CN116141637A - Extruder with uniform extrusion thickness for BOPP film production - Google Patents
Extruder with uniform extrusion thickness for BOPP film production Download PDFInfo
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- CN116141637A CN116141637A CN202310036234.0A CN202310036234A CN116141637A CN 116141637 A CN116141637 A CN 116141637A CN 202310036234 A CN202310036234 A CN 202310036234A CN 116141637 A CN116141637 A CN 116141637A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
- B29C48/845—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2715—Cleaning; Purging; Avoiding contamination of plasticising units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/693—Substantially flat filters mounted at the end of an extruder screw perpendicular to the feed axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of BOPP film production, in particular to an extruder with uniform extrusion thickness in BOPP film production, which comprises a first support frame, wherein a control panel is arranged on the surface of the first support frame, first extrusion equipment is arranged on the upper surface of the first support frame, a material guide pipe is arranged at the bottom end of the first extrusion equipment, a support column is fixedly connected to the surface of the bottom end of the first support frame, a second support frame is fixedly connected to one end of the support column away from the first support frame, a feed hopper is arranged at the bottom end of the material guide pipe, and a material feeding pipe is arranged at the bottom end of the feed hopper. According to the invention, the turntable is driven to rotate through the second gear, the reciprocating ring drives the scraping ring to reciprocate in the extrusion barrel, and meanwhile, the scraping ring can collide with the inner side wall surface of the extrusion barrel, so that the material just adhered to the inner wall of the extrusion barrel can be scraped, and the phenomenon that the material is accumulated on the inner wall of the extrusion barrel for a long time after being heated to cause solidification is avoided, so that the quality of subsequent products of the product is affected.
Description
Technical Field
The invention relates to the technical field of BOPP film production, in particular to an extruder with uniform extrusion thickness for BOPP film production.
Background
BOPP film is prepared by taking isotactic polypropylene as a main raw material, taking an extruder as one of important equipment in the preparation process, enabling polypropylene particles to enter the extruder, and carrying out melt plasticization and extrusion under the action of screw shearing force by certain temperature and pressure.
For this, chinese application number: CN202010164105.6 discloses that the discharge end of the first extrusion equipment is provided with a discharge pipe, the below of the discharge pipe is provided with a material guiding pipe connected with a material feeding pipe in the second extrusion equipment, the below of the material feeding pipe in the second extrusion equipment is provided with a material feeding cooling mechanism, and the discharge end of the second extrusion equipment is provided with a disc type filtering structure. The invention has novel design, adopts two extrusion devices to connect in series, firstly carries out semi-melting treatment, then thoroughly melts and plasticizes the semi-melted material, ensures that the material plasticization is more uniform, meets the requirements of difficult-to-process materials, adopts a feeding cooling mechanism to carry out cooling treatment, avoids the problem of blockage caused by the fact that the semi-melted material is adhered to the inner wall of a feed hopper due to early heating, solves the problem of serious influence of impurities in the melt on the product quality through the filtering effect of a disc type filtering structure, reduces the reject ratio of the product, and saves the cost waste caused by reworking.
But the melt material after the cooling gets into extrusion equipment and reheating and can adhere to the inner wall of second extrusion equipment and cause the inner wall to pile up the material, and more materials can cause the problem of pipeline jam, filter fine mesh and coarse mesh motionless for a long time simultaneously, and the material leads to the problem that the material solidifies the jam in the junction of attaching at the dictyosome, influences the extrusion even effect of material, consequently we perfect and improve above-mentioned problem and become the problem that needs to solve now.
Disclosure of Invention
The invention aims to provide an extruder with uniform extrusion thickness for BOPP film production, which solves the problems that the material is accumulated on the inner wall of a second extrusion device due to the fact that the material is adhered to the inner wall of the second extrusion device when the cooled melt material enters the extrusion device and the material is adhered to the inner wall of the second extrusion device due to reheating, and a pipeline is blocked due to more materials.
In order to achieve the above purpose, the present invention provides the following technical solutions: the extruder comprises a first support frame, wherein a control panel is arranged on the surface of the first support frame, first extrusion equipment is arranged on the upper surface of the first support frame, a material guide pipe is arranged at the bottom end of the first extrusion equipment, a support column is fixedly connected to the surface of the bottom end of the first support frame, a second support frame is fixedly connected to one end, far away from the first support frame, of the support column, a feed hopper is arranged at the bottom end of the material guide pipe, a feed pipe is arranged at the bottom end of the feed hopper, a motor body is arranged on the surface of the second support frame, and an output shaft is arranged at the output end of the motor body;
the installation frame, the installation frame is installed at the left end surface of output shaft, the left end of inlet pipe is provided with the extrusion tube, the left side surface of extrusion tube is provided with the spacing, the left side surface of spacing is provided with the fuse-element pipe, the fuse-element pipe is connected with the extrusion tube, the left side surface of fuse-element pipe is provided with the filter ring, the left side surface of filter ring is provided with ejection of compact die head, the left end of output shaft is provided with the drive post, the inside at the installation frame is installed to the drive post, the left side surface of drive post is provided with first gear, the left side fixedly connected with axis of rotation of first gear, the left side of axis of rotation is provided with the flood dragon conveyer, the inside of flood dragon conveyer is provided with the heating pipe.
Preferably, the surface meshing of first gear is connected with the second gear, the back of second gear is provided with spacing axle, and spacing axle is installed on the inner wall of mounting bracket.
Preferably, a reciprocating screw rod is arranged on the left side surface of the second gear, a reciprocating ring is arranged on the surface of the reciprocating screw rod, a scraping ring is arranged at the bottom end of the reciprocating ring, and the scraping ring is in contact with the inner wall of the extrusion cylinder.
Preferably, the surface opposite side fixedly connected with carousel of flood dragon conveyer, the left side surface of carousel is provided with the scraper blade, the scraper blade is provided with four groups, four groups the scraper blade is all installed at the left side surface of carousel, the scraper blade contacts each other with the inside wall of scraping the ring.
Preferably, the upper surface of filter ring has seted up the adaptation groove, the top inner wall fixedly connected with limit frame of filter ring.
Preferably, the reciprocating screw rod penetrates through the inner side wall of the limiting frame, a half gear is arranged on the outer surface of the reciprocating screw rod, and a third gear is fixedly connected to the left end surface of the reciprocating screw rod.
Preferably, the bottom surface meshing of reciprocating screw is connected with the ring gear, the inside of ring gear is provided with thick net, the left side surface of thick net is provided with first porous backup pad, the left side surface of first porous backup pad is provided with the fine mesh, the left side surface of fine mesh is provided with the porous backup pad of second, the surface one side fixedly connected with spliced pole of thick net, the spread groove has been seted up on the surface of first porous backup pad, spliced pole run through spread groove and fine mesh fixed connection.
Preferably, the inside of spacing frame is provided with rack board, intermeshing is connected between rack board and the half gear, the bottom fixedly connected with of rack board is half scrapes the ring, the bottom surface of half scraping the ring is provided with the flexible cover.
Preferably, the inside of flexible cover is provided with the expansion spring, the bottom fixedly connected with flexible piston rod of flexible cover, flexible piston rod is provided with two sets of, two sets of flexible piston rod is all installed in the inside of flexible cover.
Compared with the prior art, the invention has the beneficial effects that:
1. the extruder with uniform extrusion thickness for BOPP film production comprises a motor body, a filter ring, a discharge die head, a transmission column, a first gear, a rotating shaft, a dragon conveyor, a heating pipe, a second gear, a reciprocating screw rod, a reciprocating ring and a scraping ring, wherein when the extruder is used, firstly, materials are conveyed into the inside of a feeding pipe through the material conveying pipe, then the materials enter the inside of an extrusion cylinder, the motor body drives an output shaft and the transmission column to rotate, then the transmission column drives the first gear, the rotating shaft and the dragon conveyor to integrally rotate, the heating pipe heats and conveys the materials, then the first gear drives the second gear to rotate, the second gear drives a turntable to rotate, the reciprocating ring belt moves the scraping ring to reciprocate in the inside of the extrusion cylinder, and meanwhile, the scraping ring can collide the inner side wall surface of the extrusion cylinder, thereby can strike off the material that just is stained with and attach at the extrusion section of thick bamboo inner wall, thereby avoid material heating back long-time pile up on the inner wall of extrusion section of thick bamboo, thereby cause the quality that solidifies and influence the follow-up product of product, drive the third gear through reciprocating screw simultaneously and rotate, thereby can drive the third gear and rotate, drive the ring gear simultaneously and carry out the rotation of low angle when the third gear rotates, and the ring gear can drive the coarse mesh and rotate simultaneously the fine mesh through the spliced pole, through the low angle rotation with coarse mesh and fine mesh persistence, can avoid coarse mesh and fine mesh's net connecting block department to pile up too much solidification material in coarse mesh and fine mesh carry out the in-process of pay-off, the problem that coarse mesh and fine mesh in the past material jam solidification in filtration and pay-off in-process has been solved, the design functionality has been embodied.
2. This extruder that thickness is even is extruded in BOPP membrane production, through the semi-toothed wheel that sets up, rack board, spacing frame, semi-scraping ring, flexible cover, expansion spring and flexible piston rod, when using, because reciprocating lead screw can drive semi-toothed wheel and third gear simultaneously and rotate, when reciprocating lead screw rotates the round, semi-toothed wheel can mesh with rack board, thereby drive rack board and move down, it begins down to drive semi-scraping ring after the rack board removes, semi-scraping ring begins down at the back of ring gear, thereby can strike off the material at the ring gear back, the anti-clogging effect of ring gear when carrying the material has been strengthened, simultaneously semi-scraping ring is through the elastic potential force of expansion spring after the extrusion, can be automatic rise, thereby can strike off the back of ring gear again, the frequency that rack board descends simultaneously is lower, the back to the ring gear is guaranteed regularly to clean, design ingenious nature has been embodied.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic perspective view of the feed tube and dragon conveyor structure of the present invention;
FIG. 3 is a schematic perspective view of the structure of the screw conveyor and reciprocating screw of the present invention;
FIG. 4 is a schematic view showing the first gear and turntable structure of the present invention in an exploded manner;
FIG. 5 is a schematic cross-sectional view of a filter ring structure of the present invention;
FIG. 6 is a schematic diagram of the disassembly of the reciprocating screw and half scraper ring structure of the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.
In the figure: 1. a first support frame; 2. a control panel; 3. a first extrusion device; 4. a material guiding pipe; 5. a support column; 6. a second support frame; 7. a feed hopper; 8. a feed pipe; 9. a motor body; 10. an output shaft; 11. a mounting frame; 12. an extrusion barrel; 13. a limiting frame; 14. a melt tube; 15. a filter ring; 16. a discharge die head; 17. a drive column; 18. a first gear; 19. a rotating shaft; 20. a dragon conveyor; 21. heating pipes; 22. a second gear; 23. a reciprocating screw rod; 24. a shuttle ring; 25. a scraper ring; 26. a turntable; 27. a scraper; 28. an adaptation groove; 29. a limit frame; 30. a half gear; 31. a third gear; 32. a gear ring; 33. coarse net; 34. a first porous support plate; 35. fine net; 36. a second porous support plate; 37. rack plate; 38. a half scraper ring; 39. a telescopic sleeve; 40. a telescopic spring; 41. and (5) extending and retracting the piston rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, an embodiment of the present invention is provided:
the extruder with uniform extrusion thickness for BOPP film production comprises a control panel 2, a first extrusion device 3, a motor body 9, a screw conveyer 20, a heating pipe 21 and a reciprocating screw 23, wherein the control panel 2, the first extrusion device 3, the motor body 9, the screw conveyer 20, the heating pipe 21 and the reciprocating screw 23 are all products which can be directly purchased in the market, the principle and the connection mode are all the prior art which are well known to the person skilled in the art, so the extruder is not repeated herein, the output end of the control panel 2 is electrically connected with the input ends of the first extrusion device 3, the motor body 9, the screw conveyer 20, the heating pipe 21 and the reciprocating screw 23 through wires, the extruder comprises a first support frame 1, the surface of the first support frame 1 is provided with the control panel 2, the upper surface of the first support frame 1 is provided with the first extrusion device 3, the bottom end of the first extrusion device 3 is provided with a material guide pipe 4, the bottom end surface of the first support frame 1 is fixedly connected with a support column 5, one end of the support column 5 far away from the first support frame 1 is fixedly connected with a second support frame 6, the bottom end of the material guide pipe 4 is provided with a material feed hopper 7, the bottom end of the material feed hopper 7 is provided with the material 8, the surface of the second support frame 6 is provided with the motor body 9, and the output end 10 of the motor body 9 is provided with the output end of the motor body 9;
the installation frame 11, the installation frame 11 is installed on the left end surface of the output shaft 10, the left end of the feed pipe 8 is provided with the extrusion barrel 12, the left side surface of the extrusion barrel 12 is provided with the limit frame 13, the left side surface of the limit frame 13 is provided with the melt pipe 14, the melt pipe 14 is connected with the extrusion barrel 12, the left side surface of the melt pipe 14 is provided with the filter ring 15, the upper surface of the filter ring 15 is provided with the adaptation groove 28, the top inner wall of the filter ring 15 is fixedly connected with the limit frame 29, the inside of the limit frame 29 is provided with the rack plate 37, the rack plate 37 is in meshed connection with the half gear 30, the bottom end fixedly connected with the half scraping ring 38, the bottom end surface of the half scraping ring 38 is provided with the telescopic sleeve 39, the inside of the telescopic sleeve 39 is provided with the telescopic spring 40, the bottom end fixedly connected with the telescopic piston rod 41 of the telescopic piston rod 41 is provided with two groups, the two groups of telescopic piston rods 41 are both installed inside the telescopic sleeve 39, the left side surface of the filter ring 15 is provided with a discharge die head 16, the left end of the output shaft 10 is provided with a transmission column 17, the transmission column 17 is arranged in the mounting frame 11, the left side surface of the transmission column 17 is provided with a first gear 18, the surface of the first gear 18 is connected with a second gear 22 in a meshed manner, the left side surface of the second gear 22 is provided with a reciprocating screw 23, the bottom surface of the reciprocating screw 23 is connected with a gear ring 32 in a meshed manner, the inside of the gear ring 32 is provided with a coarse mesh 33, the left side surface of the coarse mesh 33 is provided with a first porous support plate 34, the left side surface of the first porous support plate 34 is provided with a fine mesh 35, the left side surface of the fine mesh 35 is provided with a second porous support plate 36, one side of the surface of the coarse mesh 33 is fixedly connected with a connecting column, the surface of the first porous support plate 34 is provided with a connecting groove, the connecting column penetrates through the connecting groove and is fixedly connected with the fine mesh 35, the reciprocating screw rod 23 penetrates through the inner side wall of the limiting frame 13, a half gear 30 is arranged on the outer surface of the reciprocating screw rod 23, a third gear 31 is fixedly connected to the left end surface of the reciprocating screw rod 23, a reciprocating ring 24 is arranged on the surface of the reciprocating screw rod 23, a scraping ring 25 is arranged at the bottom end of the reciprocating ring 24, the scraping ring 25 is in mutual contact with the inner wall of the extrusion barrel 12, a limiting shaft is arranged on the back surface of the second gear 22, the limiting shaft is arranged on the inner wall of the mounting frame 11, a rotating shaft 19 is fixedly connected to the left side surface of the first gear 18, a dragon conveyor 20 is arranged on the left side of the rotating shaft 19, a turntable 26 is fixedly connected to the other side of the surface of the dragon conveyor 20, scrapers 27 are arranged on the left side surface of the turntable 26, four groups of scrapers 27 are arranged on the left side surface of the turntable 26, the scrapers 27 are in mutual contact with the inner side wall of the scraping ring 25, a heating pipe 21 is arranged inside the dragon conveyor 20, the material is conveyed into the feeding pipe 8 through the material guiding pipe 4, then enters the extrusion barrel 12, the motor body 9 drives the output shaft 10 and the transmission column 17 to rotate, then the transmission column 17 drives the first gear 18, the rotating shaft 19 and the dragon conveyor 20 to integrally rotate, the heating pipe 21 heats and conveys the material, then the first gear 18 drives the second gear 22 to rotate, the second gear 22 drives the turntable 26 to rotate, the reciprocating ring 24 drives the scraping ring 25 to reciprocate in the extrusion barrel 12, the scraping ring 25 is abutted against the inner side wall surface of the extrusion barrel 12, so that the material just adhered to the inner wall of the extrusion barrel 12 can be scraped, the material is prevented from being accumulated on the inner wall of the extrusion barrel 12 for a long time after being heated, solidification is caused, and the quality of subsequent products of products is affected, simultaneously drive the third gear 31 through reciprocating screw 23 and rotate to can drive the third gear 31 and rotate, drive the ring gear 32 simultaneously and carry out the rotation of small angle when the third gear 31 rotates, and the ring gear 32 can drive coarse mesh 33 and rotate simultaneously coarse mesh 33 can drive fine mesh 35 simultaneously through the spliced pole, through the small-angle rotation with coarse mesh 33 and fine mesh 35 persistence, can avoid coarse mesh 33 and fine mesh 35's net connecting block department to pile up too much solidification material in coarse mesh 33 and fine mesh 35's the in-process of pay-off, the problem that coarse mesh 33 and fine mesh 35 in the past blocks up the solidification at filtering and pay-off in-process material is solved, because reciprocating screw 23 can drive simultaneously and rotate half gear 30 and third gear 31, when reciprocating screw 23 rotates one round, half gear 30 can mesh with rack plate 37, thereby drive rack plate 37 and move down, drive half scraper ring 38 and begin to move down in the back of ring gear 32, thereby can scrape the material on the back of ring gear 32 and carry out the back automatically, the back of ring gear 32 is scraped to the back at the time when the anti-clogging of the anti-slip ring spring is carried out, the back of ring gear 32 is guaranteed to the back of the spring 32 when the anti-slip device is simultaneously, the back of the ring gear 32 is guaranteed to be more flexible, and the back face of the back of the ring 32 is pushed down.
Working principle: when the device is used by staff, firstly, the device is externally connected with a power supply so as to provide power support for the device, during the use, firstly, materials are conveyed into the feed pipe 8 through the feed pipe 4, then enter the extrusion barrel 12, the output shaft 10 and the transmission column 17 are driven to rotate through the motor body 9, then the transmission column 17 drives the first gear 18, the rotation shaft 19 and the screw conveyer 20 to integrally rotate, the materials are heated and conveyed through the heating pipe 21, then the second gear 22 is driven to rotate through the first gear 18, the turntable 26 is driven to rotate through the second gear 22, the scraper ring 24 drives the scraper ring 25 to reciprocate in the extrusion barrel 12, meanwhile, the scraper ring 25 can collide with the inner side wall surface of the extrusion barrel 12, so that the materials which are just adhered to the inner wall of the extrusion barrel 12 can be scraped, avoiding the material to be accumulated on the inner wall of the extrusion cylinder 12 for a long time after being heated, causing solidification to influence the quality of the subsequent product, simultaneously driving the third gear 31 to rotate through the reciprocating screw 23, thereby driving the third gear 31 to rotate, simultaneously driving the gear ring 32 to rotate by a small angle when the third gear 31 rotates, driving the coarse net 33 to rotate and driving the fine net 35 to rotate through the connecting column by the gear ring 32, simultaneously driving the fine net 33 to rotate through the connecting column by the coarse net 33, avoiding the accumulation of excessive solidified material at the net connecting block of the coarse net 33 and the fine net 35 in the feeding process of the coarse net 33 and the fine net 35, simultaneously driving the half gear 30 and the third gear 31 to rotate due to the reciprocating screw 23, meshing the half gear 30 with the rack plate 37 when the reciprocating screw 23 rotates by one circle, the rack plate 37 is driven to move downwards, the rack plate 37 moves and then drives the half scraping ring 38 to start to move downwards, the half scraping ring 38 starts to move downwards on the back surface of the gear ring 32, so that materials on the back surface of the gear ring 32 can be scraped, the anti-blocking effect of the gear ring 32 when materials are conveyed is enhanced, meanwhile, the half scraping ring 38 can automatically ascend through the elastic force of the telescopic spring 40 after extrusion, so that the back surface of the gear ring 32 can be scraped again, the descending frequency of the rack plate 37 is low, and the fact that the back surface of the gear ring 32 is cleaned at fixed time is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an extruder that thickness is even is extruded in BOPP membrane production, includes first support frame (1), the surface of first support frame (1) is provided with control panel (2), the upper surface of first support frame (1) is provided with first extrusion equipment (3), the bottom of first extrusion equipment (3) is provided with passage (4), the bottom fixed surface of first support frame (1) is connected with support column (5), one end fixedly connected with second support frame (6) of first support frame (1) are kept away from to support column (5), the bottom of passage (4) is provided with feeder hopper (7), its characterized in that: the bottom end of the feed hopper (7) is provided with a feed pipe (8), the surface of the second support frame (6) is provided with a motor body (9), and the output end of the motor body (9) is provided with an output shaft (10);
the novel plastic extrusion device comprises a mounting frame (11), wherein the mounting frame (11) is arranged on the left end surface of an output shaft (10), an extrusion cylinder (12) is arranged at the left end of a feeding pipe (8), a limiting frame (13) is arranged on the left side surface of the extrusion cylinder (12), a melt pipe (14) is arranged on the left side surface of the limiting frame (13), the melt pipe (14) is connected with the extrusion cylinder (12), a filtering ring (15) is arranged on the left side surface of the melt pipe (14), a discharging die head (16) is arranged on the left side surface of the filtering ring (15), a transmission column (17) is arranged at the left end of the output shaft (10), the transmission column (17) is arranged inside the mounting frame (11), a first gear (18) is arranged on the left side surface of the transmission column (17), a rotating shaft (19) is fixedly connected with the left side surface of the first gear (18), a heating pipe (21) is arranged on the left side of the rotating shaft (19).
2. The extruder for producing BOPP film with uniform extrusion thickness according to claim 1, wherein: the surface meshing of first gear (18) is connected with second gear (22), the back of second gear (22) is provided with spacing axle, and spacing axle is installed on the inner wall of mounting bracket (11).
3. The extruder for producing BOPP film with uniform extrusion thickness according to claim 2, wherein: the left side surface of second gear (22) is provided with reciprocating screw (23), the surface of reciprocating screw (23) is provided with reciprocating ring (24), the bottom of reciprocating ring (24) is provided with strike-off ring (25), strike-off ring (25) and the inner wall of extrusion tube (12) contact each other.
4. The extruder for producing BOPP film with uniform extrusion thickness according to claim 1, wherein: the dragon conveyer (20) surface opposite side fixedly connected with carousel (26), the left side surface of carousel (26) is provided with scraper blade (27), scraper blade (27) are provided with four groups, four groups scraper blade (27) are all installed at the left side surface of carousel (26), scraper blade (27) and the inside wall of striking-off ring (25) contact each other.
5. The extruder for producing BOPP film with uniform extrusion thickness according to claim 1, wherein: an adaptation groove (28) is formed in the upper surface of the filter ring (15), and a limit frame (29) is fixedly connected to the inner wall of the top end of the filter ring (15).
6. A BOPP film production extrusion machine of claim 3, wherein the extrusion thickness is uniform: the reciprocating screw rod (23) penetrates through the inner side wall of the limiting frame (13), a half gear (30) is arranged on the outer surface of the reciprocating screw rod (23), and a third gear (31) is fixedly connected to the left end surface of the reciprocating screw rod (23).
7. A BOPP film production extrusion machine of claim 3, wherein the extrusion thickness is uniform: the novel reciprocating screw rod is characterized in that a gear ring (32) is connected to the bottom end surface of the reciprocating screw rod (23) in a meshed mode, a coarse mesh (33) is arranged in the gear ring (32), a first porous supporting plate (34) is arranged on the left side surface of the coarse mesh (33), a fine mesh (35) is arranged on the left side surface of the first porous supporting plate (34), a second porous supporting plate (36) is arranged on the left side surface of the fine mesh (35), a connecting column is fixedly connected to one side of the surface of the coarse mesh (33), a connecting groove is formed in the surface of the first porous supporting plate (34), and the connecting column penetrates through the connecting groove and is fixedly connected with the fine mesh (35).
8. The extruder for producing BOPP film with uniform extrusion thickness according to claim 5, wherein: the inside of spacing frame (29) is provided with rack board (37), intermeshing connects between rack board (37) and half gear (30), the bottom fixedly connected with of rack board (37) is half scrapes ring (38), the bottom surface of half scraping ring (38) is provided with flexible cover (39).
9. The extruder for producing BOPP film with uniform extrusion thickness according to claim 8, wherein: the inside of flexible cover (39) is provided with flexible spring (40), the bottom fixedly connected with flexible piston rod (41) of flexible cover (39), flexible piston rod (41) are provided with two sets of, two sets of flexible piston rod (41) are all installed in the inside of flexible cover (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310036234.0A CN116141637A (en) | 2023-01-07 | 2023-01-07 | Extruder with uniform extrusion thickness for BOPP film production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310036234.0A CN116141637A (en) | 2023-01-07 | 2023-01-07 | Extruder with uniform extrusion thickness for BOPP film production |
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| Publication Number | Publication Date |
|---|---|
| CN116141637A true CN116141637A (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310036234.0A Pending CN116141637A (en) | 2023-01-07 | 2023-01-07 | Extruder with uniform extrusion thickness for BOPP film production |
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| CN (1) | CN116141637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117207558A (en) * | 2023-11-07 | 2023-12-12 | 鸿安（福建）机械有限公司 | Carbon fiber composite material heating and curing equipment |
-
2023
- 2023-01-07 CN CN202310036234.0A patent/CN116141637A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117207558A (en) * | 2023-11-07 | 2023-12-12 | 鸿安（福建）机械有限公司 | Carbon fiber composite material heating and curing equipment |
| CN117207558B (en) * | 2023-11-07 | 2024-02-27 | 鸿安（福建）机械有限公司 | Carbon fiber composite material heating and curing equipment |
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