WO2024066020A1 - Dispositif de réception de bande, appareil d'enroulement et de déroulement et procédé de changement de rouleau - Google Patents

Dispositif de réception de bande, appareil d'enroulement et de déroulement et procédé de changement de rouleau Download PDF

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Publication number
WO2024066020A1
WO2024066020A1 PCT/CN2022/135548 CN2022135548W WO2024066020A1 WO 2024066020 A1 WO2024066020 A1 WO 2024066020A1 CN 2022135548 W CN2022135548 W CN 2022135548W WO 2024066020 A1 WO2024066020 A1 WO 2024066020A1
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WO
WIPO (PCT)
Prior art keywords
roll
cutter
pressure roller
unwinding
winding
Prior art date
Application number
PCT/CN2022/135548
Other languages
English (en)
Chinese (zh)
Inventor
蔡灿鸿
曾伟彬
王建奇
Original Assignee
广东利元亨智能装备股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 广东利元亨智能装备股份有限公司 filed Critical 广东利元亨智能装备股份有限公司
Publication of WO2024066020A1 publication Critical patent/WO2024066020A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or 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
    • B65H23/16—Registering, tensioning, smoothing or guiding webs longitudinally by weighted or spring-pressed movable bars or rollers
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the technical field of winding and unwinding, and in particular to a tape splicing device, winding and unwinding equipment and a roll changing method.
  • the material strip needs to be wound and unwound, and the roll needs to be changed continuously during the winding and unwinding process.
  • the current collector roll needs to be unwound to facilitate coating the upper and lower surfaces of the unfolded current collector.
  • the material strip also needs to be wound up.
  • the produced material strip needs to be wound up.
  • roll changing equipment mainly realizes roll changing by turning over a turntable on which a plurality of rolls are fixed.
  • the roll changing process is relatively complicated and it is difficult to change rolls without stopping the machine, which reduces the roll changing efficiency.
  • the present invention provides a tape splicing device, a reeling and unreeling device and a reel changing method to solve at least one of the above technical problems.
  • An embodiment of the present invention provides a tape splicing device, which includes:
  • a rotating arm the rotating arm being rotatably connected to the bracket;
  • the first pressing roller being rotatably connected to the rotating arm;
  • a cutting unit is used to cut the material strip.
  • the cutting unit includes a first cutter and a second cutter, the first cutter is rotatably connected to the first pressure roller, the second cutter is rotatably connected to the second pressure roller, the blade of the first cutter extends along the direction of the rotation axis of the first pressure roller, and the blade of the second cutter extends along the direction of the rotation axis of the second pressure roller.
  • the rotating arm is a strip plate
  • the first pressing roller and the second pressing roller are arranged at an interval
  • the first pressing roller and the second pressing roller are rotatably connected to two ends of the rotating arm respectively.
  • the belt connecting device further comprises a first guide rail, and the bracket is slidably connected to the first guide rail along a first direction.
  • the belt connecting device further comprises a second guide rail, and the second guide rail is slidably connected to the first guide rail along a second direction;
  • the first direction is perpendicular to the second direction.
  • An embodiment of the present invention further provides a winding and unwinding device, comprising a first winding and unwinding device, a second winding and unwinding device and the above-mentioned tape splicing device;
  • the first unwinding device and the second unwinding device are respectively arranged on both sides of the bracket, and the first unwinding device and the second unwinding device are both used for winding or unwinding the material tape.
  • the first unwinding device includes a coil driving member, a coil rotating shaft and a third guide rail, the coil driving member is slidably connected to the third guide rail along a third direction, and the coil driving member and the coil rotating shaft are drivingly connected.
  • the rewinding and unwinding device further comprises a guide roller, and the guide roller is rotatably mounted on the bracket or the first unwinding device or the second unwinding device.
  • An embodiment of the present invention further provides a roll changing method for unwinding a material strip, using the above-mentioned unwinding and rewinding device, and the steps of the roll changing method include:
  • the material tape of the first material roll is sequentially passed through the side of the first pressure roller facing the second material roll and the side of the second pressure roller facing the first material roll, wherein the first pressure roller is located on the side opposite to the second pressure roller along the conveying direction of the material tape, and the first unwinding device is operated to unwind;
  • the second unwinding device is started to connect the material strip on the first pressure roller with the material strip head of the second unwinding device, and the first cutter is controlled to rotate so that the first cutter approaches and cuts the material strip of the first material roll, and the unwinding is continued;
  • the rotating arm is controlled to rotate so that the first pressing roller is transferred to the side of the second pressing roller along the same conveying direction of the material tape, and the material tape of the second material roll passes through the side of the second pressing roller facing the first material roll and the side of the first pressing roller facing the second material roll in sequence;
  • the material tape on the second pressure roller is connected to the material tape head on the first unwinding device, and the second cutter is controlled to rotate so that the second cutter approaches and cuts the material tape of the second roll, completing the tape splicing and roll changing, and continuing the unwinding.
  • the method before the step of controlling the first cutter to rotate so that the first cutter approaches and cuts off the material strip of the first roll, the method further includes:
  • the bracket is controlled to move along a first direction and away from the first winding and unwinding device, wherein the tape connecting device further comprises a first guide rail, and the bracket is slidably connected to the first guide rail along the first direction.
  • the method before or during the step of connecting the material tape on the first pressure roller to the material tape head of the second unwinding device, the method further includes:
  • Adjusting the unwinding speed of the material strip of the second unwinding device to be the same as the moving speed of the material strip on the first pressing roller;
  • the method further includes:
  • the unwinding speed of the material strip of the first unwinding device is adjusted to be the same as the moving speed of the material strip on the second pressing roller.
  • An embodiment of the present invention further provides a roll changing method for winding a material strip, using the above-mentioned winding and unwinding device, and the steps of the roll changing method include:
  • the material tape is sequentially passed through the side of the second pressing roller facing the first material roll and the side of the first pressing roller facing the second material roll, and the material tape head is connected to the winding shaft on the first winding device to wind the first material roll, wherein the first pressing roller is located on the same side of the second pressing roller along the same conveying direction of the material tape;
  • the material strip on the first pressure roller is connected to the winding shaft of the second winding device, the material strip between the first material roll and the first pressure roller is cut off, and the second material roll is wound up;
  • the rotating arm is controlled to rotate so that the first pressing roller is transferred to the side of the second pressing roller opposite to the conveying direction of the material belt, and the material belt of the second material roll passes through the side of the second pressing roller facing the first material roll and the side of the first pressing roller facing the second material roll in sequence in the direction opposite to the conveying direction of the material belt;
  • the material tape on the second pressure roller is connected to the material coiling shaft on the first unwinding device, and the material tape between the second material coil and the second pressure roller is cut to complete the tape splicing and coil changing.
  • the cutting unit includes a first cutter and a second cutter, the first cutter is rotatably connected to the first pressure roller, the second cutter is rotatably connected to the second pressure roller, and the cutting of the material strip between the first material roll and the first pressure roller includes:
  • the cutting of the material strip between the second material roll and the second pressure roller comprises:
  • the second cutter is controlled to rotate so that the blade of the second cutter approaches and cuts the material strip between the second material roll and the second pressing roller.
  • the blade edge of the first cutter extends along the direction of the rotation axis of the first pressing roller
  • the blade edge of the second cutter extends along the direction of the rotation axis of the second pressing roller
  • the method further includes:
  • the method further includes:
  • the rotation speed of the coil shaft of the first unwinding device is adjusted to be the same as the transfer speed of the material strip on the second pressure roller.
  • the beneficial effects of the tape splicing device, the reeling and unreeling device, and the reel changing method according to the embodiments of the present invention include, for example:
  • An embodiment of the present invention provides a belt splicing device, which includes a bracket, a rotating arm, a first pressure roller, a first cutter, a second pressure roller and a second cutter.
  • the rotating arm is rotatably connected to the bracket
  • the first pressure roller is rotatably connected to the rotating arm
  • the first cutter is rotatably connected to the first pressure roller
  • the second pressure roller is rotatably connected to the rotating arm
  • the second cutter is rotatably connected to the second pressure roller.
  • the belt splicing device has a simple structure and can improve the roll changing efficiency.
  • An embodiment of the present invention also provides a winding and unwinding device, which includes a first winding and unwinding device, a second winding and unwinding device and the above-mentioned tape connecting device, the first winding and unwinding device and the second winding and unwinding device are respectively arranged on both sides of the bracket, and the first winding and unwinding device and the second winding and unwinding device are both used for winding or unwinding the material tape.
  • the winding and unwinding device has a lower space occupancy rate, reduces equipment cost, and can improve the efficiency of roll changing.
  • the embodiment of the present invention also provides a roll-changing method for unwinding a material tape, the roll-changing method adopts the above-mentioned winding and unwinding equipment, and the steps of the roll-changing method include: sleeve the first material roll on the first unwinding device and/or sleeve the second material roll on the second unwinding device; pass the material tape of the first material roll through the right side of the first pressure roller and the left side of the second pressure roller in sequence, wherein the first pressure roller is located at the lower side of the second pressure roller, and start the first unwinding device to unwind; when the first material roll is about to be unwound, start the second unwinding device to pass the material tape on the first pressure roller and the material tape of the second unwinding device
  • the belt head is connected, and the first cutter is controlled to rotate and cut the material tape of the first material roll, and the unwinding is continued; when the second material roll is about to be unwound, the rotating arm is controlled to rotate, wherein the
  • the embodiment of the present invention also provides a roll changing method, which adopts the above-mentioned winding and unwinding equipment, and the steps of the roll changing method include: firstly, the material tape of the first material roll is passed through the left side of the second pressure roller and the right side of the first pressure roller in sequence, and the material tape head of the first material roll is connected to the winding shaft on the first winding device, wherein the first pressure roller is located below the second pressure roller; when the first material roll is about to be wound up, the material tape on the first pressure roller is connected to the winding shaft of the second winding device, and the cutter driving member is controlled to drive the first cutter to rotate and cut the material tape between the first material roll and the first pressure roller to wind the second material roll; when the second material roll is about to be wound up, the rotating arm is controlled to rotate, wherein the material tape of the second material roll passes through the left side of the second pressure roller and the right side of the first pressure roller in sequence; the material tape on the second pressure roller is connected to the winding shaft on the first
  • FIG1 is a schematic diagram of a winding and unwinding device provided in an embodiment of the present invention.
  • FIG2 is a schematic diagram of a tape splicing device provided in an embodiment of the present invention.
  • FIG3 is a schematic diagram of a first guide rail and a second guide rail provided in an embodiment of the present invention.
  • FIG4 is a schematic diagram of a first winding and unwinding device provided in an embodiment of the present invention.
  • FIG. 5 is a schematic flow chart of an unwinding process provided in an embodiment of the present invention.
  • Icons 1000-tape connecting device; 100-bracket; 200-rotating arm; 300-first pressure roller; 400-first cutter; 500-second pressure roller; 600-second cutter; 700-first guide rail; 800-second guide rail; 2000-winding and unwinding equipment; 2100-first unwinding device; 2110-roll drive; 2120-roll shaft; 2130-third guide rail; 2200-second unwinding device; 2300-guide roller; 10-material roll; 11-material tape; 20-rotating arm drive; 30-cutter drive.
  • the material strip needs to be rolled up and unrolled, and the roll needs to be changed continuously during the rolling and unrolling process.
  • the current collector roll needs to be unrolled to facilitate coating the upper and lower surfaces of the unfolded current collector.
  • the material strip also needs to be rolled up.
  • the produced material strip needs to be rolled up.
  • the roll changing equipment mainly realizes the roll changing by turning over the turntable with multiple rolls fixed on it as a whole.
  • the roll changing process is relatively complicated, and it is difficult to change the roll without stopping the machine, which reduces the roll changing efficiency.
  • the roll changing equipment has a complex structure and occupies a large space, which increases the equipment cost and occupied space.
  • An embodiment of the present invention provides a winding and unwinding device 2000, which includes a first winding and unwinding device 2100, a second winding and unwinding device 2200 and a tape connecting device 1000, wherein the first winding and unwinding device 2100 and the second winding and unwinding device 2200 are respectively arranged on both sides of the tape connecting device 1000, and the first winding and unwinding device 2100 and the second winding and unwinding device 2200 are both used for winding or unwinding the material tape 11.
  • the material roll 10 when performing the unwinding operation, the material roll 10 needs to be sleeved on the first unwinding device 2100 and the second unwinding device 2200, and the material roll 10 needs to be unwound to unfold the material belt 11 of the material roll 10.
  • the material strip 11 is wound into a material roll 10 by the first unwinding device 2100 and the second unwinding device 2200.
  • the material roll 10 can be a current collector material roll required for making a battery.
  • the material roll 10 can also be a metal material roll, such as an aluminum roll.
  • the specific type of the material roll 10 is not limited.
  • the belt connecting device 1000 includes a bracket 100, a rotating arm 200, a first pressure roller 300, a first cutter 400, a second pressure roller 500 and a second cutter 600, the rotating arm 200 is rotatably connected to the bracket 100, the first pressure roller 300 is rotatably connected to the rotating arm 200, the first cutter 400 is rotatably connected to the first pressure roller 300, the second pressure roller 500 is rotatably connected to the rotating arm 200, and the second cutter 600 is rotatably connected to the second pressure roller 500.
  • first winding device 2100 and the second winding device 2200 are respectively arranged on both sides of the bracket 100.
  • the bracket 100 is a U-shaped frame, and the number of the rotating arms 200 is two.
  • the two rotating arms 200 are arranged at both ends of the first pressure roller 300 and both ends of the second pressure roller 500.
  • the rotating arm 200 is a strip plate, the first pressing roller 300 and the second pressing roller 500 are arranged at intervals, and the first pressing roller 300 and the second pressing roller 500 are rotatably connected to the two ends of the rotating arm 200 respectively.
  • a rotating arm driving component 20 is installed on the bracket 100, and the rotating arm driving component 20 is drivingly connected to one of the rotating arms 200, and is used to drive the rotating arm 200 to rotate, thereby driving the first pressing roller 300 and the second pressing roller 500 to rotate relative to each other, that is, the first pressing roller 300 can be located above the second pressing roller 500, or the first pressing roller 300 can also be located below the second pressing roller 500, or the first pressing roller 300 and the second pressing roller 500 are located in the same horizontal plane.
  • the rotating arm driving component 20 can be a driving motor.
  • the first pressing roller 300 and the second pressing roller 500 are the same, and the first pressing roller 300 and the second pressing roller 500 are arranged in parallel, that is, the length and diameter of the first pressing roller 300 are the same as the length and diameter of the second pressing roller 500.
  • the length of the first pressing roller 300 needs to be greater than or equal to the width of the material strip 11.
  • the first cutter 400 and the second cutter 600 are both used for cutting the material strip 11.
  • the blade of the first cutter 400 is distributed along the rotation axis of the first pressure roller 300
  • the blade of the second cutter 600 is distributed along the rotation axis of the second pressure roller 500.
  • the length of the blade of the first cutter 400 is equal to the length of the first pressure roller 300
  • the length of the blade of the second cutter 600 is equal to the length of the second pressure roller 500.
  • the blade of the first cutter 400 and the blade of the second cutter 600 are both serrated blades.
  • two cutter driving components 30 are installed on the rotating arm 200, and the two cutter driving components 30 are respectively connected to the first cutter 400 and the second cutter 600. It should be noted that when the second pressure roller 500 is located above the first pressure roller 300, the cutting edge of the first cutter 400 and the cutting edge of the second cutter 600 can face the same direction.
  • FIG. 3 is a bottom schematic diagram of the belt connecting device 1000.
  • the belt connecting device 1000 also includes two first guide rails 700 and four second guide rails 800, and the two first guide rails 700 are arranged at intervals.
  • the bracket 100 is slidably connected to two first guide rails 700 along a first direction, two second guide rails 800 are slidably connected to one first guide rail 700 along a second direction, and the other two second guide rails 800 are slidably connected to another first guide rail 700 along the second direction, wherein the first direction and the second direction are perpendicular.
  • the bracket 100 is slid along the first guide rail 700 by driving the motor and the lead screw, that is, the lead screw and the bracket 100 are threadedly matched, and the lead screw is driven to rotate by the driving motor, which can drive the bracket 100 to slide along the first direction.
  • the sliding method of the second guide rail 800 and the first guide rail 700 can refer to the sliding method of the first guide rail 700 and the bracket 100, and will not be repeated here.
  • the first winding device and the second winding device are the same.
  • the first winding device includes a coil driving member 2110, a coil rotating shaft 2120 and a third guide rail 2130.
  • the coil driving member 2110 is slidably connected to the third guide rail 2130 along the third direction, and the coil driving member 2110 and the coil rotating shaft 2120 are drivingly connected, and the third direction is the same as the second direction.
  • the coil driving member 2110 includes a motor and a transmission assembly.
  • the transmission assembly is slidably connected to the third guide rail 2130, and the transmission assembly is connected to the coil rotating shaft 2120.
  • the coil driving member 2110 can refer to the driving member used to drive the coil rotating shaft 2120 to rotate in the prior art, which will not be repeated here.
  • the unwinding and rewinding device 2000 also includes a guide roller 2300.
  • the number of the guide rollers 2300 is multiple. In the present embodiment, the number of the guide rollers 2300 is two, and the two guide rollers 2300 are parallel and spaced apart.
  • the guide roller 2300 can be rotatably installed on the roll driving member 2110 of the first winding device 2100.
  • the guide roller 2300 can also be installed on the bracket 100 or the second winding device 2200, or a separate frame can be set to support the guide roller 2300. This is not limited here. It should be noted that the rotation axis of the guide roller 2300 is parallel to the rotation axis of the first pressure roller 300.
  • the coil shaft 2120 is rotated along the first rotation direction or the second rotation direction through the transmission component.
  • the first rotation direction here can be understood as clockwise rotation
  • the second rotation direction can be understood as counterclockwise rotation, so as to facilitate the implementation of winding or unwinding operations.
  • An embodiment of the present invention further provides a roll changing method for unwinding, and the roll changing method adopts the above-mentioned unwinding and winding device 2000, wherein Figure 5 includes processes 1-8 of the unwinding and winding device 2000 during the unwinding process, and is explained with the relative positions in Figure 5.
  • Figure 5 includes processes 1-8 of the unwinding and winding device 2000 during the unwinding process, and is explained with the relative positions in Figure 5.
  • the up, down, left, right, front and back directions shown in Figure 5 can be understood as relative positions in Figure 5, or as the relative position relationship when the product is normally placed.
  • the steps of the roll changing method include:
  • the first material roll 10 is placed on the first unwinding device 2100 and/or the second material roll 10 is placed on the second unwinding device 2200 .
  • the first material roll when performing the unwinding operation, can be firstly mounted on the coil shaft 2120 of the first unwinding device 2100 , or the second material roll can be firstly mounted on the coil shaft 2120 of the second unwinding device 2200 .
  • first unwinding device 2100 and the second unwinding device 2200 may also respectively sleeve the first material roll and the second material roll at the same time.
  • the first material roll and the second material roll here may be understood as current collector material rolls.
  • the first material roll and the second material roll here are the same and may be understood as the material roll 10 mentioned in the above content.
  • the first material roll is first placed on the first unwinding device 2100, and the material tape 11 of the first material roll is passed through the right side of the first pressure roller 300 and the left side of the second pressure roller 500 in sequence.
  • the first pressure roller 300 is located at the lower side of the second pressure roller 500, and the first unwinding device 2100 is started to start unwinding.
  • the unwound completion here can be understood as the diameter of the remaining material roll 10 reaches the preset value, for example, when the outer diameter of the remaining material roll 10 is close to the outer diameter of the winding shaft 2120 of the first winding device 2100, or the remaining material roll 10 still has one layer of material tape 11 or two layers of material tape 11.
  • the second material roll is placed on the second winding device 2200, and the second winding device 2200 is started, the material tape 11 on the first pressure roller 300 is connected to the material tape 11 head of the second winding device 2200, and the first cutter 400 is controlled to rotate and cut the material tape 11 of the first material roll 10, so as to complete the tape splicing and roll changing, and continue the unwinding.
  • the cutter drive 30 is controlled to drive the first cutter 400 to rotate and cut the material tape 11 between the first material roll 10 and the first pressure roller 300.
  • the material strip head of the second winding device 2200 has a bonding area, that is, bonding glue or other adhesives are provided on the head of the material strip 11.
  • the second winding device 2200 can be started and drive the second material roll 10 to rotate, ensuring that the tangential speed of the material tape head of the second material roll is equal to the speed of the tail of the material tape 11 on the first pressure roller 300, avoiding relative displacement when the material tape head of the second material roll and the material tape tail on the first pressure roller 300 are connected, that is, the inconsistent speeds on both sides of the material tape 11 cause the material tape 11 to be rubbed, thereby improving the success rate of splicing and the firmness of the splicing.
  • the bracket 100 can move along the second guide rail 800 to correspond to the material roll 10 that is adjusted in position due to correction, the splicing accuracy is further improved.
  • the support 100 is away from the second material roll 10 and is relocated in the middle area between the first unwinding device 2100 and the second unwinding device 2200 to avoid affecting the unwinding process.
  • the rotating arm 200 is controlled to rotate. Specifically, the rotating arm 200 is controlled to rotate 180 degrees clockwise until the first pressure roller 300 is located on the upper side of the second pressure roller 500, and the material tape of the second material roll passes through the left side of the second pressure roller 500 and the right side of the first pressure roller 300 in sequence.
  • the motor is controlled to drive the screw to rotate, so that the bracket 100 moves along the first direction relative to the first guide rail 700 and away from the second winding device 2200, approaching the second material roll of the first winding device 2100, that is, the material belt on the second pressure roller 500 is close to the first material roll of the first winding device 2100.
  • a new first material roll may be placed on the first unwinding device 2100 in any one of processes 2-6.
  • process 7 connect the material tape 11 on the second pressure roller 500 and the material tape head on the first winding device 2100, and control the second cutter 600 to rotate and cut the material tape 11 of the second material roll, complete the tape splicing and roll changing, and continue the unwinding.
  • process 2 and process 3 for details, which will not be repeated here.
  • process 8 to process 1 the rotating arm 200 is controlled to rotate 180 degrees counterclockwise, and the entire unwinding and winding equipment 2000 is restored to the state of process 1, that is, processes 1-8 can be operated in a cycle to complete the unwinding process, realizing the roll changing work without stopping the machine and improving the roll changing efficiency.
  • the unwinding and rewinding device 2000 can also perform a rewinding operation.
  • the embodiment of the present invention also provides a reel changing method for rewinding.
  • the steps of the roll changing method for winding include: firstly passing the material strip 11 through the left side of the second pressing roller 500 and the right side of the first pressing roller 300 in sequence and connecting the material strip head to the coiling shaft 2120 on the first winding device 2100 to wind the first material roll, wherein the first pressing roller 300 is located below the second pressing roller 500;
  • the material strip 11 is first passed through the right side of the first pressure roller 300 and the left side of the second pressure roller 500 in sequence, and the head of the material strip 11 is connected to the winding shaft 2120 on the first winding device 2100, wherein the first pressure roller 300 is located below the second pressure roller 500.
  • the winding completion here can be understood as the diameter of the first material roll reaching a preset value, for example, when the outer diameter of the first material roll meets the normal use requirements.
  • the motor is controlled to drive the lead screw to rotate, so that the bracket 100 moves along the first direction relative to the first guide rail 700 and away from the first winding device 2100, and close to the winding shaft 2120 of the second winding device 2200.
  • the cutter drive 30 is controlled to drive the first cutter 400 to rotate and cut the material strip 11 between the first material roll 10 and the first pressure roller 300, thereby completing the winding of the first material roll and starting the winding of the second material roll.
  • the rotating arm 200 is controlled to rotate. Specifically, the rotating arm 200 is controlled to rotate 180 degrees clockwise until the first pressure roller 300 is located on the upper side of the second pressure roller 500. At this time, the material tape 11 of the second material roll 10 passes through the left side of the second pressure roller 500 and the right side of the first pressure roller 300 in sequence.
  • control motor drives the screw to rotate, so that the bracket 100 moves along the first direction relative to the first guide rail 700 and away from the second winding device 2200, close to the winding shaft 2120 of the first winding device 2100, that is, the second pressure roller 500 is close to the first material roll 10 of the first winding device 2100.
  • the material strip 11 on the second pressure roller 500 is connected to the material roll shaft 2120 on the first unwinding device 2100, and the second cutter 600 is controlled to rotate and cut the material strip 11 to complete the tape splicing and roll changing. At this time, the second material roll 10 formed on the first unwinding device 2100 can be removed and the winding can continue.
  • a bonding area can be set on the winding shaft 2120 of the second winding device 2200 and the winding shaft 2120 of the first winding device 2100, that is, bonding glue or other adhesives are provided on the winding shaft 2120 of the second winding device 2200 and the winding shaft 2120 of the first winding device 2100.
  • the rotating arm 200 is controlled to rotate 180 degrees counterclockwise, and the entire unwinding and rewinding device 2000 is restored to the initial state, and the above-mentioned rewinding process is repeated.
  • the winding shaft 2120 of the first unwinding device can be controlled to move along the third direction and the bracket 100 can be controlled to move along the second guide rail 800 at the same time to avoid the guide roller 2300 feeding belt 11 from being offset.
  • the coil shaft 2120 of the second unwinding device is controlled to move along the third direction and the bracket 100 is controlled to move along the second guide rail 800 to avoid the deviation of the material belt 11 on the guide roller 2300, thereby ensuring the stability of the conveying process of the material belt 11.
  • the belt splicing device 1000 includes a bracket 100, a rotating arm 200, a first pressure roller 300, a first cutter 400, a second pressure roller 500 and a second cutter 600.
  • the rotating arm 200 is rotatably connected to the bracket 100
  • the first pressure roller 300 is rotatably connected to the rotating arm 200
  • the first cutter 400 is rotatably connected to the first pressure roller 300
  • the second pressure roller 500 is rotatably connected to the rotating arm 200
  • the second cutter 600 is rotatably connected to the second pressure roller 500.
  • the belt splicing device 1000 has a simple structure and can improve the roll changing efficiency.
  • the reeling and unwinding device 2000 includes a first reeling and unwinding device 2100, a second reeling and unwinding device 2200 and the above-mentioned tape connecting device 1000.
  • the first reeling and unwinding device 2100 and the second reeling and unwinding device 2200 are respectively arranged on both sides of the bracket 100, and the first reeling and unwinding device 2100 and the second reeling and unwinding device 2200 are both used for reeling or unwinding the material tape 11.
  • the reeling and unwinding device 2000 has a lower space occupancy rate, reduces equipment costs, and can improve the efficiency of reel changing.
  • the roll changing method is used for unwinding the material strip 11, and can realize the roll changing work without stopping the machine, thereby improving the roll changing efficiency.
  • a roll changing method is also provided for winding the material strip 11, and can realize the roll changing work without stopping the machine, thereby improving the roll changing efficiency.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

Dispositif de réception de bande (1000), comprenant un support (100), un bras rotatif (200), un premier rouleau de pression (300), un second rouleau de pression (500) et une unité de coupe, le bras rotatif (200) étant relié de manière rotative au support (100), le premier rouleau de pression (300) étant relié de manière rotative au bras rotatif (200), le second rouleau de pression (500) étant relié de manière rotative au bras rotatif (200) et l'unité de coupe étant conçue pour couper une bande de matériau (11) ; l'unité de coupe comprend un premier dispositif de coupe (400) et un second dispositif de coupe (600), le premier dispositif de coupe (400) étant relié de manière rotative au premier rouleau de pression (300) et le second dispositif de coupe (600) étant relié de manière rotative au second rouleau de pression (500) ; le support (100) est relié de manière coulissante à un premier rail de guidage (700) dans une première direction et un second rail de guidage (800) est relié de manière coulissante au premier rail de guidage (700) dans une seconde direction, la première direction étant perpendiculaire à la seconde. Est en outre divulgué un appareil d'enroulement et de déroulement (2000), un procédé de changement de rouleau pour le déroulement de bande de matériau (11), ainsi qu'un procédé de changement de rouleau pour l'enroulement de bande de matériau (11). Le dispositif de réception de bande (1000) est différent des dispositifs de réception de bande dans des machines d'enroulement et de déroulement de type tourelle classiques et il améliore non seulement l'efficacité de changement de rouleau mais miniaturise également l'appareil.
PCT/CN2022/135548 2022-09-30 2022-11-30 Dispositif de réception de bande, appareil d'enroulement et de déroulement et procédé de changement de rouleau WO2024066020A1 (fr)

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CN202211231685.1 2022-09-30
CN202211231685.1A CN115417208A (zh) 2022-09-30 2022-09-30 接带装置、收放卷设备及换卷方法

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WO2024066020A1 true WO2024066020A1 (fr) 2024-04-04

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