CN114228255B - Classified cleaning bag forming process - Google Patents
Classified cleaning bag forming process Download PDFInfo
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- CN114228255B CN114228255B CN202111588801.0A CN202111588801A CN114228255B CN 114228255 B CN114228255 B CN 114228255B CN 202111588801 A CN202111588801 A CN 202111588801A CN 114228255 B CN114228255 B CN 114228255B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 230000000903 blocking effect Effects 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 4
- 238000009958 sewing Methods 0.000 abstract description 14
- 238000010096 film blowing Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 22
- 239000007788 liquid Substances 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006664 bond formation reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/68—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting
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- Making Paper Articles (AREA)
Abstract
The invention relates to the field of cleaning bag forming, in particular to a classifying cleaning bag forming process, which solves the technical problems that the conventional stay cord cleaning bag is not simple enough and has more redundant designs, can effectively realize the forming of a cleaning bag roll with double-color intervals, and comprises the following steps: firstly, realizing a spacing bicolor film by utilizing a film blowing die head; secondly, positioning and forming a plurality of sheet bodies on the film, and digging and cutting a notch of the accommodating cavity; thirdly, inputting two piece-shaped pull ropes; fourth, folding, wherein the film completely covers the pull rope after folding; fifthly, stitching to form a containing cavity, wherein the pull rope is positioned in the containing cavity; sixthly, folding the film, wherein the folding part forms a bottom edge; seventh, stitching at intervals to form side stitching lines; eighth, sewing two pull ropes positioned at the notch of the accommodating cavity; a ninth step of virtually cutting to form a virtually cut line, and virtually cutting or cutting off the pull rope; and tenth, folding the film again, and winding to form the cleaning bag roll.
Description
Technical Field
The invention relates to the field of cleaning bag forming, in particular to a classification cleaning bag forming process.
Background
At present, the stay cord cleaning bag is a cleaning bag which is relatively commonly used in daily life, such as Chinese patent number: 2020227235660A household privacy stay cord cleaning bag comprises a cleaning bag and a stay cord, wherein a wire binding groove is formed in the top of the cleaning bag, a stay cord is sleeved in the wire binding groove, a reinforcing binding opening is glued outside the wire binding groove, oblique stripes are arranged outside the cleaning bag, a reinforcing base cushion is glued at the bottom of the cleaning bag, an inner skirt edge is arranged inside the cleaning bag, and rubber bands are embedded inside the inner skirt edge.
However, the structure of the conventional pull rope cleaning bag is often not simple enough, has more redundant design, and is often unfavorable for production and molding.
Disclosure of Invention
Therefore, the invention provides a classification cleaning bag forming process aiming at the problems, which solves the technical problems that the conventional stay rope cleaning bag is not simple enough and has more redundant design, and can effectively realize the forming of the cleaning bag rolls with double-color intervals.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a process for classifying cleaning bags, comprising the steps of:
firstly, realizing a spacing bicolour film by using a film blowing die head, and outputting the film into a wide film;
secondly, after the film is output, positioning and forming a plurality of sheet bodies on the film, wherein each sheet body is a basic unit for forming a cleaning bag, and notches of a containing cavity are dug and cut between adjacent sheet bodies and positioned at two ends of the film in the width direction;
thirdly, inputting two flaky pull ropes along the conveying direction of the film, wherein the pull ropes are positioned at the notch part of the accommodating cavity;
the upper end and the lower end of the film are folded inwards, the folded part is positioned in the middle of the notch of the accommodating cavity to form a bending line of the accommodating cavity, the folded film completely covers the pull rope, and part of the pull rope is positioned in the notch of the accommodating cavity;
fifthly, stitching the folded film to form a containing cavity, wherein the pull rope is positioned in the containing cavity, and the pull rope is positioned between the containing cavity bending line and the containing cavity suture line;
sixthly, folding the middle part of the film along the width direction, wherein the folding part forms a bottom edge;
seventh, stitching is performed on the folded film at intervals along the length direction to form side stitching lines, and two side stitching lines are arranged at two ends of each sheet body along the width direction;
eighth, after folding, the two pull ropes are overlapped with each other, and the two pull ropes positioned at the notch of the accommodating cavity are sewn to form a connecting part;
ninth, virtual cutting is carried out on the film along the adjacent parts of each sheet body to form virtual cutting lines, and the virtual cutting lines simultaneously virtual cut or cut off the parts of the adjacent pull ropes;
and tenth, folding the film for more than one time along the width direction, and then winding to form the cleaning bag roll.
In the seventh step, when forming the side seam, a space seam is extended from the two side seam lines to the middle of the part of the film near the bottom edge, and a water leakage channel for water leakage is arranged between the two space seam lines.
Furthermore, blocking sutures are arranged below the two spacing sutures on the film and below the water leakage channel, and a water leakage channel is formed between the blocking sutures and each spacing suture.
Further, the spacing between the spacing suture and the blocking suture is less than 10mm and greater than 5mm.
Further, the spacing suture is an upwardly convex curve, and the blocking suture is a downwardly convex curve.
In the third step, a water leakage virtual tangent line is arranged on the part of the film close to the bottom edge, a tearing piece is stuck at the water leakage virtual tangent line, the tearing piece is used for driving the water leakage virtual tangent line to tear when being torn off, and the water leakage virtual tangent line is positioned between the interval suture line and the bottom edge.
Further, the film blowing die head comprises a feeding base, a feeding pipe is arranged at the upper end of the feeding base, a feeding hole is arranged in the middle of the feeding pipe, a connecting hole is arranged on the side face of the feeding hole, a feeding ring groove avoiding the connecting hole is arranged on the outer side wall of the feeding pipe, a feeding block is sleeved outside the feeding pipe and arranged on the feeding base, a first feeding port communicated with the connecting hole and a second feeding port communicated with the feeding ring groove are arranged on the feeding block, a first spiral die core is sleeved on the feeding block at the upper end and positioned on the feeding pipe, a first step part is arranged on the first spiral die core, a first spiral line is arranged on the upper end of the first step part, a middle sleeve body is sleeved outside the first step part, a second spiral mold core is arranged between the middle sleeve body and the first spiral body and positioned on the first step part, a second spiral line is arranged on the outer side surface of the circumference of the second spiral mold core, a first feeding channel is formed between the first spiral body and the second spiral mold core, a second feeding channel is formed between the second spiral mold core and the middle sleeve body, a plurality of first communication holes for communicating the first feeding channel with the feeding holes are arranged on the first spiral mold core, a plurality of second communication holes for communicating the second feeding channel with the feeding ring groove are arranged on the first spiral mold core, a mounting hole is arranged on the upper end of the first spiral body, a spherical mold core is rotatably arranged on the mounting hole, a confluence ring is rotatably arranged on the upper end of the second spiral mold core, an upper sleeve body is covered on the upper end of the middle sleeve body, a first extension channel for communicating the first feeding channel is formed between the confluence ring and the spherical mold core, the upper sleeve body and the confluence ring form a second extension channel communicated with a second feeding channel, a discharging channel is formed between the upper sleeve body and the spherical mold core, and the first extension channel and the second extension channel are arranged at the upper end of the confluence ring and are positioned at the lower end of the discharging channel for confluence.
Further, the first spiral line is gradually smaller from one end close to the feeding base to one end of the spherical mold core, and the second spiral line is gradually smaller from one end close to the feeding base to one end of the spherical mold core.
Further, the first communication hole is arranged in a structure which is inclined from inside to outside and from bottom to top, the inclination angle is not less than 20 degrees, and the second communication hole is arranged in a structure which is inclined from inside to outside and from bottom to top, and the inclination angle is not less than 20 degrees.
Further, an air flow channel communicated with the mounting hole is arranged on the first spiral mold core, an air outlet channel is arranged in the middle of the spherical mold core, an air inlet channel is formed between the spherical mold core and the first spiral body, and the air inlet channel is communicated with the first extension channel.
By adopting the technical scheme, the invention has the beneficial effects that: the scheme provides a simple structure, easy fashioned stay cord cleaning bag, and this kind of cleaning bag can rely on the side of near side seam to connect gradually and form the cleaning bag roll moreover. Correspondingly, the pull ropes are sheet-shaped and can be connected in sequence, so that larger protrusions can be avoided when the cleaning bag rolls are formed by winding. And through being provided with the holding chamber incision that is used for exposing the stay cord tip on the both sides of each holding chamber respectively, the tip of two stay cords is in holding chamber incision department mutual bonding formation cyclic annular to can form the design of bilateral stay cord, and can be convenient for take up and tie. The holding cavity is formed by inwards bending and sewing one end of the sheet body at the opening, the bending part forms a holding cavity bending line, the sewing part forms a holding cavity suture line, and a holding cavity is formed between the holding cavity bending line and the holding cavity suture line, so that folding and sewing are only needed during molding, and ultrasonic, hot melt adhesion and other modes can be adopted for sewing. Can be conveniently formed. Of course, if the sheet itself has a double layer structure, only stitching is required.
Further, the two sheets are integrally formed at the bottom of the bag body, and compared with the sewing, the two sheets are not greatly different, and the sewing is changed into the folding in the process, but different modes of cleaning the bag are realized.
Furthermore, the arrangement of the interval suture lines and the water leakage channels aims at avoiding that too much water is contained in kitchen garbage, and the arrangement of the interval suture lines and the water leakage channels can realize downward flow of liquid, and the rest garbage is located on the interval suture lines. The width of the water leakage channel is usually controlled to be about 20mm, the interval suture line is controlled to be about 50mm away from the bottom, and specific values are adjusted according to actual needs.
Furthermore, the arrangement of the blocking suture line and the water passing channel is mainly used for limiting the passage of garbage impurities, so that the purpose of solid-liquid separation is effectively realized. The spacing between the spacing suture and the blocking suture is less than 10mm and greater than 5mm.
Furthermore, the interval suture line is an upward convex curve, and the blocking suture line is a downward convex curve, so that the formed solid-liquid separation effect is better.
Furthermore, the arrangement of the broken water leakage line and the tearing piece can realize that when the liquid is too much, the tearing piece is torn off so as to facilitate water leakage, and when the water leakage is finished, the tearing piece can be stuck back.
Further, through the setting of first spiral mold core, second spiral mold core, can form first feed channel and second feed channel, and correspond first feed channel and second feed channel and be provided with feed port and feeding annular, correspond feed port and feeding annular and be provided with first notes material mouth and second notes material mouth, thereby can realize the injection respectively of two kinds of different materials, when the ring is converged to the flow channel, the front end at the discharge channel is converged to two kinds of materials, this kind of flow channel is not the mixing just, but because the spiral output of first spiral mold core, second spiral mold core can form the connection of interval here, thereby can effectively form the interval distribution of two kinds of materials when blowing out, when two kinds of material colour are different, can form the double-colored cleaning bag. Further, the first spiral line gradually becomes smaller from one end close to the feeding base to one end of the spherical mold core, so that the feeding of materials and the control of thickness can be facilitated. Further, the second spiral line gradually becomes smaller from one end close to the feeding base to one end of the spherical mold core, so that the feeding of materials and the control of thickness can be facilitated. Furthermore, the first communication hole is arranged to be inclined from inside to outside and from bottom to top, and the inclination angle is not less than 20 degrees, so that the material can be conveniently introduced. Furthermore, the second communication hole is arranged to be inclined from inside to outside and from bottom to top, and the inclination angle is not less than 20 degrees, so that the material can be conveniently entered. Furthermore, the arrangement of the air flow channel, the air outlet channel and the air inlet channel can be used for air flow assistance during film blowing.
Drawings
FIG. 1 is a schematic view of a structure of a classified cleaning bag;
FIG. 2 is a schematic view of the structure of FIG. 1 in a top view;
FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 1;
fig. 4 is an enlarged view at B in fig. 3;
fig. 5 is an enlarged view at C in fig. 1;
FIG. 6 is a schematic view of the connection structure of the present solution when forming a roll of cleaning bags;
FIG. 7 is a schematic view of the structure of the expanded state of FIG. 6;
FIG. 8 is a schematic view of the structure of a two-color distribution of a cleaning bag;
FIG. 9 is a schematic view of the structure of a film blowing die;
FIG. 10 is a cross-sectional view taken at D-D of FIG. 9;
fig. 11 is a schematic view of the configuration of the feed base mated with the feed block.
Detailed Description
The invention will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 5, the present embodiment provides a classified cleaning bag, which is formed by the present molding process, and includes a bag body 1 and two sheet-shaped pull ropes 2, wherein the bag body 1 is formed by sewing two sheet bodies 3 along three sides, two side sewing threads 31 are formed by sewing two sides of the sheet bodies, a bottom sewing thread is formed between the two side sewing threads 31, one side which is not sewn left forms an opening 11 of the bag body, a containing cavity 33 is formed on each sheet body 3 at the opening 11, each pull rope 2 is placed in each containing cavity 33, containing cavity cut-outs 13 for exposing end portions of the pull ropes are respectively arranged on two sides of each containing cavity 33, the end portions of the two pull ropes 2 are mutually adhered at the containing cavity cut-outs 13 to form a ring shape, and the adhering portion forms a connecting portion 12. The accommodating cavity 33 is formed by inwards bending and sewing one end of the sheet 3 at the opening 11, an accommodating cavity bending line 331 is formed at the bending position, an accommodating cavity suture 332 is formed at the sewing position, and the accommodating cavity 33 is formed between the accommodating cavity bending line 331 and the accommodating cavity suture 332. The two sheets 3 are integrally formed at the bottom of the pouch 1 to form a bottom edge 32, which is identical to the bottom seam described above.
The bag body 1 is provided with two side suture lines which extend towards the middle from the bottom, and a water leakage channel 6 for water leakage is arranged between the two side suture lines 5. Below the two spacing sutures 5 and below the water leakage channel 6 is provided with a blocking suture 7, and a water passage 71 is formed between the blocking suture 7 and each spacing suture 5. The spacing between the spacing suture 5 and the blocking suture 7 is less than 10mm and greater than 5mm, e.g. sized 8mm. The spacing suture 5 is an upwardly convex curve, and the blocking suture 7 is a downwardly convex curve. The water leakage virtual tangent line 8 is arranged on the bag body 1 near the bottom edge 32 and at the lower end of one interval suture line 5, and a tearing sheet is adhered to the bag body 1 at the water leakage virtual tangent line 8 and is used for driving the water leakage virtual tangent line to tear when being torn off, so that the water leakage purpose is realized. The tearing piece is provided with an end part with one end not coated with glue.
In this scheme, the material of stay cord is the stronger, higher plastics lamellar body of hardness of toughness, can satisfy the lifting and the tying of the bag body that fills up rubbish.
Referring to fig. 6 again, two bags 1 are connected along the side edges, and the pull ropes 2 are connected in sequence. Wherein the virtual tangent line 4 is used for separating two bag bodies, and can be convenient for tearing the bag bodies. The virtual tangent line is also used for separating the pull ropes, so that the pull ropes can be separated. When the pull cord is separated along the imaginary tangent line, i.e. along the junction of the two connection portions 12, the continuous pull cord becomes a loop.
Referring again to fig. 7, this is the expanded state diagram of fig. 6. Wherein, the bending line 331 and the bottom edge 32 of the accommodating cavity are folding lines; side suture 31, receiving cavity suture 332, connecting portion 12 for suturing; the virtual tangent line 4 is used for forming an easy-tearing line; the accommodating cavity incision 13 is an incised part.
Referring again to fig. 8, a schematic diagram of a two-color cleaning pouch is disclosed, wherein 1a is a colored portion and 1b is a transparent portion.
Referring to fig. 9 to 11 again, the present embodiment further provides a film blowing die for classifying cleaning bags, which comprises a feeding base 91, a feeding pipe is provided at the upper end of the feeding base 91, a feeding hole 9111 is provided in the middle of the feeding pipe, a connection hole 9112 is provided on the side of the feeding hole 9111, a feeding ring groove 9113 avoiding the connection hole 9112 is provided on the outer side wall of the feeding pipe, a first feeding block 92 is provided on the feeding base 91 on the feeding pipe, a first feeding port 921 communicating with the connection hole 9112 and a second feeding port 922 communicating with the feeding ring groove 9113 are provided on the feeding block 92, a first spiral mold core 93 is provided on the feeding base 91 and on the feeding pipe, a first step 931 is provided on the first spiral mold core 93, a first spiral 9321 is provided on the outer side of the circumference of the first spiral body 932, a middle sleeve 94 is provided on the first step 931, a first spiral 9395 is provided on the first spiral 9395, a plurality of spiral holes 9395 are provided on the first spiral 9395 and the second spiral 9395, a plurality of spiral holes 9395 are provided on the first spiral mold core 93, a plurality of spiral holes 9395 are provided on the first spiral holes 9395, the upper end of the second spiral mold core 95 is rotatably provided with a confluence ring 97, the upper end of the middle sleeve body 94 is covered with an upper sleeve body 98, a first extension channel 971 communicated with a first feeding channel 933 is formed between the confluence ring 97 and the spherical mold core 96, a second extension channel 972 communicated with a second feeding channel 952 is formed between the upper sleeve body 98 and the confluence ring 97, a discharging channel 981 is formed between the upper sleeve body 98 and the spherical mold core 96, and the first extension channel 971 and the second extension channel 972 are converged at the upper end of the confluence ring 97 and are positioned at the lower end of the discharging channel 981.
The first spiral 9321 tapers from an end near the feed base 91 to an end of the spherical mold core 96. The second spiral line 951 tapers from an end near the feed base 91 to an end of the spherical mold core 96. The first communication hole 934 is configured to incline from the inside to the outside and from the bottom to the top, and the inclination angle is not less than 20 degrees, and the 25 degrees are selected in this embodiment. The second communicating hole 935 is provided in a structure inclined from the inside to the outside and from the bottom to the top, and the inclination angle is not less than 20 degrees, and the present embodiment selects 25 degrees.
The first spiral mold core 93 is provided with an air flow channel 936 communicated with a mounting hole 9322, and the middle part of the spherical mold core 96 is provided with an air outlet channel 962. An air inlet channel is formed between the spherical mold core 96 and the first screw 932, and the air inlet channel is communicated with the first extension channel 971.
In fig. 10, the solid arrow indicates the feeding direction of the first material, the dotted arrow indicates the feeding direction of the second material, and the two-dot chain line indicates the airflow passage.
Through the setting of first spiral mold core, second spiral mold core, can form first feed channel and second feed channel, and correspond first feed channel and second feed channel and be provided with feed port and feeding annular, it is provided with first notes material mouth and second notes material mouth to correspond feed port and feeding annular, thereby can realize the injection respectively of two kinds of different materials, when converging the ring, at the front end of discharge channel, this kind of conflux is not the mixing, but because the spiral output of first spiral mold core, second spiral mold core, can form the connection of interval here, thereby can effectively form the interval distribution of two kinds of materials when blowing out, when two kinds of material colours are different, can form the bicolor cleaning bag. Further, the first spiral line gradually becomes smaller from one end close to the feeding base to one end of the spherical mold core, so that the feeding of materials and the control of thickness can be facilitated. Further, the second spiral line gradually becomes smaller from one end close to the feeding base to one end of the spherical mold core, so that the feeding of materials and the control of thickness can be facilitated. Furthermore, the first communication hole is arranged to be inclined from inside to outside and from bottom to top, and the inclination angle is not less than 20 degrees, so that the material can be conveniently introduced. Furthermore, the second communication hole is arranged to be inclined from inside to outside and from bottom to top, and the inclination angle is not less than 20 degrees, so that the material can be conveniently entered. Furthermore, the arrangement of the air flow channel, the air outlet channel and the air inlet channel can be used for air flow assistance during film blowing.
Based on the above classification cleaning bags and the film blowing die head, the embodiment also provides a classification cleaning bag forming process, which comprises the following steps:
firstly, realizing a spacing bicolour film by using a film blowing die head, and outputting the film into a wide film;
secondly, after the film is output, positioning and forming a plurality of sheet bodies on the film, wherein each sheet body is a basic unit for forming a cleaning bag, and notches of a containing cavity are dug and cut between adjacent sheet bodies and positioned at two ends of the film in the width direction;
thirdly, inputting two flaky pull ropes along the conveying direction of the film, wherein the pull ropes are positioned at the notch position of the accommodating cavity, a water leakage virtual tangent line is arranged at the position, close to the bottom edge, of the film, a tearing piece is stuck at the water leakage virtual tangent line, and is used for driving the water leakage virtual tangent line to tear when being torn off, so that the water leakage purpose is realized, and the water leakage virtual tangent line is positioned between a spacing suture line and the bottom edge;
the upper end and the lower end of the film are folded inwards, the folded part is positioned in the middle of the notch of the accommodating cavity to form a bending line of the accommodating cavity, the folded film completely covers the pull rope, and part of the pull rope is positioned in the notch of the accommodating cavity;
fifthly, stitching the folded film to form a containing cavity, wherein the pull rope is positioned in the containing cavity, and the pull rope is positioned between the containing cavity bending line and the containing cavity suture line;
sixthly, folding the middle part of the film along the width direction, wherein the folding part forms a bottom edge;
seventhly, stitching is carried out on the folded film at intervals along the length direction to form side stitching lines, two side stitching lines are arranged at two ends of each sheet body along the width direction, when the side stitching lines are formed, interval stitching lines extend from the two side stitching lines to the middle at the position, close to the bottom edge, of the film, water leakage channels for water leakage are reserved between the two interval stitching lines, blocking stitching lines are arranged below the two interval stitching lines on the film and below the water leakage channels, water leakage channels are formed between the blocking stitching lines and the interval stitching lines, the interval between the interval stitching lines and the blocking stitching lines is smaller than 10mm and larger than 5mm, the interval stitching lines are upward convex curves, and the blocking stitching lines are downward convex curves;
eighth, after folding, the two pull ropes are overlapped with each other, and the two pull ropes positioned at the notch of the accommodating cavity are sewn to form a connecting part;
ninth, virtual cutting is carried out on the film along the adjacent parts of each sheet body to form virtual cutting lines, and the virtual cutting lines simultaneously virtual cut or cut off the parts of the adjacent pull ropes;
and tenth, folding the film for more than one time along the width direction, and then winding to form the cleaning bag roll.
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 details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A process for forming classified cleaning bags, comprising the steps of:
the first step, utilize the inflation film manufacturing head, realize the film of interval form double-colored film, then export into wide film, the inflation film manufacturing head includes the feeding base, feeding base upper end is equipped with a inlet pipe, the middle part of inlet pipe is equipped with the feed port, be equipped with the connecting hole on the side of feed port, be equipped with the feeding annular groove of dodging the connecting hole on the lateral wall of inlet pipe, be located the inlet pipe overcoat on the feeding base and be equipped with first feeding block, be equipped with on the feeding block with connecting hole intercommunication first feed port and with feeding annular groove intercommunication second feed port, feeding block upper end just be located the cover and be equipped with first spiral mold core on the inlet pipe, be equipped with first step portion on the first spiral mold core, be equipped with first spiral on the upper end of first step portion, be equipped with first spiral shell on the first spiral outer side, be equipped with the well cover body on the first spiral shell, between well cover body and the first spiral shell and the first spiral, be equipped with the second spiral shell, the second spiral shell is equipped with the second spiral shell, be equipped with the second spiral shell and be equipped with the second spiral shell, the first spiral shell and the second is equipped with the through-hole on the first spiral shell, the second spiral shell is equipped with the first spiral shell around the first through-channel is equipped with on the first spiral shell, the second through-hole is equipped with on the first spiral shell, the through hole is equipped with on the first spiral shell around the first spiral shell and the first through hole on the core and the first through-hole, the first extension channel is communicated with a first feeding channel, the second extension channel is formed between the upper sleeve body and the converging ring, the discharging channel is formed between the upper sleeve body and the spherical mold core, the first extension channel and the second extension channel are converged at the upper end of the converging ring and positioned at the lower end of the discharging channel, the first spiral line is gradually reduced from one end close to the feeding base to one end of the spherical mold core, the second spiral line is gradually reduced from one end close to the feeding base to one end of the spherical mold core, the first spiral mold core is provided with an airflow channel communicated with a mounting hole, the middle part of the spherical mold core is provided with an air outlet channel, an air inlet channel is formed between the spherical mold core and the first spiral body, and the air inlet channel is communicated with the first extension channel;
secondly, after the film is output, positioning and forming a plurality of sheet bodies on the film, wherein each sheet body is a basic unit for forming a cleaning bag, and notches of a containing cavity are dug and cut between adjacent sheet bodies and positioned at two ends of the film in the width direction;
thirdly, inputting two flaky pull ropes along the conveying direction of the film, wherein the pull ropes are positioned at the notch part of the accommodating cavity;
the upper end and the lower end of the film are folded inwards, the folded part is positioned in the middle of the notch of the accommodating cavity to form a bending line of the accommodating cavity, the folded film completely covers the pull rope, and part of the pull rope is positioned in the notch of the accommodating cavity;
fifthly, stitching the folded film to form a containing cavity, wherein the pull rope is positioned in the containing cavity, and the pull rope is positioned between the containing cavity bending line and the containing cavity suture line;
sixthly, folding the middle part of the film along the width direction, wherein the folding part forms a bottom edge;
seventh, stitching is performed on the folded film at intervals along the length direction to form side stitching lines, and two side stitching lines are arranged at two ends of each sheet body along the width direction;
eighth, after folding, the two pull ropes are overlapped with each other, and the two pull ropes positioned at the notch of the accommodating cavity are sewn to form a connecting part;
ninth, virtual cutting is carried out on the film along the adjacent parts of each sheet body to form virtual cutting lines, and the virtual cutting lines simultaneously virtual cut or cut off the parts of the adjacent pull ropes;
and tenth, folding the film for more than one time along the width direction, and then winding to form the cleaning bag roll.
2. A classified cleaning pouch formation process according to claim 1 wherein: in the seventh step, when forming the side suture, a spacing suture is extended from two side sutures to the middle at the position of the film near the bottom edge, and a water leakage channel for water leakage is arranged between the two spacing sutures.
3. A classified cleaning pouch formation process according to claim 2, wherein: and blocking sutures are arranged below the two spacing sutures on the film and below the water leakage channel, and a water leakage channel is formed between the blocking sutures and each spacing suture.
4. A classified cleaning bag forming process according to claim 3, wherein: the spacing between the spacing suture and the blocking suture is less than 10mm and greater than 5mm.
5. A classified cleaning bag forming process according to claim 3, wherein: the interval suture line is an upward convex curve, and the blocking suture line is a downward convex curve.
6. A classified cleaning pouch formation process according to claim 2, wherein: in the third step, a water leakage virtual tangent line is arranged on the part of the film close to the bottom edge, a tearing piece is stuck at the water leakage virtual tangent line, the tearing piece is used for driving the water leakage virtual tangent line to tear when being torn off, the water leakage purpose is achieved, and the water leakage virtual tangent line is positioned between the interval suture line and the bottom edge.
7. A classified cleaning pouch formation process according to claim 1 wherein: the first communication hole is arranged in a structure which is inclined from inside to outside and from bottom to top, the inclination angle is not less than 20 degrees, and the second communication hole is arranged in a structure which is inclined from inside to outside and from bottom to top, and the inclination angle is not less than 20 degrees.
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| CN202111588801.0A CN114228255B (en) | 2021-12-23 | 2021-12-23 | Classified cleaning bag forming process |
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| CN114228255B true CN114228255B (en) | 2024-03-19 |
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