Edge trim collection and cleaning system and method for paper production

Abstract

The application provides a waste edge collecting and cleaning system and method for paper production, which comprises a feeding cavity, a suction channel arranged on the side of the feeding cavity, an upper turning plate arranged on the top of the suction channel, a feeding plate connected to the bottom of the suction channel through an upper rotating shaft, and a brightness sensor bearing plate arranged on the bottom of the feeding plate. The spiral feeding channel, the main crushing motor and the cutting blade arranged in the feeding cavity can crush the waste edge with a large area to facilitate storage and avoid the entanglement of long waste edges. The pressure cavity, the first air suction pump and the first limiting block can compress the waste edge in the pressure cavity to prevent the waste material from occupying too much collection space due to relaxation. The square outer frame, the spring and the second limiting block arranged on the pressure plate can change the overall height of the pressure plate according to the inclination angle of the top end face of the pressure cavity during the process of pushing into the pressure cavity, so that the waste edge can be compressed more tightly.

Description

TECHNICAL FIELD

[0001] The present application relates to a waste edge collecting and cleaning system and method for paper production. BACKGROUND

[0002] In the processing of paper products, in order to ensure the continuity of production, a long strip of paper in roll form is usually used as raw material, and the paper roll is transported by a roller, and the cutting and other processing steps of the raw material are completed during the transportation process. Since the cutting of the paper is to adjust the width of the paper, the two sides of the paper in the width direction will be cut off a certain amount of waste during the cutting process. The waste produced by the slitting of the paper is currently collected in a waste box, but the paper waste is relatively loose, thereby occupying a lot of collection space, leading to the problem that the collection space is easily filled, and the waste box needs to be frequently replaced and cleaned. Therefore, a waste edge collecting and cleaning system and method for paper production is proposed to solve this problem. SUMMARY

[0003] The present application aims at the deficiencies of the prior art, and provides a waste edge collecting and cleaning system and method for paper production, which can well solve the above problems.

[0004] In order to achieve the above requirements, the technical scheme adopted by the present application is: a waste edge collecting and cleaning system and method for paper production is provided, which comprises a feeding cavity; a suction channel is arranged on the side of the feeding cavity, the top of the suction channel is provided with an upper turning plate, the bottom of the suction channel is connected with a feeding plate through an upper rotating shaft, the bottom of the feeding plate is provided with a brightness sensor bearing plate, the feeding plate is uniformly provided with light transmission holes, each light transmission hole is provided with a brightness sensor, and each brightness sensor is arranged on the brightness sensor bearing plate; a spiral feeding channel is connected to the bottom of the feeding cavity, the bottom of the spiral feeding channel is connected with a main crushing motor, the output end of the bottom of the main crushing motor is provided with a cutting blade, the bottom of the feeding channel is in communication with the top of a cylindrical cavity, the inside of the cylindrical cavity is provided with a collecting motor, and the output end of the collecting motor is connected with an arc-shaped shoveling plate; the bottom of the cylindrical cavity is in communication with the top of a pressing cavity, the bottom of the pressing cavity is provided with an inclined air permeable plate, the air permeable plate is uniformly provided with air permeable holes, and the top end face of the pressing cavity is arranged in a downward inclined structure; the bottom end face of the cylindrical cavity is an arc-shaped air permeable plate, the bottom of the arc-shaped air permeable plate is a first air suction cavity, the inside of the first air suction cavity is provided with a second air suction pump, the bottom of the air permeable plate is provided with a second air suction cavity, and the second air suction cavity is in communication with the air inlet end of the first air suction pump; the bottom of the first air suction cavity is provided with a base, the inside of the base is provided with a pressing motor, the output end of the pressing motor is connected with a pressing plate, the pressing plate comprises a square plate and a square outer frame which is sleeved outside the square plate, the bottom of the square outer frame is provided with a square bearing groove for inserting the square plate, springs are uniformly arranged between the top of the square plate and the upper end face inside the square outer frame, first limiting blocks are arranged on the two sides of the top of the square plate, and second limiting blocks are arranged on the inner bottom of the two ends of the square outer frame.

[0005] A waste edge collecting and cleaning method for paper production is provided, which comprises the following steps:

[0006] S1: paper is conveyed on a conveying belt in a paper production link, and is cut by a paper cutting machine in the process to generate paper waste edges, and the paper waste edges enter a feeding cavity through the upper part of a feeding plate under the air suction of a second air suction pump;

[0007] S2: the paper waste edges fall on a rotating cutting blade driven by a main crushing motor through a spiral feeding channel, are cut, and then fall into a cylindrical cavity, the arc-shaped shoveling plate in the cylindrical cavity is driven by a collecting motor to rotate, and the crushed paper waste edges are scraped into a pressing cavity;

[0008] S3: The air inlet end of the second air suction pump arranged inside the first air suction cavity at the bottom of the cylindrical cavity extends into the first air suction cavity, and the arc-shaped air-permeable plate between the first air suction cavity and the cylindrical cavity plays an air-permeable role, after the paper waste edge is scraped into the pressing cavity, the pressing motor drives the pressing plate to move and compresses the paper waste edge;

[0009] S4: The bottom of the pressing cavity is an air-permeable plate arranged obliquely to ensure that the compressed paper waste edge is always below the pressing cavity, and the second air suction cavity is arranged at the bottom of the pressing cavity, and the air-permeable plate is arranged between the second air suction cavity and the pressing cavity, and the first air suction pump sucks air inside the second air suction cavity;

[0010] S5: After the top of the pressing plate contacts the top end surface of the inclined pressing cavity, the spring is compressed, and the square outer frame moves downward as a whole, so that the overall height of the pressing plate is shortened, and the pressing can continue to be completed;

[0011] S6: The power of the second air suction pump and the first air suction pump is dynamically adjusted, the light bar shines downward, the light passes through the light transmission holes on the feeding plate and shines on at least ten brightness sensors arranged uniformly, when the paper waste edge on the feeding plate is more, the paper waste edge blocks more light transmission holes, at this time, the total light that the brightness sensor can receive is less, the power of the second air suction pump and the first air suction pump is increased, and the speed of sucking the paper waste edge is increased;

[0012] Similarly, when the paper waste edge on the feeding plate is less, the paper waste edge blocks fewer light transmission holes, at this time, the total light that the brightness sensor can receive is more, at this time, the power of the second air suction pump and the first air suction pump is reduced, and the two air suction pumps are set to have the same power.

[0013] The paper production waste edge collecting and cleaning system and method has the following advantages:

[0014] By arranging the spiral feeding channel, the main crushing motor and the cutting blade in the feeding cavity, the waste edge with a large area can be crushed for easy storage, and the situation of long waste edge entanglement is avoided, by arranging the pressing cavity, the first air suction pump, the air-permeable plate, the pressing plate, the base and the pressing motor, the waste edge inside the pressing cavity can be compressed to prevent the waste material from occupying too much collection space while keeping loose, and by arranging the square outer frame, the spring, the square bearing groove, the square plate, the first limiting block and the second limiting block on the pressing plate, the overall height of the pressing plate can change according to the inclination angle of the top end surface of the pressing cavity during the process of pushing into the pressing cavity, and the structure can be compressed more tightly when compressing the waste edge. At the same time, the system dynamically adjusts the power of the material suction component, which can ensure good waste material collection effect while avoiding long-term high power and causing energy waste. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0016] Fig. 1 The structural schematic diagram of the waste edge collecting and cleaning system for paper production is schematically shown according to an embodiment of the application.

[0017] Fig. 2 The top view of the paper production link conveying belt of the waste edge collecting and cleaning system for paper production in use is schematically shown according to an embodiment of the application.

[0018] Fig. 3 The structural schematic diagram of the pressure plate of the waste edge collecting and cleaning system for paper production is schematically shown according to an embodiment of the application.

[0019] Wherein: 1, light bar; 2, upturning plate; 3, material suction passage; 4, feeding plate; 5, brightness sensor bearing plate; 6, upper rotating shaft; 7, feeding cavity; 8, spiral feeding passage; 9, main crushing motor; 10, cutting blade; 11, cylindrical cavity; 12, material collecting motor; 13, arc-shaped material shoveling plate; 14, lower rotating shaft; 15, outward opening door; 16, pressure cavity; 17, first air suction pump; 18, air permeable plate; 19, pressure plate; 20, base; 21, pressure motor; 22, second air suction pump; 23, arc-shaped air permeable plate; 24, paper; 25, paper waste edge; 26, paper cutting machine; 27, paper production link conveying belt; 28, light transmission hole; 29, square outer frame; 30, spring; 31, square bearing groove; 32, square plate; 33, first limiting block; 34, second limiting block. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the application more clear, the application is further described in detail below with reference to the drawings and specific embodiments.

[0021] In the following description, the reference to "one embodiment", "an embodiment", "one example", "an example", etc. means that a particular feature, structure, characteristic, property, element or limitation described in connection with the embodiment or example can be included in at least one embodiment or example of the application but is not necessarily included in all embodiments or examples. In addition, repeated use of the phrase "according to an embodiment of the application" does not necessarily refer to the same embodiment, although it can.

[0022] For simplicity, certain technical features of the application can in the following description be identified with arrows, of which the purpose merely serves to aid the reader.

[0023] According to one embodiment of the present application, a waste edge collecting and cleaning system and method for paper production are provided, which comprises Figs. 1-3 As shown, it comprises a feeding cavity 7, a suction channel 3 arranged on the side of the feeding cavity 7, an upper turning plate 2 arranged on the top of the suction channel 3, a feeding plate 4 connected to the bottom of the suction channel 3 through an upper rotating shaft 6, a brightness sensor bearing plate 5 arranged on the bottom of the feeding plate 4, a plurality of light transmission holes 28 uniformly arranged on the feeding plate 4, a brightness sensor arranged in each of the light transmission holes 28, and each of the brightness sensors arranged on the brightness sensor bearing plate 5; a spiral feeding channel 8 connected to the bottom of the feeding cavity 7, a main crushing motor 9 connected to the bottom of the spiral feeding channel 8, a cutting blade 10 arranged on the output end of the bottom of the main crushing motor 9, the bottom of the feeding channel 8 in communication with the top of a cylindrical cavity 11, a material collecting motor 12 arranged in the cylindrical cavity 11, and an arc-shaped material shoveling plate 13 connected to the output end of the material collecting motor 12; the bottom of the cylindrical cavity 11 in communication with the top of a pressing cavity 16, the bottom of the pressing cavity 16 provided with an inclined air permeable plate 18, the air permeable plate 18 provided with a plurality of air permeable holes, and the top end surface of the pressing cavity 16 arranged in a downwardly inclined structure.

[0024] According to one embodiment of the present application, the bottom end surface of the cylindrical cavity 11 of the waste edge collecting and cleaning system for paper production is an arc-shaped air permeable plate 23, the bottom of the arc-shaped air permeable plate 23 is a first air suction cavity, the first air suction cavity is internally provided with a second air suction pump 22, the bottom of the air permeable plate 18 is provided with a second air suction cavity, and the second air suction cavity is in communication with the air inlet end of the first air suction pump 17.

[0025] According to one embodiment of the present application, the bottom of the first air suction cavity of the waste edge collecting and cleaning system for paper production is provided with a base 20, the base 20 is internally provided with a pressing motor 21, the output end of the pressing motor 21 is connected with a pressing plate 19, the pressing plate 19 comprises a square plate 32 and a square outer frame 29 sleeved outside the square plate 32, the bottom of the square outer frame 29 is provided with a square bearing groove 31 for inserting the square plate 32, springs 30 are uniformly arranged between the top of the square plate 32 and the upper end surface inside the square outer frame 29, first limiting blocks 33 are respectively arranged on both sides of the top of the square plate 32, and second limiting blocks 34 are respectively arranged on the inner bottom of both ends of the square outer frame 29.

[0026] According to one embodiment of the present application, the material collecting motor 12 of the waste edge collecting and cleaning system for paper production is arranged at the center of the inner sidewall of the cylindrical cavity 11.

[0027] According to one embodiment of the present application, the top end surface of the material pressing cavity 16 of the waste edge collecting and cleaning system for paper production is provided with an outer opening door 15 connected to the top end surface of the material pressing cavity 16 through a lower rotating shaft 14.

[0028] According to one embodiment of the present application, the traveling direction of the output end of the material pressing motor 21 of the waste edge collecting and cleaning system for paper production is parallel to the air permeable plate 18.

[0029] According to one embodiment of the present application, the top end surface of the square outer frame 29 of the waste edge collecting and cleaning system for paper production is in an inclined structure, and the inclination angle is the same as that of the top end surface of the material pressing cavity 16.

[0030] According to one embodiment of the present application, the first air suction pump 17 and the second air suction pump 22 of the waste edge collecting and cleaning system for paper production are power-adjustable electric air suction pumps.

[0031] According to one embodiment of the present application, the paper production waste edge collection and cleaning system uses the paper 24 to be conveyed on the paper production link conveying belt 27, in the process, the paper is cut by the paper cutting machine 26, and the paper waste edge 25 is generated. The paper waste edge 25 enters the feeding cavity 7 through the upper part of the feeding plate 4 under the action of the suction of the second suction pump 22, and then the paper waste edge 25 falls on the rotating cutting blade 10 driven by the main crushing motor 9 for cutting, and then falls into the cylindrical cavity 11 (the setting of the spiral feeding channel 8 can play the role of channel extension, avoiding the paper scraps generated after being cut from the suction channel 3). The receiving motor 12 in the cylindrical cavity 11 drives the arc-shaped shovel plate 13 to rotate, and scrapes the crushed paper waste edge 25 into the pressing cavity 16. The inlet end of the second suction pump 22 arranged in the first suction cavity inside the bottom of the cylindrical cavity 11 extends into the first suction cavity inside. The first suction cavity and the cylindrical cavity 11 are connected by the arc-shaped air-permeable plate 23, which plays the role of air permeation. After the crushed paper waste edge 25 is scraped into the pressing cavity 16, the pressing motor 21 drives the pressing plate 19 to move and press the paper waste edge 25. The bottom of the pressing cavity 16 is provided with an air-permeable plate 18 arranged in a slope, so that the paper waste edge 25 can be always kept below the pressing cavity 16. The bottom of the pressing cavity 16 is provided with a second suction cavity, and the second suction cavity and the pressing cavity 16 are connected by the air-permeable plate 18. The first suction pump 17 sucks air in the second suction cavity, and the air-permeable holes uniformly arranged on the air-permeable plate 18 can ensure that the paper waste edge 25 after being pressed will only block part of the air-permeable holes, so that the overall suction effect of the first suction pump 17 will not be affected. The advancing direction of the output end of the pressing motor 21 is parallel to the air-permeable plate 18, which can ensure that the bottom of the pressing plate 19 is always close to the air-permeable plate 18. When the top of the pressing plate 19 contacts the top end surface of the inclined pressing cavity 16, the spring 30 is compressed, and the square outer frame 29 moves downward as a whole, so that the overall height of the pressing plate 19 is shortened, and the pressing can be continued. At the same time, the power of the second suction pump 22 and the first suction pump 17 is dynamically adjusted. The light bar 1 downwardly emits light, and the light passes through the light-transmitting holes in the feeding plate 4 and hits at least ten brightness sensors arranged uniformly. When the paper waste edge 25 on the feeding plate 4 is more, the paper waste edge 25 blocks more light-transmitting holes, at this time, the total light that the brightness sensor can receive is less, at this time, the power of the second suction pump 22 and the first suction pump 17 is increased, and the speed of sucking the paper waste edge 25 is accelerated. Similarly, when the paper waste edge 25 on the feeding plate 4 is less, the paper waste edge 25 blocks less light-transmitting holes, at this time, the total light that the brightness sensor can receive is more, at this time, the power of the second suction pump 22 and the first suction pump 17 is reduced. This dynamic adjustment process can ensure good waste collection effect and avoid energy waste caused by long-term high power.

[0032] The calculation of the suction power of the second suction pump and the first suction pump is as follows:

[0033]

[0034]

[0035] Wherein:

[0036] P adj : suction power;

[0037] L tot : total brightness;

[0038] M is the number of brightness sensors, M>10;

[0039] B j : the brightness value detected by the jth brightness sensor, j=1, 2,..., M;

[0040] P0: basic suction power;

[0041] a, b: proportional constant, used to adjust the nonlinear relationship between suction power and total brightness;

[0042] P lim : maximum power of the suction component;

[0043] a, b: base of natural logarithm;

[0044] γ: adjustment factor, controls the shape of the power growth curve;

[0045] L norm : normalized brightness value, used to prevent the value within the function from being too small or too large;

[0046] L max : expected maximum total brightness value.

[0047] According to one embodiment of the present application, the waste edge collecting and cleaning system for paper production can crush the large area waste edge through the spiral feeding channel 8, the main crushing motor 9 and the cutting blade 10 arranged in the feeding cavity 7, so as to facilitate storage and avoid the entanglement of long waste edges. The waste edge inside the pressing cavity 16 can be compressed through the pressing cavity 16, the first suction pump 17, the air permeable plate 18, the pressing plate 19, the base 20 and the pressing motor 21, so as to prevent the waste material from occupying too much collection space due to relaxation. At the same time, the overall height of the pressing plate 19 can change according to the inclination angle of the top end face of the pressing cavity 16 during the process of pushing into the pressing cavity 16 by arranging the square outer frame 29, the spring 30, the square bearing groove 31, the square plate 32, the first limiting block 33 and the second limiting block 34 on the pressing plate 19. This structure can compress the waste edge more tightly when compressing the waste edge.

[0048] The above-described embodiments are merely representative of several embodiments of the present application, which are described in a more specific and detailed manner, but should not be understood as limiting the scope of the present application. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the claims.

Claims

1. A waste edge collection and cleaning system for paper production, characterized in that: Including the material cavity; The material cavity is provided with a suction channel on the side, the top of the suction channel is provided with an upper turning plate, the bottom of the suction channel is connected with a material feeding plate through an upper rotating shaft, the bottom of the material feeding plate is provided with a brightness sensor bearing plate, the material feeding plate is uniformly provided with a light transmission hole, each light transmission hole is provided with a brightness sensor, and each brightness sensor is arranged on the brightness sensor bearing plate. The bottom of the material cavity is connected with a spiral material feeding channel, the bottom of the spiral material feeding channel is connected with a main crushing motor, the output end of the bottom of the main crushing motor is provided with a cutting blade, the bottom of the material feeding channel is in communication with the top of the cylindrical cavity, and the inside of the cylindrical cavity is provided with a material collecting motor. The bottom of the cylindrical cavity is in communication with the top of the pressing cavity, the bottom of the pressing cavity is provided with an inclined air permeable plate, the air permeable plate is uniformly provided with air permeable holes, and the top end face of the pressing cavity is arranged in a downward inclined structure. The bottom end face of the cylindrical cavity is an arc-shaped air permeable plate, the bottom of the arc-shaped air permeable plate is a first air suction cavity, the inside of the first air suction cavity is provided with a second air suction pump, the bottom of the air permeable plate is provided with a second air suction cavity, and the second air suction cavity is in communication with the air inlet end of the first air suction pump. The bottom of the first air suction cavity is provided with a base, the inside of the base is provided with a pressing motor, the output end of the pressing motor is connected with a pressing plate, the pressing plate comprises a square plate and a square outer frame sleeved outside the square plate, the bottom of the square outer frame is provided with a square bearing groove for inserting the square plate, springs are uniformly arranged between the top of the square plate and the upper end face inside the square outer frame, and the top of the square plate is provided with a first limiting block on each side.

2. The slitter cleaning system for paper production according to claim 1, characterized in that: The material collecting motor is arranged at the center of the inside side wall of the cylindrical cavity.

3. The slitter cleaning system for paper production according to claim 1, characterized in that: The top end face of the pressing cavity is provided with an outward opening door connected with the top end face of the pressing cavity through a lower rotating shaft.

4. The slitter cleaning system for paper production according to claim 1, characterized in that: The advancing direction of the output end of the pressing motor is parallel to the air permeable plate.

5. The slitter cleaning system for paper production according to claim 1, characterized in that: The top end face of the square outer frame is an inclined structure, and the inclination angle is the same as that of the top end face of the pressing cavity.

6. The slitter cleaning system for paper production according to claim 1, wherein: The first air suction pump and the second air suction pump are power-adjustable electric air suction pumps.

7. A method of collecting and cleaning the trimmings in a paper production, characterized by, The waste edge collecting and cleaning system for paper production in claim 1 comprises the following steps: S1: paper is conveyed on a paper conveying belt in a paper production process, and is cut by a paper cutting machine to generate paper waste edges, which enter the material cavity above the material feeding plate under the suction of the second air suction pump; S2: the paper waste edges fall on the rotating cutting blade driven by the main crushing motor through the spiral material feeding channel, are cut, and then fall into the cylindrical cavity, the arc-shaped material scraping plate is driven to rotate by the material collecting motor in the cylindrical cavity, and the crushed paper waste edges are scraped into the pressing cavity. S3: The air inlet end of the second air suction pump arranged inside the first air suction cavity at the bottom of the cylindrical cavity extends into the first air suction cavity, and the arc-shaped air-permeable plate between the first air suction cavity and the cylindrical cavity plays a role of air permeability, after the paper waste edge after being crushed is scraped into the pressing cavity, the pressing motor drives the pressing plate to move and press the paper waste edge; S4: The bottom of the pressing cavity is an air-permeable plate arranged obliquely to ensure that the paper waste edge being pressed is always below the pressing cavity obliquely, and the second air suction cavity is arranged at the bottom of the pressing cavity, and the air-permeable plate is arranged between the second air suction cavity and the pressing cavity, and the first air suction pump sucks air inside the second air suction cavity; S5: After the top of the pressing plate contacts the inclined top end surface of the pressing cavity, the spring is pressed, and the square outer frame moves downward as a whole, so that the overall height of the pressing plate is shortened, and the pressing can continue to proceed; S6: The power of the second air suction pump and the first air suction pump is dynamically adjusted, the light bar is downwardly lighted, the light passes through the light transmission holes on the feeding plate and hits at least ten brightness sensors arranged uniformly, when the paper waste edge on the feeding plate is more, the light transmission holes blocked by the paper waste edge are more, at this time, the total light received by the brightness sensor is less, the power of the second air suction pump and the first air suction pump is increased, and the speed of sucking the paper waste edge is further increased; Similarly, when the paper waste edge on the feeding plate is less, the light transmission holes blocked by the paper waste edge are less, at this time, the total light received by the brightness sensor is more, at this time, the power of the second air suction pump and the first air suction pump is reduced, and the two air suction pumps are set to have the same power.

8. The slitter cleaning method according to claim 7, wherein: The specific calculation method of the air suction power of the second air suction pump and the first air suction pump is as follows: ； ； wherein: : suction power; : total luminance; : number of luminance sensors, >10; : the luminance value detected by the jth luminance sensor, j = 1, 2, …, M; : base suction power; a, b: proportional constant, used to adjust the nonlinear relationship between air suction power and total brightness; : maximum power of the intake component; : a regulating factor, which controls the shape of the power growth curve; : Normalized luminance value, used to prevent values within the function from being too small or too large; : expected maximum total luminance value.

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