CN110615310A - Paper cutter - Google Patents

Paper cutter Download PDF

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Publication number
CN110615310A
CN110615310A CN201811654749.2A CN201811654749A CN110615310A CN 110615310 A CN110615310 A CN 110615310A CN 201811654749 A CN201811654749 A CN 201811654749A CN 110615310 A CN110615310 A CN 110615310A
Authority
CN
China
Prior art keywords
paper
cutting
edge
blade
cut
Prior art date
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.)
Pending
Application number
CN201811654749.2A
Other languages
Chinese (zh)
Inventor
陈镇军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Precision Intelligent Machine Co Ltd
Original Assignee
Shenzhen Precision Intelligent Machine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Precision Intelligent Machine Co Ltd filed Critical Shenzhen Precision Intelligent Machine Co Ltd
Priority to CN201811654749.2A priority Critical patent/CN110615310A/en
Publication of CN110615310A publication Critical patent/CN110615310A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51532—Blade cutter, e.g. single blade cutter
    • B65H2301/515323—Blade cutter, e.g. single blade cutter rotary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51532—Blade cutter, e.g. single blade cutter
    • B65H2301/515326—Multiple blade cutter

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  • Nonmetal Cutting Devices (AREA)

Abstract

The invention discloses a paper cutter, which comprises a rack, and a first cutting mechanism, a second cutting mechanism and a paper feeding mechanism which are arranged on the rack, wherein the first cutting mechanism comprises a first cutting knife, a cushion knife and a first driving component; the second cuts the mechanism and includes that the second cuts the sword, assists sword and second drive assembly, second drive assembly is used for the drive the second cuts the sword and rotates, so that the second cut the sword with assist the sword and mutually support and cut out paper along the second direction, first direction perpendicular to the second direction, paper feeding mechanism follows the second direction will be waited to cut out the paper and send to first cut the mechanism with the second cuts the mechanism. The paper cutter is compatible with longitudinal cutting and transverse cutting processes, and has the advantages of high paper cutting efficiency, good paper cutting quality and the like.

Description

Paper cutter
Technical Field
The invention relates to the technical field of paper cutting equipment, in particular to a paper cutting machine.
Background
The cutting of the roll paper is an important link of digital printing, and the binding quality of books is directly influenced. Traditional paper cutting equipment is bulky, and is with high costs, and the cutting of paper needs multichannel process, for example need carry on the crosscut respectively and fold paper etc. multichannel process just can accomplish the cutting work of paper, the paper cutting process is complicated, be not suitable for quick special version, the paper cutting is inefficient, and the crosscut process needs the trimmer to accomplish, and the process of folding paper needs the folding machine to accomplish, the cooperation between multichannel process and the equipment is more complicated, process error is great between the process, the paper quality of cutting is poor. In addition, traditional wheel rotates cuts and belongs to the mode of cutting that the fixed length cut under the unchangeable condition of mechanical mechanism, and it is complicated and the degree of difficulty is big to change cutting length to cutting the mode and belonging to the line contact cutting in the twinkling of an eye, cutter easy wear, noise are big.
Disclosure of Invention
The invention mainly aims to provide a paper cutter, and aims to solve the problems of low paper cutting efficiency and poor paper cutting effect in the prior art.
In order to achieve the above purpose, the present invention provides a paper cutter, which includes a frame, and a first cutting mechanism, a second cutting mechanism, and a paper feeding mechanism mounted on the frame, where the first cutting mechanism includes a first cutting knife, a cushion knife, and a first driving assembly, and the first driving assembly is used to drive the first cutting knife to rotate, so that the first cutting knife and the cushion knife are matched with each other to cut paper along a first direction; the second cuts the mechanism and includes that the second cuts the sword, assists sword and second drive assembly, second drive assembly is used for the drive the second cuts the sword and rotates, so that the second cut the sword with assist the sword and mutually support and cut out paper along the second direction, first direction perpendicular to the second direction, paper feeding mechanism follows the second direction will be waited to cut out the paper and send to first cut the mechanism with the second cuts the mechanism.
Preferably, the first cutting knife comprises a knife main body extending along the first direction, the knife main body is cylindrical, the first cutting knife further comprises a spiral knife edge arranged on the outer peripheral surface of the knife main body, and an included angle between a first end and a second end of the spiral knife edge is 30-45 degrees; the cushion cutter comprises a cutter body extending along a first direction and a linear cutting edge used for being matched with the spiral cutting edge to cut paper along the first direction, and the linear cutting edge is formed on the cutter body and extends along the first direction.
Preferably, first mechanism of cutting still including installing mount pad in the frame, it installs to fill up the sword on the mount pad, the sword body is the rectangle post, arbitrary edges and corners of sword body forms the sharp cutting edge, the sharp cutting edge is located helical blade's below.
Preferably, the first driving assembly comprises a first driving motor and two bearing seats arranged at intervals along the first direction, the bearing seats are installed on the installation seat, the first driving motor is installed on the rack, two ends of the knife main body are respectively and correspondingly installed on the two bearing seats through bearings, and one end of the knife main body is connected with the first driving motor.
Preferably, the second cuts the sword for being the circular shape initiative rotary knife, assist the sword for being the circular shape driven rotary knife, second drive assembly includes second driving motor, second driving motor passes through gear drive mechanism drive the second cuts the sword and rotates, assist the sword to be located the second cuts the top of sword, and the periphery cutting edge of the sword assisted with the second cuts the periphery cutting edge of sword and pastes tightly.
Preferably, the second cuts the mechanism and still includes compression spring and baffle, the baffle is fixed in the frame, compression spring's one end is in through a steel ball butt on the baffle, compression spring's the other end is connected assist the sword, so that support tightly from the periphery cutting edge of assisting the sword the periphery cutting edge that the second cut the sword.
Preferably, the trimmer further comprises an edge cutting mechanism, the edge cutting mechanism is located on one side of the second cutting mechanism, the edge cutting mechanism comprises an edge cutting driving assembly and two edge cutting knives, the edge cutting driving assembly is used for driving the two edge cutting knives to rotate simultaneously, so that the two edge cutting knives are matched with each other to cut the paper edge of the paper to be cut along the second direction.
Preferably, the cutting edge sword is for being the circular shape initiative rotary knife, cutting edge drive assembly includes cutting edge driving motor, cutting edge driving motor passes through gear drive two the cutting edge sword rotates simultaneously, two the cutting edge sword is arranged from top to bottom, and two the peripheral cutting edge of cutting edge sword pastes closely each other.
Preferably, the edge cutting mechanism further comprises a paper discharge assembly, the paper discharge assembly is located below the paper cutter, the paper discharge assembly comprises a paper discharge driving wheel, a paper discharge driven wheel and a paper discharge driving motor, the outer peripheral surface of the paper discharge driving wheel is attached to the outer peripheral surface of the paper discharge driven wheel, and the paper discharge driving motor drives the paper discharge driving wheel to rotate through a gear transmission mechanism, so that the paper discharge driving wheel and the paper discharge driven wheel cooperate with each other to discharge the paper edge cut by the edge cutting knife out of the paper cutter.
Preferably, paper feeding mechanism is including installing paper pulling roller, paper pulling pinch roller and the paper pulling driving piece in the frame, the paper pulling roller is located the below of paper pulling pinch roller, just the outer peripheral face of paper pulling roller with the outer peripheral face of paper pulling pinch roller pastes mutually, the paper pulling driving piece with paper pulling roller is connected and is used for the drive paper pulling roller rotates, so that paper pulling roller with paper pulling pinch roller mutually supports the edge the second direction will be waited to cut the paper and send to first cut the mechanism with the second cuts the mechanism.
According to the technical scheme, the paper feeding mechanism conveys the paper to be cut to the first cutting mechanism and the second cutting mechanism, the paper to be cut is firstly conveyed to the second cutting mechanism, the second driving assembly drives the second cutting knife to rotate, and the second cutting knife can be matched with the auxiliary knife to cut the paper along the second direction in the rotating process. The paper after being cut along the second direction continuously moves towards the first cutting mechanism, the first driving assembly drives the first cutting knife to rotate, and the first cutting knife can be matched with the cushion knife to cut the paper along the first direction in the rotating process. The paper cutter can finish the cutting in the second direction and the cutting in the first direction in sequence in the paper feeding process, wherein the first direction can be a longitudinal cutting direction which is the same as the moving direction of paper, and the second direction can be a transverse cutting direction which is the same as the width direction of the paper.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an assembled view of a paper cutter at a viewing angle in accordance with one embodiment of the present invention;
FIG. 2 is an assembled view of a paper trimmer according to another aspect of the present invention;
FIG. 3 is an assembly view of a first cutting mechanism in the paper cutter according to one embodiment of the present invention;
FIG. 4 is an exploded view of a first cutting mechanism in the paper cutter according to one embodiment of the present invention;
FIG. 5 is a schematic side view of a first cutting mechanism in the paper cutter according to one embodiment of the present invention;
FIG. 6 is a schematic perspective view of a first cutting blade of the paper cutter according to one embodiment of the present invention;
FIG. 7 is a schematic side view of a first cutting blade in the paper cutter according to one embodiment of the present invention;
FIG. 8 is a schematic side view of a first cutting blade in the paper cutter according to one embodiment of the present invention;
FIG. 9 is a perspective view of a paper feeding mechanism in a paper cutter according to an embodiment of the present invention;
FIG. 10 is an exploded view of a second cutting mechanism in the paper cutter according to one embodiment of the present invention;
fig. 11 is an exploded view of an edge cutting mechanism in the paper cutter according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The description of the orientations of "up", "down", "left", "right", "front", "back", etc. in the present invention, with reference to the orientations shown in fig. 1 and 2, is merely used to explain the relative positional relationship between the respective components in the postures shown in fig. 1 and 2, and if the specific posture is changed, the directional indication is changed accordingly.
The invention provides a paper cutter.
As shown in fig. 1 to 7, the paper cutter 100 of the present embodiment includes a frame 50, and a first cutting mechanism 10, a second cutting mechanism 20, and a paper feeding mechanism 30 mounted on the frame 50, wherein the first cutting mechanism 10 includes a first cutting blade 11, a backing blade 12, and a first driving assembly 13, and the first driving assembly 13 is configured to drive the first cutting blade 11 to rotate, so that the first cutting blade 11 and the backing blade 12 cooperate with each other to cut paper along a first direction; the second cutting mechanism 20 includes a second cutting blade 21, an auxiliary blade 22 and a second driving assembly 23, the second driving assembly 23 is configured to drive the second cutting blade 21 to rotate, so that the second cutting blade 21 and the auxiliary blade 22 cooperate with each other to cut the paper along a second direction, the first direction is perpendicular to the second direction, and the paper feeding mechanism 30 sends the paper 200 to be cut to the first cutting mechanism 10 and the second cutting mechanism 20 along the second direction.
The first direction of the present embodiment is the left-right direction shown in fig. 1 and 2, the left-right direction is the lateral direction, and the width direction of the sheet 200 is the lateral direction; the second direction is the front-rear direction shown in fig. 1 and 2, the front-rear direction is the longitudinal direction shown in fig. 1 and 2, the moving direction of the paper sheet 200 is the longitudinal direction, the first cutting blade 11 and the backing blade 12 of the first cutting mechanism 10 cooperate with each other to cut the paper sheet in the lateral direction, and the second cutting blade 21 and the auxiliary blade 22 of the second cutting mechanism 20 cooperate with each other to cut the paper sheet in the longitudinal direction.
Specifically, the second cutting mechanism 20 is located in front of the first cutting mechanism 10, the paper feeding mechanism 30 conveys the paper 200 to be cut from front to back, the paper 200 to be cut is firstly sent to the second cutting mechanism 20, the second driving assembly 23 drives the second cutting blade 21 to rotate, during the rotation of the second cutting blade 21, the second cutting blade can be matched with the auxiliary blade 22 to cut paper in the front-back direction, longitudinal cutting is completed, the paper 200 after longitudinal cutting continues to move backwards, the first driving assembly 13 drives the first cutting blade 11 to rotate, during the rotation of the first cutting blade 11, the first cutting blade can be matched with the cushion blade 12 to cut paper in the left-right direction, and transverse cutting is completed. The paper cutting machine 100 can finish longitudinal cutting and transverse cutting in the paper feeding process, is compatible with the longitudinal cutting and transverse cutting processes, simplifies equipment, reduces cost, improves paper cutting efficiency, is closely matched among multiple processes, reduces matched processing errors among the multiple processes, improves paper cutting effect and improves paper cutting quality.
In this embodiment, the first cutting blade 11 includes a blade main body 111 extending in a first direction, the blade main body 111 is in a cylindrical shape, the first cutting blade 11 further includes a spiral blade 112 disposed on an outer peripheral surface of the blade main body 111, and an included angle between the spiral blade 112 and an axis of the blade main body 111 is 30 ° to 15 °; the shim knife 12 includes a knife body 121 extending in a first direction and a linear blade 122 for cutting paper in the first direction in cooperation with the spiral blade 112, the linear blade 122 being formed on the knife body 121 and extending in the first direction.
Specifically, the cylindrical knife main body 111 transversely extends, a spiral cutting edge 112 is formed on the outer peripheral surface of the knife main body 111, the transverse section of the spiral cutting edge 112 in the left-right direction is in a tooth shape, an included angle between a first end and a second end of the spiral cutting edge 112 is alpha, the alpha is 30-45 degrees, the first cutting knife 11 can conveniently cut paper vertically in the rotating process, the paper cutting accuracy is improved, and the paper cutting effect is improved. The linear blade 122 of the backing blade 12 extends transversely, the backing blade 12 is stationary during the backward movement of the paper 200, the first cutting blade 11 is driven by the first driving assembly 13 to rotate, and the spiral blade 112 cooperates with the linear blade 122 to transversely cut the paper 200 during the rotation.
In this embodiment, the first cutting mechanism 10 further includes a mounting seat 15 mounted on the frame 50, the shim knife 12 is mounted on the mounting seat 15, the knife body 121 is a rectangular column, the cross section of the knife body 121 in the left-right direction is rectangular, the knife body 121 has four edges, any one of the edges of the knife body 121 forms a linear knife edge 122, a V-shaped groove 151 is formed in the mounting seat 15, the V-shaped groove 151 matches with two adjacent mounting surfaces of the knife body 121 in shape, one mounting surface of the knife body 121 is locked on the first mounting groove, the mounting surface at the other end of the knife body 121 is provided with the adjusting piece 16, the adjusting piece 16 can adjust the mounting position of the knife body 121 in the V-shaped groove 151, and the adjusting piece 16 can adopt a flat-end jackscrew in the prior art. The linear blade 122 is located below the spiral blade 112, that is, the backing blade 12 is located below the first cutting blade 11, and a paper supporting plate 14 is arranged between the backing blade 12 and the first cutting blade 11, the paper supporting plate 14 is used for supporting and leveling the paper 200 sent below the first cutting blade 11, and the paper supporting plate 14 is provided with an avoiding groove 141 for avoiding interference between the spiral blade 112 and the linear blade 122, so that the spiral blade 112 and the linear blade 122 cooperate with each other to transversely cut the paper 200.
Further, the first driving assembly 13 includes a first driving motor 131 and two bearing housings 132, and the two bearing housings 132 are spaced apart in the first direction, that is, the two bearing housings 132 are spaced apart in the left-right direction. The bearing seats 132 are installed on the installation seat 15, the first driving motor 131 is installed on the frame 50, two ends of the knife main body 111 are respectively and correspondingly installed on the two bearing seats 132 through bearings (not shown), specifically, the left end of the knife main body 111 is installed on the bearing seat 132 located on the left side through a bearing, the right end of the knife main body 111 is installed on the bearing seat 132 located on the right side through a bearing, so as to realize the rotation of the knife main body 111, and the right end of the knife main body 111 is connected with the first driving motor 131 through a coupling 133. The first driving motor 131 of this embodiment can be a servo motor in the prior art, and when the servo motor is started, the knife main body 111 and the helical blade 112 can be driven to rotate. The first cutting mechanism 10 of the embodiment adopts the servo motor to control the rotation of the helical blade 112, which belongs to the cutting mode of variable length cutting, and the cooperation of the helical blade 112 and the linear blade 122 belongs to point contact cutting, so that the cutter has small abrasion and low noise.
Since the sheet 200 continues to move backward during the crosscutting process, the angular velocity ω of the servo motor can be calculated according to the following formula in order to ensure that the spiral blade 112 always cuts the sheet 200 vertically. As shown in fig. 7 and 8, when the paper 200 moves backward at a certain speed v, the cutting point of the spiral blade 112 is shifted downward during the rotation, assuming that the cutting start point a of the spiral blade 112 is located1To the cutting end point A2A cutting time interval of t1That is, the time interval between the time when the first end of the helical blade 112 and the linear blade 122 cooperate to cut and the time when the second end of the helical blade 112 and the linear blade 122 cooperate to cut is assumed to be t1From the cutting start point A at the spiral blade 1121Rotate to the cutting end point A2The distance of the backward translation of the paper 200 is S, and the time length required for the translation of the paper 200 by S is t2Satisfy t1Is equal to t2When is at timeThe spiral blade 112 can always vertically cut the paper 200, and the paper cutting quality is ensured.
By the formula: t is t1＝360°*L1/(P*ω)，t2＝L2*tanβ/v，L2/L1Calculating ω ═ (360 ° × v)/(tan β × (β ×) cos β × (P)), where ω is the angular velocity of the servo motor (°/s), and L is the angular velocity of the servo motor2(mm) is the transverse width (mm) of the sheet 200, v (mm/s) is the translation speed of the sheet 200, β is the angle between the helical cutting edge 112 and the transverse axis of the sheet 200, β is typically 1.3 ° -1.5 °, and p (mm) is the lead of the helical cutting edge 112.
The first cutting mechanism 10 of this embodiment further includes a zero photoelectric switch 18, a protective cover 17 and a safety switch 19, the protective cover 17 is covered outside the first cutting blade 11, and the safety switch 19 can be implemented by using the prior art to control the opening or closing of the protective cover 17, which is safe and reliable. The zero position photoelectric switch 18 can adopt the prior art to realize the accurate control of the transverse cutting.
As shown in fig. 1, 2 and 10, in the present embodiment, the second cutting blade 21 is a circular driving rotary blade, the auxiliary blade 22 is a circular driven rotary blade, the second driving assembly 23 includes a second driving motor 231, the second driving motor 231 drives the second cutting blade 21 to rotate through a gear transmission mechanism, the auxiliary blade 22 is located above the second cutting blade 21, and the peripheral edge of the auxiliary blade 22 is closely attached to the peripheral edge of the second cutting blade 21. The second driving motor 231 of the present embodiment may employ a servo motor in the related art. When the servo motor is started, the second cutting knife 21 can be driven to rotate through the gear transmission mechanism, the auxiliary knife 22 is driven to rotate in the rotating process of the second cutting knife 21, and the outer peripheral cutting edge of the second cutting knife 21 and the outer peripheral cutting edge of the auxiliary knife 22 are matched with each other to longitudinally cut the paper 200. The gear transmission mechanism is a mature technology, and the specific structure of the gear transmission mechanism is not described in detail in this embodiment.
Further, the second cutting mechanism 20 of the present embodiment further includes a compression spring 24 and a baffle 25, the baffle 25 is fixed on the frame 50, one end of the compression spring 24 abuts against the baffle 25 through a steel ball 26, and the other end of the compression spring 24 is connected to the auxiliary knife 22, so that the outer circumferential edge of the auxiliary knife 22 abuts against the outer circumferential edge of the second cutting knife 21. Specifically, in order to improve the safety and the assembly convenience of the paper cutter 100, the second cutting mechanism 20 of the present embodiment further includes a guard plate 27, and the second cutting blade 21 and the auxiliary blade 22 are located between the guard plate 27 and the guard plate 25. Because the auxiliary knife 22 rotates in the paper cutting process, the axial line of the auxiliary knife 22 of the embodiment is provided with a sleeve 221, the compression spring 24 is sleeved with a guide sleeve 28, the guide sleeve 28 is installed in the sleeve 221 through a bearing, and the auxiliary knife 22 does not interfere with the compression spring 24 in the rotating process. One end of the compression spring 24 abuts against the baffle 25 through the steel ball 26, the other end of the compression spring 24 is connected with the auxiliary knife 22, and under the action of elastic restoring force of the compression spring 24, the peripheral cutting edge of the auxiliary knife 22 abuts against the peripheral cutting edge of the second cutting knife 21, so that continuous longitudinal cutting is realized, the effectiveness of paper cutting is guaranteed, and the paper cutting quality is improved. To prevent the paper 200 from jamming, the slitting speed is substantially the same as the moving speed of the paper 200 or slightly faster than the moving speed of the paper 200 by 1% -2%.
As shown in fig. 1, fig. 2 and fig. 11, in the present embodiment, the paper cutter 100 further includes an edge cutting mechanism 40, the edge cutting mechanism 40 is located at one side of the second cutting mechanism 20, and the edge cutting mechanism 40 includes an edge cutting driving assembly and two edge cutting knives 41, the edge cutting driving assembly is configured to drive the two edge cutting knives 41 to rotate simultaneously, so that the two edge cutting knives 41 cooperate with each other to cut the paper edge of the paper 200 to be cut along the second direction.
Specifically, the number of the second cutting mechanisms 20 in this embodiment is two, the two second cutting mechanisms 20 are located at the middle position on the frame 50, the number of the edge cutting mechanisms 40 in this embodiment is two, the two edge cutting mechanisms 40 are respectively located at the left side position and the right side position of the frame 50, one of the edge cutting mechanisms 40 is located at the left side of the second cutting mechanism 20 to cut the left paper edge of the paper 200, and the other edge cutting mechanism 40 is located at the right side of the second edge cutting mechanism 40 to cut the right paper edge of the paper 200. In this embodiment, the cutting edge knife 41 is a circular active rotary knife, the cutting edge driving assembly includes a cutting edge driving motor, the cutting edge driving motor drives the two cutting edge knives 41 to rotate simultaneously through the gear transmission mechanism, the two cutting edge knives 41 are arranged up and down, and the peripheral cutting edges of the two cutting edge knives 41 are attached tightly.
The trimming driving motor of this embodiment can be shared with the second driving motor 231, and the gear transmission mechanism is similar to the gear transmission mechanism of the second trimming mechanism 20, which is a mature technology, and the detailed structure of the gear transmission mechanism is not described in detail. When cutting edge driving motor starts, rotate simultaneously through two cutting edge sword 41 of gear drive, two cutting edge sword 41 pivoted in-processes, the periphery cutting edge of cutting edge sword 41 mutually supports and indulges paper 200 and cuts to cut the paper edge of paper 200, improve the cut-out paper quality, improve the effect of cutting out paper. In order to improve the safety and the assembly convenience of the paper cutter 100, the trimming mechanism 40 of the present embodiment further includes two trimming guard plates 44, and the two trimming knives 41 are positioned between the two trimming guard plates 44. In order to prevent the paper 200 from jamming, the cutting speed is substantially the same as the moving speed of the paper 200 or slightly faster than the moving speed of the paper 200 by 1-2%.
As shown in fig. 11, in the present embodiment, the edge cutting mechanism 40 further includes a paper discharge assembly, the paper discharge assembly is located below the paper cutter, the paper discharge assembly includes a paper discharge driving wheel 42, a paper discharge driven wheel 43, and a paper discharge driving motor, an outer peripheral surface of the paper discharge driving wheel 42 and an outer peripheral surface of the paper discharge driven wheel 43 are attached to each other, and the paper discharge driving motor drives the paper discharge driving wheel 42 to rotate through the gear transmission mechanism, so that the paper discharge driving wheel 42 and the paper discharge driven wheel 43 cooperate with each other to discharge the edge of the paper cut by the edge cutting knife 41 out of. Specifically, the paper discharge drive motor of the present embodiment may also be shared with the second drive motor 231. The paper edge of the paper 200 cut by the two edge cutters 41 can enter between the paper discharge driving wheel 42 and the paper discharge driven wheel 43, when the paper discharge driving motor is started, the paper discharge driving wheel 42 is driven to rotate, the paper discharge driving wheel 42 drives the paper discharge driven wheel 43 to rotate in the rotating process, and then the paper edge of the cut paper 200 is discharged out of the paper cutter 100, so that the paper cutter is convenient to collect.
As shown in fig. 1, 2 and 9, in the present embodiment, the paper feeding mechanism 30 includes a paper pulling roller 31, a paper pulling pressing roller 32 and a paper pulling driving member mounted on the frame 50, the paper pulling roller 31 is located below the paper pulling pressing roller 32, an outer peripheral surface of the paper pulling roller 31 is attached to an outer peripheral surface of the paper pulling pressing roller 32, and the paper pulling driving member is connected to the paper pulling roller 31 and is configured to drive the paper pulling roller 31 to rotate, so that the paper pulling roller 31 and the paper pulling pressing roller 32 cooperate with each other to feed the paper 200 to be cut to the first cutting mechanism 10 and the second cutting mechanism 20 along the second direction.
Specifically, the paper feeding mechanism 30 further includes a paper guide plate 33 and a plurality of paper guide rods 34, wherein the paper guide plate 33 is an arc-shaped plate, the plurality of paper guide rods 34 are located above the paper guide plate 33, and the plurality of paper guide rods 34 are sequentially arranged at intervals along the extending direction of the paper guide plate 33, so that the paper 200 is conveniently conveyed backwards along the paper guide plate 33. The paper feeding mechanism 30 further includes a paper supporting frame 35, the paper supporting frame 35 is located between the paper pulling roller 31 and the paper guide 33, the paper 200 conveyed by the paper guide 33 is conveyed to the paper pulling roller 31, the paper pulling roller 31 is driven by the paper pulling driving member to rotate, the paper pulling roller 31 drives the paper pulling pressure roller 32 to rotate in the rotating process, so as to cooperate with the paper pulling pressure roller 32 to convey the paper 200 to be cut backward, so that the paper 200 to be cut is longitudinally cut by the second cutting mechanism 20 and transversely cut by the first cutting mechanism 10, and the paper cutting process is completed. The paper pulling driving member of this embodiment can be shared with the second driving motor 231, and the second driving motor 231 can drive the paper pulling roller 31 and the paper guiding rod 34 to rotate through a synchronous belt transmission mechanism, which is also a mature technology and is not described herein. The draw roller 31 of the embodiment can be plated with emery on the outer circumferential surface, so that the friction force between the draw roller 31 and the paper 200 is increased, the paper 200 is favorably conveyed, and the outer circumferential surface of the draw pinch roller 32 is coated with rubber, so that the paper 200 is prevented from being damaged.
The first cutting blade 11 of the present embodiment can be made of high-speed steel or hard alloy steel in the prior art, and the backing blade 12, the second cutting blade 21, the auxiliary blade 22 and the edge cutting blade 41 can be made of high-speed steel or hard alloy steel in the prior art, which is easy to manufacture.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A paper cutter is characterized by comprising a rack, a first cutting mechanism, a second cutting mechanism and a paper feeding mechanism, wherein the first cutting mechanism, the second cutting mechanism and the paper feeding mechanism are mounted on the rack; the second cuts the mechanism and includes that the second cuts the sword, assists sword and second drive assembly, second drive assembly is used for the drive the second cuts the sword and rotates, so that the second cut the sword with assist the sword and mutually support and cut out paper along the second direction, first direction perpendicular to the second direction, paper feeding mechanism follows the second direction will be waited to cut out the paper and send to first cut the mechanism with the second cuts the mechanism.
2. The paper cutter according to claim 1, wherein the first cutting blade includes a blade body extending in the first direction, the blade body having a cylindrical shape, the first cutting blade further including a helical blade provided on an outer peripheral surface of the blade body, an included angle between a first end and a second end of the helical blade being 30 ° to 45 °; the cushion cutter comprises a cutter body extending along a first direction and a linear cutting edge used for being matched with the spiral cutting edge to cut paper along the first direction, and the linear cutting edge is formed on the cutter body and extends along the first direction.
3. The paper cutter of claim 2, wherein the first cutting mechanism further comprises a mounting base mounted on the frame, the bed knife is mounted on the mounting base, the knife body is a rectangular column, any one corner of the knife body forms the linear blade, and the linear blade is located below the helical blade.
4. The paper cutter according to claim 3, wherein the first driving assembly comprises a first driving motor and two bearing seats arranged at intervals along the first direction, the bearing seats are mounted on the mounting seats, the first driving motor is mounted on the frame, two ends of the knife body are respectively and correspondingly mounted on the two bearing seats through bearings, and one end of the knife body is connected with the first driving motor.
5. The paper cutter according to claim 1, wherein the second cutting blade is a circular driving rotary blade, the auxiliary blade is a circular driven rotary blade, the second driving assembly comprises a second driving motor, the second driving motor drives the second cutting blade to rotate through a gear transmission mechanism, the auxiliary blade is located above the second cutting blade, and the peripheral edge of the auxiliary blade is closely attached to the peripheral edge of the second cutting blade.
6. The paper cutter according to claim 5, wherein the second cutting mechanism further comprises a compression spring and a baffle, the baffle is fixed on the frame, one end of the compression spring abuts against the baffle through a steel ball, and the other end of the compression spring is connected with the auxiliary knife, so that the peripheral cutting edge of the auxiliary knife abuts against the peripheral cutting edge of the second cutting knife.
7. The paper cutter according to any one of claims 1-6, characterized in that the paper cutter further comprises an edge cutting mechanism, the edge cutting mechanism is located at one side of the second cutting mechanism, and the edge cutting mechanism comprises an edge cutting driving assembly and two edge cutters, the edge cutting driving assembly is used for driving the two edge cutters to rotate simultaneously, so that the two edge cutters cooperate with each other to cut the paper edge of the paper to be cut along the second direction.
8. The paper cutter according to claim 7, wherein the edge cutters are circular active rotary cutters, the edge-cutting driving assembly comprises an edge-cutting driving motor, the edge-cutting driving motor drives the two edge cutters to rotate simultaneously through a gear transmission mechanism, the two edge cutters are arranged up and down, and peripheral cutting edges of the two edge cutters are attached to each other.
9. The paper cutter of claim 7, wherein the edge cutting mechanism further comprises a paper discharge assembly, the paper discharge assembly is located below the paper cutter, the paper discharge assembly comprises a paper discharge driving wheel, a paper discharge driven wheel and a paper discharge driving motor, the outer peripheral surface of the paper discharge driving wheel is attached to the outer peripheral surface of the paper discharge driven wheel, and the paper discharge driving motor drives the paper discharge driving wheel to rotate through a gear transmission mechanism, so that the paper discharge driving wheel and the paper discharge driven wheel cooperate with each other to discharge the edge of the paper cut by the edge cutting wheel out of the paper cutter.
10. The paper cutting machine according to any one of claims 1-6, wherein the paper feeding mechanism comprises a paper pulling roller, a paper pulling pressing roller and a paper pulling driving member mounted on the frame, the paper pulling roller is located below the paper pulling pressing roller, the outer peripheral surface of the paper pulling roller is attached to the outer peripheral surface of the paper pulling pressing roller, and the paper pulling driving member is connected with the paper pulling roller and used for driving the paper pulling roller to rotate, so that the paper pulling roller and the paper pulling pressing roller are matched with each other to feed paper to be cut to the first cutting mechanism and the second cutting mechanism along the second direction.
CN201811654749.2A 2018-12-29 2018-12-29 Paper cutter Pending CN110615310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811654749.2A CN110615310A (en) 2018-12-29 2018-12-29 Paper cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811654749.2A CN110615310A (en) 2018-12-29 2018-12-29 Paper cutter

Publications (1)

Publication Number Publication Date
CN110615310A true CN110615310A (en) 2019-12-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811654749.2A Pending CN110615310A (en) 2018-12-29 2018-12-29 Paper cutter

Country Status (1)

Country Link
CN (1) CN110615310A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848500A (en) * 2021-01-21 2021-05-28 浙江赛力机械有限公司 Novel paperboard line cutting machine
CN114436030A (en) * 2021-10-18 2022-05-06 江苏中关村嘉拓新能源设备有限公司 Rotary synchronous type pole piece cutting mechanism and cutting method
CN115583522A (en) * 2022-12-12 2023-01-10 佛山翰南智能装备有限公司 Full-automatic paper cutting and classifying equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848500A (en) * 2021-01-21 2021-05-28 浙江赛力机械有限公司 Novel paperboard line cutting machine
CN114436030A (en) * 2021-10-18 2022-05-06 江苏中关村嘉拓新能源设备有限公司 Rotary synchronous type pole piece cutting mechanism and cutting method
CN114436030B (en) * 2021-10-18 2024-01-02 江苏嘉拓新能源智能装备股份有限公司 Rotary synchronous pole piece cutting mechanism and cutting method
CN115583522A (en) * 2022-12-12 2023-01-10 佛山翰南智能装备有限公司 Full-automatic paper cutting and classifying equipment
CN115583522B (en) * 2022-12-12 2023-03-24 佛山翰南智能装备有限公司 Full-automatic paper cutting and classifying equipment

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