CN114920054A - Reversing roller and color film chamber - Google Patents
Reversing roller and color film chamber Download PDFInfo
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- CN114920054A CN114920054A CN202210581928.8A CN202210581928A CN114920054A CN 114920054 A CN114920054 A CN 114920054A CN 202210581928 A CN202210581928 A CN 202210581928A CN 114920054 A CN114920054 A CN 114920054A
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- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 239000000110 cooling liquid Substances 0.000 description 6
- 229920002799 BoPET Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/14—Advancing webs by direct action on web of moving fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
The application relates to a reversing roller, comprising: the first roller is internally provided with a first cavity along the axis direction and is used for conveying gas; the second roller is coaxially fixed on the outer side of the first roller, and a second cavity is arranged between the second roller and the first roller and used for conveying temperature-regulating liquid; a plurality of air cylinders are uniformly fixed between the first roller and the second roller, and air injection channels penetrating through the first roller and the second roller are arranged in the air cylinders. This application has the effect that can reduce frictional force between switching-over roller and the membrane.
Description
Technical Field
The application relates to the field of film discharge and conveying, in particular to a reversing roller and a color film chamber.
Background
Various membrane room is covered to colored board line is in the vertical plane to the width direction with the membrane of carrying out in the oven when thermal compound PET membrane and aluminium foil membrane, is not convenient for carry out the rolling to the membrane and the fold appears because the reason of self gravity easily in the membrane, needs to use the switching-over roller to redirect the membrane this moment for the width direction of membrane is in the horizontal plane, makes the membrane carry and the rolling along the horizontal direction.
In the actual operation and use process, after 500 meters of film production is started, the phenomenon of rear film diagonal and poor impurity improvement is found, after analysis, the reason of the phenomenon is found to have two aspects, the reversing roller does not rotate, so that when a PET film or an aluminum foil film passes through the surface of the reversing roller, a large friction force is generated between the PET film or the aluminum foil film and the reversing roller due to the tension of the film, in addition, in a color film chamber, the reversing roller is generally close to the outlet of an oven, when the film passes through the reversing roller, the heat in the oven is transferred to the reversing roller, the surface of the reversing roller is accumulated with heat, the friction force is further increased when the film is in contact with the reversing roller, foreign matters are generated between a coating on the back of the film and the reversing roller due to the increase of friction, and the flattening effect of the film is poor due to the increase of the friction force, the phenomenon of the rear film twill is aggravated, and an inclined roller for reducing the friction force between the film and the inclined roller is urgently needed.
Disclosure of Invention
In order to solve the defects in the technical problem, the application provides the reversing roller and the color film chamber, and the friction force between the reversing roller and a film can be reduced.
In a first aspect, the present application provides a reversing roller, which adopts the following technical scheme:
a reversing roll comprising:
the first roller is internally provided with a first cavity along the axis direction and is used for conveying gas;
the second roller is coaxially fixed on the outer side of the first roller, and a second cavity is arranged between the second roller and the first roller and used for conveying temperature-regulating liquid;
a plurality of air cylinders are uniformly fixed between the first roller and the second roller, and air injection channels penetrating through the first roller and the second roller are arranged in the air cylinders.
By adopting the technical scheme, when in use, high-pressure gas can be filled in the first cavity of the first roller, and the second cavity is filled with temperature-adjusting liquid, the temperature of the temperature-adjusting liquid can be selected according to the use requirement, such as cooling liquid with the temperature lower than that of the second roller, therefore, in the film conveying process, the heat accumulated on the surface of the reversing roller can be directly taken away through the temperature-adjusting liquid, on the other hand, the film can float on the surface of the reversing roller in the conveying process due to the injection of the gas in the gas injection channel, thereby avoiding the friction generated by the direct contact of the film and the reversing roller, moreover, as the gas guide cylinders are all fixed between the first roller and the second roller, namely, the gas guide cylinders are positioned in the second cavity, the temperature-adjusting liquid introduced into the second cavity can also adjust the temperature of the gas in the first cavity and the gas guide cylinders, so that the gas injected from the gas injection channel of the reversing roller is also kept at the preset temperature, further reduces the accumulated temperature between the surface of the reversing roller and the film, ensures the transmission quality of the film and solves the problem of friction between the reversing roller and the film.
Optionally, the reversing roller further comprises a shaft head sleeve;
the shaft head cover includes:
the inner pipe is coaxially and rotatably connected to the end part of the first roller, and an air inlet channel is formed in the inner pipe;
the outer tube is fixed on the outer side of the outer tube and is coaxially and rotatably connected to the end part of the second roller, and a liquid inlet channel communicated with the second cavity is formed between the outer tube and the inner tube.
By adopting the technical scheme, the inner pipe and the outer pipe are respectively in rotating connection with the first roller and the second roller, so that the shaft head sleeve can be fixed when the first roller and the second roller synchronously rotate, and then the fixed shaft head sleeve is conveyed into a second cavity rotating along with the first roller and the second roller through the liquid inlet pipe and the liquid inlet channel through the liquid inlet channel; the air can be delivered into the first cavity rotating with the first roller and the second roller through the air inlet channel by the inner pipe.
Optionally, the liquid inlet channel is arranged away from the second cavity side in a closed manner, and a liquid inlet pipe communicated with the liquid inlet channel is fixed on the circumferential surface of the outer pipe.
Through adopting above-mentioned technical scheme, realize making the feed liquor pipe be located the global of outer tube, realize the separation with the feed liquor with the position of admitting air, be convenient for outside air supply equipment and outside being connected respectively of sending liquid equipment.
Optionally, the reversing roller further comprises:
the movable roller sleeves are coaxially arranged, the movable roller sleeves are mutually rotatably sleeved, the movable roller sleeves on the inner side are rotatably sleeved on the outer side of the second roller, air holes are formed in the positions, corresponding to the air passages, of the movable roller, and the air holes are mutually communicated to form air outlet passages;
and the locking component is arranged between the second roller and the plurality of movable roller sleeves and can limit the relative positions of the movable roller sleeves and the second roller.
By adopting the technical scheme, the plurality of movable roller sleeves are rotated through the plurality of rotatable movable roller sleeves, the gas outlet channel can be reduced from the inclined state to the closed state, in the process, when the gas outlet channel and the gas spraying channel are coaxial in the initial state, the gas sprayed out of the gas outlet channel directly acts on the surface of the outer membrane of the reversing roller, the air floatation effect of the membrane is strong, when the axial direction of each movable roller sleeve to the air outlet channel is the tangential direction of the second roller, the air sprayed out of the air outlet channel can be sprayed out along the tangential direction of the second roller, the film can be driven to float on the surface of the reversing roller, the film outside the roller can be conveniently conveyed, the gas outlet channel is gradually reduced along with the continuous rotation of the movable roller sleeve, so that the gas outlet quantity of the gas channel can be adjusted, the gas pressure of gas sprayed to the surface of the film from the gas channel is increased, and the thrust on the film on the outer side of the reversing roller is improved; when a plurality of rotatory movable roller covers seal to the gas off-take way, can avoid blowing off of gas, in addition, when rotating the switching-over roller and setting up in the frame, rotatory movable roller cover sets up to the gas off-take way slope, can also reach under the condition that need not other driving pieces, realizes the rotation of switching-over roller, to sum up, can satisfy various different use scene demands.
Optionally, the locking component includes:
the plurality of inserting shafts are respectively fixed at the end part of each movable roller sleeve and the end part of the cylinder body of the second roller;
the swing rod is provided with a long groove along the length direction, and a plurality of insertion shafts are inserted into the long groove;
the rotating sleeve coaxially rotates on a roller shaft of the second roller, and one end of the swinging rod is hinged to the rotating sleeve;
and the positioning assembly is arranged on the roll shaft of the second roller and used for limiting the rotation of the rotary sleeve.
By adopting the technical scheme, when the plurality of movable roller sleeves need to be rotated in one direction to enable the air outlet channel to be obliquely arranged, the rotary sleeve is directly rotated, one end of the oscillating rod is driven to synchronously oscillate along with the rotating sleeve through the rotating sleeve, at the moment, the whole oscillating rod is obliquely arranged through the matching of the inserting shaft at the end part of the second roller and the rotating sleeve, and the inserted shafts of the movable roller sleeves are matched with the long grooves of the swing rod to push the movable roller sleeves to swing along with the swing rod, the synchronous rotation makes the whole gas outlet channel in an inclined state, the rotating sleeve is continuously rotated, the swinging rod drives each movable roller sleeve to continuously rotate until the gas outlet channel is reduced to be closed, when the position of the rotary sleeve needs to be locked, the rotary sleeve can be positioned relative to the second roller through the positioning assembly, the locking of the current position of the rotary sleeve is completed, then the shaping of the gas outlet channel at the moment is realized, and the movable roller sleeve is prevented from moving.
Optionally, an insertion shaft is fixed on one side of the rotary sleeve;
the rotary sleeve positioning assembly comprises:
the sliding sleeve is movably connected to the roller shaft of the second roller shaft along the axial direction of the second roller, and one side of the sliding sleeve, which is close to the rotating sleeve, is provided with a plurality of slots by taking the rotating sleeve axis as the center for inserting the inserting columns;
the elastic piece is fixed on a roller shaft of the second roller and used for pushing the sliding sleeve to move towards the rotating sleeve direction to the inserting column to be inserted into the inserting groove.
Through adopting above-mentioned technical scheme, when rotatory cover soon, at first tend to keep away from to revolve set direction and drag the sliding sleeve, then rotatory cover soon, when rotatory cover to suitable position soon, and keep the inserted column to aim at the slot when, loosen the sliding sleeve, the elastic component will promote the sliding sleeve and tend to revolve the directional motion of cover, peg graft in the slot of sliding sleeve until revolving the inserted column of cover, can accomplish the fixed of the relative position of revolving cover and sliding sleeve this moment, realize revolving the cover and lock for the position of second roller.
Optionally, one end of the swing rod, which is far away from the rotary sleeve, extends out of the outer side movable roller sleeve.
By adopting the technical scheme, one end of the arranged swing rod extends out of the outer side of the movable roller sleeve, so that the swing rod has the function of a shaft stop, and the position of the film during transmission on the reversing shaft can be limited.
In a second aspect, the present application provides a color film chamber, which adopts the following technical scheme:
a color film chamber comprising the reversing roll of any one of claims 1-6.
By adopting the technical scheme, through the adopted reversing roller, when the film is subjected to reversing transmission in the color film chamber through the reversing roller, the film can float on the surface of the reversing roller in the transmission process due to the injection of gas in the gas injection channel, so that the friction generated by the direct contact of the film and the reversing roller is avoided, furthermore, the gas guide cylinders are fixed between the first roller and the second roller, namely in the second cavity, the temperature regulating liquid is introduced into the second cavity, and the temperature of the gas in the first cavity and the gas guide cylinders is regulated, so that the gas injected from the gas injection channel of the reversing roller is kept at the preset temperature, the accumulated temperature between the surface of the reversing roller and the film is further reduced, the transmission quality of the film is ensured, and the problem of friction force between the reversing roller and the film is solved.
Optionally, the color film chamber includes:
the support frame, the switching-over roller slope set up in the support frame, the axis of switching-over roller is 45 with horizontal plane contained angle.
By adopting the technical scheme, when the film is conveyed by the reversing roller, the film can be converted between horizontal conveying and vertical conveying by the reversing roller inclined by 45 degrees.
In summary, the present application includes at least one of the following beneficial technical effects:
when in use, high-pressure gas can be filled in the first cavity of the first roller, and the second cavity is filled with temperature-adjusting liquid, the temperature of the temperature-adjusting liquid can be selected according to the use requirement, for example, the temperature of the cooling liquid is lower than that of the second roller, thus, in the film conveying process, the heat accumulated on the surface of the reversing roller can be directly taken away through the temperature-adjusting liquid, on the other hand, the film can float on the surface of the reversing roller in the conveying process due to the spraying of the gas in the gas injection channel, so that the friction between the film and the reversing roller caused by the direct contact of the film is avoided, furthermore, as the gas guide cylinders are all fixed between the first roller and the second roller, namely, the temperature-adjusting liquid is introduced into the second cavity, the gas in the first cavity and the gas guide cylinders is also adjusted, the gas injected from the gas injection channel of the reversing roller is also kept at the preset temperature, and the accumulated temperature between the surface of the reversing roller and the film is further reduced, the conveying quality of the film is ensured, and the problem of friction force between the reversing roller and the film is solved.
The inner pipe and the outer pipe are respectively in rotating connection with the first roller and the second roller, so that the shaft head sleeve can be fixed when the first roller and the second roller synchronously rotate, and then the fixed shaft head sleeve is conveyed into a second cavity rotating along with the first roller and the second roller through the liquid inlet pipe and the liquid inlet channel; the air can be delivered into the first cavity rotating with the first roller and the second roller through the air inlet channel by the inner pipe.
The air channels can be reduced from the inclined state to the contracted state and then closed by rotating the plurality of movable roller sleeves, and in the process, when the air channels and the air injection channels are coaxial in the initial state, the air sprayed out of the air channels directly acts on the surface of the membrane outside the reversing roller, so that the air floatation effect of the membrane is strong, when the axial direction of each movable roller sleeve sequentially rotates to the air channels is the tangential direction of the second roller, the air sprayed out of the air channels can be sprayed out along the tangential direction of the second roller, the membrane can float on the surface of the reversing roller and can be driven to be conveniently conveyed outside the roller, the air channels can be gradually reduced along with the continuous rotation of the movable roller sleeves, the air outlet quantity of the air channels can be adjusted, the air pressure of the air sprayed to the surface of the membrane by the air channels is increased, and the thrust to the membrane outside the reversing roller is improved; when a plurality of rotatory movable roller covers seal to the gas off-take way, can avoid blowing off of gas, in addition, when rotating the switching-over roller and setting up in the frame, rotatory movable roller cover sets up to the gas off-take way slope, can also reach under the condition that need not other driving pieces, realizes the rotation of switching-over roller, to sum up, can satisfy various different use scene demands.
Drawings
FIG. 1 is a schematic cross-sectional view of the construction of a reversing roll in one embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a reversing roll in an embodiment of the present application;
FIG. 3 is an enlarged schematic view of section A of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a reversing roll in another embodiment of the present application;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a movable roller shell configuration in another embodiment of the present application;
FIG. 7 is an enlarged schematic view of section C of FIG. 6;
FIG. 8 is a schematic view of the construction of a sway bar in another embodiment of the subject application;
fig. 9 is a schematic structural diagram of a support frame in another embodiment of the present application.
Description of reference numerals: 1. a first roller; 11. a first cavity; 2. a second roller; 21. a second cavity; 3. an air guide cylinder; 31. an air jet channel; 4. a shaft head sleeve; 41. an inner tube; 411. an air inlet channel; 42. an outer tube; 421. a liquid inlet passage; 422. a liquid inlet pipe; 5. a movable roll sleeve; 51. air holes; 52. an air outlet channel; 6. a locking member; 61. inserting a shaft; 62. a swing lever; 621. a long groove; 63. screwing a sleeve; 631. inserting a column; 7. a positioning assembly; 71. a sliding sleeve; 711. a slot; 72. an elastic member; 8. a support frame.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
The embodiment of the application discloses a reversing roller. Mainly used solves when the membrane conveys on the switching-over roller, and membrane and switching-over roller surface contact, the frictional force and the heat that produce are gathered, influence the problem of membrane quality, mainly adopt following scheme:
referring to fig. 1, a reversing roll includes a first roll 1 and a second roll 2.
Referring to fig. 1 and 2, the first roll 1 includes a cylindrical roll and roll shafts coaxially fixed to both ends of the roll. First cavity 11 has been seted up along its axis direction in the barrel of first roller 1, and the both ends of first cavity 11 all extend to the roller axle head portion at first roller 1 both ends, and first cavity 11 is used for realizing gaseous filling, can aerify in the roller axle both ends of first roller 1 to first cavity 11.
Referring to fig. 1 and 2, the second roller 2 also includes a cylindrical roller and roller shafts coaxially fixed at both ends of the second roller 2; the whole coaxial cup joint in the outside of first roller 1 of second roller 2, and the barrel part of second roller 2 cup joints in the barrel part outside of first roller 1 promptly, and the roller part of second roller 2 cup joints in the roller part of first roller 1. A second cavity 21 is formed between the second roller 2 and the first roller 1, two ends of the second cavity 21 extend to two ends of a roller shaft of the second roller 2, the second cavity 21 is used for inputting temperature adjusting liquid, namely the temperature adjusting liquid can be input or output into the second cavity 21 through the position between the second roller 2 and the end of the first roller 1, wherein the temperature of the temperature adjusting liquid can be selected according to the use requirement, if cooling liquid is selected when temperature is required to be reduced, otherwise, high-temperature liquid is selected.
Referring to fig. 2 and 3, a plurality of cylindrical gas cylinders 3 are uniformly and densely arranged in the second cavity 21 in the cylinder area corresponding to the first roller 1 and the second roller 2, the axis of each gas cylinder 3 is arranged along the radial direction of the first roller 1, two ends of each gas cylinder 3 are respectively fixed on the outer circumferential surface of the first roller 1 and the inner circumferential surface of the second roller 2, gas injection channels 31 are formed in the gas cylinders 3 along the axis direction, one ends of the gas injection channels 31 extend to penetrate through the cylinder wall of the first roller 1 and are communicated with the first cavity 11, and the other ends of the gas injection channels 31 extend to penetrate through the cylinder wall of the second roller 2, so that on one hand, the coaxial fixation of the first roller 1 and the second roller 2 is realized through the gas cylinders 3, and on the other hand, gas filled in the first cavity 11 can be ejected to the outer side of the second roller 2 through the gas injection channels 31.
By adopting the scheme of the embodiment, when the reversing roller is used for working, high-pressure gas is filled in the first cavity 11 of the first roller 1, and cooling liquid is filled in the second cavity 21, so that heat accumulated on the surface of the reversing roller can be directly taken away by the cooling liquid in the film conveying process, on the other hand, the film can float on the surface of the reversing roller in the conveying process due to the injection of the high-pressure gas in the gas injection channel 31, so that the film is prevented from being in direct contact with the reversing roller to generate friction, moreover, because the gas guide cylinders 3 are fixed between the first roller 1 and the second roller 2, namely in the second cavity 21, the cooling liquid introduced in the second cavity 21 can also regulate the temperature of the gas in the first cavity 11 and the gas guide cylinders 3, the gas injected from the gas injection channel 31 of the reversing roller is also kept at the preset temperature, and the accumulated temperature between the surface of the reversing roller and the film is further reduced, the conveying quality of the film is ensured, and the problem of friction force between the reversing roller and the film is solved.
In the embodiment of the present invention, in order to further improve the convenience of conveying the temperature adjusting liquid and the gas when the reversing roller needs to rotate, the present application may further include a shaft sleeve 4.
Referring to fig. 4, the shaft sleeves 4 are rotatably arranged at two ends of the roll shafts of the first roll 1 and the second roll 2.
Referring to fig. 5, in particular, the shaft sleeve 4 includes an inner tube 41 and an outer tube 42, the inner tube 41 is coaxially disposed with the first roller 1, an air inlet duct 411 is formed inside the inner tube 41 along an axial direction thereof, one end of the inner tube 41 is rotatably connected to a roller shaft of the first roller 1 in a sealing manner to communicate the air inlet duct 411 with the first cavity 11, and the other end of the inner tube 41 is open and configured to be introduced into an external air delivery device such as an air pump to fill high-pressure air into the air inlet duct 411.
Referring to fig. 5, the outer tube 42 is coaxially sleeved outside the first inner tube 41, a liquid inlet passage 421 is formed between the outer tube 42 and the inner tube 41, one end of the outer tube 42 is coaxially and hermetically connected to the roller shaft of the second roller 2 in a rotating manner, so that the liquid inlet passage 421 is communicated with the second cavity 21, one end of the outer tube 42, which is far away from the second cavity 21 and corresponds to the liquid inlet passage 421, is hermetically arranged, a liquid inlet tube 422 is fixed on the circumferential surface of the outer tube 42, the axis of the liquid inlet tube 422 can be arranged on the axis perpendicular to the outer tube 42, and the liquid inlet tube 422 is communicated with the liquid inlet passage 421 for guiding in the temperature-adjusting liquid.
By adopting the scheme of the embodiment, the inner pipe 41 and the outer pipe 42 are respectively in rotating connection with the first roller 1 and the second roller 2, so that when the first roller 1 and the second roller 2 synchronously rotate, the shaft head sleeve 4 can be fixed, and further, the fixed shaft head sleeve 4 is conveyed into the second cavity 21 rotating along with the first roller 1 and the second roller 2 through the liquid inlet pipe 422 and the liquid inlet channel 421 through the liquid inlet channel 421; the air can be sent into the first cavity 11 rotating with the first roller 1 and the second roller 2 through the air inlet 411 by the inner pipe 41; in addition, since the liquid inlet pipe 422 is located on the circumferential surface of the outer pipe 42, that is, the temperature-adjusting liquid is fed from one side of the circumferential surface of the outer pipe 42, and the high-pressure gas is fed into the air inlet duct 411 from one end of the inner pipe 41 in the axial direction, the separation of the fed liquid from the air inlet position is realized, and the external air supply device and the external liquid supply device are conveniently connected respectively.
In the embodiment of the present invention, in order to improve the application field of the reversing roller and meet more use scenarios, the present application may further provide the following in another embodiment:
referring to fig. 6 and 7, a plurality of movable roller sleeves 5 are arranged on the outer peripheral surface of the second roller 2, the diameters of the plurality of movable roller sleeves 5 are sequentially increased, the plurality of movable roller sleeves 5 are coaxially sleeved and rotatably connected with each other, the inner movable roller sleeve 5 is coaxially sleeved on the outer peripheral surface of the second roller 2, and the inner movable roller sleeve 5 is rotatably connected with the second roller 2. Air holes 51 are formed in the positions, corresponding to the air injection channels 31, of the movable roller sleeves 5, and the air holes 51 corresponding to the plurality of movable roller sleeves 5 are communicated with one another to form air outlet channels 52.
Referring to fig. 6 and 7, in operation, the movable roller sleeves 5 are rotated respectively, so that the air outlet channel 52 is converted from a state coaxial with the air outlet channel 31 into a state in which the axis of the air outlet channel 52 is inclined to the air outlet channel 31, and then the air outlet channel 52 is reduced and finally closed, specifically including the following states:
firstly, in the initial state, when the air outlet channel 52 is coaxial with the air jet channel 31, the air ejected from the air outlet channel 52 directly acts on the surface of the outer membrane of the reversing roller, and the air flotation effect of the membrane is strong;
secondly, when the axial direction of each movable roller sleeve 5 is sequentially rotated to the air outlet channel 52 and is the tangential direction of the second roller 2, the air sprayed out from the air outlet channel 52 can be sprayed out along the tangential direction of the second roller 2, and the film can float on the surface of the reversing roller and simultaneously can be given a driving force to the film, so that the film outside the roller can be conveniently conveyed;
thirdly, the gas outlet channel 52 is gradually reduced along with the continuous rotation of the movable roller sleeve 5, the gas outlet quantity of the gas channel can be adjusted, the gas pressure of the gas sprayed to the surface of the film from the gas channel is increased, and the thrust to the film outside the reversing roller is improved;
fourthly, when the plurality of movable roller sleeves 5 are rotated until the air outlet channel 52 is closed, the blowing-out of the air can be avoided,
in addition, when the reversing roller is arranged on the rack in a rotating mode, the rotating movable roller sleeve 5 is obliquely arranged to the air outlet channel 52, namely, in the second state, the self-rotation of the reversing roller can be achieved without other driving pieces, and in conclusion, various different use scene requirements are met.
In order to lock the relative position of the movable roller sleeve 5 and the second roller tube 2, a locking component 6 may be further provided in the embodiment, and the locking component 6 is further described in detail below:
referring to fig. 6 and 7, the locking member 6 includes a setting insertion shaft 61, a swing lever 62, and a turn sleeve 63.
Referring to fig. 6, specifically, a plurality of insertion shafts 61 are provided, the plurality of insertion shafts 61 are fixed to the end portion of each movable roller shell 5 and the end portion of the second roller 2, and the axial direction of each insertion shaft 61 is parallel to the axial direction of the second roller 2.
Referring to fig. 7 and 8, the swing lever 62 is located at the end portions of the second roller tube 2 and the movable roller sleeve 5, the axial direction of the swing lever 62 is perpendicular to the axial direction of the second roller tube 2, the swing lever 62 is provided with a long groove 621 along the length direction thereof, and the plurality of insertion shafts 61 at the same end of the reversing roller as the swing lever 62 are inserted into the long groove 621.
Referring to fig. 6 and 7, the swivel sleeve 63 is coaxially and rotatably connected to the roller shaft of the second roller 2, and one end of the swing lever 62 is rotatably connected to the swivel sleeve 63 through a pin.
Referring to fig. 6 and 7, when the air outlet channel 52 needs to be obliquely arranged, the rotating sleeve 63 is directly rotated, one end of the swinging rod 62 is driven to swing synchronously with the rotating sleeve 63 through the rotating sleeve 63, at this time, the inserting shaft 61 at the end of the second roller 2 is matched with the rotating sleeve 63, so that the swinging rod 62 is integrally obliquely arranged, the inserting shafts 61 of the movable roller sleeves 5 are matched with the long grooves 621 of the swinging rod 62, so as to push the movable roller sleeves 5 to synchronously rotate along with the swinging of the swinging rod 62, so that the air outlet channel 52 is integrally in an oblique state, and the rotating sleeve 63 is continuously rotated, so that the swinging rod 62 drives the movable roller sleeves 5 to continuously rotate until the air outlet channel 52 is reduced to be closed.
Referring to fig. 6 and 7, the swing lever 62 may be extended such that an end of the swing lever 62 away from the rotating sleeve 63 extends outside the outer movable roller sleeve 5. In this way, the swing lever 62 can be made to function as a stopper, and the position of the film when it is conveyed on the reversing shaft can be limited.
In order to fix the relative position of the rotating back rotating sleeve 63 and the second roller 2, the locking part 6 is further provided with a positioning assembly 7 for positioning the rotating sleeve 63, and the positioning assembly 7 is further described in detail below:
referring to fig. 6 and 7, the positioning assembly 7 includes a sliding sleeve 71 and an elastic member 72.
Referring to fig. 7, specifically, the sliding sleeve 71 slides on the roller shaft of the second roller 2 along the axial direction of the second roller 2, and the sliding sleeve 71 is located on one side of the rotating sleeve 63 away from the swing rod 62, one side of the sliding sleeve 71 close to the rotating sleeve 63 uniformly opens a plurality of slots 711 around the axial line of the rotating sleeve 63, one side of the rotating sleeve 63 close to the sliding sleeve 71 is fixed with the inserting column 631, and along with the movement of the sliding sleeve 71 towards the rotating sleeve 63, the inserting column 631 can be inserted into any slot 711 of the sliding sleeve 71, so as to implement: the air outlet channel 52 is coaxially arranged with the air outlet channel 31, the air outlet channel 52 is obliquely arranged with the air outlet channel 31, the air outlet of the air outlet channel 52 is reduced, and the position of the rotary sleeve 63 relative to the second roller 2 is fixed when the air is exhausted to be closed.
Referring to fig. 7, the elastic member 72 is also fixed to the roller shaft of the second roller 2 and located on the side of the sliding sleeve 71 away from the rotating sleeve 63, and the elastic member 72 can provide a pushing force to the sliding sleeve 71 toward the rotating sleeve 63 to keep the insertion groove 711 inserted into the insertion post 631. More specifically, the elastic member 72 may be a push spring, i.e., one end of the push spring is fixed to the roller shaft of the second roller 2, and the other end of the push spring is fixed to the sliding sleeve 71.
The implementation principle of the embodiment of the application is as follows: when the rotating sleeve 63 needs to be rotated, firstly, the sliding sleeve 71 is dragged in a direction away from the rotating sleeve 63, then the rotating sleeve 63 is rotated, one end of the swinging rod 62 is driven to swing synchronously with the rotating sleeve 63 through the rotating sleeve 63, at the moment, the inserting shaft 61 at the end part of the second roller 2 is matched with the rotating sleeve 63, so that the swinging rod 62 is integrally arranged in an inclined manner, the inserting shafts 61 of the movable roller sleeves 5 are matched with the long grooves 621 of the swinging rod 62, so that the movable roller sleeves 5 are pushed to synchronously rotate along with the swinging of the swinging rod 62, the air outlet channel 52 is converted into a state that the axis of the air outlet channel 52 is inclined to the air outlet channel 31 from a state that the air outlet channel 52 is coaxial with the air outlet channel 31, then the air outlet channel 52 is reduced and finally closed, when the rotating sleeve 63 is rotated to a proper position and the inserting column 631 is kept aligned with the inserting groove 711, the sliding sleeve 71 is loosened, the elastic piece 72 pushes the sliding sleeve 71 to move in a direction towards the rotating sleeve 63 until the inserting column 631 of the rotating sleeve 63 is inserted in the inserting groove 711 of the sliding sleeve 71, at this time, the relative position of the rotating sleeve 63 and the sliding sleeve 71 can be fixed, and the position of the rotating sleeve 63 relative to the second roller 2 can be locked.
The embodiment of the application also discloses a film chamber applying the reversing roller in the implementation, and the following detailed description is given:
referring to fig. 9, a membrane chamber includes a reversing device, which is mainly disposed between a discharge port of an oven and a horizontal conveying member.
Referring to fig. 9, specifically, the reversing device includes a support frame 8 and a reversing roller, the reversing roller in the above embodiment is adopted, the reversing roller is obliquely arranged on the support frame 8 in a form of forming an included angle of 45 degrees with the horizontal plane, and specifically, the reversing roller and the support frame 8 can be arranged in a fixed connection or a rotary connection. So set up, after the membrane conveys out from the oven, can follow the switching-over roller transport switching-over of slope setting to convert the membrane by vertical setting into horizontal setting.
The implementation principle of the embodiment of the application is as follows: through the adopted reversing roller, when the film is subjected to reversing transmission in the film chamber through the reversing roller, the film can float on the surface of the reversing roller in the transmission process due to the injection of gas in the gas injection channel 31, so that the friction generated by the direct contact of the film and the reversing roller is avoided, and moreover, because the gas guide cylinders 3 are fixed between the first roller 1 and the second roller 2, namely in the second cavity 21, the temperature-adjusting liquid introduced into the second cavity 21 can also adjust the temperature of the gas in the first cavity 11 and the gas guide cylinders 3, so that the gas injected from the gas injection channel 31 of the reversing roller is kept at a preset temperature, the accumulated temperature between the surface of the reversing roller and the film is further reduced, the transmission quality of the film is ensured, and the problem of the friction force between the reversing roller and the film is solved.
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 reversing roll, comprising:
the first roller (1) is internally provided with a first cavity (11) along the axial direction thereof and is used for conveying gas;
the second roller (2) is coaxially fixed on the outer side of the first roller (1), and a second cavity (21) is arranged between the second roller (2) and the first roller (1) and used for conveying temperature-regulating liquid;
a plurality of air cylinders (3) are evenly fixed between the first roller (1) and the second roller (2), and air injection channels (31) which penetrate through the first roller (1) and the second roller (2) are arranged in the air cylinders (3).
2. The reversing roller of claim 1, wherein: the shaft sleeve (4) is also included;
the shaft head cover (4) includes:
the inner pipe (41) is coaxially and rotatably connected to the end part of the first roller (1), and an air inlet channel (411) is formed in the inner pipe (41);
the outer tube (42) is fixed on the outer side of the outer tube (42) and is coaxially and rotatably connected to the end part of the second roller (2), and a liquid inlet channel (421) communicated with the second cavity (21) is formed between the outer tube (42) and the inner tube (41).
3. The reversing roller of claim 2, wherein: the liquid inlet channel (421) is far away from the side of the second cavity (21) and is arranged in a closed mode, and a liquid inlet pipe (422) communicated with the liquid inlet channel (421) is fixed on the circumferential surface of the outer pipe (42).
4. The reversing roller of claim 1, further comprising:
the movable roller sleeves (5) are coaxially arranged, the movable roller sleeves (5) are rotatably sleeved with each other, the movable roller sleeves (5) on the inner side are rotatably sleeved on the outer side of the second roller (2), air holes (51) are formed in the positions, corresponding to the air passages, of the movable roller, and the air holes (51) are communicated with each other to form air outlet passages (52);
and the locking component (6) is arranged between the second roller (2) and the plurality of movable roller sleeves (5) and can limit the relative positions of the movable roller sleeves (5) and the second roller (2).
5. The reversing roller of claim 4, wherein: the locking member (6) includes:
a plurality of inserting shafts (61) which are respectively fixed at the end part of each movable roller sleeve (5) and the end part of the cylinder body of the second roller (2);
the swing rod (62) is provided with a long groove (621) along the length direction, and the plurality of inserting shafts (61) are inserted into the long groove (621);
the rotary sleeve (63) coaxially rotates on a roller shaft of the second roller (2), and one end of the swinging rod (62) is hinged to the rotary sleeve (63);
and the positioning component (7) is arranged on a roller shaft of the second roller (2) and is used for limiting the rotation of the rotary sleeve (63).
6. The reversing roller of claim 5, wherein: an inserting shaft (61) is fixed on one side of the rotary sleeve (63);
the turnbuckle (63) positioning assembly (7) comprises:
the sliding sleeve (71) is movably connected to a roller shaft of the second roller (2) shaft along the axial direction of the second roller (2), and a plurality of slots (711) are formed in one side, close to the rotating sleeve (63), of the sliding sleeve (71) by taking the axial line of the rotating sleeve (63) as the center for inserting the inserting columns (631);
the elastic piece (72) is fixed on a roller shaft of the second roller (2) and used for pushing the sliding sleeve (71) to move towards the direction of the rotary sleeve (63) until the inserting column (631) is inserted into the inserting groove (711).
7. The reversing roller of claim 5, wherein: one end of the swing rod (62) far away from the rotary sleeve (63) extends out of the outer side of the outer movable roller sleeve (5).
8. A color film chamber comprising the reversing roll of any one of claims 1-6.
9. The color film chamber as claimed in claim 8, comprising:
support frame (8), the switching-over roller slope set up in support frame (8), the axis and the horizontal plane contained angle of switching-over roller are 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210581928.8A CN114920054A (en) | 2022-05-26 | 2022-05-26 | Reversing roller and color film chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210581928.8A CN114920054A (en) | 2022-05-26 | 2022-05-26 | Reversing roller and color film chamber |
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| Publication Number | Publication Date |
|---|---|
| CN114920054A true CN114920054A (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210581928.8A Pending CN114920054A (en) | 2022-05-26 | 2022-05-26 | Reversing roller and color film chamber |
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| CN (1) | CN114920054A (en) |
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