CN216860468U

CN216860468U - Prevent early injection mold runner structure who congeals refluence

Info

Publication number: CN216860468U
Application number: CN202123286841.8U
Authority: CN
Inventors: 何超园; 区善强
Original assignee: Dongguan Taoyu Plastic Products Co ltd
Current assignee: Dongguan Taoyu Plastic Products Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-01
Anticipated expiration: 2031-12-24

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold gate structure for preventing early solidification backflow, which comprises an injection bottom plate, wherein the injection bottom plate is provided with a limiting guard plate, a cover plate, an injection port, a heating wire II, a controller, a power supply and a backflow prevention mechanism, and the backflow prevention mechanism comprises a rotary stop cover, a sealing block, a sealing ring, a push rod, a spring, a sleeve, a protective sliding column and a fixing frame; can heat apron and the mouth of moulding plastics through being provided with heater strip one and heater strip two, appear early congealing when preventing to mould plastics, it has two to keep off to prevent the last rotation of backflow mechanism to cover, when the mouth of moulding plastics is added to the raw materials, can keep off the lid to rotate under the effect of gravity and push down, the sealed piece of controller control moves down, the sealed piece removes and drives the push rod and slide on the sleeve, inside the raw materials can enter into injection mold, after joining the completion, closely cooperate the mouth of will moulding plastics with the sealing ring at the sealed piece of effect of spring and seal ring and seal, can prevent the refluence of raw materials.

Description

Prevent early injection mold runner structure who congeals refluence

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold gate structure for preventing early condensation backflow.

Background

In the production of board games or hand games, it is necessary to use a mould which gives the plastic product a tool of complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. The method specifically comprises the steps of injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product, wherein the mold mainly comprises a pouring system, a temperature regulating system, a formed part and a structural part.

Injection mold on the market is when supplementary plastic part product realization shaping, it is equipped with certain heating structure to consider the unloading end at the melt, prevent effectively that the melt from receiving the influence of temperature factor, the phenomenon of early congealing appears, simultaneously accomplish unloading operation back at quantitative melt, need consider to be equipped with certain drawing pull-out structure to whole heating structure, avoid closing on because of heating structure, make the fashioned time of whole product cooling take place the extension, and need place the refluence of the raw materials of moulding plastics, for this, we have provided an injection mold runner structure that prevents early congealing the refluence, a be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention provides a gate structure of an injection mold for preventing a backflow of early solidification.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the design is an injection mold gate structure for preventing premature coagulation backflow, which comprises an injection bottom plate, wherein a limit guard plate is fixedly arranged at the edge of the top of the injection bottom plate, a cover plate is arranged at the top of the injection bottom plate, an injection port is fixedly arranged in the center of the top of the cover plate, a heating wire II is fixedly arranged inside the injection port, a controller is arranged at one side of the injection port, a power supply is arranged at one side of the controller, a backflow prevention mechanism is arranged on the inner wall of the injection port, a rotary blocking cover is arranged on the backflow prevention mechanism, a sealing block is arranged at the bottom of the rotary blocking cover, a sealing ring is sleeved on the sealing block and is fixedly connected with the injection port, a push rod is fixedly arranged at the bottom of the sealing block, a spring is sleeved on the push rod, a sleeve is fixedly arranged at the bottom of the spring, a protective sliding column is arranged at one side of the push rod, and a fixing frame is fixedly arranged at the bottom of the sleeve, the fixing frame is fixedly connected with the cover plate.

Preferably, the injection molding bottom plate is provided with a plurality of positioning holes.

Preferably, the bottom of the cover plate is fixedly provided with a plurality of positioning columns.

Preferably, it is equipped with the rotation post to rotate on keeping off the lid, it is equipped with the torsional spring to rotate to cup joint on the post, it keeps off lid and the mouth fixed connection that moulds plastics to rotate, it has two to rotate to keep off the lid, it keeps off the lid to rotate through torsional spring and rotation and keeps off the lid rotation connection.

Preferably, a supporting column is slidably arranged on the protection sliding column.

Preferably, the injection molding opening is of a trapezoidal structure.

Compared with the prior art, the utility model has the beneficial effects that:

this device can heat apron and the mouth of moulding plastics through being provided with heater strip one and heater strip two, the early coagulation appears when preventing moulding plastics, be provided with anti-backflow mechanism, it has two to keep off the lid to prevent the rotation on the backflow mechanism, it keeps off the lid to rotate through torsional spring and rotation and keeps off the lid rotation to be connected to rotate, when the mouth of moulding plastics is added to the raw materials, can keep off the lid pushing down with rotating under the effect of gravity, controller control seal block moves down, the seal block removes and drives the push rod and slide on the sleeve, inside the raw materials can enter into injection mold, after joining the completion, the closed condition can be got back to the seal block under the effect of spring, seal block and sealing ring closely cooperate and seal up the mouth of moulding plastics, can prevent the refluence of raw materials, can protect anti-backflow mechanism through being provided with protection traveller cooperation support column, guarantee its normal operating.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic axial view of a gate structure of an injection mold for preventing backflow due to premature condensation according to the present invention;

FIG. 2 is a schematic cross-sectional front view of a gate structure of an injection mold for preventing backflow due to premature condensation according to the present invention;

FIG. 3 is a schematic cross-sectional view of a backflow prevention mechanism of a gate structure of an injection mold for preventing backflow due to premature condensation according to the present invention;

FIG. 4 is a schematic left sectional view of a gate structure of an injection mold for preventing reverse flow of early solidification according to the present invention;

FIG. 5 is a partial cross-sectional view of a gate structure of an injection mold for preventing reverse flow of early solidification according to the present invention.

In the figure: 100 injection molding bottom plates, 110 positioning holes, 120 limit guard plates, 200 cover plates, 210 positioning columns, 220 heating wire I, 300 injection molding ports, 310 heating wire II, 320 controllers, 330 power supplies, 400 backflow prevention mechanisms, 410 rotating blocking covers, 411 rotating columns, 412 torsion springs, 420 sealing blocks, 421 sealing rings, 422 push rods, 423 springs, 424 sleeves, 430 protection sliding columns, 431 supporting columns and 440 fixing frames.

Detailed Description

In the embodiments of the present invention, the terms "first", "second", and the like are used for distinguishing different elements by name, but do not denote a spatial arrangement, a temporal order, or the like of the elements, and the elements should not be limited by the terms. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising," "including," "having," and the like, refer to the presence of stated features, elements, components, and do not preclude the presence or addition of one or more other features, elements, components, and elements.

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an injection mold runner structure of preventing flowing backwards early congeals, includes injection molding bottom plate 100, the fixed limit guard plate 120 that is equipped with in edge at injection molding bottom plate 100 top, injection molding bottom plate 100's top is equipped with apron 200, the fixed mouth 300 that moulds plastics that is equipped with in top center of apron 200, the fixed heater strip two 310 that is equipped with in inside of mouth 300 of moulding plastics, one side of mouth 300 of moulding plastics is equipped with controller 320, one side of controller 320 is equipped with power 330, the inner wall of mouth 300 of moulding plastics is equipped with prevents flowing backwards mechanism 400, be equipped with on preventing flowing mechanism 400 and rotate and keep off lid 410, the bottom that rotates and keep off lid 410 is equipped with sealing block 420, cup joint on the sealing block 420 and be equipped with sealing ring 421, sealing ring 421 and the fixed connection of mouth 300 of moulding plastics, the fixed push rod 422 that is equipped with in bottom of sealing block 420, cup joint on the push rod 422 and be equipped with spring 423, the fixed sleeve 424 that is equipped with in bottom of spring 423, a protective sliding column 430 is arranged on one side of the push rod 422, a fixing frame 440 is fixedly arranged at the bottom of the sleeve 424, and the fixing frame 440 is fixedly connected with the cover plate 200; can heat apron 200 and mouth 300 of moulding plastics through being provided with heater strip one 220 and heater strip two 310, early congealing appears when preventing to mould plastics, be provided with anti-backflow mechanism 400, it has two to prevent the rotation fender lid 410 on the anti-backflow mechanism 400, it is connected with rotation fender lid 410 rotation through torsional spring 412 to rotate fender lid 410, when the mouth 300 of moulding plastics is added to the raw materials, can push down with rotating fender lid 410 under the effect of gravity, the sealed piece 420 of controller 320 control moves down, sealed piece 420 removes and drives push rod 422 and slide on sleeve 424, the raw materials can enter into injection mold inside, after joining the completion, sealed piece 420 can get back to the closed condition under spring 423's effect, sealed piece 420 closely cooperates with sealing ring 421 and seals mouth 300 of moulding plastics, can prevent the refluence of raw materials.

Specifically, the injection molding base plate 100 is provided with a plurality of positioning holes 110; injection molding is performed by providing the positioning hole 110 for cooperation with the cap plate 200.

Specifically, a plurality of positioning columns 210 are fixedly arranged at the bottom of the cover plate 200; the positioning columns 210 are arranged to match with the positioning holes 110 to accurately position the cover plate 200 with the injection molding base plate 100.

Specifically, the rotating blocking cover 410 is rotatably provided with a rotating column 411, the rotating column 411 is sleeved with a torsion spring 412, the rotating blocking cover 410 is fixedly connected with the injection molding opening 300, the number of the rotating blocking covers 410 is two, and the rotating blocking cover 410 is rotatably connected with the rotating blocking cover 410 through the torsion spring 412; a first sealing of the injection opening 300 can be achieved by providing a rotary flap 410.

Specifically, a supporting column 431 is slidably arranged on the protection sliding column 430; the backflow prevention mechanism 400 can be protected by the arrangement of the protection sliding column 430 matched with the support column 431, and the normal operation of the backflow prevention mechanism is guaranteed.

Specifically, the injection molding opening 300 has a trapezoidal structure; it is advantageous to inject the raw material into the inside of the injection molding base plate 100.

The working principle and the using process of the utility model are as follows: the raw materials are injected into the injection molding port 300 through the injection molding port 300, the first heating wire 220 and the second heating wire 310 can heat the cover plate 200 and the injection molding port 300, early coagulation is prevented during injection molding, two rotating blocking covers 410 on the backflow prevention mechanism 400 are provided, the rotating blocking covers 410 are rotatably connected with the rotating blocking covers 410 through torsion springs 412, when the raw materials are added into the injection molding port 300, the rotating blocking covers 410 can be pressed downwards under the action of gravity, the controller 320 controls the sealing block 420 to move downwards, the sealing block 420 moves to drive the push rod 422 to slide on the sleeve 424, the raw materials can enter the injection mold, after the addition is completed, the sealing block 420 returns to a closed state under the action of the spring 423, the sealing block 420 is tightly matched with the sealing ring 421 to seal the injection molding port 300, backflow of the raw materials can be prevented, the protective sliding column 430 is matched with the supporting column 431 to protect the backflow prevention mechanism 400, and normal operation of the injection molding port is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, improvement and the like made within the principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent injection mold runner structure of refluence of congealing early which characterized in that: the injection molding device comprises an injection molding bottom plate (100), wherein a limiting protection plate (120) is fixedly arranged at the edge of the top of the injection molding bottom plate (100), a cover plate (200) is arranged at the top of the injection molding bottom plate (100), an injection molding port (300) is fixedly arranged at the center of the top of the cover plate (200), a heating wire II (310) is fixedly arranged inside the injection molding port (300), a controller (320) is arranged on one side of the injection molding port (300), a power supply (330) is arranged on one side of the controller (320), a backflow preventing mechanism (400) is arranged on the inner wall of the injection molding port (300), a rotating blocking cover (410) is arranged on the backflow preventing mechanism (400), a sealing block (420) is arranged at the bottom of the rotating blocking cover (410), a sealing ring (421) is sleeved on the sealing block (420), the sealing ring (421) is fixedly connected with the injection molding port (300), a push rod (422) is fixedly arranged at the bottom of the sealing block (420), the improved structure is characterized in that a spring (423) is sleeved on the push rod (422), a sleeve (424) is fixedly arranged at the bottom of the spring (423), a protective sliding column (430) is arranged on one side of the push rod (422), a fixing frame (440) is fixedly arranged at the bottom of the sleeve (424), and the fixing frame (440) is fixedly connected with the cover plate (200).

2. The gate structure of an injection mold for preventing backflow due to premature condensation as claimed in claim 1, wherein: the injection molding bottom plate (100) is provided with a plurality of positioning holes (110).

3. The gate structure of an injection mold for preventing backflow due to premature condensation as claimed in claim 1, wherein: the bottom of the cover plate (200) is fixedly provided with a plurality of positioning columns (210).

4. The gate structure of an injection mold for preventing backflow due to premature condensation as claimed in claim 1, wherein: rotate to keep off and cover (410) and go up to rotate and be equipped with rotation post (411), it is equipped with torsional spring (412) to rotate to cup joint on post (411), it covers (410) and the mouth (300) fixed connection of moulding plastics to rotate to keep off, it has two to rotate to keep off and cover (410), it is connected with rotation fender lid (410) rotation to rotate to keep off to cover (410) through torsional spring (412).

5. The gate structure of an injection mold for preventing backflow due to premature condensation as claimed in claim 1, wherein: and a support column (431) is arranged on the protection sliding column (430) in a sliding manner.

6. The gate structure of injection mold for preventing premature solidification from flowing backwards as claimed in claim 1, wherein: the injection molding port (300) is of a trapezoidal structure.