CN110952370A - Preparation method of copy paper - Google Patents
Preparation method of copy paper Download PDFInfo
- Publication number
- CN110952370A CN110952370A CN201811129526.4A CN201811129526A CN110952370A CN 110952370 A CN110952370 A CN 110952370A CN 201811129526 A CN201811129526 A CN 201811129526A CN 110952370 A CN110952370 A CN 110952370A
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- Prior art keywords
- paper
- shearing
- gearbox
- base
- motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000010008 shearing Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 238000004537 pulping Methods 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 6
- 239000010893 paper waste Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
- B26D1/30—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
- B26D1/305—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/16—Cam means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/003—Indicating or regulating the moisture content of the layer
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention relates to a preparation method of copy paper, which comprises the following steps: (1) pulping; (2) papermaking; (3) dehydrating and drying; (4) rewinding; (5) cutting paper: cutting the base paper into paper by using a paper cutter; (6) packaging; the paper cutter in the step (5) comprises a motor, an output shaft, a shearing mechanism, a gearbox and a paper feeding mechanism; the motor is connected with the output shaft; the output shaft is connected with the shearing mechanism and the input end of the gearbox; the output end of the gearbox is connected with the input end of the paper feeding mechanism. The preparation method of the copy paper of the invention enables the shearing mechanism and the paper feeding mechanism of the paper cutter to work in a linkage way, improves the reliability and the stability of production and has low cost; the linkage relation between the shearing mechanism and the paper feeding mechanism is regulated and controlled by the gearbox, so that paper with different sizes can be cut and selected, and the paper cutting machine is easy to realize.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a preparation method of copy paper.
Background
China is a large paper-making country, and the consumption of wood pulp reaches more than 2000 million tons every year. The use frequency of the copy paper in daily work is very high, and the production efficiency and the production quality of the copy paper directly influence the daily work of people.
Among them, the paper cutting process plays an important role in mass production of copy paper. The paper cutter is a traditional product in the paper cutting process and is used for meeting the requirement that paper is cut according to the required size. The existing paper cutter generally adopts a microcomputer control mode or a tape control mode, and two control systems are used for respectively controlling paper feeding action and paper cutting action; the design requirement of the control system is high, the cost is high, and the problem exists in practice and needs to be solved urgently.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a preparation method of copy paper.
The invention is realized by the following technical scheme: a preparation method of copy paper comprises the following steps: (1) pulping: performing crushing, purification, pulping, external sizing and filling processing on the waste paper to obtain slurry; (2) papermaking: placing the slurry on a forming wire to form base paper; (3) dewatering and drying: sending the base paper into a dehydrator and a dryer for drying treatment; (4) rewinding: uniformly winding (5) the base paper into rolls by using a paper winding machine for cutting paper: cutting the base paper into paper by using a paper cutter; (6) packaging: packaging the paper by using a packaging machine; the paper cutter in the step (5) comprises a motor, an output shaft, a shearing mechanism, a gearbox and a paper feeding mechanism; the motor is connected with the output shaft; the output shaft is connected with the shearing mechanism and the input end of the gearbox; the output end of the gearbox is connected with the input end of the paper feeding mechanism.
Compared with the prior art, the paper cutting machine has the advantages that the shearing mechanism and the paper feeding mechanism of the paper cutting machine work in a linkage manner, the production reliability and stability are improved, and the cost is low; the linkage relation between the shearing mechanism and the paper feeding mechanism is regulated and controlled by the gearbox, so that paper with different sizes can be cut and selected, and the paper cutting machine is easy to realize.
Further, the shearing mechanism comprises a cam, a shearing knife, a shearing base and a tension spring; the cam is coaxially connected with the output shaft; the shearing knife is composed of a knife edge part and a tail part which are integrally formed, the tail part of the shearing knife is contacted with the cam, and a hinge hole is arranged between the knife edge part and the tail part; one side of the shearing base is provided with a through hole hinged with the hinge hole of the shearing knife, and the shearing base is arranged below the knife edge part of the shearing knife; the extension spring is connected the afterbody of shearing the sword with one side of shearing the base.
Because the rotating speed of the motor is unchanged, the shearing knife is controlled to intermittently rotate and reciprocate around the hinge hole through the cam, and the structure is simple; through the tension spring, the shearing knife can be quickly reset after shearing action is finished.
Further, the paper feeding mechanism comprises a frame, and a driving plate, a grooved pulley, a driving paper roller and a driven paper roller which are all arranged on the frame; the center of the driving drive plate is provided with an integrally formed belt wheel, and the belt wheel is connected with the output end of the gearbox through a synchronous belt; the end surface of the driving drive plate is provided with a cylindrical pin, and the cylindrical pin is in intermittent fit with the grooved pulley; the driving paper roll and the grooved pulley are coaxially connected in a winding manner; the driving paper roll and the driven paper roll are arranged in parallel, and two cylindrical surfaces of the driving paper roll and the driven paper roll are in mutual contact.
Intermittent motion of paper feeding action is realized through intermittent matching of the grooved wheel and the grooved wheel of the driving drive plate; the paper feeding mechanism and the shearing mechanism are connected through the gearbox, so that the paper feeding action and the shearing action are linked; meanwhile, the gearbox can be adjusted to adjust the linkage relation between the shearing mechanism and the paper feeding mechanism, so that paper with different sizes can be cut and selected.
Further, the gearbox is a continuously variable gearbox; the stepless gearbox is connected with the output shaft through a synchronous belt.
By adopting the stepless speed changing box, the continuous change of the linkage relation of the shearing mechanism and the paper feeding mechanism can be realized, namely, the continuously changed paper with different sizes can be cut and selected.
Furthermore, a humidity sensor, a control processor and a dryer which are connected in sequence are arranged on the driven paper roll; the control processor controls the start of the dryer according to the signal of the humidity sensor and the humidity threshold set by the user.
Through setting up humidity transducer, the degree of drying of real-time supervision paper avoids the paper because humid weather or other reasons lead to when humidity is too high, and the adhesion is together behind the paper lamination.
Further, the control processor is connected with the motor; and the control processor is used for controlling the rotating speed of the motor according to the signal of the humidity sensor and a humidity threshold value set by a user.
When the humidity exceeds the set humidity threshold, the rotating speed of the motor can be controlled to be reduced, so that the paper can be fully dried.
Furthermore, the frame is also provided with a counting module connected with the motor and used for calculating the number of turns of the motor.
The number of turns of the motor is calculated through the counting module, so that the number of the cut paper can be indirectly detected for a user to record.
Furthermore, a display screen connected with the counting module is further arranged on the rack and used for displaying data.
The recording data of the counting module is displayed through the display screen, so that the number of the cut paper can be monitored visually.
Drawings
FIG. 1 is a process flow diagram of a method of making a copy sheet of the present invention;
FIG. 2 is a schematic front view of the construction of the paper cutter of the present invention;
FIG. 3 is a schematic view of the back of the structure of the paper cutter of the present invention;
fig. 4 is a partial enlarged view a in fig. 2;
FIG. 5 is a schematic view of the combination of a shear knife, shear base and tension spring of the present invention;
fig. 6 is a sectional view of the driven paper roll of the present invention.
In the figure: 100. a motor; 200. an output shaft; 300. a shearing mechanism; 310. a cam; 320. a shearing knife; 321. a hinge hole; 330. shearing the base; 340. a tension spring; 400. a continuously variable transmission; 500. a paper feeding mechanism; 510. a frame; 511. a counting module; 512. a display screen; 520. an active drive plate; 521. a pulley; 530. a grooved wheel; 540. a driving paper roll; 550. driven paper rolls; 551. a humidity sensor; 552. a control processor; 553. and a dryer.
Detailed Description
Referring to fig. 1 to 6, a method for preparing a copy paper of the present embodiment includes the following steps: (1) pulping: performing crushing, purification, pulping, external sizing and filling processing on the waste paper to obtain slurry; (2) papermaking: placing the slurry on a forming wire to form base paper; (3) dewatering and drying: sending the base paper into a dehydrator and a dryer for drying treatment; (4) rewinding: uniformly winding (5) the base paper into rolls by using a paper winding machine for cutting paper: cutting the base paper into paper by using a paper cutter; (6) packaging: packaging the paper by using a packaging machine;
the paper cutter in the step (5) comprises a motor 100, an output shaft 200, a shearing mechanism 300, a continuously variable transmission 400 and a paper feeding mechanism 500; the motor 100 is connected with the output shaft 200; the output shaft 200 is connected with the input end of the shearing mechanism 300 and connected with the input end of the continuously variable transmission 400 through a synchronous belt; the output end of the continuously variable transmission 400 is connected with the input end of the paper feeding mechanism 500.
Preferably, the shearing mechanism 300 comprises a cam 310, a shearing knife 320, a shearing base 330, a tension spring 340; the cam 310 is coaxially connected with the output shaft 200; the shearing knife 320 is composed of a blade part and a tail part which are integrally formed, the tail part of the shearing knife 320 is contacted with the cam 310, and a hinge hole 321 is arranged between the blade part and the tail part; a through hole hinged with the hinge hole 321 of the shearing knife 320 is formed in one side of the shearing base 330, and the shearing base 330 is arranged below the blade part of the shearing knife 320; the tension spring 340 connects the tail of the shearing blade 320 and one side of the shearing base 330.
Preferably, the paper feeding mechanism 500 includes a frame 510, a driving dial 520, a grooved pulley 530, a driving paper roller 540, and a driven paper roller 550, all disposed on the frame 510; the center of the driving dial 520 is provided with an integrally formed belt wheel 521, and the belt wheel 521 is connected with the output end of the continuously variable transmission 400 through a synchronous belt; the end surface of the driving dial 520 is provided with a cylindrical pin, and the cylindrical pin and the grooved wheel 530 are in grooved wheel intermittent fit; the driving paper roller 540 is coaxially connected with the grooved wheel 530; the driving paper roller 540 is disposed in parallel with the driven paper roller 550, and both cylindrical surfaces thereof are in contact with each other.
Preferably, a humidity sensor 551, a control processor 552 and a dryer 553 are sequentially connected to the driven paper roller 550; the control processor 552 controls the activation of the dryer 553 according to the signal of the humidity sensor 551 and the humidity threshold set by the user.
Preferably, the control processor 552 is connected to the motor 100; the control processor 552 is used for controlling the rotation speed of the motor 100 according to the signal of the humidity sensor 551 and the humidity threshold set by the user.
Preferably, the rack 510 is further provided with a counting module 511 connected to the motor 100, for counting the number of turns of the motor 100; the rack 510 is further provided with a display screen 512 connected with the counting module 511 for displaying data.
The working principle of the paper cutter in step (5) of this embodiment is as follows:
paper passes through the space between the driving paper roller 540 and the driven paper roller 550 and is placed on the top surface of the cutting base 330, and then the motor is started, and the motor 100 drives the output shaft 200 to rotate, so that the cam 310 is driven to rotate; because the tail of the shearing knife 320 is in contact with the cam 310, the shearing knife 320 is hinged with the shearing base 330, and the shearing knife 320 is connected with the shearing base 330 through the tension spring 340, the shearing knife 320 makes reciprocating rotation motion around the shearing base 330 under the driving of the cam 320, so that the shearing knife 320 and the shearing base 330 intermittently shear base paper, that is, intermittent paper-cutting action is realized;
meanwhile, the output shaft 200 of the motor drives the continuously variable transmission 400 to rotate through a synchronous belt, and then the output end of the continuously variable transmission 400 drives the belt pulley 521 on the driving dial 520 to rotate through the synchronous belt, so as to drive the driving dial 520 to rotate; because the driving dial 520 is intermittently engaged with the grooved wheel 530, the grooved wheel 530 intermittently rotates, so as to drive the driving paper roller 540 to intermittently rotate, and further to push the base paper between the driving paper roller 540 and the driven paper roller 550 to the cutting base 330, i.e. to realize intermittent paper pushing;
the intermittent paper-cutting action and the intermittent paper-pushing action are mutually matched, so that the paper-cutting action and the paper-pushing action can be alternately and circularly carried out; by adjusting the continuously variable transmission 400, the linkage relationship between the intermittent cutting action and the intermittent paper pushing action can be adjusted, so that different size requirements of paper cutting are met.
In addition, when the humidity sensor 551 detects that the humidity of the base paper exceeds a set humidity threshold, the control processor 552 controls the dryer 553 to start and perform a drying process on the base paper; at the same time, the control processor 552 controls the motor 100 to slow down its rotation speed, thereby allowing the dryer 553 to more fully dry the base paper.
Compared with the prior art, the paper cutting machine has the advantages that the shearing mechanism and the paper feeding mechanism of the paper cutting machine work in a linkage manner, the production reliability and stability are improved, and the cost is low; the linkage relation between the intermittent shearing action and the intermittent paper pushing action is adjusted by using a stepless speed changing box, so that paper with different sizes can be cut and selected, and the paper cutting machine is easy to realize; through setting up humidity transducer, the degree of drying of real-time supervision paper to carry out drying process, avoid the paper because humid weather or other reasons lead to when humidity is too high, the adhesion is together behind the paper lamination.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The preparation method of the copy paper is characterized by comprising the following steps:
(1) pulping: performing crushing, purification, pulping, external sizing and filling processing on the waste paper to obtain slurry;
(2) papermaking: placing the slurry on a forming wire to form base paper;
(3) dewatering and drying: sending the base paper into a dehydrator and a dryer for drying treatment;
(4) rewinding: uniformly winding the base paper by using a paper winding machine;
(5) cutting paper: cutting the base paper into paper by using a paper cutter;
(6) packaging: packaging the paper by using a packaging machine;
the paper cutter in the step (5) comprises a motor, an output shaft, a shearing mechanism, a gearbox and a paper feeding mechanism; the motor is connected with the output shaft; the output shaft is connected with the shearing mechanism and the input end of the gearbox; the output end of the gearbox is connected with the input end of the paper feeding mechanism.
2. The method for producing a copying sheet according to claim 1, characterized in that: the shearing mechanism comprises a cam, a shearing knife, a shearing base and a tension spring; the cam is coaxially connected with the output shaft; the shearing knife is composed of a knife edge part and a tail part which are integrally formed, the tail part of the shearing knife is contacted with the cam, and a hinge hole is arranged between the knife edge part and the tail part; one side of the shearing base is provided with a through hole hinged with the hinge hole of the shearing knife, and the shearing base is arranged below the knife edge part of the shearing knife; the extension spring is connected the afterbody of shearing the sword with one side of shearing the base.
3. The method for producing a copying sheet according to claim 2, characterized in that: the paper feeding mechanism comprises a frame, and a driving plate, a grooved pulley, a driving paper roller and a driven paper roller which are all arranged on the frame; the center of the driving drive plate is provided with an integrally formed belt wheel, and the belt wheel is connected with the output end of the gearbox through a synchronous belt; the end surface of the driving drive plate is provided with a cylindrical pin, and the cylindrical pin is in intermittent fit with the grooved pulley; the driving paper roll and the grooved pulley are coaxially connected in a winding manner; the driving paper roll and the driven paper roll are arranged in parallel, and two cylindrical surfaces of the driving paper roll and the driven paper roll are in mutual contact.
4. The method for producing a copying sheet according to claim 3, characterized in that: the gearbox is a stepless gearbox; the stepless gearbox is connected with the output shaft through a synchronous belt.
5. The method for producing a copying sheet according to claim 3 or 4, characterized in that: the driven paper roll is provided with a humidity sensor, a control processor and a dryer which are connected in sequence; the control processor controls the start of the dryer according to the signal of the humidity sensor and the humidity threshold set by the user.
6. The method for producing a copying sheet according to claim 5, characterized in that: the control processor is connected with the motor; and the control processor is used for controlling the rotating speed of the motor according to the signal of the humidity sensor and a humidity threshold value set by a user.
7. The method for producing a copying sheet according to claim 6, characterized in that: and the frame is also provided with a counting module connected with the motor and used for calculating the number of turns of the motor.
8. The method for producing a copying sheet according to claim 7, characterized in that: and the rack is also provided with a display screen connected with the counting module and used for displaying data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129526.4A CN110952370A (en) | 2018-09-27 | 2018-09-27 | Preparation method of copy paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129526.4A CN110952370A (en) | 2018-09-27 | 2018-09-27 | Preparation method of copy paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110952370A true CN110952370A (en) | 2020-04-03 |
Family
ID=69967975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811129526.4A Pending CN110952370A (en) | 2018-09-27 | 2018-09-27 | Preparation method of copy paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110952370A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181380Y (en) * | 1992-02-21 | 1994-11-02 | 奉贤县钱桥西张机械厂 | Reel cutter for paper |
| CN2936704Y (en) * | 2005-12-23 | 2007-08-22 | 牛洪明 | Stepless speed changing driving paper cutter |
| CN201023252Y (en) * | 2007-04-09 | 2008-02-20 | 王信洲 | Automatic paper cutter for square toilet paper |
| CN104493872A (en) * | 2014-11-25 | 2015-04-08 | 南通四通林业机械制造安装有限公司 | Lever paper-cutting device |
| CN105887540A (en) * | 2014-11-15 | 2016-08-24 | 玖龙浆纸（乐山）有限公司 | Process method for producing carbon-free copying base paper by using white scrap paper |
| CN106972715A (en) * | 2017-05-31 | 2017-07-21 | 河海大学常州校区 | The embedding insulating paper machine of rotor |
-
2018
- 2018-09-27 CN CN201811129526.4A patent/CN110952370A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181380Y (en) * | 1992-02-21 | 1994-11-02 | 奉贤县钱桥西张机械厂 | Reel cutter for paper |
| CN2936704Y (en) * | 2005-12-23 | 2007-08-22 | 牛洪明 | Stepless speed changing driving paper cutter |
| CN201023252Y (en) * | 2007-04-09 | 2008-02-20 | 王信洲 | Automatic paper cutter for square toilet paper |
| CN105887540A (en) * | 2014-11-15 | 2016-08-24 | 玖龙浆纸（乐山）有限公司 | Process method for producing carbon-free copying base paper by using white scrap paper |
| CN104493872A (en) * | 2014-11-25 | 2015-04-08 | 南通四通林业机械制造安装有限公司 | Lever paper-cutting device |
| CN106972715A (en) * | 2017-05-31 | 2017-07-21 | 河海大学常州校区 | The embedding insulating paper machine of rotor |
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Application publication date: 20200403 |