CN218462820U - Hot runner injection mold - Google Patents
Hot runner injection mold Download PDFInfo
- Publication number
- CN218462820U CN218462820U CN202222601267.9U CN202222601267U CN218462820U CN 218462820 U CN218462820 U CN 218462820U CN 202222601267 U CN202222601267 U CN 202222601267U CN 218462820 U CN218462820 U CN 218462820U
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- upper die
- hot runner
- die base
- pipe
- mouth
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Abstract
The utility model discloses a hot runner injection mold, including the die holder, still include upper die base and circulation mechanism, the inside circulation mechanism that makes things convenient for the molten feed liquid to flow that is provided with of upper die base, circulation mechanism includes the shunt tubes, the mouth of moulding plastics, communicating pipe, circulating pipe and melting pump, the mouth of moulding plastics is kept away from shunt tubes one side and is provided with communicating pipe that is linked together with the mouth of moulding plastics and communicating pipe one side fixedly connected with outer calandria, the melting pump passes through the circulating pipe, outer calandria and communicating pipe can take out the molten feed liquid of the inside one side of upper die base from moulding plastics the mouth position, and arrange the calandria inside from the circulating pipe of opposite side and outer calandria, realize the circulation of inside molten feed liquid at the shut down in-process, with the heating system cooperation of hot runner, even under long-time shutdown state, also can avoid the inside condition that takes place the molten feed liquid and solidify of hot runner system, keep the state of molten feed liquid.
Description
Technical Field
The utility model relates to an injection mold technical field, in particular to hot runner injection mold.
Background
The injection molding is a method for producing and molding industrial products, the products usually adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into an injection molding die pressing method and a die casting method, and the injection molding method is a main molding process of various plastic and plastic products.
Patent No. CN 217373238U discloses a hot runner injection mold, adopts hot runner assembly's the mode of moulding plastics, can not produce the waste material to can further practice thrift raw and other materials, avoid raw and other materials extravagant, simultaneously the effectual time that fills of moulding plastics that has reduced, thereby reduced the cycle of moulding plastics and promoted injection efficiency.
The existing hot runner injection mold has the following disadvantages when in use: the existing hot runner injection mold can keep the material state in the runner through heating in the non-use state, but after long-time non-use, the material at the position of an injection nozzle is still partially solidified because of being close to the inside of a mold cavity, and therefore, the hot runner injection mold is provided.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a hot runner injection mold, through the circulation mechanism that subassembly such as inlet pipe, shunt tubes, the mouth of moulding plastics, communicating pipe, outer calandria, circulating pipe and melt pump constitute, can realize avoiding solidifying the circulation of melting feed liquid when out of service, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hot runner injection mold, includes the die holder, still includes upper die base and circulation mechanism, the inside circulation mechanism that makes things convenient for the molten feed liquid to flow that is provided with of upper die base, circulation mechanism includes the shunt tubes, moulds plastics the mouth, communicating pipe, circulating pipe and melt pump, moulds plastics the mouth and keeps away from shunt tubes one side and be provided with communicating pipe and communicating pipe one side fixedly connected with outer calandria that is linked together with the mouth of moulding plastics, and upper die base surface one side is installed melt pump and is advanced to arrange the end and all be provided with the circulating pipe.
The fixing mechanism comprises a clamping cover, a hot runner installation groove, a pressing block, a through hole, a threaded hole and a concave hole, the clamping cover is detachably connected to the top of the upper die base, the hot runner installation groove is formed in the upper die base, the flow dividing pipe is installed in the hot runner installation groove, the pressing block corresponding to the position of the hot runner installation groove is integrally formed in the bottom of the clamping cover, and the through hole is formed in the middle of the top of the clamping cover; the inside hot runner mounting groove of seting up of upper die base is used for carrying out the installation of subassemblies such as shunt tubes and the mouth of moulding plastics, the card lid corresponds with the upper die base position, at the shunt tubes, the inlet pipe, the card lid covers after the unit mount such as mouth of moulding plastics is accomplished, it can be together fixed between card lid and the upper die base to make to align and twist the bolt between the screw hole, the briquetting through card lid bottom inserts to the inside and then play the fixed action to the position of subassemblies such as shunt tubes of hot runner mounting groove, convenient follow-up operation of moulding plastics, when dismantling and maintaining, only need open the card lid, can wholly take out hot runner assembly.
Furthermore, a feed pipe of a circulation feeding device is arranged in the upper die base, the tail end of the feed pipe is connected with an injection molding nozzle for injection molding through a shunt pipe, the injection molding nozzles on one side in the upper die base are connected through a communicating pipe, and the communicating pipe is respectively positioned on two sides in the upper die base; connect outside feed equipment through the inlet pipe and carry the feed liquid to each subassembly of moulding plastics through the shunt tubes inside, guarantee through the communicating pipe that is located the upper die base both sides simultaneously that the circulation can be realized to the molten feed liquid.
Furthermore, the tail end of the outer discharge pipe is detachably connected with a joint pipe for pipeline connection, and one end of the circulating pipe, which is far away from the melting pump, is connected with the outer discharge pipe through the joint pipe; the joint pipe plays a role in connection, and the external discharge pipe and the circulating pipe are connected together.
Furthermore, threaded holes corresponding to the positions are formed in the upper die holder and the clamping cover, and concave holes communicated with the threaded holes are formed in the surface of the upper die holder, close to the threaded holes; the screw hole is conveniently twisted the fastener and is fixed, and the fastener protrusion can be avoided to the shrinkage pool.
Furthermore, a lower die base corresponding to the upper die base in position is arranged at the bottom of the upper die base in a matched manner, and the lower die base is matched with the upper die base; the upper die base and the lower die base are matched to carry out die assembly so as to facilitate subsequent injection molding operation.
Compared with the prior art, the utility model discloses following beneficial effect has: the lower die base is matched with the upper die base to perform injection molding production of a workpiece, the interior of the upper die base is connected with external feeding equipment through a feeding pipe, molten material liquid is conveyed by a shunt pipe and then is discharged from an injection nozzle, when the machine is stopped, a melting pump can be started, the melting pump can pump the molten material liquid on one side of the interior of the upper die base out of the injection nozzle through a circulating pipe, an outer discharge pipe and a communicating pipe and discharge the molten material liquid into the shunt pipe from the circulating pipe and the outer discharge pipe on the other side, circulation of the molten material liquid in the interior is realized in the stopping process, the circulation is matched with a heating system of a hot runner, and even in a long-time stopping state, the condition that the molten material liquid is solidified in the hot runner system can be avoided, and the state of the molten material liquid is kept; the inside hot runner mounting groove of seting up of upper die base is used for carrying out the installation of subassemblies such as shunt tubes and injection molding mouth, the card lid corresponds with upper die base position, at the shunt tubes, the inlet pipe, the card lid covers after the unit mount such as injection molding mouth is accomplished, make align between the screw hole and twist the bolt and can be together fixed between card lid and the upper die base, the briquetting through card lid bottom inserts to the inside and then play the fixed action to the position of subassemblies such as shunt tubes of hot runner mounting groove, make things convenient for follow-up operation of moulding plastics, when dismantling the maintenance, only need open the card lid, can wholly take out the hot runner subassembly.
Drawings
Fig. 1 is the utility model relates to a hot runner injection mold's overall structure schematic diagram.
Fig. 2 is the utility model relates to a hot runner injection mold's upper die base inner structure schematic diagram.
Fig. 3 is the utility model relates to a hot runner injection mold's card lid structure sketch map.
In the figure: 1. a lower die holder; 2. an upper die holder; 3. a flow-through mechanism; 301. a feed pipe; 302. A shunt tube; 303. an injection molding nozzle; 304. a communicating pipe; 305. an outer discharge pipe; 306. a joint pipe; 307. a circulation pipe; 308. a melt pump; 4. a fixing mechanism; 401. a cover is clamped; 402. A hot runner mounting groove; 403. pressing into blocks; 404. a through hole; 405. a threaded hole; 406. a concave hole.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a hot runner injection mold, includes die holder 1, still includes upper die holder 2 and circulation mechanism 3, the inside circulation mechanism 3 that makes things convenient for the molten material liquid to flow that is provided with of upper die holder 2, circulation mechanism 3 includes shunt tubes 302, the mouth 303 of moulding plastics, communicating pipe 304, circulating pipe 307 and melt pump 308, and the mouth 303 of moulding plastics keeps away from shunt tubes 302 one side and is provided with communicating pipe 304 and communicating pipe 304 one side fixedly connected with outer calandria 305 that are linked together with the mouth 303 of moulding plastics, and upper die holder 2 surface one side is installed melt pump 308 and the end of advancing and arranging of melt pump 308 and all is provided with circulating pipe 307.
The hot runner mold comprises an upper mold base 2 and a lower mold base 2, and is characterized by further comprising a fixing mechanism 4, wherein the fixing mechanism 4 is detachably connected to the top of the upper mold base 2, the fixing mechanism 4 comprises a clamping cover 401, a hot runner mounting groove 402, a pressing block 403, a through hole 404, a threaded hole 405 and a concave hole 406, the clamping cover 401 is detachably connected to the top of the upper mold base 2, the hot runner mounting groove 402 is formed in the upper mold base 2, the flow dividing pipe 302 is mounted in the hot runner mounting groove 402, the pressing block 403 corresponding to the hot runner mounting groove 402 is integrally formed at the bottom of the clamping cover 401, and the through hole 404 is formed in the middle of the top of the clamping cover 401; inside hot runner mounting groove 402 of seting up of upper die base 2 is used for carrying out shunt tubes 302 and the installation of subassembly such as mouth 303 of moulding plastics, card lid 401 corresponds with 2 positions of upper die base, at shunt tubes 302, inlet pipe 301, cover card lid 401 after the subassembly installation such as mouth 303 of moulding plastics is accomplished, make and align and twist the bolt between the screw hole 405 and can be in the same place between card lid 401 and the upper die base 2, briquetting 403 through card lid 401 bottom inserts to hot runner mounting groove 402 inside and then play the fixed action to the positions of subassembly such as shunt tubes 302, convenient follow-up operation of moulding plastics, when dismantling the maintenance, only need open card lid 401, can wholly take out the hot runner subassembly.
A feed pipe 301 of a circulation feeding device is installed inside the upper die holder 2, the tail end of the feed pipe 301 is connected with an injection molding nozzle 303 for injection molding through a flow dividing pipe 302, the injection molding nozzles 303 on one side inside the upper die holder 2 are connected through communicating pipes 304, and the communicating pipes 304 are respectively positioned on two sides inside the upper die holder 2; the feed pipe 301 is connected with an external feeding device and used for conveying feed liquid to the interior of each injection molding assembly through a shunt pipe 302, and meanwhile, the communicating pipe 304 positioned on two sides of the upper die base 2 is used for ensuring that the molten feed liquid can realize circulation.
The tail end of the external drainage pipe 305 is detachably connected with a joint pipe 306 for pipeline connection, and one end of the circulating pipe 307, which is far away from the melting pump 308, is connected with the external drainage pipe 305 through the joint pipe 306; the connection function is realized through the joint pipe 306, and the external discharge pipe 305 and the circulation pipe 307 are connected together.
Threaded holes 405 corresponding in position are formed in the inner part of the upper die holder 2 and the inner part of the clamping cover 401, and concave holes 406 communicated with the threaded holes 405 are formed in the surface of the upper die holder 2, close to the threaded holes 405; threaded holes 405 facilitate screwing in fasteners for fixation, and recessed holes 406 avoid protruding fasteners.
The bottom of the upper die holder 2 is provided with a lower die holder 1 corresponding to the upper die holder 2 in a matched manner, and the lower die holder 1 is matched with the upper die holder 2; the upper die holder 2 is matched with the lower die holder 1 to carry out die assembly so as to facilitate subsequent injection molding operation.
It should be noted that, the utility model relates to a hot runner injection mold, in use, the production of moulding plastics of work piece is carried out in the cooperation of die holder 1 and upper die base 2, upper die base 2 is inside to be connected outside feeding equipment through inlet pipe 301, the molten material liquid is discharged from injection moulding mouth 303 position after shunt tubes 302's transport, when shutting down, can open melt pump 308, melt pump 308 passes through circulating pipe 307, outer discharge tube 305 and communicating pipe 304 can take out the molten material liquid of one side of upper die base 2 inside from injection moulding mouth 303 position, and discharge into shunt tubes 302 inside from circulating pipe 307 and outer discharge tube 305 of opposite side, realize the circulation of inside molten material liquid in the shut down process, with the heating system cooperation of hot runner, even under the long-time shut down state, can also avoid the inside circumstances that takes place the molten material liquid and solidify of hot runner system, keep the state of molten material liquid; inside hot runner mounting groove 402 of having seted up of upper die base 2 is used for carrying out shunt tubes 302 and the installation of subassembly such as mouth 303 of moulding plastics, card lid 401 corresponds with 2 positions of upper die base, at shunt tubes 302, inlet pipe 301, cover card lid 401 after the subassembly such as mouth 303 of moulding plastics is accomplished, make to align between the screw hole 405 and twist the bolt and can be in the same place between card lid 401 and the upper die base 2, briquetting 403 through card lid 401 bottom inserts to hot runner mounting groove 402 inside and then play the fixed action to the position of subassembly such as shunt tubes 302, convenient follow-up operation of moulding plastics, when dismantling the maintenance, only need open card lid 401, can wholly take out the hot runner subassembly.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a hot runner injection mold, includes die holder (1), its characterized in that still includes upper die base (2) and circulation mechanism (3), upper die base (2) inside is provided with circulation mechanism (3) that makes things convenient for the molten feed liquid to flow, circulation mechanism (3) are including shunt tubes (302), injection molding mouth (303), communicating pipe (304), circulating pipe (307) and melt pump (308), and injection molding mouth (303) are kept away from shunt tubes (302) one side and are provided with communicating pipe (304) and communicating pipe (304) one side fixedly connected with outer calandria (305) that are linked together with injection molding mouth (303), and melt pump (308) end of advancing are all provided with circulating pipe (307) to upper die base (2) surface one side.
2. A hot runner injection mold, as claimed in claim 1, wherein: still include fixed establishment (4), upper die base (2) top can be dismantled and be connected with fixed establishment (4), fixed establishment (4) are including card lid (401), hot runner mounting groove (402), briquetting (403), through-hole (404), screw hole (405) and shrinkage pool (406), upper die base (2) top can be dismantled and be connected with card lid (401), and inside hot runner mounting groove (402) and shunt tubes (302) of having seted up of upper die base (2) are installed inside hot runner mounting groove (402), and card lid (401) bottom integrated into one piece has briquetting (403) and card lid (401) top intermediate position that correspond with hot runner mounting groove (402) position and has seted up through-hole (404).
3. A hot runner injection mold, as claimed in claim 1, wherein: upper die base (2) internally mounted has inlet pipe (301) and inlet pipe (301) end of circulation feeding equipment to be connected with the mouth (303) of moulding plastics through shunt tubes (302), mould plastics through communicating pipe (304) between mouth (303) and be connected and communicating pipe (304) are located upper die base (2) inside both sides respectively in upper die base (2) inside one side of upper die base (2).
4. The hot runner injection mold of claim 1, wherein: the tail end of the outer discharge pipe (305) is detachably connected with a joint pipe (306) for pipeline connection, and one end, far away from the melting pump (308), of the circulating pipe (307) is connected with the outer discharge pipe (305) through the joint pipe (306).
5. A hot runner injection mold as claimed in claim 2 wherein: the inside screw hole (405) that the position corresponds all seted up with card lid (401) inside of upper die base (2), shrinkage pool (406) with screw hole (405) UNICOM is seted up near screw hole (405) position on upper die base (2) surface.
6. The hot runner injection mold of claim 1, wherein: the bottom of the upper die holder (2) is provided with a lower die holder (1) corresponding to the upper die holder (2) in position in a matching manner, and the lower die holder (1) is matched with the upper die holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222601267.9U CN218462820U (en) | 2022-09-30 | 2022-09-30 | Hot runner injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222601267.9U CN218462820U (en) | 2022-09-30 | 2022-09-30 | Hot runner injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218462820U true CN218462820U (en) | 2023-02-10 |
Family
ID=85143491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222601267.9U Active CN218462820U (en) | 2022-09-30 | 2022-09-30 | Hot runner injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218462820U (en) |
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2022
- 2022-09-30 CN CN202222601267.9U patent/CN218462820U/en active Active
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