CN116119433B - Super-strong stretch film extrusion production line and production process thereof - Google Patents
Super-strong stretch film extrusion production line and production process thereof Download PDFInfo
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- CN116119433B CN116119433B CN202211446139.XA CN202211446139A CN116119433B CN 116119433 B CN116119433 B CN 116119433B CN 202211446139 A CN202211446139 A CN 202211446139A CN 116119433 B CN116119433 B CN 116119433B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/13—Thickness
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a super-strong stretching film extrusion production line and a production process thereof, and the super-strong stretching film extrusion production line comprises a winding machine and a supporting cylinder, wherein the top end surface of the supporting cylinder is rotationally connected with three first conveying rollers, the middle surface of the supporting cylinder is rotationally connected with four second conveying rollers, the three first conveying rollers are respectively inserted between two adjacent second conveying rollers, a plurality of spreading rollers are arranged at the left end and the right end of each second conveying roller through a spreading mechanism, the spreading mechanism is used for driving all the spreading rollers contacted with a stacking position to move in a direction away from the second conveying rollers synchronously when stretching films are stacked, the top end of the supporting cylinder is provided with a detection mechanism, and the detection mechanism is used for detecting the stacking position of the stretching films and driving the spreading mechanism to spread, so that the problem that the existing super-strong stretching film extrusion production line does not have the functions of stretching film stacking detection and spreading is solved.
Description
Technical Field
The invention relates to the technical field of stretched film production, in particular to an ultra-strong stretched film extrusion production line and a production process thereof.
Background
The super-strong stretch film is also called super-strong winding film, is one of the commonly used packaging materials, has the effects of moisture resistance and dust resistance, is widely applied to the commodity logistics transportation process of commodities, and needs to be rewound and stored by using a special winding drum after extrusion and stretching, so that the transportation and the use after extrusion and stretching are convenient.
In the prior art, when the super-strong stretched film is rewound, the stretched film can often generate a stacked condition on the surface of a winding drum, the stacked stretched film can not only lead to nonstandard finished products of the stretched film, but also lead to damage of the stretched film, the traditional anti-stacking needs continuous observation of staff, when the stacked stretched film is found, the stretched film is stopped and stretched, the operation is very complicated, the workload of the staff is increased, and the existing super-strong stretched film extrusion production line does not have the functions of detecting and stretching the stretched film stack.
Based on the above, the invention designs a super-strong stretch film extrusion production line and a production process thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a super-strong stretched film extrusion production line with the functions of detecting and spreading a stretched film stack and a production process thereof, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a superstrong tensile membrane extrusion line, includes coiler, support section of thick bamboo, the top surface of support section of thick bamboo rotates and is connected with three first conveying roller, the middle part surface of support section of thick bamboo rotates and is connected with four second conveying rollers, three first conveying roller alternates respectively between two adjacent second conveying rollers, the both ends are all provided with a plurality of spreading rollers through spreading mechanism about the second conveying roller, spreading mechanism is used for driving the spreading roller that contacts with the stack department when tensile membrane stacks and keeps away from all spreading rollers of second conveying roller direction, moves to keeping away from the direction of second conveying roller in step, the top of support section of thick bamboo is provided with detection mechanism, detection mechanism is used for detecting the position that tensile membrane stacks and drives spreading mechanism and spreads;
as a further proposal of the invention, the spreading mechanism comprises a mounting cylinder fixedly mounted on the inner wall of the mounting cylinder, a mounting shaft is fixedly mounted at the middle part of the mounting cylinder, a plurality of mounting plates which are linearly arrayed along the mounting shaft are arranged at the outer side of the mounting shaft, a first sleeve is fixedly mounted at one end which is far away from each other of the two mounting plates and is connected with the mounting shaft in a sliding manner, a fourth sleeve is fixedly mounted at one end which is far away from each other of the two first sleeves, a second sleeve is fixedly mounted at one end which is far away from each other of the two second mounting plates, one end which is far away from each other of the two second sleeves is fixedly connected with the other of the mounting shaft through the other of the mounting plates, a third sleeve is fixedly mounted at one end which is far away from each other of the mounting shaft through the other of the mounting plates, one end which is far away from each other of the third sleeve is connected with the mounting plates in a sliding manner, a fifth stretching mechanism is arranged at one end which is far away from each other of the mounting plates and is far away from each other of the mounting shaft through the mounting shafts, and a fifth stretching mechanism is connected with the two stretching mechanism which is arranged at one end which is far away from each other of the mounting shafts through the mounting plates which is far away from each other of the mounting plates, and the stretching mechanism is far away from each other of the mounting shafts is arranged at five ends which is far away from each mounting shafts and is far from the mounting shafts through the mounting shafts and is far from the mounting shafts and is connected with the end which is far away from each mounting shafts and is mutually and is far away from the mounting discs and is respectively connected with the mounting discs and is stretching mechanism with the stretching mechanism, the driving mechanism is used for driving the mounting disc to move towards the end part of the mounting cylinder through detection of the detection mechanism;
as a further scheme of the invention, the driving mechanism comprises a supporting plate fixedly installed at one side, far away from each other, of the bottom end of the mounting cylinder, a first electric push rod is fixedly installed at the top end of the supporting plate and is in sliding connection with a first T-shaped rod, the output end of the first electric push rod is fixedly connected with the first T-shaped rod, the top end of the first T-shaped rod is used for limiting the end of the first sleeve, a second electric push rod is fixedly installed at the top end of the horizontal end of the first T-shaped rod and is in sliding connection with a second T-shaped rod, the output end of the second electric push rod is fixedly connected with the second T-shaped rod, the top end of the second T-shaped rod is fixedly installed with a third electric push rod and is in sliding connection with a third T-shaped rod, the output end of the third electric push rod is connected with the third T-shaped rod, the top end of the third T-shaped rod is used for limiting the end of the third sleeve, the top end of the third T-shaped rod is fixedly installed with the fourth T-shaped rod, the top end of the third T-shaped rod is fixedly connected with the fourth T-shaped rod, the fourth T-shaped rod is fixedly connected with the top end of the fourth T-shaped rod, and is in sliding connection with the fourth T-shaped rod;
as a further scheme of the invention, four electric telescopic rods are fixedly arranged at the top end of the supporting cylinder, limit frames are fixedly arranged at the output ends of the electric telescopic rods, lifting frames are slidably connected to the first ends of the limit frames, which are far away from the electric telescopic rods, the top ends of the lifting frames are rotatably connected with pulling rollers, guide mechanisms are arranged at the bottom ends of the lifting frames, and the guide mechanisms are used for limiting the pulling rollers to extend upwards when moving towards the electric telescopic rods and move downwards to be stored when the pulling rollers move towards the opposite directions;
as a further scheme of the invention, the guide mechanism comprises a plurality of limiting plates which are fixedly arranged at the top end of the mounting cylinder and are in one-to-one correspondence with the lifting frames, a limiting groove is formed in the middle of each limiting plate, a wedge-shaped block is connected to the inner wall of one end, far away from the electric telescopic rod, of each limiting groove in a sliding manner through a compression spring, and a limiting rod is fixedly arranged on the side wall of each lifting frame, passes through each limiting groove and is connected with each limiting rod in a sliding manner;
as a further scheme of the invention, the telescopic mechanism comprises a telescopic frame which is rotationally connected with one side of a spreading roller close to a mounting shaft, the telescopic frame penetrates through a mounting cylinder and is connected with the mounting cylinder in a sliding manner, four guide frames are fixedly arranged on the outer side of the mounting plate, guide rods are fixedly arranged on the side walls of one ends of the telescopic frame close to the mounting plate, the guide rods penetrate through the guide frames and are connected with the guide frames in a sliding manner, a second mounting plate far from the middle part of the mounting shaft is connected with a first sleeve through a one-way bearing, a third mounting plate far from the middle part of the mounting shaft is connected with a second sleeve through a one-way bearing, a fourth mounting plate far from the middle part of the mounting shaft is connected with a fourth sleeve through a one-way bearing, servo motors are fixedly arranged on the side walls of the first T-shaped rod, the second T-shaped rod, the third T-shaped rod and the fifth T-shaped rod, a gear is fixedly arranged at the output end of the servo motor, the first sleeve, the second sleeve, the third sleeve and the fourth sleeve are fixedly arranged on the side walls of the fourth T-shaped rod, and the fourth sleeve are meshed with the gear, and the outer side of the fourth sleeve is fixedly meshed with the gear ring;
as a further scheme of the invention, the detection mechanism comprises a mounting frame fixedly mounted at the top end of a supporting cylinder, the bottom end of the mounting frame is slidably connected with a plurality of detection frames of a linear array through a compression spring, the bottom ends of the detection frames are rotationally connected with detection rollers, the bottom ends of the detection rollers correspond to the first conveying rollers at the top ends, a plurality of sensors which correspond to the detection frames one by one are mounted at the top ends of the mounting frame, and the top ends of the detection frames are attached to the sensors;
an extrusion production process of a super-strong stretch film comprises the following steps:
step one: when the stretched film is stacked, the detecting mechanism detects the position of the stack according to the thickness of the stretched film;
step two: the stretching mechanism drives all the spreading rollers contacted with the stacking position to be far away from the second conveying roller, and synchronously moves in a direction far away from the mounting shaft, so that the front and rear first conveying rollers are not contacted with the stretched film any more;
step three: the driving mechanism drives the partial spreading rollers to synchronously move towards the end part of the supporting cylinder, and the spreading rollers move to pull one side of the stretched film to transversely move until the stacking position is spread.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the telescopic mechanism, when the detection mechanism detects that the thickness of a part of the stretched film is greater than the standard thickness of a layer of the stretched film, the telescopic mechanism drives the part of the spreading roller to synchronously separate from the mounting plate, the stretched film at the part corresponding to the part of the spreading roller is supported, the top of the part of the stretched film forms a horizontal plane and keeps in contact with the top first conveying roller, and the part of the stretched film is not contacted with the other first conveying rollers, so that convenience is brought to the subsequent transverse pulling of the stretched film, the friction resistance between the stretched film and the first conveying roller is reduced, the abrasion on the surface of the stretched film is reduced, and the quality of the stretched film is improved.
2. According to the invention, the driving mechanism is arranged, when part of the stretched film is jacked up, the driving mechanism starts to drive the part of the spreading roller to move towards the end part of the supporting cylinder, and the part of the spreading roller pulls the part of the stretched film from the bottom of the stretched film towards the end part of the supporting roller, so that the stacked stretched film is gradually straightened and spread until the stacked part is restored to the initial state, the detection and spreading of the stacked stretched film are realized, a worker does not need to continuously observe the stretched film in the production and processing process, the workload of the worker is greatly reduced, and the problem that the existing super-strength stretched film extrusion production line does not have the stretched film stacking detection and spreading function is solved.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of the connection structure of the support cylinder and the first conveying roller in the present invention;
FIG. 5 is a schematic view of the connection structure of the mounting cylinder and the mounting shaft in the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic view of the connection structure of the mounting shaft and the mounting plate of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 9 is a schematic cross-sectional view of the internal structure of the side view of the present invention;
FIG. 10 is a schematic view of the connection structure of the support plate and the first T-bar according to the present invention;
fig. 11 is a schematic view of the connection structure of the fourth T-bar and the fifth T-bar in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a winding machine; 2. a support cylinder; 3. a first conveying roller; 4. a second conveying roller; 5. a spreading roller; 6. a mounting cylinder; 7. a mounting shaft; 8. a mounting plate; 9. a first sleeve; 10. a second sleeve; 11. a third sleeve; 12. a fourth sleeve; 13. a fifth sleeve; 14. a support plate; 15. a first electric push rod; 16. a first T-bar; 17. a second electric push rod; 18. a second T-bar; 19. a third electric push rod; 20. a third T-bar; 21. a fourth electric push rod; 22. a fourth T-bar; 23. a fifth electric push rod; 24. a fifth T-bar; 25. an electric telescopic rod; 26. a limit frame; 27. a lifting frame; 28. pulling the roller; 29. a limiting plate; 30. a limit groove; 31. wedge blocks; 32. a limit rod; 33. a telescopic frame; 34. a guide frame; 35. a guide rod; 36. a servo motor; 37. a gear; 38. a toothed ring; 39. a mounting frame; 40. a detection frame; 41. a detection roller; 42. a sensor.
Detailed Description
Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a superstrong tensile membrane extrusion line, including coiler 1, support section of thick bamboo 2, the top surface of support section of thick bamboo 2 rotates and is connected with three first conveying roller 3, the middle part surface of support section of thick bamboo 2 rotates and is connected with four second conveying roller 4, three first conveying roller 3 alternates respectively between two adjacent second conveying roller 4, the both ends are provided with a plurality of spreading rollers 5 through spreading mechanism about the second conveying roller 4, spreading mechanism is used for driving the spreading roller 5 that contacts with the stack place when tensile membrane stacks and keeps away from all spreading rollers 5 of second conveying roller 4 direction, synchronous to keep away from the direction of second conveying roller 4 is moved, the top of support section of thick bamboo 2 is provided with detection mechanism, detection mechanism is used for detecting tensile membrane stack position and drives spreading mechanism and spreads;
the spreading mechanism comprises a mounting cylinder 6 fixedly mounted on the inner wall of the supporting cylinder 2, a mounting shaft 7 is fixedly mounted in the middle of the mounting cylinder 6, a plurality of mounting plates 8 which are linearly arrayed along the mounting shaft 7 are arranged on the outer side of the mounting shaft 7, first sleeves 9 are fixedly mounted at the ends, which are far away from each other, of the two mounting plates 8 near the middle of the mounting shaft 7 and are connected with the mounting shaft 7 in a sliding manner, first ends, which are far away from each other, of the two first sleeves 9 penetrate through the rest of the mounting plates 8 and are connected with the rest of the mounting plates in a sliding manner, second sleeves 10 are fixedly mounted at the ends, which are far away from each other, of the two second mounting plates 8 far away from the middle of the mounting shaft 7, third sleeves 11 are fixedly mounted at the ends, which are far away from each other, of the two third mounting plates 8 far away from the middle of the mounting shaft 7, the ends of the two third sleeves 11 far away from each other penetrate through the rest of the mounting plates 8 and are connected with the same in a sliding manner, the ends of the two fourth mounting plates 8 far away from the middle of the mounting shaft 7 are fixedly provided with fourth sleeves 12, the ends of the two fourth sleeves 12 far away from each other penetrate through the rest of the mounting plates 8 and are connected with the same in a sliding manner, the ends of the two fifth mounting plates 8 far away from the middle of the mounting shaft 7 are fixedly provided with fifth sleeves 13, the ends of the two fifth sleeves 13 far away from each other penetrate through the rest of the mounting plates 8 and are connected with the same in a sliding manner, the outer sides of the mounting plates 8 are connected with the spreading rollers 5 through telescopic mechanisms, the telescopic mechanisms are used for driving the spreading rollers 5 to move towards the direction far away from the mounting shaft 7 when the tensile films are stacked, the two ends of the mounting cylinders 6 are provided with driving mechanisms, the driving mechanism is used for driving the mounting disc 8 to move towards the end part of the mounting cylinder 6 through detection of the detection mechanism;
when the stretching machine 1 works, the stretching machine starts to drive the stretching film to pass through the outer side of the supporting cylinder 2, the stretching film moves to drive the first conveying roller 3, the second conveying roller 4 and the spreading roller 5 to rotate, when the stretching film is stacked in the moving process, the detecting mechanism detects that the thickness of part of the stretching film is larger than the standard thickness of one layer of stretching film, and the stretching film corresponding to the part of the stretching film corresponding to the third group of four spreading rollers 5 from right to left is stacked for example, at the moment, the stretching mechanism drives the first group of four spreading rollers 5 from right to left and the second group of four spreading rollers 5 from right to left to synchronously move in a direction away from the mounting disc 8, and the stretching film corresponding to the parts of the first group of stretching rollers 5 from right to left is supported, the top of the part of the stretching film forms a horizontal plane and keeps in a contact state with the first conveying roller 3 at the top, and the part of the stretching film and the rest of the stretching film are not contacted any more, so that convenience is provided for the subsequent transverse pulling of the stretching film, the friction resistance between the stretching film and the first conveying roller 3 is reduced, the surface of the stretching film is improved, and the abrasion of the stretching film is also reduced;
when the part of the stretched film is jacked up, the driving mechanism starts to drive the fourth sleeve 12 to move rightwards, the fourth sleeve 12 moves rightwards to drive the second group of four spreading rollers 5 to synchronously move rightwards from right to left through the telescopic mechanism, the second group of four spreading rollers 5 move rightwards to push the first group of four spreading rollers 5 to synchronously move rightwards from right to left, at the moment, the two groups of spreading rollers 5 pull the part of the stretched film rightwards from the bottom of the stretched film, the part of the stretched film, which corresponds to the third group of spreading rollers 5 from right to left, is gradually straightened and paved in the process of moving rightwards until the stacked part is restored to an initial state, at the moment, the detecting mechanism detects the thickness of the stretched film of the stacked part to restore the thickness of one layer of the stretched film, the driving mechanism stops running and does not pull rightwards any more, the telescopic mechanism runs again to restore the spreading rollers 5 extending from right to the first group to the initial state, so that preparation is made for the next operation, the repeated operation realizes continuous detection and spreading of the stretched film, the stacked stretched film is not necessary, the work line of stretching staff is greatly reduced in the process of stretching film production, the work line is continuously observed, and the problem of the stretched film is not continuously detected in the process is solved.
As a further scheme of the invention, the driving mechanism comprises a supporting plate 14 fixedly arranged on one side, far away from each other, of the bottom end of the mounting cylinder 6, a first electric push rod 15 is fixedly arranged on the top end of the supporting plate 14 and is connected with a first T-shaped rod 16 in a sliding way, the output end of the first electric push rod 15 is fixedly connected with the first T-shaped rod 16, the top end of the first T-shaped rod 16 is used for limiting the end part of the first sleeve 9, a second electric push rod 17 is fixedly arranged on the top end of the horizontal end of the first T-shaped rod 16 and is connected with a second T-shaped rod 18 in a sliding way, the output end of the second electric push rod 17 is fixedly connected with the second T-shaped rod 18, the top end of the second T-shaped rod 18 is used for limiting the end part of the second sleeve 10, a third electric push rod 19 is fixedly arranged on the top end of the horizontal end of the second T-shaped rod 18 and is connected with a third T-shaped rod 20 in a sliding way, the output end of the third electric push rod 19 is fixedly connected with the third T-shaped rod 20, the top end of the third T-shaped rod 20 is fixedly connected with the end part of the third sleeve 11, the top end of the horizontal end of the third T-shaped rod 20 is fixedly provided with a fourth electric push rod 21 and is in sliding connection with a fourth T-shaped rod 22, the output end of the fourth electric push rod 21 is fixedly connected with the fourth T-shaped rod 22, the top end of the fourth T-shaped rod 22 is fixedly connected with the end part of the fourth sleeve 12, the top end of the horizontal end of the fourth T-shaped rod 22 is fixedly provided with a fifth electric push rod 23 and is in sliding connection with a fifth T-shaped rod 24, the output end of the fifth electric push rod 23 is fixedly connected with the fifth T-shaped rod 24, and the top end of the fifth T-shaped rod 24 is fixedly connected with the end part of the fifth sleeve 13;
when the stretching film is jacked, the detection mechanism drives the fourth electric push rod 21 to start, the fourth electric push rod 21 starts to push the fourth T-shaped rod 22 to move rightwards, the fourth T-shaped rod 22 moves rightwards to drive the fourth sleeve 12 to move rightwards, the fourth sleeve 12 moves rightwards to drive the second group of four stretching rollers 5 from right to left and the first group of four stretching rollers 5 from right to left to synchronously move rightwards through the telescopic mechanism, so that power is provided for rightwards pulling of the stretching rollers 5, and the rest stretching films are stacked in the same way as the stretching films; the device can spread the stretched film in the production and processing process, thereby providing convenience for the spreading operation of the stretched film and improving the production and processing efficiency; meanwhile, workers do not need to stop the machine to manually pave the stretched film, so that labor force is greatly saved.
As a further scheme of the invention, four electric telescopic rods 25 are fixedly arranged at the top end of the supporting cylinder 2, limit frames 26 are fixedly arranged at the output ends of the electric telescopic rods 25, lifting frames 27 are slidably connected to the first ends of the limit frames 26, which are far away from the electric telescopic rods 25, pull rollers 28 are rotatably connected to the top ends of the lifting frames 27, guide mechanisms are arranged at the bottom ends of the lifting frames 27 and are used for limiting the pull rollers 28 to extend upwards when moving towards the electric telescopic rods 25, and the pull rollers 28 move downwards to be stored when moving towards the opposite directions;
when the stretching film stretching machine works, when stretching films of the first group of stretching rollers 5 from left to right and the corresponding parts of the first group of stretching rollers 5 from right to left are stacked, taking stacking of the first group of stretching rollers 5 from right to left as an example, the two electric telescopic rods 25 at the right end are started to drive the two limiting frames 26 at the right side to move rightwards, the two limiting frames 26 at the right side are driven to drive the two pulling rollers 28 at the right side to move rightwards through the lifting frame 27, the guiding mechanism drives the two pulling rollers 28 to move upwards in the process that the two pulling rollers 28 at the two sides move rightwards, at the moment, the two pulling rollers 28 at the right side jack up and pull the stretching films corresponding to the two pulling rollers to the right until the stretching films are restored to a flat state, at the moment, the two pulling rollers 28 at the right side are restored to an initial state, and the parts for stacking the left ends and the right ends of the stretching films are flattened.
As a further scheme of the invention, the guide mechanism comprises a plurality of limiting plates 29 which are fixedly arranged at the top end of the mounting cylinder 6 and are in one-to-one correspondence with the lifting frames 27, a limiting groove 30 is formed in the middle of each limiting plate 29, a wedge-shaped block 31 is slidably connected to the inner wall of one end, far away from the electric telescopic rod 25, of each limiting groove 30 through a compression spring, a limiting rod 32 is fixedly arranged on the side wall of each lifting frame 27, and each limiting rod 32 penetrates through each limiting groove 30 and is slidably connected with each limiting rod 32;
when the right electric telescopic rod 25 drives the right lifting frame 27 to move rightwards, the right lifting frame 27 moves rightwards to drive the limiting rod 32 to move rightwards, at the moment, the limiting rod 32 is guided by the wedge-shaped block 31 and the inner wall of the limiting groove 30 and drives the lifting frame 27 to move upwards until the limiting rod 32 moves to the upper horizontal part of the limiting groove 30, when the limiting rod 32 continues to move rightwards to the right end of the limiting groove 30, the lifting frame 27 moves downwards under the action of gravity, at the moment, the limiting rod 32 is restored to the lower horizontal part of the limiting groove 30 again, the electric telescopic rod 25 starts to push the lifting frame 27 and the limiting rod 32 to move leftwards again, the inclined surface of the wedge-shaped block 31 is extruded in the process of moving leftwards, the wedge-shaped block 31 is extruded upwards to yield, until the limiting rod 32 returns to the initial state, and the cyclic reciprocating operation realizes the leveling operation of a stretched film.
As a further scheme of the invention, the telescopic mechanism comprises a telescopic frame 33 which is rotationally connected with one side of the spreading roller 5 close to the mounting shaft 7, the telescopic frame 33 penetrates through the mounting cylinder 6 and is connected with the mounting cylinder in a sliding way, four guide frames 34 are fixedly arranged on the outer side of the mounting plate 8, a guide rod 35 is fixedly arranged on one side wall of the telescopic frame 33 close to the mounting plate 8, the guide rod 35 penetrates through the guide frame 34 and is connected with the guide frame in a sliding way, a second mounting plate 8 far from the middle of the mounting shaft 7 is connected with the first sleeve 9 through a one-way bearing, a third mounting plate 8 far from the middle of the mounting shaft 7 is connected with the second sleeve 10 through a one-way bearing, the fourth mounting plate 8 far away from the middle part of the mounting shaft 7 is connected with the third sleeve 11 through a one-way bearing, the fifth mounting plate 8 far away from the middle part of the mounting shaft 7 is connected with the fourth sleeve 12 through a one-way bearing, the side walls of the first T-shaped rod 16, the second T-shaped rod 18, the third T-shaped rod 20, the fourth T-shaped rod 22 and the fifth T-shaped rod 24 are fixedly provided with a servo motor 36, the output end of the servo motor 36 is fixedly provided with a gear 37, the outer sides of the end parts of the first sleeve 9, the second sleeve 10, the third sleeve 11, the fourth sleeve 12 and the fifth sleeve 13 are fixedly provided with a toothed ring 38, and the toothed ring 38 is meshed with the adjacent gear 37;
in operation, taking stacking of the stretched films at the corresponding parts of the third group of four spreading rollers 5 from right to left as an example, the second servo motor 36 from right to left is started to drive the second toothed ring 38 from right to left to rotate through the gear 37, so that the second toothed ring 38 from left rotates to drive the fourth sleeve 12 to rotate, the fourth sleeve 12 rotates to drive the second mounting disc 8 from right to left to rotate, meanwhile, the fourth sleeve 12 rotates to drive the first mounting disc 8 from right to left to synchronously rotate through a one-way bearing, the two mounting discs 8 rotate to drive the guide frames 34 connected with the first mounting disc 8 to rotate around the mounting shaft 7, the guide frames 34 rotate to drive the first group of four telescopic frames 33 from right to left and the second group of four telescopic frames 33 from right to left to move away from the mounting shaft 7 through the guide rod 35, and the telescopic frames 33 move to drive the spreading rollers 5 to move, so that the stretched films are jacked;
when the spreading is completed, the servo motor 36 is started to drive the gear 37 to rotate reversely, so that the second mounting plate 8 is reset from right to left, and simultaneously the expansion bracket 33 and the guide rod 35 are pushed to rotate towards the mounting plate 8 by the first group of four spreading rollers 5 from right to left under the extrusion of the stretching film, and the guide rod 35 moves to push the first mounting plate 8 from right to left to rotate by the guide frame 34 until the first mounting plate 8 is restored to the initial state; by arranging a plurality of unidirectional bearings, the third sleeve 11 is not driven to rotate when the second mounting plate 8 rotates from right to left.
As a further scheme of the invention, the detection mechanism comprises a mounting frame 39 fixedly mounted at the top end of the supporting cylinder 2, the bottom end of the mounting frame 39 is slidably connected with a plurality of detection frames 40 in a linear array through a compression spring, the bottom ends of the detection frames 40 are rotatably connected with detection rollers 41, the bottom ends of the detection rollers 41 correspond to the top end first conveying rollers 3, a plurality of sensors 42 in one-to-one correspondence with the detection frames 40 are mounted at the top end of the mounting frame 39, and the top ends of the detection frames 40 are attached to the sensors 42;
when the stretching film stacking device works, the gap between the detecting roller 41 and the first conveying roller 3 at the top end is equal to the thickness of one layer of stretching film, when the stretching film corresponding to one detecting roller 41 is stacked, taking the stacking of the stretching film corresponding to the third detecting roller 41 from right to left as an example, the detecting roller 41 is pushed to move upwards by the stretching film, the detecting roller 41 moves upwards to drive the detecting frame 40 to move upwards, the detecting frame 40 moves upwards to enable the top end of the detecting frame 40 not to contact with the third sensor 42 from right to left any more, at the moment, the second servo motor 36 from right to left is started to drive the fourth sleeve 12 to rotate by a certain angle, and the fourth electric push rod 21 starts to operate after the servo motor 36 finishes operating; when the stack of the stretched films is laid out, the top end of the third detecting frame 40 from right to left comes into contact with the third sensor 42 from right to left again, and at this time, the fourth electric push rod 21 stops operating, and at the same time, the second servo motor 36 from right to left is started again to drive the fourth sleeve 12 to rotate in the opposite direction to the original state.
An extrusion production process of a super-strong stretch film comprises the following steps:
step one: when the stretched film is stacked, the detecting mechanism detects the position of the stack according to the thickness of the stretched film;
step two: the stretching mechanism drives all the spreading rollers 5 which are contacted with the stacking position and far away from the direction of the second conveying roller 4 to synchronously move in the direction far away from the mounting shaft 7, and at the moment, the front and rear first conveying rollers 3 are no longer contacted with the stretched film;
step three: the driving mechanism drives the above-mentioned part of the spreading roller 5 to move synchronously toward the end of the supporting cylinder 2, and the spreading roller 5 moves to pull one side of the stretched film to move laterally until the stacking position is spread.
Claims (8)
1. The utility model provides a superstrong tensile membrane extrusion line, includes coiler (1), support section of thick bamboo (2), its characterized in that: the top surface rotation of support section of thick bamboo (2) is connected with three first conveying roller (3), the middle part surface rotation of support section of thick bamboo (2) is connected with four second conveying roller (4), and is three first conveying roller (3) alternate respectively between two adjacent second conveying roller (4), both ends all are provided with a plurality of spreading roller (5) through spreading mechanism about second conveying roller (4), spreading mechanism is used for driving when tensile membrane stacks all spreading roller (5) that keep away from second conveying roller (4) direction with spreading roller (5) that the department contacted, and the synchronization is to keeping away from the direction of second conveying roller (4) and remove, the top of support section of thick bamboo (2) is provided with detection mechanism, detection mechanism is used for detecting the position that tensile membrane stacked and drives spreading mechanism and spreads.
2. The ultra-strong stretch film extrusion line as claimed in claim 1, wherein: the spreading mechanism comprises a mounting cylinder (6) fixedly mounted on the inner wall of a supporting cylinder (2), a mounting shaft (7) is fixedly mounted in the middle of the mounting cylinder (6), a plurality of mounting discs (8) which are linearly arrayed along the mounting shaft (7) are arranged on the outer side of the mounting shaft (7), a first sleeve (9) is fixedly mounted at one end, far away from each other, of two mounting discs (8) close to the middle of the mounting shaft (7), the first ends, far away from each other, of the first sleeves (9) penetrate through the rest of the mounting discs (8) and are connected with the rest of the mounting discs in a sliding manner, the second sleeve (10) is fixedly mounted at one end, far away from each other, of two second sleeves (10) penetrate through the rest of the mounting discs (8) and are connected with the sliding manner, the third sleeve (11) is fixedly mounted at one end, far away from each other, of two third mounting discs (8) far away from each other, of the second sleeves (11) are fixedly mounted at one end, far away from each other, of the second sleeves (8) are connected with the rest of the mounting discs (8) in a sliding manner, the one ends that two fourth sleeve (12) kept away from each other all pass other mounting disc (8) and are connected with it in a sliding way, keep away from the one end that two fifth mounting disc (8) kept away from each other in mounting axle (7) middle part all fixed mounting have fifth sleeve (13), two the one end that fifth sleeve (13) kept away from each other all passes other mounting disc (8) and is connected with it in a sliding way, the outside of mounting disc (8) is connected with spreading roller (5) through telescopic machanism, telescopic machanism is used for driving spreading roller (5) to the direction of keeping away from mounting axle (7) when tensile membrane piles up and removes, the both ends of mounting cylinder (6) are provided with actuating mechanism, actuating mechanism is used for driving mounting disc (8) to the tip of mounting cylinder (6) through detection of detection mechanism.
3. The ultra-strong stretch film extrusion line as claimed in claim 2, wherein: the driving mechanism comprises a supporting plate (14) fixedly arranged at one side, far away from each other, of the bottom end of a mounting cylinder (6), a first electric push rod (15) is fixedly arranged at the top end of the supporting plate (14) and is connected with a first T-shaped rod (16) in a sliding manner, the output end of the first electric push rod (15) is fixedly connected with the first T-shaped rod (16), the top end of the first T-shaped rod (16) is fixedly arranged at the end of a first sleeve (9), a second electric push rod (17) is fixedly arranged at the top end of the horizontal end of the first T-shaped rod (16) and is connected with a second T-shaped rod (18) in a sliding manner, the output end of the second electric push rod (17) is fixedly connected with the second T-shaped rod (18), the top end of the second T-shaped rod (18) is fixedly arranged at the top end of a second sleeve (10), a third electric push rod (19) is fixedly arranged at the top end of the horizontal end of the second T-shaped rod (18) and is connected with a third T-shaped rod (20) in a sliding manner, the top end of the third electric push rod (20) is fixedly connected with the top end of the third T-shaped rod (20), the output end of the fourth electric push rod (21) is fixedly connected with a fourth T-shaped rod (22), the top end of the fourth T-shaped rod (22) is used for limiting the end part of the fourth sleeve (12), the top end of the horizontal end of the fourth T-shaped rod (22) is fixedly provided with a fifth electric push rod (23) and is slidably connected with a fifth T-shaped rod (24), the output end of the fifth electric push rod (23) is fixedly connected with the fifth T-shaped rod (24), and the top end of the fifth T-shaped rod (24) is used for limiting the end part of the fifth sleeve (13).
4. A super-strong stretch film extrusion line as claimed in claim 3, wherein: four electric telescopic rods (25) are fixedly mounted on the top end of the supporting cylinder (2), limiting frames (26) are fixedly mounted at the output ends of the electric telescopic rods (25), lifting frames (27) are slidably connected to the first ends of the electric telescopic rods (25) away from the limiting frames (26), pulling rollers (28) are rotatably connected to the top ends of the lifting frames (27), guide mechanisms are arranged at the bottom ends of the lifting frames (27) and used for limiting the pulling rollers (28) to extend upwards when moving towards the electric telescopic rods (25), and the pulling rollers (28) move downwards to be stored when moving towards the opposite direction.
5. The ultra-strong stretch film extrusion line as claimed in claim 4, wherein: guiding mechanism includes a plurality of limiting plates (29) with crane (27) one-to-one of mounting cylinder (6) top fixed mounting, spacing groove (30) have been seted up at the middle part of limiting plate (29), the one end inner wall that electric telescopic handle (25) was kept away from to spacing groove (30) has wedge (31) through compression spring sliding connection, lateral wall fixed mounting of crane (27) has gag lever post (32), gag lever post (32) pass spacing groove (30) and are connected with it in a sliding way.
6. A super-strong stretch film extrusion line as claimed in claim 3, wherein: the telescopic mechanism comprises a telescopic frame (33) which is rotationally connected with one side of a spreading roller (5) close to a mounting shaft (7), the telescopic frame (33) passes through a mounting cylinder (6) and is connected with the mounting cylinder in a sliding manner, four guide frames (34) are fixedly mounted on the outer sides of the mounting plates (8), guide rods (35) are fixedly mounted on one end side walls of the telescopic frame (33) close to the mounting plates (8), the guide rods (35) pass through the guide frames (34) and are connected with the guide frames in a sliding manner, a second mounting plate (8) far away from the middle of the mounting shaft (7) is connected with a first sleeve (9) through a one-way bearing, a third mounting plate (8) far away from the middle of the mounting shaft (7) is connected with a second sleeve (10) through a one-way bearing, a fourth mounting plate (8) far away from the middle of the mounting shaft (7) is connected with a third sleeve (11) through a one-way bearing, a fifth mounting plate (8) far away from the middle of the mounting shaft (7) is connected with a fourth T-shaped motor (12), a T-shaped servo rod (24) and a T-shaped servo rod (20) are fixedly connected with the T-shaped servo rod (18), the output end of the servo motor (36) is fixedly provided with gears (37), the outer sides of the end parts of the first sleeve (9), the second sleeve (10), the third sleeve (11), the fourth sleeve (12) and the fifth sleeve (13) are fixedly provided with toothed rings (38), and the toothed rings (38) are meshed with adjacent gears (37).
7. The ultra-strong stretch film extrusion line as claimed in claim 1, wherein: the detection mechanism comprises a mounting frame (39) fixedly mounted at the top end of a supporting cylinder (2), a plurality of detection frames (40) of a linear array are slidably connected to the bottom end of the mounting frame (39) through compression springs, detection rollers (41) are rotatably connected to the bottom end of the detection frames (40), the bottom ends of the detection rollers (41) correspond to the first conveying rollers (3) at the top ends, a plurality of sensors (42) in one-to-one correspondence with the detection frames (40) are mounted at the top ends of the mounting frame (39), and the top ends of the detection frames (40) are attached to the sensors (42).
8. An extrusion production process of a super-strong stretch film, which is applicable to the extrusion production line of the super-strong stretch film as claimed in any one of claims 2 to 6, and is characterized in that: the production process comprises the following specific steps:
step one: when the stretched film is stacked, the detecting mechanism detects the position of the stack according to the thickness of the stretched film;
step two: the stretching mechanism drives all the spreading rollers (5) which are contacted with the stacking position and are far away from the second conveying roller (4), and synchronously moves in a direction far away from the mounting shaft (7), and at the moment, the front and rear first conveying rollers (3) are not contacted with the stretched film any more;
step three: the driving mechanism drives the partial spreading rollers (5) to synchronously move towards the end part of the supporting cylinder (2), and the spreading rollers (5) move to pull one side of the stretched film to transversely move until the stacking position is spread.
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