CN217549982U

CN217549982U - Cutter and crusher

Info

Publication number: CN217549982U
Application number: CN202220203471.2U
Authority: CN
Inventors: 刘辉; 杜家欢; 苏剑瑜; 刘鹊桥
Original assignee: Zhongshan Shredder Machinery Co ltd
Current assignee: Zhongshan Shredder Machinery Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-10-11
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a cutter and breaker, the cutter includes: a mounting member; the cutting piece is arranged on the mounting piece, and a cutting part is arranged on the cutting piece; the mounting structure sets up in the installed part, and mounting structure can make the installed part rotate around it, and the maximum distance of each point to its rotation center on the installed part is less than the minimum distance of each point to the rotation center of installed part on the cutting portion. Among this technical scheme, the cutter can be relative rotor body free rotation, when the cutter meets unbreakable material (like heavy load or metallics), the cutter can rotate by oneself so that cutting portion rotates to the center of rotation that is close to the rotor body, enlarge and decide the clearance between the sword mechanism, the cutter is by cutting state conversion to non-cutting state, thereby avoid, and then be favorable to avoiding damaging the cutter, can effectively resist the collision damage, long service life, thereby the cutter change frequency is low and lets the availability factor of whole machine higher.

Description

Cutter and crusher

Technical Field

The utility model relates to a breaker technical field that is relevant, in particular to cutter and breaker.

Background

At present, the knife roll of the high-speed crusher is designed to adopt a mode of installing a cutter on a knife roll main body in a bolt fixing mode, and the knife roll main body rotates to be matched with a fixed knife mechanism of the crusher, so that biomass materials are crushed. The defects of the crushing knife roll are as follows: under the working state that the knife roller main body rotates at a high speed, the knife tool is damaged when meeting heavy load or metal substances, the replacement frequency of the knife tool is high, and the efficiency of the whole crusher is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cutter, cutter install in during the rotor main part, can effectively anti collision damage, long service life, it is efficient.

The utility model discloses still provide the breaker of using above-mentioned cutter.

According to the utility model discloses a cutter of first aspect embodiment, include: a mounting member; the cutting piece is arranged on the mounting piece, and a cutting part is arranged on the cutting piece; the mounting structure is arranged on the mounting piece, the mounting structure can enable the mounting piece to rotate around the mounting piece, and the maximum distance from each point on the mounting piece to the rotation center of the mounting piece is smaller than the maximum distance from each point on the cutting part to the rotation center of the mounting piece.

According to the utility model discloses cutter has following beneficial effect at least: through mounting structure, rotationally install the installed part of cutter in the rotor main part, when broken rotor during operation, the rotor main part can be high-speed rotatory, under the effect of centrifugal force, will treat through the cutter that broken material takes to and decide the clearance between the sword mechanism, cutter and positioning mechanism cooperate to with its breakage. Compared with the prior art, among this technical scheme, the cutter can be relative rotor body free rotation, when the cutter meets unbreakable material (like heavy load or metallic substance), the cutter can rotate so that cutting portion rotates to the center of rotation that is close to the rotor body by oneself, enlarge and decide the clearance between the sword mechanism, the cutter is by cutting state conversion to non-cutting state, thereby avoid, and then be favorable to avoiding damaging the cutter, can effectively resist the collision damage, long service life, thereby the cutter is changed the frequency and is hanged down and let the availability factor of whole machine higher.

According to some embodiments of the invention, the maximum distance of each point to its center of rotation on the installed part is less than the minimum distance of each point to the center of rotation of the installed part on the cutting portion.

According to some embodiments of the utility model, the mounting structure including set up in the first through-hole of installed part, simple structure, it is convenient to make.

According to the utility model discloses a some embodiments, the cutting member pass through connection structure detachably connect in the installed part, the dismouting is convenient, is convenient for maintain and change the cutting member.

According to some embodiments of the present invention, the other end of the mounting member is provided with a second through hole, and the cutting member is provided with a third through hole corresponding to the second through hole; the connecting structure comprises a connecting bolt and a connecting nut, the connecting bolt penetrates through the second through hole and the third through hole and is in threaded connection with the connecting nut, the structure is simple, assembly is convenient, and installation cost is low.

According to some embodiments of the utility model, the installed part includes fixed part and protruding locating the connecting portion of fixed part, mounting structure set up in the fixed part, the cutting member with connecting portion are connected, just it is right to be provided with on the connecting portion location structure of cutting member location plays the pre-installation positioning action before connecting cutting member and installed part, is convenient for pass through connecting bolt and coupling nut with cutting member and installed part and connects fast assembly and location.

According to some embodiments of the present invention, the positioning structure comprises a positioning groove having an opening, and a positioning protrusion, the opening direction of the positioning groove is the same as the rotation direction of the mounting member, and the positioning protrusion is located at one side of the opening of the positioning groove; the cutting piece is provided with a positioning groove, a clamping space is arranged between the positioning groove and the positioning protrusions, one end, far away from the cutting part, of the cutting piece is provided with an inserting part, the inserting part is matched with the clamping space and inserted into the clamping space, during installation, a partial area of the cutting piece is located in the positioning groove, the clamping space is inserted through the inserting part, the cutting piece can be further connected to the front of the mounting piece to achieve the pre-installation positioning effect, the cutting piece cannot deviate relative to the mounting piece when being cut, the left and right movement and the swinging of the relative mounting piece of the cutting piece are avoided, the connection stability between the mounting piece and the cutting piece is further improved, and the crushing efficiency is improved.

According to the utility model discloses a some embodiments, the bellied upper end in location is provided with the arc surface, be provided with the correspondence on the constant head tank the inside sunken intrados of arc surface, the installed part of being convenient for and the assembly of cutting piece.

According to the utility model discloses a some embodiments, be provided with on the cutting member and be located the fixed arch of the top in the connecting portion outside, fixed arch is close to cutting portion sets up, further cooperates with location structure to improve the installation stability of cutting member.

According to a second aspect embodiment of the present invention, there is provided a crusher comprising a tool as described in the first aspect embodiment above.

According to the utility model discloses breaker has following beneficial effect at least: adopt above-mentioned cutter on the breaker, through mounting structure, rotationally install the installed part of cutter in the rotor main part, when broken rotor during operation, the rotor main part can high-speed rotatory, under the effect of centrifugal force, will treat through the cutter that broken material takes to and decide the clearance between the sword mechanism, cutter and positioning mechanism cooperate to with its breakage. Compared with the prior art, among this technical scheme, the cutter can be relative rotor body free rotation, when the cutter meets unbreakable material (like heavy load or metallic substance), the cutter can rotate so that cutting portion rotates to the center of rotation that is close to the rotor body by oneself, enlarge and decide the clearance between the sword mechanism, the cutter is by cutting state conversion to non-cutting state, thereby avoid, and then be favorable to avoiding damaging the cutter, can effectively resist the collision damage, long service life, thereby the cutter is changed the frequency and is hanged down and let the availability factor of whole machine higher.

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 structural diagram of a cutter according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a tool according to an embodiment of the present invention;

fig. 3 is an exploded view of a tool according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the engagement between the cutter and the mounting shaft according to the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a crushing cutter roll according to an embodiment of the present invention.

Reference numerals:

a mounting member 10, a second through hole 11, a fixing portion 12, and a connecting portion 13;

the cutting part 20, the cutting part 21, the third through hole 22, the inserting part 24, the fixing bulge 25 and the first through hole 30;

a positioning groove 41, a positioning projection 42 and a clamping space 43;

a knife roller main body 50 and a mounting shaft 51.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, 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, if there are first and second descriptions for distinguishing technical features, they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1 to 5, a tool according to an embodiment of the first aspect of the present invention includes: a mounting member 10; a cutting member 20 arranged on the mounting member 10, wherein the cutting member 20 is provided with a cutting part 21; and a mounting structure provided to the mounting member 10, the mounting structure being capable of rotating the mounting member 10 about the mounting member, and a maximum distance from each point on the mounting member 10 to a rotation center thereof being smaller than a minimum distance from each point on the cutting portion 21 to the rotation center of the mounting member 10.

According to the utility model discloses the cutter through mounting structure, rotationally installs the installed part 10 of cutter in rotor main part 50, and when broken rotor during operation, rotor main part 50 can be high-speed rotatory, under the effect of centrifugal force, will treat through the cutter that broken material takes to and decide the clearance between the sword mechanism, cutter and positioning mechanism cooperate to with it breakage. Compared with the prior art, among this technical scheme, the cutter can be relative 50 free rotations of rotor, when the cutter meets unbreakable material (like heavy load or metallic substance), the cutter can rotate by oneself so that cutting portion 21 rotates to the center of rotation that is close to rotor main part 50, enlarge and decide the clearance between the sword mechanism, the cutter is by cutting state conversion to non-cutting state, thereby avoid, and then be favorable to avoiding damaging the cutter, can effectively resist collision damage, long service life, thereby the cutter change frequency is low lets the availability factor of whole machine higher.

In some embodiments of the present invention, the maximum distance from each point on the mounting member 10 to the rotation center thereof is smaller than the maximum distance from each point on the cutting portion 21 to the rotation center of the mounting member 10, i.e. the highest point of the cutting portion 21 is higher than the highest point of the mounting member 10.

In some embodiments of the present invention, the maximum distance from each point on the mounting member 10 to the rotation center thereof is smaller than the minimum distance from each point on the cutting portion 21 to the rotation center of the mounting member 10, i.e. the lowest point of the cutting portion 21 is higher than the highest point of the mounting member 10.

Of course, in some embodiments, the lowest point of the cutting portion 21 is lower than the highest point of the mounting member 10, and the highest point of the cutting portion 21 is higher than the highest point of the mounting member 10.

It will be appreciated that, as shown in fig. 1-5, in some embodiments of the present invention, the mounting structure includes a first through-hole 30 provided in the mounting member 10. It should be noted that in some embodiments of the present invention, the installation shaft 51 is provided on the knife roll main body 50, the installation shaft 51 is inserted into the first through hole 30 and is rotatably fitted, the first through hole 30 and the installation shaft 51 are accessible to the cutter, so that the relative knife roll main body 50 rotates to drive the cutting portion 21 to rotate, and the present invention has the advantages of simple structure and convenient manufacture.

It is contemplated that, as shown in fig. 1-4, in some embodiments of the present invention, the cutting member 20 may be detachably connected to the mounting member 10 by a connection structure, which is convenient for assembly and disassembly, and facilitates maintenance and replacement of the cutting member 20.

As shown in fig. 1 to 4, in some embodiments of the present invention, the other end of the mounting member 10 is provided with a second through hole 11, and the cutting member 20 is provided with a third through hole 22 corresponding to the second through hole 11; the connecting structure comprises a connecting bolt and a connecting nut, the connecting bolt penetrates through the second through hole 11 and the third through hole 22 and is in threaded connection with the connecting nut, the structure is simple, assembly is convenient, and installation cost is low.

Of course, in some embodiments, one of the second through hole 11 and the third through hole 22 is provided as a threaded hole, and the threaded hole is engaged with the connecting bolt; alternatively, in some embodiments, the coupling structure can be configured as a pin or like coupling member to couple cutting element 20 to mounting element 10.

It is contemplated that, in some embodiments, mounting member 10 and cutting member 20 may be a one-piece structure.

As shown in fig. 1 to 4, in some embodiments of the present invention, the mounting member 10 includes a fixing portion 12 and a connecting portion 13 protruding from the fixing portion 12, the mounting structure is disposed on the fixing portion 12, the cutting member 20 is connected to the connecting portion 13, and a positioning structure for positioning the cutting member 20 is disposed on the connecting portion 13. Adopt above-mentioned structure, before connecting cutting member 20 and installed part 10, play the pre-installation positioning action, be convenient for pass through connecting bolt and coupling nut with cutting member 20 and installed part 10 and connect, fast assembly and location.

The connecting portion 13 may be a flange structure connected to the fixing portion 12, or a rod portion connected to the fixing portion 12, which is not limited herein.

As shown in fig. 1 to 4, in some embodiments of the present invention, the positioning structure includes a positioning groove 41 having an opening, and a positioning protrusion 42, the opening direction of the positioning groove 41 is the same as the rotation direction of the mounting member 10, and the positioning protrusion 42 is located at one side of the opening of the positioning groove 41; wherein, a holding space 43 is provided between the positioning groove 41 and the positioning protrusion 42, an insertion part 24 is provided at an end of the cutting member 20 far away from the cutting part 21, and the insertion part 24 is adapted to the holding space 43 and inserted into the holding space 43. During the installation, the subregion of cutting member 20 is located constant head tank 41, inserts through grafting part 24 and establishes card and hold space 43, can further play the pre-installation positioning action before connecting in installed part 10 to cutting member 20, and when cutting member 20 cuts, cutting member 20 can not squint relatively installed part 10, avoids cutting member 20 to control the drunkenness and the swing of relatively installed part 10, further improves the connection stability between installed part 10 and the cutting member 20, improves crushing efficiency.

The utility model discloses an in some embodiments, the upper end of location arch 42 is provided with the arc surface, is provided with the inside sunken intrados of corresponding arc surface on the constant head tank 41, and the installed part 10 of being convenient for and cutting member 20 assemble, and stability is better.

In some embodiments of the present invention, the cutting member 20 is provided with a fixing protrusion 25 above the connecting portion 13, and the fixing protrusion 25 is disposed near the cutting portion 21. With the above structure, further, the cutting member 20 is fitted with the positioning structure to improve the mounting stability of the cutting member.

In some embodiments of the present invention, the cross section of the mounting member 10 is cam-shaped, and the structural strength is better.

According to the utility model discloses a breaker of second aspect embodiment, including the cutter of above-mentioned first aspect embodiment, the cutter passes through mounting structure and rotationally sets up in rotor main part 50.

According to the utility model discloses breaker, breaker adopt above-mentioned cutter, through mounting structure, rotationally install the installed part 10 of cutter in rotor main part 50, when broken rotor during operation, rotor main part 50 can be high-speed rotatory, under the effect of centrifugal force, will treat through the cutter that broken material takes to and decide the clearance between the sword mechanism, cutter and positioning mechanism cooperate to with its breakage. Compared with the prior art, among this technical scheme, the cutter can be relative 50 free rotations of rotor, when the cutter meets unbreakable material (like heavy load or metallic substance), the cutter can rotate by oneself so that cutting portion 21 rotates to the center of rotation that is close to rotor main part 50, enlarge and decide the clearance between the sword mechanism, the cutter is by cutting state conversion to non-cutting state, thereby avoid, and then be favorable to avoiding damaging the cutter, can effectively resist collision damage, long service life, thereby the cutter change frequency is low lets the availability factor of whole machine higher.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A tool, comprising:

a mounting (10);

a cutting piece (20) arranged on the mounting piece (10), wherein a cutting part (21) is arranged on the cutting piece (20);

and the mounting structure is arranged on the mounting piece (10), the mounting structure can enable the mounting piece (10) to rotate around the mounting piece, and the maximum distance from each point on the mounting piece (10) to the rotating center of the mounting piece is smaller than the maximum distance from each point on the cutting part (21) to the rotating center of the mounting piece (10).

2. Tool according to claim 1, characterized in, that the maximum distance of each point on the mounting part (10) to its centre of rotation is smaller than the minimum distance of each point on the cutting part (21) to the centre of rotation of the mounting part (10).

3. Tool according to claim 1 or 2, characterized in, that the mounting structure comprises a first through hole (30) provided in the mounting part (10).

4. A tool according to claim 3, wherein the cutting member (20) is detachably connected to the mounting member (10) by a connecting structure.

5. Tool according to claim 4, characterized in that the other end of the mounting piece (10) is provided with a second through hole (11), and the cutting piece (20) is provided with a third through hole (22) corresponding to the second through hole (11);

the connecting structure comprises a connecting bolt and a connecting nut, and the connecting bolt penetrates through the second through hole (11) and the third through hole (22) and is in threaded connection with the connecting nut.

6. The tool according to claim 1, wherein the mounting member (10) comprises a fixing portion (12) and a connecting portion (13) protruding from the fixing portion (12), the mounting structure is disposed on the fixing portion (12), the cutting member (20) is connected to the connecting portion (13), and a positioning structure for positioning the cutting member (20) is disposed on the connecting portion (13).

7. The knife according to claim 6, characterized in that the positioning structure comprises a positioning groove (41) having an opening and a positioning projection (42), the opening direction of the positioning groove (41) is the same as the rotation direction of the mounting member (10), and the positioning projection (42) is located at one side of the opening of the positioning groove (41);

a clamping space (43) is arranged between the positioning groove (41) and the positioning protrusion (42), an inserting part (24) is arranged at one end, far away from the cutting part (21), of the cutting part (20), and the inserting part (24) is matched with the clamping space (43) and inserted into the clamping space (43).

8. The tool according to claim 7, wherein the positioning protrusion (42) is provided with an arc surface at an upper end thereof, and the positioning groove (41) is provided with an inner arc surface recessed inwardly corresponding to the arc surface.

9. Tool according to claim 7, characterized in, that the cutting element (20) is provided with a fixing lug (25) above the outside of the connecting part (13), which fixing lug (25) is arranged close to the cutting part (21).

10. A crusher, characterized in that it comprises a tool according to any of claims 1 to 9.