WO2016082387A1 - 手提袋成型机及其袋体调头装置 - Google Patents

手提袋成型机及其袋体调头装置 Download PDF

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Publication number
WO2016082387A1
WO2016082387A1 PCT/CN2015/074833 CN2015074833W WO2016082387A1 WO 2016082387 A1 WO2016082387 A1 WO 2016082387A1 CN 2015074833 W CN2015074833 W CN 2015074833W WO 2016082387 A1 WO2016082387 A1 WO 2016082387A1
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WIPO (PCT)
Prior art keywords
bag body
roller
guide wheel
turning
forming machine
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PCT/CN2015/074833
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English (en)
French (fr)
Inventor
黎长坤
吴镇龙
李林全
吴一瑶
赵章奎
Original Assignee
范明龙
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Application filed by 范明龙 filed Critical 范明龙
Priority to DE112015005368.9T priority Critical patent/DE112015005368T5/de
Publication of WO2016082387A1 publication Critical patent/WO2016082387A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/261—Folding sheets, blanks or webs involving transversely folding, i.e. along a line perpendicular to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/04—Feeding sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents

Definitions

  • the present invention relates to a tote bag forming machine, and more particularly to a tote bag forming machine and a bag body turning device.
  • the tote bag forming machine has realized the automatic mass production of the tote bag, in which the folding into a cylinder, the bottom of the paste and the bottom of the bottom are the main processes of the tote forming machine.
  • Conventional tote forming machines usually arrange the forming devices in the order of the advancement direction of the bag body, such as a feeding device, a hem forming device, a bottom device, and a bottoming device.
  • conventional tote bags usually require a fold-over opening to the open end (ie, the open end is bent inwardly and abuts against the inner wall of the bag body) to increase the strength of the stringing hole. Therefore, the conventional tote bag also increases the folding process. A more common practice is to put the folding process last and manually, but this is very inefficient. To this end, some manufacturers have developed a fully automatic folding device, which is arranged on the tote forming machine to realize the automatic production of the folding bag top.
  • the optimal placement position of the folding process should be before the bottom process.
  • the existing tote bag is formed.
  • the bag body needs to be manually turned and then transferred to the bottom process to continue the operation.
  • the automatic continuous transition between the folding process and the bottom process cannot be realized, which greatly reduces the hand-held operation.
  • the production efficiency of the bag forming machine since the upper and lower processes are respectively directed to the two open ends of the bag, the existing tote bag is formed. After the machine is finished, the bag body needs to be manually turned and then transferred to the bottom process to continue the operation. The automatic continuous transition between the folding process and the bottom process cannot be realized, which greatly reduces the hand-held operation. The production efficiency of the bag forming machine.
  • the technical problem to be solved by the present invention is that the existing tote bag forming machine cannot realize the folding of the bag body.
  • the automatic continuous transition between the upper process and the bottom process reduces the problem of the production efficiency of the tote forming machine.
  • the technical solution adopted by the present invention is to provide a bag body turning device for a tote bag forming machine, comprising:
  • An input mechanism comprising a first frame and a first roller set rotatably disposed on the first bracket, the first roller set including an oppositely disposed drive shaft and a driven shaft, the drive shaft being axially side by side a plurality of sets of driving wheels and paper feed rollers are disposed, and the driven wheels are arranged side by side in the axial direction correspondingly with a plurality of sets of driven wheels and a platen roller, and one ends of the driving shaft and the driven shaft respectively pass through the first a driving gear and a driven gear are fixed to one side wall of the frame, and the driving gear and the driven gear mesh with each other;
  • a tumbling mechanism comprising a second frame and a second roller set disposed on the second bracket, the second roller set including a tumbling roller and a guide wheel mechanism rotatably disposed on the second bracket, a lower endless belt Arranging around the driving wheel and the turning roller, driving the turning roller to rotate, the upper endless belt is disposed around the driven wheel and the guide wheel mechanism, and the outer side surface is in close contact with the outer circumferential surface of the turning roller; Said annular belt and said lower endless belt conveying the bag body input by said input mechanism to said tumbling roller;
  • the guide wheel mechanism comprises:
  • the upper strut and the lower strut are respectively fixed on two opposite side walls of the second frame;
  • each set of the guide wheel set comprises two upper guide wheel seats and one lower guide wheel seat, one end of the two upper guide wheel seats is clamped and fixed on the upper brace side by side, and the other end respectively Rotating and providing an upper guide wheel, the two upper guide wheels are oppositely disposed and symmetrically disposed above and below the upper strut, and one end of the lower guide wheel mount is clamped and fixed on the lower brace, The other end is rotated to provide a lower guide wheel, and the lower guide wheel is located below the lower strut.
  • the upper endless belt surrounds at least half of the outer circumferential surface of the tumbling roller.
  • the two ends of the driven shaft are respectively provided with adjustment mechanisms for adjusting the pressure between the paper feed roller and the platen roller.
  • the adjustment mechanism comprises:
  • the slider has a cubic shape, and the inner end faces are provided with ribs on both sides, the center of the slider is provided with a stepped hole having a large inner and outer portions, and the two ends of the driven shaft are respectively provided with bearings, and the bearing The outer ends of the driven shaft respectively pass through corresponding bearings, and the small diameter portion of the stepped holes is adapted to the outer diameter of the end of the driven shaft, and the large diameter portion of the stepped hole and the driven shaft.
  • the outer diameters of the end-mounted bearings are matched, and the two ends of the driven shaft are respectively inserted into the stepped holes in the slider; the two opposite side walls of the first frame are provided with longitudinal chutes
  • the slider is slidably disposed in the longitudinal sliding slot, and the rib abuts against the inner side wall of the first frame;
  • a pressure plate disposed above the slider and fixed to the longitudinal sliding slot
  • the adjusting bolt is fixed at both ends to the pressing plate and the top surface of the sliding block, and the adjusting bolt is sleeved with a spring.
  • the present invention also provides a tote bag forming machine comprising a folding opening device and a paste bottom device, wherein the folding mouth device and the bottom device are provided with a bag body turning device of the tote forming machine of the above structure.
  • the bag body which has completed the folding process is turned to the bottom process by the turning mechanism, thereby realizing the automatic continuous operation of the bag forming machine and greatly improving the production efficiency of the bag.
  • the present invention has a simple structure and a low manufacturing cost.
  • FIG. 1 is a schematic view showing the working principle of a bag body turning device according to the present invention
  • FIG. 2 is a schematic perspective view of a bag body turning device according to the present invention.
  • Figure 3 is a partial view of Figure 2;
  • Figure 4 is a side view of the bag body turning device of the present invention.
  • Figure 5 is a schematic structural view of a slider of the present invention.
  • Figure 6 is a view showing the installation of the upper endless belt in the present invention.
  • Figure 7 is a schematic view showing the installation of the lower endless belt in the present invention.
  • FIG. 1 is a working principle diagram of a bag body turning device according to the present invention.
  • the direction of the arrow in FIG. 1 indicates the moving direction of the bag body 100.
  • the bag body is turned into the bag body turning device 200, and the bag body is turned around.
  • the device 200 turns the bag body 100 (the right side of the original bag body 100 is a bag mouth, and the left side of the bag body 100 is a bag mouth), and then falls to the paper board, and finally the bag body 100 after the head is turned by the paper pushing device Pushing it to the next step (the bottom device), so that the bag body 100 after the head turning is still moving in the original direction.
  • the bag body turning device of the bag forming machine provided by the present invention includes a first frame 300, a second frame 400, and a first roller.
  • the group 500 and the second roller group 600 are disposed on the first frame 300
  • the second roller group 600 is disposed on the second frame 400
  • the second frame 400 is further provided with a paper tray 700.
  • a paper pushing device 800 for pushing the bag body dropped onto the paper tray 700 out of the paper tray, and the paper tray 700 is disposed below the second roller group.
  • the first frame 300 and the first roller set 500 constitute an input mechanism of the bag body
  • the second frame 400 and the second roller set 600 constitute a turning mechanism of the bag body
  • the paper tray 700 and the paper pushing device 800 constitute a bag body Output mechanism.
  • the first roller set 500 includes a drive shaft 510 and a driven shaft 520.
  • the driving shaft 510 and the driven shaft 520 are respectively disposed on two opposite side walls of the first frame 300, and the driving shaft 510 is located below the driven shaft 520.
  • the driving shaft 510 is arranged side by side in the axial direction.
  • the driving wheel 511 and the paper feed roller 512 and the driven wheel 520 are arranged side by side in the axial direction correspondingly with a plurality of sets of driven wheels 521 and a platen roller 522.
  • One end of the drive shaft 510 passes through a side wall of the first frame 300 and is fixed. There is a driving gear 513.
  • One end of the driven shaft 520 passes through a side wall of the first frame 300, and a driven gear 523 is fixed. The driving gear 513 and the driven gear 523 mesh with each other.
  • the second roller set 600 includes a tumbling roller 610 and a guide wheel mechanism, and the rotating shaft 611 of the tumbling roller 610 is rotatably disposed on opposite side walls of the second frame 400.
  • the guide wheel mechanism includes an upper strut 621, a lower strut 622 and a plurality of sets of guide wheel sets, and two ends of the upper brace 621 and the lower brace 622 are respectively fixed on opposite side walls of the second frame 400, and are located in the U-turn The outside of the roller 610.
  • Each set of guide wheel sets includes two upper guide wheel seats 623 and one lower guide wheel seat 624.
  • One ends of the two upper guide wheel bases 623 are clamped and fixed on the upper brace 621, and the other end is respectively rotated to be provided with an upper guide wheel. 625, the two upper guide wheels 625 are oppositely disposed and symmetrically disposed above and below the upper brace 621.
  • One end of the lower guide wheel seat 624 is clamped and fixed to the lower brace 622, and the other end is rotated to be provided with a lower guide wheel 626, and the lower guide wheel 626 is located below the lower brace 622.
  • the upper endless belt 627 surrounds the driven wheel 521, the two upper guide rollers 625, and the lower guide wheel 626, and the outer side surface abuts against the outer circumferential surface of the tumbling roller 610.
  • the upper endless belt 627 surrounds at least half of the outer circumferential surface of the turning roller 610.
  • the lower endless belt 628 is wrapped around the driving wheel 511 and the turning roller 610.
  • the tumbling roller is driven by the lower endless belt to rotate.
  • the bag body After the bag body is input through the paper feed roller 512 and the platen roller 522, it passes between the upper endless belt 627 and the lower endless belt 628 and is conveyed to the U-turn roller 610, and the U-turn of the bag body is realized by the U-turn roller 610.
  • two upper end belts and two lower end belts are used for operation.
  • the driving wheel, the driven wheel, the paper feeding roller, the platen roller and the guide wheel group are two groups.
  • the implementation of the above solution is not limited to two upper endless belts and two lower endless belts, and only one or more than two may be provided.
  • the pressure between the paper feed roller and the platen roller can also be adjusted by an adjustment mechanism provided at both ends of the driven shaft 520.
  • the adjustment mechanism includes a slider 910, a pressure plate 920, and an adjustment bolt 930.
  • the slider 910 has a cubic shape, and the inner end faces the two sides with convex ribs 911.
  • the center of the slider 910 is provided with a small stepped hole inside and outside, and the two ends of the driven shaft are respectively provided with bearings.
  • the outer end of the driven shaft respectively passes through the corresponding bearing, and the small diameter portion 912 of the stepped hole is matched with the outer diameter of the end of the driven shaft, and the large diameter portion 913 of the stepped hole and the end of the driven shaft are mounted.
  • the outer diameters of the bearings are matched.
  • the two opposite side walls of the first frame 300 are provided with longitudinal sliding slots.
  • the slider 901 is slidably disposed in the longitudinal sliding slot, and the two ends of the driven shaft are respectively inserted into the slider 910.
  • the pressing plate 902 is disposed above the sliding block 901 and fixed with the longitudinal sliding groove, and the pressing plate 902 passes through the adjusting bolt 930 and the top of the sliding block 910.
  • the surface is fixed, and the adjusting bolt 930 is sleeved with a spring, so that the platen roller can be pressed on the paper feeding roller with a certain elastic force, and the distance between the slider and the pressing plate can be adjusted by adjusting the bolt 930, and the platen roller is adjusted.
  • the size of the pressure is fixed, and the adjusting bolt 930 is sleeved with a spring, so that the platen roller can be pressed on the paper feeding roller with a certain elastic force, and the distance between the slider and the pressing plate can be adjusted by adjusting the bolt 930, and the platen roller is adjusted.
  • the size of the pressure is fixed, and the adjusting bolt 9
  • the present invention also provides a tote bag forming machine comprising a folding mouth device and a paste bottom device, and a bag body turning device of the tote bag forming machine having the above structure between the folding mouth device and the bottom device.
  • the invention realizes the automatic turning of the bag body by the bag body turning device between the folding mouth device and the paste bottom device, so that the two different processes of the different ends of the bag body need to be automatically connected, thereby greatly improving the carrying capacity.
  • the production efficiency of the bag is simple and the manufacturing cost is low.

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Abstract

一种手提袋成型机及其袋体调头装置，袋体调头装置（200）包括输入机构、调头机构和输出机构，输入机构包括第一辊组（500），第一辊组（500）包括主动轴（510）和从动轴（520），主动轴（510）上沿轴向并排设有若干组主动轮（511）和输纸辊（512），从动轮（520）上沿轴向并排对应地设有若干组从动轮（521）和压纸辊（522）；调头机构包括第二辊组（600），第二辊组（600）包括调头辊（610）和导轮机构，下环形皮带（628）环绕主动轮（511）和调头辊（610）设置，上环形皮带（627）环绕从动轮（520）和导轮机构设置，上、下环形皮带将由输入机构输入的袋体（100）输送至调头辊调头；输出机构包括托纸盘（700）以及用于将袋体推出托纸盘的推纸装置（800）。该袋体调头装置利用调头机构将完成折上口工序的袋体调头后输出到糊底工序，实现了手提袋成型机的自动连续运行，提高了手提袋的生产效率。

Description

手提袋成型机及其袋体调头装置 技术领域
本发明涉及手提袋成型机，具体涉及手提袋成型机及其袋体调头装置。
背景技术
如今，手提袋成型机已经实现了手提袋的自动化批量生产，其中折边成筒、糊底和拉底是手提袋成型机的主要工序。传统的手提袋成型机通常是按照袋体前进方向的顺序布置各成型装置，如进料装置、折边成筒装置、糊底装置、拉底装置等。然而，传统的手提袋通常需要对敞口端进行折上口(即将敞口端向内弯折并紧贴在袋体的内壁上)，以提高穿绳孔的强度。因此，传统的手提袋还会增加折上口工序。比较常见的作法是将折上口工序放在最后，通过人工实现，但是这种作法效率很低。为此，有些厂家已经开发出了全自动折上口装置，布置在手提袋成型机上，实现了手提袋折上口的自动化生产。
折上口工序的最佳布置位置应当是位于糊底工序之前，然而，由于折上口工序与糊底工序分别针对的是袋体的两个敞口端进行，因此，现有的手提袋成型机，折上口工序完成后，需要人工将袋体调头后再转入糊底工序继续操作，无法实现袋体在折上口工序与糊底工序之间的自动连续转场，大大降低了手提袋成型机的生产效率。
为此，急需对现有的手提袋成型机进行改进，在折上口工序与糊底工序之间增加袋体自动调头装置，以实现手提袋成型机的自动连续运行。
发明内容
本发明所要解决的技术问题是现有的手提袋成型机无法实现袋体在折 上口工序与糊底工序之间的自动连续转场，从而降低了手提袋成型机的生产效率的问题。
为了解决上述技术问题，本发明所采用的技术方案是提供一种手提袋成型机的袋体调头装置，包括：
输入机构，包括第一机架和转动设置在所述第一支架上的第一辊组，所述第一辊组包括相对设置的主动轴和从动轴，所述主动轴上沿轴向并排设有若干组主动轮和输纸辊，所述从动轮上沿轴向并排对应地设有若干组从动轮和压纸辊，所述主动轴和从动轴的一端分别穿出所述第一机架的一个侧壁后固定有主动齿轮和从动齿轮，所述主动齿轮与所述从动齿轮相互啮合；
调头机构，包括第二机架和转动设置在所述第二支架上的第二辊组，所述第二辊组包括转动设置在所述第二支架上调头辊和导轮机构，下环形皮带环绕所述主动轮和所述调头辊设置，驱动所述调头辊转动，上环形皮带环绕从动轮和所述导轮机构设置，且外侧面紧贴在所述调头辊的外圆周面上；所述上环形皮带与所述下环形皮带将由所述输入机构输入的袋体输送至所述调头辊；
输出机构，设置在所述第二支架上，所述输出机构包括用于接收经所述调头机构输出落下的袋体的托纸盘以及用于将落入到所述托纸盘上的袋体推出托纸盘的推纸装置。
在上述方案中，所述导轮机构包括：
上撑杆和下撑杆，两端分别固定在所述第二机架的两相对侧壁上；
若干组导轮组，每组所述导轮组包括两个上导轮座和一个下导轮座，两个上导轮座的一端并排夹装固定在所述上撑杆上，另一端分别转动设有上导轮，两个所述上导轮相对设置且对称地布置在所述上撑杆的上方和下方，所述下导轮座的一端夹装固定在所述下撑杆上，另一端转动设有下导轮，所述下导轮位于所述下撑杆的下方。
在上述方案中，所述上环形皮带至少包围所述调头辊的外圆周面的一半。
在上述方案中，所述从动轴的两端分别设有用于调节所述输纸辊与所述压纸辊之间的压力的调节机构。
在上述方案中，所述调节机构包括：
滑块，呈立方体状，其内端面向两侧设有凸棱，所述滑块的中心设有内大外小的台阶孔，所述从动轴的两端分别套装有轴承，且所述从动轴的外端分别穿出相应的轴承，所述台阶孔的小直径部与所述从动轴的端部外径相适配，所述台阶孔的大直径部与所述从动轴端部安装的轴承的外径相匹配，所述从动轴的两端分别插装在滑块上的台阶孔内；所述第一机架的两个相对的侧壁上开有纵向滑槽，所述滑块滑动设置在纵向滑槽内，且所述凸棱抵靠在所述第一机架的内侧壁上；
压板，设置在所述滑块的上方且与所述纵向滑槽固定；
调节螺栓，两端分别与所述压板和所述滑块的顶面固定，所述调节螺栓上套设有弹簧。
本发明还提供了一种手提袋成型机，包括折上口装置和糊底装置，所述折上口装置与糊底装置之间设有上述结构的手提袋成型机的袋体调头装置。
本发明，利用调头机构将完成折上口工序的袋体调头后输出到糊底工序，从而实现了手提袋成型机的自动连续运行，大大提高了手提袋的生产效率。
另外，本发明结构简单，制造成本低。
附图说明
图1为本发明中袋体调头装置的工作原理示意图；
图2为本发明中袋体调头装置的立体结构示意图；
图3为图2的局部视图；
图4为本发明中袋体调头装置的侧视图；
图5为本发明中滑块的结构示意图；
图6为本发明中上环形皮带的安装示图；
图7为本发明中下环形皮带的安装示意图。
具体实施方式
下面结合说明书附图和具体实施方式对本发明做出详细的说明。
图1为本发明中袋体调头装置的工作原理图，图1中箭头的方向表示袋体100的运动方向，袋体100完成折上口工序后，进入袋体调头装置200，通过袋体调头装置200将袋体100调头(原袋体100的右侧为袋口，调头后袋体100的左侧为袋口)，然后下落至托纸板，最后由推纸装置将调头后的袋体100推入到下一个工序(糊底装置),从而使得调头后的袋体100仍然按照原来的方向前进。
图2为本发明中袋体调头装置的立体结构示意图，如图2所示，本发明提供的手提袋成型机的袋体调头装置包括第一机架300、第二机架400以及第一辊组500和第二辊组600，第一辊组500设置在第一机架300上，第二辊组600设置在第二机架400上，第二机架400上还设有托纸盘700和用于将落入到托纸盘700上的袋体推出托纸盘的推纸装置800，托纸盘700设置在第二辊组的下方。其中，第一机架300和第一辊组500构成袋体的输入机构，第二机架400和第二辊组600构成袋体的调头机构，托纸盘700和推纸装置800构成袋体的输出机构。
图3为图1的局部视图，图4为本发明中袋体调头装置的侧视图，如图2、图3和图4所示，第一辊组500包括主动轴510和从动轴520，主动轴510和从动轴520分别转动设置在第一机架300的两相对的侧壁上，且主动轴510位于从动轴520的下方，主动轴510上沿轴向并排设有若干组 主动轮511和输纸辊512，从动轮520上沿轴向并排对应地设有若干组从动轮521和压纸辊522，主动轴510的一端穿出第一机架300的一个侧壁后固定有主动齿轮513，从动轴520的一端穿出第一机架300的一个侧壁后固定有从动齿轮523，主动齿轮513与从动齿轮523相互啮合。
第二辊组600包括调头辊610和导轮机构，调头辊610的转动轴611转动设置在第二机架400的两相对的侧壁上。
导轮机构包括上撑杆621、下撑杆622以及若干组导轮组，上撑杆621和下撑杆622的两端分别固定在第二机架400的两相对侧壁上，且位于调头辊610的外侧。每组导轮组包括两个上导轮座623和一个下导轮座624，两个上导轮座623的一端并排夹装固定在上撑杆621上，另一端分别转动设有上导轮625，两个上导轮625相对设置且对称地布置在上撑杆621的上方和下方。下导轮座624的一端夹装固定在下撑杆622上，另一端转动设有下导轮626，下导轮626位于下撑杆622的下方。
如图6所示，上环形皮带627环绕在从动轮521、两导上导轮625和下导轮626上，且外侧面紧贴在调头辊610的外圆周面上。上环形皮带627至少包围调头辊610的外圆周面的一半。
如图7所示，下环形皮带628环绕在主动轮511和调头辊610上。调头辊由下环形皮带驱动其转动。
袋体经输纸辊512和压纸辊522输入后，经上环形皮带627和下环形皮带628之间并输送至调头辊610，通过调头辊610实现袋体的调头。
本具体实施例中，采用两条上环形皮带和两条下环形皮带进行操作，相应地，主动轮、从动轮、输纸辊、压纸辊以及导轮组均为两组。但是，上述方案的实施不局限于两条上环形皮带和两条下环形皮带，也可以仅设置一条，或者多于两条。
本发明提供的方案，还可以通过设置在从动轴520两端的调节机构调节输纸辊与压纸辊之间的压力。
如图4所示，调节机构包括滑块910、压板920和调节螺栓930。
如图5所示，滑块910呈立方体状，其内端面向两侧凸设有凸棱911，滑块910中心设有内大外小的台阶孔，从动轴的两端分别套装有轴承，且从动轴的外端分别穿出相应的轴承，台阶孔的小直径部912与从动轴的端部外径相适配，台阶孔的大直径部913与从动轴端部安装的轴承的外径相匹配，第一机架300的两个相对的侧壁上开有纵向滑槽，滑块901滑动设置在纵向滑槽内，从动轴的两端分别插装在滑块910上的台阶孔内，且凸棱911抵靠在第一机架的内侧壁上，压板902设置在滑块901的上方且与纵向滑槽固定，压板902通过调节螺栓930与滑块910的顶面固定，调节螺栓930上套设有弹簧，从而可以使压纸辊以一定的弹力压在输纸辊上，并且可以通过调节螺栓930调整滑块与压板之间的距离，调整压纸辊的压力大小。
本发明还提供了一种手提袋成型机，包括折上口装置和糊底装置，折上口装置与糊底装置之间设有上述结构的手提袋成型机的袋体调头装置。
本发明通过在折上口装置与糊底装置之间的袋体调头装置，实现了袋体的自动调头，从而使需要对袋体不同端进行操作两个相邻工序自动衔接，大大提高了手提袋的生产效率，并且结构简单，制造成本低。
本发明不局限于上述最佳实施方式，任何人应该得知在本发明的启示下作出的结构变化，凡是与本发明具有相同或相近的技术方案，均落入本发明的保护范围之内。

Claims (6)

  1. 手提袋成型机的袋体调头装置，其特征在于，包括：
    输入机构，包括第一机架和转动设置在所述第一支架上的第一辊组，所述第一辊组包括相对设置的主动轴和从动轴，所述主动轴上沿轴向并排设有若干组主动轮和输纸辊，所述从动轮上沿轴向并排对应地设有若干组从动轮和压纸辊，所述主动轴和从动轴的一端分别穿出所述第一机架的一个侧壁后固定有主动齿轮和从动齿轮，所述主动齿轮与所述从动齿轮相互啮合；
    调头机构，包括第二机架和转动设置在所述第二支架上的第二辊组，所述第二辊组包括转动设置在所述第二支架上调头辊和导轮机构，下环形皮带环绕所述主动轮和所述调头辊设置，驱动所述调头辊转动，上环形皮带环绕从动轮和所述导轮机构设置，且外侧面紧贴在所述调头辊的外圆周面上；所述上环形皮带与所述下环形皮带将由所述输入机构输入的袋体输送至所述调头辊；
    输出机构，设置在所述第二支架上，所述输出机构包括用于接收经所述调头机构输出落下的袋体的托纸盘以及用于将落入到所述托纸盘上的袋体推出托纸盘的推纸装置。
  2. 如权利要求1所述的手提袋成型机的袋体调头装置，其特征在于，所述导轮机构包括：
    上撑杆和下撑杆，两端分别固定在所述第二机架的两相对侧壁上；
    若干组导轮组，每组所述导轮组包括两个上导轮座和一个下导轮座，两个上导轮座的一端并排夹装固定在所述上撑杆上，另一端分别转动设有上导轮，两个所述上导轮相对设置且对称地布置在所述上撑杆的上方和下方，所述下导轮座的一端夹装固定在所述下撑杆上，另一端转动设有下导轮，所述下导轮位于所述下撑杆的下方。
  3. 如权利要求1所述的手提袋成型机的袋体调头装置，其特征在于， 所述上环形皮带至少包围所述调头辊的外圆周面的一半。
  4. 如权利要求1所述的手提袋成型机的袋体调头装置，其特征在于，所述从动轴的两端分别设有用于调节所述输纸辊与所述压纸辊之间的压力的调节机构。
  5. 如权利要求4所述的手提袋成型机的袋体调头装置，其特征在于，所述调节机构包括：
    滑块，呈立方体状，其内端面向两侧凸设有凸棱，所述滑块的中心设有内大外小的台阶孔，所述从动轴的两端分别套装有轴承，且所述从动轴的外端分别穿出相应的轴承，所述台阶孔的小直径部与所述从动轴的端部外径相适配，所述台阶孔的大直径部与所述从动轴端部安装的轴承的外径相匹配，所述从动轴的两端分别插装在滑块上的台阶孔内；所述第一机架的两个相对的侧壁上开有纵向滑槽，所述滑块滑动设置在纵向滑槽内，且所述凸棱抵靠在所述第一机架的内侧壁上；
    压板，设置在所述滑块的上方且与所述纵向滑槽固定；
    调节螺栓，两端分别与所述压板和所述滑块的顶面固定，所述调节螺栓上套设有弹簧。
  6. 手提袋成型机，包括折上口装置和糊底装置，其特征在于，所述折上口装置与糊底装置之间设有如权利要求1至5项任一项所述的手提袋成型机的袋体调头装置。
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