CN112722981A - Pull-up diaper folding process - Google Patents
Pull-up diaper folding process Download PDFInfo
- Publication number
- CN112722981A CN112722981A CN202011626516.9A CN202011626516A CN112722981A CN 112722981 A CN112722981 A CN 112722981A CN 202011626516 A CN202011626516 A CN 202011626516A CN 112722981 A CN112722981 A CN 112722981A
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- product
- folding
- conveying device
- conveying
- pull
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 48
- 238000005516 engineering process Methods 0.000 claims abstract description 3
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005056 compaction Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 39
- 230000037303 wrinkles Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
-
- 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
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/04—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for folding or winding articles, e.g. gloves or stockings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/30—Folding in combination with creasing, smoothing or application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
- B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention relates to the technical field of production of disposable sanitary products, in particular to a technology for folding pull-up pants, which comprises the following steps: 1) conveying the single product by the conveying device after the single product is turned by the turning device and the crotch of the single product is conveyed forwards and the waist of the single product is conveyed backwards; 2) when in conveying, the upper side and the lower side of the product are exerted with adsorption force, so that the front waist part and the rear waist part of the product are slowly opened; 3) the connecting part of the front waist part and the rear waist part of the product is pushed into the waist part through a folding mechanism, so that the folding is finished; 4) and compacting the finished and folded product by a compacting device, then outputting the compacted product, and entering a stacking process. It utilizes the adsorption affinity to open the preceding waist and the back waist of product, for the waistline infolding improves the prerequisite, because crotch portion forward, the waist backward, its later stage of being convenient for gets into compaction device and carries out the compaction to it, reduces pincher trees and produces, realizes the infolding in the waistline to the pull-up diaper full automatization, makes the product reach unified regularity, facilitates for follow-up stack, guarantees neat, pleasing to the eye of product.
Description
Technical Field
The invention relates to the technical field of production of disposable sanitary products, in particular to a technology for folding pull-up pants.
Background
The conveyer is used commonly in current disposable hygienic articles's the production facility, and it is belt drive usually, includes two synchronous pulley and winds and put synchronous belt on the synchronous pulley, the synchronous belt passes through drive roller transmission, still includes simultaneously that one sets up the adsorption tank in conveyer inside, the fan is connected to the adsorption tank, makes conveyer inside confined space produce the negative pressure, and the product then can adsorb and move on the synchronous belt.
In the production process of the pull-up pants, if the waistline of the product is not folded inwards or the tidiness of the product is effectively treated, the product can directly influence the neatness after entering a stacker, so that the packing difficulty is influenced, and even the overall attractiveness is influenced due to the uneven waistline of the final product.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a pull-up diaper folding process, which solves the technical problems that the appearance of the product is influenced and the boxing difficulty is influenced due to the fact that the existing disposable sanitary product is not enough in alignment before entering a stacker.
In order to achieve the purpose, the invention adopts the following technical scheme: a pull-up diaper folding process comprises the following steps:
1) conveying the single product by the conveying device after the single product is turned by the turning device and the crotch of the single product is conveyed forwards and the waist of the single product is conveyed backwards;
2) when in conveying, the upper side and the lower side of the product are exerted with adsorption force, so that the front waist part and the rear waist part of the product are slowly opened;
3) the connecting part of the front waist part and the rear waist part of the product is pushed into the waist part through a folding mechanism, so that the folding is finished;
4) and compacting the finished and folded product by a compacting device, then outputting the compacted product, and entering a stacking process.
In a further improvement, the conveying device in the step 1) comprises an upper adsorption conveying device and a lower adsorption conveying device, conveying surfaces of the upper adsorption conveying device and the lower adsorption conveying device are oppositely arranged, and the distance between the conveying surfaces of the upper adsorption conveying device and the lower adsorption conveying device is gradually increased from the input end to the output end.
The further improvement is that the folding mechanism in step 3) comprises two folding devices symmetrically arranged on two sides of the output end of the conveying device, each folding device comprises a plurality of synchronous pulleys and a circular belt stretched on the synchronous pulleys, each synchronous pulley in the same folding device is horizontally arranged, the distance between the circular belts in the two folding devices is gradually reduced along the conveying direction, at least one synchronous pulley is connected with the driving mechanism, and the transmission direction of the circular belt is consistent with the conveying direction of the conveying device.
In a further improvement, the synchronous belt wheel is provided with an arc-shaped recess for clamping the circular belt.
In a further improvement, a synchronous pulley at the tail end of the folding device is defined as an adjusting pulley, and the adjusting pulley can be vertically displaced relative to the conveying direction through a displacement device.
In a further improvement, the displacement device is a cylinder.
In a further improvement, the folding device is also provided with a tension wheel.
The improved structure is characterized in that the input ends of the upper adsorption conveying device and the lower adsorption conveying device are aligned, the length of the conveying surface of the lower adsorption conveying device is larger than that of the conveying surface of the upper adsorption conveying device, and the compacting device in the step 4) is arranged above the output end of the lower adsorption conveying device and comprises a compression roller which is used for compacting a product after being matched with the lower adsorption conveying device.
In a further improvement, the compression roller and the conveying surface of the lower adsorption conveying device are matched at the input side to form a conical opening, and the adjusting belt wheel is arranged in the conical opening.
By adopting the technical scheme, the invention has the beneficial effects that: the front waist part and the rear waist part of the product are slowly opened by utilizing the adsorption force, the premise of waistline inward folding is improved, meanwhile, when the product is conveyed, the crotch part is forward and the waist part is backward, the product can conveniently enter the compacting device to compact the product in the later period, the generation of wrinkles is reduced, the full-automatic waistline inward folding of the pull-up diaper is realized, the product achieves uniform alignment, the convenience is provided for subsequent stacking, and the tidiness and the attractiveness of the product are ensured; furthermore, the waist of the pair of pull-up pants is folded inwards by adopting the circular belts, the distance between the circular belts in the two folding devices is gradually reduced along the conveying direction, so that the two sides of the waist of the pair of pull-up pants are gradually folded inwards, the pair of pull-up pants is stable and high in efficiency, and is not easy to wrinkle, the synchronous belt wheels are convenient to maintain, and the cost is reduced; furthermore, the adjustable adjusting belt wheel is arranged, so that the pull-up diaper is suitable for pull-up pants of various types, and the applicability is stronger; furthermore, the adjusting belt wheel is arranged in the conical opening, so that the pull-up pants can be more smoothly connected when entering the compaction device, and the generation of wrinkles is further reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a folding mechanism according to an embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 and 2, the present embodiment provides a pull-up diaper folding process, which includes the following steps:
1) conveying the single product by the conveying device after the single product is turned by the turning device and the crotch of the single product is conveyed forwards and the waist of the single product is conveyed backwards;
2) when in conveying, the upper side and the lower side of the product are exerted with adsorption force, so that the front waist part and the rear waist part of the product are slowly opened;
3) the connecting part of the front waist part and the rear waist part of the product is pushed into the waist part through a folding mechanism, so that the folding is finished;
4) and compacting the finished and folded product by a compacting device, then outputting the compacted product, and entering a stacking process.
Wherein, the steering device in step 1) is a conventional steering device on the existing paper diaper/pull-up diaper production line, which is not described in detail in this embodiment.
The conveying device in the step 1) comprises an upper adsorption conveying device 11 and a lower adsorption conveying device 12, conveying surfaces of the upper adsorption conveying device 11 and the lower adsorption conveying device 12 are arranged oppositely, and the distance between the conveying surfaces of the upper adsorption conveying device 11 and the lower adsorption conveying device 12 is gradually increased from the input end 101 to the output end 102.
The folding mechanism 2 in step 3) comprises two folding devices symmetrically arranged at two sides of the output end of the conveying device, the folding devices comprise a plurality of synchronous pulleys 21, circular belts 22 stretched on the synchronous pulleys 21, and tension pulleys 23 used for adjusting the tension degree of the circular belts 22, the synchronous pulleys 21 are provided with arc-shaped recesses used for clamping the circular belts 22, the synchronous pulleys 21 in the same folding device are horizontally arranged between the synchronous pulleys 21 in the same folding device, and the distance between the circular belts 22 in the two folding devices is gradually reduced along the conveying direction, wherein at least one synchronous pulley 21 in each folding device is connected with a driving mechanism, the transmission direction of the circular belt 22 is consistent with the conveying direction of the conveying device, the synchronous pulley 21 at the tail end of the folding device is defined as an adjusting pulley 21a, and the adjusting pulley 21a can make vertical displacement relative to the conveying direction through an air cylinder (not shown in the figure), in practical applications, it may be other displacement devices that can achieve the vertical displacement of the adjustment pulley 21a relative to the conveying direction.
The input ends of the upper adsorption conveying device 11 and the lower adsorption conveying device 12 are arranged in an aligned mode, the length of the conveying surface of the lower adsorption conveying device 12 is larger than that of the conveying surface of the upper adsorption conveying device 11, the compacting device in the step 4) is arranged above the output end of the lower adsorption conveying device 12 and comprises a press roller 3, the press roller is matched with the lower adsorption conveying device 12 to compact the folded products 8, the press roller 3 and the conveying surface of the lower adsorption conveying device 12 are matched on one input side to form a conical opening 201, and the adjusting belt wheel 21a is arranged in the conical opening 201.
The front waist part and the rear waist part of the product are slowly opened by utilizing the adsorption force, the premise of waistline inward folding is improved, meanwhile, when the product is conveyed, the crotch part is forward and the waist part is backward, the product can conveniently enter the compacting device to compact the product in the later period, the generation of wrinkles is reduced, the full-automatic waistline inward folding of the pull-up diaper is realized, the product achieves uniform alignment, the convenience is provided for subsequent stacking, and the tidiness and the attractiveness of the product are ensured; furthermore, the waist of the pair of pull-up pants is folded inwards by adopting the circular belts, the distance between the circular belts in the two folding devices is gradually reduced along the conveying direction, so that the two sides of the waist of the pair of pull-up pants are gradually folded inwards, the pair of pull-up pants is stable and high in efficiency, and is not easy to wrinkle, the synchronous belt wheels are convenient to maintain, and the cost is reduced; furthermore, the adjustable adjusting belt wheel is arranged, so that the pull-up diaper is suitable for pull-up pants of various types, and the applicability is stronger; furthermore, the adjusting belt wheel is arranged in the conical opening, so that the pull-up pants can be more smoothly connected when entering the compaction device, and the generation of wrinkles is further reduced.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A technology for folding pull-up pants is characterized in that: the method comprises the following steps:
1) conveying the single product by the conveying device after the single product is turned by the turning device and the crotch of the single product is conveyed forwards and the waist of the single product is conveyed backwards;
2) when in conveying, the upper side and the lower side of the product are exerted with adsorption force, so that the front waist part and the rear waist part of the product are slowly opened;
3) the connecting part of the front waist part and the rear waist part of the product is pushed into the waist part through a folding mechanism, so that the folding is finished;
4) and compacting the finished and folded product by a compacting device, then outputting the compacted product, and entering a stacking process.
2. The pull-up pant folding process according to claim 1, wherein: the conveying device in the step 1) comprises an upper adsorption conveying device and a lower adsorption conveying device, conveying surfaces of the upper adsorption conveying device and the lower adsorption conveying device are arranged oppositely, and the distance between the conveying surfaces of the upper adsorption conveying device and the lower adsorption conveying device is gradually increased from the input end to the output end.
3. The pull-up pant folding process according to claim 2, wherein: the folding mechanism in the step 3) comprises two folding devices symmetrically arranged on two sides of the output end of the conveying device, each folding device comprises a plurality of synchronous belt wheels and circular belts stretched on the synchronous belt wheels, each synchronous belt wheel in the same folding device is horizontally arranged, the distance between the circular belts in the two folding devices is gradually reduced along the conveying direction, at least one synchronous belt wheel is connected with a driving mechanism, and the transmission direction of the circular belts is consistent with the conveying direction of the conveying device.
4. A pull-up pant folding process according to claim 3, wherein: the synchronous belt wheel is provided with an arc-shaped recess used for clamping the circular belt.
5. The pull-up pant folding process according to claim 4, wherein: the synchronous belt wheel at the tail end of the folding device is defined as an adjusting belt wheel, and the adjusting belt wheel can be vertically displaced relative to the conveying direction through a displacement device.
6. The pull-up pant folding process according to claim 5, wherein: the displacement device is a cylinder.
7. The pull-up pant folding process according to claim 6, wherein: the folding device is also provided with a tension wheel.
8. A pull-up pant folding process according to any of claims 2 to 7, wherein: the input ends of the upper adsorption conveying device and the lower adsorption conveying device are aligned, the length of the conveying surface of the lower adsorption conveying device is larger than that of the conveying surface of the upper adsorption conveying device, and the compacting device in the step 4) is arranged above the output end of the lower adsorption conveying device and comprises a compression roller which is used for compacting a product after being matched with the lower adsorption conveying device.
9. The pull-up pant folding process according to claim 8, characterized in that: the compression roller and the conveying surface of the lower adsorption conveying device are matched at the input side to form a conical opening, and the adjusting belt wheel is arranged in the conical opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626516.9A CN112722981A (en) | 2020-12-31 | 2020-12-31 | Pull-up diaper folding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626516.9A CN112722981A (en) | 2020-12-31 | 2020-12-31 | Pull-up diaper folding process |
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| Publication Number | Publication Date |
|---|---|
| CN112722981A true CN112722981A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626516.9A Pending CN112722981A (en) | 2020-12-31 | 2020-12-31 | Pull-up diaper folding process |
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| CN (1) | CN112722981A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678987A (en) * | 2007-05-24 | 2010-03-24 | 株式会社瑞光 | Web folding device, method of folding web, and method of manufacturing wearing article |
| EP2636393A1 (en) * | 2010-11-01 | 2013-09-11 | Uni-Charm Corporation | Apparatus and method for folding composite of continuous sheet relating to absorptive product |
| JP2016185851A (en) * | 2015-03-27 | 2016-10-27 | 株式会社瑞光 | Article folding device nad method |
| CN206485678U (en) * | 2016-12-26 | 2017-09-12 | 安庆市恒昌机械制造有限责任公司 | A kind of fold mechanism of product |
| CN207590862U (en) * | 2017-03-27 | 2018-07-10 | 泉州市汉威机械制造有限公司 | A kind of waist patch of paper diaper twice-folding device |
| CN110215352A (en) * | 2019-07-15 | 2019-09-10 | 泉州市嘉佰利卫生材料有限公司 | A kind of manufacture craft for drawing trousers |
-
2020
- 2020-12-31 CN CN202011626516.9A patent/CN112722981A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678987A (en) * | 2007-05-24 | 2010-03-24 | 株式会社瑞光 | Web folding device, method of folding web, and method of manufacturing wearing article |
| EP2636393A1 (en) * | 2010-11-01 | 2013-09-11 | Uni-Charm Corporation | Apparatus and method for folding composite of continuous sheet relating to absorptive product |
| JP2016185851A (en) * | 2015-03-27 | 2016-10-27 | 株式会社瑞光 | Article folding device nad method |
| CN206485678U (en) * | 2016-12-26 | 2017-09-12 | 安庆市恒昌机械制造有限责任公司 | A kind of fold mechanism of product |
| CN207590862U (en) * | 2017-03-27 | 2018-07-10 | 泉州市汉威机械制造有限公司 | A kind of waist patch of paper diaper twice-folding device |
| CN110215352A (en) * | 2019-07-15 | 2019-09-10 | 泉州市嘉佰利卫生材料有限公司 | A kind of manufacture craft for drawing trousers |
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Application publication date: 20210430 |
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| RJ01 | Rejection of invention patent application after publication |