CN110077666B - Packaging bag rounding mechanism and method - Google Patents
Packaging bag rounding mechanism and method Download PDFInfo
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- CN110077666B CN110077666B CN201910363675.5A CN201910363675A CN110077666B CN 110077666 B CN110077666 B CN 110077666B CN 201910363675 A CN201910363675 A CN 201910363675A CN 110077666 B CN110077666 B CN 110077666B
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 70
- 239000010959 steel Substances 0.000 claims description 70
- 241000252254 Catostomidae Species 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000001788 irregular Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- B65B43/26—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
Abstract
The invention relates to a packaging bag rounding mechanism and a packaging bag rounding method, wherein the rounding mechanism comprises a guide rail, a stretching frame and an adsorption stretching unit, wherein the guide rail is used for providing a reciprocating track for the stretching frame; the stretching frame is used for applying external force to the absorption stretching unit from two sides to deform the absorption stretching unit or restore the absorption stretching unit to an initial state; the adsorption and stretching unit is used for picking up the port of the packaging bag in an initial state and generating deformation under the action of external force, so that the packaging bag is rounded. The invention adopts equipment to automatically open the packaging bag, avoids irregular pulling in a manual mode and improves the product packaging efficiency.
Description
Technical Field
The invention relates to the technical field of product external packaging, in particular to a packaging bag rounding mechanism and a packaging bag rounding method.
Background
Based on the requirements of high-end industry on the appearance quality of products, for example, for high-end industrial wires, in order to prevent the finished wire coil from rusting or being scratched in the process of transferring and storing, the wire coil needs to be bagged and packaged.
Taking an industrial wire as an example, packaging the wire first requires opening a port of a package bag stored in a rolled or folded state to be sleeved on a corresponding surface of the wire. For a coil of wire, at least two persons are required to pull the end of the package open in order to wrap the package around the corresponding surface of the coil, such as the inner or outer surface.
For example, for a plastic packaging bag, due to the existence of static electricity or adsorption between materials, the packaging bag is opened with certain operation difficulty, so that the dependence degree on the operation skill of a person is high, the great labor consumption is caused, and the packaging bag is easily damaged due to improper operation; meanwhile, the efficiency of manually opening the packing bag is low. In addition, manual operation is usually performed in an equipment running state, and serious potential safety hazards exist.
Therefore, to the above deficiency, it is necessary to provide an apparatus capable of automatically opening the port of the packaging bag, which can automatically stretch and open the port of the packaging bag by the cooperation of the respective set components without damaging the packaging bag, thereby improving the packaging efficiency of the coil.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, the packaging bag is stretched and opened by a manual method, the efficiency is low, and the packaging bag is easy to damage, and provides a packaging bag rounding mechanism and a packaging bag rounding method.
In order to solve the technical problem, the invention provides a packaging bag rounding mechanism, which comprises: a guide rail, a stretching frame and an adsorption stretching unit,
the guide rail is used for providing a reciprocating track for the stretching frame;
the stretching frame is used for applying external force to the absorption stretching unit from two sides to deform the absorption stretching unit or restore the absorption stretching unit to an initial state;
the adsorption and stretching unit is used for picking up the port of the packaging bag in an initial state and generating deformation under the action of external force, so that the packaging bag is rounded.
In the packaging bag rounding mechanism, the stretching frame comprises two lead screws, a driving motor and two L-shaped outer frames, wherein the two lead screws are symmetrically arranged on two sides of the driving motor and are respectively connected with output shafts of the driving motor; the openings of the two L-shaped outer frames are inwards symmetrically arranged at the outer sides of the two screw rods, and each L-shaped outer frame is connected with the tail end of the corresponding screw rod through a horizontal edge.
In the packaging bag rounding mechanism, the horizontal edges of the two L-shaped outer frames are arranged on the guide rails.
In the packaging bag rounding mechanism, the guide rail comprises a left section and a right section, the left section is used for being connected with the horizontal edge of one L-shaped outer frame, and the right section is used for being connected with the horizontal edge of the other L-shaped outer frame.
In the packaging bag rounding mechanism, the adsorption and stretching unit is connected between the vertical edges of the two L-shaped outer frames.
In the packaging bag rounding mechanism, the adsorption and stretching unit comprises two elastic steel sheets and a plurality of pairs of rounding suckers, the two elastic steel sheets are connected between the vertical edges of the two L-shaped outer frames according to the vertical direction, and the plurality of pairs of rounding suckers are correspondingly arranged on the opposite surfaces of the two elastic steel sheets.
In the packaging bag rounding mechanism, the adsorption and stretching unit further comprises two auxiliary connecting pieces, the two elastic steel sheets are connected between the two auxiliary connecting pieces in the middle, and the two auxiliary connecting pieces are correspondingly and fixedly connected with the two L-shaped outer frames.
In the packaging bag rounding mechanism, the adsorption stretching unit further comprises four air cylinders, and the four air cylinders are respectively connected between the elastic steel sheets and the auxiliary connecting sheet and form symmetrical triangular supports for the two elastic steel sheets; the four cylinders contract simultaneously, so that the two elastic steel sheets deform.
In the packaging bag rounding mechanism, one end of a first air cylinder is connected with the upper edge end of an auxiliary connecting sheet, and the other end of the first air cylinder is connected with one quarter of an upper elastic steel sheet; one end of the second cylinder is connected with the upper edge end of the other auxiliary connecting sheet, and the other end of the second cylinder is connected with three quarters of the upper elastic steel sheet; the connection form of the first cylinder and the second cylinder is mirror symmetry with the center of the elastic steel sheet;
the third cylinder and the fourth cylinder are connected between the lower elastic steel sheet and the lower end of the corresponding auxiliary connecting sheet; the connection form of the third cylinder and the fourth cylinder and the connection form of the first cylinder and the second cylinder are in mirror symmetry on two sides of the two elastic steel sheets.
The invention also provides a packaging bag rounding method which is realized based on the packaging bag rounding mechanism and comprises the following steps:
the outer port of the pick-up packaging bag is arranged between the two elastic steel sheets, so that the driving motor drives the screw rod to drive the two L-shaped outer frames to move towards the middle; meanwhile, the cylinder is contracted, and the two elastic steel sheets are deformed and gradually stretched into an approximate circle under the combined action of the driving force of the cylinder and the external force exerted by the L-shaped outer frame.
The packaging bag rounding mechanism and the packaging bag rounding method have the following beneficial effects: the invention automatically executes the rounding of the packaging bag in sequence by a mechanical structure, and replaces the existing mode of manually opening the packaging bag. The device provides an external force which is deformed into an approximate circle for the absorption stretching unit through the stretching frame and provides a guide rail which is attached to the stretching frame in a displacement change manner; then the adsorption and stretching unit is deformed while adsorbing the port of the packaging bag under the action of external force and is naturally stretched to be approximately round, so that the packaging bag can be conveniently sleeved on a product. The invention can fully automatically carry out the rounding process of the packaging bag under the control of equipment, reduces the labor consumption and avoids unsafe factors of manual operation compared with a manual mode, and can greatly improve the efficiency of opening the packaging bag, thereby improving the efficiency of packaging products. Because the packaging bag is automatically opened by adopting the equipment, the irregular pulling of a manual mode is avoided, and the packaging bag can be ensured not to be damaged.
The invention realizes the unmanned opening of the packaging bag, saves the manpower input and ensures the personal safety of the working personnel.
Drawings
Fig. 1 is a schematic view of an exemplary structure of a package rounding mechanism according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In a first aspect of the present invention, a first package bag rounding mechanism is provided, which is shown in fig. 1, and includes: a guide rail 100, a stretching frame 200 and a suction stretching unit 300,
the guide rail 100 is used for providing a reciprocating track for the stretching frame 200;
the stretching frame 200 is used for applying an external force to the absorption stretching unit 300 from both sides to deform or restore the original state;
the suction stretching unit 300 is used to pick up the end of the packing bag in an initial state and deform the end under an external force, thereby rounding the packing bag.
This embodiment can be used to the extranal packing link of product production line for the quick wrapping bag with the product is tensile to be opened, carries out the product packaging. The component size is adjusted, so that the packaging machine can be used for online packaging of various products, and the unmanned realization of the packaging process of a product production line can be promoted.
The embodiment is suitable for opening and rounding the flexible packing materials of various cylindrical products before packaging. In the implementation process, the height of the axle center of the packing bag which is stretched by the adsorption and stretching unit 300 needs to be adaptively adjusted to match the height of the axle center of the product to be packed.
This embodiment has realized opening the automation of wrapping bag, has solved personnel's operational safety problem, when reducing the human input, can improve packing efficiency.
As an example, referring to fig. 1, the stretching frame 200 includes two lead screws 210, a driving motor 220, and two L-shaped outer frames 230, where the two lead screws 210 are symmetrically disposed on two sides of the driving motor 220 and are respectively connected to output shafts of the driving motor 220; the two L-shaped outer frames 230 are symmetrically disposed at the outer sides of the two lead screws 210 with the openings facing inward, and each L-shaped outer frame 230 is connected to the end of the corresponding lead screw 210 by a horizontal side.
The present embodiment provides an external force mechanism for deforming the absorbing and stretching unit 300, which drives the two L-shaped outer frames 230 to move symmetrically toward the middle through the driving motor 220, so that the absorbing and stretching unit 300 is extruded in the length direction, thereby deforming; the suction stretching unit 300 may use an elastic member as a deformation rounding member to be naturally bent under an external force, thereby driving the packing bag to be rounded.
As an example, as shown in fig. 1, the horizontal sides of the two L-shaped outer frames 230 are disposed on the guide rail 100.
The L-shaped frame 230 is required to be changed in position to deform the suction stretching unit 300, and thus is required to be reciprocated by the guide rail 100. The guide rail 100 may be installed on the base 400, and the driving motor 220 may be provided on the base 400. The bottom surface of the base 400 can be connected with other guide mechanisms through a sliding block so as to realize the movement of the rounding mechanism to the product direction.
The guide rail 100 may be a one-piece guide rail, in which case the driving motor 220 needs to be fixed in position by means of another form. If the guide rail 100 is divided into two sections, each of which is used to satisfy the traveling range of each L-shaped frame 230, the driving motor 220 may be directly fixed to the base 400 below the guide rail 100.
As an example, as shown in fig. 1, the guide rail 100 includes a left section for connecting the horizontal sides of one L-shaped outer frame 230 and a right section for connecting the horizontal sides of the other L-shaped outer frame 230.
This form provides a moving guide for the two L-shaped frames 230, respectively, so as not to interfere with the fixing of the driving motor 220.
As an example, as shown in fig. 1, the suction stretching unit 300 is connected between the vertical sides of the two L-shaped frames 230.
The suction stretching unit 300 is disposed between the two L-shaped frames 230, and when the L-shaped frames 230 move, an external force may be applied to both sides of the suction stretching unit 300 to deform the same.
As an example, referring to fig. 1, the suction stretching unit 300 includes two elastic steel sheets 310 and a plurality of pairs of draw circular suckers 320, the two elastic steel sheets 310 are connected between the vertical sides of the two L-shaped frames 230 in an up-down direction, and the plurality of pairs of draw circular suckers 320 are correspondingly disposed on the opposite surfaces of the two elastic steel sheets 310.
In this embodiment, the two elastic steel plates 310 may be disposed close to each other, but a gap is required between the two elastic steel plates 310, so that the port of the packaging bag can extend into the space between the two elastic steel plates 310. The gap is not too large, and needs to be determined according to the thickness of the packaging bag, and is slightly larger than the thickness of the packaging bag. For the packaging bag extending between the two elastic steel sheets 310, the drawing circular suction cups 320 can absorb the corresponding upper and lower surfaces; therefore, under the action of external force, when the elastic steel sheet 310 deforms, the circle drawing suction cup 320 naturally drives the packaging bag to stretch and open into an approximate circle.
The number of pairs of the round pulling suction cups 320 can be selected according to the requirement, for example, three pairs are selected and respectively arranged at the middle position and the positions close to the two sides of the elastic steel sheet 310. Or three pairs are uniformly arranged at the middle position and one pair is arranged close to two sides respectively in order to further enhance the reliability of the adsorption.
In the present invention, only the stretching frame 200 applies a compressive force to the elastic steel sheet 310, so that the elastic steel sheet 310 naturally bends upwards and downwards when being stressed, and the deformation degree depends on the self-bending performance of the elastic steel sheet 310.
As an example, referring to fig. 1, the suction stretching unit 300 further includes two auxiliary connecting pieces 330, two elastic steel sheets 310 are connected between the two auxiliary connecting pieces 330, and the two auxiliary connecting pieces 330 are fixedly connected with the two L-shaped outer frames 230.
In the embodiment, the elastic steel piece 310 and the L-shaped outer frame 230 are connected together by two auxiliary connecting pieces 330; the elastic steel plate 310 and the auxiliary connecting piece 330 are integrally connected between the L-shaped outer frames 230, which contributes to the stability of the whole mechanism.
In addition, still further, as shown in fig. 1, the two auxiliary connecting pieces 330 can be used as connecting mounting pieces of the air cylinder 340 for further driving the elastic steel piece 310 to deform.
The adsorption and stretching unit 300 further comprises four air cylinders 340, wherein the four air cylinders 340 are respectively connected between the elastic steel sheets 310 and the auxiliary connecting sheet 330, and form symmetrical triangular supports for the two elastic steel sheets 310; the four air cylinders 340 contract simultaneously, so that the two elastic steel plates 310 are deformed.
The elastic steel sheet 310 can be deformed by the pressing of the stretching frame 200 to round the packaging bag. In order to further smooth and secure the deformation process of the elastic steel piece 310, a cylinder 340 may be further provided to facilitate the deformation process of the elastic steel piece 310.
After the circle drawing suction disc 320 adsorbs the packaging bag, on one hand, the four air cylinders 340 retract simultaneously to apply pressure to the elastic steel sheet 310, so that the elastic steel sheet is deformed upwards and downwards respectively; on the other hand, under the driving of the driving motor 220, the L-shaped outer frame 230 is driven by the lead screw 210 to move towards the middle simultaneously; in the two aspects, the two elastic steel sheets 310 are deformed at the same time, so that an approximately circular shape can be formed, and the packaging bag is rounded to be conveniently sleeved on a product. The connection position of the cylinder 340 and the elastic steel plate 310 can be obtained by calculation or experiment in advance, and the position is selected to enable the elastic steel plate 310 to be stressed uniformly and avoid breaking. The roundness of the deformation of the elastic steel piece 310 is related to the connection position of the cylinder 340. For example, the cylinders 340 may be respectively connected to the left half section and the right half section of the elastic steel sheet 310 near the middle, and when the connection positions selected by the two cylinders 340 on each elastic steel sheet 310 are symmetrical, the elastic steel sheet 310 may be deformed symmetrically under the action of force.
As an example, referring to fig. 1, one end of a first cylinder 340 is connected to the upper edge of an auxiliary connecting piece 330, and the other end is connected to a quarter of an upper elastic steel piece 310; one end of the second cylinder 340 is connected with the upper end of the other auxiliary connecting sheet 330, and the other end is connected with three quarters of the upper elastic steel sheet 310; the connection form of the first cylinder 340 and the second cylinder 340 is mirror symmetry with the center of the elastic steel sheet 310;
the third cylinder 340 and the fourth cylinder 340 are connected between the lower elastic steel sheet 310 and the lower end of the corresponding auxiliary connecting piece 330; the connection form of the third cylinder 340 and the fourth cylinder 340 and the connection form of the first cylinder 340 and the second cylinder 340 are mirror-symmetrical on both sides of the two elastic steel sheets 310.
In this embodiment, the length of the elastic steel sheet 310 is selected in relation to the diameter of the cylindrical opening, and the deformed approximate circular diameter is slightly larger than the diameter of the product. The distance between the elastic steel piece 310 and the horizontal side of the L-shaped outer frame 230 should be at least larger than the radius of the approximate circle, so that there is enough space to accommodate the deformation of the elastic steel piece 310.
In a second specific embodiment, another aspect of the present invention further provides a method for rounding a packaging bag, which is implemented based on the packaging bag rounding mechanism, and is shown in fig. 1, where the method includes:
the outer port of the picking packaging bag is arranged between the two elastic steel sheets 310, so that the driving motor 220 drives the screw rod 210 to drive the two L-shaped outer frames 230 to move towards the middle; meanwhile, the cylinder 340 is contracted, and the two elastic steel sheets 310 are deformed and gradually stretched into an approximately circular shape under the combined action of the driving force of the cylinder 340 and the external force applied by the L-shaped outer frame 230.
The upper surface and the lower surface of the opening at the edge end of the packaging bag are sucked by the circle drawing sucker 320, and then the two elastic steel sheets 310 open the opening of the packaging material and support the circle by the circle drawing sucker 320 under the guiding action of the guide rail 100 by combining the driving of the motor and the cylinder, so that the opening of the packaging material is completed.
In the invention, other driving modes or transmission modes can be adopted to finish the rounding process of the packaging bag.
In conclusion, the automatic opening device disclosed by the invention realizes automatic opening of the packaging bag, realizes unmanned operation of the starting procedure of the product packaging process, saves labor input and ensures production safety.
Finally, it should be noted that: 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 (7)
1. The utility model provides a wrapping bag draws circle mechanism which characterized in that includes: a guide rail (100), a stretching frame (200) and an adsorption stretching unit (300),
the guide rail (100) is used for providing a reciprocating track for the stretching frame (200);
the stretching frame (200) is used for applying external force to the absorbing and stretching unit (300) from two sides to deform or restore the absorbing and stretching unit to the initial state;
the adsorption and stretching unit (300) is used for picking up the port of the packaging bag in an initial state and generating deformation under the action of external force so as to round the packaging bag;
wherein the adsorption drawing unit (300) is connected between the vertical edges of the two L-shaped outer frames (230);
the adsorption and stretching unit (300) comprises two elastic steel sheets (310) and a plurality of pairs of drawing circular suckers (320);
the two elastic steel sheets (310) are connected between the vertical edges of the two L-shaped outer frames (230) according to the vertical direction, and a plurality of pairs of circle drawing suckers (320) are correspondingly arranged on the opposite surfaces of the two elastic steel sheets (310);
the adsorption and stretching unit (300) further comprises two auxiliary connecting pieces (330), the two elastic steel sheets (310) are connected between the two auxiliary connecting pieces (330) in the middle, and the two auxiliary connecting pieces (330) are correspondingly and fixedly connected with the two L-shaped outer frames (230).
2. The package rounding mechanism of claim 1, wherein:
the stretching frame (200) comprises two lead screws (210), a driving motor (220) and two L-shaped outer frames (230),
the two screw rods (210) are symmetrically arranged on two sides of the driving motor (220) and are respectively connected with an output shaft of the driving motor (220); the two L-shaped outer frames (230) are symmetrically arranged at the outer sides of the two lead screws (210) with openings inwards, and each L-shaped outer frame (230) is connected with the tail end of the corresponding lead screw (210) through a horizontal edge.
3. The package rounding mechanism of claim 2, wherein: the horizontal edges of the two L-shaped outer frames (230) are arranged on the guide rail (100).
4. The bag rounding mechanism of claim 3, wherein:
the guide rail (100) comprises a left section and a right section, wherein the left section is used for connecting the horizontal edge of one L-shaped outer frame (230), and the right section is used for connecting the horizontal edge of the other L-shaped outer frame (230).
5. The package rounding mechanism of claim 1, wherein: the suction stretching unit (300) further comprises four air cylinders (340),
the four air cylinders (340) are respectively connected between the elastic steel sheets (310) and the auxiliary connecting sheet (330) to form symmetrical triangular supports for the two elastic steel sheets (310); the four cylinders (340) contract simultaneously, so that the two elastic steel sheets (310) can be deformed.
6. The bag rounding mechanism of claim 5, wherein:
one end of the first cylinder (340) is connected with the upper end of an auxiliary connecting sheet (330), and the other end of the first cylinder is connected with one quarter of the upper elastic steel sheet (310); one end of the second cylinder (340) is connected with the upper end of the other auxiliary connecting sheet (330), and the other end of the second cylinder is connected with three quarters of the upper elastic steel sheet (310); the connection form of the first cylinder (340) and the second cylinder (340) is mirror symmetry with the center of the elastic steel sheet (310);
the third cylinder (340) and the fourth cylinder (340) are connected between the lower elastic steel sheet (310) and the lower end of the corresponding auxiliary connecting sheet (330); the connection form of the third cylinder (340) and the fourth cylinder (340) and the connection form of the first cylinder (340) and the second cylinder (340) are in mirror symmetry at two sides of the two elastic steel sheets (310).
7. A method for rounding a packaging bag, which is realized by the packaging bag rounding mechanism according to claim 5 or 6, comprising:
the outer port of the picking packaging bag is arranged between the two elastic steel sheets (310), so that the driving motor (220) drives the screw rod (210) to drive the two L-shaped outer frames (230) to move towards the middle; meanwhile, the cylinder (340) is contracted, and the two elastic steel sheets (310) are deformed and gradually stretched into an approximate circle under the combined action of the driving force of the cylinder (340) and the external force exerted by the L-shaped outer frame (230).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910363675.5A CN110077666B (en) | 2019-04-30 | 2019-04-30 | Packaging bag rounding mechanism and method |
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| CN201910363675.5A CN110077666B (en) | 2019-04-30 | 2019-04-30 | Packaging bag rounding mechanism and method |
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| CN110077666B true CN110077666B (en) | 2021-02-26 |
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| CN201910363675.5A Active CN110077666B (en) | 2019-04-30 | 2019-04-30 | Packaging bag rounding mechanism and method |
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| CN114802940A (en) * | 2022-04-13 | 2022-07-29 | 北京天拓四方科技有限公司 | Automatic bag opening and covering device for latex mattress |
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| WO2004041914A1 (en) * | 2002-11-05 | 2004-05-21 | Eamex Corporation | Conductive polymer composite structure |
| CN102658888A (en) * | 2012-05-04 | 2012-09-12 | 江南大学 | Opening device for connected packaging bags |
| CN103625755A (en) * | 2013-12-11 | 2014-03-12 | 陈金水 | Automatic-opening packaging bag |
| CN104401747A (en) * | 2014-11-20 | 2015-03-11 | 刘丙炎 | Rotary transfer device |
| CN105883073A (en) * | 2016-06-26 | 2016-08-24 | 项金凤 | Unpacking device for circular pipe packing bag |
-
2019
- 2019-04-30 CN CN201910363675.5A patent/CN110077666B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004041914A1 (en) * | 2002-11-05 | 2004-05-21 | Eamex Corporation | Conductive polymer composite structure |
| CN102658888A (en) * | 2012-05-04 | 2012-09-12 | 江南大学 | Opening device for connected packaging bags |
| CN103625755A (en) * | 2013-12-11 | 2014-03-12 | 陈金水 | Automatic-opening packaging bag |
| CN104401747A (en) * | 2014-11-20 | 2015-03-11 | 刘丙炎 | Rotary transfer device |
| CN105883073A (en) * | 2016-06-26 | 2016-08-24 | 项金凤 | Unpacking device for circular pipe packing bag |
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Denomination of invention: Packaging bag rounding mechanism and method Effective date of registration: 20220314 Granted publication date: 20210226 Pledgee: China Everbright Bank Corporation Yueyang Branch Pledgor: HARBIN INSTITUTE OF TECHNOLOGY ROBOTIC MANUFACTURING Co.,Ltd. Registration number: Y2022980002345 |
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Address after: 3 / F, Xindeng incubator office building, Yungang Road, Chenglingji Xingang District, Yueyang City, Hunan Province, 414000 Patentee after: Hunan strict Intelligent Technology Co.,Ltd. Address before: 3 / F, Xindeng incubator office building, Yungang Road, Chenglingji Xingang District, Yueyang City, Hunan Province Patentee before: HARBIN INSTITUTE OF TECHNOLOGY ROBOTIC MANUFACTURING Co.,Ltd. |
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Denomination of invention: Packaging bag rounding mechanism and method Effective date of registration: 20220804 Granted publication date: 20210226 Pledgee: China Everbright Bank Co.,Ltd. Changsha Renmin Road sub branch Pledgor: Hunan strict Intelligent Technology Co.,Ltd. Registration number: Y2022430000066 |
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Denomination of invention: Packaging bag rounding mechanism and method Effective date of registration: 20230629 Granted publication date: 20210226 Pledgee: China Everbright Bank Co.,Ltd. Changsha Renmin Road sub branch Pledgor: Hunan strict Intelligent Technology Co.,Ltd. Registration number: Y2023980046635 |
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