CN112919209A - Printing and orderly stacking device for plastic woven packaging bags - Google Patents

Printing and orderly stacking device for plastic woven packaging bags Download PDF

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Publication number
CN112919209A
CN112919209A CN202110249222.7A CN202110249222A CN112919209A CN 112919209 A CN112919209 A CN 112919209A CN 202110249222 A CN202110249222 A CN 202110249222A CN 112919209 A CN112919209 A CN 112919209A
Authority
CN
China
Prior art keywords
bag
plastic woven
arc
box body
shaped box
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.)
Pending
Application number
CN202110249222.7A
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Chinese (zh)
Inventor
王开杰
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.)
Guoyang County Lida Plastic Packing Products Co ltd
Original Assignee
Guoyang County Lida Plastic Packing Products 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 Guoyang County Lida Plastic Packing Products Co ltd filed Critical Guoyang County Lida Plastic Packing Products Co ltd
Priority to CN202110249222.7A priority Critical patent/CN112919209A/en
Publication of CN112919209A publication Critical patent/CN112919209A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58Article switches or diverters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/16Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241Suction devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/02Pile receivers with stationary end support against which pile accumulates

Abstract

The invention relates to the technical field of plastic woven bag stacking devices, in particular to a printing tidy stacking device for plastic woven packaging bags, which comprises a belt conveyor, wherein the belt conveyor conveys horizontally or vertically arranged plastic woven bags, a bag receiving box for receiving the plastic woven bags is arranged at the tail end of the belt conveyor, a bag rotating device for rotating the plastic woven bags by one hundred eighty degrees is arranged above the belt conveyor, the bag rotating device is provided with a bag inlet end and a bag outlet end, the bag inlet end is positioned right above the belt conveyor, the bag outlet end is positioned right above the bag receiving box, and the plastic woven bags enter the bag rotating device through the bag inlet end and are discharged into the bag receiving box through the bag outlet end. The device can achieve the purpose that the heights of the two ends of the plastic woven bag after being stacked are equal, the plastic woven bag can be stacked more neatly, the plastic woven bag is prevented from inclining to one side, and the labor intensity of workers is reduced.

Description

Printing and orderly stacking device for plastic woven packaging bags
Technical Field
The invention relates to the technical field of plastic woven bag stacking devices, in particular to a printing and orderly stacking device for plastic woven packaging bags.
Background
Carry out color printing, peritoneum after the production of weaving the bag is accomplished, need stack the braided bag of certain quantity together so that further parcel at last as required, if adopt the manual work to count and put things in good order then inefficiency, the error rate is high, consequently increases the bagging apparatus of folding on the production line of weaving the bag and is indispensable. In addition, because the hem bag bottom of braided bag is thicker, if all braided bags stack in the same direction then can cause the braided bag to pile up the unevenness, influence the subsequent handling, consequently need fold the braided bag of certain quantity in the process of stacking of braided bag and trade the direction and stack promptly, make the hem bag bottom of braided bag stack with the sack each other in turn in order to guarantee that the braided bag finally piles up neatly. However, the existing automatic stacking device can only stack woven bags in the same direction, so that manual reversing is still needed, the automation degree is not high, and the production cost is high.
Disclosure of Invention
The invention aims to solve the defect of uneven stacking of plastic woven bags in the prior art, and provides a printing and tidying stacking device for plastic woven bags.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a print of moulding and weaving wrapping bag is neatly stacked device, includes and takes the conveyer, take to carry on the conveyer and violently put or erect the mould of putting and compile the bag, take the conveyer end to be equipped with and be used for receiving the bag case that connects of moulding and compiling the bag, it is equipped with the bag rotary device who is used for moulding the rotatory one hundred eighty degrees of bag to compile the conveyer top to take the conveyer, bag rotary device has into bag end, goes out the bag end, it is located directly over the conveyer to advance the bag end, it is located and connects directly over the bag case to go out the bag end, moulds and compiles the bag and passes through it gets into bag rotary device, passes through to advance the bag end go into connect the bag incasement.
The bag rotary device comprises an arc-shaped box body, the horizontal section of the arc-shaped box body is of a similar semicircular structure, an air cavity is formed in the arc-shaped box body, the arc-shaped box body is connected with an air suction pump communicated with the air cavity, an air suction hole communicated with the air cavity is formed in an arc-shaped box body bottom plate, two arc-shaped limiting plates are fixedly connected to the arc-shaped box body bottom plate and form an arc-shaped track with the arc-shaped box body bottom plate, a plurality of notches are formed in the arc-shaped box body bottom plate, rollers are rotatably connected in the notches, at least parts of the rollers are protruded out of the bottom plate.
The supporting shaft is rotatably connected in the notch and is arranged along the radial direction of the arc box body, the rollers are coaxially and fixedly connected to the supporting shaft, the inner side surface of the arc box body is of a semicircular structure, and a driving wheel is fixedly connected to one end, penetrating through the inner side surface of the arc box body, of the supporting shaft; the power rotating mechanism comprises a disc, the disc and a semicircular structure on the inner side surface of the arc-shaped box body are concentrically arranged, the disc is connected with a rotating motor in a transmission manner, and the bottom surface of the disc is in friction transmission with a plurality of transmission wheels on the supporting shaft.
The width of the bag inlet end is larger than that of the plastic woven bag, the width of the bag outlet end is slightly larger than that of the plastic woven bag, and the arc-shaped track part between the bag inlet end and the bag outlet end is in smooth transition.
The printing and orderly stacking device for the plastic woven packaging bags, provided by the invention, has the beneficial effects that: the device can achieve the purpose that the heights of the two ends of the plastic woven bag after being stacked are equal, the plastic woven bag can be stacked more neatly, the plastic woven bag is prevented from inclining to one side, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the belt conveyor of the present invention;
FIG. 3 is a schematic bottom view of the bag rotator of the present invention;
FIG. 4 is a schematic view of the structure of the movement relationship of the plastic woven bag transversely placed in the arc-shaped case body;
fig. 5 is a schematic view of the structure of the movement relationship of the vertically arranged plastic woven bag in the arc-shaped box body.
In the figure: the bag-making machine comprises a plastic woven bag 1, a bag inlet end 2, an arc-shaped box body 3, a rotating motor 4, a disc 5, a driving wheel 6, an air cavity 7, an air suction pump 8, a bag outlet end 9, an air suction hole 10, an arc-shaped limiting plate 11, a bag receiving box 12, a roller 13, a belt conveyor 14, a notch 15 and a support shaft 16.
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.
Referring to fig. 1-5, a printing and tidying stacking device for plastic woven packaging bags comprises a belt conveyor 14, a horizontally or vertically arranged plastic woven bag 1 is conveyed on the belt conveyor 14, a bag receiving box 12 for receiving the plastic woven bag 1 is arranged at the tail end of the belt conveyor 14, a bag rotating device for rotating the plastic woven bag 1 by one hundred eighty degrees is arranged above the belt conveyor 14, the bag rotating device is provided with a bag inlet end 2 and a bag outlet end 9, the bag inlet end 2 is located right above the belt conveyor 14, the bag outlet end 9 is located right above the bag receiving box 12, and the plastic woven bag 1 enters the bag rotating device through the bag inlet end 2 and is discharged into the bag receiving box 12 through the bag outlet end 9.
When the plastic woven bags are stacked, referring to fig. 1-2, firstly, the plastic woven bags with the downward folded edges are conveyed to the bag receiving box 12 through the belt conveyor 14 to be stacked together, wherein the folded edges are downward and are described by the position of fig. 2, in the actual operation process, the plastic woven bags are conveyed on the horizontal plane, then the bag rotating device is started, the plastic woven bags are rotated by 180 degrees through the bag rotating device and then conveyed into the bag receiving box 12 in an equivalent amount, so that the purpose of equal height of two ends of the stacked plastic woven bags is achieved, the plastic woven bags can be stacked more orderly, the plastic woven bags are prevented from inclining to one side, the labor intensity of workers is reduced, and preferably, a photoelectric counter is arranged at the position of the belt conveyor 14 on the front side of the bag rotating device, so that the plastic woven bags placed in the forward and reverse directions and in the same amount can be stacked more accurately.
Referring to fig. 1 and 3-5, the bag rotating device comprises an arc-shaped box body 3, the horizontal section of the arc-shaped box body 3 is of a similar semicircular structure and is not of a complete semicircular structure, an air cavity 7 is arranged inside the arc-shaped box body 3, the arc-shaped box body 3 is connected with an air pump 8 communicated with the air cavity 7, the bottom plate of the arc-shaped box body 3 is provided with an air suction hole 10 communicated with the air cavity 7, the arc-shaped box body 3 is arranged close to a belt conveyor 14 to facilitate sucking a plastic woven bag onto the bottom plate of the arc-shaped box body 3, the bottom plate of the arc-shaped box body 3 is fixedly connected with two arc-shaped limiting plates 11, the two limiting plates 11 and the bottom plate of the arc-shaped box body 3 form an arc-shaped track for limiting the plastic woven bag moving in the arc-shaped track, the bottom plate of the arc-shaped box body 3 is provided with a plurality, the roller 13 is connected with a power rotating mechanism in a transmission way.
After a certain number of plastic woven bags are conveyed into the bag receiving box 12 by the belt conveyor 14, the air suction pump 8 is started to suck air, the power rotating mechanism is started to drive the roller 13 to rotate, the plastic woven bags pass below the bag inlet end 2 of the arc-shaped box 3, the plastic woven bags are adsorbed on the bottom plate of the arc-shaped box 3 under the air suction effect, the plastic woven bags are conveyed to the bag outlet end 9 from the bag inlet end 2 under the limiting effect of the limiting plate 11 and under the friction driving effect of the roller 13, and finally the plastic woven bags are discharged into the bag receiving box 12.
A supporting shaft 16 is rotatably connected in the notch 15, the supporting shaft 16 is arranged along the radial direction of the arc-shaped box body 3, the roller 13 is coaxially and fixedly connected on the supporting shaft 16, the inner side surface of the arc-shaped box body 3 is of a semicircular structure, and one end of the supporting shaft 16 penetrating through the inner side surface of the arc-shaped box body 3 is fixedly connected with a driving wheel 6; the power rotating mechanism comprises a disc 5, the disc 5 and a semicircular structure on the inner side surface of the arc-shaped box body 3 are concentrically arranged, the disc 5 is in transmission connection with a rotating motor 4, the bottom surface of the disc 5 is in friction transmission with the transmission wheels 6 on the support shafts 16, the transmission wheels 6 and the rollers 13 are made of rubber, or a layer of rubber material is coated on the outer surface of the transmission wheels to increase friction force.
All the driving wheels 6 are driven to rotate simultaneously through the rotation of the disc 5, and the disc 5 can be replaced by a circular annular plate, so that the material is saved.
The width of the bag inlet end 2 is larger than that of the plastic woven bag 1, the width of the bag outlet end 9 is slightly larger than that of the plastic woven bag 1, the arc-shaped track part between the bag inlet end 2 and the bag outlet end 9 is in smooth transition, the width of the bag inlet end 2 is larger than that of the plastic woven bag, for example, 1.5-2 times of the width of the plastic woven bag, wherein the width is the width defined in the direction of the main view and is not the width of the short side of the plastic woven bag, as shown in fig. 4, the width refers to the short side of the plastic woven bag, as shown in fig. 5, the width refers to the long side of the plastic woven bag, because the belt conveyor 14 moves, if the bag inlet end 2 is arranged to be narrower, the plastic woven bag is difficult to enter the preset arc-shaped track under the.
Preferably, the conveying speed of the plastic woven bag on the bag rotating device is higher than that of the plastic woven bag on the belt conveyor 14, so that the belt conveyor 14 can work without stopping, the rotating motor 4 is connected with the controller, meanwhile, the controller is connected with the counter and the air suction pump 8, when the count of the counter reaches a set value, the bag rotating device is started, and when the bag rotating device conveys a certain amount, the bag rotating device is closed, so that intelligent control is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solutions, concepts and designs obtained by equivalent substitutions or changes of the technical solutions and the inventive concepts of the present invention by those skilled in the art within the technical scope of the present invention shall be covered by the scope of the present invention.

Claims (4)

1. The utility model provides a printing of plastic woven packaging bag is neatly stacked device, includes takes conveyer (14), take conveyer (14) to go up to carry horizontal or erect plastic woven bag (1) of putting, take conveyer (14) end to be equipped with and be used for receiving connect bag case (12) of plastic woven bag (1), its characterized in that, take conveyer (14) top to be equipped with and be used for the rotatory one hundred eighty degrees's of plastic woven bag (1) bag rotary device, bag rotary device has into bag end (2), play bag end (9), it is located directly over taking conveyer (14) to advance bag end (2), go out bag end (9) and be located directly over connecing bag case (12), plastic woven bag (1) passes through it enters bag rotary device, pass through to advance bag end (2) go out bag end (9) and arrange into connect in bag case (12).
2. The printing tidy stacking device for the plastic woven packaging bags according to claim 1, characterized in that the bag rotating device comprises an arc-shaped box body (3), the horizontal section of the arc-shaped box body (3) is of a semi-circular structure, an air cavity (7) is arranged inside the arc-shaped box body (3), the arc-shaped box body (3) is connected with an air pump (8) communicated with the air cavity (7), the bottom plate of the arc-shaped box body (3) is provided with an air suction hole (10) communicated with the air cavity (7), the bottom plate of the arc-shaped box body (3) is fixedly connected with two arc-shaped limiting plates (11), the two limiting plates (11) and the bottom plate of the arc-shaped box body (3) form an arc-shaped track, the bottom plate of the arc-shaped box body (3) is provided with a plurality of notches (15), rollers (13) are rotatably connected in the notches (15), and the, the roller (13) is connected with a power rotating mechanism in a transmission way.
3. The printing tidy stacking device for the plastic woven packaging bags according to claim 2 is characterized in that a supporting shaft (16) is rotatably connected in the notch (15), the supporting shaft (16) is radially arranged along the arc-shaped box body (3), the rollers (13) are coaxially and fixedly connected to the supporting shaft (16), the inner side surface of the arc-shaped box body (3) is of a semicircular structure, and a driving wheel (6) is fixedly connected to one end, penetrating through the inner side surface of the arc-shaped box body (3), of the supporting shaft (16); the power rotating mechanism comprises a disc (5), the disc (5) and a semicircular structure on the inner side face of the arc-shaped box body (3) are concentrically arranged, the disc (5) is in transmission connection with a rotating motor (4), and the bottom face of the disc (5) is in friction transmission with a plurality of transmission wheels (6) on the supporting shaft (16).
4. The printing and tidying stacking device for the plastic woven packaging bags according to any one of claims 1-3, characterized in that the width of the bag inlet end (2) is larger than that of the plastic woven bag (1), the width of the bag outlet end (9) is slightly larger than that of the plastic woven bag (1), and the arc-shaped track part between the bag inlet end (2) and the bag outlet end (9) is in smooth transition.
CN202110249222.7A 2021-03-08 2021-03-08 Printing and orderly stacking device for plastic woven packaging bags Pending CN112919209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110249222.7A CN112919209A (en) 2021-03-08 2021-03-08 Printing and orderly stacking device for plastic woven packaging bags

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110249222.7A CN112919209A (en) 2021-03-08 2021-03-08 Printing and orderly stacking device for plastic woven packaging bags

Publications (1)

Publication Number Publication Date
CN112919209A true CN112919209A (en) 2021-06-08

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Application Number Title Priority Date Filing Date
CN202110249222.7A Pending CN112919209A (en) 2021-03-08 2021-03-08 Printing and orderly stacking device for plastic woven packaging bags

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113697574A (en) * 2021-08-18 2021-11-26 徐州立峰塑料制品有限公司 Braided bag production is with piling up device

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060231A (en) * 1976-10-01 1977-11-29 Anton Rudolph Stobb Apparatus and method for stacking sheets
US4317656A (en) * 1979-02-17 1982-03-02 Karl Heinz Stiegler Article-deflecting switching means for a system of article conveyors
US20090121417A1 (en) * 2007-06-26 2009-05-14 Meinan Machinery Works, Inc. Apparatus and method for conveying a sheet
CN103979351A (en) * 2014-05-15 2014-08-13 晋江海纳机械有限公司 Transfer speed transmission conveyor device for flexible material
CN204642275U (en) * 2015-05-21 2015-09-16 蒙珍惠 A kind of suction bag bag delivering device
CN105858312A (en) * 2016-06-07 2016-08-17 安庆石油化工总厂联盟化工厂 Woven bag arranging and counting machine
KR20160097483A (en) * 2015-02-09 2016-08-18 정이식 an apparatus for feed direction changing of paper
CN106743914A (en) * 2016-12-15 2017-05-31 刘发民 A kind of rotating disc type strippers of paper guide
CN207404577U (en) * 2017-11-11 2018-05-25 东莞市湘烨包装材料有限公司 A kind of plastic packaging bag finished product collection device
CN109019126A (en) * 2018-08-09 2018-12-18 新昌县珊珊农业有限公司 A kind of blanking device of corrugated paper
CN110654923A (en) * 2019-09-27 2020-01-07 泗县东方塑料有限责任公司 Braided bag production is with stacking device
CN210258982U (en) * 2019-05-06 2020-04-07 江西省得信塑业有限公司 Finished product packing device for plastic woven bag manufacturing
CN210794844U (en) * 2019-08-28 2020-06-19 武汉林轩激光有限公司 Eight-station disc clamp
CN111498459A (en) * 2020-05-07 2020-08-07 马鞍山斯博尔机械技术服务有限公司 Plate directional arranging and conveying device for punch

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060231A (en) * 1976-10-01 1977-11-29 Anton Rudolph Stobb Apparatus and method for stacking sheets
US4317656A (en) * 1979-02-17 1982-03-02 Karl Heinz Stiegler Article-deflecting switching means for a system of article conveyors
US20090121417A1 (en) * 2007-06-26 2009-05-14 Meinan Machinery Works, Inc. Apparatus and method for conveying a sheet
CN103979351A (en) * 2014-05-15 2014-08-13 晋江海纳机械有限公司 Transfer speed transmission conveyor device for flexible material
KR20160097483A (en) * 2015-02-09 2016-08-18 정이식 an apparatus for feed direction changing of paper
CN204642275U (en) * 2015-05-21 2015-09-16 蒙珍惠 A kind of suction bag bag delivering device
CN105858312A (en) * 2016-06-07 2016-08-17 安庆石油化工总厂联盟化工厂 Woven bag arranging and counting machine
CN106743914A (en) * 2016-12-15 2017-05-31 刘发民 A kind of rotating disc type strippers of paper guide
CN207404577U (en) * 2017-11-11 2018-05-25 东莞市湘烨包装材料有限公司 A kind of plastic packaging bag finished product collection device
CN109019126A (en) * 2018-08-09 2018-12-18 新昌县珊珊农业有限公司 A kind of blanking device of corrugated paper
CN210258982U (en) * 2019-05-06 2020-04-07 江西省得信塑业有限公司 Finished product packing device for plastic woven bag manufacturing
CN210794844U (en) * 2019-08-28 2020-06-19 武汉林轩激光有限公司 Eight-station disc clamp
CN110654923A (en) * 2019-09-27 2020-01-07 泗县东方塑料有限责任公司 Braided bag production is with stacking device
CN111498459A (en) * 2020-05-07 2020-08-07 马鞍山斯博尔机械技术服务有限公司 Plate directional arranging and conveying device for punch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
蔡明池;: "引进技术 消化吸收 自主创新――四川美丰重载膜包装诞生记", 塑料包装, no. 01, 15 February 2009 (2009-02-15), pages 79 - 80 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113697574A (en) * 2021-08-18 2021-11-26 徐州立峰塑料制品有限公司 Braided bag production is with piling up device

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