CN110203467B - Crease forming device of three-dimensional packaging bag - Google Patents
Crease forming device of three-dimensional packaging bag Download PDFInfo
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- CN110203467B CN110203467B CN201910639610.9A CN201910639610A CN110203467B CN 110203467 B CN110203467 B CN 110203467B CN 201910639610 A CN201910639610 A CN 201910639610A CN 110203467 B CN110203467 B CN 110203467B
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- packaging bag
- forming device
- bottom plate
- crease
- forming
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 83
- 229920006280 packaging film Polymers 0.000 claims abstract description 30
- 239000012785 packaging film Substances 0.000 claims abstract description 30
- 238000013461 design Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 6
- 238000007373 indentation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
-
- 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
- B65B43/08—Forming three-dimensional containers from sheet material
- B65B43/10—Forming three-dimensional containers from sheet material by folding the material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The application discloses a crease forming device of a three-dimensional packaging bag, which comprises a forming bottom plate assembly, a crease forming device and a crease forming device, wherein the forming bottom plate assembly is used for winding a packaging film on the forming bottom plate assembly to form a crease; a slit is arranged on each of two sides of the forming bottom plate assembly, and the packaging film covers the slit from two sides; the inserting piece assembly is provided with a corresponding inserting piece, is inserted into the preset depth from the slit and is used for forming M-shaped folds on the side face of the packaging bag; the forming bottom plate assembly is provided with two bottom plates with adjustable width, the spliced shape of the bottom plates is of trapezoid design, and the narrowest dimension of the bottom plates corresponds to the width of the packaging bag; the bottom plates are fixedly connected with the first screw nuts respectively, and the threads in the first screw nuts are oppositely arranged and coaxially assembled on a first threaded rod. The crease forming device of the three-dimensional packaging bag is more convenient to adjust equipment, and is simple in adjusting structure, easy to realize, smaller in size and more stable in treatment process.
Description
Technical Field
The application relates to a packaging machine device, in particular to a packaging machine module device for carrying out three-dimensional crease processing on packaging bags.
Background
In the packaging machine of the prior art, especially for packaging bags of foods, such as noodles, it is often necessary to perform three-dimensional crease pretreatment of the packaging bag during and before packaging of the packaging bag, that is, to perform side-edge M-type crease treatment on the packaging bag to be used, which is usually performed by bending the packaging bag downward, then inserting a side-edge insert into the packaging bag, and controlling the size of the insert to control the size of the M-type crease. However, the specifications of the packaging bags are not uniform, so that different packaging machines are required to be arranged according to different packaging bag sizes (namely the overall size of the packaging bags and the depth of folds different from that of M-shaped folds) in the processing process of the packaging machines, and the cost is extremely high.
The principle of crease operation of the prior art stereoscopic packaging machine as shown in fig. 1 and 2 is that the packaging film 100 is usually stored in a roll form, the width of the packaging film 100 being more than twice the width of the formed packages so as to be able to have overlapping portions for bonding. The wrapping film is transported from the bottom of the device to the right end through the transmission or driving of a plurality of rollers 101, is wound up by the bottom of the device, enters a folding work module through a forming bottom plate assembly 102, as shown in fig. 2, in a rolled state, the wrapping film 100 is in a flat and unfolded state (I), when entering the forming bottom plate assembly 102, is folded inwards for the first time (II), the folded wrapping film 100 covers two sides of the forming bottom plate assembly 102, two sides are provided with gaps, and a plug sheet is respectively arranged at the left and right sides and can be inserted into the gaps, so that a second, third and fourth folding (III, IV, V) is formed, then the wrapping bag with an M-shaped indentation can be formed through preheating and hot-press forming, after forming, the wrapping bag is unfolded once before entering a packaging station, but the M-shaped indentation is reserved, and the wrapping bag with the M-shaped indentation can be directly formed in the subsequent packaging process.
The width of the first crease, namely the width of the narrowest part of the forming bottom plate assembly is the width of the front face of the packaging bag after packaging, and the depth of the inserting slot is half of the height of the side face of the packaging bag after packaging, so that if the width of the forming bottom plate assembly and the depth of the inserting slot can be adjusted, the device can be adjusted to adapt to packaging bags of various types and sizes. After final package forming, the side edges of the packaging bag are upright, the crease lines are obvious and uniform, and the packaging bag cannot rebound.
The inventor of the present application has been working on improvement of a packing machine of three-dimensional packing bags, and the prior packing machine still has the problems of complex structure and inconvenient adjustment when arranging schemes for packing bags with different sizes. In addition, since the crease treatment process of the package bag is long, a problem of insufficient driving force is easily formed.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The application aims to provide a crease forming device of a three-dimensional packaging bag, and provides a more mature and more convenient-to-operate technical scheme aiming at the processing mode of an M-shaped crease packaging bag in the prior art.
The technical scheme of the application is as follows:
the crease forming device of the three-dimensional packaging bag is provided with a bracket and comprises a forming bottom plate assembly, wherein the forming bottom plate assembly is used for winding packaging films on the forming bottom plate assembly to form a folded edge; a slit is arranged on each of two sides of the forming bottom plate assembly, and the packaging film covers the slit from two sides; the inserting piece assembly is provided with a corresponding inserting piece, is inserted into the preset depth from the slit and is used for forming M-shaped folds on the side face of the packaging bag; the forming bottom plate assembly is provided with two bottom plates with adjustable width, the spliced shape of the bottom plates is of trapezoid design, and the narrowest dimension of the bottom plates corresponds to the width of the packaging bag; the bottom plates are fixedly connected with the first screw nuts respectively, and the threads in the first screw nuts are oppositely arranged and coaxially assembled on a first threaded rod.
The crease forming device of the three-dimensional packaging bag, wherein the inserting sheet assembly further comprises a corresponding moving block, the inserting sheet is arranged on the moving block, the movable blocks are fixedly connected with the second screw nuts respectively, and the threads in the second screw nuts are oppositely arranged and coaxially assembled on a second threaded rod.
The crease forming device of the three-dimensional packaging bag is characterized in that a pressing roller with adjustable width is arranged at the rear of the forming bottom plate assembly and comprises a pressing block linked with a third screw nut, wherein the directions of threads in the third screw nut are opposite, and the pressing block is coaxially assembled on a third threaded rod; the pressing block is arranged on the sliding rod parallel to the third threaded rod.
The crease forming device of the three-dimensional packaging bag is characterized in that a longitudinal sliding groove is formed in the sliding rod, and a longitudinal concave-convex pattern matched with the longitudinal sliding groove is correspondingly formed in the pressing block.
The crease forming device of the three-dimensional packaging bag comprises a first threaded rod, a second threaded rod and/or a third threaded rod, wherein corresponding crank structures are arranged on the outer sides of the supports.
The crease forming device of the three-dimensional packaging bag is characterized in that a corresponding position display is arranged on the bracket at a position corresponding to the crank.
The crease forming device of the three-dimensional packaging bag comprises a moving block, wherein the moving block is provided with a strip-shaped through hole through which the fin penetrates, a sliding block is arranged on the outer side of the strip-shaped through hole, the fin is fixedly connected with the sliding block, and the sliding block is used for finely adjusting the depth of the inserting piece through a fourth threaded rod arranged on the moving block.
The crease forming device of the three-dimensional packaging bag is characterized in that a passive roller is further arranged behind the pressing roller and used for stabilizing the folded packaging film.
The crease forming device of any three-dimensional packaging bag, further comprising an unfolding plate for flattening the packaging film after forming the M-shaped crease, wherein the unfolding plate comprises a flat plate with one end bent and tilted, and a vertical rib plate vertically arranged on the flat plate.
The crease forming device of the three-dimensional packaging bag comprises a first threaded rod, a second threaded rod and/or a third threaded rod, wherein at least one guide rod is arranged on two sides of the second threaded rod and/or the third threaded rod.
According to the crease forming device for the three-dimensional packaging bag, provided by the application, the adjustable knob on the whole packaging bag M-shaped prefabricated line is adopted to set the adaptation size adjustment of equipment for packaging bags with different sizes, so that the adjustment of the equipment is more convenient, the adjustment structure is simple and easy to realize, the volume is smaller, and the treatment process is more stable.
Drawings
Fig. 1 is a schematic view of wrapping film wrapping for a three-dimensional wrapping machine of the prior art.
Fig. 2 is a schematic diagram of the working principle of a packaging film of a three-dimensional packaging machine in the prior art.
Fig. 3 and 4 are schematic perspective views of a crease forming device of a stereoscopic packaging bag according to the present application, which are shown at different angles.
Fig. 5 and 6 are a top view and a front view, respectively, of a crease forming apparatus of a stereoscopic packaging bag according to the present application.
Fig. 7 is an exploded view of a crease forming device of a stereoscopic packaging bag according to the present application.
Fig. 8 and 9 are perspective and partially exploded views of the tab device of fig. 7 at different angles.
Fig. 10 is a perspective and partially exploded view of the contoured floor assembly shown in fig. 7.
Fig. 11 is a sectional view in the direction B-B of fig. 5.
Fig. 12 is a partial enlarged view of the portion a in fig. 11.
Detailed Description
The preferred embodiments of the present application are described in detail below.
The application discloses a crease forming device 200 of a three-dimensional packaging bag, which is generally arranged at the front end of a packaging machine such as a noodle packaging machine and is used for forming side M-shaped crease of the packaging bag, generally, a packaging film for a rolled packaging bag is printed, after the crease forming device forms the M-shaped crease, the crease is unfolded and enters the packaging machine for packaging and sealing food.
In a preferred embodiment of the crease forming device 200 according to the present application, the arrangement includes a support 201, wherein the support 201 is formed by welding or reinforcing connection of a steel pipe frame, a steel plate, etc., for carrying a roller, a power driving mechanism, etc. for carrying and transporting the whole carrier, and the principle of film rolling and transporting is shown in fig. 1 and 2 of the prior art. The crease forming device 200 further comprises a forming bottom plate assembly 202, as shown in fig. 3 and 10, for winding the packaging film on the forming bottom plate assembly 202 to form a folded edge (the packaging film is not shown in the drawings), wherein the forming bottom plate assembly 202 is provided with an end trapezoid 282 from right to left, that is, the packaging film is narrowed from right to left in the travelling direction, and is obliquely arranged downwards, and a booster roller can be further arranged at the top end of the end trapezoid 282 and can be driven by external power, such as a belt pulley or a gear transmission, so as to fold the packaging film conveyed from left to right from below at the widest position of the end trapezoid, and tightly stretch the packaging film from right to left from above the forming bottom plate assembly 202.
The forming bottom plate assembly 202 is provided with two bottom plates 232 with adjustable width, the right side of the bottom plates are in a trapezoid design, the widest part of the bottom plates can be provided with a roller with assistance, the roller can be driven by an external driving motor, the narrowest part of the bottom plates corresponds to the width W of the packaging bag, and the packaging film can be bent downwards from the narrowest part as shown in fig. 2. The rear end of the bottom plate 232 is provided with a flat portion 242 extending from the narrowest portion and a cover plate 292 above the flat portion 242 as shown in fig. 3 so that the packaging film passes between the cover plate 292 and the flat portion 242 and is folded down as shown in fig. 2 as a first fold (II). In order to facilitate the packaging film to enter the cover pressure plate 292 and the flat portion 242, the corner of the front end of the cover pressure plate 292 is provided with a V-shaped opening 230, so that the problem that the packaging film is scratched by the corner at the bending position can be prevented, and the packaging film can smoothly enter the subsequent folding step.
The narrowest point at the left side of the end trapezoid 282 is the width W of the package, and the extended flat plate 212 is connected to the left as seen in fig. 2. A slit 222 is provided on each side of the molding base assembly 202 as shown in fig. 10, 11 and 12, and the packaging film is covered on the slit 222 from both sides; a tab assembly has a corresponding tab 203 inserted from the slit 222 to a predetermined depth for forming an M-shaped fold on the side of the package, the predetermined depth being the maximum height H of the side of the package where the M-shaped fold is located, as shown in fig. 2.
The straight portions 242 of the bottom plate 232 may be fixedly connected to the first screw nut 204, respectively, as shown in fig. 5 and 7, and the threads in the first screw nut 204 are disposed opposite to each other and coaxially assembled on a first threaded rod 214. The number of the first screw nuts 204 is two, the screw directions between the two first screw nuts 204 are opposite, and the two first screw nuts 204 are fixedly connected to the bottom plate 232, so that the first screw rods 214 can translate outwards or inwards simultaneously by rotating, thereby driving the bottom plate 232 to move outwards or inwards, and being suitable for processing M-shaped folds of packaging bags with different width sizes.
In various embodiments, the base 232 may be configured to move the straight portion 242 in synchronism with the end trapezoid 282, or to move the straight portion 242 separately, or to move the end trapezoid 282 only, while maintaining the end trapezoid 282 unchanged.
The cover plate 292 moves synchronously with the bottom plate 232, and a positioning plate 283 is disposed above the cover plate 292, as shown in fig. 7, a plurality of positioning grooves 293 are disposed on the positioning plate 283, and positioning pins 240 adapted to the positioning grooves 293 are disposed on the cover plate 292, so that when the cover plate 292 and the bottom plate 232 move synchronously inwards or outwards, smooth movement and limitation of the movement range can be achieved through cooperation of the positioning grooves and the positioning pins.
In a preferred embodiment of the crease forming apparatus for a three-dimensional packaging bag according to the present application, the insert assembly 210 further includes a corresponding moving block 213, as shown in fig. 8 and 9 (note that the right side module unit in the drawing is a pop-up schematic view), the insert 203 is correspondingly disposed on the moving block 213, the moving blocks 213 are fixedly connected to the second screw-nut 224, as shown in fig. 7, the threads in the second screw-nut 224 are disposed in opposite directions, and are coaxially assembled on a second threaded rod 234. Thus, the second threaded rod 234 may rotate to drive the second screw nut 224 to move outwards or inwards simultaneously, and the depth of the insert 203 inserted into the gap 222 is controlled by the movement of the moving block 213. The front end of the tab 203 is provided with an inward arc transition, i.e. the direction facing the slit 222 is arc-shaped, so as to prevent scratching the packaging film during insertion.
In a better implementation manner, the fin 203 may be further provided with an extended tail wing portion 233, as shown in fig. 8 and 9, and a strip-shaped through hole 243 with a corresponding thickness is provided on the moving block 213, after the tail wing portion 233 passes through the strip-shaped through hole 243, the tail wing portion 233 may be fixedly connected with a sliding block 253 provided outside the strip-shaped through hole, the sliding block 253 and the moving block 213 are cooperatively connected through a slidably adaptive structure, specifically but not limited to, one or more square or round sliding posts 284 may be provided on the sliding block 253, and a sliding groove 294 is correspondingly provided on the moving block 213, through which the sliding block 253 may drive the sliding block 253 to move towards or away from the moving block 213 through a fourth threaded rod 263 provided on the moving block 213, so as to realize fine adjustment of the depth of the insertion of the fin 203 into the gap 222. Between the two moving blocks 213, support plates 250 are provided, and the support plates 250 may be provided to have inclined surfaces which are diagonally opposite to each other, so that the adjusted interval can be visually seen from the gap of the inclined surfaces, and the range of the displacement interval between the two moving blocks 213 can be limited by the size of the gap between the two support plates 250.
The moving block 213, the inserting piece 203 and the sliding block 253 are oppositely arranged to form a structure with two fine-adjustable sides. The whole movable block can be adjusted inwards or outwards simultaneously by a relatively large extent through the adjustment of the second threaded rod, so that the M-shaped crease depth, namely the side surface height of the packaged packaging bag (the side surface height of the packaged packaging bag is twice the M-shaped crease depth, namely the inserting sheet is inserted into the gap depth) is realized. Then fine adjustment of the M-shaped crease depth is achieved by fine adjustment of the slider 253, for example, by adjusting the slider 253 with a knob.
In a preferred embodiment of the crease forming apparatus for a three-dimensional packaging bag of the present application, a pressing roller 205 with adjustable width is disposed at the rear of the forming bottom plate assembly 202, as shown in fig. 4, 5, 6 and 7, and includes a pressing block 225 linked with a third screw nut 215, wherein the directions of threads in the third screw nut 215 are opposite, and are coaxially assembled on a third threaded rod 235; the press block 225 is disposed on a slide bar 245 parallel to the third threaded rod 235. A longitudinal sliding groove 255 is provided on the sliding rod 245, and a longitudinal embossment adapted to the longitudinal sliding groove 255 is correspondingly provided in the pressing block 225, as shown in fig. 7. In this way, the third screw nut 215 can be moved outwards or inwards simultaneously by rotating the third threaded rod 235, and the third screw nut 215 drives the pressing block 225 to move outwards or inwards simultaneously on the sliding rod 245, so that the pressing block 225 can be adjusted to be just pressed on the M-shaped crease position for hot pressing, and finally a relatively obvious and durable crease is formed.
For convenience of operation, the crease forming device of the three-dimensional packaging bag according to the preferred embodiment of the present application is provided with corresponding crank structures 236, 237, 238 on the outer side of the stand 201 on the first, second and/or third threaded rods 214, 234, 235, as shown in fig. 5 and 7. Corresponding position displays 246, 247, 248 are provided on the stand 201 at positions corresponding to the crank. The position display can adopt digital display and can record according to the number of turns of the screw rod rotation so as to conveniently record and mark packaging bags with different widths and models. The width adjustment of the first threaded rod 214 is related to the post-package width of the entire package, the width adjustment of the second threaded rod 234 is related to the height of the package, i.e., the M-fold depth, and the adjustment of the third threaded rod is determined based on the adjustment of the first and second threaded rods 214, 234 so that the compacts 225 thereof can be correspondingly pressed against the M-fold.
A guide bar 251 is further provided on each of the left and right sides of the first and second threaded bars 214 and 234, respectively, as shown in fig. 7, for allowing the corresponding translation member to move more smoothly.
The adjustment of each threaded rod can also be realized in a more automatic adjustment mode, for example, an electric motor is matched with a position display, and under the condition that the initialized position is accurate, a preset control algorithm can be utilized, and the automatic adjustment and control can be performed through intelligent control of a circuit, so that the automatic adaptation to the width and height crease processing of the packaging bag can be realized.
In the preferred embodiment of the crease forming device for the three-dimensional packaging bag, a passive roller 206 is further arranged behind the pressing roller 205, as shown in fig. 7, and is used for stabilizing the folded packaging film, and turning the packaging film to roll the packaging film towards the packaging machine. Above the forming shoe assembly 202, i.e. at the right rear position of the driven roller 206, there is further provided an unfolding plate 207 for flattening the packaging film after forming the M-fold, which comprises a flat plate 217 with one end bent and tilted, and a vertical rib plate 227 vertically provided on the flat plate, so that the packaging film can be unfolded and then fed into a subsequent packaging machine, and the M-fold formed before this time is still present and preserved.
According to the crease forming device for the three-dimensional packaging bag, through the matching of the inserting sheets and the gaps and the adjustability of each processing structure, equipment and devices which can process packaging bags with different types and sizes are realized, and the crease forming device is more general than equipment with a fixed size, and is simpler and more accurate to operate.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (8)
1. The crease forming device of the three-dimensional packaging bag is provided with a bracket and comprises a forming bottom plate assembly, wherein the forming bottom plate assembly is used for winding packaging films on the forming bottom plate assembly to form a folded edge; a slit is arranged on each of two sides of the forming bottom plate assembly, and the packaging film covers the slit from two sides; the inserting piece assembly is provided with a corresponding inserting piece, is inserted into the preset depth from the slit and is used for forming M-shaped folds on the side face of the packaging bag; the packaging bag is characterized in that the forming bottom plate assembly is provided with two bottom plates with adjustable widths, the spliced shape of the bottom plates is of a trapezoid design, and the narrowest dimension of the bottom plates corresponds to the width of the packaging bag; the bottom plates are fixedly connected with the first screw nuts respectively, the directions of threads in the first screw nuts are opposite, and the bottom plates are coaxially assembled on a first threaded rod;
the rear end of the bottom plate is provided with a straight part, the straight part is provided with a cover pressing plate, the cover pressing plate and the bottom plate synchronously move, a positioning plate is arranged above the cover pressing plate, a plurality of positioning grooves are formed in the positioning plate, positioning pins are arranged on the cover pressing plate, and the positioning pins slide in the positioning grooves;
the inserting piece assembly further comprises a corresponding moving block, the inserting piece is arranged on the moving block, the moving block is fixedly connected with a second screw rod nut respectively, the directions of threads in the second screw rod nut are opposite, and the inserting piece assembly is coaxially assembled on a second threaded rod;
the fin part is arranged on the insert, a strip-shaped through hole through which the fin part passes is formed in the moving block, a sliding block is arranged outside the strip-shaped through hole, the fin part is fixedly connected with the sliding block, and the sliding block is used for finely adjusting the depth of the insert through a fourth threaded rod arranged on the moving block.
2. The crease forming device of the three-dimensional packaging bag according to claim 1, wherein a pressing roller with adjustable width is arranged behind the forming bottom plate assembly and comprises a pressing block linked with a third screw nut, wherein the directions of threads in the third screw nut are opposite, and the pressing block is coaxially assembled on a third threaded rod; the pressing block is arranged on the sliding rod parallel to the third threaded rod.
3. The crease forming device of a three-dimensional packaging bag according to claim 2, wherein a longitudinal sliding groove is formed in the sliding rod, and a longitudinal concave convex pattern which is matched with the longitudinal sliding groove is correspondingly formed in the pressing block.
4. The fold forming device of the three-dimensional packaging bag according to claim 2, wherein a corresponding crank structure is provided on any one, two or three of the first, second and third threaded rods, facing the outside of the stand.
5. The crease forming device of a stereoscopic packaging bag according to claim 4, wherein a corresponding position display is provided on the bracket at a position corresponding to the crank.
6. The crease forming device of the three-dimensional packaging bag according to claim 2, wherein a passive roller is further arranged behind the pressing roller and used for stabilizing the folded packaging film.
7. The fold forming device of a three-dimensional packing bag according to any one of claims 1 to 6, further comprising an unfolding plate for unfolding after the packing film is formed with an M-fold, comprising a flat plate with one end bent and tilted, and a vertical rib plate vertically provided on the flat plate.
8. The crease forming device of a stereoscopic packaging bag according to claim 2, wherein at least one guide rod is arranged on two sides of the second threaded rod and/or the third threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639610.9A CN110203467B (en) | 2019-07-16 | 2019-07-16 | Crease forming device of three-dimensional packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639610.9A CN110203467B (en) | 2019-07-16 | 2019-07-16 | Crease forming device of three-dimensional packaging bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203467A CN110203467A (en) | 2019-09-06 |
| CN110203467B true CN110203467B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910639610.9A Active CN110203467B (en) | 2019-07-16 | 2019-07-16 | Crease forming device of three-dimensional packaging bag |
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|---|---|---|---|---|
| GB242891A (en) * | 1925-05-16 | 1925-11-19 | Alfred George Osborne Strong | An improved machine for making paper bags |
| GB368638A (en) * | 1931-07-06 | 1932-03-10 | William Muirhead | Bag-making machine |
| CN1488555A (en) * | 2002-09-06 | 2004-04-14 | Method for producing box with turning cover | |
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| Publication number | Publication date |
|---|---|
| CN110203467A (en) | 2019-09-06 |
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