CN216230477U

CN216230477U - Injection mold is used in production of high-quality PE pipeline

Info

Publication number: CN216230477U
Application number: CN202121987282.0U
Authority: CN
Inventors: 罗升均
Original assignee: Shandong Baishitong Plastic Products Co ltd
Current assignee: Shandong Baishitong Plastic Products Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-04-08
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of PE pipelines and discloses an injection mold for producing a high-quality PE pipeline. This injection mold is used in production of high-quality PE pipeline, all be connected with the pipe of moulding plastics through the induction pipe both ends, be convenient for evenly mould plastics to the PE pipeline, drive the catch bar through the motor, make the cock body remove in the pipe of moulding plastics, be convenient for make among the polyethylene enters into injection mold, multiunit connecting pipe through setting up, divide the multistage to mould plastics to the PE pipe, make injection moulding's PE pipe thickness more even, through the valve block on stopping annotating the valve, adjust the input of every group connecting pipe, thereby solved and only moulded plastics through two sets of injection holes because of PE pipe overlength, the problem of the unable even distribution of polyethylene just cools off the solid type in the mould easily.

Description

Injection mold is used in production of high-quality PE pipeline

Technical Field

The utility model relates to the technical field of PE pipelines, in particular to an injection mold for producing a high-quality PE pipeline.

Background

The PE is polyethylene, the application range of a common PE pipe water supply pipeline is lower than forty ℃, the PE pipe cannot be used for a hot water conveying pipeline, and the PE pipe is a nonpolar thermoplastic resin with high crystallinity. The appearance of the original HDPE is milky white, the micro-thin section is semitransparent to a certain degree, PE has the excellent characteristic of resisting most of domestic and industrial chemicals, and is generally produced by an injection mold, namely polyethylene is heated and melted and then injected into the mold, and the polyethylene is cooled and solidified in the mold and then is changed into a pipeline shape to form a polyethylene pipeline. Therefore, further research needs to be conducted on an injection mold to provide a high-quality injection mold for producing PE pipes.

Chinese patent publication No. CN211467271U provides an injection mold for production of high-quality PE pipeline, belongs to PE pipeline technical field, including support plate, ac motor, high-speed bearing, dwang, bracing piece, backing plate, inner tube, butt joint ring, urceolus, reinforcing ring, sliding ring, baffle, screw thread ring, threaded rod, screw thread bayonet catch and block rubber, the top of support plate is provided with ac motor through the branch welding, the top of support plate is provided with two high-speed bearings through the branch welding, high-speed bearing's centre is all run through by the dwang activity. The rotating rod can drive the outer cylinder and the inner cylinder to rotate at a high speed, polyethylene between the inner cylinder and the outer cylinder is stirred by centrifugal force, the polyethylene is uniformly distributed between the inner cylinder and the outer cylinder, further the flatness of a polyethylene formed pipe is greatly improved, meanwhile, the inner cylinder and the outer cylinder rotate at a high speed, heat of the inner cylinder and the outer cylinder can be quickly taken away by air, and the polyethylene cooling device has the advantages of high cooling efficiency, high polyethylene forming speed, high production efficiency and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an injection mold for producing a high-quality PE pipeline, which solves the problem that polyethylene cannot be uniformly distributed in the mold and is cooled and solidified easily because a PE pipe is overlong and is injected through two groups of injection molding holes.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold for producing a high-quality PE pipeline comprises a bottom support plate, wherein the top of the bottom support plate is fixedly connected with the bottom of a motor, the outer surface of the output end of the motor is fixedly connected with the inner wall of a first gear, the top end of the first gear is meshed with the bottom end of a second gear, the outer surface of the second gear is fixedly connected with the outer surface of a rotating shaft, the outer surface of the left end of the rotating shaft is fixedly connected with the inner wall of the rear end of the rotating shaft, the front end of the rotating shaft is rotatably connected with the front end of a push rod through a group of connecting shafts, the rear end of the push rod is rotatably connected with the front end of a connecting piece through another group of connecting shafts, the back surface of the connecting piece is fixedly connected with the front surface of a fixed rod, the back surface of the fixed rod is fixedly connected with the front surface of a plug body, the outer surface of the plug body is contacted with the inner wall of an injection molding conduit, the bottom of the injection molding conduit is fixedly connected with the top of a support frame, and the front surface of the bottom support plate is fixedly connected with the back surface of the bottom support plate, the injection molding guide pipe right side face is communicated with the left end of the connecting pipe, the right end of the connecting pipe is communicated with the left end of the stop injection valve, the inner side face of the stop injection valve is fixedly connected with the outer surface of an outer mold, the inner wall of the stop injection valve is in contact with the outer surface of the valve block, the inner wall of the outer mold is in contact with the outer surface of the stop ring, and the inner side face of the stop ring is in contact with the outer surface of the inner mold.

Preferably, the left side and the right side of the outer die are uniformly distributed with a plurality of groups of connecting pipes, and the connecting pipes on the two sides are respectively communicated with the two groups of injection molding guide pipes.

Preferably, a stop valve is arranged at the joint of the connecting pipe and the outer die, and an arc valve plate is arranged inside the stop valve.

Preferably, the fixing bolt passes through the outer die and the blocking ring to be fixed with the inner die.

Preferably, the two ends of the rotating shaft are both connected with rotating rods, and the rotating shaft is fixed with the bottom supporting plate through two groups of supporting rods.

Preferably, the tops of the two groups of injection molding guide pipes are respectively communicated with the left end and the right end of the inlet pipe through two groups of communicating pipes.

(III) advantageous effects

Compared with the prior art, the utility model provides an injection mold for producing a high-quality PE pipeline, which has the following beneficial effects:

1. this injection mold is used in production of high-quality PE pipeline, all be connected with the pipe of moulding plastics through the induction pipe both ends, be convenient for evenly mould plastics to the PE pipeline, drive the catch bar through the motor, make the cock body remove in the pipe of moulding plastics, be convenient for make among the polyethylene enters into injection mold, multiunit connecting pipe through setting up, divide the multistage to mould plastics to the PE pipe, make injection moulding's PE pipe thickness more even, through the valve block on stopping annotating the valve, adjust the input of every group connecting pipe, thereby solved and only moulded plastics through two sets of injection holes because of PE pipe overlength, the problem of the unable even distribution of polyethylene just cools off the solid type in the mould easily.

2. This injection mold is used in production of high-quality PE pipeline, there are the multiunit connecting pipe through outer mould left and right sides evenly distributed, both sides connecting pipe communicates with two sets of pipes of moulding plastics respectively, be convenient for evenly mould plastics, be provided with the valve of stopping annotating through connecting pipe and outer mould junction, the valve inside is provided with the arc valve block of stopping annotating, the volume of moulding plastics of being convenient for adjust, it is fixed with the inner mold to pass outer mould and barrier ring through the gim peg, the fixed inner mold of being convenient for, all be connected with the dwang through the pivot both ends, the pivot is fixed with the bottom plate through two sets of bracing pieces, be convenient for promote the both sides cock body and remove in the pipe of moulding plastics.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the stop valve structure of the present invention.

In the figure: 1. a bottom pallet; 2. a support frame; 3. injection molding a conduit; 4. an introducing pipe; 5. a connecting pipe; 6. an outer mold; 7. a stop valve; 8. a valve plate; 9. a blocking ring; 10. a fixing bolt; 11. a motor; 12. a first gear; 13. a second gear; 14. a rotating shaft; 15. a support bar; 16. rotating the rod; 17. a connecting shaft; 18. a push rod; 19. a connecting member; 20. fixing the rod; 21. a plug body; 22. and (4) an inner die.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an injection mold for producing a high-quality PE pipeline comprises a bottom supporting plate 1, wherein the top of the bottom supporting plate 1 is fixedly connected with the bottom of a motor 11, the outer surface of the output end of the motor 11 is fixedly connected with the inner wall of a first gear 12, the top end of the first gear 12 is meshed with the bottom end of a second gear 13, the inner wall of the second gear 13 is fixedly connected with the outer surface of a rotating shaft 14, the outer surface of the left end of the rotating shaft 14 is fixedly connected with the inner wall of the rear end of a rotating rod 16, the front end of the rotating rod 16 is rotatably connected with the front end of a push rod 18 through a group of connecting shafts 17, the rear end of the push rod 18 is rotatably connected with the front end of a connecting piece 19 through another group of connecting shafts 17, the back surface of the connecting piece 19 is fixedly connected with the front surface of a fixed rod 20, the back surface of the fixed rod 20 is fixedly connected with the front surface of a plug body 21, the outer surface of the plug body 21 is contacted with the inner wall of an injection conduit 3, the bottom of the injection conduit 3 is fixedly connected with the top of a supporting frame 2, the front surface of the supporting frame is fixedly connected with the bottom supporting plate 1, the right side face of the injection molding guide pipe 3 is communicated with the left end of a connecting pipe 5, the right end of the connecting pipe 5 is communicated with the left end of an injection stopping valve 7, the inner side face of the injection stopping valve 7 is fixedly connected with the outer surface of an outer mold 6, the inner wall of the injection stopping valve 7 is contacted with the outer surface of a valve block 8, the inner wall of the outer mold 6 is contacted with the outer surface of a stop ring 9, and the inner side face of the stop ring 9 is contacted with the outer surface of an inner mold 22.

Specifically, for the convenience of evenly moulding plastics, the 6 left and right sides evenly distributed of outer mould has multiunit connecting pipe 5, and both sides connecting pipe 5 communicates with two sets of pipes 3 of moulding plastics respectively, avoids the PE pipe overlength, and the material of moulding plastics when moulding plastics from both ends is solid type, reduces the time of moulding plastics.

Specifically, in order to adjust the injection molding amount, an injection stop valve 7 is arranged at the joint of the connecting pipe 5 and the outer mold 6, an arc-shaped valve plate 8 is arranged inside the injection stop valve 7, and the material injection amount of each section of PE pipe is adjusted according to the injection molding condition.

Specifically, in order to fix the inner mold 22, the fixing bolt 10 penetrates through the outer mold 6 and the stop ring 9 to be fixed with the inner mold 22, so that leakage of injection molding materials during injection molding is avoided.

Specifically, in order to facilitate pushing the plug bodies 21 on the two sides to move in the injection molding guide tube 3, the two ends of the rotating shaft 14 are both connected with rotating rods 16, and the rotating shaft 14 is fixed with the bottom support plate 1 through two groups of supporting rods 15 to push the injection molding materials in the injection molding guide tubes 3 on the two sides to uniformly enter an injection mold.

Specifically, in order to facilitate the injection of polyethylene into the two injection molding conduits 3, the tops of the two injection molding conduits 3 are respectively communicated with the left end and the right end of the inlet pipe 4 through two communicating pipes, so that the injection amount of the two injection molding conduits 3 is the same.

The working principle is as follows: in the pipe 3 of moulding plastics that the leading-in pipe 4 is connected with the leading-in both ends of polyethylene, open motor 11 and drive pivot 14 and rotate, catch bar 18 promotes cock body 21, makes cock body 21 remove in the pipe 3 of moulding plastics, simultaneously according to injection quantity adjusting valve block 8, polyethylene passes through the connecting pipe 5 of both sides, divides the multistage injection mold into and moulds plastics, makes injection moulding's PE pipe thickness more even, after the completion of moulding plastics, opens barrier ring 9 and takes out tubular product.

In conclusion, the injection mold for producing the high-quality PE pipeline is convenient for evenly injecting the PE pipeline by connecting the injection guide pipes 3 with the two ends of the lead-in pipe 4, the push rod 18 is driven by the motor 11 to move the plug body 21 in the injection guide pipes 3, so that the polyethylene can enter the injection mold, the PE pipeline is injected in multiple sections by the multiple groups of connecting pipes 5, so that the thickness of the injection molded PE pipeline is more uniform, the injection amount of each group of connecting pipes 5 is adjusted by the valve block 8 on the stop injection valve 7, thereby solving the problem that the polyethylene cannot be evenly distributed in the mold to cool and fix the polyethylene due to the fact that the PE pipeline is overlong and is injected by only two groups of injection holes, the multiple groups of connecting pipes 5 are evenly distributed on the left side and the right side of the outer mold 6, the connecting pipes 5 on the two sides are respectively communicated with the two groups of injection guide pipes 3, so that the injection molding can be evenly performed, the stop injection valve 7 is arranged at the joint of the connecting pipe 5 and the outer mold 6, the stop injection valve 7 is internally provided with an arc valve plate 8, so that the injection amount can be conveniently adjusted, the fixed bolt 10 penetrates through the outer die 6 and the stop ring 9 to be fixed with the inner die 22, the inner die 22 can be conveniently fixed, the two ends of the rotating shaft 14 are both connected with rotating rods 16, the rotating shaft 14 is fixed with the bottom support plate 1 through two sets of supporting rods 15, and the two side plug bodies 21 can be conveniently pushed to move in the injection guide pipe 3.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold is used in production of high-quality PE pipeline, includes bottom plate (1), its characterized in that: bottom suspension layer board (1) top and motor (11) bottom fixed connection, motor (11) output end surface and gear one (12) inner wall fixed connection, gear one (12) top and two (13) bottom meshing of gear, two (13) inner walls of gear and pivot (14) outer fixed connection, pivot (14) left end surface and dwang (16) rear end inner wall fixed connection, dwang (16) front end is rotated with catch bar (18) front end through a set of connecting axle (17) and is connected, catch bar (18) rear end is rotated with connecting piece (19) front end through another set of connecting axle (17) and is connected, connecting piece (19) back and dead lever (20) front fixed connection, dead lever (20) back and cock body (21) front fixed connection, cock body (21) surface contacts with pipe (3) inner wall of moulding plastics, the utility model discloses a mould plastics pipe (3) bottom and support frame (2) top fixed connection, support frame (2) openly with bottom plate (1) back fixed connection, pipe (3) right flank of moulding plastics communicates with connecting pipe (5) left end, connecting pipe (5) right-hand member communicates with stop annotating valve (7) left end, stop annotating valve (7) medial surface and outer mould (6) surface fixed connection, stop annotating valve (7) inner wall and valve block (8) surface and contact, outer mould (6) inner wall and stop ring (9) surface and contact, stop ring (9) medial surface and inner mould (22) surface and contact.

2. The injection mold for producing the high-quality PE pipe according to claim 1, wherein: the left side and the right side of the outer mold (6) are uniformly distributed with a plurality of groups of connecting pipes (5), and the connecting pipes (5) on the two sides are respectively communicated with the two groups of injection molding guide pipes (3).

3. The injection mold for producing the high-quality PE pipe according to claim 1, wherein: the connection part of the connecting pipe (5) and the outer die (6) is provided with an injection stopping valve (7), and an arc valve plate (8) is arranged inside the injection stopping valve (7).

4. The injection mold for producing the high-quality PE pipe according to claim 1, wherein: the fixing bolt (10) passes through the outer die (6) and the stop ring (9) to be fixed with the inner die (22).

5. The injection mold for producing the high-quality PE pipe according to claim 1, wherein: the utility model discloses a rotary shaft, including pivot (14), pivot board (1), pivot (14) both ends all are connected with dwang (16), pivot (14) are fixed through two sets of bracing pieces (15) and bottom plate (1).

6. The injection mold for producing the high-quality PE pipe according to claim 2, wherein: the tops of the two groups of injection molding guide pipes (3) are respectively communicated with the left end and the right end of the inlet pipe (4) through two groups of communicating pipes.