CN118125175A - Film raw material unreeling device capable of controlling traction tension - Google Patents
Film raw material unreeling device capable of controlling traction tension Download PDFInfo
- Publication number
- CN118125175A CN118125175A CN202410545405.7A CN202410545405A CN118125175A CN 118125175 A CN118125175 A CN 118125175A CN 202410545405 A CN202410545405 A CN 202410545405A CN 118125175 A CN118125175 A CN 118125175A
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- Prior art keywords
- auxiliary
- groove
- unreeling
- tension
- bearing
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- 239000002994 raw material Substances 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000007789 sealing Methods 0.000 claims description 48
- 238000004804 winding Methods 0.000 claims description 29
- 230000001276 controlling effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 34
- 230000008569 process Effects 0.000 description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
- B65H16/103—Arrangements for effecting positive rotation of web roll in which power is applied to web-roll spindle
-
- 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
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
Landscapes
- Winding Of Webs (AREA)
Abstract
The invention relates to the technical field of film unreeling, in particular to a film raw material unreeling device with controllable traction tension, which is used for unreeling a material roll, wherein a reel is arranged on the inner ring of the material roll, the unreeling device comprises a bearing device, a driving device, a clamping device and a bearing platform, the bearing device is connected with the driving device, the clamping device is used for clamping the reel, the driving device is used for adjusting the unreeling tension of the material roll, the bearing platform is used for carrying out material roll change, the material roll is sleeved on the reel, unreeling is carried out through the unreeling device, the bearing device is used as a main installation foundation for installing other devices, the driving device is used as a main power source for providing unreeling power, the clamping device is used for carrying out self-adaptive clamping on the unreeled film materials with different specifications, and the driving device can apply additional acting force on the unreeled film materials, so that the tension is compensated, and the film conveying tension is controllable and stable.
Description
Technical Field
The invention relates to the technical field of film unreeling, in particular to a film raw material unreeling device capable of controlling traction tension.
Background
In the processing engineering of the film material, the tension is an important influencing factor for ensuring the processing quality of the film material, and then, the friction force is large and is easy to adhere together in the unreeling process due to the fact that the film material is used for being thinner and larger in contact area, so that the traction tension of the front winding is caused to fluctuate.
At present, most unreeling devices can only be suitable for unreeling film materials with a single specification, and when unreeling film materials with different specifications, the required length and the tensioning radius of clamping are different due to the differences of the sizes and the specifications. Therefore, for radial and axial clamping, a plurality of power sources are required to be provided, so that clamping can be performed, and independent driving cannot be performed. Conventional pneumatic clamping framework, though can satisfy axial extension, supports the reel of material book through gas in radial clamping process, can lead to unreeling in-process, and the material book produces the shake to the tension of unreeling causes the influence, can't guarantee the stability of traction tension.
In addition, in the front traction process of the power mechanism, due to a long conveying path, many factors can influence the unreeling tension, so that tension fluctuation of the unreeling end cannot be compensated.
Disclosure of Invention
The invention aims to provide a film raw material unreeling device capable of controlling traction tension so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: a film raw material unreeling device capable of controlling traction tension.
The utility model provides a controllable tensile membrane raw materials unreels device, unreels the device and is used for unreeling the material, and the material is rolled up the inner circle and is equipped with the reel, and the unreels the device and includes carrier, drive arrangement, clamping device and cushion cap, and carrier and drive arrangement are connected, and clamping device and carrier are connected, and clamping device is used for carrying out the centre gripping to the reel, and drive arrangement is used for adjusting the material to unreel tension, and the cushion cap is used for carrying out the material and rolls up the change of reel.
The material is rolled up the cover and is established on the reel, unreels through unreeling device, and bearing device is as main installation basis for install other each device, drive arrangement is as main power supply, is used for providing unreeling power, carries out self-adaptation centre gripping when clamping device is used for unreeling the material of different specifications, and drive arrangement can apply extra effort to the film material of unreeling to compensate tension, make the film material carry tension controllable, remain stable.
Further, the bearing device comprises a carrier, the bearing platform is arranged in the middle of the carrier, the driving device comprises a driving motor, two driving cavities are arranged on the carrier and are arranged in opposite directions, the driving motor is arranged in the driving cavities, and a rotary groove is formed in the inner side of each driving cavity;
The clamping device comprises two main shafts, the two main shafts are respectively and rotatably connected with the rotary groove, the driving motor is fixedly connected with the main shafts, a middle bearing groove is formed in the main shafts, an air expansion component is arranged in the middle bearing groove and comprises a sealing disc, auxiliary joint rods and lower joint rods, the sealing disc is slidably connected with the middle bearing groove, the auxiliary joint rods are provided with three groups, the three groups of auxiliary joint rods are sequentially arranged on two sides and above the middle part of the sealing disc, the lower joint rods are positioned below the sealing disc, a guide rod is outwards arranged at one end of the main shaft in an extending mode, one end of the guide rod penetrates through the sealing disc, the sealing disc is slidably connected with the guide rod, four guide grooves are formed at the tail end of the guide rod, the auxiliary joint rods and the lower joint rods close to one side of the guide rod are in an arc-shaped mode, a plurality of auxiliary joint rods of the same group are connected in series to form auxiliary support chains, the lower support chains are connected in series to form the lower support chains, the lower support chains and the three auxiliary support chains are vertically arranged in pairs, and the lower support chains face the inner ring wall surface of the winding drum.
The lower extreme at carrier middle part sets up the cushion cap, after the material roll on the reel is unreeled, carry out automatic change of roll to the material roll through the plummer, provide and trade a roll efficiency, install driving motor respectively through setting up two driving chambers, driving motor is used for exporting torque, drive two main shafts and rotate the in-process, carry out synchronous drive to the reel through the bloated subassembly of tip, guarantee the stability of unreeling the process, the sealing disk circumference can adopt the rubber material to support, neither influence the slip, still have good leakproofness, after the cushion cap moves the reel of material roll to the position of equiheight, through the well in-groove air feed to the main shaft, make the gas get into in-groove, and promote sealing disk centering removal, the sealing disk centering removal in-process of both sides inserts in the reel gradually, accomplish axial displacement's location, the in-process of advancing, drive three auxiliary support chain and a lower support chain are moved towards reel inner circle wall face, thereby carry out four-point location, auxiliary support chain and lower support chain are chain structure, it is articulated in proper order, when moving to the inside wall face to the reel, the initial position of support is ten-phase-section, the radial support position is in the radial support position of roll, the roll is formed in the radial support position of roll, the roll is in the radial tension of roll is caused to the change, the roll is avoided in the roll, the radial change is caused to the roll in the process is carried out in the roll.
Further, the clamping device further comprises an air supply pipe and a guide ring, a limit groove is formed in one end, close to the driving motor, of the main shaft, the limit groove is communicated with the middle bearing groove, the guide ring is sleeved in the limit groove, an annular groove is formed in the inner ring of the guide ring, and the air supply pipe is communicated with the annular groove.
One end of the air supply pipe is connected with an air source, air is supplied to the limiting groove through an annular groove in the guide ring, air in the limiting groove can enter the middle bearing groove, the air expansion assembly can move axially and radially, the winding drum can be automatically clamped conveniently, one side of the guide ring can be fixedly connected with the wall surface of the driving cavity for guaranteeing air supply stability, the guide ring is supplied with air through the annular groove inside in the air supply process, the fixed end is supplied with air from the fixed end to the rotating end, and the air expansion assembly can move in multiple directions through the supplied single air source.
Further, two ends of the auxiliary section bar are respectively provided with an auxiliary sliding groove and an auxiliary inserting opening, two ends of the lower section bar are respectively provided with a lower sliding groove and a lower inserting opening, the auxiliary sliding grooves and the lower sliding grooves are respectively internally provided with a fork, the fork is respectively in sliding connection with the adjacent auxiliary sliding grooves and lower sliding grooves, the auxiliary section bar is provided with an auxiliary air passage, the auxiliary air passage is communicated with the tail end of the auxiliary sliding groove, the lower section bar is provided with a lower air passage, the connected auxiliary air passage is respectively communicated with the lower air passage through an air-entraining pipe, the auxiliary air passage is communicated with the bottom of the adjacent auxiliary sliding groove, the lower air passage is communicated with the bottom of the adjacent lower sliding groove, the auxiliary air passage and the lower air passage close to the sealing disc are respectively communicated with one side of the middle bell groove close to the limiting groove, and the auxiliary inserting opening and the lower inserting opening are obliquely arranged;
when self-locking: the crotch is respectively inserted into the auxiliary socket and the lower socket at the front end.
In the initial state, all auxiliary joint rods and lower joint rods are in a horizontal arrangement state, are positioned in a middle bearing groove and are in sliding connection with the middle bearing groove, after an air supply pipe supplies air to the middle bearing groove through a guide ring, the air pressure of a sealing disc close to an air supply end is continuously increased to push two sealing discs to move in opposite directions, in the moving process of the sealing discs, three auxiliary support chains and lower support chains which are circumferentially arranged are driven to move and gradually push out of the middle bearing groove, when the auxiliary joint rods and the lower joint rods at the front end move to be in contact with the guide grooves of a guide rod, the end parts of the auxiliary joint rods and the lower joint rods are in arc arrangement and are reversed along the guide grooves, so that an included angle of ninety degrees is formed between the auxiliary joint rods and the guide grooves in the initial state, the bottom parts are in butt joint with the guide rods, the vertical parts are gradually prolonged through a link structure, and the inner ring wall surfaces of a winding drum are in butt joint, through sealing disk synchronous drive for the length of four direction vertical positions is the same, carries out even centre gripping, is in the state of cut-off between auxiliary air flue, lower air flue and the well holds the groove at the in-process that vertical position extends, through the switch control that junction set up, under the initial condition, the main shaft does not rotate, after auxiliary joint pole and the lower joint pole of vertical position all remove the butt to the reel inner wall, the switch on the control sealing disk is opened, in the gas passes through well holds the groove and gets into auxiliary air flue and lower air flue respectively, and promote the knot fork slip in auxiliary chute and the lower spout, and insert in the adjacent front end auxiliary socket or the lower socket, carry out the auto-lock to auxiliary support chain and the lower support chain of vertical position, at every turn when changing the reel, make the lower joint pole be in the lower extreme all the time, be convenient for carry out follow-up centre gripping.
Further, the bearing device further comprises a supporting seat, the supporting seat is arranged at the front end of the carrier, the supporting seat is provided with an adjusting groove, the driving device comprises a balance assembly, the balance assembly comprises a balance roller, two ends of the balance roller are respectively sleeved with a limiting seat, the limiting seat is in sliding connection with the adjusting groove, the balance roller is in rotary connection with the limiting seat, and a film unreeled by a material roll passes through the lower side of the balance roller.
The supporting seat is placed between the carrier and the front traction wind-up roll, the balance roll is adjusted through the adjusting groove on the supporting seat, the balance roll can slide along the adjusting groove through the limiting seats at the two ends, the balance roll rotates by a fixed shaft under the action of the conveying tension of the film material, and the contact area between the balance roll and the film material can be changed in the up-down movement process, so that the conveying tension is adjusted.
Further, the balance assembly further comprises two groups of electromagnets, the two groups of electromagnets are respectively arranged at the lower end of the adjusting groove, the limiting seat is made of a magnet material, and the electromagnets are used for controlling the limiting seat to vertically move;
When adjusting: the opposite ends of the electromagnet and the limiting seat are homonymous magnetic poles.
The magnetic pole repulsive force is arranged between the electromagnet after the electromagnet is electrified and the limiting seat, in the conveying process, the larger the magnetic pole repulsive force is, the larger the distance between the limiting seat and the electromagnet is, namely the smaller the resistance applied by the balancing roller to the film material is, the height of the balancing roller can be adjusted by controlling the input current of the input electromagnet, and therefore the traction tension is automatically adjusted.
As an optimization, the balance component further comprises a rotating speed sensor, wherein the rotating speed sensor is arranged in the adjusting groove and is used for detecting the instantaneous rotating speed of the balance roller. The rotating speed of the balance roller is detected in real time through the rotating speed sensor in the regulating groove, when constant power traction is carried out, if the adhesive force between the film materials is increased, the conveying resistance to the film materials is increased, namely the unreeling speed of the material roll is reduced, and the rotating speed of the balance roller is correspondingly driven to be reduced.
As optimization, the balance component also comprises a power supply, the power supply is electrically connected with the electromagnetic iron, and the rotating speed sensor controls the power supply to input the electromagnetic iron current value. According to the rotating speed sensor, a rotating speed signal of a relevant balance roller is obtained, and according to the rotating speed signal, the output current value of a power supply is controlled, when the rotating speed is lower, the unreeling resistance is larger, the current of the power supply is increased, the magnetic pole repulsive force between an electromagnet and a limiting seat is increased, the limiting seat moves upwards, the inclination angle of the unreeled film is reduced, the contact area between the unreeled film and the balance roller is reduced, and the conveying resistance of the film is reduced, so that the film can be conveyed under constant tension.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, after the bearing platform moves the winding drum of the material roll to the equal height position, gas is supplied to the middle bearing groove of the main shaft, so that the gas enters the middle bearing groove and pushes the sealing discs to move in a centering manner, the sealing discs on two sides are gradually inserted into the winding drum in the centering movement process to finish positioning of axial displacement, in the advancing process, the three auxiliary supporting chains and one lower supporting chain are driven to move towards the wall surface of the inner ring of the winding drum through the direction change of the guide grooves of the guide rods, thus four-point positioning is performed, the auxiliary supporting chains and the lower supporting chains are all in chain structures and are hinged in sequence, when the auxiliary supporting chains and the lower supporting chains move to abut against the inner side wall surface of the winding drum, the rotating part and the initial state form ninety-degree included angles, and by adopting the chain type solid structure, the winding drum is rigidly supported in the unreeling process, so that the radial fluctuation of the material roll in the centrifugation process is avoided, and tension change is caused; in the moving process of the sealing disc, the three auxiliary supporting chains and the lower supporting chains which are circumferentially arranged are driven to move and gradually push out of the middle bell and spigot groove, when the auxiliary joint rod and the lower joint rod at the front end move to be in contact with the guide groove of the guide rod, the auxiliary joint rod and the lower joint rod are arranged in an arc shape and are reversed along the guide groove, so that an included angle of ninety degrees is formed between the auxiliary joint rod and the initial state, the bottom of the auxiliary joint rod and the guide rod are abutted, the vertical part is gradually prolonged and abutted against the wall surface of the inner ring of the winding drum, the sealing disc is synchronously driven, the lengths of the vertical parts in four directions are identical, uniform clamping is carried out, in the extending process of the vertical part, the auxiliary air passage, the lower air passage and the middle bell and spigot groove are in a cut-off state, the main shaft is not rotated under the initial state, after the auxiliary joint rod and the lower joint rod at the vertical part are moved and abutted against the inner wall of the winding drum, the switch on the sealing disc is controlled to be opened, and air enters the air passage and the air passage respectively into the air passage and the lower air passage through the middle bell and spigot groove, and the auxiliary fork in the auxiliary chute is pushed to slide, and the auxiliary part is inserted into the adjacent front end or the lower supporting chain and the lower supporting part is self-locked.
Drawings
The foregoing and/or other advantages of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings and detailed description.
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic diagram of a driving structure of a clamping device according to the present invention;
FIG. 3 is an enlarged view of part A of the view of FIG. 2;
FIG. 4 is an enlarged view of part B of the view of FIG. 2;
FIG. 5 is a schematic view of the inflatable module of the present invention;
FIG. 6 is a schematic view of the self-locking structure of the auxiliary node lever and the lower node lever of the present invention;
FIG. 7 is a schematic diagram of an unwind traction tension compensation configuration of the present invention;
In the figure: 1. a carrying device; 11. a carrier; 111. a rotary groove; 112. a drive chamber; 12. a support base; 121. an adjustment tank; 2. a driving device; 21. a driving motor; 22. a balancing assembly; 221. a balance roller; 222. a rotation speed sensor; 223. a power supply; 224. a limit seat; 225. an electromagnet; 3. a clamping device; 31. a main shaft; 311. a middle bearing groove; 312. a limit groove; 313. a sliding stopping groove; 32. an inflatable component; 321. a sealing plate; 322. auxiliary section bars; 3221. an auxiliary socket; 3222. an auxiliary chute; 3223. an auxiliary air passage; 323. a lower section bar; 3231. a lower socket; 3232. a lower chute; 3233. a lower airway; 324. a fork; 325. an air-introducing pipe; 33. an air supply pipe; 34. a guide ring; 35. a guide rod; 4. bearing platform; 5.a material roll; 6. and (3) a winding drum.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides the technical scheme that:
As shown in fig. 1-2, a film raw material unreeling device with controllable traction tension is used for unreeling a material roll 5, a reel 6 is arranged on an inner ring of the material roll 5, the unreeling device comprises a bearing device 1, a driving device 2, a clamping device 3 and a bearing platform 4, the bearing device 1 is connected with the driving device 2, the clamping device 3 is connected with the bearing device 1, the clamping device 3 is used for clamping the reel 6, the driving device 2 is used for adjusting the unreeling tension of the material roll 5, and the bearing platform 4 is used for carrying out reel 5 replacement.
The material is rolled up 5 cover and is established on reel 6, unreels through unreeling device, bear device 1 as main installation basis for install other each device, drive arrangement 2 is as main power supply, be used for providing unreeling power, self-adaptation centre gripping is carried out when clamping device 3 is used for unreeling the material of different specifications 5, drive arrangement 2 can exert extra effort to the film material of unreeling to compensate tension, make the film material carry tension controllable, remain stable.
As shown in fig. 2-6, the carrying device 1 comprises a carrier 11, a bearing platform 4 is arranged in the middle of the carrier 11, the driving device 2 comprises a driving motor 21, two driving cavities 112 are arranged on the carrier 11, the two driving cavities 112 are oppositely arranged, the driving motor 21 is arranged in the driving cavity 112, and a rotary groove 111 is arranged at the inner side of the driving cavity 112;
The clamping device 3 comprises two main shafts 31, the two main shafts 31 are respectively and rotatably connected with the rotary groove 111, the driving motor 21 is fixedly connected with the main shafts 31, a middle bearing groove 311 is formed in the main shafts 31, an air expansion component 32 is arranged in the middle bearing groove 311, the air expansion component 32 comprises a sealing disc 321, auxiliary joint rods 322 and lower joint rods 323, the sealing disc 321 is slidably connected with the middle bearing groove 311, the auxiliary joint rods 322 are provided with three groups, the three groups of auxiliary joint rods 322 are sequentially arranged on two sides and above the middle part of the sealing disc 321, the lower joint rods 323 are positioned below the sealing disc 321, a guide rod 35 is arranged in an outward extending mode of the main shafts 31, one end of the guide rod 35 penetrates through the sealing disc 321, the sealing disc 321 is slidably connected with the guide rod 35, four guide grooves are formed in the tail end of the guide rod 35, the auxiliary joint rods 322 and the lower joint rods 323 are in arc-shaped arrangement on one side close to the guide rod 35, the auxiliary joint rods 322 and the lower joint rods 323 on one side close to the guide grooves are slidably connected with the guide grooves, the plurality of auxiliary joint rods 322 in series form a lower support chain, the lower support chain in series, the lower support chain is formed by the lower support chain in a plurality of auxiliary joint rods 323, the lower support chain are vertically arranged, the lower support chain and the lower support chain are vertically arranged in a vertical mode, and the lower support chain are arranged in a vertical support chain, and the lower support chain are arranged in a mode, and the support chain are arranged towards the inner side 6, and the support wall are arranged.
The lower end of the middle part of the carrier 11 is provided with the bearing platform 4, after the material roll 5 on the winding drum 6 is unreeled, the material roll 5 is automatically replaced through the bearing platform 4, the roll replacement efficiency is provided, the driving motors 21 are respectively installed through the two driving cavities 112, the driving motors 21 are used for outputting torque to drive the two main shafts 31 to rotate, the winding drum 6 is synchronously driven through the air expansion component 32 at the end part in the rotating process of the two main shafts 31, the stability of the unreeling process is ensured, the circumferential direction of the sealing disc 321 can be supported by adopting rubber materials, the sliding is not affected, the sealing performance is good, when the bearing platform 4 moves the winding drum 6 of the material roll 5 to the equal height position, the air is supplied into the middle bearing groove 311 of the main shafts 31, the air enters the middle bearing groove 311 and pushes the sealing disc 321 to move in a centering mode, the sealing discs 321 on two sides gradually insert into the winding drum 6 in the centering moving process to finish the positioning of axial displacement, the guide rod 35 is driven to move along the anti-slip groove 313 in the advancing process, after the guide rod 35 does not move any more after the guide rod 35 moves to limit, the guide groove of the guide rod 35 is used for reversing, three auxiliary supporting chains and one lower supporting chain are driven to move towards the inner ring wall surface of the winding drum 6, thereby four-point positioning is performed, the auxiliary supporting chains and the lower supporting chains are all of chain structures and are hinged in sequence, when the guide rod is moved to abut against the inner side wall surface of the winding drum 6, the rotating part and the initial state form ninety-degree included angles, and the guide rod is used for rigidly supporting the winding drum 6 in the unreeling process by adopting a chain type entity structure, so that radial fluctuation of a material roll 5 is avoided in the centrifuging process, and tension change is caused.
As shown in fig. 2-3, the clamping device 3 further comprises an air supply pipe 33 and a guide ring 34, a limit groove 312 is formed in one end, close to the driving motor 21, of the main shaft 31, the limit groove 312 is communicated with the middle bearing groove 311, the guide ring 34 is sleeved in the limit groove 312, an annular groove is formed in the inner ring of the guide ring 34, and the air supply pipe 33 is communicated with the annular groove.
One end of the air supply pipe 33 is connected with an air source, air is supplied to the limiting groove 312 through an annular groove in the guide ring 34, so that air in the limiting groove 312 can enter the middle bearing groove 311, the air expansion assembly 32 can move axially and radially, the automatic clamping of the winding drum 6 is facilitated, one side of the guide ring 34 can be fixedly connected with the wall surface of the driving cavity 112 for guaranteeing the air supply stability, the guide ring 34 supplies air to the rotating end from the fixed end through an inner annular groove in the air supply process, and the air expansion assembly 32 can move in multiple directions through a single supplied air source.
As shown in fig. 2-6, two ends of the auxiliary section bar 322 are respectively provided with an auxiliary chute 3222 and an auxiliary jack 3221, two ends of the lower section bar 323 are respectively provided with a lower chute 3232 and a lower jack 3231, the auxiliary chute 3222 and the lower chute 3232 are respectively internally provided with a section fork 324, the section fork 324 is respectively in sliding connection with the adjacent auxiliary chute 3222 and lower chute 3232, the auxiliary section bar 322 is provided with an auxiliary air passage 3223, the auxiliary air passage 3223 is communicated with the tail end of the auxiliary chute 3222, the lower section bar 323 is provided with a lower air passage 3233, the connected auxiliary air passage 3223 is communicated with the lower air passage 3233 through an air guide pipe 325, the auxiliary air passage 3223 is communicated with the bottom of the adjacent auxiliary chute 3222, the lower air passage 3233 is communicated with the bottom of the adjacent lower chute 3232, the auxiliary air passage 3223 and the lower air passage 3233 which are close to the sealing disc 321 are respectively communicated with one side of the middle bearing groove 311 which is close to the limit groove 312, and the auxiliary jack 3221 and the lower jack 3231 are obliquely arranged;
When self-locking: the crotch 324 is inserted into the auxiliary insertion opening 3221 and the lower insertion opening 3231 at the front end, respectively.
In the initial state, all the auxiliary link rods 322 and the lower link rods 323 are in a horizontal arrangement state and are positioned in the middle bearing groove 311 and are in sliding connection with the middle bearing groove 311, after the air supply pipe 33 supplies air to the middle bearing groove 311 through the guide ring 34, the two sealing plates 321 are pushed to move towards each other along with the continuous increase of the air pressure of the sealing plates 321 close to the air supply end, in the moving process of the sealing plates 321, three auxiliary support chains and the lower support chains which are circumferentially arranged are driven to move and gradually push out of the middle bearing groove 311, when the auxiliary link rods 322 and the lower link rods 323 at the front end are moved to be in contact with the guide grooves of the guide rod 35, the end parts of the auxiliary link rods 322 and the lower link rods 323 are in arc arrangement along the guide grooves, thus forming an included angle of ninety degrees with the initial state, the bottom parts are abutted with the guide rod 35, the vertical parts are gradually prolonged through the link structure and abutted against the inner ring wall surface of the winding drum 6, through the synchronous drive of sealing disk 321 for the length of four direction vertical parts is the same, carries out even centre gripping, in the in-process that vertical parts extended, be in the state of cutting off between auxiliary air flue 3223, lower air flue 3233 and the well holds groove 311, through the switch control that the junction set up, in the initial state, main shaft 31 does not rotate, after auxiliary section pole 322 and lower section pole 323 at vertical parts all move and support the reel 6 inner wall, the switch on the control sealing disk 321 is opened, the gas gets into auxiliary air flue 3223 respectively in through well holds groove 311 and holds in the lower air flue 3233, and promote auxiliary chute 3222 and lower chute 3232 in the knot branch 324 slip, and insert in adjacent front end auxiliary socket 3221 or lower socket 3231, carry out the auto-lock to the auxiliary support chain and the lower support chain of vertical parts, every time when changing reel 6, make lower section pole 323 be in the lower extreme all the time, be convenient for carry out subsequent centre gripping.
As shown in fig. 1 and 7, the carrying device 1 further includes a supporting seat 12, the supporting seat 12 is located at the front end of the carrier 11, an adjusting groove 121 is formed in the supporting seat 12, the driving device 2 includes a balancing component 22, the balancing component 22 includes a balancing roller 221, two ends of the balancing roller 221 are respectively sleeved with a limiting seat 224, the limiting seat 224 is slidably connected with the adjusting groove 121, the balancing roller 221 is rotatably connected with the limiting seat 224, and a film unwound from the material roll 5 passes through the lower side of the balancing roller 221.
The supporting seat 12 is placed between the carrier 11 and the front traction wind-up roll, the balance roller 221 is adjusted through the adjusting groove 121 on the supporting seat 12, the balance roller 221 can slide along the adjusting groove 121 through the limiting seats 224 at two ends, the balance roller 221 rotates in a fixed shaft under the action of the conveying tension of the film material, and the contact area between the balance roller 221 and the film material can be changed in the up-and-down movement process, so that the conveying tension is adjusted.
As shown in fig. 7, the balance assembly 22 further includes two groups of electromagnets 225, wherein the electromagnets 225 are disposed at the lower ends of the adjusting slots 121, the limiting seat 224 is made of a magnet material, and the electromagnets 225 are used for controlling the limiting seat 224 to move vertically;
when adjusting: the electromagnet 225 and the limiting seat 224 are the same-name magnetic poles at the opposite ends.
The magnetic pole repulsive force is arranged between the electromagnet 225 after being electrified and the limiting seat 224, in the conveying process, the larger the magnetic pole repulsive force is, the larger the distance between the limiting seat 224 and the electromagnet 225 is, namely the smaller the resistance applied to the film material by the balance roller 221 is, the height of the balance roller 221 can be adjusted by controlling the input current of the input electromagnet 225, and therefore the traction tension is automatically adjusted.
Preferably, the balancing assembly 22 further comprises a rotation speed sensor 222, wherein the rotation speed sensor 222 is arranged in the adjusting groove 121, and the rotation speed sensor 222 is used for detecting the instantaneous rotation speed of the balancing roller 221. The rotation speed of the balance roller 221 is detected in real time through the rotation speed sensor 222 in the regulating groove 121, when constant power traction is performed, if the adhesion force between the films is increased, the conveying resistance to the films is increased, namely the unreeling speed of the material roll 5 is reduced, and the rotation speed of the balance roller 221 is correspondingly reduced.
Preferably, the balance assembly 22 further includes a power supply 223, the power supply 223 is electrically connected to the electromagnet 225, and the rotation speed sensor 222 controls the power supply 223 to input the current value of the electromagnet 225. According to the rotation speed sensor 222, a rotation speed signal of the relevant balance roller 221 is obtained, and according to the rotation speed signal, the magnitude of an output current value of the power supply 223 is controlled, when the rotation speed is lower, the unreeling resistance is larger, the current of the power supply 223 is increased, the magnetic pole repulsive force between the electromagnet 225 and the limiting seat 224 is increased, the limiting seat 224 moves upwards, the inclination angle of the unreeled film is reduced, the contact area between the unreeled film and the balance roller 221 is reduced, the conveying resistance of the film is reduced, and therefore the film can be conveyed under constant tension.
The working principle of the invention is as follows: after the bearing platform 4 moves the winding drum 6 of the material roll 5 to the equal height position, gas is supplied to the middle bearing groove 311 of the main shaft 31, so that the gas enters the middle bearing groove 311 and pushes the sealing discs 321 to move in a centering way, the sealing discs 321 on two sides gradually insert into the winding drum 6 in the centering moving process to finish the positioning of axial displacement, in the advancing process, the three auxiliary supporting chains and one lower supporting chain are driven to move towards the inner ring wall surface of the winding drum 6 through the direction change of the guide grooves of the guide rods 35, thus four-point positioning is performed, the auxiliary supporting chains and the lower supporting chains are of chain structures and are hinged in sequence, and when the auxiliary supporting chains and the lower supporting chains move to abut against the inner side wall surface of the winding drum 6, the rotating part and the initial state form a ninety-degree included angle; in the moving process of the sealing disc 321, three auxiliary supporting chains and lower supporting chains which are circumferentially arranged are driven to move and gradually push out of the middle bell and spigot groove 311, when the auxiliary link rod 322 and the lower link rod 323 at the front end move to be in contact with the guide groove of the guide rod 35, as the end parts of the auxiliary link rod 322 and the lower link rod 323 are arranged in an arc shape and are reversed along the guide groove, an included angle of ninety degrees is formed between the end parts and the initial state, the bottom of the auxiliary link rod and the guide rod 35 are abutted, the vertical part is gradually prolonged through the linking structure, the inner ring wall surface of the winding drum 6 is abutted, the sealing disc 321 is synchronously driven, the lengths of the vertical parts in four directions are the same, uniform clamping is carried out, in the extending process of the vertical part, the auxiliary link rod 3223, the lower link rod 3233 and the middle bell and spigot groove 311 are in a cut-off state, in the initial state through the switch control arranged at the connection part, the main shaft 31 is not rotated, and when the auxiliary link rod 322 and the lower link rod 323 at the vertical part are all moved and abutted to the inner wall of the winding drum 6, the switch on the sealing disc 321 is controlled to be opened, and gas enters the auxiliary link rod 3223 and the lower link rod 3233 respectively through the middle bell and spigot groove 311, pushes the auxiliary link rod 3233 and the inner link rod 3232 to slide into the adjacent to the lower link rod 32232 and the lower link rod 3232, or the lower link rod 321 and the lower supporting part and the upper link rod 321.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a controllable tension's membrane raw materials unreels device, unreels the device and is used for unreeling material book (5), material book (5) inner circle is equipped with reel (6), its characterized in that: the unreeling device comprises a bearing device (1), a driving device (2), a clamping device (3) and a bearing platform (4), wherein the bearing device (1) is connected with the driving device (2), the clamping device (3) is connected with the bearing device (1), the clamping device (3) is used for clamping a winding drum (6), the driving device (2) is used for adjusting unreeling tension of a material roll (5), and the bearing platform (4) is used for carrying out reel replacement of the material roll (5);
the bearing device (1) comprises a carrier (11), the bearing platform (4) is arranged in the middle of the carrier (11), the driving device (2) comprises a driving motor (21), two driving cavities (112) are arranged on the carrier (11), the two driving cavities (112) are arranged in opposite directions, the driving motor (21) is arranged in the driving cavities (112), and a rotary groove (111) is formed in the inner side of the driving cavities (112);
The clamping device (3) comprises two main shafts (31), the two main shafts (31) are respectively and rotatably connected with the rotary groove (111), the driving motor (21) and the main shafts (31) are fixedly connected, a middle bearing groove (311) is formed in each main shaft (31), an air expansion component (32) is arranged in each middle bearing groove (311), each air expansion component (32) comprises a sealing disc (321), an auxiliary section rod (322) and a lower section rod (323), the sealing discs (321) and the middle bearing groove (311) are in sliding connection, the auxiliary section rods (322) are provided with three groups, the three groups of auxiliary section rods (322) are sequentially arranged on two sides and the upper side in the middle of the sealing discs (321), the lower section rods (323) are located below the sealing discs (321), guide rods (35) are outwards extended and are arranged on the main shafts (31), the guide rods (35) and the guide grooves (313) are in sliding connection, one ends of the guide rods (35) penetrate through the sealing discs (321), the guide rods (35) and the guide rods (35) are arranged on one sides of the guide rods (322) close to the arc-shaped guide rods (323) which are arranged on one sides, close to the lower section rods (323) and are arranged on the two sides of the guide rods (323), the auxiliary support chains are formed by connecting a plurality of auxiliary section rods (322) in series, the lower support chains are formed by connecting a plurality of lower section rods (323) in series, the lower support chains and the three auxiliary support chains are vertically arranged in pairs, and the lower support chains and the three auxiliary support chains face the inner ring wall surface of the winding drum (6).
2. A film stock unwinder with controllable traction tension as defined in claim 1, wherein: the clamping device (3) further comprises an air supply pipe (33) and a guide ring (34), a limit groove (312) is formed in one end, close to the driving motor (21), of the main shaft (31), the limit groove (312) is communicated with the middle bearing groove (311), the guide ring (34) is sleeved in the limit groove (312), an annular groove is formed in the inner ring of the guide ring (34), and the air supply pipe (33) is communicated with the annular groove.
3. A film stock unwinder with controllable traction tension as defined in claim 2, wherein: the two ends of the auxiliary section rod (322) are respectively provided with an auxiliary chute (3222) and an auxiliary jack (3221), two ends of the lower section rod (323) are respectively provided with a lower chute (3232) and a lower jack (3231), each auxiliary chute (3222) and each lower chute (3232) are respectively provided with a section fork (324), each section fork (324) is respectively in sliding connection with the adjacent auxiliary chute (3222) and each lower chute (3232), each auxiliary section rod (322) is provided with an auxiliary air passage (3223), the tail ends of the auxiliary air passages (3223) and the auxiliary chute (3222) are communicated, each lower section rod (323) is provided with a lower air passage (3233) which is connected with each auxiliary air passage (3223) and each lower air passage (3233) respectively through an air guide pipe (325), the bottoms of the auxiliary air passages (3223) and the adjacent auxiliary chutes (3232) are communicated with each other, and the bottoms of the adjacent lower air passages (3233) are respectively communicated with each auxiliary jack (3223) and each lower jack (3232), and the auxiliary jack (323) close to the sealing disc (321) are respectively communicated with one side of the lower jack (3231) in an inclined way (3231);
when self-locking: the fork (324) is inserted into an auxiliary socket (3221) and a lower socket (3231) at the front end respectively.
4. A film stock unwinder with controllable traction tension as defined in claim 3, wherein: the bearing device is characterized in that the bearing device (1) further comprises a supporting seat (12), the supporting seat (12) is located at the front end of the carrier (11), an adjusting groove (121) is formed in the supporting seat (12), the driving device (2) comprises a balancing component (22), the balancing component (22) comprises a balancing roller (221), two ends of the balancing roller (221) are respectively sleeved with a limiting seat (224), the limiting seats (224) are in sliding connection with the adjusting groove (121), the balancing roller (221) and the limiting seats (224) are rotationally connected, and a film unreeled by the material roll (5) penetrates through the lower side of the balancing roller (221).
5. The film stock unwinder with controllable traction tension as defined in claim 4, wherein: the balance assembly (22) further comprises two groups of electromagnets (225), the two groups of electromagnets (225) are respectively arranged at the lower end of the adjusting groove (121), the limiting seat (224) is made of a magnet material, and the electromagnets (225) are used for controlling the limiting seat (224) to move vertically;
when adjusting: the opposite ends of the electromagnet (225) and the limiting seat (224) are homonymous magnetic poles.
6. A controlled draw tension film stock unwinder as defined in claim 5, wherein: the balance assembly (22) further comprises a rotation speed sensor (222), wherein the rotation speed sensor (222) is arranged in the regulating groove (121), and the rotation speed sensor (222) is used for detecting the instantaneous rotation speed of the balance roller (221).
7. The film stock unwinder with controllable traction tension as defined in claim 6, wherein: the balance assembly (22) further comprises a power supply (223), the power supply (223) is electrically connected with the electromagnet (225), and the rotating speed sensor (222) controls the power supply (223) to input the current value of the electromagnet (225).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410545405.7A CN118125175B (en) | 2024-05-06 | 2024-05-06 | Film raw material unreeling device capable of controlling traction tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410545405.7A CN118125175B (en) | 2024-05-06 | 2024-05-06 | Film raw material unreeling device capable of controlling traction tension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118125175A true CN118125175A (en) | 2024-06-04 |
| CN118125175B CN118125175B (en) | 2024-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410545405.7A Active CN118125175B (en) | 2024-05-06 | 2024-05-06 | Film raw material unreeling device capable of controlling traction tension |
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| CN (1) | CN118125175B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4233420A1 (en) * | 1992-10-05 | 1994-04-07 | Abb Patent Gmbh | Windings mfg. jig for transformers and chokes - has variable dia. winding cylinder formed by radial elements with links that can be displaced by axial common actuator |
| US20080018037A1 (en) * | 2006-03-28 | 2008-01-24 | Seiko Epson Corporation | Rolled medium supporting mechnaism for supporting both ends of rolled medium and recording apparatus having the rolled medium supporting mechanism |
| CN211470175U (en) * | 2020-01-14 | 2020-09-11 | 宜昌捷龙电气有限公司 | Horizontal unreeling machine |
| CN111792459A (en) * | 2020-07-03 | 2020-10-20 | 四川中迪电力工程有限公司 | Automatic well cable winding and unwinding device for power engineering construction |
| CN214166785U (en) * | 2020-12-26 | 2021-09-10 | 山东国宁包装股份有限公司 | Plastic wrap production coiling mechanism |
| CN219135859U (en) * | 2022-11-07 | 2023-06-06 | 安徽乐微新材料科技有限公司 | Plastic film winding device |
-
2024
- 2024-05-06 CN CN202410545405.7A patent/CN118125175B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4233420A1 (en) * | 1992-10-05 | 1994-04-07 | Abb Patent Gmbh | Windings mfg. jig for transformers and chokes - has variable dia. winding cylinder formed by radial elements with links that can be displaced by axial common actuator |
| US20080018037A1 (en) * | 2006-03-28 | 2008-01-24 | Seiko Epson Corporation | Rolled medium supporting mechnaism for supporting both ends of rolled medium and recording apparatus having the rolled medium supporting mechanism |
| CN211470175U (en) * | 2020-01-14 | 2020-09-11 | 宜昌捷龙电气有限公司 | Horizontal unreeling machine |
| CN111792459A (en) * | 2020-07-03 | 2020-10-20 | 四川中迪电力工程有限公司 | Automatic well cable winding and unwinding device for power engineering construction |
| CN214166785U (en) * | 2020-12-26 | 2021-09-10 | 山东国宁包装股份有限公司 | Plastic wrap production coiling mechanism |
| CN219135859U (en) * | 2022-11-07 | 2023-06-06 | 安徽乐微新材料科技有限公司 | Plastic film winding device |
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|---|---|
| CN118125175B (en) | 2024-06-28 |
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