CN114905721A - Automatic production line for cylindrical films - Google Patents
Automatic production line for cylindrical films Download PDFInfo
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- CN114905721A CN114905721A CN202210680107.XA CN202210680107A CN114905721A CN 114905721 A CN114905721 A CN 114905721A CN 202210680107 A CN202210680107 A CN 202210680107A CN 114905721 A CN114905721 A CN 114905721A
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- 238000001816 cooling Methods 0.000 claims abstract description 320
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 74
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 74
- 241001330002 Bambuseae Species 0.000 claims abstract description 74
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- 239000007921 spray Substances 0.000 claims abstract description 47
- 239000002826 coolant Substances 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 95
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- 238000003754 machining Methods 0.000 description 2
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- 238000000429 assembly Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/28—Storing of extruded material, e.g. by winding up or stacking
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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
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-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 cylinder film comprises a frame, an extruder, a cooling device, a flattening device and a winding device; the extruder is used for extruding the cylinder film, and the cooling device is used for cooling and shaping the extruded cylinder film; the flattening device is used for flattening the cooled and shaped cylinder film, one end of the cylinder film is fixed on the winding device, and the winding device is used for applying tension to the cylinder film and winding the cylinder film; the cooling device comprises at least two cooling rings which are distributed at intervals along the axial direction of the cylinder 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 used for spraying cooling media towards the cylinder 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. This application has the effect that improves section of thick bamboo membrane production efficiency and quality.
Description
Technical Field
The application relates to a section of thick bamboo membrane production facility field especially relates to a section of thick bamboo membrane automatic production line.
Background
The film bag is widely applied to the industries of food packaging, medicine packaging, beverage packaging and the like. The existing film bags mainly comprise: blood transfusion bag, EVA nutrition bag, drainage bag, washing bag, food packaging bag or beverage packaging bag, etc. Film bags generally require: the whole body is smooth and transparent, the plasticization is uniform, and the cleanliness is good.
The blow molding film is one of the plastic film forming processes, which comprises melting and plasticizing resin with an extruder to form a tubular film, using the polymer with better flowing state, blowing the tubular film with compressed air to the required thickness, cooling and shaping, flattening to obtain the tubular film, and printing, slitting and high-frequency welding the tubular film to obtain the film bag.
In the related technology, the production of the cylindrical film is divided into three independent devices, which mainly comprise an extruder, a cooling device and a flattening device, and the specific production method is implemented in the prior art, firstly, the cylindrical film is extruded by the extruder, and is cooled and shaped by the cooling device, when the extruded length of the cylindrical film is too long, one end of the cylindrical film, which is far away from the extruder, is affected by gravity and sags, at the moment, the cylindrical film with a certain length needs 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 which are universal bamboo joint pipes.
For the related technologies, the inventor thinks that the length of the cylindrical film formed each time is limited due to the limited length of the basic cylindrical film in the related technologies, and the large-scale production of the cylindrical film can be realized only by repeating the process for many times, so that the production efficiency of the cylindrical film is low;
simultaneously, the back is extruded to the section of thick bamboo membrane, is cooled off by many condenser tubes towards section of thick bamboo membrane water spray and stereotypes, and the water spray is inhomogeneous, leads to section of thick bamboo membrane surface cooling inhomogeneous, and the thickness of section of thick bamboo membrane is inhomogeneous, and then leads to the width error after the section of thick bamboo membrane flattens great, and the quality of section of thick bamboo membrane is relatively poor.
Disclosure of Invention
In order to improve the production efficiency and the quality of section of thick bamboo membrane, this application provides a section of thick bamboo membrane automatic production line.
The application provides a section of thick bamboo membrane automatic production line adopts following technical scheme:
an automatic production line of a cylindrical film comprises a frame, an extruder, a cooling device, a flattening device and a winding device;
the extruder is used for extruding a barrel film and is arranged on one side of the rack;
the cooling device, the flattening device and the winding device are sequentially arranged on the rack along the moving direction of the cylinder 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 cylinder film and winding the cylinder film at the same time;
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 cylinder 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 and used for spraying cooling media towards the cylinder film along the circumferential direction, and the cooling ring is provided with a cooling medium inlet used for communicating the annular cooling channel with an external cooling source.
Through adopting above-mentioned technical scheme, when production section of thick bamboo membrane, a section of thick bamboo membrane is extruded through the extruder, and a section of thick bamboo membrane is worn out from cooling ring inside, and moves along cooling ring axial direction, and after cooling device's cooling, flattening device flattens a section of thick bamboo membrane and sends to the coiling mechanism and carries out the rolling, and a section of thick bamboo membrane is from extruding to the production line that the coiling all can adopt this application and carry out continuous production, has improved production efficiency by a wide margin.
Meanwhile, at least two cooling rings are adopted in the cooling device; the cooling medium inlet can be introduced with cooling media 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 cylinder film which is just extruded from the spray holes which are uniformly arranged along the circumferential direction, so that the cylinder film is cooled more uniformly, the thickness of the cylinder film in the circumferential direction and the axial direction is more uniform, the width error of the cylinder film after being flattened is further reduced, and the quality of the cylinder film is improved. If the cylinder film is produced only by adopting the equipment in the related technology, a plurality of cooling water pipes are utilized to spray water towards the cylinder film for cooling, the thickness tolerance of the cylinder film is +/-0.1 mm, the width tolerance of the cylinder film is +/-5 mm, and the quality is poor; adopt the section of thick bamboo membrane automatic production line production section of thick bamboo membrane of this application, the thickness tolerance of section of thick bamboo membrane can reduce to 0.02 millimeter, and the width tolerance can reduce to 1.5 millimeter, and the quality of section of thick bamboo membrane is higher.
Optionally, the annular cooling channels are arranged in the cooling ring at intervals, each annular cooling channel is correspondingly provided with a nozzle hole, and the diameters of the nozzle holes corresponding to each annular cooling channel are different.
By adopting the technical scheme, when the cylinder films with different specifications need to be produced, the required amount of the cooling medium is different; because a plurality of annular cooling channels are arranged in the cooling ring, different annular cooling channels can be switched at the moment, and spray holes corresponding to the annular cooling channels can spray cooling media with different demands, so that the cooling effect of cylinder films with various specifications is ensured; compared with the method for manufacturing a plurality of cooling rings with only one annular cooling channel, the manufacturing cost is greatly reduced;
moreover, for the cylindrical film with larger cooling medium demand, the cooling medium can be simultaneously provided for 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 adjusting mechanism for adjusting the 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 cylinder membrane, 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 and is suspended;
the adjusting screws are radially arranged on the cooling ring along the cooling ring, are arranged corresponding to the adjusting rods and are used for fixing the axial position of the cooling ring.
By adopting the technical scheme, because the cooling time and the cooling opportunity that the section of thick bamboo membrane of different specifications needs are different at the removal in-process, adjust the position of each cooling ring and the axial interval between the adjacent cooling ring through axial adjustment mechanism to be applicable to the section of thick bamboo membrane of cooling different specifications, also can further improve cooling effect and suitability. When the position of the cooling ring or the distance between the adjacent cooling rings needs to be adjusted, the adjusting screw is unscrewed, the cooling ring is pushed to slide to a specified position along the adjusting rod, and then the adjusting screw is screwed down, so that the adjustment is completed, the structure is simple, and the adjustment is convenient; the connecting seat plays a role in connecting with other equipment.
Optionally, the cooling device further comprises a height adjusting mechanism for driving the connecting seat to lift;
the height adjusting mechanism comprises a door frame, a guide post and a screw rod;
the screw penetrates through the top of the portal frame and is in threaded connection with the portal frame, the connecting seat is located inside the portal frame, and the connecting seat is in rotary connection with the bottom end of the screw;
the device comprises a portal frame, a connecting seat, a guide post, a guide rod and an adjusting rod, wherein the connecting seat is provided with a guide hole, 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, when the machine head of the extruder extrudes the cylindrical films with different specifications, the die needs to be replaced, and 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 a specified height, the center of the cooling ring is basically equal to the center of the head of the extruder in height, and at the moment, the screw rod stops rotating, the adjustment is completed, the structure is simple, and the operation is convenient; and after the adjustment, the distances between different spray holes and the surface of the cylinder film are equal, so that the cooling effect is improved, a better cooling effect can be kept 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 film;
the position adjusting mechanism comprises a sliding rod, a sliding block, two positioning pieces and two fixing blocks;
the two fixed blocks are respectively positioned at two ends of the sliding rod, the end part of the sliding rod is connected with the fixed blocks, the sliding block is connected with the sliding rod in a sliding manner, and the sliding block is connected with the bottom of the portal;
two the setting element is located respectively the both sides of sliding block, the setting element with the connection can be dismantled to the slide bar, the setting element is used for fixing a position the sliding block is in position on the slide bar.
By adopting the technical scheme, the cooling time is different when the tubular films with different specifications are produced, and the position of the gantry can be changed by the position adjusting mechanism; specifically, when the position of the portal frame needs to be changed, the sliding block is released from being fixed by the positioning piece, the portal frame is pushed, the portal frame drives the sliding block to slide on the sliding rod, and after the portal frame moves to a specified position, the sliding block is restored to be fixed by the positioning piece, so that 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, the requirements of cylinder films of different specifications on cooling time are met, and the applicability is further improved.
Optionally, the cooling ring comprises 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;
and the inner ring and the outer ring are both provided with grooves for forming an annular cooling channel.
Through adopting above-mentioned technical scheme, through the mode processing inner ring and outer loop of machine tooling, when the section of thick bamboo membrane of different specifications is processed to needs, in order to reach better cooling effect, can just change different inner rings through dismantling the inner ring, the internal diameter size of different inner rings, orifice diameter size, the orifice interval, the orientation of seting up of orifice are different, can adapt to the cooling demand of different specifications section of thick bamboo membranes, have 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 positioned on one side of the connecting section, which is far away from the outer ring, 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 fastening 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 with the inner ring through fastening ring and fastening screw on, both can improve the leakproofness, reduce the probability of leaking, still easy to assemble with dismantle the 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 rack 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 cylinder film and is positioned below the cylinder film;
one end of each of the plurality of spray pipes is communicated with the cooling pipe, the other end of each of the plurality of spray pipes is positioned above the cooling groove, and the plurality of spray pipes are used for spraying a cooling medium towards the cylinder film.
Through adopting above-mentioned technical scheme, in order to further promote the quality after the section of thick bamboo membrane is stereotyped, to the cooling tank of auxiliary cooling mechanism in full with cold water, pour into cold water into the cooling tube simultaneously, cold water spouts to the upper end of 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 and the cold water contact in the cooling tank, the cold water of cooling tank plays further refrigerated effect to section of thick bamboo membrane lower surface, simultaneously, has also played the effect of support to section of thick bamboo membrane whole.
Optionally, the automatic production line for the tubular film further comprises a water removal device;
the water removing device is positioned between the auxiliary cooling mechanism and the flattening device;
the water removal 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 is a plurality of the air nozzle is followed annular pipe circumference equidistant setting, air nozzle one end with the annular pipe intercommunication, the other end is jet-propelled towards the section of thick bamboo membrane, be provided with the air inlet that is used for with outside cooling air supply intercommunication on the annular pipe.
Through adopting above-mentioned technical scheme, because section of thick bamboo membrane is through the cooling back of supplementary cooling body, a small amount of water remains on section of thick bamboo membrane surface, and section of thick bamboo membrane is when water trap, and the air inlet of ring channel lets in clear low temperature compressed air, and the air admission ring channel evenly spouts to section of thick bamboo membrane from the air jet, blows off the small amount of water on section of thick bamboo membrane surface, and the follow-up rolling of being convenient for improves the quality of section of thick bamboo membrane.
Optionally, the flattening device includes a support seat, an upper support, a lower support, a connecting plate, a plurality of upper compression rollers and a plurality of lower compression rollers;
the top end of the supporting seat is fixedly connected with the lower support, the plurality of lower compression rollers are arranged at intervals along the axial direction of the cylinder film, and two ends of the plurality of lower compression rollers are connected with the lower support;
the upper compression rollers are arranged at intervals along the axial direction of the cylinder film, and two ends of the upper compression 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 pressing roller and the lower pressing roller is gradually reduced along the moving direction of the cylinder film.
Through adopting above-mentioned technical scheme, section of thick bamboo membrane is when through flattening device, and section of thick bamboo membrane and last compression roller and lower compression roller contact, and coiling mechanism drives a section of thick bamboo membrane and continues the motion, and a section of thick bamboo membrane passes through frictional force and drives the compression roller and rotate with lower compression roller, and a section of thick bamboo membrane is flattened by last compression roller and lower compression roller gradually in the motion, the follow-up rolling of being convenient for. 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, 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 conveyed to the winding device for winding, and the cylindrical film can be continuously produced by adopting the production line of the application from extruding to winding, so that the production efficiency is greatly improved; cooling media such as cold water or cold air can be introduced into the cooling medium inlet, and are uniformly sprayed to the surface of the just extruded cylindrical film from the spray holes after entering the cooling channel, 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 being flattened and improving the quality of the cylindrical film;
2. by arranging the plurality of annular cooling channels, because the amount of the cooling medium required in cooling is different when the cylinder films with different specifications are produced, at the moment, different annular cooling channels are switched, and the corresponding spray holes can spray different amounts of the 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 method for manufacturing a plurality of cooling rings with only one annular cooling channel, the manufacturing cost is greatly reduced;
3. by arranging the axial adjusting mechanism, the positions of the cooling rings and the axial distance between the adjacent cooling rings are adjusted by the axial adjusting mechanism due to different cooling time and cooling opportunity required by the cylindrical films with different specifications, so that the axial adjusting mechanism is suitable for cooling the cylindrical films with different specifications, and the applicability is improved;
4. through setting up auxiliary cooling mechanism, because the section of thick bamboo membrane is through the cooling back of cooling ring, the temperature is still higher, to being full of cold water in the cooling bath, the section of thick bamboo membrane is when auxiliary cooling mechanism, pour into cold water into in the cooling tube, cold water spouts to the upper end of section of thick bamboo membrane from the spray tube, further cool off the section of thick bamboo membrane surface, the bottom of section of thick bamboo membrane contacts with the cold water in the cooling bath, the cold water of cooling bath plays further cooling and section of thick bamboo membrane's effect to the section of thick bamboo membrane, further strengthen the cooling effect, it is more even to make section of thick bamboo membrane cooling, the thickness of section of thick bamboo membrane is more even, reduce the width error after the section of thick bamboo membrane flattens, the quality of section of thick bamboo membrane has been improved.
Drawings
FIG. 1 is a schematic structural diagram 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 feed mechanism according to embodiment 1 of the present application;
FIG. 4 is a sectional view of a cooling ring according to embodiment 1 of the present application;
FIG. 5 is a schematic structural view of a flattening device according to embodiment 1 of the present application;
FIG. 6 is a cross-sectional view of a cooling ring of embodiment 2 of the present application;
FIG. 7 is a schematic structural view of a cooling device and an axial direction adjustment mechanism according to embodiment 3 of the present application;
FIG. 8 is a schematic configuration diagram of a cooling device, a height adjusting mechanism and a position adjusting mechanism in 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 according to embodiment 5 of the present application;
FIG. 11 is an enlarged view of a part of a water removing device in accordance with embodiment 6 of the present application;
fig. 12 is a schematic structural view of a water recovery and circulation device according to embodiment 7 of the present application.
Description of reference numerals: 1. a frame; 2. an extruder; 3. a flattening device; 31. a supporting seat; 32. an upper bracket; 33. a lower bracket; 34. a connecting plate; 341. a strip-shaped hole; 35. an upper compression roller; 36. a lower pressing roller; 4. a winding device; 5. an axial adjustment mechanism; 51. a connecting seat; 52. adjusting a rod; 53. an adjusting screw; 6. a height adjustment mechanism; 61. a gantry; 62. a guide post; 63. a screw; 64. a hand wheel; 7. a position adjustment mechanism; 71. a slide bar; 72. a slider; 73. a positioning member; 74. a fixed block; 8. an auxiliary cooling mechanism; 81. a cooling tank; 82. a cooling tube; 83. a nozzle; 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 connecting section; 112. an outer ring; 113. a fastening ring; 1131. a compacting section; 1132. a fixed section; 114. fastening screws; 12. an annular cooling channel; 13. spraying a hole; 14. a cooling medium inlet; 15. an included angle adjusting component; 151. an adjusting plate; 1511. a kidney-shaped hole; 152. a threaded rod; 153. fixing a nut; 16. a water feeding pipe; 17. a blow-off pipe; 18. a cooling medium input mechanism; 181. a first header pipe; 182. a second manifold; 183. a third branch pipe; 184. adjusting a valve; 185. a fourth branch pipe; 186. a fifth branch pipe.
Detailed Description
The present application is described in further detail below with reference to 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 tubular films 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 rack 1; the cooling device, the flattening device 3 and the winding device 4 are sequentially arranged on the rack 1 along the moving direction of the cylinder film; the cooling device is used for cooling and shaping the extruded cylindrical film; flattening device 3 is used for flattening the section of thick bamboo membrane after the cooling is stereotyped, and on coiling mechanism 4 was fixed in to the one end of a section of thick bamboo membrane, coiling mechanism 4 was used for exerting the pulling force to a section of thick bamboo membrane, rolls a section of thick bamboo membrane simultaneously, and coiling mechanism 4 is the film rolling machine. When production section of thick bamboo membrane, section of thick bamboo membrane is extruded through extruder 2, and section of thick bamboo membrane is worn out from cooling ring 11 is inside, and moves along 11 axial directions of cooling ring, through cooling device's cooling back, flattening device 3 flattens the section of thick bamboo membrane and send to coiling mechanism 4 and carry out the rolling, and the section of thick bamboo membrane is from extruding to the production line that the roll up all can adopt this application and carry out continuous production, has improved production efficiency by a wide margin.
Referring to fig. 3-4, the cooling device includes at least two cooling rings 11, and the number of the cooling rings 11 may be two, three, or five, but it is sufficient if the requirement of uniform cooling of the cylinder film can be satisfied. In the present embodiment, the number of the cooling rings 11 is three, and the three cooling rings 11 are distributed at equal intervals along the axial direction of the cylindrical film and are coaxially arranged. The cooling ring 11 comprises 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 forming the annular cooling channel 12.
Referring to fig. 3-4, in order to further improve the sealing performance 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 includes a compressing section 1131 and a fixing section 1132 which are integrally formed, the compressing section 1131 is located on one side of the connecting section 1112 far away from the outer ring 112, the compressing 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 number of the fastening screws 114 is 6 along the circumferential direction of the fastening ring 113 at equal intervals, the axis of the fastening screws 114 is parallel to the axis of the fastening ring 113, and the fastening screws 114 penetrate through the fastening ring 113 and are in threaded connection with the outer ring 112. In this embodiment, an annular first groove is formed on one side surface of the connecting section 1112 of the inner ring 111, an annular second groove is formed on one side surface of the outer ring 112 close to the connecting section 1112, and the first groove and the second groove surround to form the 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 media towards the cylinder film, the spray holes 13 are obliquely arranged along the direction opposite to the moving direction of the cylinder 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 number of the cooling medium inlets 14 is four, the cooling medium inlets are arranged at equal intervals along the circumferential direction of the outer ring 112, and the outer ring 112 is connected with the rack 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, the thickness of the cylindrical film in the circumferential direction and the axial direction is more uniform, and further, the width error of the cylindrical film after being flattened is reduced, and the quality of the cylindrical film is improved. When the cylinder membranes with different specifications need to be processed, in order to achieve a better cooling effect, the inner ring 111 can be detached and the different inner rings 111 can be replaced, and the inner diameter of the different inner rings 111, the diameter of the spray holes 13, the distance between the spray holes 13 and the arrangement direction of the spray holes 13 are different, so that the cooling requirements of the cylinder membranes with different specifications can be met, and the applicability is further improved. Adopt inner ring 111, outer loop 112 and fastening ring 113 to constitute cooling ring 11, can reduce machining, assembly error and cause the not good problem of sealed effect, be fixed in outer ring 112 with inner ring 111 through fastening ring 113 and fastening screw 114 on, both can improve the leakproofness, reduce the probability of leaking, still easy to assemble and dismantle inner ring 111, and then maintain or change inner ring 111.
Referring to fig. 3-4, 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 of the three third branch pipes 183 is communicated with the second manifold 182, the other end of each of the three branch pipes 183 is communicated with the fourth branch pipe 185, each of the third branch pipes is connected with one regulating valve 184, the fourth branch pipe 185 is communicated with the two fifth branch pipes 186 through a three-way valve, and the other end of each of the two fifth branch pipes 186 is communicated with the corresponding cooling medium inlet 14. The other two cooling medium inlets 14 are also connected to cooling medium supply mechanisms 18 having the same structure, and the inlets of the two first manifolds 181 are connected to a tee joint. The cooling medium enters the second manifold 182 from the first manifold 181, opens the regulating valve 184, then enters the third branch 183, the fourth branch 185 and the fifth branch 186 in sequence, and then enters the annular cooling passage 12, and is sprayed out from the spray holes 13 to cool the cylinder film.
Referring to fig. 5, the flattening device 3 includes a support 31, an upper support 32, a lower support 33, a connecting plate 34, a plurality of upper compression rollers 35 and a plurality of lower compression rollers 36, the bottom end of the support 31 is connected with the frame 1 through a bolt, the support 31 is an adjusting cup, the top end of the support 31 is connected with the lower support 33 through a bolt, the lower support 33 is two rectangular rods arranged at intervals, the upper support 32 and the lower support 33 have the same shape, size and connecting structure, the plurality of lower compression rollers 36 are arranged at equal intervals along the axial direction of the tube film, two ends of the plurality of lower compression rollers 36 are connected with the lower support 33 through a bolt, the plurality of upper compression rollers 35 are arranged at equal intervals along the axial direction of the tube film, two ends of the plurality of upper compression rollers 35 are connected with the upper support 32 through a bolt, and the upper compression rollers 35 and the lower compression rollers 36 are unpowered rollers capable of rotating 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 34 is connected with the lower bracket 33 through a bolt, and the distance between the upper press roller 35 and the lower press roller 36 is gradually reduced along the moving direction of the cylinder 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 support 32 and the lower support 33, the 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 assembly 15 comprises an adjusting plate 151, 2 threaded rods 152 and 4 fixing nuts 153, the adjusting plate 151 is connected with the rack 1 through bolts, waist-shaped holes 1511 are formed in the adjusting plate 151 in the vertical direction, the axis of the threaded rod 152 is parallel to the axis of the upper pressing 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 holes 1511, the two fixing nuts 153 are located on two sides of the adjusting plate 151, the two fixing nuts 153 are in threaded connection with one of the threaded rods 152, the two fixing nuts 153 are tightly attached to the adjusting plate 151 after being screwed down, and the other two fixing nuts 153 are in threaded connection with the other threaded rod 152. The one end that connecting plate 34 is close to lower carriage 33 has seted up the bar hole 341 along vertical direction, and the bolt of fixed connection plate 34 runs through the bar hole 341 and with lower carriage 33 threaded connection, and when the bolt was screwed up, the head and the connecting plate 34 of bolt supported tightly.
Referring to fig. 5, when the tube film passes through the flattening device 3, the tube film contacts with the upper press roll 35 and the lower press roll 36, the winding device 4 drives the tube film to move continuously, the tube film drives the upper press roll 35 and the lower press roll 36 to rotate through friction force, and the tube film is gradually flattened by the upper press roll 35 and the lower press roll 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 fixing nut 153 and the bolt on the connecting plate 34 are unscrewed, the height of the lower bracket 33 can be adjusted by the adjusting 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 be a proper included angle, the fixing nut 153 and the bolt on the connecting plate 34 are screwed; in a similar way, the distance between the discharge ends of the upper support 32 and the lower support 33 can be adjusted by moving the two threaded rods 152 in the kidney-shaped hole 1511, and the distance between the upper pressing roller 35 and the lower pressing roller 36 is changed, so that the device is suitable for flattening cylinder films with different specifications, and the applicability is improved.
The implementation principle of the embodiment 1 is as follows: when a cylinder film is produced, the cylinder film is extruded through the extruder 2, the cylinder film is cooled and shaped through the cooling device, the cylinder film penetrates out of the cooling ring 11, after cold water enters the cooling channel, the cold water is uniformly sprayed to the surface of the cylinder film which is just extruded from the spray holes 13, the cylinder film is uniformly cooled, the cylinder film passes through the flattening device 3, the cylinder film is in contact with the upper compression roller 35 and the lower compression roller 36, the rolling device 4 drives the cylinder film to move continuously, the cylinder film drives the upper compression roller 35 and the lower compression roller 36 to rotate through friction force, the cylinder film is gradually flattened by the upper compression roller 35 and the lower compression roller 36 in the movement process, and the flattened cylinder film is rolled by the rolling device 4. This application has the effect that improves section of thick bamboo membrane production efficiency.
Example 2
Referring to fig. 6, an automatic production line for a tubular film is different from embodiment 1 in that a plurality of annular cooling channels 12 are arranged at intervals along a 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 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, each annular cooling channel 12 is correspondingly provided with spray holes 13, diameters of the spray holes 13 corresponding to each annular cooling channel 12 are different, and in this embodiment, diameters of three groups of spray holes 13 are respectively 1mm, 1.5mm, and 2 mm. When the cylinder films with different specifications need to be produced, the required quantity of the cooling medium is different; because a plurality of annular cooling channels 12 are arranged in the cooling ring 11, different annular cooling channels 12 can be switched at the moment, and the spray holes 13 corresponding to the annular cooling channels 12 can spray cooling media with different required quantities, so that the cooling effect of cylinder 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; moreover, for the cylindrical film with a 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, and the applicability of the cooling device is further improved.
Example 3
Referring to fig. 7, an automatic production line for a roll film, which is different from embodiment 1, is that the cooling apparatus further includes an axial adjustment mechanism 5 for adjusting the axial intervals 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 needed by the cylindrical films with different specifications are different, the axial adjusting mechanism 5 is used for adjusting the positions of the cooling rings 11 and the axial distance between the adjacent cooling rings 11, so that the cylindrical films with different specifications are cooled, 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 rectangular, the connecting seat 51 is connected with the frame 1 through a bolt, 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, two or four, and the requirements of stably connecting the three cooling rings 11 can be met; 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 ring 11 or the distance between the adjacent cooling rings 11 needs to be adjusted, the adjusting screw 53 is loosened, the cooling ring 11 is pushed to slide to a specified position along the adjusting rod 52, and then the adjusting screw 53 is screwed down, so that the structure is simple, and the adjustment is convenient; in addition, the position of the cooling ring 11 can be finely adjusted by changing the connecting position of the adjusting rod 52 and the connecting seat 51; the connection socket 51 also functions to connect with other devices.
Example 4
Referring to fig. 8 to 9, an automatic production line for a tubular film, which is different from embodiment 3, is that the cooling device further includes a height adjusting mechanism 6 for driving the connecting base 51 to ascend and descend, and the connecting base 51 is not directly connected to the frame 1 but is connected to the frame 1 through the height adjusting mechanism 6. The height adjusting mechanism 6 comprises a door frame 61, a guide post 62 and a screw 63; portal 61 is the door font, the vertical setting of screw rod 63, screw rod 63 runs through portal 61 top and with portal 61 threaded connection, there is hand wheel 64 at the screw rod 63 top through the screw connection, connecting seat 51 is located inside portal 61, connecting seat 51 is passed through the bearing with the screw rod 63 bottom and is rotated and be connected, four guiding holes have been seted up on the connecting seat 51, the axis and the screw rod 63 axis of guiding hole are parallel, the guide post 62 is provided with four, four guide posts 62 are around screw rod 63 equidistant distribution of circumference, the axis and the screw rod 63 axis of guide post 62 are parallel, bolted connection is passed through with portal 61 top to guide post 62 one end, the guide post 62 other end runs through the guiding hole and with connecting seat 51 sliding connection, the one end of adjusting pole 52 passes through bolted connection with connecting seat 51 bottom surface.
Referring to fig. 8 to 9, the cooling apparatus further includes a position adjusting mechanism 7 for adjusting the horizontal position of the gantry 61 in the axial direction of the tube 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 fixed blocks 74 are C-shaped blocks, the two fixed blocks 74 are respectively located at two ends of the sliding rod 71, the end portion of the sliding rod 71 extends into the C-shaped blocks and then is locked through screws, the sliding block 72 is in sliding connection with the sliding rod 71, the sliding block 72 is in bolted connection with the bottom of the door frame 61, the two positioning pieces 73 are respectively located on two sides of the sliding block 72, the positioning pieces 73 are C-shaped blocks, the positioning pieces 73 are sleeved on the peripheral sides of the sliding rod 71, the positioning pieces 73 are locked on the sliding rod 71 through bolts, and the positioning pieces 73 are used for positioning the positions of the sliding block 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, after the cooling ring 11 reaches a specified height, the axis of the cooling ring 11 is collinear with the 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 after the adjustment, the distances between different spray holes 13 and the surface of the cylinder film are equal, so that the cooling effect is improved, a better cooling effect can be kept after the 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 on 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 on 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, the requirements of cylinder films of different specifications on cooling time are met, and the applicability is further improved.
Example 5
Referring to fig. 10, an automatic production line for a tubular film, which is different from embodiment 1, includes 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 includes a cooling tank 81, a cooling pipe 82 and a plurality of nozzles 83, the cooling tank 81 is a rectangular water tank with an open upper end, the cooling tank 81 is disposed along an axial direction of the tubular film, the cooling tank 81 is located below the tubular film, and the cooling tank 81 is connected to the frame 1 through bolts; the number of the spray pipes 83 may be 2, 4, or 5, but it is sufficient if the requirement of the cooling cylinder film can be satisfied, in the present embodiment, the number of the spray pipes 83 is 4, one end of each of the 4 spray pipes 83 is communicated with the cooling pipe 82, the other end of each of the 4 spray pipes 83 is located above the cooling tank 81, the 4 spray pipes 83 are used for spraying cold water toward the cylinder film, the axial direction of the cooling pipe 82 is parallel to the longitudinal direction of the cooling tank 81, the cooling pipe 82 is connected to the rack 1 through a support rod, and the cooling pipe 82 is located above the longitudinal side of the cooling tank 81.
The implementation principle of the embodiment 5 is as follows: when the cylinder film is produced, cold water is filled into the cooling tank 81 in advance, meanwhile, cold water is filled into the cooling pipe 82, and the cold water is sprayed to the upper end of the cylinder film through the spray pipe 83, so that the surface of the cylinder film is further cooled; the bottom of the cylinder film is contacted with cold water in the cooling tank 81, and the cold water in the cooling tank 81 plays a role in further cooling the lower surface of the cylinder film and simultaneously plays a role in supporting the whole cylinder film.
Example 6
Referring to fig. 11, an automatic tubular film production line is different from embodiment 5 in that the automatic tubular film production line further includes a water removal device 9, and the water removal device 9 is located between the auxiliary cooling mechanism 8 and the flattening device 3; water trap 9 includes annular tube 91, a plurality of air nozzles 92, the axis of annular tube 91 is parallel with the axis of cooling ring 11, the section of thick bamboo membrane passes from annular tube 91 is inside, a plurality of air nozzles 92 set up along annular tube 91 equidistant circumference, air nozzle 92 one end and annular tube 91 intercommunication, the other end is jet-propelled towards the section of thick bamboo membrane, air nozzle 92 sets up along the opposite direction slope of section of thick bamboo membrane direction of motion, be convenient for blow off the remaining water in section of thick bamboo membrane surface fast, be provided with on the annular tube 91 and be used for the air inlet 911 with outside cooling air supply intercommunication.
The implementation principle of the embodiment 6 is as follows: after the cylinder film is cooled by the auxiliary cooling mechanism 8, a small amount of water remains on the surface of the cylinder film, clean low-temperature compressed air is introduced into the air inlet 911 of the annular pipe 91 when the cylinder film passes through the water removal device 9, the air enters the annular pipe 91 and is uniformly sprayed to the cylinder film from the air nozzle 92, the small amount of water on the surface of the cylinder film is blown off, the subsequent winding is facilitated, and the quality of the cylinder film is improved.
Example 7
Referring to fig. 12, an automatic production line for a roll film, which is different from embodiment 5, further includes a water recycling circulation device 10, the water recycling circulation device 10 includes a water tank 101, a recycling water tank 102, a first recycling pipe 103, a second recycling 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 feeding pipe 16, the bottom of the side wall of the water tank 101 is communicated with a sewage discharge 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 and a cooling pipe 82 of a cooling ring 11; the recovery water tank 102 is a rectangular 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 through 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 communicates with the bottom of the recovery water tank 102, and the other end of the second recovery pipe 104 communicates with the top of the water tank 101.
The implementation principle of example 7 is: when the tubular film is produced, normal-temperature water is filled into the water tank 101 through the water filling pipe 16, the water in the water tank 101 is pumped in by the water cooling machine 106 through the circulating pipe 105, the normal-temperature water is cooled to 10-15 ℃, cold water enters the cooling ring 11 and the cooling pipe 82 through the water outlet pipe 107 respectively, the cold water in the cooling pipe 82 is sprayed to the cooling tank 81 from the spray pipe 83, the cooling tank 81 is filled with the water firstly, the cooling ring 11 sprays the water to the tubular film for primary cooling, the cold water in the cooling pipe 82 is sprayed to the upper end of the tubular film from the spray pipe 83 for secondary cooling of the surface of the tubular film, the water after the tubular film is cooled flows into the recovery water tank 102 and then flows into the water tank 101 through the second recovery pipe 104 for recycling, waste of water resources is reduced, and production cost is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a section of thick bamboo membrane automatic production line which 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 barrel film, and the extruder (2) is arranged on one side of the rack (1);
the cooling device, the flattening device (3) and the winding device (4) are sequentially arranged on the rack (1) along the moving direction of the cylinder film;
the cooling device is used for cooling and shaping the extruded cylinder 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 cylinder film and winding the cylinder film at the same time;
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 cylinder 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 used for spraying a cooling medium towards a cylinder film are formed in the cooling ring (11) along the circumferential direction, and a cooling medium inlet (14) used for communicating the annular cooling channel (12) with an external cooling source is formed in the cooling ring (11).
2. The automatic production line of the drum film according to claim 1, characterized in that: 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 the annular cooling channels (12) are different.
3. The automatic production line of the web film according to claim 1, wherein: the cooling device further comprises an axial adjusting 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 of the adjusting rod passes through at least two cooling rings (11) in sequence and is suspended;
the adjusting screw (53) is radially mounted on the cooling ring (11) along the cooling ring (11), is arranged corresponding to the adjusting rod (52), and is used for fixing the axial position of the cooling ring (11).
4. The automatic production line of the web film as claimed in claim 3, wherein: 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 door frame (61), a guide post (62) and a screw rod (63);
the screw rod (63) penetrates through the top of the door frame (61) and is in threaded connection with the door frame (61), the connecting seat (51) is located inside the door frame (61), and the connecting seat (51) is in rotary connection with the bottom end of the screw rod (63);
the device is characterized in that a guide hole is formed in the connecting seat (51), one end of the guide post (62) is connected with the top of the door frame (61), the other end of the guide post (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).
5. The automatic production line of the drum film according to claim 1, characterized in that: 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 cylindrical 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 part of the sliding rod (71) is connected with the fixed blocks (74), the sliding block (72) is connected with the sliding rod (71) in a sliding manner, and the sliding block (72) is connected with the bottom of the door frame (61);
two locating parts (73) are respectively located the both sides of sliding block (72), locating part (73) with slide bar (71) can be dismantled and be connected, locating part (73) are used for fixing a position slide block (72) is in slide bar (71) is last.
6. The automatic production line of the web film according to claim 1, wherein: 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).
7. The automatic production line of the web film as claimed in claim 6, wherein: 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 inside the outer ring (112), the connecting section (1112) is positioned on 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 the side of the connecting section (1112) away from the outer ring (112), and the fastening screw (114) penetrates through the fastening ring (113) and is in threaded connection with the outer ring (112).
8. The automatic production line of the web film according to claim 1, wherein: the cooling device further comprises an auxiliary cooling mechanism (8);
the auxiliary cooling mechanism (8) is arranged on the rack (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 cylinder film, and the cooling groove (81) is positioned below the cylinder film;
one end of each of the plurality of nozzles (83) is communicated with the cooling pipe (82), the other end of each of the plurality of nozzles (83) is positioned above the cooling tank (81), and the plurality of nozzles (83) are used for ejecting a cooling medium toward a film.
9. The automatic production line of the web film according to claim 8, wherein: the automatic production line of the cylinder film also comprises a water removal device (9);
the dewatering device (9) is positioned 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);
the axis of annular pipe (91) with the axis of cooling ring (11) is parallel, and is a plurality of air nozzle (92) are followed annular pipe (91) circumference equidistant setting, air nozzle (92) one end with annular pipe (91) intercommunication, the other end is towards the section of thick bamboo membrane jet-propelled, be provided with on annular pipe (91) and be used for air inlet (911) with outside cooling air supply intercommunication.
10. The automatic production line of the web film according to claim 8, wherein: the flattening device (3) comprises a supporting seat (31), an upper support (32), a lower support (33), a connecting plate (34), a plurality of upper pressing rollers (35) and a plurality of lower pressing rollers (36);
the top end of the supporting seat (31) is fixedly connected with the lower support (33), the lower pressing rollers (36) are arranged at intervals along the axial direction of the cylinder film, and two ends of the lower pressing rollers (36) are connected with the lower support (33);
the upper press rollers (35) are arranged at intervals along the axial direction of the cylinder 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 pressing roller (35) and the lower pressing roller (36) is gradually reduced along the moving direction of the cylinder film.
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 |
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| Publication Number | Publication Date |
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| CN114905721A true CN114905721A (en) | 2022-08-16 |
| CN114905721B CN114905721B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210680107.XA Active CN114905721B (en) | 2022-06-16 | 2022-06-16 | Automatic production line for cylindrical films |
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| CN (1) | CN114905721B (en) |
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| 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 |
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| US20190358884A1 (en) * | 2018-05-22 | 2019-11-28 | Kdesign Gmbh | Cooling device with a cooling gas ring and a flow guiding device |
| 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 |
| US20210291426A1 (en) * | 2020-03-17 | 2021-09-23 | Bucko Michael P | External cooling air ring for blown- film extrusion |
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2022
- 2022-06-16 CN CN202210680107.XA patent/CN114905721B/en active Active
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| 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 |
| US20190358884A1 (en) * | 2018-05-22 | 2019-11-28 | Kdesign Gmbh | Cooling device with a cooling gas ring and a flow guiding device |
| 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 |
| US20210291426A1 (en) * | 2020-03-17 | 2021-09-23 | Bucko Michael P | External cooling air ring for blown- film extrusion |
| 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 |
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| CN114905721B (en) | 2024-02-27 |
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