CN112238982A - a bag opener - Google Patents
a bag opener Download PDFInfo
- Publication number
- CN112238982A CN112238982A CN201910658561.3A CN201910658561A CN112238982A CN 112238982 A CN112238982 A CN 112238982A CN 201910658561 A CN201910658561 A CN 201910658561A CN 112238982 A CN112238982 A CN 112238982A
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- CN
- China
- Prior art keywords
- bag
- opening
- elastic sheet
- feeding direction
- packaging
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000004806 packaging method and process Methods 0.000 claims abstract description 48
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 16
- 240000007817 Olea europaea Species 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
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
- 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
- B65B43/28—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/54—Means for supporting containers or receptacles during the filling operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Auxiliary Apparatuses For Manual Packaging Operations (AREA)
Abstract
The invention discloses a bag opener which comprises a bag clamping mechanism, a bag opening mechanism and a bag opening mechanism, wherein the bag clamping mechanism clamps two ends of a gap-shaped bag opening of a packaging bag; the bag opening mechanism comprises two elastic pieces which are same in size and mutually attached, the elastic pieces are inserted into a gap-shaped bag opening, the elastic pieces are in a flat-plate shape under the condition of no stress, a space plane where the elastic pieces in the flat-plate shape are located is parallel to the feeding direction of the packaging bag, two ends of each elastic piece are respectively connected with a push plate mechanism, the push plate mechanisms respectively move towards the centers of the elastic pieces, and the two elastic pieces are arched towards opposite directions to enlarge the gap-shaped bag opening originally; the bag clamping mechanism and the bag opening mechanism are sequentially arranged along the feeding direction of the packaging bags, and the maximum friction force of the bag clamping mechanism after the packaging bags are clamped is smaller than the thrust force of the push plate mechanism. By adopting the invention, the packaging bag with the attached and closed opening can be quickly opened, the opening of the bag to be filled in the packaging bag is convenient for materials, and the periodic action efficiency is high.
Description
Technical Field
The invention relates to the field of packaging machinery, in particular to a bag opener.
Background
Food processing also inevitably involves the wrapping bag, and the wrapping bag that comes the material-feeding is often flat for the reason of practicing thrift the space, and the opening is the laminating closure, needs the manual work to strut the sack, pours into the material into the bag again, does the inefficiency of doing so. Meanwhile, the opening of the closed bag opening is not convenient and quick, and how to keep a larger opening area after opening is also important.
Disclosure of Invention
The invention aims to provide a bag opener which can quickly open the opening of a packaging bag attached to a closed opening, is convenient for filling materials into the packaging bag and has high periodic action efficiency.
In order to solve the above problems, the present invention provides a bag opener, and to achieve the above objects, the technical solution adopted by the present invention to solve the technical problems is:
a bag opener, comprising: the bag clamping mechanism clamps two ends of a gap-shaped bag opening of the packaging bag; the bag opening mechanism comprises two elastic pieces which are same in size and mutually attached, the elastic pieces are inserted into a gap-shaped bag opening, the elastic pieces are in a flat-plate shape under the condition of no stress, a space plane where the elastic pieces in the flat-plate shape are located is parallel to the feeding direction of the packaging bag, two ends of each elastic piece are respectively connected with a push plate mechanism, the push plate mechanisms respectively move towards the centers of the elastic pieces, and the two elastic pieces are arched towards opposite directions to enlarge the gap-shaped bag opening originally; the bag clamping mechanism and the bag opening mechanism are sequentially arranged along the feeding direction of the packaging bags, and the maximum friction force of the bag clamping mechanism after the packaging bags are clamped is smaller than the thrust force of the push plate mechanism.
The beneficial effect of adopting above-mentioned technical scheme is: the cross section of the elastic sheet which is not pressed is similar to a line segment, so that the elastic sheet can be conveniently inserted into the narrow opening seam of the packaging bag and is prepared for subsequently opening the bag opening. The bag clamping mechanism clamps the packaging bag in a pre-action manner before the elastic sheet is inserted into the bag opening, and after the two sides of the bag opening are clamped by the bag clamping mechanism, the bag opening cannot be inclined easily by the elastic sheet, so that the elastic sheet can smoothly enter the packaging bag. After the pressure of push pedal mechanism is received to both sides, because the position of flexure strip both sides is injectd, flexure strip middle part arch in opposite directions can constitute a cross section and be olive shape or even circular chamber that link up, has increased the cross sectional area, and the sack that has the slit form is propped up in the company's tape, and the space in the middle of two flexure strips supplies the material that the wrapping bag was filled to pass just, has guaranteed that the material gets into the wrapping bag, and overall structure is ingenious. When the elastic sheet drives the bag opening to deform, the packaging bags clamped by the bag clamping mechanism slide upwards along the trend, the bag clamping mechanism does not need corresponding action, and the overall cost of the equipment is reduced. After the push plate mechanisms are far away from each other, the elastic piece recovers the flat plate state due to the elasticity of the elastic piece, the preparation is made for bag supporting in the next period, and the whole period time is short.
As a further improvement of the invention, the bag clamping mechanism comprises a pair of oppositely-oriented clamping hand cylinders, and the bag opening mechanism comprises a pair of oppositely-oriented linear cylinders.
The beneficial effect of adopting above-mentioned technical scheme is: the cylinder realizes clamping, loosening and repeated elastic deformation of the elastic sheet, and the pneumatic control is reliable and efficient.
As a further improvement of the invention, the clamping cylinder and the linear cylinder are connected with a fixing frame together, the fixing frame is composed of four flat plates which are sequentially and vertically connected, the profile of the cross section of the fixing frame along the direction vertical to the feeding direction of the packaging bag is rectangular, and a clamping cylinder and a linear cylinder are respectively fixed on a pair of parallel flat plates on the fixing frame.
The beneficial effect of adopting above-mentioned technical scheme is: the fixed frame forms a closed-loop rectangular structure, the inner wall of the fixed frame provides a fixed position for the clamping cylinder and the linear cylinder, and meanwhile, the structural strength is guaranteed.
As a further improvement of the invention, the linear cylinder has a linear reciprocating translational degree of freedom, the linear cylinder is contacted with the elastic sheets through the push block, the push block is provided with a convex edge, and two sides of the convex edge on a single push block are contacted with the side edges of the same sides of the two elastic sheets.
The beneficial effect of adopting above-mentioned technical scheme is: meanwhile, the convex edges on the pushing block play a great role, and the internal corners formed at the junctions of the convex edges and the pushing block are limiting positions provided for two sides of the elastic piece. The elastic sheet is prevented from slipping off the push block when the push block acts.
As a further improvement of the invention, the shape of the elastic sheet is rectangular, the side length of the elastic sheet in the direction vertical to the feeding direction of the packaging bag is less than the length of the opening of the slit-shaped bag, and the side length of the elastic sheet in the direction vertical to the feeding direction of the packaging bag is also less than the distance between the two clamping cylinders.
The beneficial effect of adopting above-mentioned technical scheme is: the rectangular elastic piece is convenient for the ejector pad to contact with the line, and the elastic piece is convenient for inserting the bag opening when in the widest state, and meanwhile, the arrangement of the clamping cylinder is not interfered with the elastic piece.
As a further improvement of the invention, under the condition that the elastic sheet is not stressed, the spatial plane where the elastic sheet is located is parallel to the plumb line.
The beneficial effect of adopting above-mentioned technical scheme is: the elastic sheet is low in deformation degree caused by the influence of self weight, and the deformation degree caused by the influence of self weight on the slit-shaped bag opening of the same packaging bag is also low.
As a further improvement of the invention, the plane of the chuck on the clamping cylinder is vertical to the feeding direction of the packaging bag.
The beneficial effect of adopting above-mentioned technical scheme is: when the chuck is opened, the packaging bag can be conveniently pulled out, and the interference friction force to the packaging bag is small.
As a still further improvement of the present invention, the bag opening mechanism is further connected to a feeding mechanism having a degree of freedom of reciprocating translation in a direction parallel to the feeding direction of the packaging bag.
The beneficial effect of adopting above-mentioned technical scheme is: the elastic sheet in the flat plate state can be actively inserted into the bag opening, and the elastic sheet which finishes charging after being opened can also be actively drawn out from the bag opening, so that the cycle time is reduced, and the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment of the present invention;
FIG. 2 is a perspective view of one embodiment of the present invention;
FIG. 3 is a perspective view of one embodiment of the present invention;
FIG. 4 is a perspective view of one embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of one embodiment of the present invention at A;
FIG. 6 is an enlarged view of a portion of one embodiment of the present invention at B.
1-packaging the bag; 1 a-bag mouth; 2-fixing the frame; 3-an elastic sheet; 4-through cavity; 5-a gripper cylinder; 5 a-a chuck; 6-linear cylinder; 6 a-a push block; 6 b-a rib; 7-slit.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
to achieve the object of the present invention, a bag opener comprises: the bag clamping mechanism clamps two ends of a slit-shaped bag opening 1a of the packaging bag 1; the bag opening mechanism comprises two elastic pieces 3 which are same in size and mutually attached, the elastic pieces 3 are inserted into a gap-shaped bag opening 1a, the elastic pieces 3 are in a flat-plate shape under the condition of no stress, the space plane where the elastic pieces 3 in the flat-plate shape are located is parallel to the feeding direction of the packaging bag 1, two ends of each elastic piece 3 are respectively connected with a push plate mechanism, the push plate mechanisms respectively move towards the centers of the elastic pieces 3, the two elastic pieces 3 are arched towards opposite directions, and the gap-shaped bag opening 1a which is originally in the gap shape is enlarged; the bag clamping mechanism and the bag opening mechanism are sequentially arranged along the feeding direction of the packaging bag 1, and the maximum friction force of the bag clamping mechanism after the packaging bag 1 is clamped is smaller than the thrust force of the push plate mechanism.
Fig. 1 to 3 show the state where the elastic pieces 3 are not yet inserted into the bag mouth 1a, and fig. 4 shows the state where the elastic pieces 3 have opened the bag mouth 1a, and a through cavity 4 is formed between the two deformed elastic pieces 3.
The beneficial effect of adopting above-mentioned technical scheme is: the cross section of the elastic sheet which is not pressed is similar to a line segment, so that the elastic sheet can be conveniently inserted into the narrow opening seam of the packaging bag and is prepared for subsequently opening the bag opening. The bag clamping mechanism clamps the packaging bag in a pre-action manner before the elastic sheet is inserted into the bag opening, and after the two sides of the bag opening are clamped by the bag clamping mechanism, the bag opening cannot be inclined easily by the elastic sheet, so that the elastic sheet can smoothly enter the packaging bag. After the pressure of push pedal mechanism is received to both sides, because the position of flexure strip both sides is injectd, flexure strip middle part arch in opposite directions can constitute a cross section and be olive shape or even circular chamber that link up, has increased the cross sectional area, and the sack that has the slit form is propped up in the company's tape, and the space in the middle of two flexure strips supplies the material that the wrapping bag was filled to pass just, has guaranteed that the material gets into the wrapping bag, and overall structure is ingenious. When the elastic sheet drives the bag opening to deform, the packaging bags clamped by the bag clamping mechanism slide upwards along the trend, the bag clamping mechanism does not need corresponding action, and the overall cost of the equipment is reduced. After the push plate mechanisms are far away from each other, the elastic piece recovers the flat plate state due to the elasticity of the elastic piece, the preparation is made for bag supporting in the next period, and the whole period time is short.
In other embodiments of the invention, the bag clamping mechanism comprises a pair of oppositely facing gripper cylinders 5 and the bag opening mechanism comprises a pair of oppositely facing linear cylinders 6.
The beneficial effect of adopting above-mentioned technical scheme is: the cylinder realizes clamping, loosening and repeated elastic deformation of the elastic sheet, and the pneumatic control is reliable and efficient.
In other embodiments of the present invention, the gripper cylinder 5 and the linear cylinder 6 are commonly connected to the fixing frame 2, the fixing frame 2 is composed of four flat plates which are sequentially and vertically connected, the cross-sectional profile of the fixing frame 2 along the direction perpendicular to the feeding direction of the packing bag 1 is rectangular, and a pair of parallel flat plates on the fixing frame 2 are respectively fixed with one gripper cylinder 5 and one linear cylinder 6.
The beneficial effect of adopting above-mentioned technical scheme is: the fixed frame forms a closed-loop rectangular structure, the inner wall of the fixed frame provides a fixed position for the clamping cylinder and the linear cylinder, and meanwhile, the structural strength is guaranteed.
In other embodiments of the present invention, the linear cylinder 6 has a degree of freedom of linear reciprocating translation, the linear cylinder 6 is in contact with the elastic sheets 3 through the pushing block 6a, the pushing block 6a is provided with a rib 6b, and two sides of the rib 6b on a single pushing block 6a are in contact with the side edge of the same side of the two elastic sheets 3.
As shown in fig. 6, the extending direction of the rib 6b is parallel to the feeding direction of the packaging bag 1, the cross section of the rib 6b is rectangular, and the rib 6b forms a gap 7 between the two elastic sheets 3.
The beneficial effect of adopting above-mentioned technical scheme is: meanwhile, the convex edges on the pushing block play a great role, and the internal corners formed at the junctions of the convex edges and the pushing block are limiting positions provided for two sides of the elastic piece. The elastic sheet is prevented from slipping off the push block when the push block acts.
In other embodiments of the present invention, the elastic sheet 3 is rectangular, the length of the side of the elastic sheet 3 perpendicular to the feeding direction of the envelope 1 is smaller than the length of the slit-shaped mouth 1a, and the length of the side of the elastic sheet 3 perpendicular to the feeding direction of the envelope 1 is also smaller than the distance between the two gripper cylinders 5.
The beneficial effect of adopting above-mentioned technical scheme is: the rectangular elastic piece is convenient for the ejector pad to contact with the line, and the elastic piece is convenient for inserting the bag opening when in the widest state, and meanwhile, the arrangement of the clamping cylinder is not interfered with the elastic piece.
In other embodiments of the invention, the spatial plane in which the flexible sheet 3 lies is parallel to the vertical line without stressing the flexible sheet 3.
The beneficial effect of adopting above-mentioned technical scheme is: the elastic sheet is low in deformation degree caused by the influence of self weight, and the deformation degree caused by the influence of self weight on the slit-shaped bag opening of the same packaging bag is also low.
In other embodiments of the present invention, as shown in fig. 5, the plane in which the grippers 5a of the gripper cylinder 5 move is perpendicular to the feeding direction of the envelope 1.
The beneficial effect of adopting above-mentioned technical scheme is: when the chuck is opened, the packaging bag can be conveniently pulled out, and the interference friction force to the packaging bag is small.
In other embodiments of the invention, the bag opening mechanism is further connected to a feeding mechanism having a degree of freedom of reciprocating translation parallel to the feeding direction of the packaging bags 1.
The beneficial effect of adopting above-mentioned technical scheme is: the elastic sheet in the flat plate state can be actively inserted into the bag opening, and the elastic sheet which finishes charging after being opened can also be actively drawn out from the bag opening, so that the cycle time is reduced, and the efficiency is improved.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658561.3A CN112238982B (en) | 2019-07-19 | 2019-07-19 | Bag opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658561.3A CN112238982B (en) | 2019-07-19 | 2019-07-19 | Bag opener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112238982A true CN112238982A (en) | 2021-01-19 |
| CN112238982B CN112238982B (en) | 2024-10-29 |
Family
ID=74168401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910658561.3A Active CN112238982B (en) | 2019-07-19 | 2019-07-19 | Bag opener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112238982B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431504A (en) * | 2022-09-13 | 2022-12-06 | 深圳市北诚自动化设备有限公司 | Membrane expansion structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4069994A (en) * | 1975-01-21 | 1978-01-24 | English Glass Company Limited | Bag holder |
| US5167390A (en) * | 1991-10-15 | 1992-12-01 | Ghassan Baghdadi | Flexible bags mounting and dispensing system |
| JPH0672416A (en) * | 1992-07-01 | 1994-03-15 | Nagasaki Kiki Mfg Co Ltd | Automatically packing flexible container bag and bag-opening device |
| US20030155783A1 (en) * | 2002-02-15 | 2003-08-21 | Yungtai Hsu | Self-closing bag holder and assembly |
| CN210793832U (en) * | 2019-07-19 | 2020-06-19 | 苏州光舵微纳科技股份有限公司 | Bag opener |
-
2019
- 2019-07-19 CN CN201910658561.3A patent/CN112238982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4069994A (en) * | 1975-01-21 | 1978-01-24 | English Glass Company Limited | Bag holder |
| US5167390A (en) * | 1991-10-15 | 1992-12-01 | Ghassan Baghdadi | Flexible bags mounting and dispensing system |
| JPH0672416A (en) * | 1992-07-01 | 1994-03-15 | Nagasaki Kiki Mfg Co Ltd | Automatically packing flexible container bag and bag-opening device |
| US20030155783A1 (en) * | 2002-02-15 | 2003-08-21 | Yungtai Hsu | Self-closing bag holder and assembly |
| CN210793832U (en) * | 2019-07-19 | 2020-06-19 | 苏州光舵微纳科技股份有限公司 | Bag opener |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431504A (en) * | 2022-09-13 | 2022-12-06 | 深圳市北诚自动化设备有限公司 | Membrane expansion structure |
| CN115431504B (en) * | 2022-09-13 | 2025-05-02 | 深圳市北诚自动化设备有限公司 | Membrane layer support structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112238982B (en) | 2024-10-29 |
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Address after: 215000 floors 1 and 2, building 7C, Changshu advanced manufacturing science and Technology Park, No. 2 Jianye Road, Yushan high tech Zone, Changshu, Suzhou, Jiangsu Applicant after: SUZHOU GUANGDUO MICRO, NANO-DEVICE Co.,Ltd. Address before: 215500 102, building 2, kechuangyuan, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU GUANGDUO MICRO, NANO-DEVICE Co.,Ltd. |
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