CN114345500A - Stationary knife structure - Google Patents
Stationary knife structure Download PDFInfo
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- CN114345500A CN114345500A CN202210051916.4A CN202210051916A CN114345500A CN 114345500 A CN114345500 A CN 114345500A CN 202210051916 A CN202210051916 A CN 202210051916A CN 114345500 A CN114345500 A CN 114345500A
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- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a stationary knife structure, which comprises: the cutting tool comprises a frame, a first cutter tooth and a second cutter tooth, wherein an arc-shaped surface is arranged on the frame, and a reference end is arranged on the arc-shaped surface; the first cutter tooth is arranged on the frame, the first cutter tooth protrudes outwards relative to the arc-shaped surface, and a first arc distance is reserved between the first cutter tooth and the reference end along the circumferential direction of the arc-shaped surface; the second sword tooth set up in on the frame, the second sword tooth for the arcwall face evagination, the second sword tooth with follow between the reference end have the second pitch arc distance on the circumferencial direction of arcwall face, first pitch arc distance with second pitch arc distance is different. Utilize first sword tooth and second sword tooth to contact and collide with the material of treating broken respectively, can make the material of treating broken rotate the in-process of round at least twice crushing operation at the frame, consequently can reach the effect that improves the work efficiency of crushing operation effectively.
Description
Technical Field
The invention relates to the field of crushers, in particular to a fixed cutter structure.
Background
As is known to all, the design of the fixed cutter of the existing high-speed crusher is that a single row of cutters are arranged at the rotary shearing position of a cutter roller, so that the cutters only shear materials once per rotation in a working state of high-speed rotation, and the problem of low crushing efficiency is not suspected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a fixed cutter structure which can improve the crushing efficiency.
According to the fixed cutter structure of the first aspect embodiment of the invention, the fixed cutter structure comprises: the cutting tool comprises a frame, a first cutter tooth and a second cutter tooth, wherein an arc-shaped surface is arranged on the frame, and a reference end is arranged on the arc-shaped surface; the first cutter tooth is arranged on the frame, the first cutter tooth protrudes outwards relative to the arc-shaped surface, and a first arc distance is reserved between the first cutter tooth and the reference end along the circumferential direction of the arc-shaped surface; the second sword tooth set up in on the frame, the second sword tooth for the arcwall face evagination, the second sword tooth with follow between the reference end have the second pitch arc distance on the circumferencial direction of arcwall face, first pitch arc distance with second pitch arc distance is different.
The fixed cutter structure provided by the embodiment of the invention at least has the following beneficial effects: after the frame rotates a circle, the first cutter tooth and the second cutter tooth can both hijack and collide with the material to be crushed. And because first arc distance and second arc distance are different, therefore treat that broken material rotates the in-process of a round at the frame, will contact with first sword tooth and second sword tooth respectively to carry out crushing operation respectively.
Utilize first sword tooth and second sword tooth to contact and collide with the material of treating the breakage respectively, can be so that treat to carry out twice at least broken operation between broken material and the frame the in-process of relative rotation round to increase the crushing quality of frame when carrying out the single breakage to the material, and then can reduce total broken number of times, consequently can reach the effect that improves the work efficiency of broken operation effectively.
According to some embodiments of the invention, the first cutter tooth is a plurality of first cutter teeth, the plurality of first cutter teeth are arranged in parallel, and each first cutter tooth is the same distance from the reference end along the circumferential direction of the arc-shaped surface.
According to some embodiments of the invention, the second cutter tooth is a plurality of second cutter teeth, the plurality of second cutter teeth are arranged in parallel, and each second cutter tooth is the same distance from the reference end along the circumferential direction of the arc-shaped surface.
According to some embodiments of the invention, the arc surface is provided with a third convex cutter tooth, and a third arc distance is formed between the third cutter tooth and the reference end along the circumferential direction of the arc surface, and the first arc distance, the second arc distance and the third arc distance are sequentially increased.
According to some embodiments of the invention, a first shortest distance is provided between one end of the first cutter tooth far away from the arc-shaped surface and the arc-shaped surface, a second shortest distance is provided between one end of the second cutter tooth far away from the arc-shaped surface and the arc-shaped surface, a third shortest distance is provided between one end of the third cutter tooth far away from the arc-shaped surface and the arc-shaped surface, and the first shortest distance, the second shortest distance and the third shortest distance are sequentially increased.
According to some embodiments of the invention, a side of the first cutter tooth close to the reference end is provided with a first inclined surface, a side of the second cutter tooth close to the reference end is provided with a second inclined surface, a side of the third cutter tooth close to the reference end is provided with a third inclined surface, and minimum included angles between the first inclined surface, the second inclined surface and the third inclined surface and the arc-shaped surface are sequentially increased.
According to some embodiments of the invention, the arc surface is provided with a convex fourth blade, and a fourth arc distance is formed between the fourth blade and the reference end along the circumferential direction of the arc surface, and the first arc distance, the second arc distance, the third arc distance and the fourth arc distance are sequentially increased.
According to some embodiments of the invention, a first shortest distance is provided between one end of the first cutter tooth far away from the arc-shaped surface and the arc-shaped surface, a second shortest distance is provided between one end of the second cutter tooth far away from the arc-shaped surface and the arc-shaped surface, a third shortest distance is provided between one end of the third cutter tooth far away from the arc-shaped surface and the arc-shaped surface, a fourth shortest distance is provided between one end of the fourth cutter tooth far away from the arc-shaped surface and the arc-shaped surface, and the first shortest distance, the second shortest distance, the third shortest distance and the fourth shortest distance are sequentially increased.
According to some embodiments of the invention, a side of the first blade tooth close to the reference end has a first inclined surface, a side of the second blade tooth close to the reference end has a second inclined surface, a side of the third blade tooth close to the reference end has a third inclined surface, a side of the fourth blade tooth close to the reference end has a fourth inclined surface, and minimum included angles between the first inclined surface, the second inclined surface, the third inclined surface and the fourth inclined surface and the arc-shaped surface are sequentially increased.
According to some embodiments of the invention, each of the first blade tooth, the second blade tooth and the third blade tooth is a plurality of blade teeth arranged in a row, the second arc line passes between two adjacent first blade teeth from a corresponding arc line, and the third arc line passes between two adjacent second blade teeth from a corresponding arc line.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a stationary knife structure according to an embodiment of the present invention;
fig. 2 is a side view schematic diagram of the stationary knife structure shown in fig. 1.
Reference numerals: 100 is a frame, 110 is an arc-shaped surface, 150 is a connecting ring, 180 is a reference end, 200 is a first cutter tooth, 300 is a second cutter tooth, 400 is a third cutter tooth, and 500 is a fourth cutter tooth.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a stationary blade structure includes: the cutting tool comprises a frame 100, a first cutter tooth 200 and a second cutter tooth 300, wherein an arc-shaped surface 110 is arranged on the frame 100, and a reference end 180 is arranged on the arc-shaped surface 110; the first cutter tooth 200 is arranged on the frame 100, the first cutter tooth 200 protrudes outwards relative to the arc-shaped surface 110, and a first arc distance is formed between the first cutter tooth 200 and the reference end 180 along the circumferential direction of the arc-shaped surface 110; the second blade 300 is disposed on the frame 100, the second blade 300 protrudes outward relative to the arc surface 110, a second arc distance is formed between the second blade 300 and the reference end 180 along the circumferential direction of the arc surface 110, and the first arc distance and the second arc distance are different. After the frame 100 rotates one circle, the first cutter tooth 200 and the second cutter tooth 300 are both hijacked and collided with the material to be crushed. And, since the first arc distance and the second arc distance are different, the material to be crushed will contact with the first cutter tooth 200 and the second cutter tooth 300 respectively during one rotation relative to the frame 100, and the crushing operation will be performed respectively. Utilize first sword tooth 200 and second sword tooth 300 to contact and collide with the material of treating broken respectively, can make frame 100 carry out two at least broken operations for treating broken material at the in-process that rotates the round to increase the crushing quality that frame 100 carries out the single when broken to the material, and then can reduce total broken number of times, consequently can reach the effect that improves the work efficiency of broken operation effectively.
Specifically, the frame 100 is an arc-shaped plate-shaped mechanism, the arc-shaped surface 110 is located on the inward-bending side of the frame 100, and the outer side surface of the frame 100 is provided with a connecting ring 150 for connecting with the crusher body.
In some embodiments, referring to fig. 1, the first cutter tooth 200 is provided in plurality, the first cutter teeth 200 are arranged in parallel, and each first cutter tooth 200 is spaced apart from the reference end 180 by the same distance in the circumferential direction of the arc surface 110. The first cutter teeth 200 arranged in parallel can crush materials synchronously, so that the quality of the materials when being crushed is effectively improved. Moreover, the rows of first cutter teeth 200 can effectively prevent the materials from passing through the arc-shaped surface 110 except the first cutter teeth 200, so that the materials can be smoothly contacted with and crushed by the first cutter teeth 200.
Specifically, the number of the first cutter teeth 200 is ten, and the ten first cutter teeth 200 are equally spaced in the width direction of the arc surface 110. Of course, the number of the first cutter teeth 200 may be other, such as nine, eight, eleven, twelve, etc. The specific configuration mode may be adjusted accordingly according to actual needs, and is not limited herein.
In some embodiments, referring to fig. 1, the second cutter tooth 300 is provided in plurality, the plurality of second cutter teeth 300 are arranged in parallel, and each second cutter tooth 300 is spaced apart from the reference end 180 by the same distance in the circumferential direction of the arc surface 110. The second cutter teeth 300 arranged in parallel can crush materials synchronously, so that the quality of the materials when being crushed is effectively improved. Moreover, the rows of the second cutter teeth 300 can effectively prevent the materials from passing through the arc-shaped surface 110 except the second cutter teeth 300, so that the materials can be smoothly contacted with the second cutter teeth 300 and crushed by the second cutter teeth.
Specifically, the number of the second cutter teeth 300 is ten, and the ten second cutter teeth 300 are equally spaced in the width direction of the arc-shaped surface 110. Of course, the number of the second cutter teeth 300 may be other, such as nine, eight, eleven, twelve, etc. The specific configuration mode may be adjusted accordingly according to actual needs, and is not limited herein.
In some embodiments, referring to fig. 1, a convex third tooth 400 is disposed on the arc surface 110, and a third arc distance is formed between the third tooth 400 and the reference end 180 along the circumferential direction of the arc surface 110, and the first arc distance, the second arc distance and the third arc distance are sequentially increased. After passing through the first cutter tooth 200 and the second cutter tooth 300, the material will contact the third cutter tooth 400 and be crushed again by the third cutter tooth 400. The third cutter tooth 400, the first cutter tooth 200 and the second cutter tooth 300 are used for crushing materials respectively, so that the materials can be effectively guaranteed to be crushed at least three times, the single crushing quality is improved, the repeated crushing times are reduced, and the crushing efficiency is increased finally.
Specifically, the first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400 are all in a triangular tooth shape. Of course, the first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400 may have other shapes, and even the shapes of the three may be different, and the specific configuration may be adjusted accordingly according to actual needs, which is not limited herein.
In some embodiments, referring to fig. 2, a first shortest distance exists between one end of the first cutter tooth 200 away from the arc-shaped surface 110 and the arc-shaped surface 110, a second shortest distance exists between one end of the second cutter tooth 300 away from the arc-shaped surface 110 and the arc-shaped surface 110, a third shortest distance exists between one end of the third cutter tooth 400 away from the arc-shaped surface 110 and the arc-shaped surface 110, and the first shortest distance, the second shortest distance and the third shortest distance are sequentially increased. The first shortest distance, the second shortest distance and the third shortest distance which are gradually increased can effectively and gradually reduce the outlet which allows the material to flow out of the frame 100, so that the material can be screened in a gradual volume mode by the first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400, and the material with an overlarge volume can be limited in the frame 100 and can be repeatedly crushed.
Specifically, the first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400 are all triangular tooth shapes, and the maximum internal angle in the triangular tooth shapes is gradually reduced.
In some embodiments, referring to FIG. 2, the first tooth 200 has a first slope on a side adjacent to the reference end 180, the second tooth 300 has a second slope on a side adjacent to the reference end 180, and the third tooth 400 has a third slope on a side adjacent to the reference end 180, wherein the minimum included angles between the first slope, the second slope, and the third slope and the arc 110 are sequentially increased. The first inclined plane, the second inclined plane and the third inclined plane can guide the material to the top end of the first inclined plane when the first inclined plane, the second inclined plane and the third inclined plane are in contact with the material, and the first inclined plane, the second inclined plane and the third inclined plane can collide and crush the material. And the relation that increases progressively in proper order of the minimum contained angle between first inclined plane, second inclined plane and the third inclined plane and the arcwall face 110, then can second sword tooth 300 and third sword tooth 400 collide the material and be inclined to the head-on collision gradually to make the first sword tooth 200, second sword tooth 300 and third sword tooth 400 and the impact of material increase gradually, thereby make the material receive the broken dynamics of breaking the in-process of reducing the volume gradually increase gradually, and then ensure that the volume is more reduced the material still can obtain effectual crushing effect.
In some embodiments, referring to fig. 1, a convex fourth tooth 500 is disposed on the arc surface 110, and a fourth arc distance is disposed between the fourth tooth 500 and the reference end 180 along the circumferential direction of the arc surface 110, wherein the first arc distance, the second arc distance, the third arc distance and the fourth arc distance are sequentially increased. After passing through the first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400, the material will contact the fourth cutter tooth 500 and be crushed again by the fourth cutter tooth 500. The fourth cutter tooth 500, the first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400 are used for crushing materials respectively, so that the materials can be effectively guaranteed to be crushed at least four times, the quality of single crushing is improved, the repeated crushing times are reduced, and the crushing efficiency is finally improved.
It is contemplated that a greater number of teeth, such as a fifth tooth, a sixth tooth, or a seventh tooth, may be provided on arcuate surface 110, and is not limited to a maximum of four teeth. The specific configuration mode may be adjusted accordingly according to actual needs, and is not limited herein.
Specifically, the first cutter tooth 200, the second cutter tooth 300, the third cutter tooth 400 and the fourth cutter tooth 500 are all in a triangular tooth shape. Of course, the first cutter tooth 200, the second cutter tooth 300, the third cutter tooth 400 and the fourth cutter tooth 500 may have other shapes, and even the shapes of the four cutter teeth may be different, and the specific configuration manner may be adjusted accordingly according to actual needs, which is not limited herein.
In some embodiments, referring to fig. 2, a first shortest distance is provided between one end of the first cutter tooth 200 away from the arc-shaped surface 110 and the arc-shaped surface 110, a second shortest distance is provided between one end of the second cutter tooth 300 away from the arc-shaped surface 110 and the arc-shaped surface 110, a third shortest distance is provided between one end of the third cutter tooth 400 away from the arc-shaped surface 110 and the arc-shaped surface 110, a fourth shortest distance is provided between one end of the fourth cutter tooth 500 away from the arc-shaped surface 110 and the arc-shaped surface 110, and the first shortest distance, the second shortest distance, the third shortest distance and the fourth shortest distance are sequentially increased. The first shortest distance, the second shortest distance, the third shortest distance and the fourth shortest distance which are gradually increased can effectively and gradually reduce the outlet which allows the materials to flow out of the frame 100, so that the materials can be gradually screened in a volume mode by the aid of the first cutter tooth 200, the second cutter tooth 300, the third cutter tooth 400 and the fourth cutter tooth 500, and the materials with overlarge volumes can be limited in the frame 100 and repeatedly crushed.
Specifically, the first cutter tooth 200, the second cutter tooth 300, the third cutter tooth 400 and the fourth cutter tooth 500 are all triangular tooth shapes, and the maximum internal angle in the triangular tooth shapes is gradually reduced.
In some embodiments, referring to FIG. 2, the first tooth 200 has a first slope on a side adjacent to the reference end 180, the second tooth 300 has a second slope on a side adjacent to the reference end 180, the third tooth 400 has a third slope on a side adjacent to the reference end 180, and the fourth tooth 500 has a fourth slope on a side adjacent to the reference end 180, wherein the first slope, the second slope, the third slope, and the fourth slope have increasing minimum angles with the curved surface 110. The first inclined plane, the second inclined plane, the third inclined plane and the fourth inclined plane can guide the material to the top end of the material when the first inclined plane, the second inclined plane, the third inclined plane and the fourth inclined plane are in contact with the material, and the material is collided and crushed. And the relation that increases progressively in proper order of the minimum contained angle between first inclined plane, second inclined plane, third inclined plane and fourth inclined plane and the arcwall face 110, then can second sword tooth 300, third sword tooth 400 and fourth sword tooth 500 be to the collision of material and be inclined to head-on collision gradually, and make first sword tooth 200, second sword tooth 300, third sword tooth 400 and fourth sword tooth 500 and the impact of material increase gradually, thereby make the material receive the breaking force degree increase gradually by the in-process of broken subtracts the appearance gradually, and then ensure that the volume is more reduced the material still can obtain effectual crushing effect.
In certain embodiments, referring to FIG. 1, each of the first blade tooth 200, the second blade tooth 300, and the third blade tooth 400 is a plurality of teeth arranged in a row, with a second arc passing between two adjacent first blade teeth 200 from a corresponding arc, and a third arc passing between two adjacent second blade teeth 300 from a corresponding arc. The first cutter tooth 200, the second cutter tooth 300 and the third cutter tooth 400 distributed in rows can effectively increase the crushing area of the material, so that the material is effectively crushed. And after passing between two adjacent first cutter teeth 200, the material will be subjected to the crushing effect of the second cutter tooth 300, and the material passing through the two adjacent second cutter teeth 300 will be subjected to the crushing effect of the third cutter tooth 400. Therefore, even if the material passes through the gaps among the plurality of first cutter teeth 200, the second cutter teeth 300 or the third cutter teeth 400, the material can still be sufficiently crushed, so that the crushing effect of the frame 100 on the material in a single rotation is improved, the total crushing times are effectively reduced, and the purpose of improving the working efficiency is achieved.
It is contemplated that the fourth blade 500 is also provided in a plurality of rows, and the fourth arc is spaced from the corresponding arc to pass between two adjacent third blades 400, so as to ensure that the material passing between two adjacent third blades 400 can be collided and crushed by the fourth blade 500.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A stationary knife structure, comprising:
the device comprises a frame (100), wherein an arc-shaped surface (110) is arranged on the frame (100), and a reference end (180) is arranged on the arc-shaped surface (110);
a first cutter tooth (200) arranged on the frame (100), wherein the first cutter tooth (200) is convex relative to the arc-shaped surface (110), and a first arc distance is formed between the first cutter tooth (200) and the reference end (180) along the circumferential direction of the arc-shaped surface (110);
the second cutter tooth (300) is arranged on the frame (100), the second cutter tooth (300) is convex relative to the arc-shaped surface (110), a second arc distance is formed between the second cutter tooth (300) and the reference end (180) along the circumferential direction of the arc-shaped surface (110), and the first arc distance and the second arc distance are different.
2. The stationary knife structure as set forth in claim 1, wherein:
the first cutter teeth (200) are arranged in parallel, and the distance between each first cutter tooth (200) and the reference end (180) along the circumferential direction of the arc-shaped surface (110) is the same.
3. The stationary knife structure as set forth in claim 1, wherein:
the number of the second cutter teeth (300) is multiple, the second cutter teeth (300) are arranged in parallel, and the distance between each second cutter tooth (300) and the reference end (180) along the circumferential direction of the arc-shaped surface (110) is the same.
4. The stationary knife structure as set forth in claim 1, wherein:
be provided with convex third sword tooth (400) on arcwall face (110), third sword tooth (400) with have the third arc distance between reference end (180) along the circumferencial direction of arcwall face (110), first arc distance, second arc distance with third arc distance increases progressively in proper order.
5. The stationary knife structure as set forth in claim 4, wherein:
a first shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the first cutter tooth (200) and the arc-shaped surface (110), a second shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the second cutter tooth (300) and the arc-shaped surface (110), a third shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the third cutter tooth (400) and the arc-shaped surface (110), and the first shortest distance, the second shortest distance and the third shortest distance are sequentially increased in size.
6. The stationary knife structure as set forth in claim 5, wherein:
first sword tooth (200) are close to one side of benchmark end (180) has first inclined plane, second sword tooth (300) are close to one side of benchmark end (180) has the second inclined plane, third sword tooth (400) are close to one side of benchmark end (180) has the third inclined plane, first inclined plane, the second inclined plane with the third inclined plane with the minimum contained angle between arcwall face (110) increases progressively in proper order.
7. The stationary knife structure as set forth in claim 4, wherein:
be provided with convex fourth sword tooth (500) on arcwall face (110), fourth sword tooth (500) with have a fourth arc distance between reference end (180) along the circumferencial direction of arcwall face (110), first arc distance, second arc distance, third arc distance and fourth arc distance increase gradually in proper order.
8. The stationary knife structure as set forth in claim 4, wherein:
a first shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the first cutter tooth (200) and the arc-shaped surface (110), a second shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the second cutter tooth (300) and the arc-shaped surface (110), a third shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the third cutter tooth (400) and the arc-shaped surface (110), a fourth shortest distance is arranged between one end, far away from the arc-shaped surface (110), of the fourth cutter tooth (500) and the arc-shaped surface (110), and the first shortest distance, the second shortest distance, the third shortest distance and the fourth shortest distance are sequentially increased.
9. The stationary knife structure as set forth in claim 8, wherein:
first sword tooth (200) are close to one side of benchmark end (180) has first inclined plane, second sword tooth (300) are close to one side of benchmark end (180) has the second inclined plane, third sword tooth (400) are close to one side of benchmark end (180) has the third inclined plane, fourth sword tooth (500) are close to one side of benchmark end (180) has the fourth inclined plane, first inclined plane, the second inclined plane the third inclined plane with the fourth inclined plane with the minimum contained angle between arcwall face (110) increases progressively in proper order.
10. The stationary knife structure as set forth in claim 4, wherein:
the first cutter tooth (200), the second cutter tooth (300) and the third cutter tooth (400) are a plurality of cutter teeth distributed in a row, an arc line corresponding to the distance of the second arc line passes through two adjacent cutter teeth (200) between each other, and an arc line corresponding to the distance of the third arc line passes through two adjacent cutter teeth (300) between each other.
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| CN202210051916.4A CN114345500A (en) | 2022-01-17 | 2022-01-17 | Stationary knife structure |
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| CN202210051916.4A CN114345500A (en) | 2022-01-17 | 2022-01-17 | Stationary knife structure |
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| KR20100006532A (en) * | 2008-07-09 | 2010-01-19 | 가부시끼 가이샤 구보다 | Mounting structure of fixed blade, chip-shaped fixed blade and crusher |
| CN202860626U (en) * | 2012-10-25 | 2013-04-10 | 东莞市永淦机械有限公司 | Energy-saving ultrafine-crushing crusher |
| CN110124810A (en) * | 2019-05-21 | 2019-08-16 | 宁波领智机械科技有限公司 | A kind of crushing part device for pulverizer |
| CN212758993U (en) * | 2020-07-04 | 2021-03-23 | 泰州市政锋注塑有限公司 | Mute pulverizer with screening function and convenient to clean |
| CN113856851A (en) * | 2021-09-08 | 2021-12-31 | 湖南微米环境装备技术有限公司 | Novel kitchen garbage fly cutter crushing equipment |
| CN216987976U (en) * | 2022-01-17 | 2022-07-19 | 中山斯瑞德环保科技有限公司 | Stationary knife structure |
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