CN217962809U

CN217962809U - Longitudinal and transverse composite knife roller

Info

Publication number: CN217962809U
Application number: CN202221951007.8U
Authority: CN
Inventors: 丁立明; 张国庆
Original assignee: Shandong Junhao Machinery Manufacturing Co ltd
Current assignee: Shandong Junhao Machinery Manufacturing Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-06
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a longitudinal and transverse composite knife roller, which comprises a roller shaft which is horizontally arranged, wherein a plurality of transverse knives and a plurality of longitudinal knife groups are annularly distributed on the roller shaft; each row of longitudinal cutter group is arranged between two adjacent transverse cutters and comprises a plurality of longitudinal blades axially arranged on the roll shaft at intervals, and the longitudinal blades are perpendicular to the roll shaft; the track curved surface formed by the cutting edge of the transverse cutter in the process of rotating around the axis of the roller shaft forms a cylindrical cutting peripheral surface, and the transverse cutter is tangent to or intersected with the cutting peripheral surface; the outer end part of the longitudinal cutter set does not exceed the cutting peripheral surface. The horizontal sword in this compound sword rotor moves about freely and quickly can transversely cut off, indulge the sword and carry out vertical cutting, has realized violently indulging dual shredding function, and simultaneously, indulges the sword and can improve the feeding strength of material and the material degree of compaction of tool bit department, improves the crushing efficiency of horizontal sword.

Description

Longitudinal and transverse composite knife roller

Technical Field

The utility model relates to a move about freely and quickly compound sword rotor.

Background

The crushing of soft straws, hard woods or canes is widely applied to the production and processing activities of biological power generation, fuels, paper making and composite materials; the existing crusher generally comprises a pressing device, a feeding device, a fixed cutter and a rotatable knife roll, wherein the fixed cutter and the rotatable knife roll are fixedly arranged, a plurality of transverse knives are arranged on the knife roll, the pressing device presses and holds materials at the knife edge of the knife roll and the fixed cutter, and then the knife roll rotates to generate a shearing effect with the fixed cutter, so that the materials are cut off.

Meanwhile, the existing knife roll is only provided with a plurality of transverse knives annularly distributed on a roll shaft, the transverse knives are approximately parallel to the knife roll, the transverse knives and the fixed knives are matched only to cut the forage into small sections or long strips at a knife edge, and the materials cut into the small sections or the long strips are directly discharged out of the pulverizer; therefore, the existing knife roll has only a chopping function and has no chopping function.

In addition, the existing crushing mechanism has the following defects in the process that the material enters the knife edge: 1. in the existing feeding, a material pressing device is adopted to press and hold materials at a knife edge, meanwhile, a toothed material stirring roller is arranged on the material pressing device, the material stirring roller presses and forcibly stirs the materials into the knife edge at one time, meanwhile, in the rotating process of the knife roller, a transverse knife also hooks and pulls the materials to the knife edge by using a knife edge, and finally, the materials are cut off at the knife edge, so that the materials are not longitudinally chopped before entering the knife edge, and the crushing effect is poor; 2. the feeding speed of the materials is nearly determined by the rotating speed of the material stirring roller and the transverse cutter, so that the feeding effect is not ideal, and partial materials can be stripped in the feeding process, so that the materials cannot enter a cutter edge quickly and cannot be cut quickly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an ability transversely cuts up and vertically cuts up garrulous dual crushing function to the material, simultaneously, can increase the feeding strength that the material got into knife edge department to improve the compound sword rotor of moving about freely and quickly of crushing effect.

In order to solve the technical problem, the utility model discloses a roller that level set up, its structural feature is: a plurality of transverse cutters and a plurality of rows of longitudinal cutter groups are annularly distributed on the roll shaft; each row of longitudinal cutter group is arranged between two adjacent transverse cutters and comprises a plurality of longitudinal blades axially arranged on the roll shaft at intervals, and the longitudinal blades are perpendicular to the roll shaft;

the track curved surface formed by the cutting edge of the transverse cutter in the process of rotating around the axis of the roller shaft forms a cylindrical cutting peripheral surface, and the transverse cutter is tangent to or intersected with the cutting peripheral surface;

the outer end part of the longitudinal cutter set does not exceed the cutting peripheral surface.

After the structure is adopted, when the knife roller rotates and crushes, the longitudinal blades can be chopped into the material in a chopping mode so as to longitudinally chop the material; meanwhile, the longitudinal blades of each row can pull or tear the materials into the knife edge between the transverse knife and the fixed knife in the process of cutting the materials, so that the feeding force of the materials and the material compactness of the knife edge are improved, and the crushing efficiency is improved; the transverse knife still cuts off the material transversely in a cutting mode; therefore, the transverse knife carries out transverse cutting and the longitudinal knife carries out longitudinal chopping, thereby realizing the functions of transverse and longitudinal double crushing.

The roll shaft is last to be equipped with two sections vertical and horizontal knife tackle of controlling adjacent setting along the axial, every vertical and horizontal knife tackle all includes that the annular distributes and sets up a plurality of root horizontal knives and a plurality of row vertical knife tackle on the roll shaft.

In order to avoid that the cross knives on the knife roll cut off the materials at the same time, so that the load of the cross knives is overlarge, and simultaneously, the running load of the machine is overlarge, and the cross knives in the left-side longitudinal and transverse knife group and the cross knives in the right-side longitudinal and transverse knife group are arranged in a mode of mutually staggering a certain angle in the circumferential direction.

In order to enable the cross knife to realize a scissor type shearing mode, namely, in the cutting process, the cross knife cuts off the material from one end of the cross knife, and then, in the rotating process of the knife roller, all knife bodies of the cross knife cut off the material in sequence, and the cross knife is inclined at a certain angle with the axis of the roller shaft.

In order to enable the left-side transverse cutter and the right-side transverse cutter to form a material stirring included angle with a certain angle, materials are stirred towards the middle of the cutter roller, the materials are prevented from leaking from two ends of the cutter roller, and the transverse cutters in the left-side longitudinal and transverse cutter set and the transverse cutters in the right-side longitudinal and transverse cutter set are arranged in a reverse inclined mode; the included angle a formed when the rotation tracks of the left transverse knife and the right transverse knife rotate to the same position is an obtuse angle smaller than 180 degrees; the obtuse opening direction is towards the cutting direction of the knife roller.

In order to conveniently install the longitudinal cutter, a plurality of longitudinal cutter fixing seats are annularly distributed on the roll shaft, each longitudinal cutter fixing seat comprises a plurality of longitudinal cutter fixing plates which are axially arranged at intervals and perpendicular to the roll shaft, and the longitudinal cutter is installed on the longitudinal cutter fixing plates through the inner end parts.

The longitudinal blade is a trapezoidal cutter body with a narrow outer end and a wide inner end, and two side edges of the trapezoidal cutter body are provided with cutting edges.

In order to facilitate installation of the transverse cutters, a plurality of rows of transverse cutter fixing seats for installing the transverse cutters are circumferentially arranged on the roller shaft at intervals, each transverse cutter fixing seat comprises a plurality of transverse cutter fixing plates which are axially arranged at intervals and perpendicular to the roller shaft, and a transverse cutter is installed at the extending end of each transverse cutter fixing plate.

A tool apron used for mounting a transverse tool is mounted on the overhanging end part of each row of transverse tool fixing plates, a mounting surface parallel to the transverse tool is arranged on the tool apron, a plurality of longitudinal elongated holes arranged at left and right intervals are formed in the transverse tool, and a threaded hole corresponding to each longitudinal elongated hole is formed in the tool apron; a pressing plate is arranged on the top surface of the tool apron, a penetrating hole corresponding to the avoiding hole is formed in the pressing plate, and the transverse tool is clamped on the tool apron through a penetrating bolt sequentially penetrating through the penetrating hole, the longitudinal strip hole and the threaded hole; and a cutter adjusting mechanism capable of adjusting the extension distance of the transverse cutter is arranged between the cutter holder and the transverse cutter.

In order to adjust the knife-out distance of the cross knife again after the knife edge of the cross knife is shortened, the knife adjustment mechanism includes an adjustment bolt screwed to the rear side of the cross knife and located on the knife holder, and the front end portion of the adjustment bolt abuts against the rear side portion of the cross knife.

To sum up, the utility model discloses simple structure, horizontal sword can transversely cut off, indulge the sword and vertically chop, has realized violently indulging the dual crushing function, and simultaneously, indulges the material compactness that the sword can improve the feeding strength of material and tool point department, improves the crushing efficiency of horizontal sword.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of an included angle a formed when the rotation trajectories of the left lateral knife and the right lateral knife rotate to the same position;

fig. 5 is a schematic perspective view of the present invention;

fig. 6 is an enlarged schematic view of a region a in fig. 5.

Detailed Description

Referring to the attached drawings, the longitudinal and transverse composite knife roll comprises a roll shaft 1 which is horizontally arranged, and a plurality of transverse knives 2 and a plurality of rows of longitudinal knife groups are annularly distributed on the roll shaft 1; each row of longitudinal knife groups are arranged between two adjacent transverse knives 2, the installation angle between each row of longitudinal knife groups and two adjacent transverse knives 2 is equal, and then a knife gap for materials to enter or be discharged is formed between each longitudinal knife group and the corresponding transverse knife 2.

As shown in fig. 5-6, in order to facilitate installation of the cross cutters 2, a plurality of rows of cross cutter fixing seats for installing the cross cutters 2 are circumferentially arranged on the roller shaft 1 at intervals, each cross cutter fixing seat comprises a plurality of cross cutter fixing plates 7 which are axially arranged at intervals and perpendicular to the roller shaft 1, gaps between every two adjacent cross cutter fixing plates 7 are communicated with cutter gaps, so that materials can be conveniently fed and discharged, and one cross cutter 2 is installed at the extending end part of each row of the cross cutter fixing plates 7; the horizontal cutter 2 is a rectangular cutter body, and the front side of the rectangular cutter body is provided with a cutting edge for cutting materials.

In order to conveniently install the longitudinal cutter, a plurality of rows of longitudinal cutter fixing seats are annularly distributed on the roller shaft 1, each row of longitudinal cutter fixing seats comprises a plurality of longitudinal cutter fixing plates 6 which are axially arranged at intervals and are perpendicular to the roller shaft 1, gaps between every two adjacent longitudinal cutter fixing plates 6 are communicated with cutter gaps, so that materials can be conveniently fed and discharged, the longitudinal blades 3 are installed on the longitudinal cutter fixing plates 6 through the inner end parts, and of course, the longitudinal blades 3 are also perpendicular to the roller shaft 1; as shown in fig. 6, the longitudinal blade 3 is a trapezoidal blade body with a narrow outer end and a wide inner end, and two side edges of the trapezoidal blade body are provided with cutting edges, which are preferably serrated; of course, there are many structures for vertically mounting the longitudinal blade 3 on the roll shaft 1, and as shown in fig. 5 to 6, a reinforcing plate horizontally arranged with the roll shaft may be directly connected to the plurality of transverse blade fixing plates 7, and the longitudinal blade fixing plate 6 may be directly welded to the reinforcing plate.

In addition, in order to facilitate installation of the transverse cutters 2 and adjustment of cutter discharging distances of the transverse cutters 2, a cutter holder 8 for installing the transverse cutters 2 is welded on the extending end of each row of the transverse cutter fixing plate 7, an installation surface parallel to the transverse cutters 2 is arranged on the cutter holder 8, a plurality of longitudinal long holes arranged at left and right intervals are formed in the transverse cutters 2, and a threaded hole corresponding to each longitudinal long hole is formed in the cutter holder 8; the top surface of the tool apron 8 is provided with a pressing plate 9, the pressing plate 9 is provided with a penetrating hole which is arranged corresponding to the avoiding hole, and the transverse tool 2 is clamped on the tool apron 8 through a penetrating bolt 10 which sequentially penetrates through the penetrating hole, the longitudinal strip hole and the threaded hole. Secondly, in order to adjust the knife-out distance of the transverse knife 2 again after the knife edge of the transverse knife 2 is short, a knife adjusting mechanism capable of adjusting the extending distance of the transverse knife 2 is arranged between the knife holder 8 and the transverse knife 2, the knife adjusting mechanism comprises an adjusting bolt 11 which is screwed on the rear side of the transverse knife 2 and is positioned on the knife holder 8, the front end part of the adjusting bolt 11 is abutted against the rear side part of the transverse knife 2, and the rear end part of the adjusting bolt 11 is provided with a screwing part for screwing the adjusting bolt 11; therefore, the cross knife 2 can be pushed to extend outwards by slightly loosening the penetrating bolt 10 and screwing the adjusting bolt 11, and then the purpose of knife adjustment is achieved.

As shown in fig. 2, the curved surface of the trajectory formed by the cutting edge of the horizontal blade 2 during the rotation around the axis of the roller shaft 1 forms a cylindrical cut outer peripheral surface 4, and the outer end of the vertical blade 3 does not exceed the cut outer peripheral surface 4; secondly, the outer diameter of the cutting peripheral surface 4 can be changed by adjusting the extending distance of the transverse cutter 2, and the transverse cutter 2 and the cutting peripheral surface 4 can be arranged tangentially or in an intersecting manner, so that the transverse cutter 2 has different cutting angles and cutting forces, and as shown in fig. 2, the transverse cutter and the cutting peripheral surface 4 are preferably arranged in an intersecting manner.

The cross knife 2 can be a long knife body extending left and right on the knife roll, certainly, two or more cross knife groups 5 adjacently arranged left and right are also provided, as shown in fig. 1-3, two sections of the cross knife groups 5 adjacently arranged left and right are preferably arranged on the roll shaft 1 along the axial direction, each cross knife group 5 comprises a plurality of cross knives 2 and a plurality of rows of longitudinal knife groups which are annularly distributed on the roll shaft 1, as shown in fig. 2, each cross knife group 5 is provided with 3

short cross knives

2 and 3 rows of longitudinal knife groups, and the two sections of the cross knife groups 5 adjacently arranged left and right can firstly avoid overlarge stress and overlarge cutting load when the cross knives 2 are overlong; in addition, in order to further avoid that the horizontal knives 2 on the knife roll cut the material at the same time, thereby causing the load of the horizontal knives 2 to be too large, and simultaneously causing the operation load of the machine to be too large and the vibration to be too large, it is preferable that the horizontal knives 2 in the left-side vertical and horizontal knife group 5 and the horizontal knives 2 in the right-side vertical and horizontal knife group 5 are arranged in a way of circumferentially staggered with a certain angle, as shown in fig. 5, the horizontal knives 2 in the left-side vertical and horizontal knife group 5 and the vertical knife groups in the right-side vertical and horizontal knife group 5 are arranged on a straight line, therefore, during the cutting process, the horizontal knives 2 on the left and right sides perform the cutting motion on the material in a left-right alternating way, and the vertical knife groups on the left and right sides perform the chopping motion on the material in a left-right alternating way.

In addition, in order to make the horizontal knife 2 implement a scissor type shearing mode, i.e. to make the horizontal knife 2 cut the material from one end of the horizontal knife 2 in the cutting process and then to make all the knife bodies of the horizontal knife 2 cut the material in succession in the rotating process of the knife roller, as shown in fig. 4, it is preferable that the horizontal knife 2 is inclined to the axis of the roller shaft 1 by a certain angle, and at the same time, the shortest distances from the two ends of the cutting edge of the horizontal knife to the axis are equal, and the angle can be implemented by adjusting the setting angle of the knife holder 8; in addition, the horizontal cutter can also adopt a spiral blade structure similar to a drill bit, so that the inclination angle can be ensured and the formation of the cutting peripheral surface can be ensured.

As shown in fig. 4, in order to make the left-side horizontal knife 2 and the right-side horizontal knife 2 form a material-stirring included angle with a certain angle, so as to increase the gripping force of the horizontal knife 2 on the material, stir the material to the middle of the knife roll, and avoid the material leakage from the two ends of the knife roll, the horizontal knife 2 in the left-side vertical and horizontal knife group 5 and the horizontal knife 2 in the right-side vertical and horizontal knife group 5 are arranged in a reverse inclination manner; namely, when the rotation tracks of the left side horizontal knife 2 and the right side horizontal knife 2 rotate to the same position, an included angle a formed is an obtuse angle smaller than 180 degrees, and the included angle a can be 170-180 degrees; secondly, the opening direction of the obtuse angle faces to the cutting direction of the cutter roller; in addition, the rotation track of the left side horizontal knife 2 and the right side horizontal knife 2 can be coincided with the track between the left side horizontal knife 2 and the right side horizontal knife 2, and then the material is prevented from leaking between the left side horizontal knife 2 and the right side horizontal knife 2, so that the pin cutting is insufficient.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims

1. The utility model provides a vertically and horizontally compound sword rotor, includes roller (1) that the level set up, its characterized in that: a plurality of transverse cutters (2) and a plurality of rows of longitudinal cutter groups are annularly distributed on the roll shaft (1); each row of longitudinal cutter group is arranged between two adjacent transverse cutters (2), each row of longitudinal cutter group comprises a plurality of longitudinal blades (3) which are axially arranged on the roll shaft (1) at intervals, and the longitudinal blades (3) are perpendicular to the roll shaft (1);

the track curved surface formed by the cutting edge of the transverse cutter (2) in the process of rotating around the axis of the roller shaft (1) forms a cylindrical cutting peripheral surface (4), and the transverse cutter (2) and the cutting peripheral surface (4) are arranged in a tangent or intersecting manner;

the outer end part of the longitudinal cutter group does not exceed the cutting peripheral surface (4).

2. The longitudinal and transverse composite knife roll as claimed in claim 1, characterized in that two longitudinal and transverse knife groups (5) which are adjacently arranged left and right are axially arranged on the roll shaft (1), and each longitudinal and transverse knife group (5) comprises a plurality of transverse knives (2) and a plurality of longitudinal knife groups which are annularly distributed on the roll shaft (1).

3. The longitudinal and transverse compound knife roller as claimed in claim 2, characterized in that the transverse knives (2) in the left longitudinal and transverse knife group (5) and the transverse knives (2) in the right longitudinal and transverse knife group (5) are arranged in a staggered way at a certain angle in the circumferential direction.

4. The longitudinal and transverse compound knife roller as claimed in claim 2, characterized in that the transverse knife (2) is inclined at a certain angle with the axis of the roll shaft (1).

5. The longitudinal and transverse compound knife roller according to claim 4, characterized in that the transverse knife (2) in the left longitudinal and transverse knife group (5) and the transverse knife (2) in the right longitudinal and transverse knife group (5) are arranged in a reverse inclination way; an included angle a formed when the rotation tracks of the left transverse knife (2) and the right transverse knife (2) rotate to the same position is an obtuse angle smaller than 180 degrees; the obtuse opening direction is towards the cutting direction of the knife roller.

6. The longitudinal and transverse compound knife roller according to any one of claims 1 to 5, characterized in that a plurality of rows of longitudinal knife fixing seats are annularly distributed on the roll shaft (1), each row of longitudinal knife fixing seats comprises a plurality of longitudinal knife fixing plates (6) which are axially arranged at intervals and are perpendicular to the roll shaft (1), and the longitudinal knife blades (3) are arranged on the longitudinal knife fixing plates (6) through inner end parts.

7. The longitudinal and transverse compound knife roll as claimed in claim 6, characterized in that the longitudinal blade (3) is a trapezoidal knife body with a narrow outer end and a wide inner end, and the two side edges of the trapezoidal knife body are provided with cutting edges.

8. The longitudinal and transverse compound knife roll according to any one of claims 1 to 5, characterized in that a plurality of rows of transverse knife fixing seats for mounting the transverse knives (2) are arranged on the roll shaft (1) at intervals in the circumferential direction, each transverse knife fixing seat comprises a plurality of transverse knife fixing plates (7) which are arranged at intervals in the axial direction and are perpendicular to the roll shaft (1), and one transverse knife (2) is mounted at the extending end of each row of transverse knife fixing plates (7) together.

9. The longitudinal and transverse compound knife roller according to claim 8, characterized in that the overhanging end of each row of the transverse knife fixing plate (7) is provided with a knife seat (8) for mounting the transverse knife (2), the knife seat (8) is provided with a mounting surface parallel to the transverse knife (2), the transverse knife (2) is provided with a plurality of longitudinal elongated holes arranged at left and right intervals, and the knife seat (8) is provided with a threaded hole corresponding to each longitudinal elongated hole; a pressing plate (9) is arranged on the top surface of the tool apron (8), a penetrating hole corresponding to the avoiding hole is formed in the pressing plate (9), and the transverse tool (2) is clamped on the tool apron (8) through a penetrating bolt (10) which sequentially penetrates through the penetrating hole, the longitudinal strip hole and the threaded hole; a knife adjusting mechanism capable of adjusting the extending distance of the transverse knife (2) is arranged between the knife holder (8) and the transverse knife (2).

10. The longitudinal and transverse compound knife roller according to claim 9, characterized in that the knife adjusting mechanism comprises an adjusting bolt (11) which is screwed on the rear side of the cross knife (2) and is positioned on the knife seat (8), and the front end part of the adjusting bolt (11) is abutted against the rear side part of the cross knife (2).