CN112678267A - Bag opening device for plastic packaging bags of automatic conveying line - Google Patents

Bag opening device for plastic packaging bags of automatic conveying line Download PDF

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Publication number
CN112678267A
CN112678267A CN202011591318.3A CN202011591318A CN112678267A CN 112678267 A CN112678267 A CN 112678267A CN 202011591318 A CN202011591318 A CN 202011591318A CN 112678267 A CN112678267 A CN 112678267A
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CN
China
Prior art keywords
plastic packaging
bag
packaging bag
opening device
gear
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CN202011591318.3A
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Chinese (zh)
Inventor
胡松
李龙
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Wuhu Hit Robot Technology Research Institute Co Ltd
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Wuhu Hit Robot Technology Research Institute Co Ltd
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Priority to CN202011591318.3A priority Critical patent/CN112678267A/en
Publication of CN112678267A publication Critical patent/CN112678267A/en
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Abstract

The invention discloses a bag opening device of a plastic packaging bag of an automatic conveying line, which comprises a bottom plate, a left opening device, a right opening device, an upper opening device and a lower fixing device, wherein the left opening device is used for enabling a first side surface and a second side surface of the plastic packaging bag to be far away from each other, the upper opening device is used for adsorbing a third side surface of the plastic packaging bag and enabling the third side surface of the plastic packaging bag to be far away from a fourth side surface, the lower fixing device is used for adsorbing the fourth side surface of the plastic packaging bag, the upper opening device is positioned above the lower fixing device, the first side surface and the second side surface of the plastic packaging bag are oppositely arranged, the third side surface and the fourth side surface are positioned between the first side surface and the. The bag opening device for the plastic packaging bags of the automatic conveying line is simple in structure, stable and reliable, convenient to install and maintain, capable of improving the bag opening effect and avoiding unnecessary loss.

Description

Bag opening device for plastic packaging bags of automatic conveying line
Technical Field
The invention belongs to the technical field of automatic production equipment, and particularly relates to a bag opening device for plastic packaging bags of an automatic conveying line.
Background
The plastic packaging bag is a packaging bag which takes plastic as a raw material and is used for producing various articles in daily life, and is widely used in daily life and industrial production.
With the popularization of automation, the packaging industry generally realizes the automatic packaging function, and plastic packaging bags are widely used in the automatic packaging industry. However, the automatic packaging adopts the mode that the automatic packaging machine is connected with the belt conveyor in series at present, the structure is complex, the space occupancy rate is high, the automatic packaging machine is not suitable for small working areas, and the production cost is high.
Patent document No. CN2700244Y discloses a device for opening plastic bags with adhesive tapes, which is structurally characterized in that: the bag opening mechanism is provided with a left adhesive tape roll, a right adhesive tape roll, a left bag opening head and a right bag opening head, the adhesive tapes on the adhesive tape rolls around the bag opening heads and are wound on the adhesive tape rolls, the upper bag opening mechanism and the lower bag opening mechanism with the same structure are connected with the vertical guide rod cylinder through the mounting frame, the vertical guide rod cylinder is mounted on the rack, the bag opening mechanism utilizes the strong adhesive force of the adhesive tapes to the plastic films to forcedly open the plastic bags to open the bags, although the structure is simple, the bag opening mechanism relies on the adhesive force of the adhesive tapes to the plastic films of the packaging bags to open the bags, the adhesive tapes are easy to disappear or reduce the adhesive force of the plastic films of the.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a bag opening device for plastic packaging bags of an automatic conveying line, and aims to improve the bag opening effect and avoid unnecessary loss.
In order to achieve the purpose, the invention adopts the technical scheme that: the bag opening device of the plastic packaging bags of the automatic conveying line comprises a base plate, a left opening device and a right opening device which are used for enabling a first side face and a second side face of each plastic packaging bag to be away from each other, an upper opening device which is used for adsorbing a third side face of each plastic packaging bag and enabling the third side face of each plastic packaging bag to be away from a fourth side face, and a lower fixing device which is used for adsorbing the fourth side face of each plastic packaging bag, wherein the upper opening device is located above the lower fixing device, the first side face and the second side face of each plastic packaging bag are oppositely arranged, the third side face and the fourth side face are located between the first side face and the second side face, and the first side face, the second.
Open the device including the connecting plate of portable setting, set up first rack and second rack on the connecting plate, rotatable set up in on the bottom plate and with first rack toothing's first gear, rotatable set up in on the bottom plate and with second rack toothing's second gear, with the coaxial fixed connection of first gear and be used for opening the bag piece with the first side of plastic packaging bag contacts and with the coaxial fixed connection of second gear and be used for opening the bag piece with the second side of plastic packaging bag contacts, the rotation direction of first gear and second gear is opposite.
The left and right opening device further comprises a first actuator which is connected with the connecting plate and used for controlling the connecting plate to move, and the first actuator is arranged on the bottom plate.
The first actuator is a cylinder.
Go up to open the device including set up in support, the sucking disc mounting panel on the bottom plate, set up on the sucking disc mounting panel and be used for adsorbing the sucking disc of the third side of plastic packaging bag and set up on the support and be used for controlling the second executor that the sucking disc mounting panel removed along vertical direction.
The second actuator is a cylinder.
The sucking disc sets up a plurality ofly.
The top surface of the lower fixing device is provided with a plurality of air suction holes, the top surface of the lower fixing device is in contact with the fourth side surface of the plastic packaging bag, and the number of the air suction holes is large.
The bag opening device for the plastic packaging bags of the automatic conveying line is simple in structure, stable and reliable, convenient to install and maintain, capable of improving the bag opening effect and avoiding unnecessary loss.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of a bag opener for plastic packaging bags of an automatic conveyor line according to the present invention;
FIG. 2 is a schematic view of the left and right opening device;
FIG. 3 is a schematic structural view of an upper opening device and a lower fixing device;
labeled as: 1. a base plate; 2. a left-right opening device; 21. a linear guide rail; 22. a connecting plate; 23. a first rack; 24. a first gear; 25. a first drive shaft; 26. a first pocket piece; 27. a first actuator; 28. a second rack; 29. a second gear; 210. a second drive shaft; 211. a second bag block; 3. an upper opening device; 31. a support; 32. a second actuator; 33. a suction cup; 34. a detection sensor; 4. a lower fixing device; 41. and (4) an air suction hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second", "third" and "fourth" do not represent absolute differences in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.
As shown in fig. 1 to 3, the present invention provides a bag opening device for a plastic packaging bag in an automatic conveying line, which includes a base plate 1, a left-right opening device 2 for separating a first side and a second side of the plastic packaging bag from each other, an upper opening device 3 for adsorbing a third side of the plastic packaging bag and separating the third side of the plastic packaging bag from a fourth side, and a lower fixing device 4 for adsorbing a fourth side of the plastic packaging bag, wherein the upper opening device 3 is located above the lower fixing device 4, the first side and the second side of the plastic packaging bag are oppositely arranged, the third side and the fourth side are located between the first side and the second side, and the first side, the second side, the third side and the fourth side surround a bag opening of the plastic packaging bag.
Specifically, as shown in fig. 1, the base plate 1 is horizontally disposed, the left and right expanding devices 2, the upper expanding device 3 and the lower fixing device 4 are installed on the base plate 1, the length direction of the base plate 1 is parallel to a first direction, the width direction of the base plate 1 is parallel to a second direction, both the first direction and the second direction are horizontal, and the first direction and the second direction are perpendicular. The bag opening device is arranged at a bag opening station, a plastic packaging bag needing to be opened is conveyed to the bag opening station by a suction type belt conveyor, and the bag is opened by the bag opening device. The conveying belt of the suction type belt conveyor is a vacuum adsorption belt, and adsorption holes for adsorbing a fourth side face of the plastic packaging bag are formed in the surface of the conveying belt. The plastic packaging bag is horizontally placed on the surface of the conveying belt of the suction type belt conveyor, the fourth side face of the plastic packaging bag is the bottom face of the plastic packaging bag, the third side face of the plastic packaging bag is the top face of the plastic packaging bag, and the first side face and the second side face of the plastic packaging bag are opposite side faces located between the third side face and the fourth side face. The combined mode of 'conveying by a suction type belt conveyor and an automatic bag opening device' is adopted, the automatic advantages of rapidness, high efficiency and labor saving of the bag opening device are exerted, and the high-efficiency conveying characteristic of the belt conveyor is utilized to improve the bag opening effect and the bag opening work efficiency.
As shown in fig. 1 and 2, the left-right opening device 2 includes a movably disposed connecting plate 22, a first actuator 27 connected to the connecting plate 22 and used for controlling the connecting plate 22 to move, a first rack 23 and a second rack 28 disposed on the connecting plate 22, a first gear 24 rotatably disposed on the base plate 1 and engaged with the first rack 23, a second gear 29 rotatably disposed on the base plate 1 and engaged with the second rack 28, a first bag block 26 coaxially and fixedly connected to the first gear 24 and used for contacting with a first side surface of the plastic packaging bag, and a second bag block 211 coaxially and fixedly connected to the second gear 29 and used for contacting with a second side surface of the plastic packaging bag, wherein the rotation directions of the first gear 24 and the second gear 29 are opposite. The connecting plate 22 is installed on the bottom plate 1 through the linear guide 21, the linear guide 21 plays a guiding role for the connecting plate 22, the first actuator 27 is an air cylinder, and the first actuator 27 is arranged on the bottom plate 1. The first gear 24 is mounted on the bottom plate 1 through a first transmission shaft 25, the first rack 23 is fixedly mounted on the connecting plate 22, and the length direction of the first rack 23 is parallel to the first direction. The second gear 29 is mounted on the bottom plate 1 through a second transmission shaft 210, the second rack 28 is fixedly mounted on the connecting plate 22, and the length direction of the second rack 28 is parallel to the first direction. The axes of the first transmission shaft 25 and the second transmission shaft 210 are vertical lines, the first rack 23 and the second rack 28 are respectively located at two ends of the connecting plate 22 in the length direction, the length direction of the connecting plate 22 is parallel to the first direction, the first gear 24 and the second gear 29 are located on the same straight line parallel to the first direction, and a piston rod of the first actuator 27 is fixedly connected with the connecting rod. First transmission shaft 25 is rotatable setting on bottom plate 1, and first gear 24 and the one end fixed connection of first transmission shaft 25, the first bag piece 26 of opening and the other end fixed connection of first transmission shaft 25, and bottom plate 1 is located first gear 24 and the first bag piece 26 of opening between. The second transmission shaft 210 is rotatably arranged on the bottom plate 1, the second gear 29 is fixedly connected with one end of the second transmission shaft 210, the second bag opening block 211 is fixedly connected with the other end of the second transmission shaft 210, and the bottom plate 1 is positioned between the second gear 29 and the second bag opening block 211. The first bag opening block 26 and the second bag opening block 211 are used for being inserted into the bag opening of the plastic packaging bag and are respectively contacted with the first side face and the second side face of the plastic packaging bag, in the extending process of the first actuator 27, the first bag opening block 26 and the second bag opening block 211 rotate, the included angle between the first bag opening block 26 and the second bag opening block 211 is gradually increased, and after the first bag opening block 26 and the second bag opening block 211 are respectively contacted with the first side face and the second side face of the plastic packaging bag, the first side face and the second side face of the plastic packaging bag can be far away from each other, so that the bag opening is opened. When the first actuator 27 extends, the connecting plate 22 can be pushed to move linearly, the connecting plate 22 drives the first rack 23 and the second rack 28 to move synchronously, the first rack 23 and the second rack 28 respectively drive the first gear 24 and the second gear 29 to rotate, the rotating directions of the first gear 24 and the second gear 29 are opposite, the first gear 24 drives the first bag opening block 26 to rotate synchronously through the first transmission shaft 25, and the second gear 29 drives the second bag opening block 211 to rotate synchronously through the second transmission shaft 210.
As shown in fig. 1 and 3, the upward opening device 3 includes a bracket 31 provided on the base plate 1, a suction cup mounting plate, a suction cup 33 provided on the suction cup mounting plate and used for adsorbing a third side surface of the plastic packaging bag, and a second actuator 32 provided on the bracket 31 and used for controlling the suction cup mounting plate to move in a vertical direction. Support 31 fixed mounting is on bottom plate 1, and second executor 32 fixed mounting is on support 31, and second executor 32 is vertical setting, and second executor 32 is the cylinder, and second executor 32's piston rod and sucking disc mounting panel fixed connection. The sucking disc 33 is installed on the sucking disc mounting panel, and the sucking disc 33 is vertical setting, and the sucking disc 33 sets up a plurality ofly, and all sucking discs 33 are located the collinear with the first direction parallels. When the second actuator 32 extends, the suction cup mounting plate can be pushed to move downwards, and the suction cup mounting plate drives the suction cup 33 to move downwards synchronously, so that the suction cup 33 can adsorb the plastic packaging bag below.
As shown in fig. 1 and 3, in the present embodiment, two suction cups 33 are provided.
As shown in fig. 1 and 3, the upper opening device 3 further includes a detection sensor 34 disposed on the bracket 31, the detection sensor 34 is located at one side of the second actuator 32, the detection sensor 34 is fixedly connected to the bracket 31 through a screw, and the detection sensor 34 is used for determining whether the plastic packaging bag reaches the bag opening station.
As shown in fig. 1 and 3, the lower fixing device 4 is fixedly mounted on the bottom plate 1, the lower fixing device 4 is located below the suction cup 33, the top surface of the lower fixing device 4 is provided with a plurality of suction holes 41, the top surface of the lower fixing device 4 is in contact with the fourth side surface of the plastic packaging bag, the top surface of the lower fixing device 4 is a plane parallel to the first direction and the second direction, and the plurality of suction holes 41 are distributed on the top surface of the lower fixing device 4 in an N × M matrix. The lower fixing device 4 is positioned on one side of the conveying belt of the suction type belt conveyor, the lower fixing device 4 and the conveying belt are positioned on the same straight line parallel to the second direction, and the top surface of the lower fixing device 4 is flush with the top surface of the conveying belt, so that the fourth side surface of the plastic packaging bag is fixed. The inner cavity of the lower fixing device 4 is connected with a vacuum generator, the air suction hole 41 is communicated with the inner cavity of the lower fixing device 4, and after the vacuum generator works, suction force for adsorbing the fourth side face of the plastic packaging bag is generated at the air suction hole 41.
When the bag opening device is used, a plastic packaging bag is conveyed to a bag opening station through a suction type belt conveyor, the lower fixing device 4 restrains the fourth side surface of the plastic packaging bag through suction, the suction disc 33 of the upper opening device 3 adsorbs the third side surface of the plastic packaging bag and upwards pulls the third side surface of the plastic packaging bag to enable the third side surface of the plastic packaging bag to be far away from the fourth side surface until the plastic packaging bag is opened, the first actuator 27 of the left and right opening device 2 extends to push the connecting plate 22 to move linearly, the connecting plate 22 drives the first rack 23 and the second rack 28 to move synchronously, the first rack 23 and the second rack 28 respectively drive the first gear 24 and the second gear 29 to rotate, the rotating directions of the first gear 24 and the second gear 29 are opposite, the first gear 24 drives the first bag opening block 26 to rotate synchronously through the first transmission shaft 25, and the second gear 29 drives the second bag opening block 211 to rotate synchronously through the second transmission shaft 210, the included angle between the first bag opening block 26 and the second bag opening block 211 is gradually increased, after the first bag opening block 26 and the second bag opening block 211 are respectively contacted with the first side face and the second side face of the plastic packaging bag, the first side face and the second side face of the plastic packaging bag can be mutually far away, the bag opening of the plastic packaging bag is opened, the automatic bag opening action is completed by the device, and a cushion is laid for placing subsequent articles into the packaging bag.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims (8)

1. Automatic change opening bagging apparatus of transfer chain plastic packaging bag, its characterized in that: the plastic packaging bag comprises a base plate, a left opening device and a right opening device which are used for enabling a first side surface and a second side surface of a plastic packaging bag to be away from each other, an upper opening device which is used for adsorbing a third side surface of the plastic packaging bag and enabling the third side surface of the plastic packaging bag to be away from a fourth side surface and a lower fixing device which is used for adsorbing the fourth side surface of the plastic packaging bag, wherein the upper opening device is positioned above the lower fixing device, the first side surface and the second side surface of the plastic packaging bag are oppositely arranged, the third side surface and the fourth side surface are positioned between the first side surface and the second side surface, and the first side surface, the second side.
2. The bag opening device for the plastic packaging bags of the automatic conveying line according to claim 1, characterized in that: open the device including the connecting plate of portable setting, set up first rack and second rack on the connecting plate, rotatable set up in on the bottom plate and with first rack toothing's first gear, rotatable set up in on the bottom plate and with second rack toothing's second gear, with the coaxial fixed connection of first gear and be used for opening the bag piece with the first side of plastic packaging bag contacts and with the coaxial fixed connection of second gear and be used for opening the bag piece with the second side of plastic packaging bag contacts, the rotation direction of first gear and second gear is opposite.
3. The bag opening device for the plastic packaging bags of the automatic conveying line according to claim 2, characterized in that: the left and right opening device further comprises a first actuator which is connected with the connecting plate and used for controlling the connecting plate to move, and the first actuator is arranged on the bottom plate.
4. The bag opening device for the plastic packaging bags of the automatic conveying line according to claim 3, wherein: the first actuator is a cylinder.
5. The bag opener for plastic packaging bags for automated transfer lines according to any one of claims 1 to 4, wherein: go up to open the device including set up in support, the sucking disc mounting panel on the bottom plate, set up on the sucking disc mounting panel and be used for adsorbing the sucking disc of the third side of plastic packaging bag and set up on the support and be used for controlling the second executor that the sucking disc mounting panel removed along vertical direction.
6. The bag opening device for the plastic packaging bags of the automatic conveying line according to claim 5, wherein: the second actuator is a cylinder.
7. The bag opener for plastic packaging bags for automated transfer lines according to claim 5 or 6, wherein: the sucking disc sets up a plurality ofly.
8. The bag opener for plastic packaging bags for automated transfer lines according to any one of claims 5 to 7, wherein: the top surface of the lower fixing device is provided with a plurality of air suction holes, the top surface of the lower fixing device is in contact with the fourth side surface of the plastic packaging bag, and the number of the air suction holes is large.
CN202011591318.3A 2020-12-29 2020-12-29 Bag opening device for plastic packaging bags of automatic conveying line Pending CN112678267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011591318.3A CN112678267A (en) 2020-12-29 2020-12-29 Bag opening device for plastic packaging bags of automatic conveying line

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Application Number Priority Date Filing Date Title
CN202011591318.3A CN112678267A (en) 2020-12-29 2020-12-29 Bag opening device for plastic packaging bags of automatic conveying line

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Publication Number Publication Date
CN112678267A true CN112678267A (en) 2021-04-20

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Application Number Title Priority Date Filing Date
CN202011591318.3A Pending CN112678267A (en) 2020-12-29 2020-12-29 Bag opening device for plastic packaging bags of automatic conveying line

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CN (1) CN112678267A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340679A (en) * 1965-02-01 1967-09-12 Bartelt Engineering Co Inc Apparatus for opening pouches
CN106516267A (en) * 2016-11-18 2017-03-22 成都宝利根自动化技术有限公司 Automatic unbagging device
CN107651246A (en) * 2017-09-08 2018-02-02 深圳市普特生物医学工程有限公司 Packaging bag device for opening
US20180118393A1 (en) * 2016-10-27 2018-05-03 Toyo Jidoki Co., Ltd. Gripper device for a bag filling and packaging machine
CN109436455A (en) * 2018-11-27 2019-03-08 亳州司尔特生态肥业有限公司 A kind of compound fertilizer's sack-filling device
CN208897453U (en) * 2018-09-29 2019-05-24 湖南金能自动化设备有限公司 A kind of rotation open the bag device for packaging bag
CN210479186U (en) * 2019-09-23 2020-05-08 河南美伴卫生用品有限公司 Packing apparatus is used in urine pad production

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340679A (en) * 1965-02-01 1967-09-12 Bartelt Engineering Co Inc Apparatus for opening pouches
US20180118393A1 (en) * 2016-10-27 2018-05-03 Toyo Jidoki Co., Ltd. Gripper device for a bag filling and packaging machine
CN108001757A (en) * 2016-10-27 2018-05-08 东洋自动机株式会社 Pack the gripping mechanism of packing machine
CN106516267A (en) * 2016-11-18 2017-03-22 成都宝利根自动化技术有限公司 Automatic unbagging device
CN107651246A (en) * 2017-09-08 2018-02-02 深圳市普特生物医学工程有限公司 Packaging bag device for opening
CN208897453U (en) * 2018-09-29 2019-05-24 湖南金能自动化设备有限公司 A kind of rotation open the bag device for packaging bag
CN109436455A (en) * 2018-11-27 2019-03-08 亳州司尔特生态肥业有限公司 A kind of compound fertilizer's sack-filling device
CN210479186U (en) * 2019-09-23 2020-05-08 河南美伴卫生用品有限公司 Packing apparatus is used in urine pad production

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Application publication date: 20210420

RJ01 Rejection of invention patent application after publication