A uniform type of bopp film production extruder with feed not easy to block

By using elastic airbags and air chamber structures, slot joints and connecting joints, electromagnetic coils and magnetic plates, dust brush strips and scrapers in the BOPP film production extruder, the problem of extruder outlet blockage was solved, achieving efficient equipment operation and uniform film production.

CN116330613BActive Publication Date: 2025-11-28CHINA FILM NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202310120325.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-16
Publication Date
2025-11-28
Estimated Expiration
2043-02-16

AI Technical Summary

Technical Problem

During the production of BOPP film, the material cooling at the extruder outlet can easily cause blockages, leading to blockages in the feed pipes. This necessitates stopping production for maintenance, impacting production efficiency and equipment speed.

Method used

It adopts an elastic airbag and air chamber structure, which prevents material condensation and blockage by squeezing the internal structure deformation and air pressure transfer; it is equipped with slot joints and connecting joints to facilitate the replacement of the conveying pipe during equipment operation; it uses electromagnetic coils and magnetic plates to increase the structure speed and reduce power consumption; it is equipped with dust brush strips and scrapers to clean impurities on the roller surface.

Benefits of technology

It effectively prevents material discharge blockage, reduces equipment damage, minimizes maintenance downtime, improves production efficiency, and ensures film flatness.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The application discloses a uniform BOPP film production extruder which is not prone to be blocked by feeding, and belongs to the field of film extruders. The extruder comprises a bottom box, baffles are fixedly connected to the two sides of the bottom box, support frames are fixedly connected to the side surfaces of the baffles, a top plate is fixedly connected to the top surface of the support frame, an extruding end is arranged below the left side of the top plate, a dust removal end is arranged on the side surface of the extruding end, a fixed shaft plate is fixedly connected to the left side of the baffle, a fixed cylinder is rotatably connected to the side surface of the fixed shaft plate, a roller shaft frame is fixedly connected to the side surface of the fixed shaft plate, an auxiliary rotating upper shaft is arranged at the middle position of the roller shaft frame, an auxiliary rotating lower shaft is arranged at the tail end of the roller shaft frame, an extension swing frame is fixedly connected to the bottom surface of the roller shaft frame, and a fixed frame plate is arranged at the tail end of the extension swing frame.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of film extruders, and particularly relates to a uniform BOPP film production extruder which is not prone to blockage of feeding. BACKGROUND

[0002] The production of BOPP film is that the melt of high-molecular polypropylene is first made into a sheet or thick film through a long and narrow die head, and then stretched in two perpendicular directions at a certain temperature and speed simultaneously or in steps in a special stretching machine, and the film is made through proper cooling or heat treatment or special processing. Commonly used BOPP films include ordinary type biaxially oriented polypropylene film, heat-seal type biaxially oriented polypropylene film, cigarette packaging film, biaxially oriented polypropylene pearl luster film, biaxially oriented polypropylene metallized film, matt film, composite film, laser mold pressing film, anti-fake film and paper ball film, etc. In the processing process, the inner wall of the pipe for providing material for the extruder will be attached with residual material after cooling due to the increase of feeding time, which will eventually cause the pipe to be blocked, and the equipment operation needs to be temporarily stopped for maintenance of the pipe or blocked parts. However, the maintenance time is generally long, which affects the production of the equipment. SUMMARY

[0003] The application aims to provide a uniform BOPP film production extruder which is not prone to blockage of feeding, and solves the problems of easy blockage of the outlet of the extruder due to cooling of the material, the need to stop the equipment production for replacement or maintenance due to blockage of the feeding pipe, and slow movement rate of the lifting mechanism which needs to be continuously powered.

[0004] To achieve the above-mentioned purpose, the application provides the following technical scheme: a uniform BOPP film production extruder which is not prone to blockage of feeding, comprising a bottom box, the two sides of the bottom box are fixedly connected with baffles, the side surface of the baffle is fixedly connected with a support frame, the top surface of the support frame is fixedly connected with a top plate, the left side of the top plate is provided with an extrusion end, the side surface of the extrusion end is provided with a dust removal end, the left side of the baffle is fixedly connected with a fixed shaft plate, the side surface of the fixed shaft plate is rotatably connected with a fixed cylinder, the side surface of the fixed shaft plate is fixedly connected with a roller shaft frame, the middle position of the roller shaft frame is provided with an auxiliary upper shaft, the end of the roller shaft frame is provided with an auxiliary lower shaft, the bottom surface of the roller shaft frame is fixedly connected with an extension swing frame, the end of the extension swing frame is provided with a fixed frame plate, the two sides of the top plate are fixedly connected with telescopic ends, the telescopic ends are fixedly connected with the extrusion end, the side surface of the top plate is fixedly connected with a hydraulic cylinder, and the end of the hydraulic cylinder is fixedly connected with an adjusting cylinder.

[0005] The inner top end of the extruding end is provided with a slot joint, the upper side of the slot joint is provided with a connecting joint, the inner wall side of the extruding end is provided with an elastic air bag, the left end bottom side of the extruding end is provided with a sliding short rod, the outer side of the sliding short rod is provided with a sliding block, and the bottom side of the sliding block is provided with a sliding end.

[0006] The bottom end of the connecting joint is provided with a threaded joint, the bottom surface of the threaded joint is provided with a short tip, the outer side of the slot joint is provided with a power wire column, and the inside of the slot joint is provided with an inner plug block.

[0007] The inside of the fixed frame plate is provided with an iron core block, both ends of the fixed frame plate are provided with sliding vertical rods, the outer side of the iron core block is provided with an electromagnetic coil, the iron core block is provided above with a connecting rod plate, the inside of the connecting rod plate is provided with a magnetic force plate, the fixed frame plate is provided below with a film guide plate, and the film guide plate is fixedly connected with an extension swing frame.

[0008] As a preferred embodiment, the inside of the extruding end is provided with a storage material bin, the slot joint is fixedly connected with the extruding end, the storage material bin and the connecting joint constitute a communication structure through the slot joint, the connecting joint is fixedly connected with a material conveying pipe at the end, the material conveying pipe is fixedly connected with a material distribution pipe at the end, the material distribution pipe is located in the inside of the top plate, the material distribution pipe is connected with an external material supply pipe at the side, and the inside of the extruding end is provided with heating pipes on both sides.

[0009] By the above scheme, the heated material is conveyed to the material distribution pipe through the external pipeline, and then enters the inside of the extruding end through the connecting joint through each material conveying pipe connected at the side of the material distribution pipe.

[0010] As a preferred embodiment, the sliding short rod is slidably connected with the sliding block, the sliding block is fixedly connected with the sliding end, the elastic air bag is fixedly connected with the inner wall of the extruding end, the side of the extruding end is connected with a pressure channel, the other end of the pressure channel is connected with an outer half cavity, the outer half cavity is located on the left side surface of the extruding end, the side of the sliding end is provided with an air cavity, and the air cavity extends to the inner side of the outer half cavity on the upper and lower sides.

[0011] When the bottom end of the extrusion end is blocked, the material in the storage bin is continuously supplied, the pressure in the storage bin is increased, the space in the storage bin is filled, the elastic air bag is extruded and shrunk, the air in the elastic air bag is discharged into the inside of the outer half cavity and the air cavity along the pressure channel, the pressure in the air cavity is increased, the air pressure in the air cavity and the outer half cavity is increased, the air cavity side moves outward to balance the air pressure, the sliding end slides along the sliding block through the sliding short rod, and the distance between the sliding end and the bottom end of the extrusion end is increased. When the material flows out normally, the pressure in the storage bin is normal. At this time, due to the structural property of elastic recovery of the elastic air bag, the inside of the elastic air bag is in a negative pressure state, so that the compressed air in the air cavity returns to the inside of the elastic air bag along the pressure channel to balance the air pressure, and the material normally slides from the side of the elastic air bag, so that the structure returns to the original state.

[0012] As a preferred embodiment, the connecting joint is fixedly connected with a threaded joint, the threaded joint is fixedly connected with a short shank, the short shanks are arranged in an annular array on the bottom surface of the threaded joint, and the connecting joint is threadedly connected with the slot joint.

[0013] When the slot joint and the connecting joint are blocked by material, or the material in the feeding pipe is blocked, the connecting joint is rotated, the connecting joint is rotated from the top end of the slot joint, and the connecting joint is separated from the slot joint.

[0014] As a preferred embodiment, the inner wall of the slot joint is provided with threads, the inner plug block is threadedly connected with the slot joint, the surface edge of the inner plug block is provided with a shank slot, the shank slot corresponds to the position of the short shank, the inner side of the shank slot is provided with a material flow groove, the material flow groove penetrates to the bottom surface of the inner plug block, the cross section of the inner plug block is in the shape of a “T”, the bottom side of the slot joint is provided with a discharging channel at the center, the slot joint is provided with a heating ring inside, and the heating ring is electrically connected with a power supply column.

[0015] When the connecting joint is separated from the slot joint, the short shanks on the bottom surface of the threaded joint are rotated along with the rotation of the connecting joint, the short shanks are gradually separated from the inside of the shank slot, the threaded joint is rotated to drive the short shanks to rotate the inner plug block, and the inner plug block just blocks the discharging channel after the short shanks are separated from the shank slot, so as to prevent the material from flowing out of the inside of the storage bin, and facilitate replacement of the feeding pipe.

[0016] As a preferred embodiment, the fixed frame plate is fixedly connected with an iron core block, the electromagnetic coil is wound outside the iron core block, the connecting rod plate is fixedly connected with a magnetic plate, and the magnetic pole on the bottom surface of the magnetic plate is the same as the magnetic pole generated by the electrification of the electromagnetic coil.

[0017] When the connecting rod plate needs to be lifted upward, the electromagnetic coil is in the energized state, and the electromagnetic coil forms the same magnetic pole as the bottom surface of the magnetic force plate on the surface of the iron core block, and the pressure wheel is lifted upward under the repulsion of the magnetic force, and the iron core block is close to each other under the magnetic attraction of the magnetic force plate after the electromagnetic coil loses the energization.

[0018] As a preferred embodiment, the fixed frame plate is slidably connected with the sliding vertical rod, the sliding vertical rod is fixedly connected with the connecting rod plate, the outer side of the sliding vertical rod is fixedly connected with the fixed ring, the upper surface of the fixed ring is fixedly connected with the elastic spring, the other end of the elastic spring is fixedly connected with the fixed frame plate, the side surface of the fixed ring is fixedly connected with the hinged rod, both sides of the hinged rod are rotatably connected with the balance wheel rod, the end side surface of the balance wheel rod is rotatably connected with the pressure wheel, the side surface of the balance wheel rod is fixedly connected with the tension spring, and the end of the sliding vertical rod is rotatably connected with the wheel cutter.

[0019] When the connecting rod plate is lifted to the uppermost position, the two balance wheel rods are close to each other under the action of the elastic spring, and the pressure wheel moves upward with the lifting of the sliding vertical rod, when the sliding vertical rod moves downward, the fixed ring also moves downward with the sliding vertical rod, and the elastic force of the elastic spring is released, then the balance wheel rod is flipped on both sides with the hinged rod as the node, until the wheel cutter contacts the film, and the pressure wheel flattens the cut part of the film.

[0020] As a preferred embodiment, the dust removal end is slidably connected with the pressing rod at both ends, the end of the pressing rod is fixedly connected with the pressing strip, the bottom surface of the pressing strip is fixedly connected with the dust brushing cotton strip, and the right side surface of the pressing strip is fixedly connected with the scraper.

[0021] By using the spring contraction force of the top end of the pressing rod, the pressing rod slides through the dust removal end, pushes the pressing strip at the end of the pressing rod, and makes the dust brushing cotton strip at the bottom of the pressing strip adhere to the surface of the fixed cylinder, so as to clean the dust and impurities on the surface of the fixed cylinder, and at the same time, with the rotation of the fixed cylinder, the scraper on the side surface of the pressing strip also adheres to the surface of the fixed cylinder, so that the impurities on the surface of the fixed cylinder which are difficult to be removed by wiping can be removed by the scraper, so as to ensure the smoothness of the surface of the fixed cylinder.

[0022] Compared with the prior art, the beneficial effects of the present application are:

[0023] The uniform BOPP film production extruder which is not easy to block the feeding is provided with an elastic air bag and an air cavity to prevent the material from blocking the outlet after condensation, and the structure is driven by the way of deformation and air pressure transfer, so that the driving process does not consume electric energy, and the emergency situation of material blocking can be coped with to avoid equipment damage.

[0024] The feeding non-easy-to-clog uniform type BOPP film production extruder avoids material flowing out from the inside of the material storage bin by setting the slot joint and the connecting joint, thereby facilitating replacement of the material conveying pipe, so that replacement can be carried out under the condition that the equipment is normally operated, and the influence of maintenance shutdown on production is reduced.

[0025] The feeding non-easy-to-clog uniform type BOPP film production extruder utilizes the electromagnetic structure to realize structure lifting and improve the operation speed of the structure, while consuming less electric energy.

[0026] The feeding non-easy-to-clog uniform type BOPP film production extruder sets the dust-brushing cotton bar and the scraper, so that the dust-brushing cotton bar at the bottom of the pressing strip is attached to the surface of the fixed cylinder, thereby cleaning the dust and impurities on the surface of the fixed cylinder, and the impurities that are difficult to remove by wiping on the surface of the fixed cylinder are removed by the scraper, so as to ensure the smoothness of the surface of the fixed cylinder and make the produced film more flat. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structure schematic view of the whole positive of the present application;

[0028] Figure 2 It is a structure schematic view of the inside of the baffle of the present application;

[0029] Figure 3 It is a structure schematic view of the inside of the extruding end of the present application;

[0030] Figure 4 It is an enlarged structure schematic view of A in the present application Figure 3

[0031] Figure 5 It is a structure schematic view of the slot joint of the present application;

[0032] Figure 6 It is a structure schematic view of the inside of the magnetic plate of the present application;

[0033] Figure 7 It is a structure schematic view of the pressing wheel support of the present application;

[0034] Figure 8 It is a structure schematic view of the pressing strip of the present application;

[0035] Figure 9 It is an enlarged structure schematic view of B in the present application Figure 8

[0036] ​​In the figure: 1, bottom box; 2, baffle; 3, support frame; 4, top plate; 5, fixed shaft plate; 6, extrusion end; 7, dust removal end; 8, fixed roller; 9, roller shaft frame; 10, auxiliary upper shaft; 11, auxiliary lower shaft; 12, extension swing frame; 13, fixed frame plate; 14, telescopic end; 15, hydraulic cylinder; 16, adjusting roller; 17, storage material bin; 18, slot connector; 19, connecting connector; 20, material conveying pipe; 21, material distribution pipe; 22, heating pipe; 23, sliding short rod; 24, sliding block; 25, sliding end; 26, elastic air bag; 27, air cavity; 28, outer half cavity; 29, pressure channel; 30, threaded connector; 31, short shank; 32, power supply post; 33, heating ring; 34, inner plug block; 35, material flow groove; 36, shank groove; 37, discharging channel; 38, electromagnetic coil; 39, iron core block; 40, connecting rod plate; 41, magnetic force plate; 42, sliding vertical rod; 43, film guide plate; 44, elastic spring; 45, fixed ring; 46, hinged rod; 47, balance wheel rod; 48, pressure roller; 49, tension spring; 50, wheel cutter; 51, pressing rod; 52, pressing strip; 53, dust brushing cotton bar; 54, scraper. DETAILED DESCRIPTION

[0037] Please refer to Figures 1-9 The application provides a uniform BOPP film production extruder which is not easy to be blocked by feeding, comprising a bottom box 1, both sides of the bottom box 1 being fixedly connected with baffles 2, the side surfaces of the baffles 2 being fixedly connected with support frames 3, the top surfaces of the support frames 3 being fixedly connected with top plates 4, the left lower side of the top plate 4 being provided with an extrusion end 6, the side surface of the extrusion end 6 being provided with a dust removal end 7, the left side of the baffle 2 being fixedly connected with a fixed shaft plate 5, the side surface of the fixed shaft plate 5 being rotatably connected with a fixed roller 8, the side surface of the fixed shaft plate 5 being fixedly connected with a roller shaft frame 9, the middle position of the roller shaft frame 9 being provided with an auxiliary upper shaft 10, the end of the roller shaft frame 9 being provided with an auxiliary lower shaft 11, the bottom side surface of the roller shaft frame 9 being fixedly connected with an extension swing frame 12, the end of the extension swing frame 12 being provided with a fixed frame plate 13, both sides of the top plate 4 being fixedly connected with telescopic ends 14, the telescopic ends 14 being fixedly connected with the extrusion end 6, the side surface of the top plate 4 being fixedly connected with a hydraulic cylinder 15, the end of the hydraulic cylinder 15 being fixedly connected with an adjusting roller 16;

[0038] The inner top end of the extrusion end 6 is provided with a slot connector 18, the upper side of the slot connector 18 is provided with a connecting connector 19, the inner wall side surface of the extrusion end 6 is provided with an elastic air bag 26, the left end bottom side of the extrusion end 6 is provided with a sliding short rod 23, the outer side of the sliding short rod 23 is provided with a sliding block 24, the bottom side of the sliding block 24 is provided with a sliding end 25;

[0039] The bottom end of the connecting connector 19 is provided with a threaded connector 30, the bottom surface of the threaded connector 30 is provided with a short shank 31, the outer side of the slot connector 18 is provided with a power supply post 32, and the inside of the slot connector 18 is provided with an inner plug block 34.

[0040] The fixed frame plate 13 has an iron core block 39 inside, and sliding vertical rods 42 are provided at both ends of the fixed frame plate 13. An electromagnetic coil 38 is provided on the outside of the iron core block 39. A connecting rod plate 40 is provided directly above the iron core block 39. A magnetic plate 41 is provided inside the connecting rod plate 40. A guide plate 43 is provided directly below the fixed frame plate 13. The guide plate 43 is fixedly connected to the extension swing frame 12.

[0041] See Figure 3 The extrusion end 6 has a material storage bin 17 inside. The slot joint 18 is fixedly connected to the extrusion end 6. The material storage bin 17 is connected to the connecting joint 19 through the slot joint 18. The end of the connecting joint 19 is fixedly connected to the conveying pipe 20. The end of the conveying pipe 20 is fixedly connected to the distribution pipe 21. The distribution pipe 21 is located inside the top plate 4. The side of the distribution pipe 21 is connected to an external feeding pipe. Heating pipes 22 are provided on both sides inside the extrusion end 6. Through the above structure, the heated material is conveyed to the distribution pipe 21 through the external pipe. Then, the material is conveyed into the interior of the extrusion end 6 through the connecting joint 19 via the various conveying pipes 20 connected to the side of the distribution pipe 21.

[0042] See Figure 3 and Figure 4, the sliding short rod 23 is in sliding connection with the sliding block 24, the sliding block 24 is in fixed connection with the sliding end 25, the elastic air bag 26 is in fixed connection with the inner wall of the extruding end 6, the side surface of the extruding end 6 is connected with the pressure channel 29, the other end of the pressure channel 29 is connected with the outer half cavity 28, the outer half cavity 28 is located on the left side surface of the extruding end 6, the side surface of the sliding end 25 is provided with the air cavity 27, the upper and lower sides of the air cavity 27 extend to the inner side of the outer half cavity 28, through the above structure, when the bottom end discharging position of the extruding end 6 is blocked, the material in the storage material bin 17 is continuously supplied, so that the pressure in the storage material bin 17 is increased, the space in the storage material bin 17 is filled, and the elastic air bag 26 is extruded and shrunk, so that the air in the elastic air bag 26 is discharged into the inner sides of the outer half cavity 28 and the air cavity 27 along the pressure channel 29, the pressure in the air cavity 27 is increased, so that the air pressure in the air cavity 27 and the outer half cavity 28 is increased, the air cavity 27 moves outward on one side to balance the air pressure, so that the sliding end 25 slides along the sliding short rod 23 through the sliding block 24, so that the distance between the sliding end 25 and the bottom end discharging position of the extruding end 6 is increased, when the material flows out normally, the pressure in the storage material bin 17 is normal, at this time, due to the structural property of elastic recovery of the elastic air bag 26, the inside of the elastic air bag 26 is in a negative pressure state, so that the compressed air in the air cavity 27 returns to the inside of the elastic air bag 26 along the pressure channel 29 to balance the air pressure, so that the material normally slides from the side surface of the elastic air bag 26, and the structure returns to the original state, so as to prevent the outlet from being blocked due to condensation of the material, through extrusion of the internal structure deformation and transfer of the air pressure to make the structure move, the structure driving process does not need to consume electric energy, can cope with the emergency situation of discharging blockage, and can avoid equipment damage.

[0043] See Figure 5 , the connecting joint 19 is in fixed connection with the threaded joint 30, the threaded joint 30 is in fixed connection with the short shank 31, the short shank 31 is arranged in an annular array on the bottom surface of the threaded joint 30, the connecting joint 19 is in threaded connection with the slot joint 18, through the above structure, when the slot joint 18 and the connecting joint 19 are blocked by material, or the material in the conveying pipe 20 is blocked, the connecting joint 19 is rotated, so that the connecting joint 19 is rotated from the top end of the slot joint 18, and the connecting joint 19 is separated from the slot joint 18.

[0044] See Figure 5The inner wall of the slot joint 18 is provided with a thread, the inner plug block 34 is threadedly connected with the slot joint 18, the surface edge of the inner plug block 34 is provided with a tip slot 36, the tip slot 36 corresponds to the position of the short tip 31, the inner side of the tip slot 36 is provided with a flow material slot 35, the flow material slot 35 penetrates to the bottom surface of the inner plug block 34, the cross section of the inner plug block 34 is in the shape of a T letter, the bottom side of the slot joint 18 is provided with a discharging channel 37, the slot joint 18 is provided with a heating ring 33, the heating ring 33 is electrically connected with the power supply column 32, when the connecting joint 19 is separated from the slot joint 18, the bottom surface of the screw joint 30 is provided with the short tip 31, and the short tip 31 rotates along with the rotation of the connecting joint 19, and the short tip 31 gradually separates from the inside of the tip slot 36, in the process that the short tip 31 is not separated from the tip slot 36, the screw joint 30 rotates to drive the short tip 31 to drive the inner plug block 34 to rotate, and then the inner plug block 34 just blocks the discharging channel 37 after the short tip 31 is separated from the tip slot 36, so as to prevent the material from flowing out from the inside of the material storage bin 17, and then the material conveying pipe 20 is convenient to replace, so that the replacement is carried out under the condition that the equipment normally operates, and the influence of maintenance shutdown on production is reduced.

[0045] See Figure 6 The fixed frame plate 13 is fixedly connected with the iron core block 39, the electromagnetic coil 38 is wound on the outside of the iron core block 39, the connecting rod plate 40 is fixedly connected with the magnetic plate 41, the magnetic pole on the bottom surface of the magnetic plate 41 is the same as the magnetic pole generated by the electrification of the electromagnetic coil 38, through the above structure, when it is needed to lift the connecting rod plate 40 upward, the electromagnetic coil 38 is in the electrification state, and then the electromagnetic coil 38 forms the same magnetic pole as the bottom surface of the magnetic plate 41 on the surface of the iron core block 39, and then the compression wheel 48 is lifted upward under the condition that the magnetic forces repel each other, after the electromagnetic coil 38 loses the electrification, the iron core block 39 is close to each other under the magnetic attraction of the magnetic plate 41, and the improved structure has the advantages that the structure is lifted by using the electromagnetic structure, the operation speed of the structure is improved, and the electric energy consumed is small.

[0046] See Figure 7The fixed frame plate 13 is slidably connected with the sliding vertical rod 42, the sliding vertical rod 42 is fixedly connected with the connecting rod plate 40, the outer side of the sliding vertical rod 42 is fixedly connected with the fixed ring 45, the upper surface of the fixed ring 45 is fixedly connected with the elastic spring 44, the other end of the elastic spring 44 is fixedly connected with the fixed frame plate 13, the side surface of the fixed ring 45 is fixedly connected with the hinged rod 46, the two sides of the hinged rod 46 are rotatably connected with the balance wheel rod 47, the end side surface of the balance wheel rod 47 is rotatably connected with the pressure wheel 48, the middle position of the side surface of the balance wheel rod 47 is fixedly connected with the tension spring 49, and the end of the sliding vertical rod 42 is rotatably connected with the wheel cutter 50. Through the above structure, when the connecting rod plate 40 is lifted to the highest position, at this time, the two balance wheel rods 47 are close to each other under the action of the elastic spring 44, and the pressure wheel 48 moves upward together with the lifting of the sliding vertical rod 42, when the sliding vertical rod 42 moves downward, the fixed ring 45 also moves downward together with the sliding vertical rod 42, and the elastic force of the elastic spring 44 is released, then the balance wheel rod 47 is flipped on both sides with the hinged rod 46 as the node, until the wheel cutter 50 contacts the film, and the pressure wheel 48 flattens the cut part of the film, ensuring that the incision of the film edge is flat.

[0047] See Figure 8 The two ends of the dust removal end 7 are slidably connected with the pressing rod 51, the end of the pressing rod 51 is fixedly connected with the pressing strip 52, the bottom surface of the pressing strip 52 is fixedly connected with the dust brushing cotton strip 53, and the right side surface of the pressing strip 52 is fixedly connected with the scraper 54. Through the above structure, the spring contraction force of the top end of the pressing rod 51 is used to make the pressing rod 51 slide through the dust removal end 7 and push the pressing strip 52 at the end of the pressing rod 51, so that the dust brushing cotton strip 53 at the bottom of the pressing strip 52 is attached to the surface of the fixed cylinder 8, thereby cleaning the dust and impurities on the surface of the fixed cylinder 8. At the same time, with the rotation of the fixed cylinder 8, the scraper 54 on the side surface of the pressing strip 52 is also attached to the surface of the fixed cylinder 8, so that the impurities on the surface of the fixed cylinder 8 that are difficult to remove by wiping are removed by the scraper 54, thereby ensuring the smoothness of the surface of the fixed cylinder 8 and making the produced film more flat.

[0048] In use, first, the material conveying, through the external pipeline to the distribution pipe 21 conveying heated material, then through the distribution pipe 21 side of each material pipe 20 through the connecting joint 19 into the inside of the extrusion end 6, when the extrusion end 6 bottom end out of material is blocked, the material in the storage material bin 17 is continuously supplied, and the pressure in the storage material bin 17 is increased, the space in the storage material bin 17 is filled, and the elastic air bag 26 is contracted, and the air in the elastic air bag 26 is discharged into the inside of the outer half cavity 28 and the air cavity 27 along the pressure channel 29, so that the pressure in the air cavity 27 is increased, so that the air pressure in the air cavity 27 and the outer half cavity 28 is increased, so that the air cavity 27 side moves outward to balance the air pressure, and then the sliding end 25 slides along the sliding short rod 23 through the sliding block 24, so that the sliding end 25 and the extrusion end 6 bottom end out of material distance increases, and the material flows out, when the slot joint 18 and the connecting joint 19 have material blockage, or the material pipe 20 has material blockage, by rotating the connecting joint 19, the connecting joint 19 is rotated from the top end of the slot joint 18, and the connecting joint 19 is separated from the slot joint 18, at the same time, the short shank 31 of the threaded joint 30 is rotated with the rotation of the connecting joint 19, and the short shank 31 is gradually separated from the inside of the shank slot 36, during the process of the short shank 31 not separating from the shank slot 36, the threaded joint 30 rotates to drive the inner plug block 34 to rotate, and then after the short shank 31 separates from the shank slot 36, the inner plug block 34 just blocks the discharge channel 37, so as to prevent the material from flowing out of the inside of the storage material bin 17, and then the material pipe 20 is replaced, so as to replace the material pipe 20 in the case of normal operation of the equipment, if the connecting rod plate 40 needs to be lifted upward, the electromagnetic coil 38 is in the energized state, so that the electromagnetic coil 38 forms the same magnetic pole as the bottom surface of the magnetic plate 41 on the surface of the iron core block 39, so that the pressure wheel 48 is lifted upward under the repulsion of the magnetic force, after the electromagnetic coil 38 loses power, the iron core block 39 is attracted to each other by the magnetic force of the magnetic plate 41, and the two side balance wheel rods 47 are attracted to each other by the elastic force of the elastic spring 44, and the pressure wheel 48 moves upward with the lifting of the sliding vertical rod 42, in use, the spring contraction force of the lower pressing rod 51 top end is used to make the lower pressing rod 51 slide through the dust removal end 7, and push the lower pressing rod 51 end lower pressing strip 52, so that the dust removal cotton bar 53 at the bottom of the lower pressing strip 52 is attached to the surface of the fixed roller 8, and then the dust and impurities on the surface of the fixed roller 8 are cleaned.

Claims

1. A uniform type BOPP film production extruder with non-clogging feed, characterized by: Including the bottom box (1), both sides of the bottom box (1) are fixedly connected with the baffle (2), the side surface of the baffle (2) is fixedly connected with the support frame (3), the top surface of the support frame (3) is fixedly connected with the top plate (4), the left side of the top plate (4) is provided with the extrusion end (6), the side surface of the extrusion end (6) is provided with the dust removal end (7), the left side of the baffle (2) is fixedly connected with the fixed shaft plate (5), the side surface of the fixed shaft plate (5) is rotatably connected with the fixed roller (8), the side surface of the fixed shaft plate (5) is fixedly connected with the roller shaft frame (9), the middle position of the roller shaft frame (9) is provided with the auxiliary rotating upper shaft (10), the end of the roller shaft frame (9) is provided with the auxiliary rotating lower shaft (11), the bottom side of the roller shaft frame (9) is fixedly connected with the extension swing frame (12), the end of the extension swing frame (12) is provided with the fixed frame plate (13), both sides of the top plate (4) are fixedly connected with the telescopic end (14), the telescopic end (14) is fixedly connected with the extrusion end (6), the side surface of the top plate (4) is fixedly connected with the hydraulic cylinder (15), the end of the hydraulic cylinder (15) is fixedly connected with the adjusting roller (16); The inside top end of the extrusion end (6) is provided with a slot connector (18), the upper side of the slot connector (18) is provided with a connecting connector (19), the inner wall side of the extrusion end (6) is provided with an elastic air bag (26), the left end bottom side of the extrusion end (6) is provided with a sliding short rod (23), the outer side of the sliding short rod (23) is provided with a sliding block (24), the bottom side of the sliding block (24) is provided with a sliding end (25); The bottom end of the connecting connector (19) is provided with a threaded connector (30), the bottom surface of the threaded connector (30) is provided with a short tip (31), the outer side of the slot connector (18) is provided with a power supply post (32), the inside of the slot connector (18) is provided with an inner plug block (34); The inside of the fixed frame plate (13) is provided with an iron core block (39), both ends of the fixed frame plate (13) are provided with a sliding vertical rod (42), the outer side of the iron core block (39) is provided with an electromagnetic coil (38), the iron core block (39) is provided with a connecting rod plate (40) directly above, the inside of the connecting rod plate (40) is provided with a magnetic force plate (41), the fixed frame plate (13) is provided with a film guide plate (43) directly below, and the film guide plate (43) is fixedly connected with the extension swing frame (12).

2. The uniform type BOPP film production extruder of claim 1, wherein: The inside of the extrusion end (6) is provided with a storage material bin (17), the slot connector (18) is fixedly connected with the extrusion end (6), the storage material bin (17) and the connecting connector (19) constitute a communication structure through the slot connector (18), the end of the connecting connector (19) is fixedly connected with a material conveying pipe (20), the end of the material conveying pipe (20) is fixedly connected with a material distribution pipe (21), the material distribution pipe (21) is located in the inside of the top plate (4), the material distribution pipe (21) is connected with an external material supply pipe, and the inside of the extrusion end (6) is provided with a heating pipe (22) on both sides.

3. The uniform type of BOPP film production extruder of claim 1, wherein: The sliding short rod (23) is in sliding connection with the sliding block (24), the sliding block (24) is in fixed connection with the sliding end (25), the elastic air bag (26) is in fixed connection with the inner wall of the extrusion end (6), the side surface of the extrusion end (6) is connected with the pressure channel (29), the other end of the pressure channel (29) is connected with the outer half cavity (28), the outer half cavity (28) is located on the left side surface of the extrusion end (6), the side surface of the sliding end (25) is provided with the air cavity (27), and the air cavity (27) extends to the inner side of the outer half cavity (28) on the upper and lower sides.

4. The uniform type of BOPP film production extruder of claim 1, wherein: The connecting joint (19) is in fixed connection with the threaded joint (30), the threaded joint (30) is in fixed connection with the short shank (31), the short shanks (31) are arranged in an annular array on the bottom surface of the threaded joint (30), and the connecting joint (19) is in threaded connection with the slot joint (18).

5. The uniform type of BOPP film production extruder of claim 1, wherein: The inner wall of the slot joint (18) is provided with threads, the inner plug block (34) is in threaded connection with the slot joint (18), the surface edge of the inner plug block (34) is provided with the shank slot (36), the shank slots (36) are in one-to-one correspondence with the positions of the short shanks (31), the inner side of the shank slot (36) is provided with the flow material groove (35), the flow material groove (35) penetrates to the bottom surface of the inner plug block (34), the cross section of the inner plug block (34) is in the shape of a "T" letter, the bottom side of the slot joint (18) is provided with the discharging channel (37), the slot joint (18) is provided with the heating ring (33) inside, and the heating ring (33) is in electrical connection with the electrified wire column (32).

6. The uniform type of BOPP film production extruder of claim 1, wherein: The fixed frame plate (13) is in fixed connection with the iron core block (39), the electromagnetic coil (38) is wound on the outer side of the iron core block (39), the connecting rod plate (40) is in fixed connection with the magnetic plate (41), and the magnetic pole on the bottom surface of the magnetic plate (41) is the same as the magnetic pole generated by the electrification of the electromagnetic coil (38).

7. The uniform type of BOPP film production extruder of claim 1, wherein: The fixed frame plate (13) is in sliding connection with the sliding vertical rod (42), the sliding vertical rod (42) is in fixed connection with the connecting rod plate (40), the outer side of the sliding vertical rod (42) is fixedly connected with the fixed ring (45), the upper surface of the fixed ring (45) is fixedly connected with the elastic spring (44), the other end of the elastic spring (44) is fixedly connected with the fixed frame plate (13), the side surface of the fixed ring (45) is fixedly connected with the hinged rod (46), both sides of the hinged rod (46) are rotatably connected with the balance wheel rod (47), the end side surface of the balance wheel rod (47) is rotatably connected with the pressure wheel (48), the side surface of the balance wheel rod (47) is fixedly connected with the tension spring (49), and the end of the sliding vertical rod (42) is rotatably connected with the wheel cutter (50).

8. The uniform type of BOPP film production extruder of claim 1, wherein: Both ends of the dust removal end (7) are in sliding connection with the downward pressing rod (51), the end of the downward pressing rod (51) is fixedly connected with the downward pressing strip (52), the bottom surface of the downward pressing strip (52) is fixedly connected with the dust brushing cotton strip (53), and the right side surface of the downward pressing strip (52) is fixedly connected with the scraper (54).

Citation Information

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