CN216860521U - Improved extrusion device for polyethylene pipes - Google Patents
Improved extrusion device for polyethylene pipes Download PDFInfo
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- CN216860521U CN216860521U CN202220038188.9U CN202220038188U CN216860521U CN 216860521 U CN216860521 U CN 216860521U CN 202220038188 U CN202220038188 U CN 202220038188U CN 216860521 U CN216860521 U CN 216860521U
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Abstract
The utility model discloses an improved polyethylene pipe extruding device, which relates to the technical field of plastic pipe processing equipment and comprises an extruder main body, a cooling mechanism and a blanking mechanism, wherein the polyethylene pipe main body is inserted into one side of the extruder main body in a sliding manner, the cooling mechanism comprises a cooling frame, two rotating shafts, two rotating discs, two servo motors, two fixed shafts, two rotating parts, two pistons, two fixed seats, two air inlets, two mounting seats, two plugging plates and six air blowing holes, the cooling frame is fixedly connected to one side of the extruder main body, and one end of the polyethylene pipe main body is inserted into the cooling frame in a sliding manner and extends out of the cooling frame. According to the utility model, the problem that the pipe is easy to bend due to natural cooling caused by the fact that most of the existing pipe extrusion devices are not provided with cooling devices is solved, the effect of blowing external air on the surface of the pipe by utilizing negative pressure is realized, and the solidification rate of polyethylene molten liquid in the feeding barrel can be delayed.
Description
Technical Field
The utility model relates to the technical field of plastic pipe processing instruments, in particular to an improved extrusion device for a polyethylene pipe.
Background
Polyethylene pipe is also known as high density polyethylene. Polyethylene is a highly crystalline, non-polar thermoplastic resin. The original polyethylene is milk white in appearance, and is semitransparent to a certain extent on a micro-thin section. PE has excellent resistance to most domestic and industrial chemicals. Certain classes of chemicals cause chemical corrosion, such as corrosive oxidants (concentrated nitric acid), aromatic hydrocarbons (xylene) and halogenated hydrocarbons (carbon tetrachloride). The polymers are non-hygroscopic and have good resistance to water vapor and can be used for packaging applications. Polyethylene has very good electrical properties, especially high dielectric strength, making it very suitable for wire and cable. Medium to high molecular weight grades have excellent impact resistance, even at low temperatures of-40F at ambient temperature.
But the used extrusion device of current polyethylene tubular product processing's structure is more complicated, need pull down its panel when overhauing the extruder body usually, and whole process not only very spends time like this, still can influence the production efficiency of plastic pipe simultaneously.
The prior patent (publication number: CN213382858U) discloses a high-efficiency extrusion device for plastic pipe production, which has the characteristics of reasonable structure and convenient use, the maintenance of an extruder body can be more convenient through the mutual matching between an arranged access door and a discharge pipe, and the raw materials in a charging hopper can be discharged through the discharge pipe during the maintenance, so that the pollution to the raw materials in the charging hopper in the maintenance process is avoided.
However, the efficient extrusion device for plastic pipe production has some disadvantages in practical application: the utility model provides a do not be provided with tubular product cooling structure in the above-mentioned scheme, rely on natural cooling, because the polyethylene tubular product is comparatively soft after extruding, including tubular product is in unsettled state, so the problem of bending appears very easily in long-time cooling, not only influence the production quality of tubular product, still increase manufacturing cost, and the tubular product extrusion device of above-mentioned design, be provided with in the feeder hopper above that and prevent blockking up the mechanism, because polyethylene has the stickness under high temperature molten state, long-time stewing probably solidifies and is stained with and attaches to the feeder hopper inner wall, thereby unable normal unloading, for this reason, we have designed a polyethylene tubular product improved generation extrusion device and have been used for solving the above-mentioned problem that appears.
SUMMERY OF THE UTILITY MODEL
The utility model provides an improved extrusion device for polyethylene pipes, which solves the problem that the pipes are easy to bend due to natural cooling in the conventional pipe extrusion device, realizes the effect of accelerated cooling, and can delay the solidification rate of polyethylene melt in a feeding barrel.
In order to solve the technical problems, the utility model provides an improved extrusion device for polyethylene pipes, which comprises an extruder main body, a cooling mechanism and a blanking mechanism, wherein the polyethylene pipe main body is inserted into one side of the extruder main body in a sliding manner;
the cooling mechanism comprises a cooling frame, two rotating shafts, two turntables, two servo motors, two fixed shafts, two rotating parts, two pistons, two fixed seats, two air inlets, two mounting seats, two plugging plates and six air blowing holes, the cooling frame is fixedly connected to one side of the extruder body, one end of the polyethylene pipe body is inserted in the cooling frame in a sliding mode and extends out of the cooling frame, two mounting cavities are symmetrically arranged in the cooling frame, the two rotating shafts are respectively and rotatably connected into the two mounting cavities, the two turntables are respectively and fixedly sleeved on the two rotating shafts, the two servo motors are symmetrically and fixedly connected to the rear side of the cooling frame, a driving shaft of each servo motor is in transmission connection with one end of each rotating shaft, the two fixed shafts are respectively and fixedly connected to the front sides of the two turntables, and the two rotating parts are respectively and rotatably sleeved on the two fixed shafts, the two pistons are respectively connected in the two mounting cavities in a sliding manner, the two fixing seats are respectively fixedly connected to one sides of the two pistons, the other side of the rotating piece is rotatably connected in the fixing seats, the two air inlets are symmetrically arranged on one side of the cooling frame, the two mounting seats are respectively fixedly connected to the tops of the two air inlets, the two blocking plates are respectively rotatably connected in the two mounting seats, the six air blowing holes are symmetrically arranged in the cooling frame and communicated with the mounting cavities, the two rotating shafts drive the two rotating discs to simultaneously rotate by simultaneously starting the two servo motors, so that the two rotating pieces pull the two pistons to horizontally move leftwards in the mounting cavities, in the process, air outside the cooling frame pushes the blocking plates to enter the mounting cavities, and then the servo motors are controlled to rotate the rotating shafts, so that the pistons horizontally slide rightwards in the mounting cavities, the absorbed wind is blown to the surface of the polyethylene pipe main body through the blowing holes, so that the air flow is accelerated, and cooling can be performed.
Preferably, the blanking mechanism comprises a blanking cylinder, a transmission shaft, a transmission member, a driving motor, two scraping plates and two supporting springs, the blanking cylinder is fixedly connected to one side of the top of the extruder body, the transmission shaft is rotatably connected in the blanking cylinder, the transmission member is fixedly sleeved on the transmission shaft, fixing grooves are formed in two sides of the transmission member, the two scraping plates are respectively and slidably connected in the two fixing grooves, the other end of each scraping plate abuts against the inner wall of the blanking cylinder, the opposite ends of the two supporting springs are respectively and fixedly connected to the opposite sides of the two scraping plates, the opposite ends of the two supporting springs are respectively and fixedly connected in the two fixing grooves, the driving motor is fixedly connected to the rear side of the blanking cylinder, the driving shaft of the driving motor is in transmission connection with one end of the transmission shaft, and the transmission shaft drives the transmission member to rotate by opening the driving motor, in the process, the support spring pushes the scraper to enable the scraper to be always abutted against the inner wall of the lower charging barrel, so that polyethylene attached to the inner wall of the lower charging barrel can be scraped, the polyethylene can be stirred, and the polyethylene solidification is delayed.
Preferably, integrated into one piece has protruding edge in the air inlet, protruding edge offsets with one side of shutoff board, through setting up protruding edge, can carry on spacingly to the rotation of shutoff board, prevents to absorb the air of going into the installation intracavity and passes through the air inlet and discharge.
Preferably, the top of the feeding barrel is fixedly inserted with a feeding hopper, so that the feeding amount can be increased, and the feeding efficiency is accelerated.
Preferably, an observation window is arranged on the front side of the extruder main body, observation glass is arranged in the observation window, and the processing process in the extruder main body can be clearly seen through the observation window.
Preferably, the front side of extruder main part is provided with the control electronic box, the equal electric connection of control electronic box and servo motor and driving motor can make things convenient for personnel to control servo motor, driving motor.
Preferably, four corners of the bottom of the extruder main body are fixedly connected with supporting legs.
Preferably, both sides of the transmission member are fixedly connected with sealing rings, and the sealing rings are movably sleeved on the scraper.
Compared with the related art, the improved extrusion device for the polyethylene pipe provided by the utility model has the following beneficial effects:
1. according to the utility model, two servo motors are simultaneously started to drive two rotating discs to rotate simultaneously, so that two rotating pieces pull two pistons to horizontally move leftwards in the installation cavity, in the process, the external wind of the cooling frame pushes the blocking plate and enters the installation cavity, then the servo motors are controlled to rotate the rotating shafts, so that the pistons horizontally slide rightwards in the installation cavity, and the absorbed wind is blown to the surface of the polyethylene pipe main body through the blowing holes.
2. According to the utility model, the driving motor is started to drive the transmission part to rotate, in the process, the support spring pushes the scraper plate to enable the scraper plate to be always abutted against the inner wall of the lower charging barrel, so that polyethylene attached to the inner wall of the lower charging barrel can be scraped, the polyethylene can be stirred, the polyethylene solidification is delayed, the rotation of the plugging plate can be limited by arranging the convex edge, and air absorbed into the mounting cavity is prevented from being discharged through the air inlet.
Drawings
FIG. 1 is a schematic view of the external structure of an improved extrusion device for polyethylene pipe;
FIG. 2 is a schematic diagram of the internal structure of a cooling frame of an improved extrusion device for polyethylene pipes;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a schematic diagram of the internal structure of a charging barrel of an improved polyethylene pipe extrusion device.
Reference numbers in the figures: 1. an extruder body; 2. a polyethylene pipe body; 3. a cooling rack; 4. a rotating shaft; 5. a turntable; 6. a servo motor; 7. a fixed shaft; 8. a rotating member; 9. a piston; 10. a fixed seat; 11. a gas blowing hole; 12. an air inlet; 13. a mounting seat; 14. a plugging plate; 15. feeding the material barrel; 16. a drive shaft; 17. a transmission member; 18. a squeegee; 19. a support spring; 20. the motor is driven.
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.
In the first embodiment, as shown in fig. 1 to 4, an improved extrusion device for polyethylene pipes comprises an extruder body 1, a cooling mechanism and a blanking mechanism, wherein a polyethylene pipe body 2 is inserted into one side of the extruder body 1 in a sliding manner;
the cooling mechanism comprises a cooling frame 3, two rotating shafts 4, two turntables 5, two servo motors 6, two fixed shafts 7, two rotating parts 8, two pistons 9, two fixed seats 10, two air inlets 12, two mounting seats 13, two plugging plates 14 and six air blowing holes 11, wherein the cooling frame 3 is fixedly connected to one side of the extruder main body 1, one end of a polyethylene pipe main body 2 is inserted in the cooling frame 3 in a sliding manner and extends out of the cooling frame 3, two mounting cavities are symmetrically arranged in the cooling frame 3, the two rotating shafts 4 are respectively and rotatably connected in the two mounting cavities, the two turntables 5 are respectively and fixedly sleeved on the two rotating shafts 4, the two servo motors 6 are symmetrically and fixedly connected to the rear side of the cooling frame 3, a driving shaft of the servo motor 6 is in transmission connection with one end of the rotating shafts 4, the two fixed shafts 7 are respectively and fixedly connected to the front sides of the two turntables 5, two rotating parts 8 are respectively rotatably sleeved on the two fixed shafts 7, the two pistons 9 are respectively connected in the two mounting cavities in a sliding manner, the two fixed seats 10 are respectively fixedly connected to one sides of the two pistons 9, the other side of the rotating part 8 is rotatably connected in the fixed seats 10, the two air inlets 12 are symmetrically arranged on one side of the cooling frame 3, the two mounting seats 13 are respectively fixedly connected to the tops of the two air inlets 12, the two blocking plates 14 are respectively rotatably connected in the two mounting seats 13, the six air blowing holes 11 are symmetrically arranged in the cooling frame 3, the air blowing holes 11 are communicated with the mounting cavities, the two rotating shafts 4 drive the two rotating discs 5 to simultaneously rotate by simultaneously starting the two servo motors 6, so that the two rotating parts 8 drive the two pistons 9 to horizontally move leftwards in the mounting cavities, in the process, the air outside the cooling frame 3 pushes the blocking plates 14 and enters the mounting cavities, then, the servo motor 6 is controlled to rotate the rotating shaft 4, so that the piston 9 horizontally slides rightwards in the installation cavity, and the absorbed air is blown to the surface of the polyethylene pipe main body 2 through the air blowing hole 11, and cooling can be performed.
In this embodiment: the servo motor 6 adopts a motor of a model Y100L-2.
In the second embodiment, on the basis of the first embodiment, the blanking mechanism includes a blanking barrel 15, a transmission shaft 16, a transmission member 17, a driving motor 20, two scrapers 18 and two supporting springs 19, the blanking barrel 15 is fixedly connected to one side of the top of the extruder body 1, the transmission shaft 16 is rotatably connected to the blanking barrel 15, the transmission member 17 is fixedly sleeved on the transmission shaft 16, fixing grooves are respectively formed on two sides of the transmission member 17, the two scrapers 18 are respectively slidably connected to the two fixing grooves, the other end of each scraper 18 abuts against the inner wall of the blanking barrel 15, the opposite ends of the two supporting springs 19 are respectively fixedly connected to the opposite sides of the two scrapers 18, the opposite ends of the two supporting springs 19 are respectively fixedly connected to the two fixing grooves, the driving motor 20 is fixedly connected to the rear side of the blanking barrel 15, the driving shaft of the driving motor 20 is in transmission connection with one end of the transmission shaft 16, and by opening the driving motor 20, the transmission shaft 16 drives the transmission part 17 to rotate, and in the process, the support spring 19 pushes the scraper 18 to enable the scraper 18 to be always abutted against the inner wall of the feeding barrel 15, so that polyethylene attached to the inner wall of the feeding barrel 15 can be scraped, the polyethylene can be stirred, and the polyethylene solidification is delayed.
In this embodiment: the driving motor 20 is a Y112M-2 motor.
In the third embodiment, on the basis of the first embodiment, a convex edge is integrally formed in the air inlet 12, the convex edge abuts against one side of the blocking plate 14, and the rotation of the blocking plate 14 can be limited by arranging the convex edge, so that air absorbed into the mounting cavity is prevented from being discharged through the air inlet 12.
In the fourth embodiment, on the basis of the second embodiment, the feed hopper is fixedly inserted into the top of the lower feed cylinder 15, so that the feeding amount can be increased, and the feeding efficiency is accelerated.
In the fifth embodiment, in addition to the first embodiment, an observation window is provided on the front side of the extruder body 1, and an observation glass is provided in the observation window, so that the processing progress in the extruder body 1 can be clearly seen through the observation window.
Sixth embodiment, on the basis of second embodiment, the front side of extruder main part 1 is provided with the control electronic box, and the control electronic box is all electrically connected with servo motor 6 and driving motor 20, can make things convenient for personnel to control servo motor 6, driving motor 20.
Seventh embodiment, on the basis of the first embodiment, four corners of the bottom of the extruder body 1 are fixedly connected with supporting legs.
Eighth embodiment, on the basis of second embodiment, the both sides of driving medium 17 all fixedly connected with sealing washer, and the sealing washer activity cup joints on scraper blade 18.
The working principle is as follows:
when cooling of the pipe is required:
the first step is as follows: firstly, two servo motors 6 are started simultaneously, so that two rotating shafts 4 drive two rotating discs 5 to rotate simultaneously, and two rotating parts 8 pull two pistons 9 to horizontally move leftwards in a mounting cavity;
the second step: in the process, the external wind of the cooling frame 3 pushes the unsealing plate 14 and enters the installation cavity;
the third step: and finally, controlling the servo motor 6 to enable the rotating shaft 4 to rotate, enabling the piston 9 to horizontally slide rightwards in the installation cavity, blowing the absorbed wind on the surface of the polyethylene pipe main body 2 through the blowing hole 11, and cooling the blocking plate 14 due to the fact that the blocking plate cannot rotate along the convex edge in the process.
When it is desired to retard the solidification of the polyethylene melt:
the driving motor 20 is started firstly, so that the transmission shaft 16 drives the transmission part 17 to rotate, and in the process, the supporting spring 19 pushes the scraper 18 to enable the scraper 18 to be always abutted against the inner wall of the blanking barrel 15, so that polyethylene attached to the inner wall of the blanking barrel 15 can be scraped, the polyethylene can be stirred, and the polyethylene solidification is delayed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (8)
1. An improved extrusion device for polyethylene pipe, comprising: the cooling device comprises an extruder main body (1), a cooling mechanism and a blanking mechanism, wherein a polyethylene pipe main body (2) is inserted into one side of the extruder main body (1) in a sliding manner;
the cooling mechanism comprises a cooling frame (3), two rotating shafts (4), two rotating discs (5), two servo motors (6), two fixed shafts (7), two rotating pieces (8), two pistons (9), two fixed seats (10), two air inlets (12), two mounting seats (13), two plugging plates (14) and six air blowing holes (11), wherein the cooling frame (3) is fixedly connected to one side of the extruder main body (1), one end of the polyethylene pipe main body (2) is slidably inserted into the cooling frame (3) and extends out of the cooling frame (3), two mounting cavities are symmetrically arranged in the cooling frame (3), the two rotating shafts (4) are respectively and rotatably connected into the two mounting cavities, the two rotating discs (5) are respectively and fixedly sleeved on the two rotating shafts (4), and the two servo motors (6) are symmetrically and fixedly connected to the rear side of the cooling frame (3), the drive shaft of servo motor (6) is connected with the one end transmission of axis of rotation (4), two fixed axle (7) fixed connection respectively is in the front side of two carousel (5), two rotate piece (8) and rotate respectively and cup joint on two fixed axle (7), two piston (9) sliding connection respectively is in two installation cavity, two fixing base (10) fixed connection respectively is in one side of two piston (9), the opposite side of rotating piece (8) rotates and connects in fixing base (10), two one side in cooling rack (3) is seted up to air inlet (12) symmetry, two top in two air inlet (12) is fixed connection respectively to mounting base (13), two closure plate (14) rotates respectively and connects in two mounting base (13), six air blow hole (11) symmetry is seted up in cooling rack (3), and the air blowing hole (11) is communicated with the mounting cavity.
2. The improved extrusion device for polyethylene pipes as claimed in claim 1, wherein the blanking mechanism comprises a blanking barrel (15), a transmission shaft (16), a transmission member (17), a driving motor (20), two scrapers (18) and two supporting springs (19), the blanking barrel (15) is fixedly connected to one side of the top of the extruder body (1), the transmission shaft (16) is rotatably connected in the blanking barrel (15), the transmission member (17) is fixedly sleeved on the transmission shaft (16), fixing grooves are formed in both sides of the transmission member (17), the two scrapers (18) are respectively slidably connected in the two fixing grooves, the other end of each scraper (18) abuts against the inner wall of the blanking barrel (15), and the opposite ends of the two supporting springs (19) are respectively fixedly connected to the opposite sides of the two scrapers (18), the opposite ends of the two supporting springs (19) are respectively fixedly connected in the two fixing grooves, the driving motor (20) is fixedly connected to the rear side of the lower charging barrel (15), and a driving shaft of the driving motor (20) is in transmission connection with one end of the transmission shaft (16).
3. The improved extrusion apparatus for polyethylene pipe as claimed in claim 1, wherein said air inlet (12) has a ledge integrally formed therein, said ledge abutting against one side of the closure plate (14).
4. The improved extrusion device of polyethylene pipe as claimed in claim 2, wherein the top of the lower charging barrel (15) is fixedly inserted with a feed hopper.
5. The improved extrusion device of polyethylene pipe as claimed in claim 1, wherein the front side of the extruder body (1) is provided with an observation window, and the observation window is provided with an observation glass.
6. The improved extrusion device for polyethylene pipes as claimed in claim 2, wherein the front side of the extruder body (1) is provided with a control electric box, and the control electric box is electrically connected with the servo motor (6) and the driving motor (20).
7. The improved extrusion device for the polyethylene pipe as claimed in claim 1, wherein four corners of the bottom of the extruder body (1) are fixedly connected with supporting legs.
8. The improved extrusion device for the polyethylene pipe as claimed in claim 2, wherein both sides of the transmission member (17) are fixedly connected with sealing rings, and the sealing rings are movably sleeved on the scraper (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220038188.9U CN216860521U (en) | 2022-01-09 | 2022-01-09 | Improved extrusion device for polyethylene pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220038188.9U CN216860521U (en) | 2022-01-09 | 2022-01-09 | Improved extrusion device for polyethylene pipes |
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| Publication Number | Publication Date |
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| CN216860521U true CN216860521U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220038188.9U Active CN216860521U (en) | 2022-01-09 | 2022-01-09 | Improved extrusion device for polyethylene pipes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284572A (en) * | 2022-08-15 | 2022-11-04 | 济宁金筑工贸有限公司 | Plastic extruding machine |
| CN117245889A (en) * | 2023-09-21 | 2023-12-19 | 江苏佳润管业有限公司 | Polyethylene pipe extruder |
-
2022
- 2022-01-09 CN CN202220038188.9U patent/CN216860521U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284572A (en) * | 2022-08-15 | 2022-11-04 | 济宁金筑工贸有限公司 | Plastic extruding machine |
| WO2024037206A1 (en) * | 2022-08-15 | 2024-02-22 | 济宁金筑工贸有限公司 | Plastic extruder |
| CN117245889A (en) * | 2023-09-21 | 2023-12-19 | 江苏佳润管业有限公司 | Polyethylene pipe extruder |
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