CN114905721B - Automatic production line for cylindrical films - Google Patents

Automatic production line for cylindrical films Download PDF

Info

Publication number
CN114905721B
CN114905721B CN202210680107.XA CN202210680107A CN114905721B CN 114905721 B CN114905721 B CN 114905721B CN 202210680107 A CN202210680107 A CN 202210680107A CN 114905721 B CN114905721 B CN 114905721B
Authority
CN
China
Prior art keywords
cooling
cylindrical film
ring
film
annular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210680107.XA
Other languages
Chinese (zh)
Other versions
CN114905721A (en
Inventor
张超
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XI'AN SIPPEX KEJIE Ltd
Original Assignee
XI'AN SIPPEX KEJIE Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XI'AN SIPPEX KEJIE Ltd filed Critical XI'AN SIPPEX KEJIE Ltd
Priority to CN202210680107.XA priority Critical patent/CN114905721B/en
Publication of CN114905721A publication Critical patent/CN114905721A/en
Application granted granted Critical
Publication of CN114905721B publication Critical patent/CN114905721B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • B29C48/912Cooling of hollow articles of tubular films
    • B29C48/913Cooling of hollow articles of tubular films externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0019Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/28Storing of extruded material, e.g. by winding up or stacking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00Winding webs
    • B65H18/08Web-winding mechanisms
    • B65H18/10Mechanisms in which power is applied to web-roll spindle
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Abstract

The application relates to a section of thick bamboo membrane automatic production line relates to section of thick bamboo membrane production facility field. The automatic production line of the cylindrical film comprises a frame, an extruder, a cooling device, a flattening device and a winding device; the extruder is used for extruding the cylindrical film, and the cooling device is used for cooling and shaping the extruded cylindrical film; the flattening device is used for flattening the cooled and shaped cylindrical film, one end of the cylindrical film is fixed on the rolling device, and the rolling device is used for applying a tensile force to the cylindrical film and rolling the cylindrical film at the same time; the cooling device comprises at least two cooling rings which are distributed at intervals along the axial direction of the cylindrical film and are coaxially arranged; an annular cooling channel is formed in the cooling ring, the cooling ring is provided with a plurality of spray holes communicated with the annular cooling channel along the circumferential direction and used for spraying cooling medium towards the cylindrical film, and the cooling ring is provided with a cooling medium inlet used for communicating the annular cooling channel with an external cooling source. The application has the effect of improving the production efficiency and quality of the cylindrical film.

Description

Automatic production line for cylindrical films
Technical Field
The application relates to the field of cylindrical film production equipment, in particular to an automatic cylindrical film production line.
Background
The film bag is widely applied to industries such as food packaging, medicine packaging, beverage packaging and the like. The existing film bags mainly comprise: blood transfusion bag, infusion bag, EVA nutrition bag, drainage bag, washing bag, food packaging bag or beverage packaging bag, etc. Film bags generally require: the whole is smooth and transparent, uniform in plasticization and good in cleanliness.
The plastic film is formed by using an extruder to melt, plasticize and extrude resin into a tubular film, using polymer to have a better flowing state, using compressed air to blow the tubular film into a required thickness, cooling and shaping, then flattening to obtain the tubular film, and sequentially printing, slitting and high-frequency welding the tubular film to obtain the film bag.
In the related art, the production of the cylindrical film is divided into three independent devices, and the three independent devices mainly comprise an extruder, a cooling device and a flattening device, and the specific production method is implemented in the existing mode, firstly, the cylindrical film is extruded by the extruder, and cooled and shaped by the cooling device, when the extruded length of the cylindrical film is overlong, one end of the cylindrical film, which is far away from the extruder, is sagged under the influence of gravity, at the moment, the cylindrical film with a certain length is required to be cut, and the cut cylindrical film is flattened into the cylindrical film with a limited length by the flattening device; the cooling device comprises a plurality of cooling water pipes, and the cooling water pipes are universal bamboo joint pipes.
Aiming at the related technology, the inventor considers that the length of the basic barrel film is limited in the related technology, so that the barrel film formed each time is limited, and the process is repeated for a plurality of times to realize the production of the large-scale barrel film, thereby the production efficiency of the barrel film is low;
meanwhile, after the barrel film is extruded, water is sprayed towards the barrel film by a plurality of cooling water pipes for cooling and shaping, so that the surface of the barrel film is cooled unevenly, the thickness of the barrel film is uneven, and further, the width error of the flattened barrel film is larger, and the quality of the barrel film is poorer.
Disclosure of Invention
In order to improve the production efficiency and the quality of a tube film, the application provides an automatic tube film production line.
The application provides a section of thick bamboo membrane automatic production line adopts following technical scheme:
an automatic production line for a cylindrical film comprises a frame, an extruder, a cooling device, a flattening device and a winding device;
the extruder is used for extruding the cylindrical film and is arranged on one side of the frame;
the cooling device, the flattening device and the winding device are sequentially arranged on the frame along the moving direction of the cylindrical film;
the cooling device is used for cooling and shaping the extruded cylindrical film;
the flattening device is used for flattening the cooled and shaped cylindrical film, and one end of the cylindrical film is fixed on the winding device;
The winding device is used for applying tension to the cylindrical film and simultaneously winding the cylindrical film;
the cooling device comprises at least two cooling rings, and the at least two cooling rings are distributed at intervals along the axial direction of the cylindrical film and are coaxially arranged;
the cooling ring is internally provided with an annular cooling channel, the cooling ring is provided with a plurality of spray holes which are communicated with the annular cooling channel along the circumferential direction and are used for spraying cooling medium towards the cylindrical film, and the cooling ring is provided with a cooling medium inlet which is used for communicating the annular cooling channel with an external cooling source.
Through adopting above-mentioned technical scheme, when producing the section of thick bamboo membrane, the section of thick bamboo membrane passes through the extruder and extrudes, and the section of thick bamboo membrane wears out from the cooling ring is inside, and along cooling ring axial direction motion, after cooling device's cooling, flattening device flattens the section of thick bamboo membrane and send to coiling mechanism and carry out the rolling, and the section of thick bamboo membrane all can adopt the production line of this application to carry out continuous production from extruding to the rolling, has improved production efficiency by a wide margin.
At the same time, at least two cooling rings are adopted in the cooling device; the cooling medium inlet can be filled with cooling medium such as cold water or cold air, and after the cooling medium enters the annular cooling channel of the cooling ring, the cooling medium is sprayed to the surface of the freshly extruded cylindrical film from the spray holes uniformly arranged along the circumferential direction, so that the cylindrical film is cooled more uniformly, the thickness of the cylindrical film in the circumferential direction and the axial direction is more uniform, the width error of the cylindrical film after flattening is reduced, and the quality of the cylindrical film is improved. If the cylindrical film is produced by adopting the equipment in the related technology, a plurality of cooling water pipes are used for spraying water towards the cylindrical film for cooling, the thickness tolerance of the cylindrical film is +/-0.1 millimeter, the width tolerance of the cylindrical film is +/-5 millimeters, and the quality is poor; by adopting the automatic cylindrical film production line, the thickness tolerance of the cylindrical film can be reduced to +/-0.02 mm, the width tolerance can be reduced to +/-1.5 mm, and the quality of the cylindrical film is higher.
Optionally, the annular cooling channel is provided with a plurality of at intervals in the cooling ring, each annular cooling channel is provided with a spray hole correspondingly, and the diameters of the spray holes corresponding to each annular cooling channel are different.
By adopting the technical scheme, when the cylindrical films with different specifications are required to be produced, the cooling medium requirements are different; because the plurality of annular cooling channels are arranged in the cooling ring, cooling media with different requirements can be sprayed out through spray holes corresponding to the annular cooling channels by switching different annular cooling channels, so that the cooling effect of the cylindrical films with various specifications is ensured; compared with the manufacturing of a plurality of cooling rings with only one annular cooling channel, the manufacturing cost is greatly reduced;
in addition, for the cylindrical film with larger cooling medium demand, the cooling medium can be simultaneously supplied to a plurality of annular cooling channels on one cooling ring so as to meet the cooling demand, and the applicability of the cooling device is further improved.
Optionally, the cooling device further comprises an axial adjustment mechanism for adjusting an axial spacing between at least two of the cooling rings;
the axial adjusting mechanism comprises a connecting seat, an adjusting rod and an adjusting screw;
The central axis of the adjusting rod is parallel to the central axis of the cylindrical film, one end of the adjusting rod is fixed on the connecting seat, and the other end of the adjusting rod sequentially passes through at least two cooling rings to be suspended;
the adjusting screw is radially arranged on the cooling ring along the cooling ring and corresponds to the adjusting rod, and is used for fixing the axial position of the cooling ring.
Through adopting above-mentioned technical scheme, because the cooling time and the cooling opportunity that the drum membrane of different specifications needs in the removal in-process are different, through the axial spacing between each cooling ring's of axial adjustment mechanism adjustment position and the adjacent cooling ring to be applicable to the drum membrane of different specifications of cooling, also can further improve cooling effect and suitability. When the position of the cooling rings or the distance between the adjacent cooling rings is required to be adjusted, the adjusting screw is unscrewed, the cooling rings are pushed to slide to a designated position along the adjusting rod, and then the adjusting screw is screwed, so that the adjustment is completed, the structure is simple, and the adjustment is convenient; the connection seat plays a role of being connected with other devices.
Optionally, the cooling device further comprises a height adjusting mechanism for driving the connecting seat to lift;
the height adjusting mechanism comprises a portal frame, a guide post and a screw;
The screw rod penetrates through the top of the portal and is in threaded connection with the portal, the connecting seat is positioned in the portal, and the connecting seat is rotationally connected with the bottom end of the screw rod;
the guide hole is formed in the connecting seat, one end of the guide post is connected with the top of the portal frame, the other end of the guide post penetrates through the guide hole and is in sliding connection with the connecting seat, and one end of the adjusting rod is connected with the connecting seat.
By adopting the technical scheme, as the die is required to be replaced when the machine head of the extruder extrudes the cylindrical films with different specifications, the position of the central axis of the machine head of the extruder can be changed; when the height of the cooling ring needs to be adjusted, the screw rod is rotated, the screw rod drives the connecting seat to ascend or descend, the guide column plays a role in guiding the movement of the connecting seat, after the cooling ring reaches the designated height, the center of the cooling ring is basically equal to the center of the machine head of the extruder, and at the moment, the screw rod is stopped to rotate, so that the adjustment is completed, the structure is simple, and the operation is convenient; and the distance between different spray holes and the surface of the cylindrical film is equal after adjustment, so that the cooling effect is improved, the better cooling effect can be maintained after the machine head die is replaced, and the applicability is improved.
Optionally, the cooling device further comprises a position adjusting mechanism for adjusting the horizontal position of the gantry along the axial direction of the drum membrane;
the position adjusting mechanism comprises a sliding rod, a sliding block, two positioning pieces and two fixing blocks;
the two fixing blocks are respectively positioned at two ends of the sliding rod, the end parts of the sliding rod are connected with the fixing blocks, the sliding blocks are in sliding connection with the sliding rod, and the sliding blocks are connected with the bottom of the portal frame;
the two locating pieces are respectively located at two sides of the sliding block, the locating pieces are detachably connected with the sliding rod, and the locating pieces are used for locating the positions of the sliding blocks on the sliding rod.
By adopting the technical scheme, the time for starting cooling is different when the cylindrical films with different specifications are produced, and the position of the portal frame can be changed through the position adjusting mechanism; specifically, when the position of the door frame needs to be changed, the fixing of the sliding block by the positioning piece is released, the door frame is pushed, the sliding block is driven by the door frame to slide on the sliding rod, and after the door frame moves to a designated position, the fixing of the sliding block by the positioning piece is restored, so that the position adjustment is completed, the structure is simple, and the operation is convenient; the distance between the cooling ring and the machine head is changed through the position adjusting mechanism, so that the requirements of barrel films with different specifications on cooling time are met, and the applicability is further improved.
Optionally, the cooling ring includes an inner ring and an outer ring;
the inner ring is positioned in the outer ring, and the inner ring is detachably connected with the outer ring;
the inner ring and the outer ring are both provided with grooves for forming annular cooling channels.
Through adopting above-mentioned technical scheme, through the mode processing inner ring and outer loop of machining, when the section of thick bamboo membrane of different specifications of needs processing, in order to reach better cooling effect, can be through dismantling the inner ring and change different inner rings, different inner ring's internal diameter size, orifice interval, orifice set up the direction different, can adapt to the cooling demand of different specification section of thick bamboo membranes, further improved the suitability.
Optionally, the cooling ring further comprises a fastening ring and a fastening screw;
the inner ring comprises a cooling section and a connecting section, the cooling section is positioned on the inner side of the outer ring, the connecting section is positioned on one side wall of the outer ring, and the cooling section is connected with the connecting section;
the fastening ring is located on one side, far away from the outer ring, of the connecting section, and the fastening screw penetrates through the fastening ring and is in threaded connection with the outer ring.
Through adopting above-mentioned technical scheme, adopt inner ring, outer loop and holding ring to constitute the cooling ring, can reduce machining, assembly error and cause the not good problem of sealed effect, be fixed in the outer loop on the inner ring through holding ring and fastening screw, both can improve the leakproofness, reduce the probability of leaking, still easy to assemble and dismantlement inner ring, and then maintain or change the inner ring.
Optionally, the cooling device further comprises an auxiliary cooling mechanism;
the auxiliary cooling mechanism is arranged on the frame and is positioned between the cooling ring and the flattening device;
the auxiliary cooling mechanism comprises a cooling groove, a cooling pipe and a plurality of spray pipes;
the cooling groove is arranged along the axial direction of the cylindrical film and is positioned below the cylindrical film;
and one end of each spray pipe is communicated with the cooling pipe, the other end of each spray pipe is positioned above the cooling groove, and the spray pipes are used for spraying cooling medium towards the cylindrical film.
Through adopting above-mentioned technical scheme, in order to further promote the quality after the section of thick bamboo membrane is finalized the design, to filling cold water in the cooling tank of auxiliary cooling mechanism, simultaneously to pouring into cold water in the cooling tube, cold water spouts the upper end to section of thick bamboo membrane from the spray tube, realizes the further cooling to section of thick bamboo membrane surface, the bottom of section of thick bamboo membrane contacts with the cold water in the cooling tank, and the cold water of cooling tank plays the effect of further cooling to section of thick bamboo membrane lower surface, simultaneously, has also played the effect of supporting to the section of thick bamboo membrane is whole.
Optionally, the automatic production line of the cylindrical film further comprises a water removing device;
the water removing device is positioned between the auxiliary cooling mechanism and the flattening device;
The water removing device comprises an annular pipe and a plurality of air nozzles;
the axis of annular pipe with the axis of cooling ring is parallel, and a plurality of air nozzles are followed annular pipe circumference equidistant setting, air nozzle one end with annular pipe intercommunication, the other end is jet-propelled towards the section of thick bamboo membrane, be provided with on the annular pipe be used for with the air inlet of outside cooling air supply intercommunication.
Through adopting above-mentioned technical scheme, because section of thick bamboo membrane is through the cooling back of auxiliary cooling mechanism, and section of thick bamboo membrane surface remains a small amount of water, and section of thick bamboo membrane is when dewatering device, and the air inlet of annular pipe lets in clean low temperature compressed air, and air admission annular pipe evenly spouts to section of thick bamboo membrane from the air nozzle, blows off a small amount of water on section of thick bamboo membrane surface, is convenient for follow-up rolling, improves the quality of section of thick bamboo membrane.
Optionally, the flattening device comprises a supporting seat, an upper bracket, a lower bracket, a connecting plate, a plurality of upper press rolls and a plurality of lower press rolls;
the top end of the supporting seat is fixedly connected with the lower bracket, a plurality of lower press rollers are arranged at intervals along the axial direction of the cylindrical film, and two ends of the lower press rollers are connected with the lower bracket;
the upper press rollers are arranged at intervals along the axial direction of the cylindrical film, and two ends of the upper press rollers are connected with the upper bracket;
One end of the connecting plate is connected with the upper bracket, and the other end of the connecting plate is connected with the lower bracket;
the distance between the upper press roller and the lower press roller is gradually reduced along the movement direction of the cylindrical film.
Through adopting above-mentioned technical scheme, section of thick bamboo membrane when flattening device, section of thick bamboo membrane and last compression roller and lower compression roller contact, coiling mechanism drive section of thick bamboo membrane continue to move, and section of thick bamboo membrane passes through frictional force and drives last compression roller and lower compression roller rotation, and section of thick bamboo membrane is flattened by last compression roller and lower compression roller gradually in the motion, is convenient for follow-up rolling. The supporting seat plays the effect of supporting the lower carriage, and the connecting plate plays the effect of connecting upper bracket and lower carriage, and the connecting plate can support the upper bracket simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the cylindrical film is produced, the cylindrical film is extruded by an extruder, the cylindrical film penetrates out of the cooling ring and moves along the axial direction of the cooling ring, after being cooled by the cooling device, the cylindrical film is flattened by the flattening device and is sent to the winding device for winding, and the cylindrical film can be continuously produced by adopting the production line from extrusion to winding, so that the production efficiency is greatly improved; the cooling medium inlet can be filled with cooling medium such as cold water or cold air, and the cooling medium is uniformly sprayed to the surface of the freshly extruded cylindrical film from the spray hole after entering the cooling channel, so that the cylindrical film is cooled more uniformly, the thickness of the cylindrical film in the circumferential direction and the axial direction is more uniform, the width error of the cylindrical film after being flattened is further reduced, and the quality of the cylindrical film is improved;
2. By arranging a plurality of annular cooling channels, the quantity of cooling medium required during cooling is different when the cylindrical films with different specifications are produced, and at the moment, different annular cooling channels are switched, and corresponding spray holes can spray different quantities of cooling medium, so that the cooling effect is ensured; moreover, one cooling ring can be used for cooling various cylinder films with different specifications, so that the applicability is improved, and compared with the cooling ring with a plurality of annular cooling channels, the manufacturing cost is greatly reduced;
3. due to the fact that the axial adjusting mechanism is arranged, the positions of the cooling rings and the axial spacing between the adjacent cooling rings are adjusted through the axial adjusting mechanism due to the fact that cooling time and cooling time needed by the cylindrical films with different specifications are different, the cylindrical films with different specifications are cooled, and applicability is improved;
4. through setting up auxiliary cooling mechanism, because the barrel film is still higher through the cooling of cooling ring after, the temperature is still in to filling cold water in the cooling tank, when the barrel film is through auxiliary cooling mechanism, to injecting cold water in the cooling tube, cold water spouts the upper end to the barrel film from the spray tube, further cool down barrel film surface, the bottom of barrel film and the cold water contact in the cooling tank, the cold water of cooling tank plays the effect of further cooling and barrel film to the barrel film, further reinforcing cooling effect, it is more even to make the barrel film cool down, the thickness of barrel film is more even, reduce the width error after the barrel film flattens, the quality of barrel film has been improved.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present application;
FIG. 2 is a front view of embodiment 1 of the present application;
FIG. 3 is a schematic structural view of a cooling device and a cooling medium input mechanism of embodiment 1 of the present application;
FIG. 4 is a cross-sectional view of a cooling ring of example 1 of the present application;
FIG. 5 is a schematic view showing the structure of a flattening apparatus according to embodiment 1 of the present application;
FIG. 6 is a cross-sectional view of a cooling ring of example 2 of the present application;
FIG. 7 is a schematic structural view of a cooling device and an axial adjustment mechanism of embodiment 3 of the present application;
FIG. 8 is a schematic structural view of a cooling device, a height adjusting mechanism and a position adjusting mechanism of embodiment 4 of the present application;
fig. 9 is a schematic structural view of a position adjustment mechanism of embodiment 4 of the present application;
fig. 10 is a schematic structural view of an auxiliary cooling mechanism of embodiment 5 of the present application;
FIG. 11 is an enlarged view of a portion of the water removal device of example 6 of the present application;
fig. 12 is a schematic view of the structure of the water recovery circulation device of example 7 of the present application.
Reference numerals illustrate: 1. a frame; 2. an extruder; 3. flattening device; 31. a support base; 32. an upper bracket; 33. a lower bracket; 34. a connecting plate; 341. a bar-shaped hole; 35. an upper press roll; 36. a lower press roll; 4. a winding device; 5. an axial adjustment mechanism; 51. a connecting seat; 52. an adjusting rod; 53. an adjusting screw; 6. a height adjusting mechanism; 61. a door frame; 62. a guide post; 63. a screw; 64. a hand wheel; 7. a position adjusting mechanism; 71. a slide bar; 72. a sliding block; 73. a positioning piece; 74. a fixed block; 8. an auxiliary cooling mechanism; 81. a cooling tank; 82. a cooling tube; 83. a spray pipe; 9. a water removal device; 91. an annular tube; 911. an air inlet; 92. an air nozzle; 10. a water recovery and circulation device; 101. a water tank; 102. a recovery water tank; 103. a first recovery pipe; 104. a second recovery pipe; 105. a circulation pipe; 106. a water chiller; 107. a water outlet pipe; 11. a cooling ring; 111. an inner ring; 1111. a cooling section; 1112. a connection section; 112. an outer ring; 113. a fastening ring; 1131. a compacting section; 1132. a fixed section; 114. a fastening screw; 12. an annular cooling channel; 13. a spray hole; 14. a cooling medium inlet; 15. an included angle adjusting component; 151. an adjusting plate; 1511. a waist-shaped hole; 152. a threaded rod; 153. a fixing nut; 16. a water supply pipe; 17. a blow-down pipe; 18. a cooling medium input mechanism; 181. a first manifold; 182. a second manifold; 183. a third branch pipe; 184. a regulating valve; 185. a fourth branch pipe; 186. and a fifth branch pipe.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-12.
The embodiment of the application discloses a section of thick bamboo membrane automatic production line.
Example 1
Referring to fig. 1-2, an automatic production line for a cylindrical film comprises a frame 1, an extruder 2, a cooling device, a flattening device 3 and a winding device 4; the extruder 2 is used for extruding a cylindrical film, and the extruder 2 is arranged on one side of the frame 1; the cooling device, the flattening device 3 and the winding device 4 are sequentially arranged on the frame 1 along the moving direction of the cylindrical film; the cooling device is used for cooling and shaping the extruded cylindrical film; the flattening device 3 is used for flattening the cooled and shaped cylindrical film, one end of the cylindrical film is fixed on the winding device 4, the winding device 4 is used for applying tension to the cylindrical film, the cylindrical film is wound simultaneously, and the winding device 4 is a film winding machine. When producing the drum membrane, the drum membrane is extruded through extruder 2, and the drum membrane wears out from cooling ring 11 inside, and moves along cooling ring 11 axial direction, after cooling device's cooling, flattening device 3 flattens the drum membrane and send to coiling mechanism 4 and carry out the rolling, and the drum membrane all can adopt the production line of this application to carry out continuous production from extruding to the rolling, has improved production efficiency by a wide margin.
Referring to fig. 3 to 4, the cooling device includes at least two cooling rings 11, and the number of the cooling rings 11 may be two, three, or five, which can meet the requirement of uniformly cooling the cylindrical film. In the present embodiment, the number of the cooling rings 11 is three, and the three cooling rings 11 are equally spaced apart along the axial direction of the cylindrical film and coaxially arranged. The cooling ring 11 includes an inner ring 111 and an outer ring 112, the inner ring 111 is located inside the outer ring 112, the inner ring 111 is detachably connected with the outer ring 112, and both the inner ring 111 and the outer ring 112 are provided with grooves for constituting the annular cooling passage 12.
Referring to fig. 3 to 4, in order to further improve the sealability of the cooling ring 11, the cooling ring 11 further includes a fastening ring 113 and a fastening screw 114, the cross section of the inner ring 111 is L-shaped, the inner ring 111 includes a cooling section 1111 and a connecting section 1112, the cooling section 1111 is located inside the outer ring 112, the connecting section 1112 is located on a side wall of the outer ring 112, and the cooling section 1111 and the connecting section 1112 are integrally formed; the cross section of the fastening ring 113 is L-shaped, the fastening ring 113 comprises a compression section 1131 and a fixing section 1132 which are integrally formed, the compression section 1131 is positioned on one side of the connecting section 1112 far away from the outer ring 112, the compression section 1131 is tightly attached to the connecting section 1112, one surface of the fixing section 1132 close to the outer ring 112 is tightly attached to the side surface of the outer ring 112, and one surface of the fixing section 1132 close to the connecting section 1112 is tightly attached to the peripheral surface of the connecting section 1112; the fastening screws 114 are provided 6 at equal intervals along the circumferential direction of the fastening ring 113, the axes of the fastening screws 114 are parallel to the axis of the fastening ring 113, and the fastening screws 114 penetrate the fastening ring 113 and are screwed with the outer ring 112. In this embodiment, a first annular groove is formed on a side surface of the connecting section 1112 of the inner ring 111, a second annular groove is formed on a side surface of the outer ring 112, which is close to the connecting section 1112, and the first and second grooves are surrounded to form an annular cooling channel 12; the inner ring 111 is provided with a plurality of spray holes 13 at equal intervals along the circumferential direction, the spray holes 13 are communicated with the annular cooling channel 12, the spray holes 13 are used for spraying cooling medium towards the barrel film, the spray holes 13 are obliquely arranged along the opposite direction of the movement direction of the barrel film, the outer ring 112 is provided with cooling medium inlets 14 used for communicating the annular cooling channel 12 with an external cooling source, the cooling medium inlets 14 are four and are arranged at equal intervals along the circumferential direction of the outer ring 112, and the outer ring 112 is connected with the frame 1 through bolts.
Referring to fig. 3-4, when producing the cylindrical film, the cooling medium inlet 14 may be filled with cooling medium such as cold water or cold air, in this embodiment, the cooling medium is cold water with a temperature of 15 ℃, and after entering the annular cooling channel 12, the cooling medium is uniformly sprayed from the spray holes 13 to the surface of the cylindrical film just extruded, so that the cylindrical film is cooled more uniformly, and the thickness of the cylindrical film in the circumferential direction and the axial direction is more uniform, thereby reducing the width error of the cylindrical film after flattening, and improving the quality of the cylindrical film. When the barrel films with different specifications are required to be processed, in order to achieve a better cooling effect, the inner rings 111 can be disassembled and replaced by different inner rings 111, and the inner diameters of the different inner rings 111, the diameter of the spray holes 13, the distance between the spray holes 13 and the opening direction of the spray holes 13 are different, so that the cooling requirements of the barrel films with different specifications can be met, and the applicability is further improved. The cooling ring 11 is formed by the inner ring 111, the outer ring 112 and the fastening ring 113, so that the problem of poor sealing effect caused by machining and assembly errors can be reduced, the inner ring 111 is fixed on the outer ring 112 through the fastening ring 113 and the fastening screw 114, the tightness can be improved, the water leakage probability is reduced, the inner ring 111 is convenient to install and detach, and the inner ring 111 is maintained or replaced.
Referring to fig. 3 to 4, the cooling medium input mechanism 18 is connected to two adjacent cooling medium inlets 14 on the outer ring 112, the cooling medium input mechanism 18 includes a first manifold 181, a second manifold 182, three third branch pipes 183, three regulating valves 184, a fourth branch pipe 185 and two fifth branch pipes 186, the first manifold 181 is communicated with the middle of the second manifold 182, the three third branch pipes 183 are distributed at equal intervals along the axial direction of the second manifold 182, one end of each third branch pipe 183 is communicated with the second manifold 182, the other end of each third branch pipe 183 is communicated with the fourth branch pipe 185, each third branch pipe 183 is connected with one regulating valve 184, the fourth branch pipe 185 is communicated with two fifth branch pipes 186 through a three-way valve, and the other ends of the two fifth branch pipes 186 are respectively communicated with the corresponding cooling medium inlets 14. The other two cooling medium inlets 14 are also connected with cooling medium input mechanisms 18 with the same structure, and the inlets of the two first buses 181 are connected with a tee joint. The cooling medium enters the second manifold 182 from the first manifold 181, and after the regulating valve 184 is opened, the cooling medium sequentially enters the third branch pipe 183, the fourth branch pipe 185, and the fifth branch pipe 186, and then enters the annular cooling passage 12, and is ejected from the nozzle hole 13 to cool the cartridge.
Referring to fig. 5, the flattening device 3 includes a supporting seat 31, an upper bracket 32, a lower bracket 33, a connecting plate 34, a plurality of upper press rollers 35 and a plurality of lower press rollers 36, wherein the bottom end of the supporting seat 31 is connected with the frame 1 through bolts, the supporting seat 31 is an adjusting foot cup, the top end of the supporting seat 31 is connected with the lower bracket 33 through bolts, the lower bracket 33 is two cuboid rods which are arranged at intervals, the shape, the size and the connecting structure of the upper bracket 32 and the lower bracket 33 are the same, the plurality of lower press rollers 36 are arranged at equal intervals along the axial direction of the barrel film, the two ends of the plurality of lower press rollers 36 are connected with the lower bracket 33 through bolts, the plurality of upper press rollers 35 are arranged at equal intervals along the axial direction of the barrel film, the two ends of the plurality of upper press rollers 35 are connected with the upper bracket 32 through bolts, and the upper press rollers 35 and the lower press rollers 36 are unpowered rollers which can rotate under the action of friction force; the connecting plate 34 is rectangular, one end of the connecting plate 34 is connected with the upper bracket 32 through a bolt, the other end of the connecting plate is connected with the lower bracket 33 through a bolt, and the distance between the upper pressing roller 35 and the lower pressing roller 36 is gradually reduced along the movement direction of the tubular film.
Referring to fig. 5, the discharge end of the flattening device 3 is further provided with an included angle adjusting assembly 15 for adjusting an included angle between the upper bracket 32 and the lower bracket 33, one included angle adjusting assembly 15 is respectively arranged at two ends of the upper pressing roller 35, and the two included angle adjusting assemblies 15 are symmetrically arranged; the included angle adjusting component 15 comprises an adjusting plate 151, 2 threaded rods 152 and 4 fixing nuts 153, the adjusting plate 151 is connected with the frame 1 through bolts, a waist-shaped hole 1511 is formed in the adjusting plate 151 along the vertical direction, the axis of the threaded rod 152 is parallel to the axis of the upper press roller 35, one threaded rod 152 penetrates through the upper support 32 and is fixedly connected with the upper support 32, the other threaded rod 152 penetrates through the lower support 33 and is fixedly connected with the lower support 33, one end of the threaded rod 152 penetrates through the waist-shaped hole 1511, two fixing nuts 153 are located on two sides of the adjusting plate 151, two fixing nuts 153 are in threaded connection with one threaded rod 152, the two fixing nuts 153 are tightly attached to the adjusting plate 151 after being screwed up, and the other two fixing nuts 153 are in threaded connection with the other threaded rod 152. The connecting plate 34 is close to the one end of the lower support 33 and is provided with a strip-shaped hole 341 along the vertical direction, a bolt for fixing the connecting plate 34 penetrates through the strip-shaped hole 341 and is in threaded connection with the lower support 33, and when the bolt is screwed down, the head of the bolt is abutted against the connecting plate 34.
Referring to fig. 5, when the cylindrical film passes through the flattening device 3, the cylindrical film contacts with the upper pressing roller 35 and the lower pressing roller 36, the winding device 4 drives the cylindrical film to move continuously, the cylindrical film drives the upper pressing roller 35 and the lower pressing roller 36 to rotate through friction force, and the cylindrical film is flattened gradually by the upper pressing roller 35 and the lower pressing roller 36 while moving, so that subsequent winding is facilitated. When the included angle between the upper bracket 32 and the lower bracket 33 needs to be adjusted, the bolts on the fixing nut 153 and the connecting plate 34 are loosened, the height of the lower bracket 33 can be adjusted by adjusting the foot cup, the height of the upper bracket 32 can be adjusted by moving the connecting plate 34, and after the included angle is adjusted to a proper value, the bolts on the fixing nut 153 and the connecting plate 34 are tightened; similarly, the distance between the discharge ends of the upper bracket 32 and the lower bracket 33 can be adjusted by moving the two threaded rods 152 in the waist-shaped holes 1511, and the distance between the upper press roller 35 and the lower press roller 36 is changed, so that the device is suitable for flattening cylindrical films with different specifications, and the applicability is improved.
The implementation principle of the embodiment 1 is as follows: when the barrel film is produced, the barrel film is extruded through the extruder 2, is cooled and shaped when passing through the cooling device, the barrel film penetrates out of the cooling ring 11, cold water enters the cooling channel and is evenly sprayed to the surface of the barrel film just extruded from the spray hole 13, so that the barrel film is evenly cooled, when passing through the flattening device 3, the barrel film is contacted with the upper pressing roller 35 and the lower pressing roller 36, the rolling device 4 drives the barrel film to continuously move, the barrel film drives the upper pressing roller 35 and the lower pressing roller 36 to rotate through friction force, the barrel film is gradually flattened by the upper pressing roller 35 and the lower pressing roller 36 while moving, and the rolling device 4 rolls the flattened barrel film. The application has the effect of improving the production efficiency of the barrel film.
Example 2
Referring to fig. 6, a tube film automatic production line is different from embodiment 1 in that a plurality of annular cooling channels 12 are arranged at intervals along the radial direction of a cooling ring 11, in this embodiment, three annular cooling channels 12 are arranged, specifically, three annular first grooves are arranged at intervals on one side surface of a connecting section 1112 of an inner ring 111, three annular second grooves are arranged at intervals on one side surface of an outer ring 112, which is close to the connecting section 1112, the first grooves and the second grooves surround to form three independent annular cooling channels 12, cooling medium inlets 14 corresponding to the three annular cooling channels 12 one by one are arranged on the outer ring 112, spray holes 13 are correspondingly arranged on each annular cooling channel 12, the diameters of the spray holes 13 corresponding to each annular cooling channel 12 are different, and in this embodiment, the diameters of the three groups of spray holes 13 are 1mm, 1.5mm and 2mm respectively. When the cylindrical films with different specifications are required to be produced, the cooling medium requirements are also different; because the cooling ring 11 is internally provided with the plurality of annular cooling channels 12, cooling media with different requirements can be sprayed out through the spray holes 13 corresponding to the annular cooling channels 12 by switching different annular cooling channels 12, so that the cooling effect of barrel films with various specifications is ensured; compared with the manufacturing of a plurality of cooling rings 11 with only one annular cooling channel 12, the manufacturing cost is greatly reduced; in addition, for the cylindrical film with larger cooling medium demand, the cooling medium can be simultaneously supplied to the plurality of annular cooling channels 12 on one cooling ring 11 to meet the cooling demand, so that the applicability of the cooling device is further improved.
Example 3
Referring to fig. 7, a cartridge film automatic production line is different from embodiment 1 in that the cooling device further includes an axial adjustment mechanism 5 for adjusting the axial spacing between the three cooling rings 11, and the outer ring 112 is not directly connected to the frame 1 but is connected to the frame 1 through the axial adjustment mechanism 5. Because the cooling time and the cooling time required by the barrel films with different specifications are different, the positions of the cooling rings 11 and the axial spacing between the adjacent cooling rings 11 are adjusted through the axial adjusting mechanism 5, so that the cooling device is suitable for cooling the barrel films with different specifications, and the applicability is improved.
Referring to fig. 7, the axial adjustment mechanism 5 includes a connection seat 51, an adjustment lever 52, and an adjustment screw 53; the connecting seat 51 is cuboid, the connecting seat 51 is connected with the frame 1 through bolts, the central axis of the adjusting rod 52 is parallel to the central axis of the cylindrical film, the outer ring 112 is provided with adjusting holes matched with the adjusting rod 52, the number of the adjusting rods 52 can be one or two or four, the requirement of stably connecting the three cooling rings 11 can be met, in the embodiment, the number of the adjusting rods 52 is four, the four adjusting rods 52 are distributed at equal intervals along the circumferential direction of the cooling rings 11, one end of each two adjacent adjusting rods 52 is connected with the connecting seat 51 through bolts, and the other ends of the four adjusting rods 52 sequentially penetrate through the adjusting holes of the three outer rings 112 and are suspended; the adjusting screw 53 is arranged along the radial direction of the cooling ring 11, the adjusting screw 53 is in threaded connection with the outer ring 112, and one end of the adjusting screw 53 extends into the adjusting hole and abuts against the adjusting rod 52. When the position of the cooling rings 11 or the interval between the adjacent cooling rings 11 is required to be adjusted, the adjusting screw 53 is unscrewed, the cooling rings 11 are pushed to slide to a designated position along the adjusting rod 52, and then the adjusting screw 53 is screwed, so that the structure is simple and the adjustment is convenient; further, the position of the cooling ring 11 can be finely adjusted by changing the position at which the adjustment lever 52 is connected to the connection base 51; the connection base 51 also functions to connect with other devices.
Example 4
Referring to fig. 8 to 9, a cartridge film automatic production line is different from embodiment 3 in that the cooling device further includes a height adjusting mechanism 6 for driving the connecting base 51 to be lifted, and the connecting base 51 is not directly connected to the frame 1 but connected to the frame 1 through the height adjusting mechanism 6. The height adjusting mechanism 6 includes a gantry 61, a guide post 62, and a screw 63; the portal 61 is the door font, screw rod 63 vertical setting, screw rod 63 runs through portal 61 top and AND gate frame 61 threaded connection, screw rod 63 top has hand wheel 64 through the screw connection, connecting seat 51 is located portal 61 inside, connecting seat 51 passes through the bearing with screw rod 63 bottom and rotates to be connected, four guiding holes have been seted up on the connecting seat 51, the axis of guiding hole is parallel with screw rod 63 axis, guide post 62 is provided with four, four guide posts 62 are equidistant around screw rod 63 circumference distribution, the axis of guide post 62 is parallel with screw rod 63 axis, guide post 62 one end passes through bolted connection with portal 61 top, the guide post 62 other end runs through the guiding hole and with connecting seat 51 sliding connection, the one end of adjusting lever 52 passes through bolted connection with the connecting seat 51 bottom surface.
Referring to fig. 8-9, the cooling device further comprises a position adjustment mechanism 7 for adjusting the horizontal position of the gantry 61 in the axial direction of the drum membrane; the position adjusting mechanism 7 includes a slide lever 71, a slide block 72, two positioning pieces 73, and two fixed blocks 74; the fixed block 74 is a C-shaped block, the two fixed blocks 74 are respectively located at two ends of the sliding rod 71, the end part of the sliding rod 71 stretches into the C-shaped block and is locked by a screw, the sliding block 72 is connected with the sliding rod 71 in a sliding mode, the sliding block 72 is connected with the bottom of the portal 61 by a bolt, the two locating pieces 73 are respectively located at two sides of the sliding block 72, the locating pieces 73 are C-shaped blocks, the locating pieces 73 are sleeved on the periphery of the sliding rod 71, the locating pieces 73 are locked on the sliding rod 71 by the bolts, and the locating pieces 73 are used for locating the positions of the sliding blocks 72 on the sliding rod 71.
The implementation principle of the embodiment 4 is as follows:
when the height of the cooling ring 11 needs to be adjusted, the hand wheel 64 is rotated, the hand wheel 64 drives the screw 63 to rotate, the screw 63 drives the connecting seat 51 to ascend or descend, the guide column 62 plays a role in guiding the movement of the connecting seat 51, and after the cooling ring 11 reaches the designated height, the axis of the cooling ring 11 is collinear with the machine head axis of the extruder 2, and at the moment, the screw 63 stops rotating, so that the structure is simple and the operation is convenient; and the distance between different spray holes 13 and the surface of the cylindrical film is equal after adjustment, so that the cooling effect is improved, the better cooling effect can be maintained after the machine head die is replaced, and the applicability is improved.
When the position of the door frame 61 needs to be changed, the fixing of the positioning piece 73 to the sliding block 72 is released, the door frame 61 is pushed, the door frame 61 drives the sliding block 72 to slide on the sliding rod 71, and after the door frame 61 moves to a specified position, the fixing of the positioning piece 73 to the sliding block 72 is restored, so that the structure is simple and the operation is convenient; the distance between the cooling ring 11 and the machine head is changed through the position adjusting mechanism 7, so that the requirements of barrel films with different specifications on cooling time are met, and the applicability is further improved.
Example 5
Referring to fig. 10, a cartridge film automatic production line is different from embodiment 1 in that the cooling device further comprises an auxiliary cooling mechanism 8, the auxiliary cooling mechanism 8 is mounted on the frame 1 and located between the cooling ring 11 and the flattening device 3, the auxiliary cooling mechanism 8 comprises a cooling groove 81, a cooling pipe 82 and a plurality of spray pipes 83, the cooling groove 81 is a rectangular water groove with an open upper end, the cooling groove 81 is arranged along the axial direction of the cartridge film, the cooling groove 81 is located below the cartridge film, and the cooling groove 81 is connected with the frame 1 through bolts; the number of the spray pipes 83 may be 2, 4, or 5, which can meet the requirement of cooling the barrel film, in this embodiment, the number of the spray pipes 83 is 4, one end of the 4 spray pipes 83 is communicated with the cooling pipe 82, the other end of the 4 spray pipes 83 is located above the cooling groove 81, the 4 spray pipes 83 are used for spraying cold water toward the barrel film, the axis direction of the cooling pipe 82 is parallel to the long side direction of the cooling groove 81, the cooling pipe 82 is connected with the rack 1 through a support rod, and the cooling pipe 82 is located above the long side of the cooling groove 81.
The implementation principle of the embodiment 5 is as follows: when the cylindrical film is produced, cold water is filled into the cooling groove 81 in advance, meanwhile, cold water is injected into the cooling pipe 82, and the cold water is sprayed to the upper end of the cylindrical film from the spray pipe 83, so that the surface of the cylindrical film is further cooled; the bottom of the barrel film contacts with cold water in the cooling groove 81, the cold water of the cooling groove 81 plays a role in further cooling the lower surface of the barrel film, and meanwhile, the barrel film is supported integrally.
Example 6
Referring to fig. 11, a cartridge film automatic production line is different from embodiment 5 in that the cartridge film automatic production line further includes a water removal device 9, the water removal device 9 being located between the auxiliary cooling mechanism 8 and the flattening device 3; the water removal device 9 comprises an annular pipe 91 and a plurality of air nozzles 92, wherein the axis of the annular pipe 91 is parallel to the axis of the cooling ring 11, a cylindrical film passes through the annular pipe 91, the air nozzles 92 are arranged at equal intervals along the circumferential direction of the annular pipe 91, one ends of the air nozzles 92 are communicated with the annular pipe 91, the other ends of the air nozzles 92 face the cylindrical film to jet air, the air nozzles 92 are obliquely arranged along the opposite direction of the movement direction of the cylindrical film so as to facilitate rapid blowing of residual water on the surface of the cylindrical film, and an air inlet 911 communicated with an external cooling air source is formed in the annular pipe 91.
The implementation principle of the embodiment 6 is as follows: after the barrel film is cooled by the auxiliary cooling mechanism 8, a small amount of water remains on the surface of the barrel film, when the barrel film passes through the water removing device 9, clean low-temperature compressed air is introduced into the air inlet 911 of the annular pipe 91, and the air enters the annular pipe 91 and is uniformly sprayed to the barrel film from the air nozzle 92, so that a small amount of water on the surface of the barrel film is blown off, the subsequent winding is facilitated, and the quality of the barrel film is improved.
Example 7
Referring to fig. 12, a cartridge film automatic production line is different from embodiment 5 in that the cartridge film automatic production line further comprises a water recovery circulation device 10, the water recovery circulation device 10 comprises a water tank 101, a recovery water tank 102, a first recovery pipe 103, a second recovery pipe 104, a circulation pipe 105, a water chiller 106 and a water outlet pipe 107, the top of the side wall of the water tank 101 is communicated with a water adding pipe 16, the bottom of the side wall of the water tank 101 is communicated with a sewage drain pipe 17, the side wall of the water tank 101 is communicated with one end of the circulation pipe 105, the other end of the circulation pipe 105 is communicated with a water inlet of the water chiller 106, a water outlet of the water chiller 106 is communicated with the water outlet pipe 107, and the water outlet pipe 107 is communicated with a cooling medium inlet 14 of a cooling ring 11 and a cooling pipe 82; the recovery water tank 102 is a cuboid water tank with an open top, the long side direction of the recovery water tank 102 is parallel to the long side direction of the cooling tank 81, the recovery water tank 102 is positioned below the cooling ring 11 and the cooling tank 81 and above the water tank 101, the recovery water tank 102 is used for collecting water flowing down from the surface of the cylindrical film and water overflowing from the cooling tank 81, one end of the first recovery pipe 103 is communicated with the bottom of the cooling tank 81, the first recovery pipe 103 penetrates the recovery water tank 102, and the other end of the first recovery pipe 103 is communicated with the top of the water tank 101; one end of the second recovery pipe 104 is communicated with the bottom of the recovery water tank 102, and the other end of the second recovery pipe 104 is communicated with the top of the water tank 101.
The implementation principle of the embodiment 7 is as follows: when the cylindrical film is produced, normal-temperature water is filled into the water tank 101 through the water adding pipe 16, the water in the water tank 101 is pumped by the water chiller 106 through the circulating pipe 105, the normal-temperature water is cooled to 10-15 ℃, cold water respectively enters the cooling ring 11 and the cooling pipe 82 through the water outlet pipe 107, cold water in the cooling pipe 82 is sprayed to the cooling groove 81 from the spray pipe 83, the cooling groove 81 is filled first, the cooling ring 11 sprays water towards the cylindrical film for primary cooling, cold water in the cooling pipe 82 is sprayed to the upper end of the cylindrical film from the spray pipe 83, the surface of the cylindrical film is subjected to secondary cooling, the water after the cylindrical film is cooled flows into the recovery water tank 102, and then flows into the water tank 101 through the secondary recovery pipe 104 for recycling, so that the waste of water resources is reduced, and the production cost is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. A section of thick bamboo membrane automatic production line, its characterized in that: comprises a frame (1), an extruder (2), a cooling device, a flattening device (3) and a winding device (4);
the extruder (2) is used for extruding a cylindrical film, and the extruder (2) is arranged on one side of the frame (1);
The cooling device, the flattening device (3) and the winding device (4) are sequentially arranged on the frame (1) along the moving direction of the cylindrical film;
the cooling device is used for cooling and shaping the extruded cylindrical film;
the flattening device (3) is used for flattening the cooled and shaped cylindrical film, and one end of the cylindrical film is fixed on the winding device (4);
the winding device (4) is used for applying tension to the cylindrical film and simultaneously winding the cylindrical film;
the cooling device comprises at least two cooling rings (11), and the at least two cooling rings (11) are distributed at intervals along the axial direction of the cylindrical film and are coaxially arranged;
an annular cooling channel (12) is formed in the cooling ring (11), a plurality of spray holes (13) which are communicated with the annular cooling channel (12) and are used for spraying cooling medium towards a cylindrical film are formed in the cooling ring (11), and a cooling medium inlet (14) which is used for communicating the annular cooling channel (12) with an external cooling source is formed in the cooling ring (11);
the cooling device further comprises an axial adjustment mechanism (5) for adjusting the axial spacing between at least two of the cooling rings (11);
The axial adjusting mechanism (5) comprises a connecting seat (51), an adjusting rod (52) and an adjusting screw (53);
the central axis of the adjusting rod (52) is parallel to the central axis of the cylindrical film, one end of the adjusting rod (52) is fixed on the connecting seat (51), and the other end sequentially passes through at least two cooling rings (11) to be suspended;
the adjusting screw (53) is radially arranged on the cooling ring (11) along the cooling ring (11) and is arranged corresponding to the adjusting rod (52) for fixing the axial position of the cooling ring (11);
the cooling device also comprises a height adjusting mechanism (6) for driving the connecting seat (51) to lift;
the height adjusting mechanism (6) comprises a portal frame (61), a guide column (62) and a screw rod (63);
the screw rod (63) penetrates through the top of the portal (61) and is in threaded connection with the portal (61), the connecting seat (51) is positioned in the portal (61), and the connecting seat (51) is rotationally connected with the bottom end of the screw rod (63);
a guide hole is formed in the connecting seat (51), one end of the guide column (62) is connected with the top of the portal (61), the other end of the guide column (62) penetrates through the guide hole and is in sliding connection with the connecting seat (51), and one end of the adjusting rod (52) is connected with the connecting seat (51);
The cooling ring (11) comprises an inner ring (111) and an outer ring (112);
the inner ring (111) is positioned inside the outer ring (112), and the inner ring (111) is detachably connected with the outer ring (112);
the inner ring (111) and the outer ring (112) are provided with grooves for forming an annular cooling channel (12);
the cooling ring (11) further comprises a fastening ring (113) and a fastening screw (114);
the inner ring (111) comprises a cooling section (1111) and a connecting section (1112), the cooling section (1111) is positioned at the inner side of the outer ring (112), the connecting section (1112) is positioned at one side wall of the outer ring (112), and the cooling section (1111) is connected with the connecting section (1112);
the fastening ring (113) is located on one side, far away from the outer ring (112), of the connecting section (1112), and the fastening screw (114) penetrates through the fastening ring (113) and is in threaded connection with the outer ring (112).
2. The automatic production line for cylindrical films according to claim 1, wherein: the annular cooling channels (12) are arranged in the cooling ring (11) at intervals, each annular cooling channel (12) is correspondingly provided with a spray hole (13), and the diameters of the spray holes (13) corresponding to each annular cooling channel (12) are different.
3. The automatic production line for cylindrical films according to claim 1, wherein: the cooling device further comprises a position adjusting mechanism (7) for adjusting the horizontal position of the gantry (61) along the axial direction of the cartridge film;
the position adjusting mechanism (7) comprises a sliding rod (71), a sliding block (72), two positioning pieces (73) and two fixed blocks (74);
the two fixed blocks (74) are respectively positioned at two ends of the sliding rod (71), the end parts of the sliding rod (71) are connected with the fixed blocks (74), the sliding blocks (72) are in sliding connection with the sliding rod (71), and the sliding blocks (72) are connected with the bottom of the portal frame (61);
the two locating pieces (73) are respectively located on two sides of the sliding block (72), the locating pieces (73) are detachably connected with the sliding rod (71), and the locating pieces (73) are used for locating the position of the sliding block (72) on the sliding rod (71).
4. The automatic production line for cylindrical films according to claim 1, wherein: the cooling device further comprises an auxiliary cooling mechanism (8);
the auxiliary cooling mechanism (8) is arranged on the frame (1) and is positioned between the cooling ring (11) and the flattening device (3);
The auxiliary cooling mechanism (8) comprises a cooling groove (81), a cooling pipe (82) and a plurality of spray pipes (83);
the cooling groove (81) is arranged along the axial direction of the cylindrical film, and the cooling groove (81) is positioned below the cylindrical film;
one end of each of the plurality of spray pipes (83) is communicated with the cooling pipe (82), the other end of each of the plurality of spray pipes (83) is located above the cooling groove (81), and the plurality of spray pipes (83) are used for spraying cooling medium towards the barrel film.
5. The automated production line for cylindrical films according to claim 4, wherein: the automatic production line of the cylindrical film also comprises a water removing device (9);
the water removing device (9) is positioned between the auxiliary cooling mechanism (8) and the flattening device (3);
the water removing device (9) comprises an annular pipe (91) and a plurality of air nozzles (92);
the axis of annular pipe (91) with the axis of cooling ring (11) is parallel, a plurality of air jet (92) are followed annular pipe (91) circumference equidistant setting, air jet (92) one end with annular pipe (91) intercommunication, the other end is jet-propelled towards the section of thick bamboo membrane, be provided with on annular pipe (91) be used for with outside cooling air supply intercommunication air inlet (911).
6. The automated production line for cylindrical films according to claim 4, wherein: the flattening device (3) comprises a supporting seat (31), an upper bracket (32), a lower bracket (33), a connecting plate (34), a plurality of upper press rolls (35) and a plurality of lower press rolls (36);
the top end of the supporting seat (31) is fixedly connected with the lower bracket (33), a plurality of lower press rollers (36) are arranged at intervals along the axial direction of the cylindrical film, and two ends of the lower press rollers (36) are connected with the lower bracket (33);
the upper press rollers (35) are arranged at intervals along the axial direction of the cylindrical film, and two ends of the upper press rollers (35) are connected with the upper bracket (32);
one end of the connecting plate (34) is connected with the upper bracket (32), and the other end of the connecting plate is connected with the lower bracket (33);
the distance between the upper press roller (35) and the lower press roller (36) is gradually reduced along the movement direction of the cylindrical film.
CN202210680107.XA 2022-06-16 2022-06-16 Automatic production line for cylindrical films Active CN114905721B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210680107.XA CN114905721B (en) 2022-06-16 2022-06-16 Automatic production line for cylindrical films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210680107.XA CN114905721B (en) 2022-06-16 2022-06-16 Automatic production line for cylindrical films

Publications (2)

Publication Number Publication Date
CN114905721A CN114905721A (en) 2022-08-16
CN114905721B true CN114905721B (en) 2024-02-27

Family

ID=82769988

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210680107.XA Active CN114905721B (en) 2022-06-16 2022-06-16 Automatic production line for cylindrical films

Country Status (1)

Country Link
CN (1) CN114905721B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11129320A (en) * 1997-10-28 1999-05-18 Sekisui Chem Co Ltd Extrusion rate computing method of extrusion machine for thermoplastic resin
JP2005125499A (en) * 2003-10-21 2005-05-19 Yokohama Rubber Co Ltd:The Inflation film molding method and apparatus therefor
CN208497643U (en) * 2018-07-11 2019-02-15 厦门市地隆包装材料有限公司 A kind of extruder cooling system
CN111086276A (en) * 2019-12-30 2020-05-01 北京一撕得物流技术有限公司 Method and device for manufacturing easy-to-open garbage bag
CN111775427A (en) * 2020-07-28 2020-10-16 泉州地坤科技有限公司 Cooling and shaping equipment for manufacturing communication cable insulating sheath
CN214027144U (en) * 2020-09-29 2021-08-24 南京铭舵机械有限公司 Cold water circulating system and extruder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3572206B1 (en) * 2018-05-22 2020-12-02 Kdesign GmbH Cooling device with a cooling gas ring and a flow deflection device
US11618200B2 (en) * 2020-03-17 2023-04-04 Michael P. Bucko External cooling air ring for blown-film extrusion

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11129320A (en) * 1997-10-28 1999-05-18 Sekisui Chem Co Ltd Extrusion rate computing method of extrusion machine for thermoplastic resin
JP2005125499A (en) * 2003-10-21 2005-05-19 Yokohama Rubber Co Ltd:The Inflation film molding method and apparatus therefor
CN208497643U (en) * 2018-07-11 2019-02-15 厦门市地隆包装材料有限公司 A kind of extruder cooling system
CN111086276A (en) * 2019-12-30 2020-05-01 北京一撕得物流技术有限公司 Method and device for manufacturing easy-to-open garbage bag
CN111775427A (en) * 2020-07-28 2020-10-16 泉州地坤科技有限公司 Cooling and shaping equipment for manufacturing communication cable insulating sheath
CN214027144U (en) * 2020-09-29 2021-08-24 南京铭舵机械有限公司 Cold water circulating system and extruder

Also Published As

Publication number Publication date
CN114905721A (en) 2022-08-16

Similar Documents

Publication Publication Date Title
CN111231259B (en) Integral forming method of PVC corrugated pipe
CN114905721B (en) Automatic production line for cylindrical films
CN217454842U (en) Cooling device of extruder
CN116141571B (en) Multi-specification lampshade injection molding equipment with deformable mold
CN112372989A (en) Cooling system for plastic pipe production
CN116330601A (en) Seat production forming device
US20190001535A1 (en) Method and Device for Jet-Packing Moulding Polymer Pipeline
CN201841658U (en) Machine head as well as sheet rubber extruder and extruding production line applying same
CN110696249B (en) Water spraying device for film cooling
CN220594012U (en) Film cooling water tank with spraying function
CN117681406B (en) Extrusion molding machine for plastic pipe production
CN114147933B (en) Manufacturing device and manufacturing method of bundling pipe
CN110962320A (en) Plastic film pipe thermoforming equipment
CN217531823U (en) Quick cooling forming device of extrusion molding panel
CN220594011U (en) Film cooling water tank with flow speed accelerating function
CN117549518B (en) Plastic pipe heating extrusion device
CN217258201U (en) Enhancement mode high density polyethylene pipe device of moulding plastics
CN220280450U (en) Cooling tank for plastic extruder
CN213733301U (en) Production device for PE pipes with different diameters
CN218803917U (en) Precooling device for pipe extrusion molding
CN220517494U (en) Rubber tube extrusion molding device
CN214137279U (en) Cooling device for extruder
CN219748880U (en) Cooling device for extruded rubber tube
CN115782117B (en) Co-extrusion raw material distribution device and method for producing foaming plate
CN219027866U (en) Casting film production cooling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Zhang Chao

Inventor after: Wang Wei

Inventor before: Wang Wei

Inventor before: Zhang Chao

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant