CN116986370B - Polyurethane material winding and packaging mechanism - Google Patents
Polyurethane material winding and packaging mechanism Download PDFInfo
- Publication number
- CN116986370B CN116986370B CN202311221580.2A CN202311221580A CN116986370B CN 116986370 B CN116986370 B CN 116986370B CN 202311221580 A CN202311221580 A CN 202311221580A CN 116986370 B CN116986370 B CN 116986370B
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- China
- Prior art keywords
- electromagnet
- rod
- block
- polyurethane film
- smoothing
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- 238000004804 winding Methods 0.000 title claims abstract description 60
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 19
- 239000004814 polyurethane Substances 0.000 title claims abstract description 19
- 229920006264 polyurethane film Polymers 0.000 claims abstract description 88
- 238000009499 grossing Methods 0.000 claims abstract description 69
- 238000003825 pressing Methods 0.000 claims description 43
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/04—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for folding or winding articles, e.g. gloves or stockings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
The application belongs to the technical field of polyurethane material packaging, and particularly relates to a polyurethane material winding and packaging mechanism; comprising the following steps: a winding table, on which a winding shaft is provided, the winding shaft being capable of winding the polyurethane film; further comprises: a stationary smoothing unit; according to the application, the fixing and smoothing unit is arranged on one side of the winding table, so that the fixing and smoothing unit can squeeze and limit the two sides of the polyurethane film when the polyurethane film is wound, and the polyurethane film is not easy to generate wrinkles in the width direction when the polyurethane film is wound; when the polyurethane film is wrinkled, the polyurethane film can be smoothed; the production quality is improved.
Description
Technical Field
The application belongs to the technical field of polyurethane material packaging, and particularly relates to a polyurethane material winding and packaging mechanism.
Background
The polyurethane film is a film made of polyurethane materials, and is widely applied to the fields of packaging, electronic products, medical appliances, automobile parts, building materials and the like due to the excellent performance characteristics of the polyurethane film;
in producing the polyurethane film, the polyurethane film needs to be wound;
when the polyurethane film is wound, factors such as tension, speed, temperature and the like in the winding process can influence the flatness of the film, namely the polyurethane film is possibly wrinkled and uneven during winding, so that the polyurethane film is wrinkled in the width direction, and the width is reduced; especially for long-distance conveying winding, the phenomenon is more easy to occur, and the production quality of the polyurethane film is further affected.
In view of the above, the present application solves the above-mentioned problems by providing a polyurethane material winding and packaging mechanism.
Disclosure of Invention
In order to make up for the deficiency of the prior art, when winding the polyurethane film, the generation of wrinkles during winding is reduced; the application provides a polyurethane material winding and packaging mechanism.
The technical scheme adopted for solving the technical problems is as follows: a polyurethane material winding and packaging mechanism comprising: a winding table, on which a winding shaft is provided, the winding shaft being capable of winding the polyurethane film; the polyurethane material winding and packaging mechanism further comprises: the fixing and smoothing unit is arranged on one side of the winding table and can squeeze and limit two sides of the polyurethane film when the polyurethane film is wound, so that the polyurethane film is not easy to wrinkle in the width direction when the polyurethane film is wound; when the polyurethane film is wrinkled, the polyurethane film can be smoothed; the production quality is improved;
in the application, a winding shaft is arranged on the winding table, the winding shaft can wind the polyurethane film, and the winding shaft can be driven by a motor.
Preferably, the fixing and smoothing unit includes: the fixed beams are fixedly arranged at two ends of one side of the winding table; the leveling shafts are rotationally connected between the two fixed beams, four leveling shafts are arranged at the front end and the rear end of the two fixed beams in a group, and each group of leveling shafts are arranged adjacently up and down; a plurality of smoothing grooves are uniformly formed in the periphery of the shaft body of each smoothing shaft, a first block is fixedly arranged at two ends of each smoothing groove, two first electromagnets are connected in each smoothing groove in a sliding manner, and a first spring is fixedly arranged between each first electromagnet and each first block which is close to each first electromagnet; a plurality of groups of first rods are arranged on one side, close to each other, of each fixed beam, and each group of first rods is two and is distributed up and down; one end of each first rod is provided with a compression wheel.
Preferably, two triangular blocks are fixedly arranged in each smoothing groove.
Preferably, a rubber pad is fixedly arranged at one end of each first electromagnet.
Preferably, each pressing wheel is made of conductive materials, wherein the connection of a group of upper pressing wheels and lower pressing wheels is used as a starting signal of all the first electromagnets;
the head and the tail of the fixed beam are respectively and rotatably connected with two smoothing shafts, and the two smoothing shafts at the head or the tail are vertically distributed to enable the polyurethane film to pass through the smoothing shafts, and the smoothing shafts can be driven by a motor or not to provide power; the first block is made of a material which can be adsorbed by a magnet, such as iron; two first electromagnets are arranged in the same smoothing groove, when the first electromagnets are electrified and repel each other, when the first springs are in the original positions, the two first electromagnets are positioned at the central part of the smoothing groove, when the two first electromagnets are electrified, the two first electromagnets move towards the two ends of the smoothing shaft respectively, and the first springs shrink to smooth the film from the middle to the two sides; notably, limiting devices can be arranged at the opening of the smoothing groove and at the end part of the first electromagnet, so that the first electromagnet always slides in the smoothing groove and cannot be separated from the smoothing groove; the plurality of groups of first rods are distributed along the fixed beams, each group of first rods is two and vertically distributed, each first rod is provided with a pressing wheel, namely, the pressing wheels are also distributed up and down in pairs, when the polyurethane film is transported between the two fixed beams, two sides of the polyurethane film are positioned between each group of pressing wheels, the plurality of groups of pressing wheels are used for carrying out different-point extrusion limiting on two sides of the polyurethane film, similar fixing effect is achieved, the wrinkling of the polyurethane film in the width direction is reduced, particularly the pressing wheels can be driven to rotate under the friction effect of the polyurethane film, namely, the polyurethane film can be driven to rotate by the pressing wheels, the pressing wheels do not influence the transportation of the polyurethane film, and when the polyurethane film is required to wrinkle, namely, when the polyurethane film has a movement trend in the width direction, the action of fixing and limiting is achieved due to the friction of wheel faces, and the wrinkling phenomenon is further reduced; each smoothing groove is internally and fixedly provided with two triangular blocks, the height of the triangular blocks close to the two ends of the smoothing groove is higher than that of the triangular blocks close to the center of the smoothing groove, and the first electromagnet can be extruded by the triangular blocks when moving towards the two ends of the smoothing groove and slowly stretches out of the smoothing groove, so that the extrusion of a polyurethane film is gradually enhanced, further the smoothing force is gradually increased, and the smoothing effect is easier to achieve under the condition of reducing damage to the polyurethane film; the rubber pad plays a role in protecting the polyurethane film, and the polyurethane film is reduced from being damaged due to extrusion of the first electromagnet; during normal transportation, because the polyurethane film blocks, the upper and lower pinch rollers are not connected with electricity, when the upper and lower pinch rollers at a certain position are connected with electricity, the polyurethane film at a certain position is separated from the position between the corresponding upper and lower pinch rollers, namely, wrinkles are generated, at the moment, the first electromagnet is started and starts to smooth, and the first electromagnet can be closed through time delay.
Preferably, a first plate is arranged on one side of each of the two fixing beams, all the first rods are fixedly arranged on the first plate on the corresponding side, a plurality of T-shaped rods are fixedly arranged on one side, away from each other, of each first plate, each T-shaped rod is in sliding connection with the fixing beam on the corresponding side, driving wheels are arranged at the positions, corresponding to each T-shaped rod, inside the fixing beam, of each fixing beam, and each driving wheel is in contact with the corresponding side surface of the T-shaped rod;
the drive wheel can be driven by the band-type brake motor, namely, the drive wheel can rotate only when needed, is fixed under normal conditions, starts the drive wheel, drives the T-shaped rod to draw, and then changes the distance of a rod on two sides of the fixed beam, changes the distance between corresponding compression wheels, and then enables the compression wheels to adapt to polyurethane films with different widths.
Preferably, each first rod consists of a first mother rod and a first son rod, the first son rods are nested in the first mother rod, one end of each first son rod exposed out of the first mother rod is fixedly provided with a wheel cover, and one end of each first son rod positioned in the first mother rod is fixedly provided with a second block; a second electromagnet is fixedly arranged at one end, close to the wheel cover, inside the first female rod, and a second spring is fixedly connected between the second electromagnet and the second block; one side fixed mounting inside the wheel casing has a horn, a horn inside and keep away from wheel casing open-ended one end fixed mounting have No. three electro-magnet, a horn inside and be close to wheel casing open-ended position sliding connection have No. three pieces, no. three the spring has been linked firmly between No. three pieces and the No. three electro-magnet, no. three the opposite side of piece has linked firmly L shape pole, L shape pole runs through a horn and exposes a horn outside, the other end and the pinch roller of L shape pole are rotated and are connected, the pinch roller can follow the opening part of wheel casing and stretch out.
Preferably, the connection of one group of upper and lower pressing wheels is used as a starting signal of the third electromagnet; a first pressure sensor is fixedly arranged on the inner wall of the first cylinder close to the third electromagnet, the first pressure sensor is used as a starting signal of the second electromagnet when sensing a pressure signal, and the first pressure sensor is used as a closing signal of the second electromagnet when not sensing the pressure signal; a second pressure sensor is fixedly arranged on the inner wall of the first female rod close to the second electromagnet, and the second pressure sensor is used as a closing signal of the third electromagnet when sensing a signal;
the vertical section of the wheel cover is shaped like a door, and the second block and the third block are made of materials which can be adsorbed by a magnet, such as iron; when the second spring is in the original position, the first son rod is retracted into the first mother rod, and when the third spring is in the original position, the pressing wheel extends out of the wheel cover to have an extrusion effect on the polyurethane film;
when one group of upper and lower compression wheels is connected, the film is separated from the space between the compression wheels, which means that wrinkles are generated at the space, and the third electromagnet is started; when the third electromagnet adsorbs the third block, the third spring contracts, the pinch roller retracts to the wheel cover, the third block is adsorbed to the limit position by the third electromagnet, at the moment, the third block is contacted with the first pressure sensor and senses a pressure signal, at the moment, the second electromagnet is started to adsorb the second block, so that the first rod is generally elongated, the second spring contracts, when the first rod is elongated to the maximum extent, the second block is contacted with the second pressure sensor and senses the pressure signal, at the moment, the third electromagnet is closed, the third block is far away from the third spring under the action of the third spring until the third spring is reset, the pinch roller stretches out again to squeeze the film, at the moment, the third block is not contacted with the first pressure sensor, namely the second electromagnet is closed, and the first rod is shortened under the action of the second spring; the above process can be summarized as: when wrinkles are generated, the compression wheel firstly loses the compression trend on the film, then the first rod stretches to the maximum extent, the compression wheel can move to the upper side and the lower side of the film again, the compression wheel is matched with each other to compress the film, and finally the first rod shortens again, the set of actions enable the compression wheel to generate the effect of flattening the two sides of the film, namely the first rod is matched with the compression wheel to smooth the film to the two sides, and the wrinkles are further reduced; it is noted that the first pressure sensor has a certain length, and the first rod is not shortened when the pinch roller is just ready to pinch.
The beneficial effects of the application are as follows:
1. according to the polyurethane material winding and packaging mechanism, the fixing and smoothing unit is arranged on one side of the winding table, so that extrusion limiting can be carried out on two sides of the polyurethane film when the polyurethane film is wound, and wrinkles are not easy to generate in the width direction when the polyurethane film is wound; when the polyurethane film is wrinkled, the polyurethane film can be smoothed; the production quality is improved.
2. According to the polyurethane material winding and packaging mechanism, when winding starts, two sides of a polyurethane film are positioned between each group of pressing wheels and between the front and rear groups of smoothing shafts, and the pressing wheels play roles in fixing and pressing; when a film at a certain position is wrinkled, the corresponding pinch roller is connected with electricity, the pinch roller further plays a role in detection, and the first electromagnet is started to smooth the film from the middle to two sides.
Drawings
The application is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present application;
FIG. 2 is a top view of the present application;
FIG. 3 is a cross-sectional view of the pacifier shaft of the present application;
FIG. 4 is an enlarged view of a portion at A of FIG. 3;
FIG. 5 is a partial enlarged view at B of FIG. 3;
FIG. 6 is a schematic illustration of the connection of the T-bar to the fixed beam of the present application;
FIG. 7 is a perspective view of the stationary smoothing unit of the present application;
FIG. 8 is a perspective view of a fixture smoothing unit of the present application;
FIG. 9 is a side view of the stationary smoothing unit of the present application;
FIG. 10 is a cross-sectional view of the lever number one and wheel cover of the present application;
FIG. 11 is a partial enlarged view at C of FIG. 10;
in the figure: 1. a winding station; 11. a winding shaft; 2. a stationary smoothing unit; 21. a fixed beam; 22. smoothing the shaft; 221. smoothing grooves; 222. a first block; 223. a first electromagnet; 224. a first spring; 23. a first rod; 231. a first female rod; 232. a number pole; 24. a pinch roller; 3. triangular blocks; 4. a rubber pad; 5. a first plate; 51. a T-bar; 52. a driving wheel; 6. a wheel cover; 61. a first horn; 611. a third electromagnet; 612. third block; 613. a third spring; 62. an L-shaped rod; 63. a first pressure sensor; 64. a second pressure sensor; 7. a second block; 71. a second electromagnet; 72. and a second spring.
Detailed Description
The application is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the application easy to understand.
As shown in fig. 1 and 2, a polyurethane material winding and packaging mechanism according to the present application includes: a winding table 1, a winding shaft 11 is provided on the winding table 1, and the winding shaft 11 can wind the polyurethane film; the polyurethane material winding and packaging mechanism further comprises: the fixing and smoothing unit 2 is arranged on one side of the winding table 1, the fixing and smoothing unit 2 can squeeze and limit two sides of the polyurethane film when the polyurethane film is wound, and can smooth the polyurethane film when the polyurethane film is wrinkled;
when the polyurethane film is wound during working, factors such as tension, speed and temperature in the winding process can influence the flatness of the film, namely the polyurethane film is possibly wrinkled and uneven during winding, so that the polyurethane film is wrinkled in the width direction, and the width is reduced; especially for long-distance conveying and winding, the phenomenon is more easy to occur, and the production quality of the polyurethane film is further affected; the fixing and smoothing unit 2 is arranged on one side of the winding table 1, and the fixing and smoothing unit 2 can squeeze and limit two sides of the polyurethane film when the polyurethane film is wound, so that the polyurethane film is not easy to generate wrinkles in the width direction when the polyurethane film is wound; when the polyurethane film is wrinkled, the polyurethane film can be smoothed; the production quality is improved;
in the present application, a winding shaft 11 is provided on a winding table 1, the winding shaft 11 is capable of winding a urethane film, and the winding shaft 11 is driven by a motor.
As a specific embodiment of the present application, as shown in fig. 1, 2, 3, 4, and 5; the stationary smoothing unit 2 includes: a fixed beam 21, wherein the fixed beam 21 is fixedly arranged at two ends of one side of the winding table 1; the leveling shafts 22 are rotatably connected between the two fixed beams 21, the leveling shafts 22 are respectively arranged at the front end and the rear end of the two fixed beams 21 in a group of four and two-by-two way, and each group of leveling shafts 22 are adjacently arranged up and down; a plurality of smoothing grooves 221 are uniformly formed in the periphery of the shaft body of each smoothing shaft 22, a first block 222 is fixedly arranged at two ends of each smoothing groove 221, two first electromagnets 223 are connected in a sliding manner in each smoothing groove 221, and a first spring 224 is fixedly arranged between each first electromagnet 223 and each first block 222 which is close to each other; a plurality of groups of first rods 23 are arranged on one side, close to each other, of each fixed beam 21, and each group of first rods 23 is two and is distributed up and down; one end of each first rod 23 is provided with a compression wheel 24;
as shown in fig. 4 and 5; two triangular blocks 3 are fixedly arranged in each smoothing groove 221;
as shown in fig. 3 and 5; one end of each first electromagnet 223 is fixedly provided with a rubber pad 4;
as shown in fig. 7, 8 and 9; each pinch roller 24 is made of conductive material, wherein the connection of one group of upper pinch roller 24 and lower pinch roller 24 is used as the starting signal of all the first electromagnets 223;
when the polyurethane film leveling device works, the head and the tail of the fixed beam 21 are respectively connected with two leveling shafts 22 in a rotating way, the two leveling shafts 22 at the head or the tail are vertically distributed, so that the polyurethane film passes through the leveling shafts, and the leveling shafts 22 can be driven by a motor or can not provide power; the first block 222 is made of a material that can be attracted by a magnet, such as iron; two first electromagnets 223 are arranged in the same smoothing groove 221, when the first electromagnets 223 are electrified, the two first electromagnets 223 repel each other, when the first springs 224 are in the original position, the two first electromagnets 223 are positioned at the central part of the smoothing groove 221, when the two first electromagnets 223 are electrified, the two first electromagnets 223 move towards the two ends of the smoothing shaft 22 respectively, and the first springs 224 shrink to smooth the film from the middle to the two sides; notably, limiting devices can be arranged at the opening of the smoothing groove 221 and at the end part of the first electromagnet 223, so that the first electromagnet 223 always slides in the smoothing groove 221 and cannot be separated from the smoothing groove 221; the plurality of groups of first rods 23 are distributed along the fixed beams 21, each group of first rods 23 is two and vertically distributed, each first rod 23 is provided with a pressing wheel 24, namely, the pressing wheels 24 are also vertically distributed in pairs, when the polyurethane film is transported between the two fixed beams 21, two sides of the polyurethane film are positioned between each group of pressing wheels 24, the plurality of groups of pressing wheels 24 are used for carrying out different point extrusion limiting on two sides of the polyurethane film, similar fixing effect, the wrinkling of the polyurethane film in the width direction is reduced, particularly, the pressing wheels 24 can be driven to rotate under the friction effect of the polyurethane film, namely, the polyurethane film can drive the pressing wheels 24 to rotate, the pressing wheels 24 do not influence the transportation of the polyurethane film, and when the polyurethane film is required to wrinkle, namely, when the width direction has a movement trend, the polyurethane film has the effect of fixing and limiting due to the friction of wheel faces, and the wrinkling phenomenon is further reduced; each smoothing groove 221 is internally and fixedly provided with two triangular blocks 3, the height of the triangular blocks 3 close to the two ends of the smoothing groove 221 is higher than that of the triangular blocks close to the central part of the smoothing groove 221, and the arrangement ensures that the first electromagnet 223 can be extruded by the triangular blocks 3 when moving towards the two ends of the smoothing groove 221, slowly stretches out of the smoothing groove 221, gradually strengthens the extrusion of the polyurethane film, further gradually increases the smoothing force, and more easily achieves the smoothing effect under the condition of reducing the damage of the polyurethane film; the rubber pad 4 plays a role in protecting the polyurethane film, so that the damage to the polyurethane film due to the extrusion of the electromagnet 223 is reduced; during normal transportation, the upper and lower pressing wheels 24 are not connected with electricity due to the blocking of the polyurethane film, when the upper and lower pressing wheels 24 at a certain position are connected with electricity, the polyurethane film at a certain position is separated from the position between the corresponding upper and lower pressing wheels 24, namely wrinkles are generated, at the moment, the first electromagnet 223 is started and starts to smooth, and the first electromagnet 223 can be closed through time delay;
when the winding starts, two sides of the polyurethane film are positioned between each group of pressing wheels 24 and between the front and rear groups of smoothing shafts 22, and the pressing wheels 24 play a role in fixing and pressing; when a film is wrinkled at a certain position, the corresponding pinch roller 24 is connected with electricity, the pinch roller 24 also plays a role in detection, and the first electromagnet 223 is started to smooth the film from the middle to two sides.
As a specific embodiment of the present application, as shown in fig. 1, 6 and 7; one side of each of the two fixed beams 21 is provided with a first plate 5, all first rods 23 are fixedly arranged on the first plates 5 on the corresponding sides, a plurality of T-shaped rods 51 are fixedly arranged on the sides, away from each other, of each first plate 5, each T-shaped rod 51 is in sliding connection with the fixed beam 21 on the corresponding side, driving wheels 52 are arranged in the fixed beam 21 at positions corresponding to each T-shaped rod 51, and each driving wheel 52 is in side contact with the corresponding T-shaped rod 51;
during operation, the driving wheel 52 can be driven by the band-type brake motor, namely, the driving wheel 52 can rotate only when needed, and is fixed under normal conditions, the driving wheel 52 is started to drive the T-shaped rod 51 to draw, so that the distance between the first rods 23 on two sides of the fixed beam 21 is changed, the distance between the corresponding pinch rollers 24 is changed, and the pinch rollers 24 can adapt to polyurethane films with different widths.
As a specific embodiment of the present application, as shown in fig. 7, 8, 9, 10, and 11; each first rod 23 consists of a first female rod 231 and a first son rod 232, the first son rod 232 is nested in the first female rod 231, a wheel cover 6 is fixedly arranged at one end of the first son rod 232 exposed out of the first female rod 231, and a second block 7 is fixedly arranged at one end of the first son rod 232 positioned in the first female rod 231; a second electromagnet 71 is fixedly arranged at one end, close to the wheel cover 6, inside the first female rod 231, and a second spring 72 is fixedly connected between the second electromagnet 71 and the second block 7; one side of the inside of the wheel cover 6 is fixedly provided with a first horn 61, one end of the inside of the first horn 61, which is far away from the opening of the wheel cover 6, is fixedly provided with a third electromagnet 611, the part of the inside of the first horn 61, which is close to the opening of the wheel cover 6, is connected with a third block 612 in a sliding manner, a third spring 613 is fixedly connected between the third block 612 and the third electromagnet 611, the other side of the third block 612 is fixedly connected with an L-shaped rod 62, the L-shaped rod 62 penetrates through the first horn 61 to expose the outside of the first horn 61, the other end of the L-shaped rod 62 is rotationally connected with a pressing wheel 24, and the pressing wheel 24 can extend out from the opening of the wheel cover 6;
as shown in fig. 10 and 11; the connection of one group of upper and lower compression wheels 24 is used as a starting signal of a third electromagnet 611; a first pressure sensor 63 is fixedly arranged on the inner wall of the first barrel 61 near the third electromagnet 611, the first pressure sensor 63 is used as a starting signal of the second electromagnet 71 when sensing a pressure signal, and the first pressure sensor 63 is used as a closing signal of the second electromagnet 71 when not sensing the pressure signal; a second pressure sensor 64 is fixedly arranged on the inner wall of the first female rod 231 near the second electromagnet 71, and the second pressure sensor 64 is used as a closing signal of the third electromagnet 611 when sensing a signal;
in operation, the vertical section of the wheel cover 6 is shaped like a Chinese character 'men', and the second block 7 and the third block 612 are made of materials which can be absorbed by magnets, such as iron; when the second spring 72 is in the original position, the first son bar 232 is retracted into the first mother bar 231, and when the third spring 613 is in the original position, the pressing wheel 24 extends out of the wheel cover 6 to have an extrusion effect on the polyurethane film;
when one group of upper and lower pinch rollers 24 is connected, the film is separated from the space between the pinch rollers 24, which means that wrinkles are generated at the space, and the third electromagnet 611 is started; when the third electromagnet 611 adsorbs the third block 612, the third spring 613 contracts, the pinch roller 24 retracts to the wheel cover 6, the extrusion trend of the film is lost, when the third block 612 is adsorbed to the limit position by the third electromagnet 611, at this time, the third block 612 contacts with the first pressure sensor 63 and senses a pressure signal, at this time, the second electromagnet 71 is started to adsorb the second block 7, so that the first rod 23 is generally elongated, the second spring 72 contracts, when the first rod 23 is elongated to the maximum extent, the second block 7 contacts with the second pressure sensor 64 and senses a pressure signal, at this time, the third electromagnet 611 is closed, the third block 612 is far away from the third spring 613 under the action of the third spring 613 until the third spring 613 is reset, and the pinch roller 24 stretches out again to extrude the film, at this time, the third block 612 is not contacted with the first pressure sensor 63, namely the second electromagnet 71 is closed, and the first rod 23 is shortened under the action of the second spring 72; the above process can be summarized as: when wrinkles are generated, the pressing wheel 24 loses the pressing trend on the film firstly, then the first rod 23 stretches to the maximum extent, the pressing wheel 24 can move to the upper side and the lower side of the film again, the pressing wheel 24 is matched with each other to press the film, the last rod 23 is shortened, the pressing wheel 24 generates an effect of flattening the two sides of the film by the action, namely the first rod 23 is matched with the pressing wheel 24 to smooth the film to the two sides, and wrinkles are further reduced; it is noted that the primary pressure sensor 63 has a certain length, and the primary rod 23 is not shortened when the pinch roller 24 is just ready to pinch.
Claims (3)
1. A polyurethane material winding and packaging mechanism comprising:
a winding table (1), wherein a winding shaft (11) is arranged on the winding table (1), and the winding shaft (11) can wind the polyurethane film;
the method is characterized in that: the polyurethane material winding and packaging mechanism further comprises:
the fixing and smoothing unit (2), one side of the winding table (1) is provided with the fixing and smoothing unit (2), the fixing and smoothing unit (2) can squeeze and limit two sides of the polyurethane film when the polyurethane film is wound, and can smooth the polyurethane film when the polyurethane film is wrinkled;
the stationary smoothing unit (2) comprises:
a fixed beam (21), wherein the fixed beam (21) is fixedly arranged at two ends of one side of the winding table (1);
the leveling shafts (22) are rotatably connected between the two fixed beams (21), the leveling shafts (22) are arranged at the front end and the rear end of the two fixed beams (21) in a group, and each group of leveling shafts (22) are arranged adjacently up and down; a plurality of smoothing grooves (221) are uniformly formed in the periphery of the shaft body of each smoothing shaft (22), a first block (222) is fixedly arranged at two ends of each smoothing groove (221), and the first block (222) is made of a material capable of being adsorbed by a magnet; two first electromagnets (223) are connected in a sliding manner in each smoothing groove (221), and a first spring (224) is fixedly arranged between each first electromagnet (223) and a first block (222) which is close to each first electromagnet; two electromagnets (223) are mutually repelled when energized;
a plurality of groups of first rods (23) are arranged on one side, close to each other, of each fixed beam (21), and each group of first rods (23) is two and is vertically arranged; one end of each first rod (23) is provided with a compression wheel (24);
two triangular blocks (3) are fixedly arranged in each flattening groove (221); the height of the triangular block (3) close to the two ends of the smoothing groove (221) is higher than the height of the triangular block close to the central part of the smoothing groove (221);
each pressing wheel (24) is made of conductive materials, wherein the connection of a group of upper and lower pressing wheels (24) is used as a starting signal of all first electromagnets (223);
each first rod (23) consists of a first female rod (231) and a first son rod (232), the first son rods (232) are nested in the first female rod (231), one end of each first son rod (232) exposed out of the first female rod (231) is fixedly provided with a wheel cover (6), and one end of each first son rod (232) positioned in the first female rod (231) is fixedly provided with a second block (7); a second electromagnet (71) is fixedly arranged at one end, close to the wheel cover (6), inside the first female rod (231), and a second spring (72) is fixedly connected between the second electromagnet (71) and the second block (7); one side of the inside of the wheel cover (6) is fixedly provided with a horn (61), one end, which is arranged inside the horn (61) and is far away from the opening of the wheel cover (6), of the horn (61) is fixedly provided with a third electromagnet (611), a third block (612) is connected to the part, which is arranged inside the horn (61) and is close to the opening of the wheel cover (6), of the horn, a third spring (613) is fixedly connected between the third block (612) and the third electromagnet (611), the other side of the third block (612) is fixedly connected with an L-shaped rod (62), the L-shaped rod (62) penetrates through the horn (61) to expose the outside of the horn (61), the other end of the L-shaped rod (62) is rotationally connected with a pressing wheel (24), and the pressing wheel (24) can extend out of the opening of the wheel cover (6); the second block (7) and the third block (612) are made of materials which can be adsorbed by a magnet;
wherein, the connection of one group of the pressing wheels (24) is used as a starting signal of the third electromagnet (611); a first pressure sensor (63) is fixedly arranged on the inner wall of the first cylinder (61) close to the third electromagnet (611), the first pressure sensor (63) is used as a starting signal of the second electromagnet (71) when sensing a pressure signal, and the first pressure sensor (63) is used as a closing signal of the second electromagnet (71) when not sensing the pressure signal; the first pressure sensor (63) has a certain length, so that the second electromagnet (71) cannot be closed when the pressing wheel (24) is just ready to press; the part of the inner wall of the first female rod (231) close to the second electromagnet (71) is fixedly provided with a second pressure sensor (64), and the second pressure sensor (64) is used as a closing signal of the third electromagnet (611) when sensing a signal.
2. A polyurethane roll packaging mechanism according to claim 1, wherein: one end of each first electromagnet (223) is fixedly provided with a rubber pad (4).
3. A polyurethane roll packaging mechanism as claimed in claim 2, wherein: two one side of fixed beam (21) all is provided with a board (5), all a pole (23) all fixed mounting is on a board (5) of corresponding side, every a board (5) one side that keeps away from each other all fixed mounting has a plurality of T shape pole (51), every T shape pole (51) all with fixed beam (21) sliding connection of corresponding side, the inside position that corresponds every T shape pole (51) of fixed beam (21) all is provided with drive wheel (52), every drive wheel (52) and the contact of T shape pole (51) side that corresponds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311221580.2A CN116986370B (en) | 2023-09-21 | 2023-09-21 | Polyurethane material winding and packaging mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311221580.2A CN116986370B (en) | 2023-09-21 | 2023-09-21 | Polyurethane material winding and packaging mechanism |
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| CN116986370B true CN116986370B (en) | 2023-11-28 |
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| CN202311221580.2A Active CN116986370B (en) | 2023-09-21 | 2023-09-21 | Polyurethane material winding and packaging mechanism |
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| CN116986370A (en) | 2023-11-03 |
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