CN215039753U

CN215039753U - Injection mold for plastic products convenient for rapid demoulding

Info

Publication number: CN215039753U
Application number: CN202120221792.0U
Authority: CN
Inventors: 刘飞利; 苏明义; 何飞彪; 林永兴
Original assignee: Dongguan Airui Electronic Co ltd
Current assignee: Dongguan Airui Electronic Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-12-07
Anticipated expiration: 2031-01-26

Abstract

The utility model belongs to the technical field of the mould, especially, relate to an injection mold for plastic products convenient to quick drawing of patterns, pick out the material mechanism and include the material picking plate, a plurality of material picking rods, a plurality of springs and two articulated subassemblies that the structure is the same and locate the material picking plate lateral wall both ends respectively, the material picking plate is located in the die holder, each material picking rod is located respectively on the material picking plate in order to pick out the product, each spring is located respectively the top of each material picking rod in order to push up each material picking rod tightly, the structure of two articulated subassemblies is the same and all includes first hinge arm and second hinge arm, the one end of two first hinge arms rotates with the lateral wall both ends of material picking plate respectively and is connected, the other end of two first hinge arms rotates with the one end of two second hinge arms respectively and is connected, the other end of two second hinge arms rotates with the lateral wall both ends of center seat respectively and is connected; the four material rejecting rods can reject the product from the die, so that the product can be rapidly demoulded conveniently, and finally the product is ejected out by the ejection mechanism and is blanked, so that the production is completed, and the production efficiency is effectively improved.

Description

Injection mold for plastic products convenient for rapid demoulding

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to an injection mold for plastic products convenient to quick drawing of patterns.

Background

A plastic mold is a tool which is matched with a plastic molding machine in the plastic processing industry and gives a complete configuration and accurate dimension to a plastic product. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various. With the rapid development of the plastic industry and the continuous improvement of general and engineering plastics in the aspects of strength and the like, the application range of plastic products is also continuously expanded, and the consumption of plastic products is also rising. A plastic mold is a tool for producing plastic articles. It is made up of several sets of parts, and the combination has a moulding cavity. During injection molding, a mold is clamped on an injection molding machine, molten plastic is injected into a forming mold cavity and is cooled and shaped in the cavity, then an upper mold and a lower mold are separated, a product is ejected out of the mold cavity through an ejection system and leaves the mold, finally the mold is closed again for next injection molding, and the whole injection molding process is carried out in a circulating mode.

However, some unreasonable factors still exist in the use process of the existing injection mold, and some injection molded parts with complex structures usually need to spend a little more time during stripping, so that the injection molded parts are not easy to fall off, the production speed is affected, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for plastic products convenient to quick drawing of patterns aims at solving injection mold's among the prior art drawing of patterns speed slower, and the time that the drawing of patterns consumeed is longer, reduces production efficiency's technical problem.

In order to achieve the above object, an embodiment of the present invention provides an injection mold for plastic products, which is convenient for rapid demolding, and comprises a fixed mold base, a movable mold base, a middle base, a sprue bush, a positioning ring, a plurality of molds, an ejection mechanism and a material rejecting mechanism; the fixed die holder, the middle seat and the movable die holder are sequentially arranged along the vertical direction, the fixed die holder is movably connected with the middle seat, a molding cavity for molding a product is arranged between the fixed die holder and the middle seat, each die is arranged in the molding cavity, the middle seat is fixedly connected with the movable die holder, the sprue is sleeved at the top of the fixed die holder and communicated with the molding cavity for spraying a colloid, the positioning ring is arranged at the top of the sprue sleeve for fixing the sprue sleeve, the material rejecting mechanism is arranged in the fixed die holder for rejecting the product in each die, the ejecting mechanism is arranged between the middle seat and the movable die holder for ejecting the product, the material rejecting mechanism comprises a material rejecting plate, a plurality of material rejecting rods, a plurality of springs and two hinged components which have the same structure and are respectively arranged at two ends of the side wall of the material rejecting plate, the material picking plate is arranged in the fixed die holder, the material picking rods are respectively arranged on the material picking plate to pick out products, the springs are respectively arranged at the tops of the material picking rods to tightly push against the material picking rods, the two hinge assemblies are same in structure and respectively comprise a first hinge arm and a second hinge arm, one end of each of the two first hinge arms is rotatably connected with two ends of the side wall of the material picking plate, the other end of each of the two first hinge arms is rotatably connected with one end of each of the two second hinge arms, and the other end of each of the two second hinge arms is rotatably connected with two ends of the side wall of the middle seat.

Optionally, the material rejecting mechanism further comprises two fixing seats; the two fixing seats are respectively and fixedly connected with two ends of the side wall of the middle seat, and the other ends of the two second hinged arms are respectively and rotatably connected with the two fixing seats.

Optionally, a first limiting block and a second limiting block for limiting each other are respectively arranged at positions where the two first hinge arms are respectively connected with the two second hinge arms.

Optionally, the fixed die holder comprises a first fixed die plate, a second fixed die plate and a third fixed die plate; the first fixed die plate, the second fixed die plate and the third fixed die plate are sequentially arranged in the vertical direction, the pouring gate is sleeved at the top of the first fixed die plate, the positioning ring is fixedly connected with the top of the first fixed die plate, an accommodating cavity used for accommodating the material rejecting plate is arranged between the first fixed die plate and the second fixed die plate, the third fixed die plate is movably connected with the middle base, and the dies are fixedly connected with the inner wall of the forming cavity.

Optionally, the first fixed die plate, the second fixed die plate and the third fixed die plate are respectively provided with a first mounting cavity, a second mounting cavity and a third mounting cavity, the shapes of which are matched with those of the sprue bush; the first installation cavity, the second installation cavity and the third installation cavity are communicated with each other, the third installation cavity is communicated with the forming cavity, and the sprue bush sequentially penetrates through the first installation cavity, the second installation cavity and the third installation cavity.

Optionally, a plurality of exhaust holes for exhausting air in the molding cavity are further formed in the third fixed mold plate.

Optionally, the injection mold for plastic products convenient for quick demolding further comprises a plurality of connecting nozzles; and each connecting nozzle is fixedly connected with the inner wall of each exhaust hole respectively.

Optionally, the ejection mechanism comprises a number of threaded cores and a drive mechanism; the driving mechanism is arranged between the middle seat and the movable mold seat, and is connected with each threaded mold core and drives each threaded mold core to eject a product.

Optionally, the driving mechanism includes a fixed block, a toothed disc, two racks and two cylinders; the fixed block is located the middle seat with between the movable mould seat, two the rack all with fixed block sliding connection, two the cylinder body of cylinder all with fixed block fixed connection, two the piston rod of cylinder respectively with two rack fixed connection, the fluted disc is located the middle seat with be located between the movable mould seat the side of fixed block, two the rack all with the outer lane meshing of fluted disc is connected, each the thread core all with the inner circle meshing of fluted disc is connected.

Optionally, each die is provided with material picking holes penetrating through two ends in the vertical direction at positions corresponding to the material picking rods.

The embodiment of the utility model provides a be convenient for quick drawing of patterns above-mentioned one or more technical scheme among the injection mold for plastic products have one of following technological effect at least: the utility model discloses an injection mold for plastic products convenient to fast demoulding, fixed die holder and movable die holder are fixed with external equipment respectively, during operation, at first fixed die holder and middle seat are closed, two first hinge arms and two second hinge arms are folded, and two first hinge arms and two second hinge arms simultaneously push up the material picking plate towards the direction of fixed die holder top, make the material picking plate move towards the one end of keeping away from the mould, because install four material picking rods on the material picking plate respectively, then four material picking rods all can be pushed up by the material picking plate, make four material picking rods also move towards the one end of keeping away from the mould, after fixed die holder and middle seat are closed, pour into the colloid in the sprue bush, the colloid under the molten state flows into the shaping chamber along the sprue bush, and fill up four moulds gradually, after the cooling shaping, fixed die holder and middle seat are separated, two first hinge arms and two second hinge arms extend, and two first hinge arms and two second hinge arms will pick the flitch simultaneously and taut toward the direction that is close to mould one end for pick the flitch and move toward the direction that is close to mould one end, the top of four material picking poles all is equipped with the spring, so four material picking poles all can move toward the one end that is close to the mould, like this, four material picking poles will pick the product from the mould, the quick drawing of patterns of the product of being convenient for, ejection mechanism is ejecting and carry out the unloading with the product at last, accomplish production, production efficiency has been improved effectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without inventive labor.

Fig. 1 is the embodiment of the present invention provides a schematic view of a mold opening state of an injection mold for plastic products, which is convenient for rapid mold release.

Fig. 2 is another schematic view of the mold opening state of the injection mold for plastic products, which is convenient for rapid demolding and provided by the embodiment of the present invention.

Fig. 3 is a schematic structural view of a material rejecting mechanism of an injection mold for plastic products, which is convenient for rapid demolding.

Fig. 4 is a schematic structural view of a fixed mold seat of an injection mold for plastic products, which is convenient for rapid demolding, provided by the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an ejection mechanism of an injection mold for plastic products, which is convenient for rapid demolding and provided by the embodiment of the present invention.

Fig. 6 is a schematic view of a mold closing state of the injection mold for plastic products, which is convenient for rapid demolding and provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-fixed die base 11-first fixed die plate 12-second fixed die plate

13-third fixed die plate 14-containing cavity 20-movable die base

30-middle seat 41-sprue bush 42-positioning ring

43-mould 44-forming cavity 50-ejection mechanism

51-thread core 52-driving mechanism 60-material removing mechanism

61-material picking plate 62-material picking rod 63-spring

64-hinge assembly 65-fixing seat 111-first mounting cavity

121-second installation cavity 131-third installation cavity 132-exhaust hole

133-connecting mouth 521-fixed block 522-fluted disc

523-rack 524-cylinder 641-first hinged arm

642, a second hinge arm 6411, a first stop block 6421, and a second stop block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, 2 and 6, an injection mold 43 for plastic products is provided, which facilitates rapid demolding, and includes a fixed mold base 10, a movable mold base 20, a middle base 30, a sprue bush 41, a positioning ring 42, a plurality of molds 43, an ejection mechanism 50 and a material rejecting mechanism 60; the fixed die holder 10, the middle die holder 30 and the movable die holder 20 are sequentially arranged in a vertical direction, the fixed die holder 10 is movably connected with the middle die holder 30, a molding cavity 44 for product molding is arranged between the fixed die holder 10 and the middle die holder 30, each die 43 is arranged in the molding cavity 44, the middle die holder 30 is fixedly connected with the movable die holder 20, the sprue bush 41 is arranged at the top of the fixed die holder 10 and communicated with the molding cavity 44 for spraying a colloid, the positioning ring 42 is arranged at the top of the sprue bush 41 for fixing the sprue bush 41, the material rejecting mechanism 60 is arranged in the fixed die holder 10 for rejecting products in the dies 43, the ejecting mechanism 50 is arranged between the middle die holder 30 and the movable die holder 20 for ejecting the products, and the material rejecting mechanism 60 comprises a material rejecting plate 61, a plurality of material rejecting rods 62, The spring assemblies 63 and the two hinge assemblies 64 have the same structure and are respectively arranged at two ends of the side wall of the material rejecting plate 61, the material rejecting plate 61 is arranged in the fixed die holder 10, the material rejecting rods 62 are respectively arranged on the material rejecting plate 61 to reject products, the springs 63 are respectively arranged at the top of the material rejecting rods 62 to tightly push against the material rejecting rods 62, the two hinge assemblies 64 have the same structure and respectively comprise a first hinge arm 641 and a second hinge arm 642, one end of each of the two first hinge arms 641 is rotatably connected with two ends of the side wall of the material rejecting plate 61, the other end of each of the two first hinge arms 641 is rotatably connected with one end of each of the two second hinge arms 642, and the other end of each of the two second hinge arms 642 is rotatably connected with two ends of the side wall of the middle seat 30.

Specifically, the injection mold 43 for plastic products convenient for rapid demolding of the present invention fixes the fixed mold base 10 and the movable mold base 20 with external devices, when in operation, firstly, the fixed mold base 10 and the middle base 30 are closed, the two first hinge arms 641 and the two second hinge arms 642 are folded, and the two first hinge arms 641 and the two second hinge arms 642 simultaneously push the material-removing plate 61 tightly towards the top of the fixed mold base 10, so that the material-removing plate 61 moves towards the end far away from the mold 43, since the material-removing plate 61 is provided with the four material-removing rods 62, the four material-removing rods 62 are pushed tightly by the material-removing plate 61, so that the four material-removing rods 62 also move towards the end far away from the mold 43, after the fixed mold base 10 and the middle base 30 are closed, the colloid is injected into the sprue bush 41, the colloid in a molten state flows into the molding cavity 44 along the sprue bush 41, and is gradually filled with the four molds 43, the fixed die holder 10 and the middle die holder 30 are separated, the two first hinge arms 641 and the two second hinge arms 642 extend, the two first hinge arms 641 and the two second hinge arms 642 simultaneously tension the material rejecting plate 61 in the direction close to one end of the die 43, the material rejecting plate 61 moves in the direction close to one end of the die 43, the springs 63 are arranged at the tops of the four material rejecting rods 62, and therefore the four material rejecting rods 62 all move in the direction close to one end of the die 43, so that the four material rejecting rods 62 can eject the product out of the die 43, the product is conveniently and rapidly demoulded, finally the ejection mechanism 50 ejects the product out and discharges the product, production is completed, and production efficiency is effectively improved.

In another embodiment of the present invention, as shown in fig. 1 to 3, the material rejecting mechanism 60 further includes two fixing seats 65; the two fixing seats 65 are respectively and fixedly connected with two ends of the side wall of the middle seat 30, and the other ends of the two second hinge arms 642 are respectively and rotatably connected with the two fixing seats 65. Specifically, the two fixing bases 65 are respectively installed at two ends of the side wall of the middle base 30 through two screws, and the two fixing bases 65 are respectively connected with the two second hinge arms 642 in a rotating manner, so that the two second hinge arms 642 cannot collide with the middle base 30 when rotating, and the safety performance is enhanced.

In another embodiment of the present invention, as shown in fig. 1 to 3, two first hinge arms 641 are respectively connected to two second hinge arms 642 at positions where the first hinge arms 641 and the second hinge arms are respectively provided with a first stopper 6411 and a second stopper 6421 for limiting each other. Specifically, when the two first hinge arms 641 and the two second hinge arms 642 extend to the maximum distance, the first limit block 6411 and the second limit block 6421 limit each other, so as to prevent the two first hinge arms 641 and the two second hinge arms 642 from continuously extending and deforming, and control the two first hinge arms 641 and the two second hinge arms 642 in the effective stroke.

In another embodiment of the present invention, as shown in fig. 1, 2 and 4, the fixed die holder 10 includes a first fixed die plate 11, a second fixed die plate 12 and a third fixed die plate 13; the first fixed die plate 11, the second fixed die plate 12 and the third fixed die plate 13 are sequentially arranged in the vertical direction, the sprue bush 41 is arranged at the top of the first fixed die plate 11, the positioning ring 42 is fixedly connected with the top of the first fixed die plate 11, an accommodating cavity 14 for accommodating the material rejecting plate 61 is formed between the first fixed die plate 11 and the second fixed die plate 12, the third fixed die plate 13 is movably connected with the middle seat 30, and each die 43 is fixedly connected with the inner wall of the forming cavity 44. Specifically, a first fixed template 11, a second fixed template 12 and a third fixed template 13 are sequentially arranged from top to bottom, the first fixed template 11, the second fixed template 12 and the third fixed template 13 are respectively fixed through screws (not shown), a containing cavity 14 is formed between the first fixed template 11 and the second fixed template 12, the shape of the containing cavity 14 is matched with that of the material rejecting plate 61, the material rejecting plate 61 can move along the vertical direction of the containing cavity 14, so that the four material rejecting rods 62 are controlled to be loosened or tightly ejected, four molds 43 are fixed on the inner wall of the molding cavity 44, and after products in the four molds 43 are molded, the four material rejecting rods 62 eject the products respectively, so that rapid demolding is realized.

In another embodiment of the present invention, as shown in fig. 4, a first installation cavity 111, a second installation cavity 121 and a third installation cavity 131 matched with the shape of the sprue bush 41 are respectively formed on the first fixed die plate 11, the second fixed die plate 12 and the third fixed die plate 13; the first installation cavity 111, the second installation cavity 121 and the third installation cavity 131 are all communicated with each other, the third installation cavity 131 is communicated with the forming cavity 44, and the sprue bush 41 sequentially penetrates through the first installation cavity 111, the second installation cavity 121 and the third installation cavity 131. Specifically, the first installation cavity 111, the second installation cavity 121 and the third installation cavity 131 are sequentially communicated, the sprue bush 41 sequentially penetrates through the first installation cavity 111, the second installation cavity 121 and the third installation cavity 131, so that the sprue bush 41 can be fixed, the discharge hole of the sprue bush 41 is communicated with the molding cavity 44, and then the colloid is injected from the feed hole of the sprue bush 41 and can flow into the mold 43 of the molding cavity 44 for cooling molding.

In another embodiment of the present invention, as shown in fig. 4, a plurality of exhaust holes 132 are further formed on the third fixed mold plate 13 for exhausting air in the molding cavity 44. Specifically, when the gel is injected, the gel fills the mold 43 disposed in the molding cavity 44, and some of the gas existing in the space is squeezed and discharged from the gas discharge hole 132, which is advantageous in improving the quality of the product.

In another embodiment of the present invention, as shown in fig. 2, the injection mold 43 for plastic products facilitating rapid demolding further comprises a plurality of connecting nozzles 133; each of the connection nozzles 133 is fixedly connected to an inner wall of each of the exhaust holes 132. Specifically, the connecting nozzles 133 are installed in the five exhaust holes 132, and the connecting nozzles 133 can be connected with the air pipes to safely collect the exhaust gas and prevent the environment from being polluted.

In another embodiment of the present invention, as shown in fig. 5, the ejection mechanism 50 includes a plurality of threaded cores 51 and a driving mechanism 52; the driving mechanism 52 is disposed between the intermediate base 30 and the movable die base 20, and the driving mechanism 52 is connected to each of the threaded cores 51 and drives each of the threaded cores 51 to eject a product. Specifically, when blanking, the driving mechanism 52 drives the four threaded cores 51 to rotate, and the product falls off from the four threaded cores 51, so that blanking is realized.

In another embodiment of the present invention, as shown in fig. 5, the driving mechanism 52 includes a fixed block 521, a toothed disc 522, two racks 523 and two cylinders 524; the fixed block 521 is arranged between the middle base 30 and the movable die holder 20, the two racks 523 are slidably connected with the fixed block 521, the cylinder bodies of the two cylinders 524 are fixedly connected with the fixed block 521, the piston rods of the two cylinders 524 are respectively fixedly connected with the two racks 523, the fluted disc 522 is arranged between the middle base 30 and the movable die holder 20 and located beside the fixed block 521, the two racks 523 are respectively engaged and connected with the outer ring of the fluted disc 522, and each threaded core 51 is engaged and connected with the inner ring of the fluted disc 522. Specifically, through four threaded core 51, can realize the automatic drawing of patterns of product, the damage of automatic drawing of patterns to the product is less, and the staff need not manual drawing of patterns, and working strength is less, and production efficiency is higher.

In another embodiment of the present invention, each of the molds 43 is provided with a material picking hole (not shown) corresponding to each of the material picking rods 62 and penetrating through two ends of the mold in the vertical direction. Specifically, after the product in the four molds 43 is cooled and formed, the four picking rods 62 respectively penetrate through the four picking holes to push out the product, so as to realize rapid demolding.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an injection mold for plastic products convenient to quick drawing of patterns which characterized in that: comprises a fixed die holder, a movable die holder, an intermediate seat, a sprue bush, a positioning ring, a plurality of dies, an ejection mechanism and a material rejecting mechanism; the fixed die holder, the middle seat and the movable die holder are sequentially arranged along the vertical direction, the fixed die holder is movably connected with the middle seat, a molding cavity for molding a product is arranged between the fixed die holder and the middle seat, each die is arranged in the molding cavity, the middle seat is fixedly connected with the movable die holder, the sprue is sleeved at the top of the fixed die holder and communicated with the molding cavity for spraying a colloid, the positioning ring is arranged at the top of the sprue sleeve for fixing the sprue sleeve, the material rejecting mechanism is arranged in the fixed die holder for rejecting the product in each die, the ejecting mechanism is arranged between the middle seat and the movable die holder for ejecting the product, the material rejecting mechanism comprises a material rejecting plate, a plurality of material rejecting rods, a plurality of springs and two hinged components which have the same structure and are respectively arranged at two ends of the side wall of the material rejecting plate, the material picking plate is arranged in the fixed die holder, the material picking rods are respectively arranged on the material picking plate to pick out products, the springs are respectively arranged at the tops of the material picking rods to tightly push against the material picking rods, the two hinge assemblies are same in structure and respectively comprise a first hinge arm and a second hinge arm, one end of each of the two first hinge arms is rotatably connected with two ends of the side wall of the material picking plate, the other end of each of the two first hinge arms is rotatably connected with one end of each of the two second hinge arms, and the other end of each of the two second hinge arms is rotatably connected with two ends of the side wall of the middle seat.

2. The plastic product injection mold facilitating rapid demolding according to claim 1, wherein: the material rejecting mechanism also comprises two fixed seats; the two fixing seats are respectively and fixedly connected with two ends of the side wall of the middle seat, and the other ends of the two second hinged arms are respectively and rotatably connected with the two fixing seats.

3. The plastic product injection mold facilitating rapid demolding according to claim 2, wherein: and the positions of the two first hinged arms, which are respectively connected with the two second hinged arms, are respectively provided with a first limiting block and a second limiting block which are used for limiting each other.

4. The plastic product injection mold convenient for rapid demolding as claimed in any one of claims 1 to 3, wherein: the fixed die holder comprises a first fixed die plate, a second fixed die plate and a third fixed die plate; the first fixed die plate, the second fixed die plate and the third fixed die plate are sequentially arranged in the vertical direction, the pouring gate is sleeved at the top of the first fixed die plate, the positioning ring is fixedly connected with the top of the first fixed die plate, an accommodating cavity used for accommodating the material rejecting plate is arranged between the first fixed die plate and the second fixed die plate, the third fixed die plate is movably connected with the middle base, and the dies are fixedly connected with the inner wall of the forming cavity.

5. The plastic product injection mold facilitating rapid demolding according to claim 4, wherein: the first fixed die plate, the second fixed die plate and the third fixed die plate are respectively provided with a first mounting cavity, a second mounting cavity and a third mounting cavity, wherein the shapes of the first mounting cavity, the second mounting cavity and the third mounting cavity are matched with those of the sprue bush; the first installation cavity, the second installation cavity and the third installation cavity are communicated with each other, the third installation cavity is communicated with the forming cavity, and the sprue bush sequentially penetrates through the first installation cavity, the second installation cavity and the third installation cavity.

6. The plastic product injection mold facilitating rapid demolding according to claim 4, wherein: and the third fixed die plate is also provided with a plurality of exhaust holes which are used for exhausting air in the forming cavity.

7. The plastic product injection mold facilitating rapid demolding according to claim 6, wherein: the injection mold for the plastic product convenient for rapid demolding also comprises a plurality of connecting nozzles; and each connecting nozzle is fixedly connected with the inner wall of each exhaust hole respectively.

8. The plastic product injection mold convenient for rapid demolding as claimed in any one of claims 1 to 3, wherein: the ejection mechanism comprises a plurality of threaded cores and a driving mechanism; the driving mechanism is arranged between the middle seat and the movable mold seat, and is connected with each threaded mold core and drives each threaded mold core to eject a product.

9. The plastic article injection mold facilitating rapid demolding according to claim 8, wherein: the driving mechanism comprises a fixed block, a fluted disc, two racks and two cylinders; the fixed block is located the middle seat with between the movable mould seat, two the rack all with fixed block sliding connection, two the cylinder body of cylinder all with fixed block fixed connection, two the piston rod of cylinder respectively with two rack fixed connection, the fluted disc is located the middle seat with be located between the movable mould seat the side of fixed block, two the rack all with the outer lane meshing of fluted disc is connected, each the thread core all with the inner circle meshing of fluted disc is connected.

10. The plastic product injection mold convenient for rapid demolding as claimed in any one of claims 1 to 3, wherein: and material picking holes penetrating through two ends of the mould in the vertical direction are respectively formed in the positions, corresponding to the material picking rods, of the moulds.