cover is established on core 42 to form airtight space with die cavity 34, from this when the finished piece solidifies the shaping back, can take off together with core cover 2, reinstallate the core cover 2 and mould plastics, can show the efficiency that improves the production finished piece from this. The number of the cores 42 is the same as that of the cavities 34, the cores 42 are located in the guide grooves 41, a plurality of positioning blocks 43 are further arranged in the guide grooves 41, and the guide grooves 41 are located in the middle of the third plate body 44, so that the cavities 34 are convenient to abut against the cores 42.

According to one embodiment of the present invention, the core 42 is provided with vent holes. The exhaust hole can be in the piece forming process with the intracavity be located the abundant exhaust of the gas of finished piece inboard to avoid the problem that the finished piece appears warping.

According to the utility model provides a specific embodiment, bottom plate 5 includes plate body four 51, cold water passageway 52, venthole 53 and guiding hole 54, plate body four 51 is vertical to be provided with four guiding holes 54, four the guiding hole 54 interpolation is equipped with guide post 6, plate body four 51 is inside to be provided with cold water passageway 52, and the coolant liquid is constantly circulated from cold water passageway 52 and is flowed through, takes away the heat of mould to reduce the temperature of plate body four 51 and plate body three 44, so that realize the cooling design of finished piece fast, thereby shorten the realization of the finished piece of moulding plastics, improve production efficiency. The upper end of the plate body four 51 is provided with a plurality of air outlet holes 53, and the air outlet holes 53 are communicated with the exhaust holes, so that air in the cavity can be exhausted, and the workpiece is prevented from deforming.

The utility model relates to a rationally, sturdy structure is showing and has shortened the time of moulding plastics, has solved among the prior art because the finished piece is difficult to dump and the fashioned problem of low speed of bowl lid that leads to.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (5)

1. An injection mold easy to demold is characterized by comprising a guide plate (1), a core sleeve (2), a mother plate (3), a male plate (4), a bottom plate (5) and guide columns (6), wherein the guide plate (1), the mother plate (3), the male plate (4) and the bottom plate (5) are sequentially sleeved on the guide columns (6), and the core sleeve (2) is arranged between the mother plate (3) and the male plate (4);

bottom plate (5) are including plate body four (51), cold water passageway (52), venthole (53) and guiding hole (54), plate body four (51) are vertical to be provided with four guiding hole (54), four guiding hole (54) interpolation is equipped with guide post (6), plate body four (51) inside is provided with cold water passageway (52), plate body four (51) upper end is provided with a plurality of ventholes (53), and is a plurality of venthole (53) and exhaust hole intercommunication.

2. An injection mold easy to demold according to claim 1, wherein the guide plate (1) comprises a first plate body (11), a plurality of runners (12), a cold material cavity (13) and hot runners (14), the first plate body (11) is arranged at the top end of the mother plate (3), the cold material cavity (13) is arranged in the middle of the first plate body (11), the top end of the cold material cavity (13) is connected with the two hot runners (14), and the bottom end of the cold material cavity (13) is communicated with the two runners (12).

3. An injection mold easy to demold according to claim 2, wherein the mother plate (3) comprises a heating coil groove (31), a gate (32), a second plate body (33) and a cavity (34), two of the runners (12) are communicated with the two gates (32), the two gates (32) are positioned at the upper end of the second plate body (33), the lower end of the second plate body (33) is provided with the two cavities (34), the two cavities (34) are communicated with the two gates (32), and the two heating coil grooves (31) are arranged outside the two gates (32).

4. An injection mold easy to demold according to claim 3, wherein the male plate (4) comprises a guide groove (41), a core (42), a positioning block (43) and a third plate body (44), the core sleeve (2) is sleeved on the core (42), the number of the cores (42) is the same as that of the cavities (34), the core (42) is located in the guide groove (41), the guide groove (41) is further provided with a plurality of positioning blocks (43), and the guide groove (41) is located in the middle of the third plate body (44).

5. An injection mould facilitating demoulding according to claim 4, wherein the core (42) is provided with vent holes.

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