CN112061491A - Vacuum bag pre-opening process - Google Patents

Vacuum bag pre-opening process Download PDF

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Publication number
CN112061491A
CN112061491A CN202011088035.7A CN202011088035A CN112061491A CN 112061491 A CN112061491 A CN 112061491A CN 202011088035 A CN202011088035 A CN 202011088035A CN 112061491 A CN112061491 A CN 112061491A
Authority
CN
China
Prior art keywords
bag
vacuum
opening
film
rotating arm
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
CN202011088035.7A
Other languages
Chinese (zh)
Inventor
罗邦毅
杨富军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yongchuang Intelligent Equipment Co Ltd
Original Assignee
Shenzhen Yongchuang Intelligent Equipment Co Ltd
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 Shenzhen Yongchuang Intelligent Equipment Co Ltd filed Critical Shenzhen Yongchuang Intelligent Equipment Co Ltd
Priority to CN202011088035.7A priority Critical patent/CN112061491A/en
Publication of CN112061491A publication Critical patent/CN112061491A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • 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
    • B65B43/04—Forming flat bags from webs
    • 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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146—Closing bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/10—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using heated wires or cutters

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)

Abstract

A vacuum bag pre-opening process comprises a membrane transmission assembly, a hot cutting mechanism, a vacuum transmission belt and a vacuum bag pre-opening arm, and is characterized in that the membrane transmission assembly is arranged at one end of the vacuum transmission belt, and the hot cutting mechanism is arranged between the membrane transmission assembly and the vacuum transmission belt; the other end of the vacuum conveying belt is provided with a vacuum bag pre-opening arm; the vacuum bag pre-opening arm is provided with a motor and a rotating arm; the device fixes the synchronous transmission film drawing through the vacuum transmission belt, and the hot cutting mechanism can perform hot cutting only by waiting for the packaging film to be in place, so that the arrangement of stations is reduced; the rotary arm can complete avoidance of the bag opening device while pre-opening the bag, and avoidance steps are reduced, so that the production efficiency is improved.

Description

Vacuum bag pre-opening process
Technical Field
The invention relates to the field of packaging and bag making, in particular to a vacuum bag pre-opening process.
Background
In the pre-opening process of the prior packaging film bag making, most of the packaging film is adsorbed by an upper bag opening suction nozzle and a lower bag opening suction nozzle and then moves up and down respectively, so that the packaging bag is opened to complete pre-opening, and finally, the packaging bag is completely opened by a bag opening device; however, the bag pre-opening mode has more processes in the conveying process of the packaging bags, and the bag opening devices are avoided when the bag pre-opening is finished by the upper bag opening suction nozzles and the lower bag opening suction nozzles during evacuation, so that the single bag making time is increased, and the bag making efficiency is low easily when the reset time is unreasonable to allocate.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a vacuum bag pre-opening process, which can effectively solve the problems in the background art.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a vacuum bag pre-opening process comprises the following steps:
firstly, film transmission: the film transmission component pushes the folded double-layer film out of the vacuum transmission belt, the vacuum adsorption holes adsorb and fix the lower layer film of the folded double-layer film, and the folded double-layer film is pulled out along with the synchronous driving of the transmission belt;
cutting the film: after the folded double-layer film is pulled out to a limited length by the vacuum conveying belt, the vacuum conveying belt suspends the transmission, the hot cutting mechanism performs hot cutting on the folded double-layer film, and the folded double-layer film forms a single-opening packaging bag and is adsorbed on the vacuum conveying belt;
③ passing the bag: resetting the hot cutting mechanism after hot cutting, re-operating the vacuum conveying belt, and suspending transmission of the vacuum conveying belt after the packaging bags are conveyed to the limited position;
fourthly, sucking the bag: the motor works to enable the rotating arm to rotate and press downwards, the adsorption block presses downwards to be attached to the upper side of the packaging bag, and the adsorption block adsorbs and fixes an upper bag film of the packaging bag;
pre-opening the bag: the motor rotates reversely to lift the rotating arm, and the adsorption block drives the upper bag film and the lower bag film of the single-opening packaging bag to separate to form an opening.
In a further preferred embodiment of the present invention, the bag film of the single-opening bag is fixed by suction by a vacuum transfer belt.
As a further preferred version of the invention, the pivoted arm is reset at the same time as the pivoted arm is lifted to pre-open the pocket.
As a further preferable scheme of the invention, one end of the vacuum conveying belt is provided with a membrane transmission assembly, and a hot cutting mechanism is arranged between the membrane transmission assembly and the vacuum conveying belt; and a vacuum bag pre-opening arm is arranged at the other end of the vacuum conveying belt.
As a further preferable scheme of the invention, the membrane conveying component is provided with a folded double-layer membrane for winding and fixing; the folded double-layer film is in through connection with the hot cutting mechanism, and a hot cutting knife is arranged above the folded double-layer film, and a hot cutting backing plate is arranged below the folded double-layer film.
As a further preferable aspect of the present invention, the vacuum bag pre-opening arm has a motor and a rotating arm; and the output end of the motor is fixedly connected with the rotating arm.
As a further preferable scheme of the invention, the rotating arm is provided with an adsorption block, and the adsorption block is vertically fixed with the rotating arm; the adsorption block is provided with an adsorption fixing hole.
As a further preferable aspect of the present invention, the adsorption block protrudes from the rotating arm, and a protruding distance of the adsorption block is the same as a horizontal height between the rotating arm and the vacuum transmission belt; the rotating arm is close to the side edge of the vacuum conveying belt, and the opening of the folded double-layer film is positioned at the same side as the rotating arm.
Compared with the prior art, the invention provides a vacuum bag pre-opening process, which has the following beneficial effects:
the device fixes the synchronous transmission film drawing through the vacuum transmission belt, and the hot cutting mechanism can perform hot cutting only by waiting for the packaging film to be in place, so that the arrangement of stations is reduced; the rotary arm can complete avoidance of the bag opening device while pre-opening the bag, and avoidance steps are reduced, so that the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the bag pre-opening process of the present invention;
FIG. 3 is a schematic view of the connection structure of the vacuum conveyer belt and the vacuum bag pre-opening arm according to the present invention;
FIG. 4 is a process flow diagram of the present invention;
wherein: 1. the device comprises a film conveying component, 2, a hot cutting mechanism, 3, a vacuum conveying belt, 4, a vacuum bag pre-opening arm, 4-1, a motor, 4-2, a rotating arm, 4-3 and an adsorption block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The invention provides a vacuum bag pre-opening process, which comprises the following steps:
firstly, film transmission: the film transmission component 1 pushes the folded double-layer film out to the vacuum transmission belt 3, the vacuum absorption holes absorb and fix the lower layer film of the folded double-layer film, and the folded double-layer film is pulled out along with the synchronous driving of the transmission belt 3-2;
cutting the film: after the folded double-layer film is pulled out to a limited length by the vacuum conveying belt 3, the vacuum conveying belt 3 stops transmission, the hot cutting mechanism 2 carries out hot cutting on the folded double-layer film, and the folded double-layer film forms a single-opening packaging bag and is adsorbed on the vacuum conveying belt 3;
③ passing the bag: the hot cutting mechanism 2 resets after hot cutting, the vacuum conveying belt 3 operates again, and after the packaging bags are conveyed to a limited position, the vacuum conveying belt 3 stops conveying;
fourthly, sucking the bag: the motor 4-1 works to enable the rotating arm 4-2 to rotate and press downwards, the adsorption block 4-3 presses downwards to be attached to the upper side of the packaging bag, and the adsorption block 4-3 adsorbs and fixes the upper layer of bag film of the packaging bag;
pre-opening the bag: the motor 4-1 rotates reversely to lift the rotating arm 4-2, and the adsorption block 4-3 drives the upper bag film and the lower bag film of the single-opening packaging bag to separate to form an opening.
In a further preferred embodiment of the present invention, the vacuum transfer belt 3 adsorbs and fixes the lower bag film of the single-opening bag when the bag is pre-opened.
As a further preferred version of the invention, the pivoted arm 4-2 is reset at the same time as the pivoted arm 4-2 is lifted to pre-open the pocket.
As a further preferable scheme of the invention, one end of the vacuum conveying belt 3 is provided with a membrane transmission component 1, and a hot cutting mechanism 2 is arranged between the membrane transmission component 1 and the vacuum conveying belt 3; and a vacuum bag pre-opening arm 4 is arranged at the other end of the vacuum conveying belt 3.
As a further preferable scheme of the invention, the membrane conveying component 1 is provided with a folded double-layer membrane for winding and fixing; the folded double-layer film is connected with the hot cutting mechanism 2 in a penetrating way, and a hot cutting knife is arranged above the folded double-layer film, and a hot cutting backing plate is arranged below the folded double-layer film.
As a further preferable scheme of the invention, the vacuum bag pre-opening arm 4 is provided with a motor 4-1 and a rotating arm 4-2; the output end of the motor 4-1 is fixedly connected with the rotating arm 4-2.
As a further preferable scheme of the invention, the rotating arm 4-2 is provided with an adsorption block 4-3, and the adsorption block 4-3 is vertically fixed with the rotating arm 4-2; the adsorption block 4-3 is provided with an adsorption fixing hole.
As a further preferable aspect of the present invention, the adsorption block 4-3 protrudes from the rotating arm 4-2, and the adsorption block 4-3 protrudes by the same distance as the horizontal height between the rotating arm 4-2 and the vacuum conveyor belt 3; the rotating arm 4-2 is close to the side edge of the vacuum conveying belt 3, and the opening of the folded double-layer film is arranged at the same side as the rotating arm 4-2.
As a specific embodiment of the present invention:
the film transmission component 1 pushes the folded double-layer film outwards, the pushed part of the folded double-layer film falls on the vacuum transmission belt 3 through the hot cutting mechanism 2, the lower layer film of the folded double-layer film is adsorbed and fixed by the vacuum transmission belt 3, and the folded double-layer film is pulled out of the film roll 1 along with the synchronous transmission of the vacuum transmission belt 3; when the folded double-layer film is conveyed to a limited length by the vacuum conveying belt 3, the vacuum conveying belt 3 and the film conveying component 1 pause transmission, the hot cutting mechanism 2 carries out hot cutting on the folded double-layer film, and the upper layer and the lower layer of the folded double-layer film at the hot cutting part are fixed by hot melting through the hot cutting mechanism 2 to form a single-opening packaging bag; after the hot cutting is finished, the vacuum conveying belt 3 continues to transmit, and the packaging bag is conveyed to a limited bag pre-opening position and then is suspended; the rotating arm 4-2 is rotated and pressed downwards by the motor 4-1 until the rotating arm is parallel to the 4-2 vacuum transmission belt 1, the adsorption block 4-3 is pressed and attached to an upper bag film of a packaging bag, the upper bag film of the packaging bag is adsorbed and fixed by the adsorption fixing hole, after the fixing, the rotating arm 4-2 is lifted upwards by the motor 4-1 in a reverse rotation mode, the adsorption block 4-3 drives the upper bag film of the packaging bag to be separated from the lower bag film, the upper bag film and the lower bag film of the packaging bag are opened to form an opening, and meanwhile, the rotating arm 4-2 begins to reset, so that a bag pre-opening.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A vacuum bag pre-opening process comprises the following steps:
film transmission: the film transmission component (1) pushes the folded double-layer film out of the vacuum transmission belt (3), the vacuum absorption holes absorb and fix the lower layer film of the folded double-layer film, and the folded double-layer film is pulled out along with the synchronous driving of the transmission belt (3-2);
cutting a film: after the folded double-layer film is pulled out to a limited length by the vacuum conveying belt (3), the vacuum conveying belt (3) stops transmitting, the hot cutting mechanism (2) carries out hot cutting on the folded double-layer film, and the folded double-layer film forms a single-opening packaging bag and is adsorbed on the vacuum conveying belt (3);
bag conveying: the hot cutting mechanism (2) resets after hot cutting, the vacuum conveying belt (3) operates again, and after the packaging bags are conveyed to a limited position, the vacuum conveying belt (3) suspends transmission;
suction of a bag: the motor (4-1) works to enable the rotating arm (4-2) to rotate and press downwards, the adsorption block (4-3) presses downwards to be attached to the upper side of the packaging bag, and the adsorption block (4-3) adsorbs and fixes an upper bag film of the packaging bag;
pre-opening a bag: the motor (4-1) rotates reversely to lift the rotating arm (4-2), and the adsorption block (4-3) drives the upper bag film and the lower bag film of the single-opening packaging bag to separate to form an opening.
2. The vacuum bag pre-opening process as claimed in claim 1, wherein the vacuum conveyor belt (3) is used for adsorbing and fixing the lower bag film of the single-opening bag during bag pre-opening.
3. A vacuum bag pre-opening process according to claim 1, wherein when the rotating arm (4-2) lifts the pre-opening bag, the rotating arm (4-2) starts to reset.
4. The vacuum bag pre-opening process as claimed in claim 1, wherein a film conveying component (1) is arranged at one end of the vacuum conveying belt (3), and a hot cutting mechanism (2) is arranged between the film conveying component (1) and the vacuum conveying belt (3); the other end of the vacuum transmission belt (3) is provided with a vacuum bag pre-opening arm (4).
5. The membrane-conveying assembly according to claim 4, characterized in that the membrane-conveying assembly (1) is provided with a folded double-layer membrane winding fixture; the folded double-layer film is in through connection with the hot cutting mechanism (2), and a hot cutting knife is arranged above the folded double-layer film, and a hot cutting backing plate is arranged below the folded double-layer film.
6. The vacuum pre-bag opening arm according to claim 4, characterized in that the vacuum pre-bag opening arm (4) has a motor (4-1) and a rotating arm (4-2); the output end of the motor (4-1) is fixedly connected with the rotating arm (4-2).
7. The vacuum pre-bag opening arm according to claim 6, characterized in that the rotating arm (4-2) is provided with a suction block (4-3), and the suction block (4-3) is vertically fixed with the rotating arm (4-2); the adsorption block (4-3) is provided with an adsorption fixing hole.
8. The vacuum pre-bag-opening arm according to claim 7, characterized in that the suction block (4-3) protrudes from the rotating arm (4-2), and the suction block (4-3) protrudes by the same distance as the horizontal height between the rotating arm (4-2) and the vacuum conveyor belt (3); the rotating arm (4-2) is close to the side edge of the vacuum conveying belt (3), and the opening of the folded double-layer film is arranged at the same side as the rotating arm (4-2).
CN202011088035.7A 2020-10-13 2020-10-13 Vacuum bag pre-opening process Withdrawn CN112061491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011088035.7A CN112061491A (en) 2020-10-13 2020-10-13 Vacuum bag pre-opening process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011088035.7A CN112061491A (en) 2020-10-13 2020-10-13 Vacuum bag pre-opening process

Publications (1)

Publication Number Publication Date
CN112061491A true CN112061491A (en) 2020-12-11

Family

ID=73655047

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011088035.7A Withdrawn CN112061491A (en) 2020-10-13 2020-10-13 Vacuum bag pre-opening process

Country Status (1)

Country Link
CN (1) CN112061491A (en)

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Application publication date: 20201211