CN113878780A - Polytetrafluoroethylene film calendering equipment - Google Patents
Polytetrafluoroethylene film calendering equipment Download PDFInfo
- Publication number
- CN113878780A CN113878780A CN202111168470.5A CN202111168470A CN113878780A CN 113878780 A CN113878780 A CN 113878780A CN 202111168470 A CN202111168470 A CN 202111168470A CN 113878780 A CN113878780 A CN 113878780A
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- China
- Prior art keywords
- roller
- rack
- sliding block
- belt wheel
- polytetrafluoroethylene film
- 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.)
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- -1 Polytetrafluoroethylene Polymers 0.000 title claims abstract description 104
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 104
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 104
- 238000003490 calendering Methods 0.000 title claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 54
- 238000007906 compression Methods 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 37
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000007664 blowing Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000006247 magnetic powder Substances 0.000 description 8
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
- B29C43/245—Adjusting calender parameters, e.g. bank quantity
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a polytetrafluoroethylene film calendering equipment relates to the technical field of film calendering equipment, which comprises a bod, be equipped with first compression roller and second compression roller on the organism, be equipped with on the organism and be used for driving first compression roller and second compression roller pivoted actuating mechanism in opposite directions, be equipped with the thickness measurement piece that is used for measuring polytetrafluoroethylene film thickness on the organism, be equipped with the adjustment mechanism who is used for driving first compression roller and second compression roller and removes in opposite directions on the organism, thickness measurement piece is connected with the adjustment mechanism electricity. The thickness of the polytetrafluoroethylene film is detected by the thickness measuring part, when the thickness of the polytetrafluoroethylene film is larger than the set thickness, the adjusting mechanism drives the first compression roller and the second compression roller to move in opposite directions, and then the distance between the first compression roller and the second compression roller is shortened, so that the thickness of the polytetrafluoroethylene film meets the set requirement.
Description
Technical Field
The application relates to the technical field of film calendering equipment, in particular to polytetrafluoroethylene film calendering equipment.
Background
Calendering, one of the basic processes in the processing of polymer materials, is to process a plasticized thermoplastic plastic, such as polytetrafluoroethylene, that is close to a viscous flow temperature, through a series of horizontal roller gaps that rotate in opposite directions, so that the polytetrafluoroethylene material is subjected to extrusion and stretching, and a polytetrafluoroethylene film-shaped product with a certain thickness and width is formed.
In the calendering process, a calender is usually used, the calender comprises two calendering rollers which rotate oppositely, the polytetrafluoroethylene blank passes through a gap between the two calendering rollers, and after the mutual rolling action of the two calendering rollers, the thickness of the polytetrafluoroethylene blank is reduced, the width of the polytetrafluoroethylene blank is widened, and finally the polytetrafluoroethylene blank is calendered into a polytetrafluoroethylene film.
However, in the actual use process, the inventors think that the calendering rolls are easy to wear along with the increase of time, so that the gap between the two calendering rolls is enlarged, and further the thickness of the polytetrafluoroethylene film is larger than the set thickness, and the product quality of the polytetrafluoroethylene film is influenced.
Disclosure of Invention
In order to improve the problem that the thickness that results in polytetrafluoroethylene film is greater than the settlement thickness of calendering roller clearance grow, the application provides a polytetrafluoroethylene film calendering equipment.
The application provides a polytetrafluoroethylene film calendering equipment adopts following technical scheme:
the utility model provides a polytetrafluoroethylene film calendering equipment, is including the blowing device that is used for releasing the polytetrafluoroethylene blank and the material collecting device who is used for the rolling polytetrafluoroethylene film, be connected through the roll-in device between blowing device and the material collecting device, the roll-in device includes the organism, be equipped with first compression roller and second compression roller on the organism, be equipped with on the organism and be used for driving first compression roller and second compression roller pivoted actuating mechanism in opposite directions, be equipped with the thickness measurement piece that is used for measuring polytetrafluoroethylene film thickness on the organism, be equipped with the adjustment mechanism who is used for driving first compression roller and second compression roller and removes in opposite directions on the organism, it is connected with the adjustment mechanism electricity to survey the thickness piece.
Through adopting above-mentioned technical scheme, in the blowing device sent into the clearance of first compression roller and second compression roller with the polytetrafluoroethylene blank, actuating mechanism drive first compression roller and second compression roller rotated in opposite directions, and then rolled into the polytetrafluoroethylene film with the polytetrafluoroethylene blank, and material collecting device carries out the rolling to the polytetrafluoroethylene film. Survey thick piece and detect the thickness of polytetrafluoroethylene film, when the thickness of polytetrafluoroethylene film was greater than and sets for thickness, adjustment mechanism drive first compression roller and second compression roller moved in opposite directions, and then shortened the distance between first compression roller and the second compression roller for polytetrafluoroethylene film thickness accords with and sets for the requirement, and then improves polytetrafluoroethylene film's product quality.
Preferably, the adjusting mechanism comprises a first sliding block and a second sliding block, the first sliding block and the second sliding block are both connected with the machine body in a sliding mode, the first pressing roller is connected with the first sliding block in a rotating mode, the second pressing roller is connected with the second sliding block in a rotating mode, and an adjusting piece for driving the first sliding block and the second sliding block to slide in opposite directions is arranged on the machine body.
Through adopting above-mentioned technical scheme, the first slider of regulating part drive and second slider slide in opposite directions, and then drive first compression roller and second compression roller and slide in opposite directions, improve the gliding stationarity of first compression roller and second compression roller on the one hand, on the other hand first slider and second slider play the guide effect, reduce first compression roller and second compression roller and take place the possibility of wrong partially.
Preferably, the driving mechanism comprises a first gear and a second gear engaged with the first gear, the first pressing roller is fixedly connected with a first belt wheel, the first gear is fixedly connected with the second pressing roller, the second gear is rotatably connected with a second slider, the second gear is fixedly connected with a second belt wheel, and the first belt wheel and the second belt wheel realize transmission through a first transmission belt.
Through adopting above-mentioned technical scheme, first band pulley rotates and drives first compression roller and rotate, and meanwhile, first band pulley drives the syntropy rotation of second band pulley through first conveyer belt, and the second band pulley drives the syntropy rotation of second gear, second gear and first gear engagement, and first gear drives the syntropy rotation of second compression roller, and then makes the rotation opposite direction of first compression roller and second compression roller, convenient operation, and the transmission is steady.
Preferably, the driving mechanism further comprises a third slider and a third belt pulley, the third slider is connected with the machine body in a sliding manner, the third belt pulley is connected with the third slider in a rotating manner, the third belt pulley, the first belt pulley and the second belt pulley realize transmission through the same first conveying belt, and a driving assembly for driving the third slider to slide is arranged on the machine body.
Through adopting above-mentioned technical scheme, the third band pulley rotates, and then drives first band pulley, second band pulley syntropy simultaneously and rotates through first conveyer belt, a common driving source, the energy can be saved, simple structure. The adjusting part drives the third sliding block to slide, so that the third belt wheel is driven to slide towards the first belt wheel and the second belt wheel, the distance between the third belt wheel and the first belt wheel and the distance between the third belt wheel and the second belt wheel are shortened, the possibility of excessive deformation of the first conveying belt is reduced, and the service life of the first conveying belt is prolonged.
Preferably, the driving assembly comprises a first rack fixedly connected with the third sliding block, a third gear is rotatably connected to the machine body, the third gear is meshed with the first rack, and a driving part for driving the third gear to rotate is arranged on the machine body.
Through adopting above-mentioned technical scheme, driving piece drive third gear rotates, and third gear and first rack toothing, and then drive first rack and slide, and first rack drives the third slider and slides between first slider and the second slider towards, and convenient operation saves the manual work.
Preferably, the driving part comprises a second rack and a third rack, the end of the second rack is fixedly connected with the first sliding block, the second rack is meshed with the third gear, the end of the third rack is fixedly connected with the second sliding block, a fourth gear meshed with the third rack is rotatably connected to the machine body, and the adjusting part comprises a first cylinder and a second cylinder, wherein the first cylinder is used for driving the second rack to slide towards the third rack, and the second cylinder is used for driving the third rack to slide towards the second rack.
By adopting the technical scheme, the first cylinder drives the second rack to slide towards the third rack direction, so as to drive the third gear to rotate, on one hand, the first sliding block is driven to slide towards the second sliding block direction, and the distance between the first compression roller and the second compression roller is shortened; the second aspect drives the third slide block to slide towards the position between the first slide block and the second slide block, so that the deformation of the first conveyor belt is reduced; the third aspect can also limit the sliding of the third sliding block, so that the risk of the third sliding block sliding back is reduced; the second cylinder drives the third rack to slide towards the direction of the second rack, and then drives the second sliding block to slide towards the direction of the first sliding block, so that the operation is convenient, and the labor is saved.
Preferably, the blowing device includes first frame and blowing roller, the blowing roller rotates with first frame to be connected, the polytetrafluoroethylene blank twines on the blowing roller, the one end that the blowing roller was kept away from to the polytetrafluoroethylene blank penetrates in the clearance of first compression roller and second compression roller, be equipped with the tension controller who is used for adjusting polytetrafluoroethylene blank tension on the first frame.
Through adopting above-mentioned technical scheme, the blowing roller rotates, and then drives the polytetrafluoroethylene blank and removes towards the clearance direction of first compression roller and second compression roller, and tension controller can adjust polytetrafluoroethylene blank tension, reduces the possibility that polytetrafluoroethylene blank takes place the fold.
Preferably, the receiving device comprises a second rack and a receiving roller, the receiving roller is rotatably connected with the second rack, the receiving roller is fixedly connected with a fourth belt wheel, the second rack is rotatably connected with a fifth belt wheel, and the fifth belt wheel and the fourth belt wheel are driven by a second conveying belt.
By adopting the technical scheme, the fifth belt wheel rotates to drive the fourth belt wheel to rotate through the second conveying belt, so that the material receiving roller is driven to rotate, and on one hand, the polytetrafluoroethylene film is wound by the material receiving roller, so that the labor is saved, and the transmission is stable; on the other hand, the tension balance can be formed between the polytetrafluoroethylene film and the discharging roller, and the possibility of wrinkling of the polytetrafluoroethylene film is reduced.
Preferably, the second frame is hinged with a locking end cover, the inner side wall of the locking end cover is attached to the outer side wall of the material receiving roller, and a clamping piece used for fixing the locking end cover is arranged on the second frame.
Through adopting above-mentioned technical scheme, the joint spare is fixed with the locking end cover, and the locking end cover will receive the material roller and fix a position, reduces and receives the material roller and takes place the possibility of rocking, and then improves the rotational stability who receives the material roller.
In summary, the present application includes at least one of the following beneficial technical effects:
in the blowing device sent into the clearance of first compression roller and second compression roller with the polytetrafluoroethylene blank, actuating mechanism driven first compression roller and second compression roller rotated in opposite directions, and then rolled into the polytetrafluoroethylene film with the polytetrafluoroethylene blank, and material collecting device carries out the rolling to the polytetrafluoroethylene film. The thickness measuring part detects the thickness of the polytetrafluoroethylene film, and when the thickness of the polytetrafluoroethylene film is larger than the set thickness, the adjusting mechanism drives the first pressing roller and the second pressing roller to move oppositely, so that the distance between the first pressing roller and the second pressing roller is shortened, the thickness of the polytetrafluoroethylene film meets the set requirement, and the product quality of the polytetrafluoroethylene film is improved;
the third belt wheel rotates, and then drives first belt wheel, second belt wheel syntropy simultaneously and rotates through first conveyer belt, a common driving source, the energy can be saved, simple structure. The adjusting piece drives the third sliding block to slide, so that the third belt wheel is driven to slide towards the first belt wheel and the second belt wheel, the distance between the third belt wheel and the first belt wheel and between the third belt wheel and the second belt wheel is shortened, the possibility of excessive deformation of the first conveying belt is reduced, and the service life of the first conveying belt is prolonged;
the first cylinder drives the second rack to slide towards the direction of the third rack so as to drive the third gear to rotate, on one hand, the first sliding block is driven to slide towards the direction of the second sliding block, and the distance between the first compression roller and the second compression roller is shortened; the second aspect drives the third slide block to slide towards the position between the first slide block and the second slide block, so that the deformation of the first conveyor belt is reduced; the third aspect can also limit the sliding of the third sliding block, so that the risk of the third sliding block sliding back is reduced; the second cylinder drives the third rack to slide towards the direction of the second rack, and then drives the second sliding block to slide towards the direction of the first sliding block, so that the operation is convenient, and the labor is saved.
Drawings
Fig. 1 is a schematic structural view for embodying the whole of the rolling apparatus in the example of the present application.
Fig. 2 is a structural sectional view for embodying a rolling device in the example of the present application.
FIG. 3 is a structural section view for embodying the emptying device in the embodiment of the present application.
FIG. 4 is a structural section view for embodying the material collecting device in the embodiment of the present application.
FIG. 5 is a sectional view of the structure for showing the hidden side plate of the material receiving device in the embodiment of the application.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a partially enlarged view of a portion B in fig. 4.
Description of reference numerals: 1. a discharging device; 11. a first frame; 12. a discharge roller; 13. a polytetrafluoroethylene blank; 14. a tension controller; 15. a magnetic powder brake; 16. a tension roller; 2. a rolling device; 21. a body; 211. a fixed mount; 2111. a notch; 22. a first press roll; 221. a first pulley; 23. a second press roll; 24. a drive mechanism; 241. a first gear; 242. a second gear; 2421. a second pulley; 243. a first conveyor belt; 244. a third slider; 2441. a motor base; 2442. a drive motor; 245. a third belt pulley; 246. a drive assembly; 2461. a first rack; 2462. a third gear; 2463. a drive member; 2464. a second rack; 2465. a third rack; 2466. a fourth gear; 25. measuring the thickness of the part; 251. a thickness gauge; 26. an adjustment mechanism; 261. a first slider; 262. a second slider; 263. an adjustment member; 2631. a first cylinder; 2632. a second cylinder; 3. a material receiving device; 31. a polytetrafluoroethylene film; 32. a second frame; 321. locking the end cover; 322. a clamping piece; 3221. a hook; 3222. buckling; 323. a first carrier roller; 324. a second carrier roller; 325. a third carrier roller; 326. a support; 3261. positioning the bearing; 3262. locking the bolt; 3263. a material receiving motor; 33. a material receiving roller; 34. a fourth pulley; 35. a fifth belt pulley; 36. a second conveyor belt.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses polytetrafluoroethylene film calendering equipment. Referring to fig. 1, a polytetrafluoroethylene film calendering equipment includes a feeding device 1, a rolling device 2 and a receiving device 3, wherein the feeding device 1 is connected with the receiving device 3 through the rolling device 2. The discharging device 1 is used for inputting polytetrafluoroethylene blanks 13 to the rolling device 2, the rolling device 2 is used for rolling the polytetrafluoroethylene blanks into polytetrafluoroethylene films 31, and the receiving device 3 is used for rolling the rolled polytetrafluoroethylene films 31.
Referring to fig. 2, the rolling device 2 includes a body 21, a first press roller 22, and a second press roller 23. The first pressing roller 22 and the second pressing roller 23 are arranged in parallel and are mounted on the machine body 21, the machine body 21 is provided with a driving mechanism 24, and the driving mechanism 24 is used for driving the first pressing roller 22 and the second pressing roller 23 to rotate oppositely so as to roll the polytetrafluoroethylene blank 13. The thickness measuring part 25 is installed on the machine body 21, the thickness measuring part 25 is used for measuring the thickness of the polytetrafluoroethylene film 31, the adjusting mechanism 26 is further installed on the machine body 21, the adjusting mechanism 26 is used for driving the first pressing roller 22 and the second pressing roller 23 to move oppositely, and the adjusting mechanism 26 is electrically connected with the thickness measuring part 25.
During operation, polytetrafluoroethylene blank 13 enters the gap between the first pressing roller 22 and the second pressing roller 23 through the discharging device 1, the driving mechanism 24 drives the first pressing roller 22 and the second pressing roller 23 to rotate in opposite directions, and the polytetrafluoroethylene blank 13 is further rolled into a polytetrafluoroethylene film 31 and then output to the receiving device 3. The thickness gauge is used for measuring the thickness of polytetrafluoroethylene film 31, and when the thickness of polytetrafluoroethylene film 31 was greater than the setting value, adjustment mechanism 26 driven first compression roller 22 and second compression roller 23 moved in opposite directions, shortened the distance in clearance between first compression roller 22 and the second compression roller 23, and then adjusted the thickness of polytetrafluoroethylene film 31 for the thickness of polytetrafluoroethylene film 31 accords with the settlement requirement, improves the product quality of polytetrafluoroethylene film 31.
Referring to fig. 3, the discharging device 1 comprises a first frame 11, a magnetic powder brake 15 and a discharging roller 12, the first frame 11 is welded and fixed with a machine body 21, the magnetic powder brake 15 is fixedly connected with the first frame 11 through a bolt, the output end of the magnetic powder brake 15 is fixedly connected with the end part of the discharging roller 12 through a coupler, and the magnetic powder brake 15 is used for driving the discharging roller 12 to rotate. The first frame 11 is rotatably connected with three tensioning rollers 16 which are arranged in parallel, the polytetrafluoroethylene blank 13 is wound on the discharging roller 12, and one end, far away from the discharging roller 12, of the polytetrafluoroethylene penetrates through gaps of the first pressing roller 22 and the second pressing roller 23 after sequentially penetrating out of the three tensioning rollers 16. In order to reduce the possibility of wrinkling of the polytetrafluoroethylene blank 13, a tension controller 14 is fixedly connected to the first frame 11 through bolts, in the embodiment of the present invention, an SC-1K (1A) tension controller 14 is adopted, the tension controller 14 is electrically connected to a magnetic powder brake 15, and the tension controller 14 is used for adjusting the surface tension of the polytetrafluoroethylene blank 13.
Referring to fig. 2, the adjusting mechanism 26 includes an adjusting piece 263, a first slider 261, and a second slider 262, the first slider 261 and the second slider 262 both slide along the vertical direction of the machine body 21, and the second slider 262 is located above the first slider 261. The adjusting part 263 comprises a first cylinder 2631 and a second cylinder 2632, a second rack 2464 is welded to the output end of the first cylinder 2631, and one end of the second rack 2464 far away from the first cylinder 2631 is welded and fixed to the first sliding block 261. The second cylinder 2632 is fixedly connected to the machine body 21 through a bolt, the second cylinder 2632 is located above the first cylinder 2631, the output end of the second cylinder 2632 is welded with a third rack 2465, and one end of the third rack 2465, which is far away from the second cylinder 2632, is welded and fixed with the second slider 262. The body 21 is provided with a fixing frame 211, and the fixing frame 211 is provided with a notch 2111 for the teflon film 31 to pass through. The thickness measuring part 25 is mounted on the fixing frame 211, the thickness measuring part 25 can be a thickness gauge, a ruler or a thickness gauge 251, an LK-402 thickness gauge 251 is adopted in the embodiment of the application, the thickness gauge 251 is respectively electrically connected with the first cylinder 2631 and the second cylinder 2632, and the detection end of the thickness gauge 251 passes through the notch 2111 and then abuts against the teflon film 31.
When the thickness gauge 251 detects that the thickness of the teflon film 31 is greater than a predetermined thickness value, the thickness gauge 251 converts the thickness signal into an electrical signal, and simultaneously drives the output end of the first cylinder 2631 and the output end of the second cylinder 2632 to extend in opposite directions, and the output end of the first cylinder 2631 drives the second rack 2464 to slide towards the second cylinder 2632, so as to drive the first slider 261 to slide towards the second cylinder 2632. Meanwhile, the output end of the second cylinder 2632 drives the third rack 2465 to slide towards the first cylinder 2631, and then drives the second slider 262 to slide towards the first cylinder 2631, so that the first pressing roller 22 and the second pressing roller 23 slide towards each other, the distance between the first pressing roller 22 and the second pressing roller 23 is shortened, the thickness of the teflon film 31 is reduced, and the operation is convenient.
Referring to fig. 2, the driving mechanism 24 includes a third slider 244, a first pulley 221 and a second pulley 2421, the first pulley 221 is coaxially welded and fixed to the first pressing roller 22, the second pulley 2421 is rotatably connected to the machine body 21, the third slider 244 is slidably connected to the machine body 21, a motor base 2441 is welded to the third slider 244, a driving motor 2442 is fixedly connected to the motor base 2441 through a bolt, and the third pulley 245 is coaxially welded to an output shaft of the driving motor 2442. The first pulley 221, the second pulley 2421 and the third pulley 245 are driven by the first belt 243. The second gear 242 is coaxially welded to the second pulley 2421, the first gear 241 is coaxially welded to the second pressure roller 23, and the first gear 241 is engaged with the second gear 242.
During rolling, an output shaft of the driving motor 2442 rotates to drive the third belt wheel 245 to rotate, the third belt wheel 245 drives the first belt wheel 221 and the second belt wheel 2421 to rotate synchronously through the first conveyor belt 243, the first belt wheel 221 drives the first pressing roller 22 to rotate synchronously, meanwhile, the second belt wheel 2421 drives the second gear 242 to rotate, the second gear 242 is meshed with the first gear 241 to drive the second pressing roller 23 to rotate, and at the moment, the rotating directions of the first pressing roller 22 and the second pressing roller 23 are opposite to each other, so that the polytetrafluoroethylene blank 13 is driven to be rolled into the polytetrafluoroethylene film 31.
Referring to fig. 2, in order to reduce the possibility of excessive deformation of the first belt 243, the driving mechanism 24 further includes a driving assembly 246, and the driving assembly 246 is used for driving the third slider 244 to slide towards the first slider 261. The driving assembly 246 includes a driving member 2463 and a first rack 2461, the first rack 2461 is slidably connected to the machine body 21, and an end of the first rack 2461 is welded to the third sliding block 244. The body 21 is rotatably connected with a third gear 2462, and the first rack 2461 is engaged with the third gear 2462. The driving member 2463 includes a fourth gear 2466, the fourth gear 2466 is rotatably connected to the machine body 21, and the fourth gear 2466 is engaged with the third rack 2465 to improve the sliding stability of the third rack 2465.
During operation, the output end of the first cylinder 2631 extends towards the second cylinder 2632, so as to drive the second rack 2464 to slide towards the second cylinder 2632, the second rack 2464 is engaged with the third gear 2462, the third gear 2462 is engaged with the first rack 2461, so as to drive the first rack 2461 to slide towards the direction away from the first slider 261, and the first rack 2461 drives the third slider 244 to slide towards the direction away from the first slider 261, so that the first conveyor belt 243 wound among the first belt pulley 221, the second belt pulley 2421 and the third belt pulley 245 is kept in a tightened and isometric state, the risk of excessive deformation of the first conveyor belt 243 is reduced, and the service life of the first conveyor belt 243 is prolonged.
Referring to fig. 4, the material receiving device 3 includes a second frame 32 and a material receiving roller 33, and the second frame 32 is welded and fixed to one side of the machine body 21 away from the first frame 11. The second frame 32 is sequentially connected with a first carrier roller 323, a second carrier roller 324 and a third carrier roller 325 in a rotating manner along the conveying direction of the polytetrafluoroethylene film 31, the first carrier roller 323, the second carrier roller 324 and the third carrier roller 325 are all arranged in parallel, and one end of the polytetrafluoroethylene film 31 far away from the first press roller 22 sequentially bypasses the first carrier roller 323, the second carrier roller 324 and the third carrier roller 325, and is arranged in a wave shape.
Referring to fig. 5 and 6, a bracket 326 is fixedly connected to one end of the second frame 32 away from the machine body 21, two ends of the bracket 326 in the length direction are provided with positioning bearings 3261, the material receiving roller 33 is arranged between the two positioning bearings 3261, and one end of the teflon film 31 away from the third carrier roller 325 is wound on the material receiving roller 33. In order to improve the connection fixing stability of the positioning bearing 3261 and the support 326, the support 326 is in threaded connection with a locking bolt 3262, one end, screwed into the support 326, of the locking bolt 3262 abuts against the side wall of the positioning bearing 3261, the possibility that the positioning bearing 3261 rotates along with the material receiving roller 33 is reduced, and the rotation stability of the material receiving roller 33 is improved.
Referring to fig. 7, in order to reduce the risk that the material receiving roller 33 falls off from the bracket 326, a locking end cover 321 is hinged to one end of the bracket 326 in the axial direction of the material receiving roller 33, one end of the material receiving roller 33 extending out of the positioning bearing 3261 extends into the locking end cover 321, a clamping piece 322 is installed on the bracket 326, and the clamping piece 322 is used for fixing the locking end cover 321. In this embodiment, the fastening member 322 includes a hook 3221 and a buckle 3222, the hook 3221 is welded and fixed to the locking end cap 321, the buckle 3222 is hinged to the bracket 326, and when the locking end cap 321 is attached to the bracket 326 toward one side of the bracket 326, the buckle 3222 is fastened to the hook 3221, so as to improve the connection stability between the locking end cap 321 and the bracket 326.
Referring to fig. 5, in order to facilitate automatic material collection of the material collecting roller 33, a material collecting motor 3263 is fixedly connected to the bracket 326 through a bolt, a fifth pulley 35 is coaxially welded to an output end of the material collecting motor 3263, a fourth pulley 34 is coaxially welded to one end of the material collecting roller 33, which extends out of the positioning bearing 3261, and transmission is achieved between the fourth pulley 34 and the fifth pulley 35 through a second conveyor belt 36.
During operation, receive material motor 3263's output and rotate, and then drive fifth band pulley 35 and rotate fifth band pulley 35 and drive fourth band pulley 34 through second conveyer belt 36 and rotate, and then drive receipts material roller 33 and rotate, receive material roller 33 and carry out the rolling to polytetrafluoroethylene film 31, improve polytetrafluoroethylene film 31's surface tension, reduce the risk that polytetrafluoroethylene film 31 takes place the fold.
The implementation principle of the polytetrafluoroethylene film calendering equipment in the embodiment of the application is as follows: when the polytetrafluoroethylene winding device works, an operator firstly winds the polytetrafluoroethylene blank 13 on the discharging roller 12, and one end, far away from the discharging roller 12, of the polytetrafluoroethylene blank 13 penetrates into a gap between the first pressing roller 22 and the second pressing roller 23. The driving motor 2442 is started, the output shaft of the driving motor 2442 rotates to drive the third belt wheel 245 to rotate, and the third belt wheel 245 drives the first belt wheel 221 and the second belt wheel 2421 to rotate synchronously through the first conveyor belt 243. The first belt wheel 221 drives the first pressing roller 22 to rotate synchronously, meanwhile, the second belt wheel 2421 drives the second gear 242 to rotate, the second gear 242 is meshed with the first gear 241 to further drive the second pressing roller 23 to rotate, at this time, the rotating directions of the first pressing roller 22 and the second pressing roller 23 are opposite, and then the polytetrafluoroethylene blank 13 is driven to be rolled into the polytetrafluoroethylene film 31.
Secondly, the magnetic powder brake 15 is started, and the output shaft of the magnetic powder brake 15 rotates to drive the discharging roller 12 to rotate, so that the polytetrafluoroethylene blank 13 is continuously input into the gap between the first pressing roller 22 and the second pressing roller 23. When the thickness gauge 251 detects that the thickness of the teflon film 31 is greater than a predetermined thickness value, the thickness gauge 251 converts the thickness signal into an electrical signal, and simultaneously drives the output end of the first cylinder 2631 and the output end of the second cylinder 2632 to extend in opposite directions, and the output end of the first cylinder 2631 drives the second rack 2464 to slide towards the second cylinder 2632, so as to drive the first slider 261 to slide towards the second cylinder 2632. Meanwhile, the output end of the second cylinder 2632 drives the third rack 2465 to slide towards the first cylinder 2631, and then drives the second slider 262 to slide towards the first cylinder 2631, so that the first pressing roller 22 and the second pressing roller 23 slide towards each other, the distance between the first pressing roller 22 and the second pressing roller 23 is shortened, the thickness of the teflon film 31 is reduced, and the operation is convenient.
Finally, the output end of the material receiving motor 3263 rotates to further drive the fifth belt pulley 35 to rotate, the fifth belt pulley 35 drives the fourth belt pulley 34 to rotate through the second conveyor belt 36, the material receiving roller 33 is further driven to rotate, the material receiving roller 33 winds the polytetrafluoroethylene film 31, the surface tension of the polytetrafluoroethylene film 31 is improved, and the risk that the polytetrafluoroethylene film 31 is wrinkled 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 (9)
1. A polytetrafluoroethylene film calendering equipment which characterized in that: comprises a discharging device (1) for releasing polytetrafluoroethylene blanks (13) and a receiving device (3) for rolling a polytetrafluoroethylene film (31), the feeding device (1) is connected with the receiving device (3) through a rolling device (2), the rolling device (2) comprises a machine body (21), a first pressing roller (22) and a second pressing roller (23) are arranged on the machine body (21), a driving mechanism (24) for driving the first compression roller (22) and the second compression roller (23) to rotate oppositely is arranged on the machine body (21), a thickness measuring piece (25) for measuring the thickness of the polytetrafluoroethylene film (31) is arranged on the machine body (21), the machine body (21) is provided with an adjusting mechanism (26) for driving the first pressing roller (22) and the second pressing roller (23) to move in opposite directions, and the thickness measuring part (25) is electrically connected with the adjusting mechanism (26).
2. A polytetrafluoroethylene film calendering apparatus according to claim 1, wherein: the adjusting mechanism (26) comprises a first sliding block (261) and a second sliding block (262), the first sliding block (261) and the second sliding block (262) are both connected with the machine body (21) in a sliding mode, the first pressing roller (22) is connected with the first sliding block (261) in a rotating mode, the second pressing roller (23) is connected with the second sliding block (262) in a rotating mode, and an adjusting piece (263) which drives the first sliding block (261) and the second sliding block (262) to slide oppositely is arranged on the machine body (21).
3. A polytetrafluoroethylene film calendering apparatus according to claim 2, wherein: the driving mechanism (24) comprises a first gear (241) and a second gear (242) meshed with the first gear (241), a first belt wheel (221) is fixedly connected to the first pressing roller (22), the first gear (241) is fixedly connected with the second pressing roller (23), the second gear (242) is rotatably connected with the second sliding block (262), a second belt wheel (2421) is fixedly connected to the second gear (242), and the first belt wheel (221) and the second belt wheel (2421) are in transmission through the first conveying belt (243).
4. A polytetrafluoroethylene film calendering apparatus according to claim 3, wherein: the driving mechanism (24) further comprises a third sliding block (244) and a third belt wheel (245), the third sliding block (244) is connected with the machine body (21) in a sliding mode, the third belt wheel (245) is connected with the third sliding block (244) in a rotating mode, the third belt wheel (245), the first belt wheel (221) and the second belt wheel (2421) achieve transmission through the same first transmission belt (243), and a driving assembly (246) used for driving the third sliding block (244) to slide is arranged on the machine body (21).
5. A polytetrafluoroethylene film calendering apparatus according to claim 4, wherein: the driving assembly (246) comprises a first rack (2461) fixedly connected with the third sliding block (244), a third gear (2462) is rotatably connected to the machine body (21), the third gear (2462) is meshed with the first rack (2461), and a driving piece (2463) for driving the third gear (2462) to rotate is arranged on the machine body (21).
6. A polytetrafluoroethylene film calendering apparatus according to claim 5, wherein: the driving part (2463) comprises a second rack (2464) and a third rack (2465), the end of the second rack (2464) is fixedly connected with the first sliding block (261), the second rack (2464) is meshed with a third gear (2462), the end of the third rack (2465) is fixedly connected with the second sliding block (262), a fourth gear (2466) which is meshed with the third rack (2465) is rotatably connected on the machine body (21), and the adjusting part (263) comprises a first air cylinder (2631) for driving the second rack (2464) to slide towards the third rack (2465) and a second air cylinder (2632) for driving the third rack (2465) to slide towards the second rack (2464).
7. A polytetrafluoroethylene film calendering apparatus according to claim 1, wherein: blowing device (1) includes first frame (11) and blowing roller (12), blowing roller (12) rotate with first frame (11) and are connected, polytetrafluoroethylene blank (13) twine on blowing roller (12), the one end that blowing roller (12) were kept away from in polytetrafluoroethylene blank (13) penetrates the clearance of first compression roller (22) and second compression roller (23), be equipped with on first frame (11) and be used for adjusting tensile tension controller (14) of polytetrafluoroethylene blank (13).
8. A polytetrafluoroethylene film calendering apparatus according to claim 1, wherein: the receiving device (3) comprises a second rack (32) and a receiving roller (33), the receiving roller (33) is rotatably connected with the second rack (32), a fourth belt wheel (34) is fixedly connected to the receiving roller (33), a fifth belt wheel (35) is rotatably connected to the second rack (32), and the fifth belt wheel (35) and the fourth belt wheel (34) are driven through a second conveying belt (36).
9. A polytetrafluoroethylene film calendering apparatus according to claim 8, wherein: articulated on second frame (32) have locking end cover (321), laminating of locking end cover (321) inside wall and receipts material roller (33) lateral wall, be equipped with joint spare (322) that are used for fixed locking end cover (321) on second frame (32).
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| CN202111168470.5A CN113878780B (en) | 2021-10-08 | 2021-10-08 | Polytetrafluoroethylene film calendering equipment |
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