CN210879873U - Cutter head and cutting device - Google Patents
Cutter head and cutting device Download PDFInfo
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- CN210879873U CN210879873U CN201921688047.6U CN201921688047U CN210879873U CN 210879873 U CN210879873 U CN 210879873U CN 201921688047 U CN201921688047 U CN 201921688047U CN 210879873 U CN210879873 U CN 210879873U
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- cutter head
- spokes
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- cutter
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Abstract
The utility model discloses a cutter head is the disc structure that has the centre ring, be equipped with a plurality of main holes of cutting between the edge ring of centre ring and cutter head, the area of main hole of cutting is steadilyd decrease to the edge by the center in proper order. The area of the main cutting hole close to the center ring on the cutter head is large, the area of the main cutting hole at the edge ring of the cutter head is small, the number of the gap spokes between the main cutting holes can be reduced, when the cutter and the cutting hole shear materials, the positions of the materials such as fiber-shaped materials, ribbon-shaped materials and the like which are not completely cut off and stop on the cutter head are reduced, other materials can be followed, and the winding of the materials on the transmission shaft is reduced.
Description
Technical Field
The utility model relates to the environmental protection trade, mud, straw cutting device equipment, concretely relates to blade disc that cutting equipment used.
Background
The existing cutting equipment comprises a cutter and a cutter disc, wherein the cutter is a movable cutter, the cutter disc is a fixed cutter, cutting holes with the same size are formed in the cutter disc, and the cutter is tightly attached to the cutter disc to form a shearing effect with the cutting holes. When the cutting equipment is used for cutting materials such as straws, sludge or other plant rhizomes, thin fibers in the plant rhizomes can stay in a gap between cutting holes in the cutter disc and a crack attached to the cutter after being cut, and the thin fibers are difficult to pass through the cutting holes in the cutter disc. Along with the rotation of transmission shaft, the material that has the fibre can twine blade disc and cutter junction gradually, and the department twines banded thing such as pile up fibre around the transmission shaft, influences cutting quality, if not in time clear up, damages cutting equipment easily.
SUMMERY OF THE UTILITY MODEL
The utility model discloses be difficult to provide a blade disc through the problem of the cut hole on the blade disc when cutting to the belt material among the present cutting equipment.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a cutter head is of a disc structure with a center ring, a plurality of main cutting holes are formed between the center ring and an edge ring of the cutter head, and the area of each main cutting hole is gradually reduced from the center to the edge.
The cutter disc that this scheme provided is used on cutting equipment, and with cutter contact each other, main cutting hole and cutter on the cutter disc form the shearing effect and cut the material. The contact surface of the rotating cutter and the cutter head is an effective cutting surface, the cutting hole close to the center ring is larger, the cutting hole is spirally decreased towards the edge, and the cutting hole at the edge ring of the cutter head is smaller.
The main cutting hole close to the center ring is the main cutting position for cutting materials by the cutter and the cutting hole, and the main cutting hole with a large area is formed in the main cutting hole, so that materials in fiber shapes, belt shapes and the like can better pass through the cutting hole after being cut, and winding is reduced. And the cutting hole with large area is arranged at the central cutting position, so that the number of the gap spokes between the main cutting holes can be reduced, when the cutter and the cutting hole shear materials, the positions where the broken fibrous and banded materials are not completely cut and stay on the cutter head are reduced, other materials can be followed to pass through the cutting hole together, and the winding of the cutting hole on the transmission shaft is reduced.
Furthermore, a plurality of radial spiral spokes are uniformly divided into a plurality of spiral areas between the center ring and the edge ring, and each spiral area is divided into a plurality of main cutting holes by a dividing spoke crossed with the spiral spoke.
A plurality of main cutting holes are formed by dividing the radial spiral spokes and the dividing spokes, more main cutting holes can be divided in an effective cutting area of the cutter head, and the area of the cutter head is effectively utilized.
Further, the division spokes are located on the normal line of the spiral spoke.
The division spokes on two adjacent normal lines can divide the spiral area formed by the spiral spokes into a plurality of trapezoidal main cutting holes.
The upper bottom of the trapezoidal main cutting hole faces the center ring, the outer bottom faces the edge ring of the cutter head, the disc structure can be better adapted, the area of the cutter head is effectively utilized, and the main cutting hole with a large area is formed.
Furthermore, triangular secondary cutting holes are formed between the dividing spokes adjacent to the central ring and the spiral spokes adjacent to the central ring.
The main hole of cutting of adopting great area in the above-mentioned scheme can reduce the winding of certain fibre to the transmission shaft when the cutting, but along with cutting equipment work for a long time, a small amount of fibre still can be piled up in transmission shaft department. When the fibers are stacked to a certain threshold value, the triangular secondary cutting holes arranged between the outer side of the central ring and the main cutting holes can perform secondary cutting on the stacked fibers, and then the fibers are discharged through the secondary cutting holes, so that the normal operation of the cutting equipment is ensured.
Preferably, in the above scheme, the number of the radial spiral spokes is 3-6.
The arrangement of a plurality of spiral spokes between the center ring and the edge ring of the cutter head can divide the cutter head into four spiral areas, and each spiral area is divided into a plurality of main cutting holes by the dividing spokes crossed with the spiral spokes.
The number of the spokes can be modified according to the size of the cutter head, the rotating speed of the cutter and the cut material, and the number of the spokes and the number of the crossed spokes determine the area of the main cutting hole to adapt to different cut materials.
The cutter head is applied to cutting equipment and mainly used for cutting sludge, straws and the like, the four spiral spokes and the cutting spokes divide the main cutting holes, and the main cutting holes with larger areas are kept at the main cutting positions around the central ring, so that the cutter head can be better adapted to materials to be cut.
The utility model also provides a cutting equipment.
A cutting device comprises a transmission shaft, a cutter and the cutter disc in the scheme.
Furthermore, the transmission shaft adopts a symmetrical slotted structure.
The transmission shaft adopts the slotted structure of symmetry, and when fibrous material winding transmission shaft, under the effect of winding force, winding material can break off at the notch, guarantees cutting equipment's normal operating.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the area of the main cutting hole close to the center ring on the cutter head is large, the area of the main cutting hole at the edge ring of the cutter head is small, the number of the gap spokes between the main cutting holes can be reduced, when the cutter and the cutting hole shear materials, the positions of the materials such as fiber-shaped materials, ribbon-shaped materials and the like which are not completely cut off and stop on the cutter head are reduced, other materials can be followed, and the winding of the materials on the transmission shaft is reduced.
2. The division spokes on two adjacent normal lines can divide the spiral area formed by the spiral spokes into a plurality of trapezoidal main cutting holes. The upper bottom of the trapezoidal main cutting hole faces the center ring, the outer bottom faces the edge ring of the cutter head, the disc structure can be better adapted, the area of the cutter head is effectively utilized, and a plurality of main cutting holes with large areas are formed.
3. The triangular auxiliary cutting holes arranged between the outer side of the center ring and the main cutting holes can perform secondary cutting on the accumulated fibers, and then the fibers are discharged through the auxiliary cutting holes, so that the normal operation of the cutting equipment is ensured.
Description of the drawings:
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an isometric view of example 2.
The labels in the figure are: 1 cutter head edge ring, 2 center rings, 3 main cutting holes, 4 auxiliary cutting holes, 5 fixing holes, 6 cutters, 7 transmission shafts, 8 spiral spokes and 9 segmentation spokes.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
The present embodiment provides a cutter head, as shown in fig. 1, the cutter head is a disk structure, and includes 1 a cutter head edge ring and a center ring 2 located in the center of the cutter head.
Four spiral spokes 8 are arranged between the central ring 2 and the cutter head edge ring 1, and the cutter head is divided into four spiral areas by the four spiral spokes 8.
The helical spokes 8 can be provided with 3-6, preferably 4 in this embodiment.
The number of the spokes 8 can be modified according to the size of the cutter head, the rotating speed of the cutter and the cut material, and the number of the spokes and the number of the crossed spokes determine the area of the main cutting hole 3 to adapt to different cut materials.
The normal line of the position of the spiral line of the spiral spoke 8 is provided with a division spoke 9, and each spiral area is divided into a plurality of main cutting holes 3 with different sizes by a plurality of division spokes 9.
The area of the main cutting hole 3 close to the central ring 1 is the largest, and the area of the main cutting hole 3 is gradually reduced from the center to the edge.
The main cutting holes 3 are trapezoidal, the upper bottoms of the trapezoidal main cutting holes 3 face the central ring, the outer bottoms of the trapezoidal main cutting holes 3 face the edge ring of the cutter head, the disc structure can be better adapted, and the area of the cutter head is effectively utilized.
The partition spokes 9 next to the centering ring 2 form triangular undercut holes 4 with the centering ring 2 and the helical spokes 8 next to the centering ring.
Example 2
As shown in fig. 2, comprises a cutter 6 and a transmission shaft 7, and also comprises a cutter head in the embodiment 1.
The transmission shaft 7 adopts a symmetrical slotted structure.
The cutter 6 is fixedly connected to a transmission shaft 7, and the transmission shaft 7 penetrates through the center ring 2 of the cutter head and is in contact with the cutter 6.
The transmission shaft 7 rotates to drive the cutter 6 to rotate, and the rotating cutter 6 and the main cutting hole 3 and the auxiliary cutting hole 4 on the cutter head 1 can both form a shearing effect to cut materials.
The cutter disc of this scheme is used on mud, straw cutting device equipment, and the material constitution that treats the cutting is complicated, and when 6 rotatory and the main hole 3 that cuts on the cutter disc 1, main cutting position all is the great main hole 3 that cuts of area, and the material after the shearing passes through easily, reduction fibre that can furthest, or the winding of band to the transmission shaft.
In this scheme, the spiral direction of the spiral spoke on the blade disc 1 and the direction of rotation of transmission shaft 7 can be unanimous, also can be inconsistent, all can realize the better cutting effect to materials such as fibrous, banded.
Inevitably, the cutting device will still have some fibres after a longer time of operation, or the ribbon will wind around the drive shaft 7.
When fibers or ribbons are accumulated to a certain threshold value, the symmetrical slotted structure adopted by the transmission shaft on the outer side of the cutter 6 can enable the wound materials to be broken in the notch under the action of the winding force.
And at the transmission shaft between the cutter 6 and the cutter head, secondary cutting is carried out on deposits by secondary cutting holes arranged between the outer side of the center ring and the trapezoidal cutting holes, so that the normal operation of the cutting equipment is ensured.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A cutter head is of a disc structure with a center ring and is characterized in that a plurality of main cutting holes are formed between the center ring and an edge ring of the cutter head, and the areas of the main cutting holes are gradually decreased from the center to the edge.
2. The impeller of claim 1 wherein the center ring and the peripheral ring are each divided into a plurality of spiral regions by a plurality of radial spiral spokes, each spiral region being divided into a plurality of main cutting holes by dividing spokes intersecting the spiral spokes.
3. The impeller of claim 2 wherein said dividing spokes are located normal to the location of the helix of the helical spokes.
4. The impeller of claim 2 wherein said dividing spokes immediately adjacent said central ring form triangular undercut holes with the central ring and the spiral spokes adjacent said central ring.
5. A cutter head according to any one of claims 2 to 4, wherein the radial spiral spokes are 3 to 6.
6. A cutting apparatus comprising a drive shaft and a cutter, characterized by further comprising the cutter head of any one of claims 1-5.
7. The cutting apparatus of claim 6, wherein the drive shaft is of a symmetrical slotted configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688047.6U CN210879873U (en) | 2019-10-10 | 2019-10-10 | Cutter head and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688047.6U CN210879873U (en) | 2019-10-10 | 2019-10-10 | Cutter head and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210879873U true CN210879873U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921688047.6U Active CN210879873U (en) | 2019-10-10 | 2019-10-10 | Cutter head and cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210879873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561528A (en) * | 2019-10-10 | 2019-12-13 | 重庆长征重工有限责任公司 | Cutter disc and cutting equipment |
| CN110561528B (en) * | 2019-10-10 | 2024-06-11 | 重庆长征重工有限责任公司 | Cutter disc and cutting equipment |
-
2019
- 2019-10-10 CN CN201921688047.6U patent/CN210879873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561528A (en) * | 2019-10-10 | 2019-12-13 | 重庆长征重工有限责任公司 | Cutter disc and cutting equipment |
| CN110561528B (en) * | 2019-10-10 | 2024-06-11 | 重庆长征重工有限责任公司 | Cutter disc and cutting equipment |
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