CN212708297U - Wrapping bag shaping banding device - Google Patents
Wrapping bag shaping banding device Download PDFInfo
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- CN212708297U CN212708297U CN202021163206.3U CN202021163206U CN212708297U CN 212708297 U CN212708297 U CN 212708297U CN 202021163206 U CN202021163206 U CN 202021163206U CN 212708297 U CN212708297 U CN 212708297U
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Abstract
The utility model relates to a wrapping bag shaping banding device, including frame and power roller, be provided with a roll-over subassembly in the frame, be provided with hem spare and hot pressing unit in the frame, plastic paper is along power roller direction of transfer in proper order through a roll-over subassembly, hem spare and hot pressing unit, and the edge formation hem of the folding left side limit of hem spare, hot pressing unit is including filling up the casting die, fills up the casting die setting between hem and left side limit, and hot pressing unit can be through hem and the right side limit of hot pressing pad casting die top. The utility model discloses a set up in the frame and turn over a subassembly, make the left and right sides limit of plastic paper upwards buckle and laminate on the plastic paper middle part, through setting up the hem spare, make the hem spare can roll over the hem on the left side edge that sets up at right side limit and plastic paper middle part, through setting up the padding piece, make the padding piece pad establish between hem and left side limit, play can be automatic turn over the left and right sides limit of plastic paper and turn over the effect of rolling over and become the tubular structure at plastic paper middle part hot pressing.
Description
Technical Field
The utility model belongs to the technical field of the technique of wrapping bag manufacturing machinery and specifically relates to a wrapping bag shaping banding device is related to.
Background
In the process of manufacturing plastic bags, two pieces of plastic paper are connected together through hot pressing, which is an important step in a plastic bag manufacturing production line. The plastic bag raw material is rectangular plastic paper which is rolled into a roller shape, the plastic paper is discharged along with a roller and passes through a production line, so that the processes of folding, hot pressing and the like are completed, the plastic paper in an unfolded state is folded, and two opposite side edges are connected to form a cylindrical structure.
The current chinese patent with publication number CN108215334B discloses a plastic bag hot pressing device, which comprises a fixed frame, be provided with the assembly line on the mount, be provided with hot pressing device on the mount, hot pressing device spanes on the assembly line, hot pressing device includes heating module and hot pressing cylinder, hot pressing cylinder one end is fixed on the mount, the other end sets up on heating module, the user is flexible through controlling hot pressing cylinder, can make the vertical removal of heating module and fall on the plastic paper on the assembly line, thereby accomplish the hot pressing, connect two plastic paper.
The above prior art solutions have the following drawbacks: when the plastic paper is a whole piece and two sides of the plastic paper need to be connected in a hot-pressing mode, a user needs to fold the two sides in half and arrange the two sides at the edge of the plastic paper, after the left side and the right side of the plastic paper are respectively folded towards the middle, three layers of plastic paper are arranged in the vertical direction of the cross section of the plastic paper, and at the moment, the hot press is directly pressed down to connect the plastic paper in a hot-pressing mode completely, so that the plastic paper cannot be hot-pressed into a cylindrical structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wrapping bag shaping banding device has the effect that can turn over the left and right sides limit of plastic paper and become the tubular structure at plastic paper middle part hot pressing automatically.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a wrapping bag shaping banding device, includes that frame and a plurality of rotation connect the power roller that is used for conveying plastic paper in the frame, the power roller level sets up and length direction is unanimous, be provided with in the frame and be used for turning over a subassembly that turns over of a plastic paper, left side and right side have been seted up on the plastic paper, left side laminating is on the plastic paper middle part, right side edge laminating is on the left side, be provided with hem spare and hot pressing assembly in the frame, plastic paper is along power roller direction of transfer in proper order through turning over a subassembly, hem spare and hot pressing assembly, the edge formation hem of the folding left side of hem spare, the hem is located right side downside and left side edge side, hot pressing assembly includes the piece of filling up, the piece setting of filling up is between hem and left side, hot pressing assembly can be through hem and.
Through adopting above-mentioned technical scheme, through set up a book subassembly in the frame, make the plastic paper pass through a book subassembly after, it can upwards buckle and laminate the left and right sides limit of plastic paper automatically to turn over a book subassembly on the plastic paper middle part, make things convenient for the follow-up hot pressing of user, through set up the hem spare in the frame, make the hem spare can be in setting up the hem of left side edge and plastic paper middle part, make things convenient for hot pressing assembly to be connected hem and right side edge through the hot pressing, through set up the casting die in the frame, make the casting die pad establish between hem and left side edge, thereby when making the hot press whereabouts, only hot pressing is located the hem and the edge of right side edge of casting die top, thereby play and can turn over the left and right sides limit of plastic paper automatically and become the effect of a section of thick bamboo column structure at the hot.
The utility model discloses further set up to: the machine frame is provided with a bottom plate, and plastic paper is conveyed on the upper surface of the bottom plate.
By adopting the technical scheme, the bottom plate is arranged on the rack, so that the plastic paper passes through the space between the bottom plate and the power roller, the bottom plate and the power roller clamp the plastic paper and press creases on the plastic paper, and the plastic paper is convenient for a user to perform subsequent hot pressing.
The utility model discloses further set up to: the turnover assembly comprises a top roller and a turnover roller, the top roller is hung on the upper surface of the plastic paper, the top roller is rotatably connected to the frame, the length of the top roller is smaller than the width of the plastic paper, the turnover roller comprises a left turnover roller and a right turnover roller, the left turnover roller and the right turnover roller are respectively rotatably connected to two opposite side surfaces of the plastic paper in the width direction, the rotation axis of the turnover roller is intersected with the transmission direction of the power roller, and the turnover roller is inclined towards the direction far away from two side edges in the width direction of the power roller along the transmission advancing direction of the power roller.
Through adopting above-mentioned technical scheme, through setting up the knock-out roll in the frame, make the knock-out roll push down the middle part of plastic paper and make the both ends of plastic paper upwards buckle, through rotate on the frame and connect the roll-over roller, make roll-over roller top can be with left side and right side fifty percent discount and laminating on the plastic paper middle part on left side and right side, play and fold the state to being parallel to each other and flatten left side and right side.
The utility model discloses further set up to: the left folding roller is arranged between the right folding roller and the top roller along the length direction of the plastic paper.
Through adopting above-mentioned technical scheme, through turning over a roll setting on the left and turning over between roll and the kicking roller on the right, make a roll folding roll fold the left side limit earlier and laminate in the middle part of the plastic paper to make the left side limit laminate in the middle part of the plastic paper, the right side limit is pressed on the upper surface of the left side.
The utility model discloses further set up to: the side of the folding piece close to the right side is provided with a yielding groove for the right side to pass through, the side of the folding piece close to the left side is provided with a folding groove for the left side to pass through, the folding piece is provided with an entering side and a moving-out side, the width of the folding groove in the horizontal direction and the height of the folding groove in the vertical direction are gradually reduced along the direction from the entering side to the moving-out side, and the inner surface of the folding groove is of an arc surface structure.
Through adopting above-mentioned technical scheme, through seting up the groove of stepping down on the hem spare, make the right side limit can follow the inslot of stepping down and pass through, through seting up the hem groove on the hem spare, make the width and the height of hem groove descend progressively along the direction that gets into the side and shift out the side to the edge that makes the left side limit can be followed hem inslot internal surface and is buckled when advancing along with plastic paper in the hem inslot, thereby make the hem upwards turn over a book gradually and laminate on the left side edge surface, play the effect of turning over the left side limit edge.
The utility model discloses further set up to: the hot pressing assembly further comprises a hot pressing machine and a reciprocating mechanism used for enabling the hot pressing machine to vertically reciprocate, the hot pressing machine is arranged above the bottom plate and the plastic paper, and the hot pressing machine can fall down and hot press the folded edge and the edge of the right side.
By adopting the technical scheme, the hot press and the reciprocating mechanism are arranged on the rack, so that the reciprocating mechanism can drive the hot press to reciprocate along the vertical direction, when the hot press moves downwards and falls onto the upper surface of the bottom plate, the hot press and the bottom plate clamp the plastic paper, an upper layer of plastic paper and a lower layer of plastic paper can be connected together in a heat sealing manner, the plastic paper is made into a cylindrical structure, and the edge sealing of the side edge is completed.
The utility model discloses further set up to: the reciprocating mechanism is provided with a plurality of cylinders.
Through adopting above-mentioned technical scheme, through vertical a plurality of cylinders that set up on the hot press lower surface, the user of service can make the hot press reciprocate through the flexible of control cylinder, and the response speed and the translation rate of cylinder are very fast, can make the cycle time of reciprocating motion about the hot press shorten to can accelerate the conveying speed of power roller, accelerate the efficiency of hot pressing of hot press.
The utility model discloses further set up to: the hot press is characterized in that a pressing part and two connecting parts are arranged on the pressing part, the pressing part is arranged between the folded edge and the left side edge in a cushioning mode, the pressing part is arranged below the hot press, the two connecting parts are arranged at two ends of the pressing part respectively, and one end, far away from the pressing part, of each connecting part is fixed on the frame.
Through adopting above-mentioned technical scheme, through seting up two connecting portion on the part of pressing the pad, keep away from the one end of pressing the portion of pressing the pad on with connecting portion and fix in the frame to make the pressing portion of pressing the pad can fix in the hot press downside.
The utility model discloses further set up to: the plastic paper pressing machine is characterized in that a plurality of pressing pieces are arranged on the machine frame, one end, far away from the machine frame, of each pressing piece is arranged above plastic paper, each pressing piece is elastic, and each pressing piece and the bottom plate clamp the plastic paper passing through.
Through adopting above-mentioned technical scheme, through set up the piece that flattens in the frame, the plastic paper after making buckle can move to between piece and the bottom plate that flattens to the plastic paper extrusion crease after will buckling promotes the roughness of hot pressing.
To sum up, the utility model discloses a beneficial technological effect does:
1. the hot press machine has the advantages that the turnover assembly is arranged on the machine frame, so that after plastic paper passes through the turnover assembly, the left side edge and the right side edge of the plastic paper can be automatically bent upwards and attached to the middle part of the plastic paper by the turnover assembly, subsequent hot pressing of a user is facilitated, the edge folding piece is arranged on the machine frame, the edge folding piece can be folded on the left side edge arranged on the right side edge and the middle part of the plastic paper, the edge folding piece is connected with the right side edge by the hot pressing assembly, the cushion pressing piece is arranged between the edge folding edge and the left side edge by the cushion pressing piece arranged on the machine frame, and when the hot press machine falls, only the edge folding edge above the cushion pressing piece and the edge of the right side edge are hot pressed, so that the left side edge and the right side edge of the plastic paper can;
2. the left side edge can pass through the abdicating groove by arranging the abdicating groove on the edge folding piece, the width and the height of the edge folding groove are gradually reduced along the direction from the entering side to the moving-out side by arranging the edge folding groove on the edge folding piece, so that the edge of the left side edge can be bent along the inner surface of the edge folding groove when the edge of the left side edge moves forwards along with the plastic paper in the edge folding groove, the edge is gradually folded upwards and attached to the upper surface of the left side edge, and the effect of folding the edge of the left side edge is achieved;
3. through vertically setting up a plurality of cylinders on the hot press lower surface, the user of service can make the hot press reciprocate through the flexible of control cylinder, and the response speed and the translation rate of cylinder are very fast, can make reciprocating motion's cycle time shorten about the hot press to can accelerate the conveying speed of power roller, accelerate the efficiency of hot pressing of hot press.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial cross-sectional view of the plane a-a in fig. 1.
Fig. 3 is a partial cross-sectional view of plane B-B of fig. 1.
Fig. 4 is a partial cross-sectional view of the plane C-C in fig. 1.
Fig. 5 is an overall structural schematic view of the packing.
Reference numerals: 1. a frame; 11. a base plate; 12. flattening the workpiece; 2. a power roller; 3. a turnover assembly; 31. a top roll; 32. a folding roller; 321. a left-turning roll; 322. a right folding roller; 4. a hemmer; 41. a yielding groove; 42. a flanging groove; 43. an entry side; 44. a removal side; 5. a hot pressing assembly; 51. a hot press; 52. a cylinder; 53. a press pad; 531. a cushion pressing part; 532. a connecting portion; 6. plastic paper; 61. a left side; 611. folding edges; 62. the right side.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a wrapping bag shaping banding device, including frame 1, rotate in frame 1 and be connected with a plurality of power source driven power rollers 2 that have, the equal level of power roller 2 sets up and length direction is unanimous. The power roller 2 is used for conveying the plastic paper 6 along the length direction of the frame 1.
Referring to fig. 1, a folding assembly 3 capable of folding plastic paper 6 is disposed on a frame 1. The folding assembly 3 includes a top roller 31 and a plurality of folding rollers 32. A bottom plate 11 is horizontally arranged on the frame 1. The top roller 31 is arranged on the frame 1, and the top roller 31 is suspended and hung on the upper side of the plastic paper 6. The longitudinal direction of the top roller 31 coincides with the power roller 2. The length of the top roller 31 is smaller than the width of the plastic paper 6, and the top roller 31 is rotatably disposed at the center of the upper surface of the plastic paper 6. The top roller 31 is pressed against the upper surface of the plastic paper 6 to fold up both side edges of the plastic paper 6 in the width direction. The folding roller 32 is rotatably connected to the frame 1, and the plastic paper 6 passes through the top roller 31 and the folding roller 32 in sequence along the conveying direction of the power roller 2. The folding roller 32 is disposed above the bottom plate 11. The folding rollers 32 comprise a left folding roller 321 and a right folding roller 322, the left folding roller 321 is arranged on one side of the plastic paper 6 which advances along the transmission of the power roller 2, and the right folding roller 322 is arranged on one side of the plastic paper 6 which is opposite to the left folding roller 321 in the width direction. The turning axis of the folding roller 32 is horizontally arranged and intersects with the conveying direction of the power roller 2. The folding roller 32 is inclined in a direction away from both sides in the width direction of the power roller 2 in the conveying advancing direction of the power roller 2. The plastic paper 6 is provided with a left side 61 and a right side 62, the left side 61 is folded by the left folding roller 321, and the right side 62 is folded by the right folding roller 322. The left folding roller 321 is arranged between the right folding roller 322 and the top roller 31 in the length direction of the plastic paper 6, so that the left side 61 is folded first, and the right side 62 is folded later, so that the edge of the right side 62 can be covered on the upper surface of the left side 61. Be provided with a plurality of pieces 12 that flatten in frame 1, the piece 12 that flattens sets up on bottom plate 11 upper surface, the one end setting of keeping away from frame 1 on the piece 12 that flattens is in the plastic paper 6 top, the piece 12 that flattens has elasticity, plastic paper 6 through the clearance of flattening 12 and bottom plate 11 behind the book subassembly 3, the piece 12 that flattens plays the effect of flattening left side limit 61 and right side limit 62, make left side limit 61 and the laminating of 6 middle parts of plastic paper, right side limit 62 laminating is at left side limit 61 upside.
Referring to fig. 1, a frame 1 is provided with a folding member 4, and plastic paper 6 passes through a folding assembly 3 and the folding member 4 in sequence along the conveying direction of a power roller 2. Folding piece 4 sets up on bottom plate 11 upper surface, has seted up folding groove 42 on folding piece 4 and is close to the side surface of left side 61, has seted up the groove of stepping down 41 on folding piece 4 and is close to the side surface of right side 62. The length direction of the avoiding groove 41 and the hemming groove 42 coincides with the conveying direction of the power roller 2.
Referring to fig. 2 and 3, the middle of the plastic paper 6 passes through the gap between the bottom surface of the folding member 4 and the bottom plate 11, the edge of the left side 61 passes through the folding groove 42, and the edge of the right side 62 passes through the avoiding groove 41. The hemming member 4 has an entrance side 43 and a exit side 44, and the horizontal width and the vertical height of the hemming groove 42 are gradually reduced from the entrance side 43 to the exit side 44. The inner surface of the hemming groove 42 is of an arc-shaped curved surface structure, and the left side 61 moves in the hemming groove 42 along with the plastic paper 6 in the advancing process, so that the edge of the left side 61 is turned upwards along with the inner surface of the hemming groove 42, and finally a hem 611 is generated. When the plastic paper 6 is removed from the folding member 4, the folding edge 611 is attached to the upper surface of the left side edge 61, and the right side edge 62 is removed from the relief groove 41 and attached to the upper surface of the folding edge 611.
Referring to fig. 1 and 4, a hot-pressing assembly 5 for hot-pressing and bonding the folded edge 611 and the right side 62 is disposed on the frame 1, and the hot-pressing assembly 5 includes a hot press 51, a reciprocating mechanism for driving the hot press 51 to reciprocate in a vertical direction, and a pressing member 53 for pressing between the folded edge 611 and the left side 61. The reciprocating assembly is provided with a plurality of air cylinders 52, the air cylinders 52 are vertically arranged on the lower surface of the hot press 51, and the lower ends of the air cylinders 52 are fixed on the frame 1. The hot press 51 is arranged above the bottom plate 11, and a heating part on the hot press 51 moves up and down along with the expansion of the cylinder 52, so that the hot press 51 can fall on the middle part of the upper surface of the plastic paper 6, the effect that the hot press 51 is connected with the edge of the right side 62 and the folded edge 611 is achieved, and the purpose of sealing the edge of the plastic paper 6 is finally achieved. After the hot press 51 finishes hot pressing, the air cylinder 52 extends and lifts the hot press 51, at this time, the power roller 2 drives the part of the plastic paper 6 which is already hot pressed to move, and the plastic paper 6 which is not yet hot pressed is conveyed to the lower part of the hot press 51, so that the air cylinder 52 can drive the hot press 51 to continue hot pressing through contraction.
Referring to fig. 1 and 5, a packing member 53 is disposed between the hot press 51 and the base plate 11. The presser 53 includes a presser 531 and two connecting portions 532, and the length direction of the presser 531 is parallel to the conveying direction of the power roller 2.
Referring to fig. 4, the pad pressing portion 531 is disposed between the left side edge 61 and the folded edge 611, and the pad pressing portion 531 is disposed below the hot press 51. The right side edge 62 and the folded edge 611 are arranged above the cushion pressing portion 531, and the left side edge 61 and the middle of the plastic paper 6 are arranged below the cushion pressing portion 531, so that the hot press 51 can only connect the folded edge 611 and the right side edge 62 after falling down, and the hot press 51 is prevented from connecting the folded edge 611 with the left side edge 61 and the middle of the plastic paper 6 in a hot pressing manner. Two connecting portions 532 are respectively disposed at both ends of the pressing portion 531, one end of the connecting portion 532 remote from the pressing portion 531 is fixed to the frame 1, and the connecting portion 532 is pressed on the upper surface of the left side edge 61. By providing the connecting portion 532 in the pad pressing portion 531, the pad pressing portion 531 can be held and fixed on the chassis 1.
The implementation principle of the embodiment is as follows: the power roller 2 drives the plastic paper 6 to move on the rack 1, so that the plastic paper 6 is folded from an unfolded state to the middle of the plastic paper 6, the left side 61 is on the upper side, the right side 62 is above the left side 61, the plastic paper 6 passes through the hemming part 4, the right side 62 passes through the abdicating groove 41, the left side 61 passes through the hemming groove 42 and forms a hem 611, the plastic paper 6 is continuously conveyed to the hot-pressing assembly 5, the padding part 53 is padded between the hem 611 and the left side 61, the air cylinder 52 drives the hot press 51 to move downwards and perform hot pressing, the hem 611 and the right side 62 are connected through hot pressing, and the effect of edge sealing of the side edge of the packaging bag is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a wrapping bag shaping banding device, includes that frame (1) and a plurality of rotation connect be used for conveying power roller (2) of plastic paper (6) in frame (1), power roller (2) level sets up and length direction unanimous, its characterized in that: the plastic paper folding machine is characterized in that a folding assembly (3) used for folding plastic paper (6) is arranged on the machine frame (1), a left side edge (61) and a right side edge (62) are arranged on the plastic paper (6), the left side edge (61) is attached to the middle of the plastic paper (6), the edge of the right side edge (62) is attached to the left side edge (61), a folding part (4) and a hot pressing assembly (5) are arranged on the machine frame (1), the plastic paper (6) sequentially passes through the folding assembly (3) along the conveying direction of the power roller (2), hem spare (4) and hot pressing subassembly (5), the edge formation hem (611) of the folding left side limit (61) of hem spare (4), hem (611) are located right side limit (62) downside and left side limit (61) upside, hot pressing subassembly (5) are including pressure packing spare (53), pressure packing spare (53) set up between hem (611) and left side limit (61), hot pressing subassembly (5) can be through hem (611) and right side limit (62) above hot pressing spare (53).
2. The forming edge sealing device for the packaging bag according to claim 1, wherein: a bottom plate (11) is arranged on the rack (1), and the plastic paper (6) is conveyed on the upper surface of the bottom plate (11).
3. The forming and edge sealing device for the packaging bag according to claim 2, wherein: the turnover assembly (3) comprises a top roller (31) and a turnover roller (32), the top roller (31) is hung on the upper surface of the plastic paper (6), the top roller (31) is rotatably connected to the frame (1), the length of the top roller (31) is smaller than the width of the plastic paper (6), the turnover roller (32) comprises a left turnover roller (321) and a right turnover roller (322), the left turnover roller (321) and the right turnover roller (322) are respectively rotatably connected to two opposite side surfaces of the plastic paper (6) in the width direction, the rotation axis of the turnover roller (32) is intersected with the transmission direction of the power roller (2), and the turnover roller (32) inclines towards the direction far away from two side edges in the width direction of the power roller (2) in the transmission advancing direction of the power roller (2).
4. The forming and edge sealing device for the packaging bag according to claim 3, wherein: the left folding roller (321) is arranged between the right folding roller (322) and the top roller (31) along the length direction of the plastic paper (6).
5. The forming and edge sealing device for the packaging bag according to claim 2, wherein: offer groove (41) of stepping down that makes right side limit (62) pass through on the side that is close to right side limit (62) on hem spare (4), set up hem groove (42) that make left side limit (61) pass through on hem spare (4) the side that is close to left side limit (61), set up on hem spare (4) and got into side (43) and shift out side (44), the width on hem groove (42) horizontal direction and the direction of the ascending height in vertical direction along getting into side (43) to shifting out side (44) reduce gradually, hem groove (42) internal surface is arc surface structure.
6. The forming and edge sealing device for the packaging bag according to claim 2, wherein: the hot-pressing assembly (5) further comprises a hot press (51) and a reciprocating mechanism for enabling the hot press (51) to vertically reciprocate, the hot press (51) is arranged above the bottom plate (11) and the plastic paper (6), and the hot press (51) can fall down and hot-press the edges of the folded edge (611) and the right side edge (62).
7. The forming and edge sealing device for the packaging bag according to claim 6, wherein: the reciprocating mechanism is provided with a plurality of air cylinders (52).
8. The forming and edge sealing device for the packaging bag according to claim 7, wherein: the hot press is characterized in that a pad pressing part (531) and two connecting parts (532) are arranged on the pad pressing part (53), the pad pressing part (531) is arranged between the folded edge (611) and the left side edge (61), the pad pressing part (531) is arranged below the hot press (51), the two connecting parts (532) are respectively arranged at two ends of the pad pressing part (531), and one end, far away from the pad pressing part (531), of the connecting part (532) is fixed on the rack (1).
9. The forming and edge sealing device for the packaging bag according to claim 2, wherein: the plastic paper pressing machine is characterized in that a plurality of pressing pieces (12) are arranged on the machine frame (1), one end, far away from the machine frame (1), of each pressing piece (12) is arranged above plastic paper (6), each pressing piece (12) is elastic, and the pressing pieces (12) and the bottom plate (11) clamp the passing plastic paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163206.3U CN212708297U (en) | 2020-06-19 | 2020-06-19 | Wrapping bag shaping banding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163206.3U CN212708297U (en) | 2020-06-19 | 2020-06-19 | Wrapping bag shaping banding device |
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| CN212708297U true CN212708297U (en) | 2021-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071149A (en) * | 2021-03-31 | 2021-07-06 | 淄博健利轻工制品有限公司 | Gluing all-in-one is folded to container bag |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071149A (en) * | 2021-03-31 | 2021-07-06 | 淄博健利轻工制品有限公司 | Gluing all-in-one is folded to container bag |
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