WO2021109949A1 - 一种退卷机 - Google Patents

一种退卷机 Download PDF

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Publication number
WO2021109949A1
WO2021109949A1 PCT/CN2020/132560 CN2020132560W WO2021109949A1 WO 2021109949 A1 WO2021109949 A1 WO 2021109949A1 CN 2020132560 W CN2020132560 W CN 2020132560W WO 2021109949 A1 WO2021109949 A1 WO 2021109949A1
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WO
WIPO (PCT)
Prior art keywords
frame
adjusting
unwinding
roller
gear
Prior art date
Application number
PCT/CN2020/132560
Other languages
English (en)
French (fr)
Inventor
金灏峰
Original Assignee
绍兴市高峰印染有限公司
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Publication date
Application filed by 绍兴市高峰印染有限公司 filed Critical 绍兴市高峰印染有限公司
Priority to DE212020000476.5U priority Critical patent/DE212020000476U1/de
Publication of WO2021109949A1 publication Critical patent/WO2021109949A1/zh

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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
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
    • B65H23/1825—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations and controlling web tension
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/40—Toothed gearings
    • B65H2403/46—Toothed gearings worm gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
    • B65H2407/20—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes for manual intervention of operator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/174—Textile, fibre

Definitions

  • the utility model relates to the technical field of cloth processing, in particular to an unwinding machine.
  • Dyeing and finishing process is the chemical and physical processing of fabrics on special equipment through dyes, medicaments and auxiliaries under certain technological conditions. Before the cloth dyeing and finishing process, the roll of cloth needs to be opened first, and the machine equipment used is the unwinding machine.
  • the above-mentioned unwinding machine does not have a mechanism for tensioning the cloth, and the cloth will become loose during transportation, and after the cloth is loose, the unwinding effect will be affected.
  • the purpose of the present invention is to provide an unwinding machine, which is arranged on the tensioning mechanism to realize the tensioning of the cloth, thereby reducing the influence on the unwinding effect.
  • An unwinding machine includes a frame on which an unwinding mechanism is arranged; a frame is arranged on the frame; a tensioning mechanism is arranged on the frame, and the tensioning mechanism includes a rotatably connected
  • the connecting shaft on the frame, the connecting shaft is provided with an adjusting frame, and the adjusting frame is connected with a first tension roller and a second tension roller in turn along the transmission direction of the cloth; the frame
  • the upper drive assembly is connected with the connecting shaft.
  • the utility model is further configured as follows: the drive assembly includes a worm wheel keyed to the connecting shaft; an adjustment block is provided on the frame, an adjustment rod is rotatably connected to the adjustment block, and an adjustment rod is provided on the adjustment rod. There is a worm that meshes with the worm gear.
  • the adjusting rod By adopting the above technical solution, rotating the adjusting rod, the adjusting rod will drive the worm to rotate, the worm gear meshed with the worm will rotate, the rotation of the worm gear will drive the connecting shaft to rotate, and the connecting shaft drives the adjusting frame to rotate.
  • the position of the second tensioning roller will change, so that the position of the first tensioning roller and the second tensioning roller will change, and the tensioning force on the cloth will change.
  • the utility model is further configured as follows: a fixing mechanism is arranged on the frame, the fixing mechanism includes a connecting block arranged on the frame, the connecting block is provided with a sliding hole, and the sliding connection is slidingly connected in the sliding hole There are two clamping blocks, and the two clamping blocks abut the connecting shaft; the connecting block is provided with a first adjusting component.
  • the first adjustment assembly is activated, and the two clamping blocks of the first adjustment assembly move toward or opposite to each other, and the movement of the two clamping blocks will realize the limitation of the connecting shaft; the fixed mechanism can improve the connecting shaft. Stability on the rack.
  • the utility model is further configured as follows: the first adjustment assembly includes a bidirectional screw rotatably connected in the sliding hole, the bidirectional screw passes through two clamping blocks, and the two clamping blocks are connected to the two clamping blocks respectively.
  • the two ends of the two-way screw are threadedly connected; the connecting block is provided with a first motor connected with the two-way screw.
  • the first motor is started, and the output shaft of the first motor drives the two-way screw to rotate.
  • the two-way screw will drive the two clamping blocks to move toward or against each other, and the two clamping blocks will realize the connection to the connecting shaft.
  • Clamping or loosening; the first adjustment assembly is simple in structure and easy to operate.
  • the utility model is further configured as follows: anti-skid patterns are provided on the two clamping blocks.
  • the provided anti-slip pattern can increase the coefficient of friction between the clamping block and the connecting shaft.
  • the utility model is further configured as follows: the lower end of the frame is provided with a roller; the frame is provided with a handle; the frame is provided with a hoist, the connecting rope on the hoist is provided with a hook; and the frame is provided with A hanging ring connected with the hook.
  • the cloth roll is placed in the frame, and then moved toward the frame; hook the hook on the hoisting machine's connecting rope with the hanging ring on the frame, and then start the motor on the hoist, the connecting rope will be Winding around the hoist, the connecting rope drives the frame with the cloth roll to move, which can reduce the force of the operator when pushing the frame.
  • the utility model is further configured as follows: both side walls of the frame are provided with a limiting plate, the limiting plate is provided with a guide plate, and the two guide plates are inclined in a direction away from each other.
  • the utility model is further configured as follows: the frame is provided with a second adjustment assembly connected with the limiting plate, and the second adjustment assembly includes a second motor arranged on the frame, the second motor The output shaft is keyed with a first gear; the frame is provided with a rotating shaft connected to it, the limiting plate is provided on the rotating shaft, and the rotating shaft is connected with a key to mesh with the first gear Second gear.
  • the second motor is started, the output shaft of the second motor drives the first gear to rotate, the second gear meshing with the first gear will rotate, the second gear drives the rotating shaft to rotate, and the rotating shaft drives the limiting plate to rotate ,
  • the limiting plate will drive the guide plate to rotate, reducing the area occupied by the unwinding machine when the unwinding machine does not unwind the cloth.
  • the fixed mechanism can improve the stability of the connecting shaft on the frame.
  • Figure 1 is a schematic diagram of the structure of the unwinding machine in the utility model
  • Figure 2 is a schematic diagram of the structure of the drive assembly in the present invention.
  • first adjusting component 51, first motor; 52, two-way screw rod; 61, limiting plate; 62, guide plate; 7, second adjusting component; 71 72, the second gear; 73, the second motor; 74, the rotating shaft; 8, the unwinding mechanism; 81, the first unwinding roller; 82, the second unwinding roller; 83, the third motor; 84.
  • an unwinding machine disclosed by the utility model includes a frame 1, on which a frame 14 is sequentially arranged along the cloth movement direction, a first guide roller 11 rotatably connected to the frame 1, and The second guide roller 12, the tensioning mechanism 2 and the unwinding mechanism 8 connected to the frame 1 are rotated.
  • the axis of the first guide roller 11 and the second guide roller 12 are parallel.
  • Both sides of the frame 1 are rotatably connected with a limiting plate 61, and a guide plate 62 is obliquely and fixedly connected to the limiting plate 61, and the two guide plates 62 are inclined in a direction away from each other.
  • the frame 1 is provided with a second adjustment assembly 7 which includes a rotating shaft 74 rotatably connected to the frame 1.
  • the two limiting plates 61 are fixedly connected to the rotating shaft 74, and the rotating shaft 74 is connected with a key A second gear 72; a second motor 73 is fixedly connected to the frame 1, and a first gear 71 meshing with the second gear 72 is keyed on the output shaft of the second motor 73.
  • a roller 15 is rotatably connected to the lower end of the frame 14, a handle 16 is fixedly connected to the upper end of the frame 14; a hanging ring is fixedly connected to the side of the frame 14 away from the handle 16.
  • One side of the frame 1 is provided with a hoisting machine 17, and the connecting rope of the hoisting machine 17 is connected with a hook which is hooked with a hanging loop.
  • the tensioning mechanism 2 includes a connecting shaft 24 rotatably connected to the frame 1, and an adjusting frame 23 is fixedly connected to the connecting shaft 24, and a first tension roller 21 and a first tension roller 21 are rotatably connected to both sides of the adjusting frame 23.
  • a drive assembly 3 is provided on the frame 1.
  • the drive assembly 3 includes an adjustment block 35 fixedly connected to the frame 1.
  • An adjustment rod 31 is rotatably connected to the adjustment block 35, and a turntable 34 is fixedly connected to one end of the adjustment rod 31.
  • a worm 32 is connected to the end of the rod 31 away from the turntable 34; one end of the connecting shaft 24 passes through the side wall of the frame 1, and a worm gear 33 meshing with the worm 32 is keyed on the end passing through the side wall of the frame 1.
  • a fixing mechanism 4 is provided on the frame 1.
  • the fixing mechanism 4 includes a connecting block 41 (refer to FIG. 1) fixedly connected to the side wall of the frame 1.
  • the connecting block 41 is provided with a sliding hole, and the sliding hole is connected with
  • the two clamping blocks 42 are provided with anti-slip patterns on the opposite ends of the two clamping blocks 42.
  • the connecting block 41 is provided with a first adjusting assembly 5, the first adjusting assembly 5 includes a two-way screw 52 rotatably connected in a sliding hole. The two ends of the two-way screw 52 have opposite thread directions.
  • the two-way screw 52 passes through the two clamping blocks 42.
  • the two clamping blocks 42 are respectively connected with the threads at both ends of the bidirectional screw 52; the connecting block 41 is provided with a first motor 51 connected with the bidirectional screw 52.
  • the unwinding mechanism 8 includes a fixed block 84 fixedly connected to the frame 1, and a first unwinding roller 81 is rotatably connected to one end of the fixed block 84 close to the frame 1.
  • the axis of the first unwinding roller 81 is connected to the first unwinding roller 81.
  • the axis of a guide roller 11 is parallel; a third motor 83 connected to the first unwinding roller 81 is fixedly connected to the fixed block 84; the end of the fixed block 84 away from the frame 1 is provided with a through hole along its vertical direction.
  • An adjustment block is slidably connected in the hole, and a second unwinding roller 82 is rotatably connected to the adjustment block.
  • the axis of the second unwinding roller 82 coincides with the axis of the first unwinding roller 81; the end of the fixed block 84 away from the frame 1
  • a cylinder 85 connected with the adjustment block is fixedly connected to the upper part.
  • the implementation principle of this embodiment is: start the second motor 73, the output shaft of the second motor 73 drives the first gear 71 to rotate, the second gear 72 meshing with the first gear 71 will rotate, and the second gear 72 will rotate.
  • the rotating shaft 74 is driven to rotate, the rotating shaft 74 drives the limiting plate 61 to rotate, and the limiting plate 61 drives the guide plate 62 to rotate so that the limiting plate 61 is perpendicular to the frame 1.
  • the air cylinder 85 is activated, and the piston rod of the air cylinder 85 drives the adjustment block to move to increase the distance between the first unwinding roller 81 and the second unwinding roller 82, and then the air cylinder 85 is closed.
  • the motor makes the connecting rope drive the frame 14 along the two guide plates 62 into the two limiting plates 61, and when the frame 14 hits the frame 1, the motor on the hoist 17 is turned off.
  • the piston rod of the air cylinder 85 drives the adjustment block to move, so that the distance between the first unwinding roller 81 and the second unwinding roller 82 is reduced, and the first unwinding roller 81 and the second unwinding roller 82 are both in conflict Cloth, and then close the cylinder 85.
  • the third motor 83 is activated, and the first unwinding roller 81 is driven to rotate by the third motor 83, and the cloth will be unwound.
  • the turntable 34 drives the adjustment rod 31 to rotate, the adjustment rod 31 drives the worm 32 to rotate, the worm gear 33 meshing with the worm 32 will rotate, the worm gear 33 drives the connection shaft 24 to rotate, and the connection shaft 24 drives the adjustment frame 23 to rotate, the adjustment frame
  • the positions of the first tension roller 21 and the second tension roller 22 on the 23 will change.
  • the first motor 51 is started, the output shaft of the first motor 51 drives the bidirectional screw 52 to rotate, and the bidirectional screw 52 drives the two clamping blocks 42 to move toward each other, so that the two clamping blocks 42 clamp the connecting shaft 24.

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  • Treatment Of Fiber Materials (AREA)
  • Unwinding Webs (AREA)

Abstract

一种退卷机，包括机架（1），机架上设置有退卷机构（8）和框架（14）；机架上还设置有张紧机构（2），张紧机构包括转动连接在机架上的连接轴（24），连接轴上设置有调节架（23），调节架上沿布的传动方向上依次转动连接有第一张紧辊（21）和第二张紧辊（22）；机架上设有与连接轴连接的驱动组件（3）。该退卷机在张紧机构能够实现对布料进行张紧，从而减少对退卷效果的影响。

Description

一种退卷机 技术领域
本实用新型涉及布料加工的技术领域，尤其是涉及一种退卷机。
背景技术
染整工艺是织物在一定的工艺条件下，通过染料、药剂和助剂在专用设备上进行的化学和物理加工过程。布匹在染整工艺之前，需要将成卷的布匹先打开，所用到的机器设备就是退卷机。
目前，授权公告号为CN207608151U的中国实用新型公开了一种退卷机，包括机架、驱动电机、传动辊，以及转动连接在传动辊两端的摆臂，驱动电机的转轴上同轴固定连接有驱动齿轮，传动辊的一端同轴固定连接有从动齿轮，驱动齿轮和从动齿轮之间设置有传动链条，驱动齿轮背向所述驱动电机的一侧面上设置有燕尾槽，燕尾槽内滑动连接有轴向平行于传动辊的第一连接轴，第一连接轴上转动连接有连杆，连杆背向第一连接轴的一端转动连接于摆臂上的第二连接轴，第一连接轴上还连接有控制其在燕尾槽内滑动的控制机构。
上述中的现有技术方案存在以下缺陷：上述退卷机没有对布实现张紧的机构，在传送的时候，布会出现松垮的现象，布松垮之后，退卷效果就会受到影响。
实用新型内容
针对上述现有技术存在的不足，本实用新型的目的在于提供一种退卷机，设置在张紧机构能够实现对布料进行张紧，从而减少对退卷效果的影响。
本实用新型的上述发明目的是通过以下技术方案得以实现的：
一种退卷机，包括机架，所述机架上设置有退卷机构；所述机架上设置有框架；所述机架上设置有张紧机构，所述张紧机构包括转动连接在所述机架上的连接轴，所述连接轴上设置有调节架，所述调节架上沿布的传动方向上依次转动连接有第一张紧辊和第二张紧辊；所述机架上与所述连接轴连接的驱动组件。
通过采用上述技术方案，布卷放置在框架内，然后先经过张紧机构的张紧再使用退卷机构进行退卷；布在经过退卷机构的时候，先卷绕在第一张紧辊上然后绕过第二张紧辊；设置在张紧机构能够实现对布料进行张紧，从而减少对退卷效果的影响。
本实用新型进一步设置为：所述驱动组件包括键连接在所述连接轴上的蜗轮；所述机架上设置有调节块，所述调节块上转动连接有调节杆，所述调节杆上设置有与所述蜗轮啮合的蜗杆。
通过采用上述技术方案，转动调节杆，调节杆就会带动蜗杆转动，与蜗杆啮合的蜗轮就会转动，蜗轮转动就会带动连接轴转动，连接轴带动调节架转动，第一张紧辊和第二张紧辊的位置就会发生变化，从而使第一张紧辊与第二张紧辊的位置发生变化，对布的张紧力就会变化。
本实用新型进一步设置为：所述机架上设置有固定机构，所述固定机构包括设置 在所述机架上的连接块，所述连接块开设有滑孔，所述滑孔内滑移连接有两个夹持块，两个所述夹持块抵触所述连接轴；所述连接块上设置有第一调节组件。
通过采用上述技术方案，启动第一调节组件，第一调节组件两个夹持块做相向或者相反运动，两个夹持块运动就会实现对连接轴的限定；设置的固定机构能够提高连接轴在机架上的稳定性。
本实用新型进一步设置为：所述第一调节组件包括转动连接在所述滑孔内的双向螺杆，所述双向螺杆穿过两个所述夹持块，两个所述夹持块分别与所述双向螺杆的两端螺纹连接；所述连接块上设置有与所述双向螺杆连接的第一电机。
通过采用上述技术方案，启动第一电机，第一电机的输出轴带动双向螺杆转动，双向螺杆就会带动两个夹持块做相向或者相反运动，两个夹持块就会实现对连接轴的夹持或者松开；设置的第一调节组件结构简单便于操作。
本实用新型进一步设置为：两个所述夹持块上均设置有防滑纹。
通过采用上述技术方案，设置的防滑纹能够提高夹持块与连接轴之间的摩擦系数。
本实用新型进一步设置为：所述框架下端设置有滚轮；所述框架上设置有把手；所述机架上设置有卷扬机，所述卷扬机上的连接绳上设置有挂钩；所述框架上设置有与所述挂钩连接的挂环。
通过采用上述技术方案，将布卷放置在框架内，然后朝机架的方向运动；将卷扬机连接绳上的挂钩与框架上的挂环钩在一起，然后启动卷扬机上的电机，连接绳就会绕在卷扬机，连接绳带动装有布卷的框架运动，能够减少操作人员在推动框架时的力。
本实用新型进一步设置为：所述机架的两个侧壁上均设置有限定板，所述限定板上设置有导向板，两个所述导向板朝相互远离的方向倾斜。
通过采用上述技术方案，框架抵触机架的时候，会通过两个导向板进入到两个限定板内，两个限定板能够防止框架晃动，从而提高框架在机架上的稳定性。
本实用新型进一步设置为：所述机架上设置有与所述限定板连接的第二调节组件，所述第二调节组件包括设置在所述机架上的第二电机，所述第二电机的输出轴上键连接有第一齿轮；所述机架上设置转动连接有转动轴，所述限定板设置在所述转动轴上，所述转动轴上键连接有与所述第一齿轮啮合的第二齿轮。
通过采用上述技术方案，启动第二电机，第二电机的输出轴带动第一齿轮转动，与第一齿轮啮合的第二齿轮就会转动，第二齿轮带动转动轴转动，转动轴带动限定板转动，限定板就会带动导向板转动，在退卷机不退卷布的时候，减少退卷机所占的面积。
综上所述，本实用新型的有益技术效果为：
1.设置在张紧机构能够实现对布料进行张紧，从而减少对退卷效果的影响；
2.设置的固定机构能够提高连接轴在机架上的稳定性。
附图说明
图1为本实用新型中退卷机的结构示意图；
图2为本实用新型中驱动组件的结构示意图。
附图标记：1、机架；11、第一导向辊；12、第二导向辊；14、框架；15、滚轮；16、把手； 17、卷扬机；2、张紧机构；21、第一张紧辊；22、第二张紧辊；23、调节架；24、连接轴；3、驱动组件；31、调节杆；32、蜗杆；33、蜗轮；34、转盘；35、调节块；4、固定机构；41、连接块；42、夹持块；5、第一调节组件；51、第一电机；52、双向螺杆；61、限定板；62、导向板；7、第二调节组件；71、第一齿轮；72、第二齿轮；73、第二电机；74、转动轴；8、退卷机构；81、第一退卷辊；82、第二退卷辊；83、第三电机；84、固定块；85、气缸。
具体实施方式
下面结合附图和实施例，对本实用新型进行详细描述。
参考图1，为本实用新型公开的一种退卷机，包括机架1，机架1上沿布运动方向上依次设置有框架14、转动连接在机架1上的第一导向辊11、转动连接在机架1上的第二导向辊12、张紧机构2和退卷机构8。
第一导向辊11的轴线和第二导向辊12平行。
机架1的两侧均转动连接有限定板61，限定板61上倾斜固定连接有导向板62，两个导向板62朝相互远离的方向倾斜。机架1上设置有第二调节组件7，第二调节组件7包括转动连接在机架1上的转动轴74，两个限定板61均与转动轴74固定连接，转动轴74上键连接有第二齿轮72；机架1上固定连接有第二电机73，第二电机73的输出轴上键连接有与第二齿轮72啮合的第一齿轮71。
框架14的下端转动连接有滚轮15，框架14的上端固定连接有把手16；框架14远离把手16的一侧上固定连接有挂环。机架1的一侧设置有卷扬机17，卷扬机17的连接绳上连接有与挂环钩在一起的挂钩。
参考图2，张紧机构2包括转动连接在机架1上的连接轴24，连接轴24上固定连接有调节架23，调节架23的两侧上分别转动连接有第一张紧辊21和第二张紧辊22。机架1上设置有驱动组件3，驱动组件3包括固定连接在机架1上的调节块35，调节块35上转动连接有调节杆31，调节杆31的一端上固定连接有转盘34，调节杆31远离转盘34的一端上连接有蜗杆32；连接轴24的一端穿过机架1的侧壁，且穿过机架1侧壁的一端上键连接有与蜗杆32啮合的蜗轮33。
机架1上设置有固定机构4，固定机构4包括固定连接在机架1侧壁上的连接块41(参考图1)，连接块41上开设有开设滑孔，滑孔内滑移连接有两个夹持块42，两个夹持块42相向的一端上均设置有防滑纹。连接块41上设置有第一调节组件5，第一调节组件5包括转动连接在滑孔内的双向螺杆52，双向螺杆52两端的螺纹方向相反，双向螺杆52穿过两个夹持块42，两个夹持块42分别与双向螺杆52两端的螺纹连接；连接块41上设置有与双向螺杆52连接的第一电机51。
参考图1，退卷机构8包括固定连接在机架1的固定块84，固定块84靠近机架1的一端上转动连接有第一退卷辊81，第一退卷辊81的轴线与第一导向辊11的轴线平行；固定块84上固定连接有与第一退卷辊81连接的第三电机83；固定块84远离机架1的一端沿其竖直方向上开设有通孔，通孔内滑移连接有调整块，调整块上转动连接有第二退卷辊82，第二退卷辊82的轴线与第一退卷辊81的轴线重合；固定块84远离机架1的一端上固定连接有与调整块连接的气缸85。
本实施例的实施原理为：启动第二电机73，第二电机73的输出轴带动第一齿轮71 转动，与第一齿轮71啮合的第二齿轮72就会转动，第二齿轮72转动就会带动转动轴74转动，转动轴74带动限定板61转动，限定板61带动导向板62转动，使限定板61与机架1垂直。
启动气缸85，气缸85的活塞杆带动调整块移动，使第一退卷辊81与第二退卷辊82之间的距离变大，然后关闭气缸85。
将布卷放置在框架14内，然后操作人员手握把手16，朝机架1的方向运动，然后将卷扬机17连接绳上的挂钩与框架14上的挂环钩在一起，然后启动卷扬机17上的电机，使连接绳带动框架14沿着两个导向板62进入到两个限定板61内，当框架14抵触机架1的时候关闭卷扬机17上的电机。
将框架14内的布先拉出卷绕在第一导向辊11上，接着绕过第二导向辊12，再绕过第一张紧辊21，接着绕过第二张紧辊22，最后穿过第一退卷辊81和第二退卷辊82之间。
启动气缸85，气缸85的活塞杆带动调整块移动，使第一退卷辊81与第二退卷辊82之间的距离变小，第一退卷辊81与第二退卷辊82均抵触布，然后关闭气缸85。
启动第三电机83，第三电机83的带动第一退卷辊81转动，布就会实现退卷。
转动转盘34，转盘34带动调节杆31转动，调节杆31带动蜗杆32转动，与蜗杆32啮合的蜗轮33就会转动，蜗轮33带动连接轴24转动，连接轴24带动调节架23转动，调节架23上的第一张紧辊21和第二张紧辊22的位置就会发生变化。启动第一电机51，第一电机51的输出轴带动双向螺杆52转动，双向螺杆52带动两个夹持块42做相向运动，使两个夹持块42夹紧连接轴24。
本具体实施方式的实施例均为本实用新型的较佳实施例，并非依此限制本实用新型的保护范围，故：凡依本实用新型的结构、形状、原理所做的等效变化，均应涵盖于本实用新型的保护范围之内。

Claims (8)

  1. 一种退卷机，包括机架(1)，所述机架(1)上设置有退卷机构(8)；所述机架(1)上设置有框架(14)；其特征在于，所述机架(1)上设置有张紧机构(2)，所述张紧机构(2)包括转动连接在所述机架(1)上的连接轴(24)，所述连接轴(24)上设置有调节架(23)，所述调节架(23)上沿布的传动方向上依次转动连接有第一张紧辊(21)和第二张紧辊(22)；所述机架(1)上与所述连接轴(24)连接的驱动组件(3)。
  2. 根据权利要求1所述的一种退卷机，其特征在于，所述驱动组件(3)包括键连接在所述连接轴(24)上的蜗轮(33)；所述机架(1)上设置有调节块(35)，所述调节块(35)上转动连接有调节杆(31)，所述调节杆(31)上设置有与所述蜗轮(33)啮合的蜗杆(32)。
  3. 根据权利要求1所述的一种退卷机，其特征在于，所述机架(1)上设置有固定机构(4)，所述固定机构(4)包括设置在所述机架(1)上的连接块(41)，所述连接块(41)开设有滑孔，所述滑孔内滑移连接有两个夹持块(42)，两个所述夹持块(42)抵触所述连接轴(24)；所述连接块(41)上设置有第一调节组件(5)。
  4. 根据权利要求3所述的一种退卷机，其特征在于，所述第一调节组件(5)包括转动连接在所述滑孔内的双向螺杆(52)，所述双向螺杆(52)穿过两个所述夹持块(42)，两个所述夹持块(42)分别与所述双向螺杆(52)的两端螺纹连接；所述连接块(41)上设置有与所述双向螺杆(52)连接的第一电机(51)。
  5. 根据权利要求3所述的一种退卷机，其特征在于，两个所述夹持块(42)上均设置有防滑纹。
  6. 根据权利要求1所述的一种退卷机，其特征在于，所述框架(14)下端设置有滚轮(15)；所述框架(14)上设置有把手(16)；所述机架(1)上设置有卷扬机(17)，所述卷扬机(17)上的连接绳上设置有挂钩；所述框架(14)上设置有与所述挂钩连接的挂环。
  7. 根据权利要求6所述的一种退卷机，其特征在于，所述机架(1)的两个侧壁上均设置有限定板(61)，所述限定板(61)上设置有导向板(62)，两个所述导向板(62)朝相互远离的方向倾斜。
  8. 根据权利要求7所述的一种退卷机，其特征在于，所述机架(1)上设置有与所述限定板(61)连接的第二调节组件(7)，所述第二调节组件(7)包括设置在所述机架(1)上的第二电机(73)，所述第二电机(73)的输出轴上键连接有第一齿轮(71)；所述机架(1)上设置转动连接有转动轴(74)，所述限定板(61)设置在所述转动轴(74)上，所述转动轴(74)上键连接有与所述第一齿轮(71)啮合的第二齿轮(72)。
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