Special-shaped ventilation pipe injection mold

By using a uniform injection mechanism and a heating and heating mechanism in the injection mold of special-shaped ventilation ducts, the problem of wall thickness caused by uneven injection molding liquid is solved, the quality of the pipe and production reliability are improved, and the uniform injection molding of the ventilation ducts is achieved and the uniform injection molding of the ventilation ducts is achieved. Anti-blocking effect.

CN119189210AInactive Publication Date: 2024-12-27YANCHENG JINDE MOULD MFG CO LTD
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Patent Information

Application Number
CN202411336879.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2024-12-27
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When producing special-shaped ventilation ducts, existing injection molds have problems such as different wall thicknesses, insufficient quality, easy to break and air leakage due to uneven injection molding liquid.

Method used

A special-shaped ventilation duct injection mold is designed, using an equalized injection mechanism, heating mechanism and heating mechanism. Through the hose and equalizer of the equalized injection mechanism, the uniform flow and heating treatment of the injection molding liquid are achieved, thereby improving the average degree of shape and The thickness of the tube wall and prevent condensation from being blocked by heating and heating mechanisms.

Benefits of technology

The uniform injection and heating treatment of injection molding liquid is achieved, and the quality and wall thickness of the ventilation duct are improved, blockage and air leakage are avoided, and production reliability is improved.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The special-shaped ventilation pipe injection mold comprises an injection mold upper mold body, the top of the injection mold upper mold body is provided with an equally-divided injection mechanism, the bottom of the injection mold upper mold body is provided with an injection mold lower mold body, and one end of the injection mold upper mold body and one end of the injection mold lower mold body are each provided with a heating mechanism; and a heating mechanism is arranged at one end of the top of the uniform injection mechanism, and an easy-to-disassemble mechanism is arranged on the inner side of the injection mold upper mold. The uniform injection mechanism is arranged, so that when the special-shaped ventilation pipe is subjected to injection molding, injection molding liquid can be conveniently connected through a connecting pipe, then the injection molding liquid is shunted to all hoses through a uniform distributor, is conveyed to a connector through the hoses and flows into the inner side of an upper mold groove through an injection hole for uniform injection molding; therefore, when injection molding is carried out on a long special-shaped ventilation pipe, the average degree of molding can be improved through the equal-dividing design of the special-shaped ventilation pipe, the wall thickness equal effect of the ventilation pipe is improved, and the quality of the pipe is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of injection moulds, in particular to an injection mould for a special-shaped ventilation pipe. Background Art

[0002] Special-shaped tubes are seamless steel tubes made of various special shapes by cold drawing; special-shaped tubes are generally distinguished by cross-section, and can be divided into seamless steel tube special-shaped tubes, aluminum alloy special-shaped tubes, and plastic special-shaped tubes according to materials. Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding and die casting.

[0003] In the prior art, such as the Chinese patent number: CN109397638A "A special-shaped plastic part injection mold", the mold adopts a one-mold, one-cavity, two-plate mold structure. In the mold, a slider is used at each end of the inner hole for lateral core pulling and demolding, and a slanted top is used for lateral core pulling and demolding in the local area of ​​the plastic part; an improved slider mechanism is used for lateral core pulling and demolding in the recessed area at both ends; the mold realizes short core pulling distance demolding of long through holes by simply driving the side slider mechanism with a central oil cylinder, which solves the problem of insufficient design space for the side core pulling mechanism in the local area, resulting in difficulty in mold structure design, and realizes the automated injection molding production of special-shaped pipe fittings.

[0004] In the prior art, although the existing injection molds can be used to produce special-shaped pipe fittings, the lack of uniform distribution during the production process can easily lead to uneven addition of the injection liquid, which in turn causes the key wall thickness of the products to be different and the quality to be insufficient, which in turn causes the products to be easily damaged and leak during later use. In view of the above problems, an injection mold for special-shaped ventilation ducts is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide an injection mold for special-shaped ventilation ducts to solve the problem that although the injection mold can produce special-shaped pipe fittings during the operation of the prior art proposed in the above background technology, the lack of uniform distribution during the production process can easily lead to uneven injection liquid during the addition of the injection liquid, which in turn causes the key wall thickness of the product to be uneven and the quality to be insufficient, which in turn causes the problem of easy breakage and air leakage during later use.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a special-shaped ventilation duct injection mold, comprising an injection mold upper mold, the top of the injection mold upper mold is provided with an equalizing injection mechanism, the bottom of the injection mold upper mold is provided with an injection mold lower mold, one end of the injection mold upper mold and the injection mold lower mold are provided with a heating mechanism, the top end of the equalizing injection mechanism is provided with a heating mechanism, the inner side of the injection mold upper mold is provided with an easy-to-disassemble mechanism, a plurality of connectors are evenly distributed on the top of the equalizing injection mechanism, a hose is fixedly connected to the top of the connector, and a divider is fixedly connected to one end of the hose, by installing the equalizing injection mechanism on the top of the injection mold upper mold and at the top of the equalizing injection mechanism The part is connected with a hose through a connector, and the hose is used to connect the upper divider. A connecting pipe is fixedly connected to the side of the divider. A plurality of connecting ports are opened on the inner side of the equalizing injection mechanism to communicate with the connecting port, and the connecting port is connected to the upper mold groove and the injection hole on the inner side of the upper mold of the injection mold, so that when the special-shaped ventilation pipe is injected, the injection liquid can be connected through the connecting pipe, and then the injection liquid is diverted to each hose through the equalizer, and then transported to the connector through the hose and flows into the inner side of the upper mold groove through the injection hole for uniform injection molding, so that when injecting a long special-shaped ventilation pipe, the equalizing design can be used to improve the average degree of shaping, thereby improving the equalization effect of the wall thickness of the ventilation pipe and improving the quality of the pipe;

[0007] Two access lines are arranged on the side of the heating mechanism, one end of the two access lines is connected to a heating block, the heating blocks are arranged on the outside of the upper mold of the injection mold and the lower mold of the injection mold respectively, a plurality of heating rings are evenly distributed on the outside of the divider, the two sides of the easy-to-detach mechanism are connected to side strips, the top of the lower mold of the injection mold is provided with an inflow groove, by installing the heating mechanism on one end of the upper mold of the injection mold and the lower mold of the injection mold, and installing an electric socket on the side of the heating mechanism, the outside of which is also connected to an access line, and connected to the upper heating block through the access line, the inner side of the heating block is connected to the outside of the upper mold of the injection mold and the lower mold of the injection mold, and By using a heat conduction rod passing through the inner side, the injection liquid pipeline of the upper mold and the lower mold of the injection mold can be heated, which is beneficial to prevent the injection liquid from solidifying easily inside, and at the same time, it is convenient to clean the inside of the pipeline after the molding is successfully demolded. In addition, a heating mechanism is installed on the side of the divider, and a heating ring is provided on the outer side of the divider. The heating mechanism controls the heating ring for heating, thereby realizing heating treatment of the injection liquid in the divider and the diversion point, which is beneficial to reduce the condensation speed of the injection liquid pipeline, thereby effectively avoiding blockage. The side strips can facilitate the separation of the pipeline on the side, and the pipeline can be easily taken out after forming.

[0008] Preferably, a plurality of heat dissipation holes 1 are evenly opened on the top of the upper mold of the injection mold, a plurality of heat dissipation holes 2 are evenly opened on the sides of the upper mold of the injection mold and the lower mold of the injection mold, and a plurality of heat dissipation grooves are evenly opened at both ends of the upper mold of the injection mold and the lower mold of the injection mold. By evenly distributing the heat dissipation holes 1 on the top and the heat dissipation holes 2 on the sides, and the heat dissipation grooves are also distributed at both ends, the effect of heat dissipation and rapid cooling can be provided for the interior during the injection molding process.

[0009] Preferably, a plurality of mold opening grooves are evenly opened at the connection between the bottom of the upper mold of the injection mold and the top of the lower mold of the injection mold, and guide rods are fixedly installed at the four corners of the top of the lower mold of the injection mold, and the top of the guide rods movably passes through the top of the upper mold of the injection mold. The mold opening grooves can be used to quickly separate the molds by prying the parts after molding, thereby facilitating the removal of the molded parts, and the upper mold of the injection mold and the lower mold of the injection mold can be aligned by the guide rods, which is beneficial to improving the accuracy of the mold.

[0010] Preferably, an upper mold groove is provided on the inner top of the upper mold of the injection mold, and an injection hole is provided through the top of the upper mold groove. The injection hole penetrates the top of the upper mold of the injection mold, and a lower mold groove is provided on the inner top of the lower mold of the injection mold. The upper mold groove can provide a mold groove for pipe molding, and the easy-to-disassemble mechanism is combined with the upper and lower mold grooves to facilitate the effective molding of the pipeline. The injection hole can be connected to the equal injection mechanism to realize the injection of the injection liquid.

[0011] Preferably, a connecting tube is fixedly connected to one side of the equalizer, a plurality of connecting ports are evenly penetrated through the top of the equalizing injection mechanism, the bottom of the connecting port is connected to the top of the injection hole, the top of the connecting port and the bottom of the connector are connected to each other, and a sealing ring is provided on the outer wall of the connecting tube. The connecting tube can provide an effective connection, which is convenient for connecting the injection liquid pump and the equalizer, and the connecting port can facilitate the connection between the injection hole and the equalizing injection mechanism, and the sealing ring can provide a sealing connection when the connecting tube is connected to the pump.

[0012] Preferably, a power socket is fixedly mounted on the side of the heating mechanism, and a wiring port is opened at one end of the power socket, which can provide an effective power connection function, facilitate the heating mechanism to be powered on, and thus achieve the function of electric heating.

[0013] Preferably, one end of the heating mechanism is fixedly connected to a heating wire, and one end of the heating wire is connected to the heating ring. The heating wire can facilitate power supply between the heating mechanism and the heating ring, and also facilitates providing electrical energy for heating the heating ring.

[0014] Preferably, a plurality of circular holes are evenly penetrated on the inner side of the side strip, a plurality of inflow holes are evenly penetrated on the top of the inflow groove, a plurality of outflow holes are evenly penetrated on the inner side of the lower mold groove, and the inflow holes and the outflow holes are interconnected. The circular holes can provide a conveying function, and the inflow holes facilitate the cooperation with the outflow holes to input into the inner side of the lower mold groove for molding.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, an equalizing injection mechanism is provided, and the equalizing injection mechanism is installed on the top of the upper mold of the injection mold, and a hose is connected to the top of the equalizing injection mechanism through a connecting head, and the upper divider is connected by the hose, and a connecting pipe is fixedly connected to the side of the divider, and a plurality of connecting ports are opened on the inner side of the equalizing injection mechanism to be connected to the connecting head, and the connecting ports are connected to the upper mold groove and the injection hole on the inner side of the upper mold of the injection mold, so that it is convenient to connect the injection liquid through the connecting pipe when the special-shaped ventilation pipe is injection molded, and then the injection liquid is diverted to each hose through the equalizer, and then transported to the connecting head through the hose, and flows into the inner side of the upper mold groove through the injection hole for uniform injection molding, so that when injecting longer special-shaped ventilation pipes, the equalizing design can be used to improve the uniformity of shaping, thereby improving the equalization effect of the wall thickness of the ventilation pipe and improving the quality of the pipe.

[0017] 2. In the present invention, a heating mechanism and a temperature rising mechanism are provided, and the heating mechanism is installed on one end of the upper mold and the lower mold of the injection mold, and an electric socket is installed on the side of the heating mechanism, and an access line is also connected to the outside of the heating mechanism, and the heating block is connected to the inner side of the heating block to the outer side of the upper mold and the lower mold of the injection mold, and a heat conducting rod is passed through the inner side thereof to achieve partial heating of the injection liquid pipeline of the upper mold and the lower mold of the injection mold, thereby making it difficult for the injection liquid to solidify inside, and facilitating the cleaning of the inside of the pipeline after the molding is successfully demolded. In addition, a temperature rising mechanism is installed on the side of the equalizer, and a heating ring is provided on the outside of the equalizer, and the temperature rising mechanism controls the heating ring for heating, thereby achieving heating treatment of the injection liquid in the equalizer and the diversion point, which is beneficial to reduce the condensation rate of the injection liquid pipeline, thereby effectively avoiding blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of an injection mold for a special-shaped ventilation pipe according to the present invention;

[0019] Figure 2 This is a schematic structural diagram of another angle of a special-shaped ventilation pipe injection mold of the present invention;

[0020] Figure 3This is a schematic structural diagram of a mold opening state of an injection mold for a special-shaped ventilation pipe according to the present invention;

[0021] Figure 4 This is a schematic diagram of the internal structure of a special-shaped ventilation pipe injection mold of the present invention;

[0022] Figure 5 It is a structural schematic diagram of an evenly divided injection molding mechanism of an injection molding mold for a special-shaped ventilation pipe of the present invention;

[0023] Figure 6 It is a structural schematic diagram of a heating mechanism of a special-shaped ventilation pipe injection mold of the present invention;

[0024] Figure 7 The figure is a schematic structural diagram of an inner module of an injection mold for a special-shaped ventilation duct according to the present invention.

[0025] In the figure:

[0026] 1. Injection mold upper mold; 2. Equalizing injection mechanism; 3. Heating mechanism; 4. Temperature rising mechanism; 5. Easy disassembly mechanism; 11. Injection mold lower mold; 12. Heat dissipation hole 1; 13. Heat dissipation hole 2; 14. Heat dissipation groove; 15. Mold opening groove; 16. Guide rod; 17. Upper mold groove; 18. Injection hole; 19. Lower mold groove; 21. Connector; 22. Hose; 23. Equalizer; 24. Connecting pipe; 25. Connecting port; 26. Sealing ring; 31. Electric socket; 32. Access line; 33. Heating block; 41. Heating wire; 42. Heating ring; 51. Side strip; 52. Round hole; 53. Inflow groove; 54. Inflow hole; 55. Outflow hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Reference Figure 1-7As shown: a special-shaped ventilation duct injection mold, including an injection mold upper mold 1, an equalizing injection mechanism 2 is arranged on the top of the injection mold upper mold 1, an injection mold lower mold 11 is arranged on the bottom of the injection mold upper mold 1, a heating mechanism 3 is arranged on one end of the injection mold upper mold 1 and the injection mold lower mold 11, a heating mechanism 4 is arranged on the top end of the equalizing injection mechanism 2, an easy-to-disassemble mechanism 5 is arranged on the inner side of the injection mold upper mold 1, a plurality of connectors 21 are evenly distributed on the top of the equalizing injection mechanism 2, a hose 22 is fixedly connected to the top of the connector 21, and an equalizer 23 is fixedly connected to one end of the hose 22, by installing the equalizing injection mechanism 2 on the top of the injection mold upper mold 1, and connecting the hose 22 to the top of the equalizing injection mechanism 2 through the connector 21, and using the hose 2 2 is connected to an equalizer 23, a connecting pipe 24 is fixedly connected to the side of the equalizer 23, a plurality of connecting ports 25 are opened on the inner side of the equalizing injection mechanism 2 to communicate with the connecting head 21, and the connecting ports 25 are connected to the upper mold groove 17 and the injection hole 18 on the inner side of the upper mold 1 of the injection mold, so that when the special-shaped ventilation pipe is injected, the injection liquid can be connected through the connecting pipe 24, and then the injection liquid is diverted to each hose 22 through the equalizer 23, and then transported to the connecting head 21 through the hose 22 and flows into the inner side of the upper mold groove 17 through the injection hole 18 for uniform injection molding, so that when injecting a long special-shaped ventilation pipe, the equalizing design can be used to improve the average degree of shaping, thereby improving the equalization effect of the wall thickness of the ventilation pipe and improving the quality of the pipe;

[0029] Two access lines 32 are arranged on the side of the heating mechanism 3, and one end of the two access lines 32 is connected to a heating block 33, and the heating blocks 33 are respectively arranged on the outside of the upper mold 1 of the injection mold and the lower mold 11 of the injection mold, and a plurality of heating rings 42 are evenly distributed on the outside of the divider 23. Side strips 51 are connected to both sides of the easy-to-remove mechanism 5, and an inflow groove 53 is provided on the top of the lower mold 11 of the injection mold. By installing the heating mechanism 3 on one end of the upper mold 1 of the injection mold and the lower mold 11 of the injection mold, and installing an electric socket 31 on the side of the heating mechanism 3, the outside of which is also connected to the access line 32, and connected to the upper heating block 33 through the access line 32, the inner side of the heating block 33 is connected to the upper mold 1 of the injection mold and the lower mold 1 of the injection mold 1, and by using a heat conducting rod to penetrate the inner side thereof, the injection liquid pipeline of the upper mold 1 and the lower mold 11 of the injection mold can be partially heated, which is beneficial to make the injection liquid not easy to solidify inside, and at the same time, it is convenient to clean the inside of the pipeline after the molding is successfully demoulded. In addition, the heating mechanism 4 is installed on the side of the divider 23, and a heating ring 42 is arranged on the outer side of the divider 23. The heating mechanism 4 controls the heating ring 42 to heat, thereby realizing the heating treatment of the divider 23 and the injection liquid at the diversion point, which is beneficial to reduce the condensation speed of the injection liquid pipeline, thereby effectively avoiding the blockage. The side strip 51 can facilitate the separation of the pipeline at the side, and the pipeline can be easily taken out after forming.

[0030] like Figure 1 and Figure 2 As shown, a plurality of heat dissipation holes 12 are evenly opened on the top of the injection mold upper mold 1, a plurality of heat dissipation holes 13 are evenly opened on the sides of the injection mold upper mold 1 and the injection mold lower mold 11, and a plurality of heat dissipation grooves 14 are evenly opened at both ends of the injection mold upper mold 1 and the injection mold lower mold 11. By evenly distributing the heat dissipation holes 12 on the top, the heat dissipation holes 13 are evenly distributed on the sides, and the heat dissipation grooves 14 are also distributed at both ends, the effect of heat dissipation and rapid cooling can be provided for the interior during the injection molding process.

[0031] like Figure 1 - Figure 3 As shown, a plurality of mold opening grooves 15 are evenly arranged at the connection between the bottom of the upper mold 1 of the injection mold and the top of the lower mold 11 of the injection mold, and guide rods 16 are fixedly installed at the four corners of the top of the lower mold 11 of the injection mold, and the top of the guide rods 16 movably passes through the top of the upper mold 1 of the injection mold. The mold opening grooves 15 can be quickly separated by prying this part after molding, thereby facilitating the removal of the molded parts, and the upper mold 1 of the injection mold and the lower mold 11 of the injection mold can be aligned by the guide rods 16, which is beneficial to improving the accuracy of the mold.

[0032] like Figure 1 As shown, an upper mold groove 17 is opened on the inner top of the upper mold 1 of the injection mold, and an injection hole 18 is opened through the top of the upper mold groove 17. The injection hole 18 runs through the top of the upper mold 1 of the injection mold, and a lower mold groove 19 is opened on the inner top of the lower mold 11 of the injection mold. The upper mold groove 17 can provide a mold groove for pipe molding, and the upper and lower mold grooves 19 are combined to merge the easily disassembled mechanism 5, thereby facilitating the effective molding of the pipeline, and the injection hole 18 can be connected with the equal injection mechanism 2 to realize the injection of the injection liquid.

[0033] like Figure 1 As shown, a connecting pipe 24 is fixedly connected to one side of the divider 23, and a plurality of connecting ports 25 are evenly penetrated through the top of the equalizing injection mechanism 2. The bottom of the connecting port 25 is connected to the top of the injection hole 18, and the top of the connecting port 25 is connected to the bottom of the connector 21. A sealing ring 26 is provided on the outer wall of the connecting pipe 24. The connecting pipe 24 can provide an effective connection to facilitate the connection between the injection liquid pump and the divider 23. The connecting port 25 can facilitate the connection between the injection hole 18 and the equalizing injection mechanism 2. The sealing ring 26 can provide a sealing connection when the connecting pipe 24 is connected to the pump.

[0034] like Figure 1 and Figure 2As shown, a power socket 31 is fixedly installed on the side of the heating mechanism 3, and a wiring port is opened at one end of the power socket 31. The power socket 31 can provide an effective power connection function, which is convenient for energizing the heating mechanism 3 and realizing the function of electric heating.

[0035] like Figure 1 and Figure 2 As shown, one end of the heating mechanism 4 is fixedly connected to a heating wire 41, and one end of the heating wire 41 is connected to a heating ring 42. The heating wire 41 facilitates power supply between the heating mechanism 4 and the heating ring 42, and also facilitates providing electrical energy for heating the heating ring 42.

[0036] like Figure 1 and Figure 6 As shown, a plurality of circular holes 52 are evenly penetrated on the inner side of the side strip 51, a plurality of inflow holes 54 are evenly penetrated on the top of the inflow groove 53, and a plurality of outflow holes 55 are evenly penetrated on the inner side of the lower mold groove 19. The inflow holes 54 and the outflow holes 55 are interconnected. The circular holes 52 can provide a conveying function, and the inflow holes 54 facilitate the cooperation with the outflow holes 55 to input into the inner side of the lower mold groove 19 for molding.

[0037] In the present invention, when the special-shaped ventilation pipe injection mold is used, firstly, the heat dissipation hole 12 is evenly distributed on the top, the heat dissipation hole 2 13 is evenly distributed on the side, and the heat dissipation groove 14 is also distributed at both ends, so that the internal heat dissipation and rapid cooling effect can be provided during the injection molding process. The mold opening groove 15 can be quickly separated by prying the part after molding, thereby facilitating the removal of the molded part. The upper mold 1 of the injection mold and the lower mold 11 of the injection mold can be aligned by the guide rod 16, which is beneficial to improving the accuracy of the mold. The mold groove for pipe molding can be provided by the upper mold groove 17, and the easy-to-disassemble mechanism 5 is combined with the upper and lower mold grooves 19, thereby facilitating the effective molding of the pipeline. The injection hole 18 can be evenly divided with the injection mechanism 2 The connection realizes the injection of the injection liquid. The equalizing injection mechanism 2 is installed on the top of the upper mold 1 of the injection mold, and a hose 22 is connected to the top of the equalizing injection mechanism 2 through a connector 21, and the upper equalizer 23 is connected by the hose 22. A connecting pipe 24 is fixedly connected to the side of the equalizer 23. A plurality of connecting ports 25 are opened on the inner side of the equalizing injection mechanism 2 to communicate with the connecting port 21, and the connecting port 25 is connected to the upper mold groove 17 and the injection hole 18 on the inner side of the upper mold 1 of the injection mold, so that it is convenient to connect the upper injection liquid through the connecting pipe 24 when the special-shaped ventilation pipe is injected. Then, the injection liquid is diverted to each hose 22 through the equalizer 23, and then transported to the connecting head 21 through the hose 22 and flows into the upper mold groove through the injection hole 18. The inner side of 17 is uniformly injection molded, which is beneficial for injection molding of longer special-shaped ventilation pipes. Its evenly divided design can be used to improve the evenness of the shaping, thereby improving the equalization effect of the ventilation pipe wall thickness. The connecting pipe 24 can provide an effective connection, which is convenient for connecting the injection liquid pump machine with the even divider 23. The connecting port 25 can facilitate the connection between the injection hole 18 and the evenly divided injection mechanism 2. The sealing ring 26 can provide a sealing connection when the connecting pipe 24 is connected to the pump machine. The heating mechanism 3 is installed at one end of the injection mold upper mold 1 and the injection mold lower mold 11, and the side of the heating mechanism 3 is installed with an electric socket 31, and the outside is also connected to an access line 32, and the access line 32 is connected to the heating block 33 to heat The inner side of the heat block 33 is connected to the outer sides of the upper mold 1 of the injection mold and the lower mold 11 of the injection mold, and a heat conducting rod is used to penetrate the inner side thereof to heat the injection liquid pipeline of the upper mold 1 of the injection mold and the lower mold 11 of the injection mold, so as to prevent the injection liquid from solidifying inside and facilitate the cleaning of the inner side of the pipeline after the molding is successfully demoulded. In addition, the heating mechanism 4 is installed on the side of the divider 23, and a heating ring 42 is provided on the outer side of the divider 23. The heating mechanism 4 controls the heating ring 42 to heat, so as to realize the heating treatment of the divider 23 and the injection liquid at the diversion point, which is beneficial to reduce the condensation speed of the injection liquid pipeline, thereby effectively avoiding the blockage. The side strip 51 can facilitate the separation of the pipeline at the side.After the pipe is formed, it can be easily taken out. The power socket 31 can provide an effective power connection function, which is convenient for energizing the heating mechanism 3, thereby realizing the function of electric heating. The heating wire 41 can facilitate the power supply between the heating mechanism 4 and the heating ring 42, and also facilitate the provision of electric energy for heating the heating ring 42. The circular hole 52 can provide a conveying function, and the inflow hole 54 is convenient for cooperating with the upper outflow hole 55 to input the inner side of the lower mold groove 19 for molding.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection mold for a special-shaped ventilation duct, comprising an upper mold of the injection mold, characterized in that: The top of the injection mold upper mold is provided with an equal distribution injection mechanism, the bottom of the injection mold upper mold is provided with an injection mold lower mold, one end of the injection mold upper mold and the injection mold lower mold are provided with a heating mechanism, one end of the top of the equal distribution injection mechanism is provided with a heating mechanism, the inner side of the injection mold upper mold is provided with an easy-to-disassemble mechanism, a plurality of connectors are evenly distributed on the top of the equal distribution injection mechanism, a hose is fixedly connected to the top of the connector, and an equalizer is fixedly connected to one end of the hose; Two access lines are arranged on the side of the heating mechanism, one end of the two access lines is connected to a heating block, and the heating blocks are respectively arranged on the outside of the upper mold and the lower mold of the injection mold. A plurality of heating rings are evenly distributed on the outside of the divider, side strips are connected on both sides of the easily disassembled mechanism, and an inflow groove is opened on the top of the lower mold of the injection mold.

2. The special-shaped ventilation duct injection mold according to claim 1, characterized in that: The top of the injection mold upper mold is evenly provided with a plurality of heat dissipation holes 1, the sides of the injection mold upper mold and the injection mold lower mold are evenly provided with a plurality of heat dissipation holes 2, and both ends of the injection mold upper mold and the injection mold lower mold are evenly provided with a plurality of heat dissipation grooves.

3. The special-shaped ventilation duct injection mold according to claim 1, characterized in that: A plurality of mold opening grooves are evenly arranged at the connection between the bottom of the upper mold of the injection mold and the top of the lower mold of the injection mold. Guide rods are fixedly installed at the four corners of the top of the lower mold of the injection mold, and the top of the guide rods movably penetrates the top of the upper mold of the injection mold.

4. The special-shaped ventilation duct injection mold according to claim 1, characterized in that: An upper mold groove is provided at the inner top of the upper mold of the injection mold, an injection hole is provided through the top of the upper mold groove, and the injection hole passes through the top of the upper mold of the injection mold. A lower mold groove is provided at the inner top of the lower mold of the injection mold.

5. The special-shaped ventilation duct injection mold according to claim 4, characterized in that: A connecting pipe is fixedly connected to one side of the equalizer, and a plurality of connecting ports are evenly penetrated through the top of the equalizing injection mechanism. The bottom of the connecting port is connected to the top of the injection hole, and the top of the connecting port is connected to the bottom of the connector. A sealing ring is provided on the outer wall of the connecting pipe.

6. The special-shaped ventilation duct injection mold according to claim 1, characterized in that: A power socket is fixedly mounted on the side of the heating mechanism, and a wiring port is opened at one end of the power socket.

7. The special-shaped ventilation duct injection mold according to claim 1, characterized in that: One end of the temperature increasing mechanism is fixedly connected with a heating wire, and one end of the heating wire is connected with a heating ring.

8. The special-shaped ventilation duct injection mold according to claim 4, characterized in that: A plurality of circular holes are evenly penetrated through the inner side of the side strip, a plurality of inflow holes are evenly penetrated through the top of the inflow groove, a plurality of outflow holes are evenly penetrated through the inner side of the lower mold groove, and the inflow holes and the outflow holes are interconnected.