CN216465964U - Plastic toy injection mold of high leakproofness - Google Patents

Abstract

The utility model discloses a high-sealing plastic toy injection mold, and relates to the technical field of injection molding processing. The device comprises a fixed template, a temperature adjusting system, a movable template, an air port plug and a pouring system, wherein a fixed base is fixedly connected below the fixed template, the temperature adjusting system is fixedly connected inside the fixed template, the movable template is fixedly connected above the fixed template, the air port plug is fixedly connected between the fixed template and the movable template, and the pouring system is fixedly connected above the movable template. According to the plastic toy injection mold, the fixed mold plate, the temperature adjusting system, the movable mold plate, the air port plug, the limiting plate, the plug body and the taking and pinching head are arranged, so that the problems that the existing plastic toy injection mold is low in tightness, and when molten materials are formed in a cavity, air flows back to enter the cavity due to the existence of the air port, and the quality of a product is influenced are solved; the plastic toy injection mold can not adjust the temperature in the cavity, thereby not effectively improving the working efficiency.

Description

Plastic toy injection mold of high leakproofness

Technical Field

The utility model belongs to the technical field of injection molding processing, and particularly relates to a plastic toy injection mold with high sealing performance.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold is divided into two types, namely a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to the forming characteristics, and is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like according to the forming process, wherein the hot pressing mold can be divided into three types, namely an overflow type, a semi-overflow type and a non-overflow type, the injection mold can be divided into two types, namely a cold runner mold and a hot runner mold, by a pouring system, and can be divided into two types, namely a movable type and a fixed type according to the assembling and disassembling mode, the injection mold is required to be used in the production process of the plastic toy, but the injection mold still has the following defects in the practical use:

1. the existing plastic toy injection mold has low tightness, and when molten materials are molded in a cavity, air can flow back into the cavity due to the existence of an exhaust port, so that the quality of a product is influenced;

2. the temperature in the cavity can not be adjusted by the existing plastic toy injection mold, so that the working efficiency can not be more effectively improved.

Therefore, the existing injection mold for plastic toys cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic toy injection mold with high sealing performance, which solves the problems that the existing plastic toy injection mold is low in sealing performance, and when molten materials are formed in a cavity, air flows back into the cavity due to the existence of an exhaust port to influence the quality of a product due to the fact that the existing plastic toy injection mold is not high in sealing performance because a fixed template, a first exhaust port, a temperature regulating system, a water inlet, a water outlet, a circulating water pipe, a movable template, a second exhaust port, an air port plug, a limiting plate, a plug body and a taking and pinching head are arranged; the plastic toy injection mold can not adjust the temperature in the cavity, thereby not effectively improving the working efficiency.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a high-sealing plastic toy injection mold which comprises a fixed template, a temperature regulating system, a movable template, an air port plug and a pouring system, wherein a fixed base is fixedly connected below the fixed template and is a fixed supporting structure of the template, the temperature regulating system is fixedly connected inside the fixed template, the movable template is fixedly connected above the fixed template, the air port plug is fixedly connected between the fixed template and the movable template, the pouring system is fixedly connected above the movable template, and the pouring system is arranged at the uppermost part of the mold.

Further, the inside tempering tank that is provided with of fixed die plate, fixedly connected with temperature regulating system in the tempering tank, the fixed die plate four corners is provided with the guide sleeve groove, the guide post on the fixedly connected with movable mould board in the guide sleeve groove, cover half under the fixed die plate top fixedly connected with, lower cover half is installed on the fixed die plate, be provided with a plurality of first die cavities down on the cover half, the second die cavity on first die cavity and the movable mould board forms a complete die cavity after last movable mould and lower cover half are closed, be provided with first exhaust port between the first die cavity and on the lower cover half at first die cavity two, the second gas vent on first exhaust port and the movable mould board forms a complete gas vent after last movable mould and lower cover half are closed.

Further, temperature regulating system is including the fixed plate that adjusts the temperature, water inlet, delivery port and circulating pipe, it is provided with the water inlet to adjust temperature fixed plate the place ahead one side, and the fixed plate that adjusts the temperature is fixed on the fixed die plate in the draw-in groove in temperature adjusting tank the place ahead, the water inlet is ordinarily closed, it is provided with the delivery port to adjust temperature fixed plate the place ahead opposite side, and the delivery port is ordinarily closed, adjust temperature fixed plate rear fixedly connected with circulating pipe, water inlet and delivery port are connected at circulating pipe two, and circulating pipe is located the die cavity below.

Furthermore, the movable mould plate is fixedly connected with movable handles on two sides, the movable handles are fixed with anti-skidding heat-insulation rubber sleeves, guide posts are fixedly connected below four corners of the movable mould plate, the guide posts are fixedly connected with the guide sleeve grooves of the upper fixed mould plate, the movable mould plate is fixedly connected with an upper movable mould below, the upper movable mould is arranged on the movable mould plate, a plurality of second cavities are arranged on the upper movable mould, the second cavities and the first cavities on the fixed mould plate form a complete mould cavity after the upper movable mould and the lower fixed mould are closed, second exhaust ports are arranged between the second cavities and on the upper movable moulds at two ends of the second cavities, the second exhaust ports and the first exhaust ports on the fixed mould plate form a complete exhaust port after the upper movable mould and the lower fixed mould are closed, a pouring gate is arranged in the movable mould plate above the second cavities, and the pouring gate penetrates through the upper movable mould and the movable mould plate, each sprue is respectively connected with each runner on the gating system.

Further, the gas port stopper includes limiting plate, cock body and takes to hold between the fingers the head, limiting plate one side fixedly connected with cock body, cock body fixed connection are in the first exhaust port of fixed die plate and the synthetic complete exhaust port of the second exhaust port of movable die plate, limiting plate another side fixedly connected with takes to hold between the fingers the head.

Further, the gating system includes runner import, sprue and subchannel, the gating system top is provided with the runner import, and the mouth that penetrates of runner access connection injection machine, runner import below fixedly connected with sprue, the runner import is connected to sprue top one, and the subchannel is connected to the below bull, a plurality of subchannels of sprue below fixedly connected with, runner fixed connection on each subchannel and the movable mould board.

The utility model has the following beneficial effects:

1. the utility model solves the problems that the existing plastic toy injection mold has low sealing performance, and when the molten material is molded in the cavity, because the existence of the vent can cause some air to flow back into the cavity and affect the quality of the product, after the air originally existing in the cavity and the gas brought by the melt are required to be discharged out of the mold through the vent at the end of the material flow, the staff is through holding between the fingers get to take to hold between the fingers the first control gas port stopper of holding between the fingers and remove, makes its stopper air inlet and outlet, and the limiting plate one side fixedly connected with cock body of gas port stopper, another side fixedly connected with take to hold between the fingers the head, and the gas port stopper has guaranteed the high leakproofness of mould in the synthetic complete exhaust port of the first exhaust port of fixed die plate and the second exhaust port of movable mould board is packed into through the cock body in.

2. The utility model solves the problem that the prior plastic toy injection mold can not adjust the temperature in the cavity and can not effectively improve the working efficiency by arranging the temperature adjusting system, the water inlet, the water outlet and the circulating water pipe, the utility model adds hot water into the temperature adjusting system before adding the melt into the cavity to increase the temperature in the cavity and reduce the temperature difference with the melt, so that the melt can more completely enter the cavity when entering the cavity, the complete forming of the melt can not be influenced because part of the melt is rapidly formed due to the large temperature difference, after the cavity is completely filled with the melt, the hot water in the temperature adjusting system is discharged, cold water is added into the temperature adjusting system to rapidly form the melt in the cavity, the working efficiency is improved, when the temperature in the cavity is adjusted, the water inlet is opened, the hot water or the cold water for adjusting the temperature enters the circulating water pipe from the water inlet, the water outlet is opened after the temperature in the forming cavity is adjusted, hot water or cold water for temperature adjustment is discharged from the water outlet to a circulating water pipe, the circulating water pipe is positioned below the cavity, and hot water or cold water injected into the circulating water pipe adjusts the temperature in the cavity.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a fixed die plate according to the present invention;

FIG. 3 is a schematic diagram of a temperature regulating system according to the present invention;

FIG. 4 is a schematic view of the movable platen according to the present invention;

FIG. 5 is a schematic view of the structure of the vent plug of the present invention;

FIG. 6 is a schematic diagram of a gating system according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a fixed base; 200. fixing the template; 201. a temperature adjusting tank; 202. a guide sleeve groove; 203. a lower fixed die; 204. a first cavity; 205. a first exhaust port; 300. a temperature regulating system; 301. a temperature adjusting fixing plate; 302. a water inlet; 303. a water outlet; 304. a circulating water pipe; 400. moving the template; 401. moving the grip; 402. a guide post; 403. moving the mold upwards; 404. a second cavity; 405. a second exhaust port; 406. a gate; 500. a gas port plug; 501. a limiting plate; 502. a plug body; 503. taking a pinching head; 600. a pouring system; 601. a flow channel inlet; 602. a main flow channel; 603. and a branch channel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the present invention relates to a plastic toy injection mold with high sealing performance, which comprises a fixed mold plate 200, a temperature adjusting system 300, a movable mold plate 400, an air vent plug 500 and a casting system 600, wherein the fixed mold plate 200 is fixedly connected with a fixed base 100 below the fixed mold plate, the fixed base 100 is a fixed support structure of the mold plate and is used for supporting the mold plate to stably work, the temperature adjusting system 300 is fixedly connected inside the fixed mold plate 200, hot water is added into the temperature adjusting system 300 before a melt is added into a mold cavity to raise the temperature in the mold cavity and reduce the temperature difference between the hot water and the melt, so that the melt can completely enter the mold cavity when entering the mold cavity, the complete molding of the melt is not affected by the rapid molding of a part of the melt due to the large temperature difference, after the mold cavity is completely filled with the melt, the hot water in the temperature adjusting system 300 is discharged, cold water is added into the temperature adjusting system 300, so that the melt in the mold cavity can be rapidly molded, improve work efficiency, fixed die plate 200 top fixedly connected with movable die plate 400, fixedly connected with air port stopper 500 between fixed die plate 200 and the movable die plate 400, air and the gas brought into by the fuse-element in the die cavity originally must pass through the gas vent at the end of material flow and discharge the back to the mould outside, air port stopper 500 is filled in the air inlet and outlet, the high leakproofness of mould has been guaranteed, the goods quality that makes production is higher, movable die plate 400 top fixedly connected with gating system 600, gating system 600 is in the top of mould, the melt that adds gating system 600 flows to each die cavity respectively.

As shown in fig. 1 and 2, a temperature adjusting groove 201 is arranged inside a fixed template 200, a temperature adjusting system 300 is fixedly connected in the temperature adjusting groove 201, the fixed template 200 fixes the temperature adjusting system 300 inside the temperature adjusting groove 201, so that the temperature adjusting system 300 adjusts the temperature in a cavity, and is convenient for injection molding, guide sleeve grooves 202 are arranged at four corners of the fixed template 200, guide posts 402 on a movable template 400 are fixedly connected in the guide sleeve grooves 202, the fixed template 200 ensures that a lower fixed mold 203 and an upper movable mold 403 can be accurately centered through the guide sleeve grooves 202 and the guide posts 402 when the mold is closed, a lower fixed mold 203 is fixedly connected above the fixed template 200, the lower fixed mold 203 is installed on the fixed template 200, the upper movable mold and the lower fixed mold 203 are closed during injection molding, the upper movable mold 403 and the lower fixed mold 203 are separated during mold opening, so as to take out a plastic product, a plurality of first cavities 204 are arranged on the lower fixed mold 203, and a second cavity 404 on the first cavity 204 and the movable template 400 forms a complete cavity after the upper movable mold 403 and the lower fixed mold 203 are closed The method comprises the steps that a mold cavity is filled with molten material, the molten material is molded in the mold cavity, a first exhaust port 205 is formed between the first mold cavity 204 and on a lower fixed mold 203 at two ends of the first mold cavity 204, the first exhaust port 205 and a second exhaust port 405 on a movable mold plate 400 form a complete exhaust port after the upper movable mold 403 and the lower fixed mold 203 are closed, the complete exhaust port is used for exhausting original gas and gas brought by the molten material, when the molten material is injected into the mold cavity, the air originally existing in the mold cavity and the gas brought by the molten material are exhausted out of the mold through the exhaust port at the end of the material flow, otherwise, the product is provided with air holes and is not filled with the mold, and even the stored air is compressed to generate high temperature to burn the product.

As shown in fig. 1 and 3, the temperature adjusting system 300 includes a temperature adjusting fixing plate 301, a water inlet 302, a water outlet 303 and a circulating water pipe 304, the water inlet 302 is disposed on one side in front of the temperature adjusting fixing plate 301, the temperature adjusting fixing plate 301 is fixed in a slot in front of the temperature adjusting slot 201 on the fixing template 200, so that the temperature adjusting system 300 is stably fixed in the fixing template 200 to work, the water inlet 302 is normally closed, the temperature adjusting system is opened when the temperature in the cavity needs to be adjusted, hot water or cold water for adjusting temperature enters the circulating water pipe 304 from the water inlet 302, the water outlet 303 is normally closed, the temperature adjusting fixing plate 301 is opened after the temperature in the cavity is adjusted, the hot water or cold water for adjusting temperature is discharged from the water outlet 303 to the circulating water pipe 304, the circulating water pipe 304 is fixedly connected to the rear of the temperature adjusting fixing plate 301, two ends of the circulating water pipe 304 are connected with the water inlet 302 and the water outlet 303, and the circulating water pipe 304 is located below the cavity, the hot water or cold water injected into the cavity regulates the temperature in the cavity.

As shown in fig. 1 and 4, two sides of a movable mold plate 400 are fixedly connected with movable grips 401, the movable grips 401 are fixed with anti-skid heat-insulation rubber sleeves, an operator moves the movable mold plate 400 by moving the grips 401, guide posts 402 are fixedly connected below four corners of the movable mold plate 400, the guide posts 402 are fixedly connected with the guide sleeve grooves 202 of the upper fixed mold plate 200, the movable mold plate 400 ensures that an upper movable mold 403 and a lower fixed mold 203 can be accurately centered by the guide posts 402 and the guide sleeve grooves 202 when closing the mold, an upper movable mold 403 is fixedly connected below the movable mold plate 400, the upper movable mold 403 is installed on the movable mold plate 400, the upper movable mold 403 and the lower fixed mold 203 are closed during injection molding, the upper movable mold and the lower fixed mold 203 are separated during mold opening so as to take out a plastic product, a plurality of second mold cavities 404 are arranged on the upper movable mold 403, the second mold cavities 404 and a first mold cavity 204 on the fixed mold plate 200 form a complete mold cavity after the upper movable mold 403 and the lower fixed mold 203 are closed, the molten material is molded in the mold cavity, a second exhaust port 405 is arranged between the second mold cavity 404 and on the upper movable mold 403 at two ends of the second mold cavity 404, the second exhaust port 405 and the first exhaust port 205 on the fixed mold plate 200 form a complete exhaust port after the upper movable mold 403 and the lower fixed mold 203 are closed, so as to exhaust the original gas and the gas brought by the molten material, when the molten material is injected into the mold cavity, the air originally existing in the mold cavity and the gas brought by the molten material must be exhausted outside the mold through the exhaust port at the end of the flow, otherwise, the product is provided with air holes, the mold is not full, even the accumulated air is burned due to high temperature generated by compression, a sprue 406 is arranged in the movable mold plate 400 above the second mold cavity 404, the sprue 406 penetrates through the upper movable mold 403 and the movable mold plate 400, each sprue 406 is respectively connected with each runner 603 on the casting system 600, and the movable mold plate 400 is fixedly connected with the casting system 600 through the sprue 406, the gate 406 is a channel connecting the runner 603 and the cavity, and the channel has a cross-sectional area equal to that of the runner 603, and the melt enters the cavity through the gate 406.

Wherein as shown in fig. 1, 5, the air vent stopper 500 includes the limiting plate 501, the cock body 502 and the head 503 of pinching of taking, limiting plate 501 one side fixedly connected with cock body 502, cock body 502 fixed connection is in the synthetic complete exhaust port of first exhaust port 205 of fixed die plate 200 and the second exhaust port 405 of movable die plate 400, after the air in the exhaust port discharge die cavity, air vent stopper 500 fills in the exhaust port through cock body 502, the high leakproofness of mould has been guaranteed, make the product quality of production higher, limiting plate 501 another side fixedly connected with takes the head 503 of pinching, the staff takes the head 503 of pinching through pinching and controls air vent stopper 500 to remove, make its stopper fill in or extract the exhaust port.

As shown in fig. 1 and 6, the gating system 600 includes a runner inlet 601, a main runner 602 and runners 603, the runner inlet 601 is disposed at the top of the gating system 600, the runner inlet 601 is connected to a nozzle of an injection machine, a melt enters the gating system 600 from the runner inlet 601, the main runner 602 is fixedly connected to the bottom of the runner inlet 601, one head above the main runner 602 is connected to the runner inlet 601, multiple heads below the main runner 602 are connected to the runners 603, the melt entering the gating system 600 is distributed to the runners 603 through the main runner 602, a plurality of runners 603 are fixedly connected to the bottom of the main runner 602, the runners 603 are fixedly connected to gates 406 of the movable mold plate 400, and the gating system 600 is fixedly connected to the movable mold plate 400 through the runners 603, so that the melt enters the movable mold plate 400 through the runners 603.

One specific application of this embodiment is: the utility model relates to a high-tightness plastic toy injection mold, wherein a fixed base 100 is a fixed supporting structure of a mold plate and is used for supporting the mold plate to stably work, two sides of a movable mold plate 400 are fixedly connected with movable grips 401, anti-skidding heat-insulation rubber sleeves are fixed on the movable grips 401, a worker moves the movable mold plate 400 by moving the grips 401 and inserts guide posts 402 of the movable mold plate 400 into guide sleeve grooves 202 of the fixed mold plate 200, the movable mold plate 400 ensures that an upper movable mold 403 and a lower fixed mold 203 can be accurately centered when closing the mold through the guide posts 402 and the guide sleeve grooves 202, the upper movable mold 403 and the lower fixed mold 203 are closed after the fixation is finished, a first mold cavity 204 of the fixed mold plate 200 and a second mold cavity melt 404 on the movable mold plate 400 form a complete mold cavity after the upper movable mold 403 and the lower fixed mold 203 are closed, hot water is added into a temperature adjusting system 300 before the mold cavity is added to increase the temperature in the mold cavity, the temperature difference between the molten material and the molten material is reduced, when the molten material enters the cavity, the molten material can enter more completely, partial molten material can not be rapidly shaped due to larger temperature difference, the complete molding of the molten material is not influenced, the first exhaust port 205 and the second exhaust port 405 on the movable mold plate 400 form a complete exhaust port in a closed mode on the upper movable mold 403 and the lower fixed mold 203, the runner inlet 601 of the gating system 600 is connected with the nozzle of the injection machine, the molten material enters the gating system 600 from the runner inlet 601, one end above the main runner 602 is connected with the runner inlet 601, the multi-head below is connected with the runner 603, the molten material entering the gating system 600 is divided into the branch runners 603 through the main runner 602, the gating system 600 is fixedly connected with the movable mold plate 400 through the branch runners 603, the molten material enters the movable mold plate 400 through the branch runners 603, the sprue 406 penetrates through the upper movable mold 403 and the movable mold plate 400, and the sprue 406 is a channel for connecting the branch runners 603 with the cavity, the sectional area of the channel is equal to that of the runner 603, the melt enters the cavity through the sprue 406, when the melt is injected into the cavity, the air originally stored in the cavity and the gas brought by the melt must be discharged out of the mold through the exhaust port at the end of the material flow, otherwise, the product is not full of air holes and mold filling, even the stored air burns the product due to high temperature generated by compression, after the air is discharged, a worker takes the pinching head 503 to control the air port plug 500 to move so as to plug the air port plug into the exhaust port, the air port plug 500 plugs into the exhaust port through the plug body 502, high sealing performance of the mold is guaranteed, the quality of the produced product is higher, after the cavity is fully filled with the melt, hot water in the melt temperature regulating system 300 is discharged, cold water is added into the temperature regulating system 300, rapid molding in the cavity can be realized, and the working efficiency is improved.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims (6)

1. The utility model provides a plastic toy injection mold of high leakproofness, includes fixed die plate (200), tempering system (300), movable mould board (400), gas port stopper (500) and gating system (600), its characterized in that: fixed die plate (200) below and fixedly connected with unable adjustment base (100), the inside fixedly connected with temperature regulating system (300) of fixed die plate (200), fixed die plate (200) top fixedly connected with movable mould board (400), fixedly connected with gas port stopper (500) between fixed die plate (200) and movable mould board (400), movable mould board (400) top fixedly connected with gating system (600).

2. A plastic toy injection mold with high sealing performance according to claim 1, wherein a temperature adjusting groove (201) is arranged inside the fixed mold plate (200), guide sleeve grooves (202) are arranged at four corners of the fixed mold plate (200), a lower fixed mold (203) is fixedly connected above the fixed mold plate (200), a plurality of first cavities (204) are arranged on the lower fixed mold (203), and first exhaust ports (205) are arranged between the first cavities (204) and on the lower fixed mold (203) at two ends of the first cavities (204).

3. The plastic toy injection mold with high sealing performance as claimed in claim 1, wherein the temperature adjusting system (300) comprises a temperature adjusting fixing plate (301), a water inlet (302), a water outlet (303) and a circulating water pipe (304), the water inlet (302) is arranged on one side in front of the temperature adjusting fixing plate (301), the water outlet (303) is arranged on the other side in front of the temperature adjusting fixing plate (301), and the circulating water pipe (304) is fixedly connected to the rear of the temperature adjusting fixing plate (301).

4. The plastic toy injection mold with high sealing performance as claimed in claim 1, wherein two sides of the movable mold plate (400) are fixedly connected with movable grips (401), guide posts (402) are fixedly connected below four corners of the movable mold plate (400), an upper movable mold (403) is fixedly connected below the movable mold plate (400), a plurality of second cavities (404) are arranged on the upper movable mold (403), second exhaust ports (405) are arranged between the second cavities (404) and on the upper movable molds (403) at two ends of the second cavities (404), and gates (406) are arranged in the movable mold plate (400) above the second cavities (404).

5. The plastic toy injection mold with high sealing performance as claimed in claim 1, wherein the air vent plug (500) comprises a limiting plate (501), a plug body (502) and a taking and pinching head (503), one surface of the limiting plate (501) is fixedly connected with the plug body (502), and the other surface of the limiting plate (501) is fixedly connected with the taking and pinching head (503).

6. The injection mold for plastic toys with high sealing performance as claimed in claim 1, wherein said runner system (600) comprises a runner inlet (601), a main runner (602) and branch runners (603), said runner system (600) is provided with the runner inlet (601) at the top, the main runner (602) is fixedly connected below the runner inlet (601), and a plurality of branch runners (603) are fixedly connected below the main runner (602).

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