CN116198802A - Multifunctional bag clamping device and bag opening and closing method - Google Patents
Multifunctional bag clamping device and bag opening and closing method Download PDFInfo
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- CN116198802A CN116198802A CN202111451042.3A CN202111451042A CN116198802A CN 116198802 A CN116198802 A CN 116198802A CN 202111451042 A CN202111451042 A CN 202111451042A CN 116198802 A CN116198802 A CN 116198802A
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- 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
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/54—Means for supporting containers or receptacles during the filling operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
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Abstract
The invention provides a multifunctional bag clamping device and a bag opening and closing method, comprising a front bag clamping mechanism and a rear bag clamping mechanism, wherein the front bag clamping mechanism comprises a front left bag clamping assembly and a front right bag clamping assembly; the invention can switch and mechanically clamp the M-shaped bag in an open or closed state as required, so that the M-shaped bag can be opened, filled and sealed by an automatic packaging machine, and the device can be used for opening, closing and clamping common bags.
Description
Technical Field
The invention relates to the field of packaging machinery, in particular to a bag clamping device and a mechanical automatic bag opening and closing method by using the packaging machinery.
Background
The M-shaped bag comprises a front bag wall and a rear bag wall, a foldable side bag wall and a bag bottom are arranged between the front bag wall and the rear bag wall, and for the M-shaped bag, the clamping actions of clamping before opening the bag, clamping after opening the bag, filling and sealing stations can not be adapted just by simply clamping two sides of the bag like a conventional common bag. For the M-shaped bag, at present, unless a complex mechanism is adopted, a set of mechanism is difficult to realize the clamping actions of a clamping mechanism before opening the bag, a clamping mechanism after opening the bag, a filling station and a sealing station by adopting a common bag clamping mechanism.
Disclosure of Invention
A first object of the present invention is to provide a bag opening and closing method capable of adapting to an M-shaped bag, and for this purpose, the present invention adopts the following technical scheme:
(1) The M-shaped bags folded into sheets are sent to a bag clamping device, the bag clamping device is provided with a front bag clamping mechanism and a rear bag clamping mechanism, and two side edges of the M-shaped bags are clamped by one of the front bag clamping mechanism and the rear bag clamping mechanism of the bag clamping device;
(2) Before and after opening the bag, the bag clamping device and the bag opening assembly capable of moving back and forth are connected with the M-shaped bag and the M-shaped bag which is received again after opening the bag, and when the bag is opened, the bag opening assembly capable of moving back and forth is adopted to respectively open the front bag wall and the rear bag wall so as to open the front bag wall and the rear bag wall;
(3) After filling, the spacing between the front and rear bag-gripping mechanisms is shortened to effect bag closure.
Further, the bag is opened only by opening the bag in a folded state, and the bag is opened to the opening size suitable for filling by the front bag clamping mechanism and the rear bag clamping mechanism which move in the front-back direction under the control of a program after opening the bag and before filling.
Further, after the bag is delivered to the bag opening mechanism at the bag opening station, the bag clamping device is arranged at two sides, the front and rear distances are adjusted, and when the front and rear positions are adjusted to be proper, the edges at two sides of the bag are closed, and then the M bags with the bags are clamped.
In order to achieve the above purpose, the present invention may further adopt the following technical scheme:
a method for opening and closing a bag, characterized in that for an M-type bag, comprising the steps of,
(1) The method comprises the steps that an M-shaped bag with separated front and rear side edges is sent to a bag clamping device, the bag clamping device is provided with a front bag clamping mechanism and a rear bag clamping mechanism which are respectively used for clamping the front side edges and the rear side edges of the M-shaped bag, the front bag clamping mechanism and the rear bag clamping mechanism are adjusted to match the distance between the front bag clamping mechanism and the rear bag clamping mechanism and the distance between the front side edges and the rear side edges, and the front side edges and the rear side edges of the M-shaped bag are respectively clamped by the front bag clamping mechanism and the rear bag clamping mechanism;
(2) After filling, the spacing between the front and rear bag-gripping mechanisms is shortened to effect bag closure.
Further, the M-shaped bag with the separated front and rear side edges is only unfolded, and after the front bag clamping mechanism and the rear bag clamping mechanism clamp the front and rear side edges of the M-shaped bag, the front bag clamping mechanism and the rear bag clamping mechanism move in the front and rear directions under the control of a program to open the bag to an opening size suitable for filling.
Further, when the front bag clamping mechanism and the rear bag clamping mechanism of the bag clamping device receive the M-shaped bags, the bag clamping device is arranged at two sides, the front and rear distances are adjusted, and when the front and rear positions are adjusted to proper front and rear positions, the front and rear edges of the bags are closed and clamped.
A second object of the present invention is to provide a multi-functional pouch clamping device that clamps both the opened and closed state of the M-shaped pouch and the normal pouch, so that the M-shaped pouch can be opened, filled and sealed by an automatic packing machine. For this purpose, the invention adopts the following technical scheme:
the multifunctional bag clamping device is characterized by comprising a front bag clamping mechanism and a rear bag clamping mechanism, wherein the front bag clamping mechanism comprises a front left bag clamping assembly and a front right bag clamping assembly, and the rear bag clamping mechanism comprises a rear left bag clamping assembly and a rear right bag clamping assembly;
the multifunctional bag clamping device is provided with a left-right adjusting mechanism for adjusting the distance between a left side assembly comprising the front left bag clamping assembly and the rear left bag clamping assembly and a right side assembly comprising the front right bag clamping assembly and the rear right bag clamping assembly; the left side assembly is internally provided with a left side front-back displacement driving mechanism for adjusting the distance between the front left bag clamping assembly and the rear left bag clamping assembly, and the right side assembly is internally provided with a right side front-back displacement driving mechanism for adjusting the distance between the front right bag clamping assembly and the rear right bag clamping assembly;
the front left bag clamping assembly, the front right bag clamping assembly, the rear left bag clamping assembly and the rear right bag clamping assembly are respectively provided with independent opening and closing driving mechanisms, so that the front left bag clamping assembly, the front right bag clamping assembly, the rear left bag clamping assembly and the rear right bag clamping assembly can be independently opened and closed.
On the basis of adopting the technical scheme, the invention can also adopt the following further technical schemes or use the further technical schemes in combination:
the bag clamping assembly of the front bag clamping mechanism and the bag clamping assembly of the rear bag clamping mechanism are staggered up and down.
The front bag clamping mechanism is fixed at the front-rear direction, the rear left bag clamping assembly and the rear right bag clamping assembly are respectively connected with the left side front-rear displacement driving mechanism and the right side front-rear displacement driving mechanism, and the distance between the front bag clamping mechanism and the rear bag clamping mechanism is adjusted through the movement of the rear left bag clamping assembly and the rear right bag clamping assembly.
The multifunctional bag clamp device is provided with a left mounting seat and a right mounting seat, and the left mounting seat and the right mounting seat are connected with a left-right adjusting mechanism so as to adjust the distance; the left side front-back displacement driving mechanism and the right side front-back displacement driving mechanism are respectively arranged on the left side mounting seat and the right side mounting seat.
The front bag clamping mechanism is fixed at the front-rear direction, the rear left bag clamping assembly and the rear right bag clamping assembly are respectively connected with the left side front-rear displacement driving mechanism and the right side front-rear displacement driving mechanism, and the distance between the front bag clamping mechanism and the rear bag clamping mechanism is adjusted through the movement of the rear left bag clamping assembly and the rear right bag clamping assembly.
The front left bag clamping assembly and the front right bag clamping assembly respectively comprise a front fixed part and a movable bag clamping element, the front fixed part is connected with a left side mounting seat or a right side mounting seat through a connecting rod, and a front bag clamping driving element is arranged on the front fixed part; the rear left bag clamping assembly and the rear right bag clamping assembly respectively comprise a rear fixing part and a movable bag clamping element, the rear fixing part is connected with a front-rear displacement driving mechanism, and the rear fixing part is provided with a rear bag clamping driving element.
The bag clamping components of the front bag clamping mechanism and the bag clamping components of the rear bag clamping mechanism are staggered up and down, for example, in the height direction, the bag clamping components of the front bag clamping mechanism are arranged below, and the bag clamping components of the rear bag clamping mechanism are arranged above or opposite; in the front-rear direction, a front fixing part in a bag clamping assembly of the front bag clamping mechanism is positioned at the front side, a movable bag clamping element is positioned at the rear side, and a front driving element is positioned at the front side of the front fixing part; in the front-rear direction, the rear fixing part of the bag clamping assembly of the rear bag clamping mechanism is positioned at the rear side, the movable bag clamping element is positioned at the front side, and the rear driving element is positioned at the rear side of the rear fixing part.
By adopting the technical scheme of the invention, the M-shaped bags in the open or closed state can be switched and mechanically clamped as required, so that the M-shaped bags can be opened, filled and sealed by an automatic packaging machine, and the device can be used for opening, closing and clamping common bags.
Drawings
FIG. 1 is a schematic view of a multi-functional pouch clip device of the present invention.
FIG. 2 is a schematic view of a multi-functional pouch clip device of the present invention.
FIG. 3 is a partial exploded view of the multi-functional pouch clip assembly of the present invention.
Fig. 4 is a front view of the multi-functional pouch clip assembly of the present invention.
FIG. 5 is a top view of the multi-functional pouch clip device of the present invention in a front-to-back pouch clip expanded state.
Fig. 6 is a flow chart of an embodiment of the bag opening and closing process of the present invention.
Fig. 7 is a flow chart of another embodiment of the bag opening and closing process of the present invention.
Detailed Description
Reference is made to the accompanying drawings. The multifunctional bag clamping device provided by the invention comprises a front bag clamping mechanism 100 and a rear bag clamping mechanism 200, wherein the front bag clamping mechanism 100 comprises a front left bag clamping assembly and a front right bag clamping assembly, and the rear bag clamping mechanism 200 comprises a rear left bag clamping assembly and a rear right bag clamping assembly.
The multifunctional bag clamping device is provided with a left-right adjusting mechanism for adjusting the distance between a left side assembly comprising the front left bag clamping assembly and the rear left bag clamping assembly and a right side assembly comprising the front right bag clamping assembly and the rear right bag clamping assembly; the left side assembly is internally provided with a left side front-back displacement driving mechanism for adjusting the distance between the front left bag clamping assembly and the rear left bag clamping assembly, and the right side assembly is internally provided with a right side front-back displacement driving mechanism for adjusting the distance between the front right bag clamping assembly and the rear right bag clamping assembly; for the M-shaped bag, the shape change requirement of the bag in the processes of bag connection, bag opening, filling and sealing can be adapted. The front left bag clamping assembly, the front right bag clamping assembly, the rear left bag clamping assembly and the rear right bag clamping assembly are respectively provided with independent opening and closing driving mechanisms, so that the front left bag clamping assembly, the front right bag clamping assembly, the rear left bag clamping assembly and the rear right bag clamping assembly can be independently opened and closed.
For the M-shaped bag 302 in the open state, the front bag clamping mechanism is used for clamping the M-shaped bag and comprises a front edge 311; the rear bag-gripping mechanism is used to grip the rear edge 312 of the M-shaped bag, and when the bag is fed, one of the front bag-gripping mechanism 100 and the rear bag-gripping mechanism 200 receives the M-shaped bag 301 which is not yet opened but is in a folded state and is transferred by the moving mechanism. For a common bag, the front 100 and rear 200 bag clamping mechanisms may be a dual-station bag clamping device, clamping two bags simultaneously.
The bag clamping assembly of the front bag clamping mechanism and the bag clamping assembly of the rear bag clamping mechanism are staggered up and down. Thus, the sealing of the M-shaped bag is more convenient, and the structure meeting the function is simplified. In this embodiment, the bag clamping assembly of the front bag clamping mechanism is located below and the bag clamping assembly of the rear bag clamping mechanism is located above in the height direction.
For the front-rear position adjustment relation, the position of the front bag clamping mechanism in the front-rear direction is fixed, and the rear bag clamping mechanism can be adjusted front and rear, so that the function of an M-shaped bag is guaranteed, and the bag clamping mechanism is more convenient when applied to a common bag. Of course, the opposite relationship is also applicable, and both the front and rear bag-gripping mechanisms are also possible, with the front and rear bag-gripping mechanisms being adjustable back and forth.
In this embodiment, the left back bag clamping assembly and the right back bag clamping assembly are respectively connected to the left side front-back displacement driving mechanism and the right side front-back displacement driving mechanism, and the distance between the front bag clamping mechanism and the rear bag clamping mechanism is adjusted by moving the left back bag clamping assembly and the right back bag clamping assembly.
The multifunctional bag clamping device is provided with a left mounting seat 31 and a right mounting seat 32, and the left mounting seat 31 and the right mounting seat 32 are connected with a left-right adjusting mechanism so as to adjust the distance; the left side front-back displacement driving mechanism and the right side front-back displacement driving mechanism are respectively arranged on the left side mounting seat and the right side mounting seat.
The left and right adjusting mechanism can adopt a transmission mechanism of a screw rod and screw nut combination, the motor 30 drives the screw rod 33 to rotate, the screw nut 36 is connected with the left mounting seat 31 and the right mounting seat 32, and the screw rods 33 on the left side and the right side are opposite in rotation direction, so that the left mounting seat 31 and the right mounting seat 32 can synchronously move at the same speed and in opposite directions. The left-right adjusting mechanism can also adopt displacement adjusting structures with other structures. The multifunctional bag clamping device is provided with a mounting plate 34, the mounting seat of the motor is mounted on the mounting plate 34, and the mounting plate 34 can be further provided with a left side mounting seat 31 and a right side mounting seat 32 left-right displacement guide structure 35. The bag holder assembly may be mounted to the conveyor by mounting plates 34 for being transported in circulation or linearly back and forth through the various stations in turn.
The left side back and forth displacement driving mechanism and the right side back and forth displacement driving mechanism can also adopt a connecting mechanism of a screw rod and screw nut combination, wherein the screw nuts are arranged in the left side mounting seat 31 and the right side mounting seat 32, a driving motor of the left side back and forth displacement driving mechanism and a driving motor 37 of the right side back and forth displacement driving mechanism are respectively arranged in the left side mounting seat 31 and the right side mounting seat 32, the screw rods 4 on the left side and the right side are respectively connected with the screw nuts arranged in the left side mounting seat 31 and the right side mounting seat 32, the motor 37 in the left side mounting seat 31 and the motor 37 in the right side mounting seat 32 can be screw rod motors, the left side screw nuts and the right side screw nuts are respectively driven to rotate, and the left side screw rod 4 and the right side screw rod 4 can be driven to move back and forth.
The bag-in-package assembly is described in further detail below in connection with a preferred embodiment.
As described above, in the present embodiment, the front bag holder mechanism is fixed in position in the front-rear direction. The front left bag clamping assembly and the front right bag clamping assembly respectively comprise a front fixing part 11 and a movable bag clamping element 12, the front fixing part 11 in the left side assembly and the right side assembly is respectively connected with a left side mounting seat 31 and a right side mounting seat 32 through a left side connecting rod 16 and a right side connecting rod 16, a front bag clamping driving element 14 and a guide rod 15 of the movable bag clamping element 12 are arranged on the front fixing part 11, and the movable bag clamping element 12 is sleeved on the guide rod 15 through a hole.
The rear left bag clamping assembly and the rear right bag clamping assembly respectively comprise a rear fixing part 21 and a movable bag clamping element 22, the rear fixing part 21 (or a rear bag clamping driving element 24 described below) in the left side assembly and the right side assembly is respectively connected with a left side and a right side front-back displacement driving mechanism (connected with a screw rod 4), the rear bag clamping driving element 24 is arranged on the rear fixing part 21, and the rear fixing part 21 and the movable bag clamping element 22 are sleeved on the connecting rod 16 through holes, so that the connecting rod 16 can be used as a guide rod.
The front and rear bag- clamping driving elements 14, 24 may employ air cylinders, motors, electromagnets, etc.
The front fixed part 11 and the movable pouch clamping element 12, the rear fixed part 21 and the movable pouch clamping element 22 may form a clamping function structure, respectively. Further, flexible bag clamping elements 13 and 23 may be respectively arranged on the front fixing part 11 and the rear fixing part 21, and a front clamp jaw and a rear clamp jaw are respectively formed by the flexible bag clamping element 13 and the movable bag clamping element 12, and the flexible bag clamping element 23 and the movable bag clamping element 22. As mentioned above, it is a preferred mode that the bag clamping assembly of the front bag clamping mechanism and the bag clamping assembly of the rear bag clamping mechanism are staggered up and down; in the height direction, the bag clamping assembly of the front bag clamping mechanism is arranged below, and the bag clamping assembly of the rear bag clamping mechanism is arranged above, so that the following preferable modes can be combined, and the steps of the device are more compact, and the sealing work is facilitated.
In the front-rear direction, the front fixed part 11 of the bag clamping assembly of the front bag clamping mechanism is positioned on the front side, the movable bag clamping element 12 is positioned on the rear side, and the front driving element 14 is positioned on the front side of the front fixed part 11; in the front-rear direction, the rear fixing part 21 in the bag clamping assembly of the rear bag clamping mechanism is at the rear side, the movable bag clamping element 22 is at the front side, and the rear driving element 23 is at the rear side of the rear fixing part 21.
The transmission mechanism of the screw rod and nut combination can also be replaced by the transmission mechanism of the screw rod and nut combination.
Referring to fig. 6, in conjunction with fig. 1-5, an embodiment of a method for opening and closing an M-shaped bag according to the present invention is as follows, which may employ the bag clamping device described above.
(1) The M-shaped bags folded into sheets are sent to a bag clamping device, the bag clamping device is provided with a front bag clamping mechanism and a rear bag clamping mechanism, and the front bag clamping mechanism 100 of the bag clamping device clamps the side edges of the M-shaped bags which are stacked together; this step may be accomplished at the bagging station. The front bag clamping mechanism 100 adjusts the spacing of the left and right side assemblies to accommodate the bag feeding action by actuation of the left and right adjustment mechanisms and stacks the side edges of the M-shaped bag together by the front left and right bag clamping assemblies by actuation of the front bag clamping actuation member 14.
(2) When the M-shaped bags are clamped and conveyed to a bag opening station by the front bag clamping mechanism 100, the M-shaped bags are received by the suction cup, the front bag wall 313 and the rear bag wall 314 are respectively sucked by the front and rear suction cups 400 capable of moving back and forth, the front bag wall 313 and the rear bag wall 314 are pulled open, the spacing between the left side assembly and the right side assembly of the front bag clamping mechanism 100 and the rear bag clamping mechanism 200 is adjusted by driving of the left side and right side adjusting mechanism to match the bag opening action, the M-shaped bags before opening are delivered to and received again after opening by the suction cup 400 by driving of the front bag clamping driving element 14 and the rear bag clamping driving element 24, and the spacing between the front left bag clamping assembly, the rear left bag clamping assembly, the front right bag clamping assembly and the rear right bag clamping assembly is adjusted by the left side front and rear side displacement driving mechanism in the process.
(3) Before filling, the front bag clamping mechanism 100 and the rear bag clamping mechanism 200 can be further increased in distance by adjusting the left front-rear displacement driving mechanism and the right front-rear displacement driving mechanism, so that the mouth of the bag is fully opened. After filling, the distance between the front bag clamping mechanism and the rear bag clamping mechanism is shortened by adjusting the left side front-rear displacement driving mechanism and the right side front-rear displacement driving mechanism so as to seal the bag, namely, the state indicated by the reference numeral 303.
Referring to fig. 7 in conjunction with fig. 1-5, another embodiment of the method of opening and closing an M-shaped bag of the present invention is as follows, which may also employ the bag gripping device described above.
(1) Feeding the M-shaped bag with separated front and rear side edges to a bag clamping device, wherein the front bag clamping mechanism 100 and the rear bag clamping mechanism 200 are adjusted simultaneously or in advance until the distance between the front bag clamping mechanism 100 and the rear bag clamping mechanism 200 is matched with the distance with separated front and rear side edges, and the front bag clamping mechanism and the rear bag clamping mechanism clamp the front side edges 311 and the rear side edges 312 of the M-shaped bag respectively;
(2) After filling, the spacing between the front 100 and rear 200 pouch clip mechanisms is shortened to effect the sealing of the pouch.
The M-shaped bag with the front and rear side edges separated is only opened in a folded state (as shown in the left side of the bag in fig. 7, which is similar to the illustration of the second bag from the left side in fig. 6), and after the front and rear side edges of the M-shaped bag are clamped by the front bag clamping mechanism and the rear bag clamping mechanism, the bag is opened to an opening size suitable for filling by the movement of the front bag clamping mechanism and the rear bag clamping mechanism in the front and rear direction under the control of a program (as shown in the middle bag figure in fig. 7).
As in the previous embodiments, when the front and rear bag clamping mechanisms of the bag clamping device receive the M-shaped bag, the bag clamping device is moved to the two sides and adjusts the front and rear distances, and when the bag clamping device is adjusted to a proper front and rear position, the front and rear edges of the bag are moved together and clamped.
The above embodiments are merely examples of the present invention, but the present invention is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present invention.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the invention and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Claims (13)
1. A method for opening and closing a bag, characterized by comprising the steps of:
(1) The M-shaped bags folded into sheets are sent to a bag clamping device, the bag clamping device is provided with a front bag clamping mechanism and a rear bag clamping mechanism, and two side edges of the M-shaped bags are clamped by one of the front bag clamping mechanism and the rear bag clamping mechanism of the bag clamping device;
(2) Before and after opening the bag, the bag clamping device and the bag opening assembly capable of moving back and forth are connected with the M-shaped bag and the M-shaped bag which is received again after opening the bag, and when the bag is opened, the bag opening assembly capable of moving back and forth is adopted to respectively open the front bag wall and the rear bag wall so as to open the front bag wall and the rear bag wall;
(3) After filling, the spacing between the front and rear bag-gripping mechanisms is shortened to effect bag closure.
2. The bag opening and closing method as claimed in claim 1, wherein the bag opening is performed by opening only the folded bag, and opening the bag to an opening size suitable for filling by moving the front bag clamping mechanism and the rear bag clamping mechanism in a front-rear direction under program control after opening the bag and before filling.
3. A method of opening and closing a bag as claimed in claim 1 or claim 2, wherein after the bag is delivered to the opening mechanism at the opening station, the bag gripping means is moved to the sides and the front-rear distance is adjusted, and when the front-rear distance is adjusted to a suitable position, the two sides of the bag are moved together and the opened bag is gripped.
4. A method for opening and closing a bag, characterized by comprising the steps of:
(1) The method comprises the steps that an M-shaped bag with separated front and rear side edges is sent to a bag clamping device, the bag clamping device is provided with a front bag clamping mechanism and a rear bag clamping mechanism which are respectively used for clamping the front side edges and the rear side edges of the M-shaped bag, the front bag clamping mechanism and the rear bag clamping mechanism are adjusted to match the distance between the front bag clamping mechanism and the rear bag clamping mechanism and the distance between the front side edges and the rear side edges, and the front side edges and the rear side edges of the M-shaped bag are respectively clamped by the front bag clamping mechanism and the rear bag clamping mechanism;
(2) After filling, the spacing between the front and rear bag-gripping mechanisms is shortened to effect bag closure.
5. The opening and closing method of a pouch according to claim 1, wherein the M-shaped pouch having separated front and rear side edges is opened only in a folded state, and the pouch is opened to an opening size suitable for filling by a movement of the front and rear pouch clamping mechanisms in a front and rear direction under program control after the front and rear side edges of the M-shaped pouch are clamped by the front and rear pouch clamping mechanisms.
6. A method of opening and closing a bag as claimed in claim 1 or 2, wherein when the front and rear bag-gripping mechanisms of the bag-gripping device receive the M-shaped bag, the bag-gripping device is moved to both sides and adjusts the front and rear distances, and when the bag-gripping device is adjusted to a proper front and rear position, the bag-gripping device is moved to both sides and grips both sides.
7. The multifunctional bag clamping device is characterized by comprising a front bag clamping mechanism and a rear bag clamping mechanism, wherein the front bag clamping mechanism comprises a front left bag clamping assembly and a front right bag clamping assembly, and the rear bag clamping mechanism comprises a rear left bag clamping assembly and a rear right bag clamping assembly;
the multifunctional bag clamping device is provided with a left-right adjusting mechanism for adjusting the distance between a left side assembly comprising the front left bag clamping assembly and the rear left bag clamping assembly and a right side assembly comprising the front right bag clamping assembly and the rear right bag clamping assembly; the left side assembly is internally provided with a left side front-back displacement driving mechanism for adjusting the distance between the front left bag clamping assembly and the rear left bag clamping assembly, and the right side assembly is internally provided with a right side front-back displacement driving mechanism for adjusting the distance between the front right bag clamping assembly and the rear right bag clamping assembly;
the front left bag clamping assembly, the front right bag clamping assembly, the rear left bag clamping assembly and the rear right bag clamping assembly are respectively provided with independent opening and closing driving mechanisms, so that the front left bag clamping assembly, the front right bag clamping assembly, the rear left bag clamping assembly and the rear right bag clamping assembly can be independently opened and closed.
8. The multi-purpose bag clamping apparatus of claim 7 wherein the bag clamping assembly of the front bag clamping mechanism and the bag clamping assembly of the rear bag clamping mechanism are staggered vertically.
9. The multi-purpose bag holder assembly of claim 7, wherein the front bag holder mechanism is fixed in position in the front-rear direction, and the rear left bag holder assembly and the rear right bag holder assembly are connected to the left side front-rear displacement drive mechanism and the right side front-rear displacement drive mechanism, respectively, and the distance between the front bag holder mechanism and the rear bag holder mechanism is adjusted by the movement of the rear left bag holder assembly and the rear right bag holder assembly.
10. The multifunctional bag clamping device according to claim 7, wherein a left mounting seat and a right mounting seat are arranged, and the left mounting seat and the right mounting seat are connected with a left-right adjusting mechanism so as to adjust the distance; the left side front-back displacement driving mechanism and the right side front-back displacement driving mechanism are respectively arranged on the left side mounting seat and the right side mounting seat.
11. The multi-purpose bag holder assembly of claim 10, wherein the front bag holder mechanism is fixed in position in the front-rear direction, and the rear left bag holder assembly and the rear right bag holder assembly are connected to the left side front-rear displacement drive mechanism and the right side front-rear displacement drive mechanism, respectively, and the distance between the front bag holder mechanism and the rear bag holder mechanism is adjusted by the movement of the rear left bag holder assembly and the rear right bag holder assembly.
12. The multi-purpose bag clamping device as recited in claim 10, wherein said front left and right bag clamping assemblies include a front fixed member and a movable bag clamping element, respectively, said front fixed member being connected to either the left or right side mounting base by a connecting rod, said front fixed member having a front bag clamping drive element mounted thereon;
the rear left bag clamping assembly and the rear right bag clamping assembly respectively comprise a rear fixing part and a movable bag clamping element, the rear fixing part is connected with a front-rear displacement driving mechanism, and the rear fixing part is provided with a rear bag clamping driving element.
13. The multi-purpose bag clamping device as recited in claim 12, wherein said front bag clamping mechanism and said rear bag clamping mechanism are vertically offset;
in the front-rear direction, a front fixing part in a bag clamping assembly of the front bag clamping mechanism is positioned at the front side, a movable bag clamping element is positioned at the rear side, and a front driving element is positioned at the front side of the front fixing part;
in the front-rear direction, the rear fixing part of the bag clamping assembly of the rear bag clamping mechanism is positioned at the rear side, the movable bag clamping element is positioned at the front side, and the rear driving element is positioned at the rear side of the rear fixing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451042.3A CN116198802A (en) | 2021-12-01 | 2021-12-01 | Multifunctional bag clamping device and bag opening and closing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451042.3A CN116198802A (en) | 2021-12-01 | 2021-12-01 | Multifunctional bag clamping device and bag opening and closing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116198802A true CN116198802A (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111451042.3A Pending CN116198802A (en) | 2021-12-01 | 2021-12-01 | Multifunctional bag clamping device and bag opening and closing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116198802A (en) |
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2021
- 2021-12-01 CN CN202111451042.3A patent/CN116198802A/en active Pending
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