CN115872346A

CN115872346A - Down-like filler and production line thereof

Info

Publication number: CN115872346A
Application number: CN202211515335.8A
Authority: CN
Inventors: 李来斌; 许路路
Original assignee: Shanghai Mercury E Commerce Co ltd; Shanghai Shuixing Home Textile Co Ltd
Current assignee: Shanghai Mercury E Commerce Co ltd; Shanghai Shuixing Home Textile Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-31

Abstract

A down-like filler and a production line thereof relate to the field of home textiles. The eiderdown-like filler is formed by mixing flake-shaped snowflake eiderdown diaphragms and spherical fiber balls, wherein the mass percentage of the snowflake eiderdown diaphragms is 50-70%. The production line of the down-like filler comprises a shredder, a cotton ball machine and a mixer, wherein a discharge hole of the shredder is connected with a feed inlet of the mixer; the discharge port of the cotton ball machine is connected with the other feed port of the mixer; adding a plastic film to a feed port of the shredder, and shredding the plastic film into a snowflake velvet membrane under the action of the shredder; adding cotton fibers into a feed inlet of a cotton ball machine, and forming the cotton fibers into fiber balls under the action of a cotton ball machine; and (4) allowing the snowflake velvet membrane and the fiber balls to enter a mixer for mixing. The pillow or quilt filled with the down-like filler has good rebound resilience and is washable.

Description

Down-like filler and production line thereof

Technical Field

The invention relates to the field of home textiles, in particular to a fluffy filler.

Background

The down feather has higher filling power, and the pillow and the quilt filled with the down feather have good resilience, are popular with consumers, but are not resistant to washing. Therefore, a new filler which can replace the down feather needs to be found.

Disclosure of Invention

The present invention aims to provide a down-like filling to solve the above technical problems.

The invention also aims to provide a down-like filler production line for producing down-like fillers.

The technical problem solved by the invention can be realized by adopting the following technical scheme:

the down-like filler is characterized by being formed by mixing flaky snowflake velvet membranes and spherical fiber balls, wherein the mass percent of the snowflake velvet membranes is 50-70%.

The production line of the down-like filler is characterized by comprising a shredder, a cotton ball machine and a mixer, wherein a discharge hole of the shredder is connected with a feed inlet of the mixer;

the discharge port of the cotton ball machine is connected with the other feed inlet of the mixing machine.

And adding a plastic film to a feeding hole of the shredder, and shredding the plastic film into a snowflake velvet membrane under the action of the shredder. Adding cotton fibers into a feed inlet of a cotton ball machine, and forming the cotton fibers into fiber balls under the action of a cotton ball machine. The snowflake velvet membrane and the fiber balls enter a mixer to be mixed. The main function of the fiber ball is to take advantage of its bulkiness.

Has the advantages that: the pillow or quilt filled with the down-like filler has good rebound resilience and is washable. In addition, the invention also has the characteristic of hyposensitization (safety, can be used by children), and the product is better for the eiderdown allergic constitution.

Drawings

FIG. 1 is a partial schematic view of a knife roll;

FIG. 2 is a schematic view of a portion of the screen;

FIG. 3 is a schematic view of a portion of the shredder.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific drawings.

Referring to fig. 1, 2 and 3, a down-like filler is formed by mixing flake-shaped snowflake velvet membranes and spherical fiber balls. The diameter of the fiber balls is preferably 5mm to 15mm. The fiber balls are preferably pearl cotton fiber balls. Preferably, the snowflake velvet membrane is a polyethylene membrane or a polyolefin membrane. Polyethylene film sheets are generally elastic and are therefore generally used with fibrous balls (fluff), polyolefin elastomers rebound well, generally 100% filled, and have essentially 98% and 99% recovery after washing.

The invention fills the pillow according to the component ratio, and then tests the cleanliness and resilience performance after water washing of the filled pillow, and the test results are as follows:

wherein, the cleanliness (3 days) means that after 3 days of use in the same environment, the water washing is carried out on the 4 th day, and the cleanliness is given according to the cleanliness of the water after the water washing, and the cleaner score is higher. The cleanliness (30 days) means that after 30 days of use in the same environment, the water washing is performed on the 31 st day, and the cleanliness score is given according to the cleanliness of water after the water washing, and the cleaner score is higher.

Wherein, the rebound resilience (washing for 3 times) refers to the percentage obtained by comparing the rebound height of the washed pillow with the height of the original pillow after repeated washing for 3 times. The rebound resilience (washed by water for 20 times) refers to the percentage obtained by comparing the rebound height of the washed pillow with the height of the original pillow after being washed by water repeatedly for 20 times.

According to the above test results, the mass percentage of the snowflake film of the present invention is preferably 50% to 70%. More preferably 70%.

The production line of the down-like filler comprises a shredder, a cotton ball machine and a mixer, wherein a discharge hole of the shredder is connected with a feed inlet of the mixer; the discharge port of the cotton ball machine is connected with the other feed port of the mixer. And adding a plastic film to a feeding hole of the shredder, and shredding the plastic film into a snowflake velvet membrane under the action of the shredder. Adding cotton fiber into the feed inlet of the cotton ball machine, and forming the cotton fiber into fiber balls under the action of a cotton ball machine. The snowflake velvet membrane and the fiber balls enter a mixer to be mixed.

In connection with shredders

A rotating shaft is arranged in the shredder, a knife roll 9 is arranged on the rotating shaft, and the knife roll 9 comprises a rotating roll and a cutter. At least two groups of spiral clamping groove groups are arranged on the rotating roller, and the clamping grooves 1 in the same clamping groove group are distributed in an equidistant staggered mode. The opening of the clamping groove 1 faces outwards, a baffle plate 2 is arranged in the clamping groove 1, a rotating shaft 3 is fixed on the baffle plate 2, a rotating shaft hole is formed in the center of the cutter 4, and the cutter 4 is inserted in the rotating shaft. The cutter 4 is in a square block shape, one edge of the cutter faces upwards and extends out of the clamping groove, and the edge serves as a cutting edge. The other edge of the cutter faces downwards and is clamped in the clamping groove. A gap exists between the outer side wall of the cutter and the inner side wall of the clamping groove, so that the cutter can swing around the rotating shaft. The edge of the cutter which is positioned outside the clamping groove and faces upwards is used as a cutting edge. Preferably, the inner side wall of the clamping groove is composed of a left side wall located on the left side and a right side wall located on the right side, and the boundary line of the left side wall and the right side wall forms the bottom of the clamping groove. The central line axis of the rotating shaft and the central line axis of the rotating roller form an included angle of 85-89 degrees. The bottom of the slot and the centerline axis of the shaft are preferably parallel. The structure ensures that the cutting edge of the cutter forms an included angle with the central axis of the rotating shaft. The cutting edges of the existing cutters are vertical to the axis of the central line of the rotary roller, and the included angle is formed between the cutting edges of the cutters and the vertical plane of the axis of the central line of the rotary roller, so that the thin film can be pierced more easily, the shredding directions of the thin film are richer, and the thin film is wound to a certain extent in the shredding process. The orientation of the card slots in two adjacent card slot groups can be different. That is, the card slots in one card slot group are inclined towards the left relative to the central line axis of the rotating roller, and the card slots in the adjacent card slot group are inclined towards the right relative to the central line axis of the rotating shaft. Therefore, the directions of the cutters in the two groups of clamping grooves are different, so that the shredding directions are further enriched, and the winding degree is improved. Preferably, the front end surface of the cutter is formed into a curved surface shape recessed inward. Thereby leading four corners at the front end of the cutter to tilt outwards, and facilitating the cutter to puncture the film by utilizing the corners. The rear end surface of the cutter is in a curved surface shape protruding outwards. Thereby reducing the contact area with the baffle and further reducing the swing resistance of the cutter. Particularly preferably, the curved surface that the preceding terminal surface of cutter appears matches with the curved surface that the rear end face of cutter appears to when conveniently piling up the pile up neatly, allow to stack on the same pivot. The knife roll shreds the plastic film into sheets.

A screen 8 is also arranged in the shredder, and the screen 8 at least covers the discharge hole of the shredder. The plastic film can be wound by the screen to form a cylinder shape, and the screen is provided with a notch at the position right facing the feed inlet of the shredder, so that the plastic film can pass through the notch to reach the knife roll after being put into the shredder from the feed inlet. The screen is provided with meshes which can be round holes, Z-shaped, fishbone-shaped, and the like, and preferably fishbone-shaped. The fishbone-shaped mesh consists of two elongated and mirror-symmetrical sub-holes 7. The two sub-holes 7 form an included angle, and the included angle is preferably 20-80 degrees. The joint of the two sub-holes is provided with a connecting rib 6, and the end surface of the connecting rib 6 close to the knife roll is provided with a spine 5. The mesh can effectively limit the size of the material discharged from the discharge port of the shredder, thereby ensuring the performance of the finally obtained feather-like filler. The aperture of the mesh is preferably 20mm to 40mm. For the strip-shaped mesh, the aperture here means that the minimum distance between two opposite sides is not less than 20mm, and the maximum distance is not more than 40mm. The sharp pricks on the connecting ribs are used for puncturing the snowflake velvet membrane. The fishbone-shaped mesh openings are preferably oriented in the opposite direction to the direction of rotation of the knife roller, so that the flow of the velveteen membrane is disturbed. The thickness of the screen at the connecting rib is smaller than that of the screen at other positions, the tops of the spikes are exposed outside the meshes, the spikes preferably form an included angle with the section of the screen at the positions of the spikes, and further preferably, the direction of the spikes is opposite to the rotating direction of the knife roll, so that the spikes can be more easily penetrated into the snowflake film. In the production process, the knife roller rotates, on one hand, the plastic film is torn into the snowflake velvet membrane, on the other hand, the snowflake velvet membrane is centrifugally thrown onto the screen, and the snowflake velvet membrane which meets the size passes through the screen and rolls out from a discharge hole of the shredder.

Preferably, the shredder feed opening is in the side wall of the shredder and the shredder discharge opening 10 is in the bottom of the shredder. An air inlet can be formed in the bottom of the shredder and is connected with an air blower through a pipeline. The air inlet and the discharge port are positioned at the same side of the screen. The air-blower intermittent type nature is opened, and when the air-blower was opened, can blow up the film piece that colludes on the screen cloth, makes this part film piece can the secondary cross the screen cloth, or cross the rotor once more to when avoiding screen cloth jam, make the shredding angle of film piece abundanter. The air inlet department is equipped with apron 11, and one side of apron 11 is connected to the bottom of shredder through the pivot, and the area of apron is greater than the area of air inlet. Thereby when the air-blower was closed, the apron received the dual function of the impact of the gravity of self and film piece, and the lock compresses tightly on the air intake to close the air intake, avoid the film piece to enter into in the air intake. When the air blower is opened, the cover plate receives the action force of wind blown by the air blower and turns upwards, so that the air inlet is opened, and the cover plate plays a role in guiding the wind at the moment. Preferably, the rotating shaft is positioned at the front side of the cover plate, and the cover plate is positioned in front of the discharge hole. The forward direction here means the forward direction of the rotation direction of the cutter roller.

The inner chamber of the shredder is preferably cylindrical. The diameter of the inner cavity is preferably 500mm-600mm, and the diameter of the knife roller is preferably 400mm.

Cotton ball machine

The cotton ball machine preferably adopts a multi-roller ball forming principle, and the roller preferably rotates at a constant speed in production, wherein the rotating speed is 700-900 r/min. The size of the cotton fiber added to the feed inlet of the cotton ball machine is 7D-15D, preferably 7D, and the length is 32mm-64mm, preferably 64mm. The size of the ball particles can be adjusted by controlling the balling time of the cotton ball machine, and the size of the fiber ball is preferably 5mm-15mm.

About mixing machines

A mixing cavity is arranged in the mixer, and the bottom of the mixing cavity is arc-shaped, so that the materials can roll in the mixing cavity conveniently. Scheme 1, it has first feed inlet, second feed inlet to open on the lateral wall of hybrid chamber, and first feed inlet is used for adding the snowflake matte diaphragm, and the second feed inlet is used for adding the fibre ball, and first feed inlet and second feed inlet are just right to make snowflake matte diaphragm and fibre ball convection current. And in the scheme 2, a third feeding port is formed in the top of the mixing cavity and is used for adding the snowflake velvet membrane and the fiber balls. Thereby utilizing the gravity of the snowflake velvet membrane and the fiber balls to improve the mixing degree of the snowflake velvet membrane and the fiber balls. Scheme 3, on the basis of scheme 2, the bottom of mixing chamber still opens has the air intake to utilize the wind that the air intake was insufflated to increase the mixed degree of snowflake velvet diaphragm and fibre ball. The air blown into the mixing cavity is preferably hot air, so that the surfaces of the snowflake velvet membrane and the fiber balls are softened by the hot air, the friction strength between the snowflake membrane and the fiber balls is increased, and the mixing uniformity is improved. The side wall of the mixing cavity is provided with a discharge port, and the discharge port is connected with a filling machine through a pipeline.

The down-like filler production line further comprises a blow molding machine, wherein a discharge port of the blow molding machine is connected with a feed port of the shredder, and the blow molding machine is further preferably connected through a conveying belt. Plastic films can be produced by adding plastic particles to a blow-molding machine. The distance between the conveying belt and the equipment can be enlarged, so that the plastic film can be cooled, and the plastic film is prevented from being adhered to the knife roller. Can be equipped with the liquid nitrogen nozzle in the junction of conveyer belt and shredder, the liquid nitrogen nozzle is towards the shredder to utilize the liquid nitrogen further to reduce plastic film's temperature, make plastic film become fragile, thereby be more easily by the shredding and garrulous more even, garrulous direction abundanter. In order to reduce the cost, low-temperature air can be used for replacing liquid nitrogen, and a cooling sheet can be arranged on the conveying belt to cool the plastic film.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The down-like filler is characterized by being formed by mixing flaky snowflake velvet membranes and spherical fiber balls, wherein the mass percent of the snowflake velvet membranes is 50-70%.

2. A down-like filling according to claim 1, wherein the diameter of the fibre balls is between 5mm and 15mm.

3. The down-like filling as claimed in claim 1, wherein the fiber balls are made of pearl wool.

4. A down-like filling according to claim 1, wherein the snowflake film is a polyethylene film or a polyolefin film.

5. The production line of the down-like filler is characterized by comprising a shredder, a cotton ball machine and a mixer, wherein a discharge hole of the shredder is connected with a feed inlet of the mixer;

the discharge hole of the cotton ball machine is connected with the other feed inlet of the mixer;

adding a plastic film to a feed port of the shredder, and shredding the plastic film into a snowflake velvet membrane under the action of the shredder; adding cotton fibers into a feed inlet of a cotton ball machine, and forming the cotton fibers into fiber balls under the action of a cotton ball machine; and (4) allowing the snowflake velvet membrane and the fiber balls to enter a mixer for mixing.

6. The down feather like filler production line as claimed in claim 5, wherein a rotating shaft is provided in the shredder, a knife roller is provided on the rotating shaft, the knife roller comprises a rotating roller and a knife, at least two sets of spiral clamping grooves are provided on the rotating roller, the clamping grooves in the same clamping groove set are arranged in an equidistant staggered manner, the openings of the clamping grooves face outwards, a baffle is provided in the clamping groove, a rotating shaft is fixed on the baffle, a rotating shaft hole is provided at the center of the knife, and the knife is inserted in the rotating shaft.

7. The down-like filler production line as claimed in claim 6, wherein the cutter is in the shape of a square block, one side of the cutter faces upward and extends out of the slot, the one side serves as a cutting edge, the other side of the cutter faces downward and is clamped in the slot, and a gap is formed between the outer side wall of the cutter and the inner side wall of the slot, so that the cutter can swing around the rotating shaft.

8. The down-like filling production line of claim 5, wherein a screen is further arranged in the shredder and covers at least the discharge port of the shredder.

9. The down-like filler production line according to claim 5, wherein a mixing chamber is arranged in the mixer, and the bottom of the mixing chamber is arc-shaped.

10. The down-like filler production line of claim 5, further comprising a blow molding machine, wherein a discharge port of the blow molding machine is connected with a feed port of the shredder.