CN114603921B - Preparation method of pet excrement cleaning bag - Google Patents
Preparation method of pet excrement cleaning bag Download PDFInfo
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- CN114603921B CN114603921B CN202210059724.8A CN202210059724A CN114603921B CN 114603921 B CN114603921 B CN 114603921B CN 202210059724 A CN202210059724 A CN 202210059724A CN 114603921 B CN114603921 B CN 114603921B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 210000003608 fece Anatomy 0.000 claims abstract description 20
- 239000012792 core layer Substances 0.000 claims description 100
- 230000007246 mechanism Effects 0.000 claims description 61
- 238000001179 sorption measurement Methods 0.000 claims description 50
- 229920002521 macromolecule Polymers 0.000 claims description 40
- 239000010410 layer Substances 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 19
- 238000007731 hot pressing Methods 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 16
- 210000002700 urine Anatomy 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005213 imbibition Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 10
- 239000011111 cardboard Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 206010028813 Nausea Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008693 nausea Effects 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
- B31B70/10—Feeding or positioning 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
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
-
- 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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/16—Cutting 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
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- 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
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- 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
- B31B2105/00—Rigid or semi-rigid containers made by assembling separate 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
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- 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
- B31B2170/00—Construction of flexible containers
- B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention relates to a preparation method of a pet excrement cleaning bag, wherein a core body is arranged on a bag body and comprises a first core body, a second core body and a third core body. The bag body can be folded from inside to outside, and the operation is simple and convenient; the core body on the bag body has good absorbability and diffusivity, has the function of absorbing liquid and feces, and is beneficial to extracting and absorbing the feces and liquid; the utility model has the advantages of make the snatch excrement and urine of the bag body, absorb the excrement and urine effectual for excrement and urine and liquid in the clearance bag can not pour, solved pet excrement and urine clearance bag and used inconvenient, clearance bag does not have the effect that imbibition sucked excrement and urine, leads to the excrement and urine or liquid in the clearance bag to pour easily, pollutes the technical problem of environment.
Description
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a pet excrement cleaning bag.
Background
At present, a plurality of people in the city are raising pets, the problem that the pets relieve the bowels anywhere in public places is gradually brought to attention, the excrement of the pets is not only bad for the environment, but also has a plurality of adverse effects on the health of human bodies, and the pet excrement can be cleaned up voluntarily, so that the harm to the environment and the health of the human bodies can be relieved. The existing pet excrement cleaning bag is simple in structure, excrement needs to be shoveled onto the shoveling plate through the shoveling plate and the baffle plate, then the excrement is placed in the cleaning bag, and the shoveling plate and the baffle plate are inconvenient to carry, are easy to mix with the smell of the excrement and are easy to pollute the environment; the excrement and the liquid in the cleaning bag are easy to move, the cleaning bag has no effect of sucking the excrement by liquid, and if the cleaning bag is placed carelessly and is inclined or inverted, the excrement and the liquid can be poured out, so that the environment is affected; if the garbage bin is not arranged around, the cleaning bag is placed on the vehicle, so that the excrement and liquid in the cleaning bag are easy to pour out, and peculiar smell is easy to generate; the cleaning bag is placed in the dustbin, and excrement and liquid are easy to pour out and pollute the dustbin.
Chinese patent application No.: 200520018629.5A portable pet faeces cleaning bag is composed of two symmetrical hard paper boards and a bag body, wherein the hard paper boards are adhered to the bag body, and the adhesive part forms an adhesive strip on the upper edge of the bag body. The cardboard extends out of the pouch to form a panel edge. Lifting holes are arranged above the hard paper board. The cleaning bag is matched with a standby shovel, the standby shovel consists of a shovel plate and a baffle plate, and the baffle plate is positioned at the lower part of the shovel plate. This clearance bag adopts the cardboard, and the cardboard is difficult to fold, therefore, the cardboard needs tiling when the clearance bag packing, occupies great space, and the clearance bag receives the extrusion back, and the cardboard is fold easily even damages, is unfavorable for packing and transportation, and cardboard and bag body coupling need increase the process of production, have increased manufacturing cost, and the clearance bag still need collocation shovel board and baffle, and cleaning efficiency is low.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides a method for preparing a pet feces cleaning bag. The pet excrement cleaning bag solves the technical problems that the pet excrement cleaning bag is inconvenient to use, the cleaning bag does not have the function of absorbing excrement, excrement or liquid in the cleaning bag is easy to pour out, and the environment is polluted.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a method for preparing a pet feces cleaning bag, which comprises the following steps:
(1) Preparing a bag body: the waterproof film and the non-woven fabric are conveyed on a conveying roller, and are compounded to form a base layer through hot pressing;
(2) Compounding of the heat insulation film: the heat-insulating film conveying process comprises the steps of cutting the heat-insulating film into sheets through a first cutting roller, conveying the sheets to a groove of a first rotating pressing roller, spraying glue to the sheet-shaped heat-insulating film through a first glue spraying mechanism, and compositing the sheet-shaped heat-insulating film on a base layer through the first rotating pressing roller;
(3) Preparing a core: the die wheel is fixed on the frame, the driving device drives the die cavity to rotate, the die cavity is rotatably arranged on the outer measuring edge of the die wheel, a first cavity, a second cavity and a third cavity are arranged on the die wheel, the adsorption force of the first cavity is larger than that of the second cavity and that of the third cavity, different negative pressures are respectively provided through the negative pressure device, the first macromolecule blanking mechanism corresponds to the first cavity, the second macromolecule blanking mechanism corresponds to the second cavity, and the third macromolecule blanking mechanism corresponds to the third cavity;
when the die cavity rotates to a first cavity of the die wheel, the first macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a first core layer in the die cavity, when the die cavity rotates to a second cavity of the die wheel, the second macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a second core layer in the die cavity, when the die cavity rotates to a third cavity of the die wheel, the third macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a third core layer in the die cavity to form a core body, and the first core layer height H1 is larger than the heights of the second core layer H2 and the third core layer H3;
the die wheel side edge is positioned at the first cavity and is provided with a first adsorption area, the first adsorption area corresponds to the middle part of the die cavity, the die wheel side edge is positioned at the second cavity and is provided with a second adsorption area, and the die wheel side edge is positioned at the third cavity and is provided with a third adsorption area; the width B1 of the first adsorption zone is smaller than the width B2 of the second adsorption zone and the width B3 of the third adsorption zone; the first core layer is positioned between the second core layer and the third core layer;
the first core layer, the second core layer and the third core layer are formed by mixing SAP and fluff pulp, and the ratio of the SAP of the first core layer is larger than that of the SAP in the second core layer and the third core layer;
(4) The second glue spraying mechanism sprays glue on the base layer, the core body is transferred to the glue spraying position through the transfer wheel to be fixed, the base layer and the core body are compositely fixed through the composite roller, the composite fabric is folded longitudinally through the folding mechanism, the folding is asymmetric, the width of one folded surface is smaller than the width of the other folded surface, the exceeding width is a folding part, the base layer is hot-pressed through the hot pressing roller, and a transverse equidistant hot-pressing area is formed on the base layer;
(5) Forming a cleaning bag: cutting is carried out by a cutter mechanism, and a plurality of sheet-shaped cleaning bags are formed by cutting at the central line of the hot pressing area.
Further:
the weight of the macromolecule fed by the first macromolecule feeding mechanism is smaller than that of the macromolecule fed by the second macromolecule feeding mechanism and the third macromolecule feeding mechanism; the time of the mold cavity passing through the first cavity is T1, the time of the mold cavity passing through the second cavity is T2, the time of the mold cavity passing through the third cavity is T3, T1> T2 and T1> T3, and the arc length of the first cavity is larger than the arc lengths of the second cavity and the third cavity.
After the step (3), the junction of the first core layer and the second core layer and the junction of the first core layer and the third core layer are cut by a cutter to form cutting grooves, and when the base layer is folded, the two cutting grooves are positioned for folding.
1cm≤B1≤3cm,15cm≤B2≤20cm,15cm≤B3≤20cm。
The mixing ratio of SAP and fluff pulp of the first core layer is 8:2, the mixing ratio of SAP and fluff pulp of the second core layer is 6:4, and the mixing ratio of SAP and fluff pulp of the third core layer is 6:4.
The first adsorption zone, the second adsorption zone and the third adsorption zone are respectively provided with a plurality of adsorption holes.
F1, F2, F3 are the adsorption forces of the first adsorption zone, the second adsorption zone, and the third adsorption zone, respectively, and M1, M2, and M3 are the densities of the first core layer, the second core layer, and the third core layer, respectively, where the first core layer: f1 =16kpa, h1=42 mm, m1=396 gsm; and a second core layer: f2 =10kpa, h2=18 mm, m2=238 gsm; third core layer: f3 =8kpa, h3=12 mm, m3=192 gsm.
And (4) sticking double-sided adhesive tape on the turnover part through a double-sided adhesive tape unreeling mechanism.
The core body sequentially passes through the first cavity, the second cavity and the third cavity.
By adopting the technical scheme, the invention has the beneficial effects that:
the bag body can be folded from inside to outside, when the bag body is used, hands are stretched into the bag body, the faeces of the pets are grabbed on the bag body through the bag body, and then the bag body is folded from inside to outside and fixed through double-sided adhesive tape, so that the operation is simple and convenient; the bag body adopts two layers of waterproof films and non-woven fabrics, so that the waterproof and leak-proof bag is waterproof and leak-proof, and the production cost is low; the bag body is provided with a core body, the core body comprises a first core layer, a second core layer and a third core layer, the absorbency of SAP material is good, the diffusivity of fluff pulp is good, the SAP material of the first core layer is relatively high, the absorbency is good, the SAP of the second core layer and the third core layer relative to the first core layer is relatively small, the diffusivity is good, feces firstly pass through the second core layer or the third core layer after being grabbed, and are mainly absorbed through the first core layer after being folded, so that the bag body is favorable for fully absorbing liquid around the feces on the ground, meanwhile, the feces and the liquid can not flow in the bag body after being absorbed by the core body, if the bag body is inclined or inverted, the liquid or the feces can be effectively prevented from flowing out through the bag mouth, the bag body is not easy to give off peculiar smell, and the feces and the liquid in the bag body can not flow out even if the bag body is cut through carelessly; especially when the garbage bin is not arranged outdoors, the bag body cannot be timely discarded; when first sandwich layer, second sandwich layer, third sandwich layer production, through different unloading mechanisms for different sandwich layer forms different structures, and steerable different sandwich layer macromolecular material's ratio, with reaching different absorbing effect, through the different adsorption affinity of different adsorption areas, make the sandwich layer form different high shapes, make the snatch excrement and urine of the bag body, absorb the excrement and urine effectual, the thickness of core makes the hand grasp excrement and urine and do not have nausea through the bag body and the core body. Further, the time for the mold cavity to pass through the first cavity is T1, T1 is more than T2 and T1 is more than T3, and the first core layer formed by the first cavity is higher, so that the time for the mold cavity to pass through the first cavity is slow, and the formation of the first core layer is facilitated; further, the cutting groove is beneficial to folding the core body; furthermore, the first macromolecule blanking mechanism has slower blanking speed, which is beneficial to forming a high and narrow first core layer; further, the first core layer is good in absorptivity and high in density, is favorable for absorbing excrement and liquid, the second core layer and the third core layer are relatively small in density and good in diffusivity, and is favorable for grabbing excrement and diffusing liquid. Further, the core body sequentially passes through the first cavity, the second cavity and the third cavity, so that the first core layer with the highest height is formed first, then the second core body and the third core body with lower heights are formed, a groove is formed between the first core layer and the second core layer, and cutting grooves are formed in a cutting mode.
Drawings
FIG. 1 is a schematic view of the construction of a cleaning bag;
FIG. 2 is a schematic view of the structure of another state of the cleaning bag;
FIG. 3 is a rear view of FIG. 1;
FIG. 4 is a side view of a cleaning bag;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is an enlarged view of A in FIG. 5;
FIG. 7 is an expanded schematic view of the core;
FIG. 8 is a schematic view of the structure of the bag after hot pressing by hot pressing rolls in the bag making process;
FIG. 9 is a schematic view of the structure of the die wheel;
FIG. 10 is a schematic diagram of the structure of the first adsorption zone, the second adsorption zone, and the third adsorption zone;
FIG. 11 is a schematic diagram of the structure of the detection buffer device;
fig. 12 is a schematic diagram of a structure for detecting another state of the buffer device.
Detailed Description
The invention will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 12, the present embodiment provides a method for preparing a pet faeces cleaning bag, comprising the following steps:
(1) Preparing a bag body 1: the waterproof film 11 and the nonwoven fabric 12 are conveyed on a conveying roller, and are compounded by hot pressing to form a base layer;
(2) Compounding of the heat insulation film: the conveying process of the heat insulation film 13 comprises the steps of cutting the heat insulation film into sheets through a first cutting roller, conveying the sheets to a groove of a first rotating pressing roller, spraying glue to the sheet heat insulation film through a first glue spraying mechanism, and compositing the sheet heat insulation film on a base layer through the first rotating pressing roller;
(3) Preparing a core: the die wheel 21 is fixed on the frame, the driving device drives the die cavity 22 to rotate, the die cavity is rotatably arranged on the outer measuring edge of the die wheel, the die wheel is provided with a first cavity 23, a second cavity 24 and a third cavity 25, the adsorption force of the first cavity is larger than that of the second cavity and that of the third cavity, different negative pressures are respectively provided through the negative pressure device, the first polymer blanking mechanism 31 corresponds to the first cavity, the second polymer blanking mechanism 32 corresponds to the second cavity, and the third polymer blanking mechanism 33 corresponds to the third cavity;
when the die cavity rotates to a first cavity of the die wheel, the first macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a first core layer 141 in the die cavity, when the die cavity rotates to a second cavity of the die wheel, the second macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a second core layer 142 in the die cavity, when the die cavity rotates to a third cavity of the die wheel, the third macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a third core layer 143 in the die cavity to form a core 14, and the first core layer height H1 is larger than the heights of the second core layer H2 and the third core layer H3; the junction of the first core layer and the second core layer and the junction of the first core layer and the third core layer are cut by a cutter to form cutting grooves 140, and when the base layer is folded, the two cutting grooves are folded;
the die wheel side edge is positioned at the first cavity and is provided with a first adsorption zone 230 which corresponds to the middle part of the die cavity, the die wheel side edge is positioned at the second cavity and is provided with a second adsorption zone 240, the die wheel side edge is positioned at the third cavity and is provided with a third adsorption zone 250, and the first adsorption zone, the second adsorption zone and the third adsorption zone are respectively provided with a plurality of adsorption holes 20; the width B1 of the first adsorption zone is smaller than the width B2 of the second adsorption zone and the width B3 of the third adsorption zone; the first core layer is positioned between the second core layer and the third core layer;
the weight of the macromolecule fed by the first macromolecule feeding mechanism is smaller than that of the macromolecule fed by the second macromolecule feeding mechanism and the third macromolecule feeding mechanism; the time of the mold cavity passing through the first cavity is T1, the time of the mold cavity passing through the second cavity is T2, the time of the mold cavity passing through the third cavity is T3, T1> T2 and T1> T3, and the arc length of the first cavity is larger than the arc lengths of the second cavity and the third cavity.
The first core layer, the second core layer and the third core layer are formed by mixing SAP and fluff pulp, and the ratio of the SAP of the first core layer is larger than that of the SAP in the second core layer and the third core layer;
(4) The second glue spraying mechanism sprays glue on the base layer, the core body is transferred to the glue spraying position through the transfer wheel to be fixed, the base layer and the core body are compositely fixed through the composite roller, the composite fabric is folded longitudinally through the folding mechanism, the folding is asymmetric, the width of one side of the folding is smaller than that of the other side, the exceeding width is a folding part 15, the base layer is hot-pressed through the hot-pressing roller, and a transverse equidistant hot-pressing area 16 is formed on the base layer; the double-sided tape 17 is stuck on the turnover part through a double-sided tape unreeling mechanism;
(5) Forming a cleaning bag: cutting is carried out by a cutter mechanism, and a plurality of sheet-shaped cleaning bags are formed by cutting at the central line of the hot pressing area.
Wherein H is the height of the core body, F is the adsorption force of the adsorption area, and H= (1/8) F is calculated through repeated experiments 2 + (3/4) F-2, typically, the first core: f1 =16kpa, h1=42 mm; and a second core layer: f2 =10kpa, h2=18 mm; third core layer: f3 =8kpa, h3=12 mm; the density of the core is M, m= (5/12) F 2 ++ (31/2) f+124/3, first core: f1 =16kpa, m1=396gsm, f2=10kpa, m2=238 gsm; third core layer: f3 =8kpa, m3=192 gsm;
after the step (4) is completed, the core passes through a detection buffer device, the detection buffer device is positioned between the hot press roller and the cutter mechanism, the hot press roller and the cutter mechanism are horizontally arranged, the standard speed of the system conveying speed of the core is V0, the actual conveying speed of the core is V1, the detection buffer device comprises a frame, two fixed rollers 41 fixed on the frame, a lifting roller 42 arranged on the frame in a lifting manner, and a displacement detection device 43 arranged on the lifting roller, the lifting roller is connected with two reset springs 44, the two fixed rollers and the lifting roller form an isosceles triangle, wherein the distance between the two fixed rollers is L, the displacement detection device detects the vertical distance A (A is the height of the isosceles triangle) between the lifting roller and the two fixed rollers, the displacement detection device detects once every one time at a certain time t, the waist length standard value set by the system is E0, and the waist length E1 of the isosceles triangle can be obtained by the system through a triangle calculation formula,E1 2 =A 2 +(L/2) 2 When the core body runs, the lifting roller is lifted and buffered, the cutting time of the cutter mechanism system is t0, the actual cutting time of the cutter mechanism is t1, and t1=t0+2 (E1-E0)/V1.
When the absolute value of E1-E0 is less than or equal to 20mm, the system does not adjust the conveying speed of the core body, and when the absolute value of E1-E0 is more than 20mm, the system adjusts the conveying speed of the core body, so that E1 is close to E0, the system is better controlled to be stable, and larger deviation is prevented from occurring.
In the invention, as the hot pressing roller and the cutter mechanism generate acting force on the core body when the core body is hot pressed and cut, the pressing of the hot pressing roller and the cutting time of the cutter mechanism are short, but the local speed of the core body is easy to change, and in order to prevent the core body from being wrinkled or stretched due to the acting force of the hot pressing roller and the cutter mechanism on the core body in the conveying process, the invention is provided with the detection buffer device, so that the tension force of the core body in the conveying process can be well maintained; because the conveying speed of the core body is likely to change locally, the distance difference 2 (E1-E0) of the core body buffered in the detection buffer device is calculated through the detection mechanism, and the time deviation 2 (E1-E0)/V1 is calculated through the system, so that the cutting time of the cutter mechanism is adjusted, the cutter mechanism can accurately cut, the cutter mechanism can cut at the center line of the hot-pressing area, the size of a cleaning bag after production is ensured, and the yield of the cleaning bag is improved.
Wherein, normally, set: 1cm is less than or equal to B1 and less than or equal to 3cm,15cm is less than or equal to B2 and less than or equal to 20cm,15cm is less than or equal to B3 and less than or equal to 20cm, B1=2cm, B2=18cm, B3=18cm, B1, B2 and B3 can also be other numerical values, and the numerical values are specifically set according to the situation.
Typically, the SAP and fluff pulp mixing ratio of the first core layer is 8:2, the SAP and fluff pulp mixing ratio of the second core layer is 6:4, and the SAP and fluff pulp mixing ratio of the third core layer is 6:4, but other ratios may be set, as the case may be.
As shown in fig. 7, four cutting grooves may be provided, and two other cutting grooves are provided at the bottom of the core body, so as to facilitate folding of the core body.
The first polymer blanking mechanism, the second polymer blanking mechanism, the third polymer blanking mechanism, the cutter mechanism, the hot press roller, the negative pressure device, the die wheel, the first glue spraying mechanism and the second glue spraying mechanism are of known structures, and are not described in detail herein.
The heat insulating film and the waterproof film are made of known materials, and are not described in detail herein.
The present invention may employ a PLC or other control system, which is a well-known system and will not be described in detail herein.
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 (9)
1. A preparation method of a pet excrement cleaning bag is characterized by comprising the following steps: the method comprises the following steps:
(1) Preparing a bag body: the waterproof film and the non-woven fabric are conveyed on a conveying roller, and are compounded to form a base layer through hot pressing;
(2) Compounding of the heat insulation film: the heat-insulating film conveying process comprises the steps of cutting the heat-insulating film into sheets through a first cutting roller, conveying the sheets to a groove of a first rotating pressing roller, spraying glue to the sheet-shaped heat-insulating film through a first glue spraying mechanism, and compositing the sheet-shaped heat-insulating film on a base layer through the first rotating pressing roller;
(3) Preparing a core: the die wheel is fixed on the frame, the driving device drives the die cavity to rotate, the die cavity is rotatably arranged on the outer measuring edge of the die wheel, a first cavity, a second cavity and a third cavity are arranged on the die wheel, the adsorption force of the first cavity is larger than that of the second cavity and that of the third cavity, different negative pressures are respectively provided through the negative pressure device, the first macromolecule blanking mechanism corresponds to the first cavity, the second macromolecule blanking mechanism corresponds to the second cavity, and the third macromolecule blanking mechanism corresponds to the third cavity;
when the die cavity rotates to a first cavity of the die wheel, the first macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a first core layer in the die cavity, when the die cavity rotates to a second cavity of the die wheel, the second macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a second core layer in the die cavity, when the die cavity rotates to a third cavity of the die wheel, the third macromolecule blanking mechanism drops macromolecule materials into the die cavity of the die wheel to form a third core layer in the die cavity to form a core body, and the first core layer height H1 is larger than the heights of the second core layer H2 and the third core layer H3;
the die wheel side edge is positioned at the first cavity and is provided with a first adsorption area, the first adsorption area corresponds to the middle part of the die cavity, the die wheel side edge is positioned at the second cavity and is provided with a second adsorption area, and the die wheel side edge is positioned at the third cavity and is provided with a third adsorption area; the width B1 of the first adsorption zone is smaller than the width B2 of the second adsorption zone and the width B3 of the third adsorption zone; the first core layer is positioned between the second core layer and the third core layer;
the first core layer, the second core layer and the third core layer are formed by mixing SAP and fluff pulp, and the ratio of the SAP of the first core layer is larger than that of the SAP in the second core layer and the third core layer;
(4) The second glue spraying mechanism sprays glue on the base layer, the core body is transferred to the glue spraying position through the transfer wheel to be fixed, the base layer and the core body are compositely fixed through the composite roller, the composite fabric is folded longitudinally through the folding mechanism, the folding is asymmetric, the width of one folded surface is smaller than the width of the other folded surface, the exceeding width is a folding part, the base layer is hot-pressed through the hot pressing roller, and a transverse equidistant hot-pressing area is formed on the base layer;
(5) Forming a cleaning bag: cutting is carried out by a cutter mechanism, and a plurality of sheet-shaped cleaning bags are formed by cutting at the central line of the hot pressing area.
2. The method for preparing the pet feces cleaning bag according to claim 1, wherein: the weight of the macromolecule fed by the first macromolecule feeding mechanism is smaller than that of the macromolecule fed by the second macromolecule feeding mechanism and the third macromolecule feeding mechanism; the time of the mold cavity passing through the first cavity is T1, the time of the mold cavity passing through the second cavity is T2, the time of the mold cavity passing through the third cavity is T3, T1> T2 and T1> T3, and the arc length of the first cavity is larger than the arc lengths of the second cavity and the third cavity.
3. The method for preparing the pet feces cleaning bag according to claim 1, wherein: after the step (3), the junction of the first core layer and the second core layer and the junction of the first core layer and the third core layer are cut by a cutter to form cutting grooves, and when the base layer is folded, the two cutting grooves are positioned for folding.
4. The method for preparing the pet feces cleaning bag according to claim 1, wherein: b1 is less than or equal to 1cm and less than or equal to 3cm, B2 is less than or equal to 15cm and less than or equal to 20cm, and B3 is less than or equal to 15cm and less than or equal to 20cm.
5. The method for preparing the pet feces cleaning bag according to claim 1, wherein: the mixing ratio of SAP and fluff pulp of the first core layer is 8:2, the mixing ratio of SAP and fluff pulp of the second core layer is 6:4, and the mixing ratio of SAP and fluff pulp of the third core layer is 6:4.
6. The method for preparing the pet feces cleaning bag according to claim 1, wherein: the first adsorption zone, the second adsorption zone and the third adsorption zone are respectively provided with a plurality of adsorption holes.
7. The method for preparing the pet feces cleaning bag according to claim 1, wherein: f1, F2, F3 are the adsorption forces of the first adsorption zone, the second adsorption zone, and the third adsorption zone, respectively, and M1, M2, and M3 are the densities of the first core layer, the second core layer, and the third core layer, respectively, where the first core layer: f1 =16 kpa, h1=42 mm, m1=396 gsm; and a second core layer: f2 =10kpa, h2=18 mm, m2=238 gsm; third core layer: f3 =8kpa, h3=12 mm, m3=192 gsm.
8. The method for preparing the pet feces cleaning bag according to claim 1, wherein: and (4) sticking double-sided adhesive tape on the turnover part through a double-sided adhesive tape unreeling mechanism.
9. The method for preparing the pet feces cleaning bag according to claim 1, wherein: the core body sequentially passes through the first cavity, the second cavity and the third cavity.
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JP2004203479A (en) * | 2002-12-24 | 2004-07-22 | Tanaka Tatsuhito | Pet animal's fecal matter disposal bag |
JP2015198599A (en) * | 2014-04-07 | 2015-11-12 | 第一衛材株式会社 | Liquid absorbing sheet and apparatus for manufacturing the same |
CN112545765A (en) * | 2020-12-25 | 2021-03-26 | 广东茵茵股份有限公司 | Preparation method of composite core |
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US20040254555A1 (en) * | 2003-06-10 | 2004-12-16 | Wang James Hongxue | Absorbent articles having a heterogeneous absorbent core for fecal fluid and urine containment |
JP6058194B1 (en) * | 2016-07-07 | 2017-01-11 | 株式会社ミューパック・オザキ | Packaging bag and packaging bag manufacturing method |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2004203479A (en) * | 2002-12-24 | 2004-07-22 | Tanaka Tatsuhito | Pet animal's fecal matter disposal bag |
JP2015198599A (en) * | 2014-04-07 | 2015-11-12 | 第一衛材株式会社 | Liquid absorbing sheet and apparatus for manufacturing the same |
CN112545765A (en) * | 2020-12-25 | 2021-03-26 | 广东茵茵股份有限公司 | Preparation method of composite core |
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