WO2018177015A1 - 一种夹包输送机构及其工作方法 - Google Patents

一种夹包输送机构及其工作方法 Download PDF

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Publication number
WO2018177015A1
WO2018177015A1 PCT/CN2018/074513 CN2018074513W WO2018177015A1 WO 2018177015 A1 WO2018177015 A1 WO 2018177015A1 CN 2018074513 W CN2018074513 W CN 2018074513W WO 2018177015 A1 WO2018177015 A1 WO 2018177015A1
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WO
WIPO (PCT)
Prior art keywords
finger cylinder
pocket
bag
station
driving
Prior art date
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PCT/CN2018/074513
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English (en)
French (fr)
Inventor
王志强
蔡松华
王桂桐
卢远计
何燕婷
陈燕虹
Original Assignee
漳州佳龙科技股份有限公司
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Application filed by 漳州佳龙科技股份有限公司 filed Critical 漳州佳龙科技股份有限公司
Publication of WO2018177015A1 publication Critical patent/WO2018177015A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10—Feeding, e.g. conveying, single articles
    • B65B35/16—Feeding, e.g. conveying, single articles by grippers
    • B65B35/18—Feeding, e.g. conveying, single articles by grippers by suction-operated grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/28—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines

Definitions

  • the invention relates to a clip conveying mechanism and a working method thereof.
  • the transition between the blanking and heat sealing of the existing two-sided packaging in the country is usually a simple belt conveying, and the pocket is free during the conveying process.
  • the invention solves the above problems, that is, the technical problem to be solved by the invention is that the existing packaging bag is only transported by the belt during the filling and heat sealing and the post-treatment process, and the state of the bag mouth cannot be determined, so that the sealing process cannot be smoothly carried out. .
  • a specific embodiment of the present invention is: a clip conveying mechanism, comprising a frame and a conveyor belt disposed on the frame for transporting the packaging bag, wherein the conveyor belt is provided with a bag clamping device and heat along the output direction of the conveyor belt.
  • a sealing device and a cold pressing device wherein the upper portions of the two sides of the conveyor belt are respectively provided with a finger cylinder group for clamping a pocket, the finger cylinder group including a first finger cylinder, a second finger cylinder, and a third finger cylinder,
  • the first finger cylinder, the second finger cylinder, and the third finger cylinder are fixed on a slider
  • the frame is provided with a first rail matched with the slider
  • the two sides of the conveyor belt are provided with a driving slider along the first A drive for sliding the guide rail.
  • the driving device includes a rack mounting plate disposed under the first rail, and a second rail disposed in a sliding manner is disposed under the rack mounting plate, and a rack is disposed on a lower surface of the rack mounting plate.
  • the frame is provided with a driving gear that meshes with the rack, and the surface of the rack mounting plate is provided with a pair of levers located on both sides of one of the cylinders of the finger cylinder.
  • the upper ends of the pair of levers have a connecting rod.
  • the driving gear is driven to rotate by a chain transmission mechanism.
  • the conveyor belt comprises a driving roller and a passive roller
  • the driving roller is coaxially disposed with a first sprocket
  • the frame is provided with a one-way clutch sprocket driven by a driving motor
  • the one-way clutch sprocket is the same
  • the shaft is fixed with a second sprocket
  • the first sprocket and the one-way clutch sprocket constitute a first chain transmission pair
  • the driving gear is coaxially fixed with a third sprocket
  • the second sprocket and the third sprocket constitute The second chain drive pair.
  • the bag-carrying device comprises a pair of bag inner plates hinged on the frame for extending the bag mouth, and an outer hinge of each bag inner plate is connected with a drive for driving the inner plate of the bag.
  • the device has a pocket crank on the side of the inner panel of each pocket, and the upper end of the pocket crank is slidably engaged with the inner panel of the pocket, and the lower end of the pocket has a lower end with the inner panel of the pocket to realize the clamping of the pocket.
  • the middle hinge of the bag crank is connected to the driving device, and when the driving device drives the inner plate of the bag to open, the upper end of the bag moves the upper end of the bag crank to rotate the bag crank around the middle hinge to realize the bag crank
  • the lower end pocket and the outer surface of the inner panel of the pocket cooperate with the pocket.
  • the heat sealing device comprises a pair of heat sealing bag plates for holding the bag mouth, wherein one heat sealing bag plate is provided with a heating strip, and the cold pressing device comprises a pair of cold holding the bag mouth Press the pocket board.
  • the present invention also includes a method of operating a pinch transport mechanism, which utilizes a pinch transport mechanism as described above, and specifically includes the following steps:
  • the servo motor rotates forward, driving the belt to the right to the distance of one station.
  • the first finger cylinder 310 is moved by the loading station to the heat sealing station under the driving of the lever 430.
  • the first finger cylinder 310 on both sides of the packaging bag is straightened and the first finger cylinder 310 is opened after the heat sealing operation is completed;
  • step (3) The servo motor reverses, the belt does not move, the second finger cylinder 320 moves from the cold pressing station to the heat sealing station and clamps both sides of the packaging bag, and the first finger cylinder 310 moves from the heat sealing station to the filling
  • the station repeats the action of step (2);
  • the servo motor rotates forward, and the belt moves to the cold pressing station synchronously with the second finger cylinder 320, and the second finger cylinder 320 is released after the cold pressing operation is completed;
  • the servo motor rotates forward, and the belt moves synchronously with the third finger cylinder 330 to move the material to the discharge station.
  • the invention has simple structure, and uses the pneumatic finger on both sides of the conveyor belt to reciprocate the circulation process of the whole packaging process, so that the package mouth can be fixed in the whole conveying process, and the uncertainty of the shape of the bag mouth is eliminated, so that each package is sealed. Consistent, the seal is flat.
  • Figure 1 is a schematic view of the overall structure of the present invention.
  • FIG. 2 is a schematic view showing the structure of a portion of a finger cylinder of the present invention.
  • FIG 3 is a partial schematic view showing the structure of the structure driving the finger cylinder according to the present invention.
  • Figure 4 is a schematic view of step 1 of the state of use of the present invention.
  • Figure 5 is a schematic view of step 2 of the state of use of the present invention.
  • Figure 6 is a schematic view of step 3 of the state of use of the present invention.
  • Figure 7 is a schematic view of step 4 of the state of use of the present invention.
  • Figure 8 is a schematic view of step 5 of the state of use of the present invention.
  • Figure 9 is a schematic view of step 6 of the state of use of the present invention.
  • Figure 10 is a schematic view showing the structure of the bagging device of the present invention.
  • a clip conveying mechanism includes a frame 10 and a conveyor belt 20 disposed on the frame 10 for transporting the packaging bag.
  • the conveyor belt 20 is provided with a pocket in the output direction of the conveyor belt.
  • the device 101, the heat sealing device 102 and the cold pressing device 103 are provided with a finger cylinder group for holding the bag mouth, and the finger cylinder group includes the corresponding bag device 101 in an initial state.
  • the first finger cylinder 310, the second finger cylinder 320, and the third finger cylinder 330 under the heat sealing device 102 and the cold pressing device 103, the first finger cylinder, the second finger cylinder, and the third finger cylinder are fixed to the same slip
  • the frame 340 is provided with a first rail 110 that cooperates with the slider, and two sides of the conveyor belt 20 are provided with driving devices for driving the slider 340 to slide along the first rail 110.
  • the driving device includes a rack mounting plate 40 disposed under the first rail 110, and the second rail 120 is slidably engaged with the rack mounting plate 40.
  • the lower surface of the rack mounting plate 40 is provided with a rack 410.
  • the rack is provided with a driving gear 130 that meshes with the rack 410.
  • the upper surface of the rack mounting plate 40 is provided with a pair of levers 430, and the levers are provided. 430 is located on either side of the second finger cylinder 320 in the finger cylinder group.
  • the lever 430 abuts against the second finger cylinder 320 to push the second finger cylinder 320 to move the slider 340.
  • the first sprocket 131 and the one-way clutch sprocket 132 are formed on the frame to form a first chain transmission pair.
  • the first sprocket 131 is coaxial with the belt driving roller 210, and the unidirectional clutch sprocket 132 is the same.
  • the shaft is fixed with a second sprocket 133, and the second sprocket 133 and the third sprocket 134 constitute a second chain transmission pair.
  • the first sprocket 131 drives the belt to the left under the action of the first chain transmission pair; under the action of the second chain transmission pair, both sides of the conveyor belt
  • the driving gear 130 rotates at the same time, and the driving gear 130 meshes with the gear rack by the driving gear 130 to drive the lever 430 and the second finger cylinder 320 to move to the next working station in the discharging direction.
  • the one-way clutch sprocket 132 is no longer rotated, so that the belt does not operate.
  • the second chain drive pair drives the gear to rotate clockwise, thereby driving the second finger cylinder 320 to move in one direction to the previous process.
  • the upper ends of the pair of levers have a link 431.
  • the bag-carrying device includes a pair of pocket inner plates 510 hingedly connected to the frame for opening the bag mouth, and the outer hinge connection of each bag inner plate 510 is useful.
  • the driving cylinder 520 for driving the inner panel of the pocket is provided with a pocket crank 530 on the side of each pocket inner panel 510.
  • the upper end of the pocket crank 530 is slidably engaged with the upper portion of the inner panel 510 of the pocket, and the pocket crank 530 is clamped.
  • the lower end has a pocket clip 531 which cooperates with the lower end of the inner panel of the pocket to realize the clamping pocket.
  • the middle of the pocket crank 530 is hingedly connected to the driving cylinder 520.
  • the driving device drives the inner panel 510 of the pocket to open, the inner panel of the pocket is opened.
  • the upper end of the 510 dials the upper end of the pocket crank 530 to rotate the pocket crank around the middle hinge to realize the pocket clamp of the lower end of the pocket crank 530 and the outer surface of the inner pocket 510 of the pocket to act on the pocket.
  • the inner pocket 510 of the pocket and the gripper crank 530 are driven by the driving force of the cylinder 520 to balance the interaction force between the two, and the upper end of the pocket crank 530 stops sliding along the inclined surface of the upper end of the pocket, and the inner panel of the pocket is clamped at this time.
  • the 510 and the bag holder 531 are pressed against each other, and both are in a locked state.
  • the heat sealing device comprises a pair of heat sealing bag plates for holding the bag mouth, wherein one heat sealing bag plate is provided with a heating strip, and the cold pressing device comprises a pair of cold pressing pockets for holding the bag mouth board.
  • the motor rotates forward, and the belt is driven to the right by a distance of a station.
  • the first finger cylinder 310 is moved by the loading station to the heat sealer under the driving of the lever 430. Bit.
  • the first finger cylinder 310 on both sides of the packaging bag is straightened and the first finger cylinder 310 is opened after the heat sealing operation is completed;
  • step (3) As shown in Fig. 6, the servo motor is reversed, the belt does not move, the second finger cylinder 320 is moved from the cold pressing station to the heat sealing station and clamps both sides of the package, and the first finger cylinder 310 is heated.
  • the sealing station moves to the filling station to repeat the action of step (2);
  • the servo motor rotates forward, and the belt moves to the cold pressing station synchronously with the second finger cylinder 320, and the second finger cylinder 320 is released after the cold pressing operation is completed;
  • the servo motor is reversed, the belt does not move, and the third finger cylinder 330 is moved from the discharge station to the cold press station and clamps both sides of the package. And the second finger cylinder 320 is moved from the cold pressing station to the heat sealing station to repeat the action of the step (3);
  • the servo motor rotates forward, and the belt moves synchronously with the third finger cylinder 330 to move the material to the discharge station.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)

Abstract

一种夹包输送机构及其工作方法，包括机架（10）及设置于机架（10）上用于传输包装袋的传送带（20），所述传送带（20）上方沿传送带（20）输出方向依次设有夹袋装置（101）、热封装置（102）及冷压装置（103），所述传送带（20）的两侧上部各设置有用于夹持袋口的手指气缸组，所述手指气缸组包括第一手指气缸（310）、第二手指气缸（320）、第三手指气缸（330），第一手指气缸（310）、第二手指气缸（320）、第三手指气缸（330）固定于一滑块（340）上，所述机架上设有与滑块配合的第一导轨（110），传送带（20）的两侧设有驱动滑块（340）沿第一导轨（110）滑动的驱动装置。该夹包输送机构结构简单，在整个包装工序的循环过程中，利用传送带两侧的气动手指往复动作，在整个输送过程中都能够固定包装袋口，排除了袋口形状的不确定性，使每一包装袋热封位置一致，封口平整。

Description

一种夹包输送机构及其工作方法 技术领域
本发明涉及一种夹包输送机构及其工作方法。
 背景技术
国内现有的两面包装在落料与热封之间的过渡环节通常只是简单的皮带输送，而袋口在输送的过程中处于自由状态。
 技术问题
为了在热封的时候能使封口平整通常需要其他的理袋机构来处理袋口，工序繁杂。另一方面，袋口状态的不确定性则使理袋效果各种各样，从而导致封口封不到，倾斜等问题。
 技术解决方案
本发明对上述问题进行了改进，即本发明要解决的技术问题是现有的包装袋在灌装与热封及后处理过程中仅仅采用皮带输送，袋口状态无法确定导致封口工序无法顺利进行。
本发明的具体实施方案是：一种夹包输送‪机构，包括机架及设置于机架上用于传输包装袋的传送带，所述传送带上方设沿传送带输出方向依次设有夹袋装置、热封装置及冷压装置，所述传送带的两侧上部各设置有用于夹持袋口的手指气缸组，所述手指气缸组包括第一手指气缸、第二手指气缸、第三手指气缸，所述第一手指气缸、第二手指气缸、第三手指气缸固定于一滑块上，所述机架上设有与滑块配合的第一导轨，所述传送带的两侧设有驱动滑块沿第一导轨滑动的驱动装置。
进一步的，所述驱动装置包括设置于第一导轨下方的齿条安装板，所述齿条安装板下方设有与其滑动配合的第二导轨，所述齿条安装板下表面设有齿条，机架上设有与齿条啮合的主动齿轮，所述齿条安装板上表面设置有一对拨杆，所述拨杆位于手指气缸组中其中一个气缸的两侧。
进一步的，所述一对拨杆上端具有连杆。
进一步的，所述主动齿轮由链传动机构带动转动。
进一步的，所述传送带包括驱动滚轮及被动滚轮，所述驱动滚轮同轴设置有第一链轮，所述机架上设有由驱动电机驱动的单向离合链轮，单向离合链轮同轴固定有第二链轮，所述第一链轮与单向离合链轮构成第一链条传动副，主动齿轮同轴固定有第三链轮，所述第二链轮与第三链轮构成第二链条传动副。
进一步的，所述夹袋装置包括上端铰链连接于机架上用于撑开袋口的一对夹袋内板，各个夹袋内板的外侧铰链连接有用于驱动夹袋内板张合的驱动装置，各个夹袋内板旁侧设有夹袋曲柄，所述夹袋曲柄的上端与夹袋内板上部滑动配合，夹袋曲柄的下端具有与夹袋内板下端配合实现夹紧袋口的袋夹，所述夹袋曲柄中部铰链连接于驱动装置上，当驱动装置驱动夹袋内板张开时，夹袋内板上端拨动夹袋曲柄上端使夹袋曲柄绕中部铰接处转动实现夹袋曲柄下端的袋夹与夹袋内板外表面共同作用于袋口。
进一步的，所述热封装置包括一对用于夹持袋口的热封夹袋板，其中一个热封夹袋板设有加热条，所述冷压装置包括一对夹持袋口的冷压夹袋板。
本发明还包括一种夹包输送机构工作方法，利用如上所述的一种夹包输送机构，具体包括以下步骤:
1) 灌装完成后，伺服电机反转，第二手指气缸打开由热封工位向夹袋工位移动并夹住包装袋100两侧，夹袋装置松开并往上移动脱离包装袋口。此移动过程中皮带不动作；
2)  伺服电机正转，带动皮带往右走一个工位的距离，第一手指气缸310在拨杆430的带动下夹着物料由灌装工位移动至热封工位。包装袋两侧第一手指气缸310拉直包装袋完成热封动作后第一手指气缸310打开；
3)  伺服电机反转，皮带不动作，第二手指气缸320由冷压工位移动至热封工位并夹紧包装袋两侧，第一手指气缸310则由热封工位移动至灌装工位重复步骤（2）的动作；
4)  伺服电机正转，皮带与第二手指气缸320同步移动至冷压工位，待冷压动作完成之后第二手指气缸320松开；
5)  伺服电机反转，皮带不动作，而第三手指气缸330由出料工位移动至冷压工位并夹住包装袋两侧。而第二手指气缸320由冷压工位移动至热封工位重复步骤（3）的动作；
6)  伺服电机正转，皮带与第三手指气缸330同步移动，将物料移动至出料工位。
 有益效果
本发明结构简单，利用传送带两侧的气动手指往复动作整个包装工序的循环过程，使整个输送过程中都能够固定包装袋口，排除了袋口形状的不确定性，使每一包热封位置一致，封口平整。
 附图说明
图1为本发明整体结构示意图。
图2为本发明夹包手指气缸部分结构示意图。
图3为本发明结构驱动手指气缸移动结构局部示意图。
图4为本发明使用状态步骤1示意图。
图5为本发明使用状态步骤2示意图。
图6为本发明使用状态步骤3示意图。
图7为本发明使用状态步骤4示意图。
图8为本发明使用状态步骤5示意图。
图9为本发明使用状态步骤6示意图。
图10为本发明夹袋装置结构示意图。
 本发明的最佳实施方式
下面结合附图和具体实施方式对本发明做进一步详细的说明。
如图1～4所示, 一种夹包输送机构，包括机架10及设置于机架10上用于传输包装袋的传送带20，所述传送带20上方设沿传送带输出方向依次设有夹袋装置101、热封装置102及冷压装置103，所述传送带20的两侧上部各设置有用于夹持袋口的手指气缸组，所述手指气缸组包括初始状态下分别对应夹袋装置101、热封装置102及冷压装置103下方的第一手指气缸310、第二手指气缸320、第三手指气缸330，所述第一手指气缸、第二手指气缸、第三手指气缸固定于一同一滑块340上，所述机架340上设有与滑块配合的第一导轨110，所述传送带20的两侧设有驱动滑块340沿第一导轨110滑动的驱动装置。
本实施例中，第一手指气缸310、第二手指气缸320、第三手指气缸330三个手指气缸的间距一致，且与夹袋装置101、热封装置102及冷压装置103的各个工位间的距离相对应，本实施例中，所述驱动装置包括设置于第一导轨110下方的齿条安装板40，所述齿条安装板40下方设有与其滑动配合的第二导轨120，所述齿条安装板40的下表面设有齿条410，机架上设有与齿条410啮合的主动齿轮130，所述齿条安装板40上表面设置有一对拨杆430，所述拨杆430位于手指气缸组中第二手指气缸320的两侧。
当齿条安装板40平移时拨杆430抵顶第二手指气缸320从而推动第二手指气缸320带动滑块340移动。本实施例中机架上设有由第一链轮131与单向离合链轮132构成第一链条传动副，第一链轮131与传送带驱动滚筒210同轴，单向离合链轮132上同轴固定有第二链轮133，第二链轮133与第三链轮134构成第二链条传动副。驱动单向离合链轮132的伺服电机135正转时，在第一链条传动副的作用下，第一链轮131驱动皮带往左传动；在第二链条传动副的作用下，传送带两侧的主动齿轮130同时转动，主动齿轮130通过条410啮合与主动齿轮130构成的齿轮齿条副带动拨杆430与第二手指气缸320同步往出料方向移动至下一个工位的距离。当伺服电机135反转时，单向离合链轮132不再转动，从而皮带不动作。而第二链条传动副则带动齿轮顺时针转动，从而带动第二手指气缸320往上一道工序移动一个方向的距离。
本实施例中，为了更好地实现对拨杆430的固定，所述一对拨杆上端具有连杆431。
如图10所示，本实施例中，所述夹袋装置包括上端铰链连接于机架上用于撑开袋口的一对夹袋内板510，各个夹袋内板510的外侧铰链连接有用于驱动夹袋内板张合的驱动气缸520，各个夹袋内板510旁侧设有夹袋曲柄530，所述夹袋曲柄530的上端与夹袋内板510上部滑动配合，夹袋曲柄530的下端具有与夹袋内板下端配合实现夹紧袋口的袋夹531，所述夹袋曲柄530中部铰链连接于驱动气缸520上，当驱动装置驱动夹袋内板510张开时，夹袋内板510上端拨动夹袋曲柄530上端使夹袋曲柄绕中部铰接处转动实现夹袋曲柄530下端的袋夹与夹袋内板510外表面共同作用于袋口。
夹袋内板510与夹袋曲柄530在气缸520驱动力下，使两者的相互作用力达到平衡，夹袋曲柄530上端就停止沿夹袋口上端的斜面向上滑动，此时夹袋内板510与袋夹531相互压紧，两者处于锁止状态。
所述热封装置包括一对用于夹持袋口的热封夹袋板，其中一个热封夹袋板设有加热条，所述冷压装置包括一对夹持袋口的冷压夹袋板。
工作时，如图按照以下步骤:
（1）如图4所示，灌装完成后，伺服电机反转，第二手指气缸打开由热封工位向夹袋工位移动并夹住包装袋100两侧，夹袋装置松开并往上移动脱离包装袋口。此移动过程中皮带不动作；
（2）如图5所示，服电机正转，带动皮带往右走一个工位的距离，第一手指气缸310在拨杆430的带动下夹着物料由灌装工位移动至热封工位。包装袋两侧第一手指气缸310拉直包装袋完成热封动作后第一手指气缸310打开；
（3）如图6所示，伺服电机反转，皮带不动作，第二手指气缸320由冷压工位移动至热封工位并夹紧包装袋两侧，第一手指气缸310则由热封工位移动至灌装工位重复步骤（2）的动作；
（4）如图7所示，伺服电机正转，皮带与第二手指气缸320同步移动至冷压工位，待冷压动作完成之后第二手指气缸320松开；
（5）如图8所示，伺服电机反转，皮带不动作，而第三手指气缸330由出料工位移动至冷压工位并夹住包装袋两侧。而第二手指气缸320由冷压工位移动至热封工位重复步骤（3）的动作；
（6）如图9所示，伺服电机正转，皮带与第三手指气缸330同步移动，将物料移动至出料工位。
以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所做的均等变化与修饰，皆应属本发明的涵盖范围。

Claims (7)

  1. 一种夹包输送机构，其特征在于，包括机架及设置于机架上用于传输包装袋的传送带，所述传送带上方设沿传送带输出方向依次设有夹袋装置、热封装置及冷压装置，所述传送带的两侧上部各设置有用于夹持袋口的手指气缸组，所述手指气缸组包括第一手指气缸、第二手指气缸、第三手指气缸，所述第一手指气缸、第二手指气缸、第三手指气缸固定于一滑块上，所述机架上设有与滑块配合的第一导轨，所述传送带的两侧设有驱动滑块沿第一导轨滑动的驱动装置。
  2. 根据权利要求1所述的一种夹包输送机构，其特征在于，所述驱动装置包括设置于第一导轨下方的齿条安装板，所述齿条安装板下方设有与其滑动配合的第二导轨，所述齿条安装板下表面设有齿条，机架上设有与齿条啮合的主动齿轮，所述齿条安装板上表面设置有一对拨杆，所述拨杆位于手指气缸组中其中一个气缸的两侧。
  3. 根据权利要求2所述的一种夹包输送机构，其特征在于，所述一对拨杆上端具有连杆。
  4. 根据权利要求3所述的一种夹包输送机构，其特征在于，所述主动齿轮由链传动机构带动转动。
  5. 根据权利要求4所述的一种夹包输送机构，其特征在于，所述传送带包括驱动滚轮及被动滚轮，所述驱动滚轮同轴设置有第一链轮，所述机架上设有由驱动电机驱动的单向离合链轮，单向离合链轮同轴固定有第二链轮，所述第一链轮与单向离合链轮构成第一链条传动副，主动齿轮同轴固定有第三链轮，所述第二链轮与第三链轮构成第二链条传动副。
  6. 根据权利要求1所述的一种夹包输送机构，其特征在于，所述夹袋装置包括上端铰链连接于机架上用于撑开袋口的一对夹袋内板，各个夹袋内板的外侧铰链连接有用于驱动夹袋内板张合的驱动装置，各个夹袋内板旁侧设有夹袋曲柄，所述夹袋曲柄的上端与夹袋内板上部滑动配合，夹袋曲柄的下端具有与夹袋内板下端配合实现夹紧袋口的袋夹，所述夹袋曲柄中部铰链连接于驱动装置上，当驱动装置驱动夹袋内板张开时，夹袋内板上端拨动夹袋曲柄上端使夹袋曲柄绕中部铰接处转动实现夹袋曲柄下端的袋夹与夹袋内板外表面共同作用于袋口。
  7. 根据权利要求1所述的一种夹包输送机构，其特征在于，所述热封装置包括一对用于夹持袋口的热封夹袋板，其中一个热封夹袋板设有加热条，所述冷压装置包括一对夹持袋口的冷压夹袋板。
    8. 一种夹包输送机构工作方法，其特征在于，利用如权利要求5所述的一种夹包输送机构，具体包括以下步骤:
    1) 灌装完成后，伺服电机反转，第二手指气缸打开由热封工位向夹袋工位移动并夹住包装袋100两侧，夹袋装置松开并往上移动脱离包装袋口。此移动过程中皮带不动作；
    2)  伺服电机正转，带动皮带往右走一个工位的距离，第一手指气缸310在拨杆430的带动下夹着物料由灌装工位移动至热封工位。包装袋两侧第一手指气缸310拉直包装袋完成热封动作后第一手指气缸310打开；
    3)   伺服电机反转，皮带不动作，第二手指气缸320由冷压工位移动至热封工位并夹紧包装袋两侧，第一手指气缸310则由热封工位移动至灌装工位重复步骤（2）的动作；
    4)  伺服电机正转，皮带与第二手指气缸320同步移动至冷压工位，待冷压动作完成之后第二手指气缸320松开；
    5)  伺服电机反转，皮带不动作，而第三手指气缸330由出料工位移动至冷压工位并夹住包装袋两侧。而第二手指气缸320由冷压工位移动至热封工位重复步骤（3）的动作；
    6) 伺服电机正转，皮带与第三手指气缸330同步移动，将物料移动至出料工位。
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