Cutter structure and filament cutter feed system

文档序号：412441 发布日期：2021-12-21 浏览：22次中文

阅读说明：本技术 切刀结构及切丝机进刀系统 (Cutter structure and filament cutter feed system ) 是由张小东李彪孙豪肖铁岭刘敏李辉于 2020-06-18 设计创作，主要内容包括：本发明公开了一种切刀结构,托刀板与压刀板含住切刀片,其位置恰好露出切刀片的刀刃合理长度,调节板上端与压刀板后部固定,下端同托刀板后部联结；当需要调节切刀片前端探出长度时,只需拧松第一螺栓及第二螺栓,拧转调节螺栓增加调节螺栓前端向前探出调节板的长度,由于压刀板中部及托刀板中部均为前后长腰型孔,调节板会带动压刀板和托刀板向后退,使切刀片前端探出长度变长,实现切刀伸出长度的调整。该切刀结构,通过退后压刀板及托刀板的调整方式,实现切刀片伸出长度在合理范围内的调整,调节方便,结构简单,易于加工制作安装,维护成本低。本发明还公开了一种包括该切刀结构的切丝机进刀系统。本发明能够满足卷烟企业卷烟新产品研发的实验线切丝机需求。(The invention discloses a cutter structure.A cutter supporting plate and a cutter pressing plate contain a cutter blade, the position of the cutter supporting plate and the position of the cutter pressing plate just expose the cutter edge of the cutter blade for reasonable length, the upper end of an adjusting plate is fixed with the rear part of the cutter pressing plate, and the lower end of the adjusting plate is connected with the rear part of the cutter supporting plate; when the length of the front end of the cutter blade is required to be adjusted to extend out, only the first bolt and the second bolt need to be unscrewed, the adjusting bolt is screwed to increase the length of the adjusting bolt, the front end of the adjusting bolt extends out of the adjusting plate forwards, and the adjusting plate can drive the cutter pressing plate and the cutter supporting plate to move backwards due to the fact that the middle part of the cutter pressing plate and the middle part of the cutter supporting plate are front and back long waist-shaped holes, so that the length of the front end of the cutter blade extending out is lengthened, and the length of the cutter blade extending out is adjusted. This cutter structure through the adjustment mode of withdrawing pressure cutting board and support cutting board, realizes the adjustment of cutter blade extension length at reasonable within range, and it is convenient to adjust, simple structure, easily processing preparation installation, and the maintenance cost is low. The invention also discloses a feeding system of the filament cutter comprising the cutter structure. The invention can meet the requirement of an experimental line shredder for the research and development of new cigarette products of cigarette enterprises.)

1. A cutter structure is characterized by comprising a fixing block (20), a cutting blade (101), a cutter pressing plate (102), a cutter supporting plate (103), an adjusting plate (104) and an adjusting bolt (105);

the fixed block (20) is a cuboid;

the upper side surface of the front part of the fixed block (20) is concave downwards to form a clamping groove (201);

the cutting blade (101) is rectangular, and the front end of the cutting blade is a cutting edge;

the rear part of the cutting blade (101) is fixed to a clamping groove (201) of the fixing block (20);

the middle part of the knife pressing plate (102) is fixed to the upper side surface of the rear part of the fixed block (20) by a first bolt (106) penetrating through a front and rear long waist-shaped hole in the middle part of the knife pressing plate (102) and in threaded fit with a first screw hole (203) formed in the upper side of the rear part of the fixed block (20);

the middle part of the cutter supporting plate (103) is fixed to the lower side surface of the rear part of the fixed block (20) by a second bolt (107) penetrating through a front and rear long waist-shaped hole in the middle part of the cutter supporting plate (103) and in threaded fit with a second screw hole (204) formed in the lower side of the rear part of the fixed block (20);

the front part of the knife pressing plate (102) is pressed on the upper side surface of the cutting blade (101);

the front part of the cutter supporting plate (103) is pressed on the lower side surface of the cutting blade (101);

the front end of the cutting blade (101) can extend out of the front sides of the knife pressing plate (102) and the knife supporting plate (103);

an adjusting plate (104) is vertically fixed on the lower side surface of the rear part of the knife pressing plate (102);

the lower end of the adjusting plate (104) is connected with the rear part of the cutter supporting plate (103);

a third screw hole is formed in the adjusting plate (104);

the adjusting bolt (105) is connected and fixed to the adjusting plate (104) through a third screw hole in a threaded fit mode, and the front end of the adjusting bolt (105) can abut against the rear side face of the fixing block (20).

2. The cutter structure according to claim 1,

a lug (1031) is formed on the upper side surface of the rear part of the cutter supporting plate (103);

the lower end of the adjusting plate (104) is positioned between the lug (1031) and the rear side surface of the fixing block (20);

the length that the front end of the adjusting bolt (105) extends out of the adjusting plate (104) forwards is increased by screwing the adjusting bolt (105), the front end of the adjusting bolt (105) can abut against the rear side face of the fixing block (20), the rear side face of the lower end of the adjusting plate (104) abuts against the front side face of the projection (1031), and the lower end of the adjusting plate (104) is connected with the rear part of the knife supporting plate (103).

3. The cutter structure according to claim 2,

a limit groove (1032) is formed on the upper side surface of the rear part of the knife supporting plate (103) adjacent to the front side of the lug (1031);

the front-back thickness of the lower end of the adjusting plate (104) is smaller than the front-back length of the limiting groove (1032);

the lower end of the adjusting plate (104) is positioned in the limiting groove (1032), so that the lower end of the adjusting plate (104) is connected with the rear part of the cutter supporting plate (103).

4. The cutter structure according to claim 1,

the part of the cutting blade (101) fixed in the clamping groove (201) of the fixed block (20) is 2/7-3/7 of the front and back total length of the cutting blade (101).

5. The cutter structure according to claim 1,

a third screw hole (202) is formed at the position of a side clamping groove (201) on the front part of the fixed block (20);

the rear part of the cutting blade (101) is fixed to a clamping groove (201) of the fixing block (20) through a countersunk head screw matched with the third screw hole (202).

6. The cutter structure according to claim 1,

the screw rod between the head parts of the first bolt (106) and the second bolt (107) and the fixed block (20) is sleeved with a disc-shaped elastic sheet (108).

7. A shredder feed system comprising the cutter structure according to any one of claims 1 to 6, characterized in that the shredder feed system further comprises a cutter head base (2);

the cutter head base body (2) is in a circular plate shape;

at least 2 rectangular holes (21) are uniformly formed in the cutter head base body (2) around the axis;

a cutter structure (1) is respectively arranged in each rectangular hole (21);

the left end and the right end of a fixing block (20) of the cutter structure (1) are respectively fixed to a far axial side wall and a near axial side wall of a rectangular hole (21), and the fixing block (20) and the cutter head base body (2) are 3^O～30⁰The included angle, the front end of cutting blade (101) can stretch out the front side of blade disc base member (2).

8. The shredder feed system according to claim 7,

the fixed block (20) and the cutter head base body (2) are integrally formed and fixed together.

9. The shredder feed system according to claim 7,

the feeding system of the tobacco cutter also comprises a cutter driving device (3), a connecting seat frame (4), a sliding block (5), a guide rail (6), a locker (7), a feeding driving device (9) and a base (16);

the cutter driving device (3) is used for driving the cutter head base body (2) to rotate around the axial center;

the cutter driving device (3) is fixed on the connecting seat frame (4);

the lower end of the connecting seat frame (4) is fixedly connected with the sliding block (5);

the sliding block (5) is arranged on the guide rail (6) and can move back and forth along the guide rail (6);

the guide rail (6) and the feeding driving device (9) body are fixedly arranged on the base (16);

the driving rod of the feeding driving device (9) is connected with the connecting seat frame (4);

the locker (7) is connected with the connecting seat frame (4);

the locker (7) is of a pneumatic control normally closed type, the electromagnetic valve is controlled to close compressed air in a working state, the locker (7) locks the guide rail (6), and the connecting seat frame (4) is fixed, so that the cutter driving device (3) is fixed; when feeding adjustment is needed, the electromagnetic valve is controlled to open compressed air, the locker (7) is ventilated and opened, and locking is invalid.

10. The shredder feed system according to claim 9,

the feeding system of the tobacco cutter also comprises a displacement detector (12), a cutter head detection sensor (14) and a controller;

the displacement detector (12) is arranged on the base (16) and is used for detecting the feeding distance of the connecting seat frame (4) driven by the feeding driving device (9);

the cutter head detection sensor (14) is arranged on the front side of the cutter head base body (2) and is used for detecting whether the front end of a cutting blade (101) of a cutting knife structure (1) on the cutter head base body (2) extends out of a set position on the front side of the cutter head base body (2);

the controller is used for controlling the driving rod of the feeding driving device (9) to feed for a set distance; and if the feeding distance of the connecting seat frame (4) detected by the displacement detector (12) is consistent with the set distance, and the cutter head detection sensor (14) detects that the front end of the cutting blade (101) of the cutter structure (1) on the cutter head base body (2) extends out of the set position on the front side of the cutter head base body (2), a cutting start signal is output to control the cutter driving device (3) to start working, and the cutter head base body (2) is driven to rotate around the axis.

11. The shredder feed system of claim 10,

the tool bit detection sensor (14) is fixedly arranged on the third bracket (15);

the third bracket (15) is fixed on the wall plate;

the base (16) is fixed on the ground;

the wall plate is vertically fixed on the ground and can move up and down;

the feeding driving device (9) is fixed on the base (16) through a first bracket 11;

the displacement detector (12) is fixedly arranged on the base (16) through a second bracket (13);

the driving rod of the feeding driving device (9) is connected with the connecting seat frame (4) through a first connecting block (10);

the locker (7) is connected with the connecting seat frame (4) through a second connecting block (8).

12. The shredder feed system of claim 10,

the cutter driving device (3) comprises a driving shaft (301), a bearing seat (302), a tapered roller bearing (303), a coupling (304) and a speed reducer (305);

the driving shaft (301) is fixed with the central shaft of the cutter head base body (2) in a spline connection mode;

the bearing seat (302) is arranged on the connecting seat frame (4);

a pair of tapered roller bearings (303) are arranged in the bearing seat (302);

the driving shaft (301) is axially installed and positioned through the pair of tapered roller bearings (303), and the pair of tapered roller bearings (303) are oppositely installed to bear the radial load of the cutter head base body (2);

the speed reducer (305) is arranged on the connecting seat frame (4) and is connected with the driving shaft (301) through a coupler (304) to realize the rotary motion of the cutter head base body (2).

Technical Field

The invention relates to tobacco processing machinery, in particular to a cutter structure for an experimental line shredder and a cutter feeding system of the shredder.

Background

The filament cutter commonly used in the experimental lines of the cigarette enterprises at home and abroad at present is realized by a method of shortening the width of a cutter gate through a conventional filament cutter, and the cutter head structure and the feed system of the filament cutter have the disadvantages of complex mechanical structure, high manufacturing precision, inconvenience in installation and high maintenance cost, and are difficult to meet the research and development requirements of new products of cigarettes.

Disclosure of Invention

The invention aims to solve the technical problem that the requirement of an experimental line shredder for the research and development of new cigarette products of cigarette enterprises can be met, and the experimental line shredder is convenient to adjust, simple in structure, easy to process, manufacture and install and low in maintenance cost.

In order to solve the technical problem, the cutter structure provided by the invention comprises a fixed block 20, a cutter blade 101, a cutter pressing plate 102, a cutter supporting plate 103, an adjusting plate 104 and an adjusting bolt 105;

the fixed block 20 is a cuboid;

a clamping groove 201 is formed on the upper side surface of the front part of the fixing block 20;

the cutting blade 101 is rectangular, and the front end of the cutting blade is a cutting edge;

the rear part of the cutting blade 101 is fixed to a clamping groove 201 of the fixing block 20;

the middle part of the pressing knife plate 102 is fixed on the upper side surface of the rear part of the fixed block 20 by a first bolt 106 which passes through a front and rear long waist-shaped hole in the middle part of the pressing knife plate 102 and is in threaded fit with a first screw hole 203 formed on the upper side of the rear part of the fixed block 20;

the middle part of the cutter supporting plate 103 is fixed to the lower side surface of the rear part of the fixed block 20 by a second bolt 107 which passes through a front and rear long waist-shaped hole in the middle part of the cutter supporting plate 103 and is in threaded fit with a second screw hole 204 formed in the lower side of the rear part of the fixed block 20;

the front part of the cutter pressing plate 102 is pressed on the upper side surface of the cutting blade 101;

the front part of the cutter supporting plate 103 is pressed on the lower side surface of the cutting blade 101;

the front end of the cutting blade 101 can extend out of the front sides of the knife pressing plate 102 and the knife supporting plate 103;

an adjusting plate 104 is vertically fixed on the lower side surface of the rear part of the knife pressing plate 102;

the lower end of the adjusting plate 104 is connected with the rear part of the cutter supporting plate 103;

a third screw hole is formed in the adjusting plate 104;

the adjusting bolt 105 is fixed to the adjusting plate 104 through a third screw hole in a screw-fit manner, and the front end of the adjusting bolt 105 can abut against the rear side surface of the fixing block 20.

Preferably, a projection 1031 is formed on the upper side surface of the rear portion of the knife rest plate 103;

the lower end of the adjusting plate 104 is located between the protrusion 1031 and the rear side of the fixing block 20;

the length that the front end of the adjusting bolt 105 protrudes forward out of the adjusting plate 104 is increased by turning the adjusting bolt 105, so that the front end of the adjusting bolt 105 abuts against the rear side surface of the fixing block 20, the rear side surface of the lower end of the adjusting plate 104 abuts against the front side surface of the projection 1031, and the lower end of the adjusting plate 104 is coupled with the rear part of the knife supporting plate 103.

Preferably, a limit groove 1032 is formed on the upper side surface of the rear part of the knife supporting plate 103 adjacent to the front side of the projection 1031;

the front-back thickness of the lower end of the adjusting plate 104 is smaller than the front-back length of the limiting groove 1032;

the lower end of the adjusting plate 104 is positioned in the limiting recess 1032, so that the lower end of the adjusting plate 104 is coupled to the rear of the knife rest plate 103.

Preferably, the portion of the cutting blade 101 fixed in the slot 201 of the fixing block 20 is 2/7 to 3/7 of the front and rear total length of the cutting blade 101.

Preferably, a third screw hole 202 is formed at the upper side surface slot 201 at the front part of the fixing block 20;

the rear portion of the cutting insert 101 is fixed to the catching groove 201 of the fixing block 20 by means of a countersunk screw fitted to the third screw hole 202.

Preferably, the screw rod between the head of the first bolt 106 and the head of the second bolt 107 and the fixed block 20 is sleeved with a disc-shaped elastic sheet 108.

In order to solve the technical problem, the invention provides a shredder feed system comprising the cutter structure, and the shredder feed system also comprises a cutter head base body 2;

the cutter head base body 2 is in a circular plate shape;

at least 2 rectangular holes 21 are uniformly formed in the cutter head base body 2 around the axis;

a cutter structure 1 is respectively arranged in each rectangular hole 21;

the left end and the right end of a fixing block 20 of the cutter structure 1 are respectively fixed to a far axial side wall and a near axial side wall of a rectangular hole 21, the fixing block 20 and the cutter head base body 2 form an included angle of 3-30 degrees, and the front end of the cutting blade 101 can extend out of the front side of the cutter head base body 2.

Preferably, the fixed block 20 and the cutter head base body 2 are integrally formed and fixed together.

Preferably, the feeding system of the filament cutter further comprises a cutter driving device 3, a connecting seat frame 4, a slide block 5, a guide rail 6, a locker 7, a feeding driving device 9 and a base 16;

the cutter driving device 3 is used for driving the cutter head matrix 2 to rotate around the axis;

the cutter driving device 3 is fixed on the connecting seat frame 4;

the lower end of the connecting seat frame 4 is fixedly connected with the sliding block 5;

the slide block 5 is arranged on the guide rail 6 and can move back and forth along the guide rail 6;

the guide rail 6 and the feeding driving device 9 are both fixedly arranged on the base 16;

the driving rod of the feeding driving device 9 is connected with the connecting seat frame 4;

the locker 7 is connected with the connecting seat frame 4;

the locker 7 is of a pneumatic control normally closed type, the electromagnetic valve is controlled to close compressed air in a working state, the locker 7 locks the guide rail 6, and the connecting seat frame 4 is fixed, so that the position of the cutter driving device 3 is fixed; when feeding adjustment is needed, the electromagnetic valve is controlled to open compressed air, the locker 7 is ventilated and opened, and locking is invalid.

Preferably, the feeding system of the filament cutter further comprises a displacement detector 12, a cutter head detection sensor 14 and a controller;

the displacement detector 12 is arranged on the base 16 and is used for detecting the feeding distance of the connecting seat frame 4 driven by the feeding driving device 9;

the cutter head detection sensor 14 is arranged on the front side of the cutter head base body 2 and is used for detecting whether the front end of a cutting blade 101 of a cutting knife structure 1 on the cutter head base body 2 extends out of a set position on the front side of the cutter head base body 2;

the controller is used for controlling the driving rod of the feeding driving device 9 to feed for a set distance; and if the feeding distance of the connecting seat frame 4 detected by the displacement detector 12 is consistent with the set distance and the cutter head detection sensor 14 detects that the front end of the cutting blade 101 of the cutter structure 1 on the cutter head base body 2 protrudes to the set position on the front side of the cutter head base body 2, a cutting start signal is output to control the cutter driving device 3 to start working and drive the cutter head base body 2 to rotate around the axis.

Preferably, the tool bit detection sensor 14 is fixedly mounted on the third bracket 15;

the third bracket 15 is fixed on the wall plate;

the base 16 is fixed on the ground;

the wall plate is vertically fixed on the ground and can move up and down;

the feeding driving device 9 is fixed on the base 16 through a first bracket 11;

the displacement detector 12 is fixedly arranged on a base 16 through a second bracket 13;

the driving rod of the feeding driving device 9 is connected with the connecting seat frame 4 through a first connecting block 10;

the locker 7 is coupled to the connecting bracket 4 through a second coupling block 8.

Preferably, the cutter driving device 3 includes a driving shaft 301, a bearing seat 302, a tapered roller bearing 303, a coupling 304, and a speed reducer 305;

the driving shaft 301 is fixed with the central shaft of the cutter head base body 2 in a spline connection mode;

the bearing seat 302 is arranged on the connecting seat frame 4;

a pair of tapered roller bearings 303 are mounted in the bearing housing 302;

the driving shaft 301 is axially installed and positioned through the pair of tapered roller bearings 303, and the pair of tapered roller bearings 303 are oppositely installed to bear the radial load of the cutter head base body 2;

the speed reducer 305 is mounted on the connecting seat frame 4 and coupled to the drive shaft 301 through the coupling 304, thereby realizing the rotational movement of the cutter head base body 2.

According to the cutter structure, the cutter supporting plate 103 and the cutter pressing plate 102 contain the cutter blade 101, the position of the cutter supporting plate and the position of the cutter pressing plate just expose the cutter edge of the cutter blade 101 for a reasonable length, the upper end of the adjusting plate 104 is fixed with the rear part of the cutter pressing plate 102, and the lower end of the adjusting plate is connected with the rear part of the cutter supporting plate 103; when the protruding length of the front end of the cutting blade 101 needs to be adjusted, only the first bolt 106 and the second bolt 107 need to be unscrewed, the adjusting bolt 105 is screwed to increase the length of the adjusting bolt 105, the front end of the adjusting bolt 105 protrudes forwards to the adjusting plate 104, and the adjusting plate 104 can drive the cutter pressing plate 102 and the cutter supporting plate 103 to move backwards due to the fact that the middle part of the cutter pressing plate 102 and the middle part of the cutter supporting plate 103 are front and back long waist-shaped holes, so that the protruding length of the front end of the cutting blade 101 is lengthened, and the protruding length of the cutter is adjusted. This cutter structure 1, through the adjustment mode of withdrawing pressure cutting board 102 and support cutting board 103, realizes the adjustment of cutter blade 101 extension length at reasonable within range, and it is convenient to adjust, simple structure, easily processing preparation installation, and the maintenance cost is low. The cutter structure 1 and the cutter feeding system of the tobacco cutter can meet the requirements of experimental line tobacco cutters for the research and development of new cigarette products of cigarette enterprises.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of one embodiment of a cutter structure of the present invention;

FIG. 2 is a front perspective view of an embodiment of a feeding system of a shredder according to the present invention;

FIG. 3 is a left side view of one embodiment of a feed system of a shredder according to the present invention;

FIG. 4 is a schematic view of a cutter driving device according to an embodiment of the present invention.

Description of reference numerals:

1, a cutter structure; 101 a cutting blade; 102 pressing a cutter plate; 103 supporting a cutter plate; 104 adjusting plate; 105 an adjusting bolt; 106 a first bolt; 107 second bolt; 108 disc-shaped elastic sheets; 1031 bump; 1032 limiting grooves; 20, fixing blocks; 201 card slot; 202 a third screw hole; 203 a first screw hole; 204 second screw holes; 2, a cutter head base body; 21 a rectangular hole; 3 a cutter driving device; 4 connecting the seat frame; 5, a sliding block; 6, a guide rail; 7, a locker; 9 a feed drive; 16 bases; 12 a displacement detector; 14 tool bit detection sensors; 15 a third support; 11 a first support; 13 a second bracket; 10 a first connecting block; 8 a second connecting block; 301 a drive shaft; 302 bearing seats; 303 tapered roller bearings; 304 a coupler; 305 a speed reducer.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

Example one

As shown in fig. 1, the cutter structure 1 includes a fixing block 20, a cutter blade 101, a cutter pressing plate 102, a cutter supporting plate 103, an adjusting plate 104 and an adjusting bolt 105;