CN221048970U - Flange with exhaust function and plastic injection machine - Google Patents

Flange with exhaust function and plastic injection machine Download PDF

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Publication number
CN221048970U
CN221048970U CN202323050663.8U CN202323050663U CN221048970U CN 221048970 U CN221048970 U CN 221048970U CN 202323050663 U CN202323050663 U CN 202323050663U CN 221048970 U CN221048970 U CN 221048970U
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China
Prior art keywords
exhaust
vent
flange
hole
flow guide
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CN202323050663.8U
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Chinese (zh)
Inventor
谢志恒
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Shenzhen Tongda Industrial Co ltd
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Shenzhen Tongda Industrial Co ltd
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Priority to CN202323050663.8U priority Critical patent/CN221048970U/en
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Abstract

The utility model discloses a flange with an exhaust function and a plastic injection machine, which comprise a flange body, wherein an exhaust hole is formed in the flange body, a flow guide channel is formed in the flange body, an exhaust piece is arranged in the flow guide channel, the exhaust piece is made of exhaust steel, the exhaust piece is communicated with the exhaust hole, and gas in the flow guide channel can be exhausted to the external space of the flange body through the exhaust piece and the exhaust hole in sequence; the plastic injection machine comprises a flange, an injection nozzle, a screw rod and a gun barrel, wherein the injection nozzle, the flange and the gun barrel are sequentially connected, a feeding hole is formed in the gun barrel, and the screw rod is arranged in the gun barrel and is used for rotationally extruding molten plastic. According to the utility model, the exhaust hole and the exhaust piece are arranged on the flange, so that the flange has an exhaust function, and the plastic injection machine can realize pressure reduction and energy saving through the exhaust function, thereby improving the efficiency and the product quality of the plastic injection machine.

Description

Flange with exhaust function and plastic injection machine
Technical Field
The utility model relates to the field of injection molding, in particular to a flange with an exhaust function and a plastic injection machine.
Background
Injection molding is a method for producing and shaping industrial products. Products are generally molded using rubber and plastic. Injection molding can also be divided into injection molding compression molding and die casting, an injection molding machine (simply referred to as an injection molding machine or an injection molding machine) is a main molding device for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and injection molding is realized by the injection molding machine and the die; molten plastic material is fed through the flange and into the mold during injection.
When plastic material passes through a flange on the plastic injection machine and is injected into the mold through the injection nozzle, the gas is synchronously brought into the mold due to the gas in the plastic material, so that bubbles are generated in an injection molding product in the mold, and the quality of the product is affected.
Disclosure of utility model
In order to overcome the defects in the prior art, the flange with the exhaust function and the plastic injection machine are provided, the exhaust hole and the exhaust piece are arranged on the flange, so that the flange has the exhaust function, the plastic injection machine is depressurized and saves energy through the exhaust function, and the efficiency and the product quality of the plastic injection machine are improved.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a flange with exhaust function, includes the flange body, be provided with the exhaust hole on the flange body, the flange body is equipped with the water conservancy diversion passageway, be provided with the exhaust piece in the water conservancy diversion passageway, the exhaust piece is the exhaust steel, the exhaust piece with the exhaust hole intercommunication, the gas in the water conservancy diversion passageway can discharge flange body external space through exhaust piece and exhaust hole in proper order.
As a preferable technical scheme, the exhaust hole comprises a first exhaust hole and a second exhaust hole, the exhaust piece comprises a first exhaust piece and a second exhaust piece, the first exhaust hole is communicated with the first exhaust piece, and the second exhaust piece is communicated with the second exhaust piece.
As the preferable technical scheme, the flange body comprises a first annular part and a second annular part, the flow guide channel comprises a first flow guide channel and a second flow guide channel, the first annular part is internally provided with the first flow guide channel, the second annular part is internally provided with the second flow guide channel, the first flow guide channel is communicated with the second flow guide channel, the first exhaust part is arranged in the first flow guide channel, the second exhaust part is arranged in the second flow guide channel, the first exhaust hole is arranged on the first annular part, and the second exhaust hole is arranged on the second annular part.
As the preferable technical scheme, one end of the second diversion channel is provided with a conical hole, and the conical hole is used for being matched with the screw rod, so that the installation time and difficulty are reduced.
As the preferable technical scheme, the first annular piece and the second annular piece are respectively provided with screw holes, and the screw holes are annularly arranged and are used for fixing the flange body.
The utility model also provides a plastic injection machine which comprises a gun barrel, a nozzle, a screw rod and the flange, wherein the nozzle, the flange and the gun barrel are sequentially connected, the gun barrel is provided with a feeding hole, and the screw rod is arranged in the gun barrel and is used for rotationally extruding molten plastic.
As the preferable technical scheme, be equipped with the third water conservancy diversion passageway in the barrel, the exit end of barrel is provided with the third exhaust hole, be provided with the third exhaust spare in the barrel, the third exhaust hole with the third exhaust spare intercommunication.
As the preferable technical scheme, the exit end of the gun barrel is provided with a containing cavity, the third exhaust hole is communicated with the containing cavity, and the third exhaust piece is arranged in the containing cavity.
As a preferred solution, a heating device is arranged outside the gun barrel, and the heating device is used for melting the solid plastic passing through the third diversion channel into a flowable melting state.
As the preferable technical scheme, the third exhaust piece is made of exhaust steel, and the first exhaust piece, the second exhaust piece and the third exhaust piece are all circular column-shaped exhaust pieces.
The beneficial effects of the utility model are as follows: the flange is provided with the exhaust hole and the exhaust piece, so that the flange has the exhaust function, the plastic injection machine is depressurized and energy-saving through the exhaust function, and the efficiency and the product quality of the plastic injection machine are improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a flange with exhaust function according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a flange with venting function according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of the flange of FIG. 1;
FIG. 4 is a schematic diagram of a plastic injection molding machine according to the present utility model;
FIG. 5 is a cross-sectional view of a plastic injection molding machine according to an embodiment of the present utility model;
FIG. 6 is an exploded view of the barrel of FIG. 4;
FIG. 7 is a cross-sectional view of the barrel of FIG. 4;
fig. 8 is a cross-sectional view of the nozzle of fig. 4.
Reference numerals: 1. a flange body; 11. a first ring member; 111. a first exhaust hole; 112. a first flow directing channel; 12. a second ring member; 121. a second exhaust hole; 122. a second flow directing channel; 13. a screw hole; 14. a first exhaust member; 15. a second exhaust member; 16. a tapered bore; 2. a gun barrel; 21. a third flow directing channel; 22. a third exhaust member; 23. a third exhaust hole; 24. a receiving chamber; 3. a nozzle; 31. a nozzle; 311. a nozzle cap; 312. a nozzle holder; 313. a sixth diversion channel; 32. a sleeve; 321. a fourth exhaust hole; 322. a fourth flow directing channel; 33. a fourth exhaust member; 331. and a fifth diversion channel.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1, 2 and 3, the flange with the exhaust function provided by the embodiment of the utility model includes a flange body 1, exhaust holes are provided on the flange body 1, the exhaust holes are annularly arranged along the thickness direction of the flange body 1, the flange body 1 is provided with a flow guiding channel, an exhaust piece is provided in the flow guiding channel, the exhaust piece is exhaust steel, the exhaust piece is communicated with the exhaust holes, and the gas in the flow guiding channel can be exhausted to the external space of the flange body 1 through the exhaust piece and the exhaust holes in sequence. The shape of the exhaust piece is circular-ring column-shaped, or square, fan-shaped or other shapes, and the shape of the exhaust piece can be designed according to actual requirements. The exhaust steel is arranged between the flange body 1 and the exhaust hole to guide out gas, so that the damage of the die caused by the expansion of the gas in the die is avoided, and the molten plastic material is prevented from overflowing from the exhaust hole. The exhaust hole and the exhaust piece are arranged on the flange, so that the flange has an exhaust function, redundant gas in the flange can be effectively exhausted, the gas is prevented from being compressed and brought into the die, bubbles and defects in products are reduced, the plastic injection machine is depressurized and energy-saving through the exhaust function, and the efficiency and the product quality of the plastic injection machine are improved.
Further, the flange body 1 includes a first ring member 11 and a second ring member 12, the first ring member 11 and the second ring member 12 are all annular, and the designs of the first ring member 11 and the second ring member 12 can also be adjusted according to actual needs. For example, the shape of the ring member may be square or other shapes, and the size of the ring member may be designed according to practical requirements. This flexibility allows the barrel 2 to be adapted for a variety of different applications.
The flow guide channels comprise a first flow guide channel 112 and a second flow guide channel 122, the first flow guide channel 112 is communicated with the second flow guide channel 122, the first annular piece 11 is internally provided with the first flow guide channel 112, the second annular piece 12 is internally provided with the second flow guide channel 122, the exhaust holes comprise a first exhaust hole 111 and a second exhaust hole 121, the first exhaust hole 111 and the second exhaust hole 121 are annularly arranged along the thickness direction of the flange body 1, the exhaust piece comprises a first exhaust piece 14 and a second exhaust piece 15, the first exhaust hole 111 is communicated with the first exhaust piece 14, and the second exhaust piece 15 is communicated with the second exhaust piece 15. The first exhaust member 14 is disposed in the first diversion channel 112, the second exhaust member 15 is disposed in the second diversion channel 122, the first exhaust hole 111 is disposed on the first annular member 11, and the second exhaust hole 121 is disposed on the second annular member 12.
When the molten plastic material passes through the flange body 1, the gas contained in the molten plastic material is discharged from the first air discharge member 14 and the second air discharge member 15 to the first air discharge hole 111 and the second air discharge hole 121 respectively, and then discharged from the first air discharge hole 111 and the second air discharge hole 121 to the space outside the flange body 1, so that the molten plastic material passing through the flange is basically free of gas, and the injection molding quality is effectively improved.
Since the first exhaust member 14 communicates with the first guide passage 112 and the second exhaust member 15 communicates with the second guide passage 122, when the gas inside the flange passes through the first guide passage 112 and the second guide passage 122, it can be uniformly discharged through the first exhaust member 14, the second exhaust member 15, the first exhaust hole 111 and the second exhaust hole 121. This design can improve the efficiency and uniformity of the exhaust gas, reducing gas residuals and eddies.
Further, one end of the second diversion channel 122 is provided with a tapered hole 16, the tapered hole 16 is designed to enable the screw to be matched with the flange more easily, the tapered hole 16 is used for being matched with the screw, the installation time and difficulty are reduced, the tapered hole 16 is designed to prevent the nut from loosening or falling off, and the stability and safety of the plastic injection machine are improved. Screw holes 13 are formed in the first annular piece 11 and the second annular piece 12, and the screw holes 13 are annularly arranged and used for fixing the flange body 1.
Referring to fig. 4 and 5, a plastic injection molding machine comprises a flange, a nozzle 3, a screw rod and a barrel 2, wherein the nozzle 3, the flange and the barrel 2 are sequentially connected, one end of the flange is provided with internal threads, the flange is in threaded connection with the nozzle 3 through the internal threads, the other end of the flange is fixedly connected with the barrel 2, a feeding hole is formed in the barrel 2, and the screw rod is arranged in the barrel 2 and is used for rotationally extruding molten plastic.
During specific work, plastic materials enter the gun barrel 2 through the feeding holes, under the rotation compression of the screw rod, the plastic materials can become molten solution, the molten solution is pushed forward by the screw rod, and the molten solution is sprayed into the die through the nozzle 3 after the steps of exhausting, compressing and the like.
Referring to fig. 6 and 7, a third diversion channel 21 is provided in the barrel 2, a third exhaust hole 23 is provided at the outlet end of the barrel 2, the third exhaust hole 23 is annularly arranged along the thickness direction of the barrel 2, a third exhaust piece 22 is provided in the barrel 2, a containing cavity 24 is provided at the outlet end of the barrel 2, the third exhaust piece 22 is provided in the containing cavity 24, the aperture of the containing cavity 24 is larger than that of the third diversion channel 21, the third exhaust hole 23 is communicated with the containing cavity 24, and the third exhaust hole 23 is communicated with the third exhaust piece 22. Wherein the third exhaust member 22 is an annular exhaust steel. In addition, the design of the receiving chamber 24 can be adjusted according to actual needs. For example, the shape of the receiving cavity 24 may be circular, square or other shapes, and the size thereof may be designed according to practical requirements.
The barrel 2 is externally provided with heating means for melting the solid plastic passing through the third flow channel 21 into a flowable molten state. Wherein the heating device can be heating devices such as an electric heating ring, an electric heating rod or an electric heating couple.
As shown in fig. 8, the nozzle 3 includes a nozzle 31 and a sleeve 32, the sleeve 32 is provided with a fourth flow guiding channel 322, the sleeve 32 is provided with a fourth exhaust hole 321, the fourth exhaust hole 321 is vertically communicated with the fourth flow guiding channel 322, the number of the fourth exhaust holes 321 is four in a coaxial direction, four groups are arranged on the outer wall of the sleeve 32, the sleeve 32 is divided into a head part and a tail part, a fourth exhaust part 33 is arranged in the fourth flow guiding channel 322 at the head part of the sleeve 32, and the fourth exhaust part 33 is annular exhaust steel. The head of the sleeve 32 is connected with the nozzle 31, the tail of the sleeve 32 is in threaded connection with the first annular part 11 of the flange, the fourth exhaust part 33 is provided with a fifth diversion channel 331, the nozzle 31 is provided with a sixth diversion channel 313, the fourth diversion channel 322, the fifth diversion channel 331 and the sixth diversion channel 313 are communicated, and plastic materials pass through the diversion channels; the nozzle 31 comprises a nozzle cap 311 and a nozzle seat 312, the nozzle seat 312 contacts with one end of the fourth exhaust piece 33 in the fourth diversion channel 322 at the head of the sleeve 32, an annular limiting block is arranged on the nozzle seat 312, the front end of the annular limiting block contacts with the nozzle cap 311, the rear end contacts with the front end of the sleeve 32 and is used for limiting the position of the nozzle cap 311, and the nozzle 31 is detachably connected with the sleeve 32 in a threaded connection mode.
When the plastic material in the molten state flows into the fifth diversion channel 331 of the fourth exhaust member 33 and the sixth diversion channel 313 in the nozzle 31 from the fourth diversion channel 322 of the sleeve 32, the plastic material contacts with the exhaust steel when flowing through the fifth diversion channel 331, and the gas flows out of the fourth exhaust hole 321 on the sleeve 32 under the action of the internal pressure of the diversion channel, so that the gas can flow through the fourth exhaust member 33, and the plastic material can be ensured not to overflow from the fourth exhaust member 33, and the discharge of the gas is effectively controlled; the plastic material after the exhaust gas is injected into different moulds from the nozzle 31, so that the reject ratio of the user product is reduced, the quality of the injection molding product is ensured, and in addition, the injection pressure is naturally reduced after the plastic material gas in the molten state is exhausted, thereby reducing the energy consumption of the plastic machine for producing the same product.
While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and the equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a flange with exhaust function, its characterized in that includes the flange body, be provided with the exhaust hole on the flange body, the flange body is equipped with the water conservancy diversion passageway, be provided with the exhaust piece in the water conservancy diversion passageway, the exhaust piece is exhaust steel, the exhaust piece with the exhaust hole intercommunication, the gas in the water conservancy diversion passageway can pass through exhaust piece and exhaust hole in proper order and discharge flange body outer space.
2. The flange with a vent function according to claim 1, wherein the vent hole includes a first vent hole and a second vent hole, the vent member includes a first vent member and a second vent member, the first vent hole communicates with the first vent member, and the second vent member communicates with the second vent member.
3. The flange with the exhaust function according to claim 2, wherein the flange body comprises a first annular member and a second annular member, the flow guide channel comprises a first flow guide channel and a second flow guide channel, the first annular member is internally provided with the first flow guide channel, the second annular member is internally provided with the second flow guide channel, the first flow guide channel is communicated with the second flow guide channel, the first exhaust member is arranged in the first flow guide channel, the second exhaust member is arranged in the second flow guide channel, the first exhaust hole is arranged on the first annular member, and the second exhaust hole is arranged on the second annular member.
4. A flange with an exhaust function according to claim 3, wherein one end of the second flow guiding channel is provided with a conical hole, and the conical hole is used for matching with a screw rod, so that the installation time and difficulty are reduced.
5. A flange with an exhaust function according to claim 3, wherein screw holes are formed in the first ring member and the second ring member, and the screw holes are arranged in a ring shape for fixing the flange body.
6. A plastic injection molding machine, which is characterized by comprising a gun barrel, a nozzle, a screw and the flange as claimed in any one of claims 1-5, wherein the nozzle, the flange and the gun barrel are sequentially connected, a feeding hole is formed in the gun barrel, and the screw is arranged in the gun barrel and is used for rotationally extruding molten plastic.
7. The plastic injection molding machine of claim 6, wherein a third flow guide channel is provided in the barrel, a third vent is provided at an outlet end of the barrel, a third vent is provided in the barrel, and the third vent is in communication with the third vent.
8. The plastic injection molding machine of claim 7, wherein a receiving cavity is provided at an outlet end of the barrel, the third vent is in communication with the receiving cavity, and the third vent is disposed within the receiving cavity.
9. The plastic injection molding machine of claim 7, wherein a heating device is disposed outside of said barrel for melting solid plastic passing through said third flow channel into a flowable molten state.
10. The plastic injection molding machine of claim 7, wherein the third vent member is a vent steel, and the first vent member, the second vent member, and the third vent member are all annular cylindrical vent members.
CN202323050663.8U 2023-11-10 2023-11-10 Flange with exhaust function and plastic injection machine Active CN221048970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323050663.8U CN221048970U (en) 2023-11-10 2023-11-10 Flange with exhaust function and plastic injection machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323050663.8U CN221048970U (en) 2023-11-10 2023-11-10 Flange with exhaust function and plastic injection machine

Publications (1)

Publication Number Publication Date
CN221048970U true CN221048970U (en) 2024-05-31

Family

ID=91224291

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323050663.8U Active CN221048970U (en) 2023-11-10 2023-11-10 Flange with exhaust function and plastic injection machine

Country Status (1)

Country Link
CN (1) CN221048970U (en)

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