WO2024027757A1 - 二次脱口装置 - Google Patents

二次脱口装置 Download PDF

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Publication number
WO2024027757A1
WO2024027757A1 PCT/CN2023/110731 CN2023110731W WO2024027757A1 WO 2024027757 A1 WO2024027757 A1 WO 2024027757A1 CN 2023110731 W CN2023110731 W CN 2023110731W WO 2024027757 A1 WO2024027757 A1 WO 2024027757A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction cup
upper suction
bearing surface
assembly
lever
Prior art date
Application number
PCT/CN2023/110731
Other languages
English (en)
French (fr)
Inventor
王榴根
Original Assignee
王侃祺
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.)
Filing date
Publication date
Application filed by 王侃祺 filed Critical 王侃祺
Publication of WO2024027757A1 publication Critical patent/WO2024027757A1/zh

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Classifications

    • 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
    • B31B70/74—Auxiliary operations
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated

Definitions

  • the present application relates generally to the technical field of packaging bag production equipment, and more specifically to a secondary outlet device.
  • the cutting method of woven bags is generally adopted.
  • the open end of the heated woven bag will be bonded to varying degrees, which is not conducive to opening the open end of the woven bag with the woven bag.
  • mouth rubbing devices such as rubbing rollers
  • the hot melt knife are generally used to rub and open the bag mouth to prepare for the next process of inserting the inner film bag.
  • the roller rubbing process there is still a situation where the bag mouth is still partially adhered, and the two ends of the bag mouth cannot be guaranteed to be connected, which may easily cause the failure of the inner bag, resulting in a reduction in the pass rate.
  • a secondary escape device which includes:
  • a bearing component the bearing component is connected to the support frame, the bearing component has a bearing surface for bearing the cut woven bag;
  • An upper suction cup assembly is movably disposed above the load-bearing surface in a height direction.
  • the upper suction cup assembly is disposed corresponding to an end of the load-bearing surface along the length direction.
  • the height direction is perpendicular to On the bearing surface, the length direction is perpendicular to the height direction, and the upper suction cup assembly is used to absorb the upper bag surface of the woven bag;
  • a lower suction cup assembly the lower suction cup assembly is connected to the bearing surface and is arranged opposite to the upper suction cup assembly, the lower suction cup assembly is used to absorb the lower side bag surface of the woven bag;
  • a first driving component is connected to the upper suction cup assembly and used to drive the upper suction cup assembly to move along the height direction;
  • a lever which is rotatably arranged above the load-bearing surface around a rotation center axis parallel to the height direction, and is used to open the mouth of the woven bag;
  • a second driving component is connected to the lever and is used to drive the lever to rotate around the central axis of rotation.
  • the lever rotates between the first position and the second position around the central axis of rotation, which is located outside the upper suction cup assembly along the length direction, and the lever The projection of the rotation trajectory on the bearing surface is partially located within the positioning area where the bearing surface positions the woven bag;
  • levers located at the first position and the second position are located outside the positioning area along the length direction.
  • the end of the bearing surface along the length direction is provided with a void for air flow to pass through, the void is located in the middle of the bearing surface along the width direction, and the lower suction cup assembly is sealingly connected to On the bearing surface around the vacant portion, the width direction is perpendicular to the length direction and the height direction.
  • the upper suction cup assembly includes a first upper suction cup and a second upper suction cup, and the projections of the first upper suction cup and the second upper suction cup on the bearing surface are respectively located along the edge of the positioning area.
  • the lower suction cup assembly includes a first lower suction cup and a second lower suction cup.
  • the first lower suction cup is located below the first upper suction cup.
  • the second lower suction cup is located below the second upper suction cup.
  • the void portion includes a first void portion configured as a suction hole of the first lower suction cup and a second void portion configured to at least partially accommodate the suction hole.
  • the receiving opening of the second lower suction cup, the upper surface of the first lower suction cup and the upper surface of the second lower suction cup are both flush with the bearing surface.
  • the lever is provided with two groups, and the two groups of levers respectively correspond to the first upper suction cup and the second upper suction cup.
  • the first upper suction cup and an adjacent group of the levers are movably connected to the support frame along the length direction;
  • the secondary escape device also includes:
  • Adjustment components are respectively connected to the first upper suction cup and an adjacent group of the levers to adjust the distance between the first upper suction cup and the second upper suction cup;
  • a locking assembly is provided to the support frame and used to limit the movement of the first upper suction cup and an adjacent group of the levers.
  • the secondary escape device also includes:
  • the movable cross beam is arranged along the width direction, the movable cross beam is movably connected to the support frame along the length direction, the first upper suction cup is connected to an adjacent group of the levers to the movable beam;
  • the adjustment components include:
  • the screw rod is pivotably connected to the nut seat around its own axis, and the screw rod is threadedly matched with the nut seat, and the axis of the screw rod is parallel to the length direction.
  • the locking assembly includes:
  • a first locking hole configured to extend radially inward from the outer wall of the nut seat to the inner wall of the nut seat;
  • a first locking bolt is connected to the first locking hole. During the rotation of the first locking bolt, the first locking bolt can abut the screw rod. outer surface to limit the screw rotation.
  • the upper suction cup assembly includes:
  • a suction cup body the lower surface of which has an upper suction hole for adsorbing the woven bag
  • a pressure plate is provided at both ends of the suction cup body along the width direction, and the lower surface of the pressure plate is flush with the lower surface of the suction cup body.
  • the same group of said levers includes two said levers, said levers are connected to two said second driving assemblies in one-to-one correspondence, and the two said levers are respectively connected to said bearing surface.
  • the two ends of the width direction correspond to each other.
  • the second drive component is configured as a rotary cylinder
  • the output shaft of the rotary cylinder is connected to the lever
  • the axis of the output shaft of the rotary cylinder is configured as the rotation center axis
  • the first drive assembly is configured as a linear cylinder with a piston rod connected to the upper suction cup assembly.
  • levers in the same group are close to each other and the length direction of the lever is parallel to the width direction.
  • the two levers of the same group are staggered along the height direction.
  • the secondary escape device also includes:
  • a connector the connector is connected to the output shaft of the rotary cylinder, the connector has a mounting hole for passing the lever and a second locking hole intersecting the mounting hole;
  • the second locking bolt is connected to the second locking hole and threadably matches the second locking hole. During the rotation of the second locking bolt, the second locking bolt The second locking bolt can abut against the outer surface of the lever to limit the movement of the lever in the installation hole.
  • the lever includes:
  • a rod body one end of which corresponds to the central axis of rotation
  • the dialing part is arranged along the length direction of the rod body. One end of the dialing part is connected to the other end of the rod body.
  • the dialing part is configured as a flexible and elastic rubber sleeve. , the dialing part is used to contact and remove the adhesion of the bag mouth of the woven bag.
  • At least one of the two second driving assemblies is movably disposed on the support frame along the width direction;
  • the secondary escape device also includes:
  • a third locking bolt connected to the second drive assembly, the third locking bolt detachably connected to the support frame to allow the second drive assembly to be tightened to the support frame.
  • the heated woven bag is carried through the bearing surface on the bearing component; an upper suction cup assembly is provided above the end of the bearing surface along the length direction, and the upper suction cup assembly can move along the height direction to To achieve closeness and distance from the load-bearing surface, the upper suction cup assembly close to the load-bearing surface can absorb the upper bag surface of the woven bag located on the load-bearing surface; the lower suction cup assembly is connected to the load-bearing surface and corresponds to the upper suction cup assembly, and is used to absorb the upper side of the woven bag located on the load-bearing surface. The lower side of the woven bag.
  • the upper side bag surface and the lower side bag surface of the bag mouth of the woven bag located on the load-bearing surface can be adsorbed respectively, so that the upper side bag surface and the lower side bag surface are kept away from each other, thereby This allows the bonding of the bag mouth to be separated to a certain extent.
  • the ends of the woven bag can be divided, so that the adhesions at the ends of the woven bag are separated.
  • Figure 1 is a front view of a secondary escape device according to a preferred embodiment of the present application.
  • Figure 2 is a top view of the secondary escape device shown in Figure 1, in which the lever is located in the first avoidance position;
  • Figure 3 is an enlarged view of part I in Figure 2;
  • Figure 4 is a right view of the secondary take-off device shown in Figure 1;
  • Figure 5 is a bottom view of the secondary escape device shown in Figure 1;
  • Figure 6 is a perspective view of the secondary take-off device shown in Figure 1;
  • Figure 7 is an enlarged view of part II in Figure 6;
  • Figure 8 is an enlarged view of part III in Figure 6;
  • Figure 9 is a perspective view of the connection structure between the rotary cylinder and the lever in Figures 1 to 4 and Figures 7 and 8.
  • the secondary escape device includes a support frame 100, a load-bearing assembly 110, an upper suction cup assembly 120, a lower suction cup assembly 130, a first driving assembly, a lever 140, and a second driving assembly.
  • the load bearing component 110 is connected to Support frame 100.
  • the carrying component 110 has a carrying surface 111 for carrying the cut woven bag.
  • the upper suction cup assembly 120 is movably disposed above the bearing surface 111 along the height direction D3.
  • the upper suction cup moves downward and approaches the load-bearing surface 111 to adsorb the upper bag surface of the woven bag placed on the load-bearing surface 111; the upper suction cup moves upward away from the load-bearing surface 111, allowing the woven bag to move between the upper suction cup assembly 120 and the load-bearing surface. 111 or removed from the upper suction cup assembly 120 and the bearing surface 111 .
  • the upper suction cup assembly 120 is disposed corresponding to the end of the bearing surface 111 along the length direction D1, so that the upper suction cup can correspond to the end of the woven bag placed on the bearing surface 111 in the length direction D1.
  • the height direction D3 is perpendicular to the bearing surface 111 .
  • the length direction D1 is perpendicular to the height direction D3.
  • the lower suction cup assembly 130 is connected to the bearing surface 111 and is opposite to the upper suction cup assembly 120 .
  • the lower suction cup assembly 130 is used to absorb the lower side bag surface of the woven bag.
  • the upper suction cup assembly 120 is close to the woven bag, and the upper suction cup assembly 120 and the lower suction cup assembly 130 simultaneously adsorb the upper and lower bag surfaces of the woven bag, the end of the woven bag can be supported to a certain extent. open. If the adhesion of the end of the woven bag after cutting is not too serious, the adhesion of the end of the woven bag can be completely separated by the action of the upper suction cup assembly 120 and the lower suction cup assembly 130 .
  • the first driving component is connected to the upper suction cup component 120 and is used to drive the upper suction cup component 120 to move along the height direction D3.
  • the lever 140 is rotatably disposed above the bearing surface 111 around a rotation center axis AX1 parallel to the height direction D3.
  • the lever 140 is used to open the mouth of the woven bag.
  • the second driving component is connected to the lever 140 and is used to drive the lever 140 to rotate around the rotation center axis AX1.
  • the heated woven bag is carried through the bearing surface 111 on the bearing component 110 .
  • the upper suction cup assembly 120 is disposed above the end of the bearing surface 111 along the length direction D1, and the upper suction cup assembly 120 can move along the height direction D3 to approach and move away from the bearing surface 111.
  • the upper suction cup assembly 120 close to the bearing surface 111 can absorb the upper side bag surface of the woven bag located on the bearing surface 111 .
  • the lower suction cup assembly 130 is connected to the bearing surface 111 and corresponds to the upper suction cup assembly 120, and is used to absorb the lower side bag surface of the woven bag located on the bearing surface 111.
  • the upper side bag surface and the lower side bag surface of the bag opening of the woven bag located on the carrying surface 111 can be adsorbed respectively, so that the upper side bag surface and the lower side bag surface mutually absorb each other. Far away, so that the bonding point of the bag mouth can be separated to a certain extent.
  • the lever 140 that rotates around the rotation center line the ends of the woven bag can be divided, so that the adhesions at the ends of the woven bag are separated.
  • the lever 140 can rotate about the rotation center axis AX1 between a first position and a second position.
  • the rotation center axis AX1 is located outside the upper suction cup assembly 120 along the length direction D1.
  • the bearing surface 111 has a positioning area for positioning the woven bag.
  • the shape and size of the positioning area are adapted to the shape and size of the woven bag, and the length direction D1 of the positioning area is consistent with the length direction D1 of the bearing surface 111 . It can be understood that the positioning area is located within the boundary of the bearing surface 111 .
  • the positioning area may be the same size as the bearing surface 111 , or may be smaller than the bearing surface 111 .
  • the projection of the rotation track of the lever 140 on the bearing surface 111 is partially located within the positioning area, thereby ensuring that the lever 140 can pass through the mouth of the woven bag during rotation, and then the upper suction cup assembly 120 and the lower suction cup assembly 130 When the bag mouth of the woven bag is partially opened, the lever 140 can extend into the bag mouth to separate the remaining adhesions.
  • the lever 140 located at the first position and the second position is located outside the positioning area along the length direction D1. Since the rotation center axis AX1 is located outside the upper suction cup assembly 120 , either one of the lever 140 located at the first position and the second position may be parallel to the width direction D2 of the bearing surface 111 , or may be slightly inclined to the bearing surface 111 The width direction D2. This ensures that the woven bag is prevented from interfering with the lever 140 when the woven bag is moved to and from the bearing surface 111 .
  • an end portion of the bearing surface 111 along the length direction D1 may have a void for airflow to pass through.
  • the vacant portion is located in the middle of the bearing surface 111 along the width direction D2.
  • the lower suction cup assembly 130 is arranged corresponding to the void and is sealingly connected to the bearing surface 111 around the void.
  • the width direction D2 is perpendicular to the length direction D1 and the height direction D3, and the width direction D2 and the length direction D1 are respectively two different directions arranged along the horizontal direction.
  • the suction hole of the lower suction cup is adapted to the arrangement range of the void.
  • the airflow can flow from top to bottom from the position of the void to the lower suction cup assembly 130, thereby being able to align with the bearing surface 111.
  • the woven bag implements adsorption.
  • the upper suction cup assembly 120 may include a first upper suction cup 121 and a second upper suction cup 122 .
  • the projections of the first upper suction cup 121 and the second upper suction cup 122 on the bearing surface 111 are respectively located at both ends of the positioning area along the length direction D1.
  • the lower suction cup assembly 130 includes a first lower suction cup 131 and a second lower suction cup 132 .
  • the first lower suction cup 131 is disposed correspondingly below the first upper suction cup 121 .
  • the second lower suction cup 132 is disposed correspondingly below the second upper suction cup 122 .
  • the projection of the first upper suction cup 121 and the second upper suction cup 122 on the bearing surface 111 defines the positions of both ends of the positioning area along the length direction D1.
  • the length dimension of the woven bag suitable for the secondary outlet device can also be determined.
  • both ends in the length direction D1 of the woven bag can be respectively adsorbed, so as to at least partially expand the end opening of the woven bag.
  • the vacancy may include a first vacancy 1111 and a second vacancy 1112 .
  • the first vacancy 1111 is configured as a suction hole of the first lower suction cup 131 . That is, the adsorption surface of the first lower suction cup 131 is configured as a part of the bearing surface 111 .
  • the second vacancy 1112 is configured as a receiving opening for at least partially receiving the second lower suction cup 132 . After the second lower suction cup 132 is assembled into the receiving opening, the upper surface of the second lower suction cup 132 is flush with the bearing surface 111 .
  • the lever 140 may be provided with two groups.
  • the two sets of levers 140 correspond to the first upper suction cup 121 and the second upper suction cup 122 respectively.
  • the first upper suction cup 121 and an adjacent set of levers 140 are movably connected to the support frame 100 along the length direction D1.
  • the secondary escape device may also include an adjustment component and a locking component.
  • the adjustment components are respectively connected to the first upper suction cup 121 and an adjacent set of levers 140 to adjust the distance between the first upper suction cup 121 and the second upper suction cup 122 and the spacing between the two sets of levers 140 to adapt to different lengths.
  • the locking assembly is provided to the support frame 100 to limit the movement of the first upper suction cup 121 and the adjacent set of levers 140, thereby limiting the distance between the first upper suction cup 121 and the second upper suction cup 122 to adapt to the corresponding length of the woven bag. .
  • the secondary escape device also includes a fixed beam 160 and a movable beam 150. Both the fixed beam 160 and the movable beam 150 are arranged along the width direction D2.
  • the fixed beam 160 is fixedly connected to the support frame 100 .
  • the movable beam 150 is movably connected to the support frame 100 along the length direction D1.
  • the first upper suction cup 121 and an adjacent set of levers 140 are connected to the movable beam 150 .
  • the adjustment assembly includes a nut seat 151 and a screw rod 152 .
  • the nut seat 151 is connected to the movable beam 150 .
  • the screw rod 152 is pivotally connected to the nut seat 151 around its own axis, and the screw rod 152 is threadedly matched with the nut seat 151 .
  • the axis of the screw 152 is parallel to the length direction D1.
  • slide blocks 156 are installed at both ends of the movable beam 150
  • slide rails 155 are installed on the support frame 100.
  • the extension direction and length of the slide rail 155 are The degree direction D1 is consistent, so that the movable beam 150 can move along the length direction D1 with the first upper suction cup 121 and a set of levers 140 .
  • a nut seat 151 can be added to the support frame 100 to connect and support the other end of the screw rod 152 .
  • a hand wheel 154 can be installed on the end of the screw rod 152 away from the second upper suction cup 122.
  • the distribution range of the lower suction holes on the first lower suction cup 131 along the length direction D1 can be the same as that of the first upper suction cup 121 along the length direction D1 along the movable beam 150. suitable for the movement range.
  • the first lower suction cup 131 can also be movable along the length direction D1.
  • a vacant area may be opened on the bearing surface 111 , and the vacant area is used to at least partially accommodate the first lower suction cup 131 and adapt the movement of the first lower suction cup 131 along the length direction D1 .
  • the locking assembly may include a first locking hole and a first locking bolt 153 .
  • the first locking hole may be configured to extend radially inward from the outer wall of the nut seat 151 to the inner wall of the nut seat 151 .
  • the first locking bolt 153 is connected in the first locking hole. During the rotation of the first locking bolt 153 , the first locking bolt 153 can abut against the outer surface of the screw rod 152 , thereby limiting the rotation of the screw rod 152 .
  • the upper suction cup assembly 120 includes a suction cup body 1211 and a pressure plate 1212 .
  • the lower surface of the suction cup body 1211 has upper suction holes for absorbing woven bags.
  • the pressing plate 1212 is provided at both ends of the suction cup body 1211 along the width direction D2.
  • the lower surface of the pressure plate 1212 is flush with the lower surface of the suction cup body 1211 .
  • the upper suction cup assembly 120 is arranged along the width direction D2 of the bearing surface 111, with the suction cup body 1211 located in the middle and the pressure plates 1212 located at both ends. When in use, the suction cup body 1211 is used to absorb the upper bag surface of the woven bag through negative pressure suction.
  • the pressure plate 1212 and the lower surface of the suction cup body 1211 exert a downward force on the woven bag to make the end of the woven bag flat, thereby preventing the upper surface of the woven bag from being Wrinkles cannot be reliably absorbed by the suction cup body 1211, thereby helping to improve the adsorption effect of the upper suction cup assembly 120.
  • the upper suction cup assembly 120 can be brought close to the bearing surface 111 again, and the negative pressure suction of the upper suction cup assembly 120 can be released at the same time.
  • first upper suction cup 121 and the second upper suction cup 122 may adopt the structure of the upper suction cup assembly 120 here.
  • the configurations of the first upper suction cup 121 and the second upper suction cup 122 may be the same.
  • a weight reduction hole 1212a can be provided on the pressure plate 1212.
  • the shape of the weight-reducing hole 1212a includes, but is not limited to, a round hole and an oblong hole.
  • the same set of levers 140 may include two levers 140 .
  • the two levers 140 are connected to the two second driving assemblies in a one-to-one correspondence.
  • the two levers 140 respectively correspond to both ends of the bearing surface 111 in the width direction D2.
  • the two levers 140 can respectively divide the two ends of the bag mouth width direction D2 of the woven bag, and then can divide the two ends of the bag mouth width direction D2 of the woven bag. Reliable dividing operations are implemented at both ends to ensure that the adhesions at the mouth of the woven bag can be separated more reliably.
  • the degree of adhesion in the middle of the bag mouth will be lighter than the degree of adhesion at the ends.
  • the upper suction cup assembly 120 and the lower suction cup assembly 130 are used to open the middle part of the bag mouth.
  • the lever 140 extends into the belt from the expanded opening and sweeps across both ends to further separate the adhesions at the ends and even the middle of the bag.
  • the first drive assembly may be configured as a linear cylinder 170 .
  • the piston rod of the linear cylinder 170 is connected to the upper suction cup assembly 120 .
  • the second drive assembly may be configured as a rotary cylinder 180 .
  • the output shaft of the rotary cylinder 180 is connected to the lever 140 .
  • the axis of the output shaft of the rotary cylinder 180 is configured as the rotation center axis AX1. The starting timing of the rotating cylinder 180 may be when the upper suction cup assembly 120 rises to the upper limit position.
  • the height of the upper suction cup assembly 120 located at the upper limit position is higher than the height of the lever 140 . In this way, when the upper suction cup assembly 120 and the lower suction cup assembly 130 cooperate to open the middle part of the bag mouth of the woven bag, the lever 140 can reliably extend into the bag to separate the adhesion of the bag mouth.
  • the rotation angle range of the rotation cylinder 180 driving the lever 140 may be 180°.
  • the two levers 140 in the same group are close to each other and the length direction D1 of the lever 140 may be parallel to the width direction D2.
  • the rotating cylinder 180 When the rotating cylinder 180 is working, the lever 140 can be driven to enter from the middle of the bag mouth, then move to both ends, and finally move out of the bag mouth from both ends. Due to the position of the rotary cylinder 180 relative to the positioning area along the length direction D1 and the width direction D2, a certain movement trajectory and range of the lever 140 in the positioning area will be produced. Therefore, it is necessary to adjust the position of the rotating cylinder 180 according to the size and boundary of the positioning area before use, so as to achieve reliable positioning of the bag mouth and prevent the lever 140 from being damaged due to interference with the woven bag. Woven bag.
  • the two levers 140 of the same group may be staggered along the height direction D3 to prevent the two levers 140 from interfering when they are close to each other.
  • the secondary escape device may also include a connector 181 and a second locking bolt.
  • the connector 181 is connected to the output shaft of the rotary cylinder 180 .
  • the connector 181 has a mounting hole for passing the lever 140 and a second locking hole 181a intersecting the mounting hole.
  • the second locking bolt is connected in the second locking hole 181a and threadably matches with the second locking hole 181a.
  • the second locking bolt can contact the outer surface of the lever 140 to limit the lever.
  • the lever 140 By rotating the second locking bolt in the direction of loosening the second locking bolt until the second locking bolt is disengaged from the outer surface of the lever 140 , the lever 140 can be allowed to move in the installation hole, so that the lever 140 can be adjusted. is used to divide the length of the working part at the adhesion point of the bag mouth, and then adjust the dividing range of the lever 140.
  • the lever 140 may include a lever body 141 and a lever portion 142 .
  • One end of the rod body 141 corresponds to the rotation center axis AX1.
  • the dial portion 142 is provided along the length direction D1 of the rod body 141 .
  • One end of the dial portion 142 is connected to the other end of the rod body 141 .
  • the dialing portion 142 can be configured as a flexible and elastic rubber sleeve, and the dialing portion 142 is used to contact and remove the adhesion of the bag mouth of the woven bag.
  • the advantage of providing a flexible and elastic rubber sleeve as a part is that the end of the lever 140 can contact the end of the bag mouth along the width direction D2 as much as possible, thereby further ensuring that the ends of the bag mouth can be completely separated. , and will not cause damage to the end of the bag mouth, so as to prevent the remaining adhesive portion from being inaccessible by the lever 140.
  • the dial part 142 is made of rigid material, such as a metal rod, it is likely to damage the woven bag. The reason is that woven bags are flexible.
  • the size of the opened opening is likely to be different, so each time the bag is The position of the end of the mouth may also be different, and the rigid material dial part 142 cannot adapt well to each posture of the bag mouth, thereby increasing the chance of damage to the woven bag.
  • the dial portion 142 may also be constructed of a rigid material.
  • the two second driving assemblies are movably provided on the support frame 100 along the width direction D2.
  • the two second driving assemblies here can be understood as two second driving assemblies located at the same end of the length direction D1, such as the two second driving assemblies corresponding to the two levers 140 of the same group.
  • the secondary escape device of the present application may also include a third locking bolt.
  • the third locking bolt is connected to the second drive assembly.
  • the third locking bolt is detachably connected to the support frame 100 to allow the second drive assembly to be fastened to the support frame 100 and to unlock the position of the second drive assembly.
  • the second driving component may be, for example, the above-mentioned rotary cylinder 180.
  • the rotary cylinder 180 is connected to the lever 140, and the position of the rotary cylinder 180 defines the position of the rotation center of the lever 140.
  • the bag opening requirements of woven bags of different width sizes can be adapted.
  • the rotary cylinder 180 is mounted on the movable beam 150 via an angle plate 184 .
  • the movable cross beam 150 may be an aluminum profile with closed grooves on all sides.
  • the bolt cover of the third locking bolt is connected in the groove. When the nut adapted to the locking bolt is loosened, the bolt cover can move along the length direction of the groove.
  • One of the plates of the angle plate 184 is used to install the rotating cylinder 180, and the other plate of the angle plate 184 is provided with a third locking hole 184a.
  • the third locking hole 184a may be configured as an oblong hole extending in the height direction D3.
  • the third locking bolt passes through the third locking hole 184a to install the nut.
  • the locking nut locks the position of the rotating cylinder 180. Loosening the nut can move the rotating cylinder 180 along the width direction D2, thereby adjusting the position of the rotating cylinder 180.
  • the position of the rotary cylinder 180 close to the next process along the width direction D2 can be fixed, while the position of the rotary cylinder 180 close to the previous process along the width direction D2 can be set to be adjustable using this embodiment.
  • the above-mentioned bearing assembly 110 may be configured as a horizontally arranged bearing plate.
  • the upper surface of the bearing plate is used as the bearing surface 111 .
  • the load-bearing plate is a rectangular plate.
  • the support frame 100 may include end longitudinal beams 101 , end cross beams 102 and end columns 103 .
  • Four end columns 103 are provided, and the four end columns 103 are respectively vertically fixed at the four corners of the load-bearing plate.
  • Two end longitudinal beams 101 are provided.
  • the two end longitudinal beams 101 are respectively arranged above the two ends of the load-bearing plate along the width direction D2.
  • the two ends of the end longitudinal beams 101 are respectively connected to two adjacent end columns 103.
  • the two end beams 102 are respectively arranged above the two ends of the load-bearing plate along the length direction D1, and the two ends of the end beams 102 are respectively connected to two adjacent end columns 103.
  • the above-mentioned movable beam 150 is parallel to The end beam 102 is connected to the end beam 102, and the two ends of the movable beam 150 are respectively connected to the slide blocks 156, and the slide rails 155 are installed on the end longitudinal beam 101.
  • the fixed beam 160 described above may be configured as the end beam 102 here.
  • a rectangular material opening is formed between the end longitudinal beam 101, the bearing surface 111 and the end column 103 adjacent to the end longitudinal beam 101, and the material opening allows the woven bag to pass through.
  • the material port close to the previous process can be called the feed port, and the material port close to the next process can be called the discharge port.
  • the end cross beam 102, the end longitudinal beam 101 and the end column 103 can all adopt an aluminum profile rod in the prior art.
  • the cross-sectional outline of the aluminum profile rod is square, and the four surfaces parallel to the length direction of the rod are all Has grooves. From the cross-section of the aluminum profile, the grooves are all in the shape of a closed mouth.
  • the grooves can be configured as, but are not limited to, dovetail grooves or T-shaped grooves.
  • the linear cylinder 170 as the first driving component can also be mounted on the support frame 100 through bolts via a connecting plate.
  • the first upper suction cup 121, the second upper suction cup 122, the first lower suction cup 131, and the second lower suction cup 132 can all be welded by metal plates and air tightness is considered in the manufacturing process.
  • a negative pressure device capable of providing negative pressure airflow can be configured and connected to the first upper suction cup 121, the second upper suction cup 122, the first lower suction cup 131, and the second lower suction cup 121, 122, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131,
  • the suction cup 132 is provided with solenoid valves on different air pipe fittings.
  • the controlled end of each solenoid valve can be connected to a control device.
  • solenoid valves can also be provided on the air pipe fittings of the above-mentioned rotary cylinder 180 and linear air rod, and each solenoid valve is also connected to the control device.
  • the control device has a built-in preset control program. According to the control program, the control device controls the opening and closing status and opening and closing sequence of each solenoid valve, thereby controlling the first upper suction cup 121, the second upper suction cup 122, the first lower suction cup 131, The purpose of the operating status of the second lower suction cup 132, the rotating cylinder 180 and the linear air rod.

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Abstract

一种二次脱口装置，包括支撑架(100)、承载组件(110)、上吸盘组件(120)、下吸盘组件(130)、第一驱动组件、拨杆(140)及第二驱动组件，承载组件(110)连接至支撑架(100)，承载组件(110)具有承载表面(111)；上吸盘组件(120)沿高度方向可移动地设置至承载表面(111)上方，上吸盘组件(120)与承载表面(111)的沿长度方向的端部对应设置；下吸盘组件(130)连接至承载表面(111)，并与上吸盘组件(120)相对设置；第一驱动组件连接至上吸盘组件(120)，用以驱动上吸盘组件(120)沿高度方向移动；拨杆(140)绕旋转中心轴线可旋转地设置于承载表面(111)上方；第二驱动组件连接至拨杆(140)，用于驱动拨杆(140)绕旋转中心轴线旋转。这种二次脱口装置能够确保编织袋的端部袋口被可靠地分开，进而有助于在双层袋的生产过程中提高套内袋的良率。

Description

二次脱口装置 技术领域
本申请总地涉及包装袋生产设备的技术领域，更具体地涉及一种二次脱口装置。
背景技术
编织袋的切分普遍采用热切方式。而热切后的编织袋的开口端会有不同程度的粘结，不利于用编织袋打开编织袋的开口端。目前，一般采用热熔刀两端的搓口装置(比如搓辊)对袋口进行揉搓打开，从而为下一工序套内膜袋做准备。然而，经辊搓揉搓处理以后，仍然存在袋口局部仍粘连的情况，无法保证袋口的两端贯通，容易会造成套内袋失败的故障，导致合格率降低。
因此，需要提供一种二次脱口装置，以至少部分地解决上述问题。
发明内容
在发明内容部分中引入了一系列简化形式的概念，这将在具体实施方式部分中进一步详细说明。本申请的发明内容部分并不意味着要试图限定出所要求保护的技术方案的关键特征和必要技术特征，更不意味着试图确定所要求保护的技术方案的保护范围。
为至少部分地解决上述问题，本申请提供一种二次脱口装置，所述二次脱口装置包括：
支撑架；
承载组件，所述承载组件连接至所述支撑架，所述承载组件具有用于承载热切后的编织袋的承载表面；
上吸盘组件，所述上吸盘组件沿高度方向可移动地设置至所述承载表面的上方，所述上吸盘组件与所述承载表面的沿长度方向的端部对应设置，所述高度方向垂直于所述承载表面，所述长度方向垂直于所述高度方向，所述上吸盘组件用于吸附所述编织袋的上侧袋面；
下吸盘组件，所述下吸盘组件连接至所述承载表面，并与所述上吸盘组件相对设置，所述下吸盘组件用于吸附所述编织袋的下侧袋面；
第一驱动组件，所述第一驱动组件连接至所述上吸盘组件，用以驱动所述上吸盘组件沿所述高度方向移动；
拨杆，所述拨杆绕平行于所述高度方向的旋转中心轴线可旋转地设置于所述承载表面的上方，所述拨杆用于拨开所述编织袋的袋口；以及
第二驱动组件，所述第二驱动组件连接至所述拨杆，用于驱动所述拨杆绕所述旋转中心轴线旋转。
可选地，所述拨杆围绕所述旋转中心轴线在第一位置和第二位置之间旋转，所述旋转中心轴线位于所述上吸盘组件的沿所述长度方向的外侧，所述拨杆的旋转轨迹在所述承载表面的投影部分地位于所述承载表面对所述编织袋进行定位的定位区域内；
其中，位于所述第一位置和所述第二位置的所述拨杆均位于所述定位区域的沿所述长度方向的外侧。
可选地，所述承载表面的沿所述长度方向的端部开设有供气流通过的空缺部，所述空缺部位于所述承载表面的沿宽度方向的中部，所述下吸盘组件密封连接至所述空缺部周围的所述承载表面，所述宽度方向垂直于所述长度方向和所述高度方向。
可选地，所述上吸盘组件包括第一上吸盘和第二上吸盘，所述第一上吸盘和所述第二上吸盘在所述承载表面上的投影分别位于所述定位区域的沿所述长度方向的两端；
所述下吸盘组件包括第一下吸盘和第二下吸盘，所述第一下吸盘位于所述第一上吸盘的下方，所述第二下吸盘位于所述第二上吸盘的下方。
可选地，所述空缺部包括第一空缺部和第二空缺部，所述第一空缺部构造为第一下吸盘的吸孔，所述第二空缺部构造为用于至少部分地容纳所述第二下吸盘的容纳口，所述第一下吸盘的上表面和所述第二下吸盘的上表面均与所述承载表面齐平。
可选地，所述拨杆设置有两组，两组所述拨杆分别与所述第一上吸盘和所述第二上吸盘对应。
可选地，所述第一上吸盘和相邻的一组所述拨杆沿所述长度方向可移动地连接至所述支撑架；
所述二次脱口装置还包括：
调节组件，所述调节组件分别连接至所述第一上吸盘和相邻的一组所述拨杆，以调整所述第一上吸盘和所述第二上吸盘的距离；
锁紧组件，所述锁紧组件设置至所述支撑架，用于限制所述第一上吸盘和相邻的一组所述拨杆移动。
可选地，所述二次脱口装置还包括：
活动横梁，所述活动横梁沿所述宽度方向设置，所述活动横梁沿所述长度方向可移动地连接至所述支撑架，所述第一上吸盘和相邻的一组所述拨杆连接至所述活动横梁；
所述调节组件包括：
螺母座，所述螺母座连接至所述活动横梁；
丝杆，所述丝杆绕自身轴线可枢转地连接至所述螺母座，且所述丝杆与所述螺母座螺纹配合，所述丝杆的轴线平行于所述长度方向。
可选地，所述锁紧组件包括：
第一锁紧孔，所述第一锁紧孔构造为从所述螺母座的外壁沿径向向内延伸至所述螺母座的内壁；
第一锁紧螺栓，所述第一锁紧螺栓连接于所述第一锁紧孔，在旋转所述第一锁紧螺栓的过程中，所述第一锁紧螺栓能够抵接所述丝杆的外表面，以限制所述丝杆旋转。
可选地，所述上吸盘组件包括：
吸盘本体，所述吸盘本体的下表面具有用于吸附所述编织袋的上吸孔；
压板，所述压板沿所述宽度方向设置于所述吸盘本体的沿所述宽度方向的两端，所述压板的下表面与所述吸盘本体的下表面齐平。
可选地，同一组所述拨杆包括两个所述拨杆，所述拨杆分别一一对应地连接至两个所述第二驱动组件，两个所述拨杆分别与所述承载表面的宽度方向的两端对应。
可选地，所述第二驱动组件构造为旋转气缸，所述旋转气缸的输出轴连接至所述拨杆，所述旋转气缸的输出轴的轴线构造为所述旋转中心轴线；并且/或者
所述第一驱动组件构造为直线气缸，所述直线气缸的活塞杆连接至所述上吸盘组件。
可选地，当所述拨杆位于所述第一位置时，同一组的两个所述拨杆靠近彼此且所述拨杆的长度方向平行于所述宽度方向。
可选地，同一组的两个所述拨杆沿所述高度方向错开设置。
可选地，所述二次脱口装置还包括：
连接器，所述连接器连接至所述旋转气缸的输出轴，所述连接器具有用于穿设所述拨杆的安装孔和与所述安装孔相交设置的第二锁紧孔；
第二锁紧螺栓，所述第二锁紧螺栓连接于所述第二锁紧孔内并与所述第二锁紧孔螺纹配合，在旋转所述第二锁紧螺栓的过程中，所述第二锁紧螺栓能够抵接至所述拨杆的外表面，以限制所述拨杆在所述安装孔内移动。
可选地，所述拨杆包括：
杆本体，所述杆本体的一端与所述旋转中心轴线对应；
拨分部，所述拨分部沿所述杆本体的长度方向设置，所述拨分部的一端连接至所述杆本体的另一端，所述拨分部构造为具有柔性和弹性的胶套，所述拨分部用于接触和拨开所述编织袋的袋口的粘连处。
可选地，两个所述第二驱动组件中的至少一个所述第二驱动组件沿所述宽度方向可移动地设置至所述支撑架上；
所述二次脱口装置还包括：
第三锁紧螺栓，所述第三锁紧螺栓连接至所述第二驱动组件，所述第三锁紧螺栓可分离地连接至所述支撑架，以允许将所述第二驱动组件紧固至所述支撑架。
根据本申请的二次脱口装置，通过承载组件上的承载表面承载热切后的编织袋；在承载表面沿长度方向的端部的上方设置上吸盘组件，且上吸盘组件能够沿高度方向移动，以实现靠近和远离承载表面，靠近承载表面的上吸盘组件能够吸附位于承载表面上的编织袋的上侧袋面；下吸盘组件连接承载表面并与上吸盘组件对应，用于吸附位于承载表面上的编织袋的下侧袋面。通过上吸盘组件和下吸盘组件的配合，能够分别吸附位于承载表面上的编织袋的袋口的上侧袋面和下侧袋面，以使得上侧袋面和下侧袋面相互远离，从而使得袋口的粘结处在一定程度上能够被分开。并且，通过设绕旋转中心线旋转的拨杆，能够对编织袋的端部进行拨分，使得编织袋的端部黏连处被分开。通过上吸盘组件、下吸盘组件及拨杆的配合，能够确保编织袋的端部袋口能够被可靠地分开，进而有助于在双层袋的生产 过程中提高套内袋的良率。
附图说明
本申请实施方式的下列附图在此作为本申请的一部分用于理解本申请。附图中示出了本申请的实施方式及其描述，用来解释本申请的原理。在附图中，
图1为根据本申请的一种优选实施方式的二次脱口装置的主视图；
图2为图1所示的二次脱口装置的俯视图，其中拨杆位于第一避让位置；
图3为图2中的Ⅰ部分的放大视图；
图4为图1所示的二次脱口装置的右视图；
图5为图1所示的二次脱口装置的仰视图；
图6为图1所示的二次脱口装置的立体视图；
图7为图6中的Ⅱ部分的放大视图；
图8为图6中的Ⅲ部分的放大视图；以及
图9为图1至图4及图7和图8中的旋转气缸与拨杆的连接结构的立体视图。
附图标记说明：
100：    支撑架                  101：    端纵梁
102：    端横梁                  103：    端立柱
110：    承载组件                111：    承载表面
1111：   第一空缺部              1112：   第二空缺部
120：    上吸盘组件              121：    第一上吸盘
122：    第二上吸盘              1211：   吸盘本体
1212：   压板                    1212a：  减重孔
130：    下吸盘组件              131：    第一下吸盘
132：    第二下吸盘              140：    拨杆
141：    杆本体                  142：    拨分部
150：    活动横梁                151：    螺母座
152：    丝杆                    153：    第一锁紧螺栓
154：    手轮                    155：    滑轨
156：    滑块                    160：    固定横梁
170：    直线气缸                180：    旋转气缸
181：    连接器                  181a：   第二锁紧孔
184：    角板                    184a：   第三锁紧孔
AX1：    旋转中心轴线            D1：     长度方向
D2：     宽度方向                D3：     高度方向
具体实施方式
在下文的描述中，给出了大量具体的细节以便提供对本申请更为彻底的理解。然而，对于本领域技术人员来说显而易见的是，本申请实施方式可以无需一个或多个这些细节而得以实施。在其他的例子中，为了避免与本申请实施方式发生混淆，对于本领域公知的一些技术特征未进行描述。
为了彻底了解本申请实施方式，将在下列的描述中提出详细的结构。显然，本申请实施方式的施行并不限定于本领域的技术人员所熟习的特殊细节。
应当理解的是，在此使用的术语的目的仅在于描述具体实施方式并且不作为本申请的限制，单数形式的“一”、“一个”和“所述/该”也意图包括复数形式，除非上下文清楚指出另外的方式。当在本说明书中使用术语“包含”和/或“包括”时，其指明存在所述特征、整体、步骤、操作、元件和/或组件，但不排除存在或附加一个或多个其他特征、整体、步骤、操作、元件、组件和/或它们的组合。本申请中所使用的术语“上”、“下”、“前”、“后”、“左”、“右”以及类似的表述只是为了说明的目的，并非限制。
本申请中所引用的诸如“第一”和“第二”的序数词仅仅是标识，而不具有任何其他含义，例如特定的顺序等。而且，例如，术语“第一部件”其本身不暗示“第二部件”的存在，术语“第二部件”本身不暗示“第一部件”的存在。
以下，将参照附图对本申请的具体实施方式进行更详细地说明，这些附图示出了本申请的代表实施方式，并不是限定本申请。
本申请提供一种二次脱口装置。如图1至图9所示，根据本申请的二次脱口装置包括支撑架100、承载组件110、上吸盘组件120、下吸盘组件130、第一驱动组件、拨杆140，以及第二驱动组件。承载组件110连接至 支撑架100。承载组件110具有用于承载热切后的编织袋的承载表面111。上吸盘组件120沿高度方向D3可移动地设置至承载表面111的上方。上吸盘向下移动靠近承载表面111，可以对放置在承载表面111上的编织袋的上侧袋面进行吸附；上吸盘向上移动远离承载表面111，可以允许编织袋移至上吸盘组件120与承载表面111之间或者从上吸盘组件120与承载表面111移走。上吸盘组件120与承载表面111的沿长度方向D1的端部对应设置，从而上吸盘能够与置于承载表面111上的编织袋的长度方向D1的端部对应。高度方向D3垂直于承载表面111。长度方向D1垂直于高度方向D3。下吸盘组件130连接至承载表面111，并与上吸盘组件120相对设置。下吸盘组件130用于吸附编织袋的下侧袋面。在上吸盘组件120靠近编织袋，且上吸盘组件120和下吸盘组件130同时分别对编织袋的上侧袋面和下侧袋面进行吸附时，可以在一定程度上将编织袋的端部撑开。如果编织袋的端部在热切后的黏连状况不是太严重的话，通过上吸盘组件120和下吸盘组件130的作用，可以将编织袋的端部的黏连处完全分开。第一驱动组件连接至上吸盘组件120，用以驱动上吸盘组件120沿高度方向D3移动。拨杆140绕平行于高度方向D3的旋转中心轴线AX1可旋转地设置于承载表面111的上方。拨杆140用于拨开编织袋的袋口。第二驱动组件连接至拨杆140，用于驱动拨杆140绕旋转中心轴线AX1旋转。
根据本申请的二次脱口装置，通过承载组件110上的承载表面111承载热切后的编织袋。在承载表面111沿长度方向D1的端部的上方设置上吸盘组件120，且上吸盘组件120能够沿高度方向D3移动，以实现靠近和远离承载表面111。靠近承载表面111的上吸盘组件120能够吸附位于承载表面111上的编织袋的上侧袋面。下吸盘组件130连接承载表面111并与上吸盘组件120对应，用于吸附位于承载表面111上的编织袋的下侧袋面。通过上吸盘组件120和下吸盘组件130的配合，能够分别吸附位于承载表面111上的编织袋的袋口的上侧袋面和下侧袋面，以使得上侧袋面和下侧袋面相互远离，从而使得袋口的粘结处在一定程度上能够被分开。并且，通过设绕旋转中心线旋转的拨杆140，能够对编织袋的端部进行拨分，使得编织袋的端部黏连处被分开。通过上吸盘组件120、下吸盘组件130及拨杆140的配合，能够确保编织袋的端部袋口能够被可靠地分开，进而有助于在双层袋的生产过程中提高套内袋的良率。
参阅图2、图3及图6至图8。例如，拨杆140能够围绕旋转中心轴线AX1在第一位置和第二位置之间旋转。旋转中心轴线AX1位于上吸盘组件120的沿长度方向D1的外侧。承载表面111具有用于对编织袋进行定位的定位区域，定位区域的形状、大小与编织袋的形状、大小适配，且定位区域的长度方向D1与承载表面111的长度方向D1一致。可以理解的是，定位区域位于承载表面111的边界范围以内。比如，定位区域可以与承载表面111大小一致，也可以小于承载表面111。拨杆140的旋转轨迹在承载表面111的投影部分地位于定位区域内，从而能够确保拨杆140在旋转过程中能够从编织袋的袋口处经过，进而在上吸盘组件120和下吸盘组件130将编织袋的袋口撑开一部分时，拨杆140能够伸入袋口将其余部位的黏连处拨分开。其中，位于第一位置和第二位置的拨杆140均位于定位区域的沿长度方向D1的外侧。由于旋转中心轴线AX1位于上吸盘组件120的外侧，则位于第一位置和第二位置的拨杆140的任意一者可以是平行于承载表面111的宽度方向D2，也可以略微倾斜于承载表面111的宽度方向D2。这样可以确保编织袋移到承载表面111和从承载表面111移走时，防止编织袋与拨杆140发生干涉。
参阅图2、图3及图6至图8。此外，承载表面111的沿长度方向D1的端部可以开设供气流通过的空缺部。空缺部位于承载表面111的沿宽度方向D2的中部。下吸盘组件130与空缺部对应布置，并且密封连接至空缺部周围的承载表面111。宽度方向D2垂直于长度方向D1和高度方向D3，宽度方向D2和长度方向D1分别为沿水平方向设置的两个不同方向。下吸盘的吸气孔与空缺部布置的范围适应，当下吸盘组件130产生负压吸力时，气流能够从空缺部的位置自上而下流向下吸盘组件130流动，从而能够对位于承载表面111上的编织袋实施吸附。
参阅图1至图8。例如，上吸盘组件120可以包括第一上吸盘121和第二上吸盘122。第一上吸盘121和第二上吸盘122在承载表面111上的投影分别位于定位区域的沿长度方向D1的两端。下吸盘组件130包括第一下吸盘131和第二下吸盘132。第一下吸盘131对应设置在第一上吸盘121的下方。第二下吸盘132对应设置在第二上吸盘122的下方。对于定位区域的边界的限定，可以理解为，第一上吸盘121和第二上吸盘122在承载表面111上的投影限定了定位区域的沿长度方向D1的两端的位置。 换言之，在第一上吸盘121和第二上吸盘122沿长度方向D1的间距确定以后，该二次脱口装置所适用的编织袋的长度尺寸也就可以确定了。同时，通过采用该方案，能够分别对编织袋的长度方向D1的两端分别进行吸附，以至少部分地使得编织袋的端部开口撑开。
参阅图1至图8。进一步地，空缺部可以包括第一空缺部1111和第二空缺部1112。第一空缺部1111构造为第一下吸盘131的吸孔。即，第一下吸盘131的吸附表面构造为承载表面111的一部分。第二空缺部1112构造为用于至少部分地容纳第二下吸盘132的容纳口。第二下吸盘132在装配至容纳口内以后，第二下吸盘132的上表面均与承载表面111齐平。
参阅图1至图6，以及图8。在采用第一上吸盘121和第一下吸盘131对编织袋的其中一端进行吸附时，并通过第二上吸盘122和第二下吸盘132对编织袋的另一端进行吸附。例如，拨杆140可以设置有两组。两组拨杆140分别与第一上吸盘121和第二上吸盘122对应。通过设置两组拨杆140，能够更好地配合两处吸盘将编织袋的长度方向D1的两端部可靠地拨分开。
参阅图1至图8。为了能够对不同长度尺寸的编织袋的袋口进行拨分处理，优选地，第一上吸盘121和相邻的一组拨杆140沿长度方向D1可移动地连接至支撑架100。
参阅图1至图8。该二次脱口装置还可以包括调节组件和锁紧组件。调节组件分别连接至第一上吸盘121和相邻的一组拨杆140，以调整第一上吸盘121和第二上吸盘122的距离及两组拨杆140之间的间距，从而适应不同长度的编织袋的端部黏连处的拨分需求。锁紧组件设置至支撑架100，用于限制第一上吸盘121和相邻的一组拨杆140移动，从而限定第一上吸盘121与第二上吸盘122的间距适配相应长度的编织袋。
参阅图1至图8。此外，二次脱口装置还包括固定横梁160和活动横梁150。固定横梁160和活动横梁150均沿宽度方向D2设置。固定横梁160固定连接至支撑架100。活动横梁150沿长度方向D1可移动地连接至支撑架100。第一上吸盘121和相邻的一组拨杆140连接至活动横梁150。调节组件包括螺母座151和丝杆152。螺母座151连接至活动横梁150。丝杆152绕自身轴线可枢转地连接至螺母座151，且丝杆152与螺母座151螺纹配合。丝杆152的轴线平行于长度方向D1。比如，活动横梁150的两端安装滑块156，在支撑架100上安装滑轨155滑轨155的延伸方向与长 度方向D1一致，从而活动横梁150能够带着第一上吸盘121和一组拨杆140一起沿着长度方向D1移动。同时，可以在支撑架100上增设一个螺母座151，以连接和支撑丝杆152的另一端。
参阅图1至6，以及图8。为方便旋转丝杆152，可以在丝杆152远离第二上吸盘122的端部安装手轮154。
参阅图2、图3、图5、图6及图8。由于第一下吸盘131是与第一上吸盘121对应设置，因此，第一下吸盘131上的下吸孔沿长度方向D1的分布范围可以与第一上吸盘121随活动横梁150沿长度方向D1的移动范围相适应。
可以理解的是，作为一种变形，第一下吸盘131也可以沿长度方向D1活动设置。相应地，可以在承载表面111开设空缺区域，空缺区域用来至少部分地容纳第一下吸盘131并适配第一下吸盘131沿长度方向D1的移动。
参阅图1至图6，以及图8。进一步地，锁紧组件可以包括第一锁紧孔和第一锁紧螺栓153。第一锁紧孔可以构造为从螺母座151的外壁沿径向向内延伸至螺母座151的内壁。第一锁紧螺栓153连接于第一锁紧孔内。在旋转第一锁紧螺栓153的过程中，第一锁紧螺栓153能够抵接至丝杆152的外表面，从而可以限制丝杆152旋转。
参阅图2至图4，以及图6至图8。此外，上吸盘组件120包括吸盘本体1211和压板1212。吸盘本体1211的下表面具有用于吸附编织袋的上吸孔。压板1212沿宽度方向D2设置于吸盘本体1211的沿宽度方向D2的两端。压板1212的下表面与吸盘本体1211的下表面齐平。换言之，上吸盘组件120沿承载表面111的宽度方向D2设置，吸盘本体1211位于中部，压板1212位于两端。在使用时，吸盘本体1211用来实现通过负压吸力吸附编织袋的上侧袋面。上吸盘组件120靠近甚至是贴近编织袋时，压板1212和吸盘本体1211的下表面一起对编织袋施加向下的作用力，以使得编织袋的端部平整，从而防止因编织袋的上表面存在褶皱而不能被吸盘本体1211可靠吸附，进而有助于提高上吸盘组件120的吸附效果。同时，在编织袋的袋口的黏连处被完全拨分开以后，可以将上吸盘组件120再次靠近承载表面111，同时解除上吸盘组件120的负压吸力。这样能够在解除吸附编织袋的同时，将编织袋的端部压平整，使得编织袋能够以较为平整的姿态 流转到下一工序，有助于提高后道工序的良率。第一上吸盘121和第二上吸盘122中的任一者，可以采用此处的上吸盘组件120的构造。第一上吸盘121和第二上吸盘122的构造可以是相同的。
参阅图2和图3，以及图6至图8。为了对压板1212进行减重和减少编织袋与压板1212分离的阻力，可以在压板1212上设置减重孔1212a。减重孔1212a的形状包括但不限于圆孔、长圆孔。
参阅图2至图4，以及图6至图8。此外，同一组拨杆140可以包括两个拨杆140。该两个拨杆140分别一一对应地连接至两个第二驱动组件。两个拨杆140分别与承载表面111的宽度方向D2的两端对应。通过将同一组拨杆140配置为两个，且两个拨杆140能够分别对编织袋的袋口宽度方向D2的两端分别实施拨分，继而能够对编织袋的袋口宽度方向D2的两端均实施可靠的拨分操作，以确保编织袋的袋口黏连处能够被更加可靠地分开。因为热切后的编织袋在经过搓口装置搓口以后，袋口中部的黏连程度相对于端部的黏连程度会轻一些，袋口中部使用上吸盘组件120和下吸盘组件130配合撑开一定大小，拨杆140在从撑开的开口中伸入带内并向两端横扫，实现将袋口端部乃至中部的部分黏连处进一步分开的目的。
参阅图1至图8。例如，第一驱动组件可以构造为直线气缸170。直线气缸170的活塞杆连接至上吸盘组件120。通过启动直线气缸170使得气缸的活塞杆向下伸出，可以带动上吸盘组件120靠近承载表面111。第二驱动组件可以构造为旋转气缸180。旋转气缸180的输出轴连接至拨杆140。旋转气缸180的输出轴的轴线构造为旋转中心轴线AX1。旋转气缸180的启动时机，可以是在上吸盘组件120上升至上极限位置时。位于上极限位置的上吸盘组件120所处的高度高于拨杆140所处的高度。这样，在上吸盘组件120和下吸盘组件130配合将编织袋的袋口的中部撑开时，拨杆140能够可靠地伸入到袋内，以对袋口的黏连处实施拨分。
参阅图1至图8。例如，旋转气缸180驱动拨杆140旋转的角度范围可以为180°。当拨杆140位于第一位置时，同一组的两个拨杆140靠近彼此且拨杆140的长度方向D1可以平行于宽度方向D2。在旋转气缸180工作时，可以驱动拨杆140从袋口的中部进入，然后向两端移动，最后从两端处移出袋口。由于旋转气缸180相对于定位区域沿长度方向D1和宽度方向D2的位置，会对拨杆140在定位区域的移动轨迹、范围产生一定 影响，所以在使用前需要预先根据定位区域的大小、边界调整好旋转气缸180所处的位置，以在达到对袋口进行可靠拨分的同时，防止拨杆140因与编织袋发生干涉而损伤编织袋。
可选地，同一组的两个拨杆140可以沿高度方向D3错开设置，从而防止两个拨杆140在靠近彼此时发生干涉。
参阅图1和图4，以及图6至图9。此外，二次脱口装置还可以包括连接器181和第二锁紧螺栓。连接器181连接至旋转气缸180的输出轴。连接器181具有用于穿设拨杆140的安装孔和与安装孔相交设置的第二锁紧孔181a。第二锁紧螺栓连接于第二锁紧孔181a内，并与第二锁紧孔181a螺纹配合。在旋转第二锁紧螺栓的过程中，比如是沿着拧紧第二锁紧螺栓的方向旋转第二锁紧螺栓，第二锁紧螺栓能够抵接至拨杆140的外表面，从而达到限制拨杆140在安装孔内沿安装孔的孔深方向移动的目的。通过沿着拧松第二锁紧螺栓的方向旋转第二锁紧螺栓，直至第二锁紧螺栓脱离拨杆140的外表面，可以允许拨杆140在安装孔内移动，从而能够调节拨杆140的用于拨分袋口黏连处的工作部分的长度，进而调节拨杆140拨分的范围。
参阅图9。进一步地，拨杆140可以包括杆本体141和拨分部142。杆本体141的一端与旋转中心轴线AX1对应。拨分部142沿杆本体141的长度方向D1设置。拨分部142的一端连接至杆本体141的另一端。拨分部142可以构造为具有柔性和弹性的胶套，拨分部142用于接触和拨开编织袋的袋口的粘连处。之所以设置具有柔性和弹性胶套作为部，好处在于可以让拨杆140的末端能够尽可能地接触到袋口沿宽度方向D2的端部，从而进一步确保袋口的端部能够被完全地分开，且不会对袋口的端部造成损伤，以防止因拨杆140不能触及而存在残留的粘结部分。退一步而言，如果拨分部142如果采用刚性材质制成，比如是金属杆，很可能会损伤到编织袋。原因在于，编织袋是具有柔性的，在每一次上吸盘组件120和下吸盘组件130配合将不同的编织袋的袋口进行打开时，撑开的开口的大小很可能不一样，所以每一次袋口的端部的位置也可能不一样，刚性材质的拨分部142不能很好地适应每一次的袋口的姿态，从而会增加编织袋受损的几率。当然，如果通过其他有效技术手段使得每一次通过吸盘吸附而打开的开口大小一致，且每一次袋口沿宽度方向D2的端部位置、姿态也是一 致的话，拨分部142也可以构造为刚性材质制成。
参阅图1至图8。在本申请的一些应用场景中，可能需要对不同宽度尺寸的编织袋的袋口实施二次脱口处理。对此，两个第二驱动组件中的至少一个第二驱动组件沿宽度方向D2可移动地设置至支撑架100上。此处的两个第二驱动组件可以理解为位于长度方向D1的同一端的两个第二驱动组件，比如同一组的两个拨杆140所对应的两个第二驱动组件。本申请的二次脱口装置还可以包括第三锁紧螺栓。第三锁紧螺栓连接至第二驱动组件。第三锁紧螺栓可分离地连接至支撑架100，以允许将第二驱动组件紧固至支撑架100和解除对第二驱动组件的位置锁定。第二驱动组件比如可以是上述的旋转气缸180，旋转气缸180连接拨杆140，旋转气缸180的位置限定了拨杆140的旋转中心的位置。通过沿宽度方向D2调整旋转气缸180的位置，可以适应不同宽度尺寸的编织袋的袋口拨分需求。
参阅图1至图4，以及图6至图9。在图示的实施方式中，旋转气缸180通过角板184安装在活动横梁150上。活动横梁150可以是四面都带有收口状凹槽的铝型材。第三锁紧螺栓的栓盖连接于凹槽内，在拧松锁紧螺栓所适配的螺母时，栓盖能沿着凹槽的槽长方向移动。角板184的其中一个板体用于安装旋转气缸180，角板184的另一个板体上设置第三锁紧孔184a。第三锁紧孔184a可以构造为沿高度方向D3延伸的长圆孔。第三锁紧螺栓穿过第三锁紧孔184a安装螺母。锁紧螺母实现锁定旋转气缸180的位置，拧松螺母可以沿宽度方向D2移动旋转气缸180，从而调整旋转气缸180所处的位置。一般情况下，可以将沿宽度方向D2靠近下一工序的旋转气缸180的位置固定，而将沿宽度方向D2靠近上一工序的旋转气缸180采用该实施方案设置成位置可调。
参阅图1至图8。上述的承载组件110可以构造为一个水平布置的承载板。将承载板的上表面作为承载表面111。承载板为一个矩形的板件。支撑架100可以包括端纵梁101、端横梁102和端立柱103。端立柱103设置四个，四个端立柱103分别垂直固定在承载板的四个拐角部位。端纵梁101设置两个，两个端纵梁101分别对应布置在承载板的沿宽度方向D2的两端上方，端纵梁101的两端分别连接至相邻的两个端立柱103。两个端横梁102分别对应布置在承载板的沿长度方向D1的两端上方，端横梁102的两端分别连接至相邻的两个端立柱103。上述的活动横梁150平行于 端横梁102，且活动横梁150两端分别连接滑块156，滑轨155安装在端纵梁101。上述的固定横梁160可以构造为此处的端横梁102。端纵梁101、承载表面111及与端纵梁101相邻的端立柱103之间围合形成矩形的料口，该料口可供编织袋通过。靠近上一工序的料口可以称为进料口，靠近下一工序的料口可以成为出料口。端横梁102、端纵梁101和端立柱103均可以采用现有技术中的一种铝型材杆件，该铝型材杆件的截面外轮廓呈方形，且四个平行于杆长方向的表面均具有凹槽。从该铝型材的横截面看，凹槽均呈收口状，比如凹槽可以构造为但不限于燕尾槽或者T形槽。作为第一驱动组件的直线气缸170也可以借助一个连接板通过螺栓安装在支撑架100上。
参阅图1至图9。根据本申请的上述第一上吸盘121、第二上吸盘122、第一下吸盘131、第二下吸盘132，均可以采用金属板焊接而成并在制作工艺上考虑气密性。在应用该二次脱口装置时，可以配置能够提供负压气流的负压设备，并通过气路管件分别连接至第一上吸盘121、第二上吸盘122、第一下吸盘131、第二下吸盘132，在不同的气路管件上设置电磁阀。各个电磁阀的受控端可以连接至控制装置。同时上述的旋转气缸180、直线气杠的气路管件上也可以设置电磁阀，各电磁阀也连接至控制装置。控制装置内置预设的控制程序，根据控制程序，控制装置控制各个电磁阀的启闭状态、启闭顺序，从而达到分别控制第一上吸盘121、第二上吸盘122、第一下吸盘131、第二下吸盘132、旋转气缸180及直线气杠的运行状态的目的。
除非另有定义，本文中所使用的技术和科学术语与本申请的技术领域的技术人员通常理解的含义相同。本文中使用的术语只是为了描述具体的实施目的，不是旨在限制本申请。本文中出现的诸如“设置”等术语既可以表示一个部件直接附接至另一个部件，也可以表示一个部件通过中间件附接至另一个部件。本文中在一个实施方式中描述的特征可以单独地或与其它特征结合地应用于另一个实施方式，除非该特征在该另一个实施方式中不适用或是另有说明。
本申请已经通过上述实施方式进行了说明，但应当理解的是，上述实施方式只是用于举例和说明的目的，而非意在将本申请限制于所描述的实施方式范围内。本领域技术人员可以理解的是，根据本申请的教导还可以 做出更多种的变型和修改，这些变型和修改均落在本申请所要求保护的范围以内。

Claims (17)

  1. 一种二次脱口装置，其特征在于，所述二次脱口装置包括：
    支撑架；
    承载组件，所述承载组件连接至所述支撑架，所述承载组件具有用于承载热切后的编织袋的承载表面；
    上吸盘组件，所述上吸盘组件沿高度方向可移动地设置至所述承载表面的上方，所述上吸盘组件与所述承载表面的沿长度方向的端部对应设置，所述高度方向垂直于所述承载表面，所述长度方向垂直于所述高度方向，所述上吸盘组件用于吸附所述编织袋的上侧袋面；
    下吸盘组件，所述下吸盘组件连接至所述承载表面，并与所述上吸盘组件相对设置，所述下吸盘组件用于吸附所述编织袋的下侧袋面；
    第一驱动组件，所述第一驱动组件连接至所述上吸盘组件，用以驱动所述上吸盘组件沿所述高度方向移动；
    拨杆，所述拨杆绕平行于所述高度方向的旋转中心轴线可旋转地设置于所述承载表面的上方，所述拨杆用于拨开所述编织袋的袋口；以及
    第二驱动组件，所述第二驱动组件连接至所述拨杆，用于驱动所述拨杆绕所述旋转中心轴线旋转。
  2. 根据权利要求1所述的二次脱口装置，其特征在于，所述拨杆围绕所述旋转中心轴线在第一位置和第二位置之间旋转，所述旋转中心轴线位于所述上吸盘组件的沿所述长度方向的外侧，所述拨杆的旋转轨迹在所述承载表面的投影部分地位于所述承载表面对所述编织袋进行定位的定位区域内；
    其中，位于所述第一位置和所述第二位置的所述拨杆均位于所述定位区域的沿所述长度方向的外侧。
  3. 根据权利要求2所述的二次脱口装置，其特征在于，所述承载表面的沿所述长度方向的端部开设有供气流通过的空缺部，所述空缺部位于所述承载表面的沿宽度方向的中部，所述下吸盘组件密封连接至所述空缺部周围的所述承载表面，所述宽度方向垂直于所述长度方向和所述高度方向。
  4. 根据权利要求3所述的二次脱口装置，其特征在于，所述上吸盘组件包括第一上吸盘和第二上吸盘，所述第一上吸盘和所述第二上吸盘在所述承载表面上的投影分别位于所述定位区域的沿所述长度方向的两端；
    所述下吸盘组件包括第一下吸盘和第二下吸盘，所述第一下吸盘位于所述第一上吸盘的下方，所述第二下吸盘位于所述第二上吸盘的下方。
  5. 根据权利要求4所述的二次脱口装置，其特征在于，所述空缺部包括第一空缺部和第二空缺部，所述第一空缺部构造为第一下吸盘的吸孔，所述第二空缺部构造为用于至少部分地容纳所述第二下吸盘的容纳口，所述第一下吸盘的上表面和所述第二下吸盘的上表面均与所述承载表面齐平。
  6. 根据权利要求4所述的二次脱口装置，其特征在于，所述拨杆设置有两组，两组所述拨杆分别与所述第一上吸盘和所述第二上吸盘对应。
  7. 根据权利要求6所述的二次脱口装置，其特征在于，所述第一上吸盘和相邻的一组所述拨杆沿所述长度方向可移动地连接至所述支撑架；
    所述二次脱口装置还包括：
    调节组件，所述调节组件分别连接至所述第一上吸盘和相邻的一组所述拨杆，以调整所述第一上吸盘和所述第二上吸盘的距离；
    锁紧组件，所述锁紧组件设置至所述支撑架，用于限制所述第一上吸盘和相邻的一组所述拨杆移动。
  8. 根据权利要求7所述的二次脱口装置，其特征在于，所述二次脱口装置还包括：
    活动横梁，所述活动横梁沿所述宽度方向设置，所述活动横梁沿所述长度方向可移动地连接至所述支撑架，所述第一上吸盘和相邻的一组所述拨杆连接至所述活动横梁；
    所述调节组件包括：
    螺母座，所述螺母座连接至所述活动横梁；
    丝杆，所述丝杆绕自身轴线可枢转地连接至所述螺母座，且所述丝杆与所述螺母座螺纹配合，所述丝杆的轴线平行于所述长度方向。
  9. 根据权利要求8所述的二次脱口装置，其特征在于，所述锁紧组件包括：
    第一锁紧孔，所述第一锁紧孔构造为从所述螺母座的外壁沿径向向内延伸至所述螺母座的内壁；
    第一锁紧螺栓，所述第一锁紧螺栓连接于所述第一锁紧孔，在旋转所述第一锁紧螺栓的过程中，所述第一锁紧螺栓能够抵接所述丝杆的外表面， 以限制所述丝杆旋转。
  10. 根据权利要求3所述的二次脱口装置，其特征在于，所述上吸盘组件包括：
    吸盘本体，所述吸盘本体的下表面具有用于吸附所述编织袋的上吸孔；
    压板，所述压板沿所述宽度方向设置于所述吸盘本体的沿所述宽度方向的两端，所述压板的下表面与所述吸盘本体的下表面齐平。
  11. 根据权利要求6所述的二次脱口装置，其特征在于，同一组所述拨杆包括两个所述拨杆，所述拨杆分别一一对应地连接至两个所述第二驱动组件，两个所述拨杆分别与所述承载表面的宽度方向的两端对应。
  12. 根据权利要求11所述的二次脱口装置，其特征在于，所述第二驱动组件构造为旋转气缸，所述旋转气缸的输出轴连接至所述拨杆，所述旋转气缸的输出轴的轴线构造为所述旋转中心轴线；并且/或者
    所述第一驱动组件构造为直线气缸，所述直线气缸的活塞杆连接至所述上吸盘组件。
  13. 根据权利要求12所述的二次脱口装置，其特征在于，当所述拨杆位于所述第一位置时，同一组的两个所述拨杆靠近彼此且所述拨杆的长度方向平行于所述宽度方向。
  14. 根据权利要求13所述的二次脱口装置，其特征在于，同一组的两个所述拨杆沿所述高度方向错开设置。
  15. 根据权利要求12所述的二次脱口装置，其特征在于，所述二次脱口装置还包括：
    连接器，所述连接器连接至所述旋转气缸的输出轴，所述连接器具有用于穿设所述拨杆的安装孔和与所述安装孔相交设置的第二锁紧孔；
    第二锁紧螺栓，所述第二锁紧螺栓连接于所述第二锁紧孔内并与所述第二锁紧孔螺纹配合，在旋转所述第二锁紧螺栓的过程中，所述第二锁紧螺栓能够抵接至所述拨杆的外表面，以限制所述拨杆在所述安装孔内移动。
  16. 根据权利要求1所述的二次脱口装置，其特征在于，所述拨杆包括：
    杆本体，所述杆本体的一端与所述旋转中心轴线对应；
    拨分部，所述拨分部沿所述杆本体的长度方向设置，所述拨分部的一端连接至所述杆本体的另一端，所述拨分部构造为具有柔性和弹性的胶套，所述拨分部用于接触和拨开所述编织袋的袋口的粘连处。
  17. 根据权利要求11所述的二次脱口装置，其特征在于，两个所述第二驱动组件中的至少一个所述第二驱动组件沿所述宽度方向可移动地设置至所述支撑架上；
    所述二次脱口装置还包括：
    第三锁紧螺栓，所述第三锁紧螺栓连接至所述第二驱动组件，所述第三锁紧螺栓可分离地连接至所述支撑架，以允许将所述第二驱动组件紧固至所述支撑架。
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