CN112871274B - Crusher double-roller and industrial stone crusher - Google Patents
Crusher double-roller and industrial stone crusher Download PDFInfo
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- CN112871274B CN112871274B CN202011532486.5A CN202011532486A CN112871274B CN 112871274 B CN112871274 B CN 112871274B CN 202011532486 A CN202011532486 A CN 202011532486A CN 112871274 B CN112871274 B CN 112871274B
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- rolling
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
Abstract
The invention relates to the field of ore crushing equipment, and particularly discloses a pair roller of a crusher and an industrial stone crusher. Through the piece of rolling that a plurality of components of a whole that can function independently set up for the user can change alone when changing the piece of rolling that corresponds and produce the defect, has avoided the dismantlement that whole dismantlement roll body brought, the problem of installation difficulty, has made things convenient for user maintenance and maintenance roll body, especially under the abominable operational environment in mining machinery, this breaker pair roller has simple structure, the characteristics of being convenient for to change, make in the course of the work, the user of being convenient for changes and maintains the piece of rolling, improve work efficiency.
Description
Technical Field
The invention relates to the field of ore crushing equipment, in particular to a pair roller of a crusher and an industrial stone crusher.
Background
In mining machinery, it is necessary to perform crushing processing of stones and ores, in which the stones are crushed by a crusher, in which the stones are crushed into powder by further crushing the crushed stones, and in which the primarily crushed stones are secondarily crushed into powder by rollers.
And in mining machinery, because the needs of work load, the volume of pair roller is great in the breaker, operational environment is also abominable, lead to in long-term use, the pair roller surface is used for rolling the roller skin of building stones can appear the defect of stress deformation such as pit, inclined plane, the powder that leads to rolling out is not conform to the technological requirement, can't satisfy the needs of work, so need change the pair roller that appears surface defect, the mode of current change is for dismantling the whole new roller skin of direct change with roller skin surface, this kind of mode of whole change can waste material undoubtedly, and is with higher costs.
Disclosure of Invention
The invention provides a pair roller of a crusher and an industrial stone crusher, aiming at solving the problems of material waste and high cost caused by integral replacement after the defects appear on the rolling surface in the existing crusher.
In order to solve the technical problems, the invention provides a technical scheme as follows: a pair roller of a crusher comprises two roller bodies, wherein each roller body comprises a rotating roller and a plurality of rolling parts, and each rolling part is of an annular structure; the rolling pieces are sequentially sleeved on the outer peripheral side of the rotating roller, and the rotating roller drives the rolling pieces to coaxially rotate; the rolling pieces are sequentially connected to form a rolling surface; the rolling part comprises a rotating part and a rolling part, the rotating part is sleeved on the outer periphery of the rotating roller, and the rolling part is annularly arranged on the outer periphery of the rotating part, which deviates from the rotating roller; the rolling part is bent by a preset angle in the direction of the rotating axis of the rotating roller relative to the rotating part; the rotating part is also provided with a plurality of positioning holes which are through holes; the positioning holes are circumferentially arranged at equal intervals by the rotating axis of the rotating part; the positioning holes penetrate through a connecting shaft to be fixedly connected; the positioning plate is arranged on the rotating roller and is fixedly connected with the rotating roller; the positioning plate is arranged on the side face of the rotating roller in the direction of the rotating axis, the rolling pieces are abutted against the positioning plate, and the connecting shaft penetrates through the positioning plate and then sequentially penetrates through the positioning hole of each rolling piece.
Preferably, the rotating part is provided with a first limiting block protruding towards the rotating axis direction of the rotating roller, and the first limiting block forms a first limiting groove on the surface of the other side of the rotating part; the first limiting blocks of two adjacent rolling pieces are inserted into the first limiting groove on the other rolling piece.
Preferably, the rotating part is further provided with a plurality of positioning holes, and the positioning holes are through holes; the positioning holes are circumferentially arranged at equal intervals by the rotating axis of the rotating part; the positioning holes penetrate through a connecting shaft to be fixedly connected.
Preferably, a second limiting block is arranged on the surface of the rotating roller, and the second limiting block is a protruding structure on the surface of the rotating roller along the rotating axis direction of the rotating roller; and a second limiting groove is formed in the position, corresponding to the second limiting block, of the rotating part, and when the rotating part is sleeved on the outer peripheral side of the rotating roller, the second limiting block is arranged in the second limiting groove.
Preferably, the two roller bodies are arranged oppositely, and the rolling member surface on one roller body is located on two adjacent rolling members on the other roller body.
The invention also includes an industrial stone crusher which adopts a pair of rolls comprising any one of the crushers described above.
Compared with the prior art, the pair roller of the crusher and the industrial stone crusher provided by the invention have the following advantages:
1. the cover that rolls through setting up a plurality of ring structures locates the live-rollers periphery side, and a plurality of pieces that roll connect gradually and form and roll the surface, make in long-term mine work, when rolling a surface pit appear, when defects such as deformation, the user can dismantle alone and change the single piece that rolls that corresponds can, need not to be used for rolling broken roll body with whole and change, improved material utilization, avoid the higher problem of cost that the whole roll body of changing brought. Simultaneously, through the piece of rolling that a plurality of components of a whole that can function independently set up for the user can change alone when changing the piece of rolling that corresponds and produce the defect, has avoided the dismantlement that whole dismantlement roll body brought, has installed the problem of difficulty again, has made things convenient for user maintenance and maintenance roll body, especially under the abominable operational environment in mining machinery, this breaker pair roller has simple structure, the characteristics of being convenient for to change, make in the course of the work, the user of being convenient for changes and maintains the piece of rolling, improve work efficiency. Further, locate the live-rollers periphery side through setting up a plurality of pieces that roll cover, and a plurality of pieces that roll rotate with the live-rollers is coaxial, make when rolling the piece surface at the course of the work, it is more even to the rotation tangential force that rolls piece itself and receive owing to rotate, also more even tangential force makes between two adjacent pieces that roll receive the influence of rotation tangential force direction littleer, it is inseparabler to connect, avoid two adjacent pieces that roll to produce the breach in the junction owing to receiving rotation tangential force, lead to the unqualified problem of broken powder, work efficiency and crushing quality have been improved.
2. Through setting up the portion of rolling of slope of buckling, make rolling the in-process, two adjacent portions of rolling produce mutual inclined force through the portion of rolling of the slope of buckling, make two adjacent portions of rolling because mutual effort is connected more closely down, avoided only relying on external connection fixed equipment to fix the fixed easy inefficacy that brings between the portion of rolling, the problem of atress imbalance, the laminating compactness between the piece of rolling has been improved, further avoid two adjacent portions of rolling to produce the breach because the atress is unbalanced in the junction, lead to the unqualified problem of broken powder, work efficiency and crushing quality have been improved.
3. The first limiting block is a protruding structure on the surface of one side of the rotating portion, and the opposite side corresponding to the protruding structure forms the first limiting groove, so that the first limiting blocks of the multiple rolling pieces are sequentially inserted into the limiting groove of the other rolling piece, the stress balance of the multiple rolling pieces in the rotating rolling working process is further improved, and the problem of insufficient rolling quality caused by relative rotation among the multiple rolling pieces is also avoided.
4. The locating plate is located the live-rollers side in the axis direction of rotation, roll the piece support hold in on the locating plate, the connecting axle passes on passing every locating hole of rolling the piece in proper order behind the locating plate to when fixed a plurality of rolling the piece and connect, with a plurality of rolling the piece and be positioned the live-rollers, drive the synchronous coaxial rotation of rolling the piece through the connecting axle when making the live-rollers rotate, further improve the connection compactness between a plurality of rolling the piece.
5. The portion of rotating corresponds the position of second stopper is equipped with the second spacing groove, works as the portion of rotating overlaps and locates when the live-rollers periphery side is last, the second stopper is arranged in the second spacing inslot, and when the installation, user's accessible second spacing groove supports and holds on the second stopper, slides and rolls the piece in order to roll a plurality of pieces installation in place in proper order, avoids rolling the in-process of piece and lacks the problem of location at the installation or dismantlement rolling piece, has improved the installation and the dismantlement installation nature that rolls the piece. Meanwhile, in the working process, the rolling part is driven to rotate based on the abutting action of the second limiting block and the second limiting groove.
6. Based on rolling a dislocation set through two roll bodys in the pair roller, the junction position that the adjacent portion of rolling that one of them rolled the portion of rolling contact another roll body formed, make in rolling the work, roll between the portion of rolling on a roll body acts on two rolling portions on another roll body, let a plurality of rolling parts on each roll body stress more balanced rolling the atress in-process, avoid two rolling parts just to when setting up, a plurality of rolling parts unbalanced problems of atress on the same roll body that two rolling parts independent atress lead to, connection stability and compactness between a plurality of rolling parts have further been improved, avoid relative rotation and atress unbalance and the problem that produces the gap between the rolling parts, further improve the efficiency and the quality that roll crushing work.
Drawings
Fig. 1 is a schematic structural view of one roller body of a pair roller of a crusher provided by a first embodiment of the invention.
Fig. 2 is a schematic structural view of the side surface of the roller body of the crusher pair roller provided by the first embodiment of the invention.
Fig. 3 is a schematic structural view of the connection of a plurality of crushing elements in a pair of rollers of the crusher according to the first embodiment of the present invention.
Fig. 4 is a schematic structural view of the side of the rolling member in the pair roller of the crusher provided by the first embodiment of the invention.
Fig. 5 is a schematic structural diagram of a crusher roll pair in which a plurality of rolling members are sleeved on a rotating roll according to a first embodiment of the invention.
Fig. 6 is a schematic structural diagram of the crusher provided by the first embodiment of the invention when two roller bodies of a pair of rollers are arranged in a staggered manner.
Description of reference numerals:
1-crusher double roll, 100-roll body,
11-a rotating roller, 111-a second limiting block and 112-a positioning plate;
12-rolling piece, 121-rotating part, 1211-first limiting block, 1212-first limiting groove, 1213-positioning hole, 1214-second limiting groove, 122-rolling part,
13-connecting shaft.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Referring to fig. 1 and 2, a pair of rollers 1 of a crusher according to a first embodiment of the present invention includes two roller bodies 100, where the roller bodies 100 include a rotating roller 11 and a plurality of rolling members 12, and each rolling member 12 is an annular structure.
The rolling elements 12 are sequentially sleeved on the outer peripheral side of the rotating roller 11, the rotating roller 11 drives the rolling elements 12 to rotate coaxially (as shown by a rotating axis b in fig. 1), and the rolling elements 12 are sequentially connected to form a rolling surface.
It will be appreciated that each of the rollers 12 has a thickness, and a plurality of the rollers 12 are connected in series to form a stick-like rolling surface, and the rotating roller 11 rotates the sleeved rollers 12 so that the two roller bodies 100 rotate to roll stone through the surface of the rollers 12.
It can be understood that 11 periphery sides of live-rollers are located to the piece 12 cover that rolls through setting up a plurality of ring structures, and a plurality of rolling pieces 12 connect gradually and form and roll the surface, make in long-term mine work, when rolling a 12 surperficial pit that appears, when defect such as deformation, the user can dismantle alone and change corresponding single rolling piece 12 can, need not to be used for rolling whole broken roll body 100 and change, and the material utilization ratio is improved, avoid the whole higher problem of cost that changes roll body 100 and come. Simultaneously, through the rolling piece 12 that a plurality of components of a whole that can function independently set up, make the user when changing rolling piece 12, can change alone and correspond the rolling piece 12 that produces the defect, the dismantlement that has avoided whole dismantlement roll body 100 to bring, the difficult problem of reinstallation, made things convenient for user maintenance and maintenance roll body 100, especially under the abominable operational environment in mining machinery, this breaker pair roller 1 has simple structure, the characteristics of being convenient for to change, make in the course of the work, the user of being convenient for changes and maintains rolling piece 12, and the work efficiency is improved. Further, 11 periphery sides are located through setting up a plurality of rolling pieces 12 cover, and a plurality of rolling pieces 12 and the coaxial rotation of live-rollers 11, make when rolling piece 12 surface at the course of the work, because rotate and more even to the rotation tangential force that rolling piece 12 itself received, also more even tangential force makes between two adjacent rolling pieces 12 receive the influence of rotation tangential force direction littleer, it is inseparabler to connect, avoid two adjacent rolling pieces 12 to produce the breach in the junction owing to receiving rotation tangential force, lead to the unqualified problem of broken powder, work efficiency and crushing quality have been improved.
Referring to fig. 3, the rolling member 12 includes a rotating portion 121 and a rolling portion 122, the rotating portion 121 is disposed on an outer circumferential side of the rotating roller 11, and the rolling portion 122 is disposed around an outer circumferential side of the rotating portion 121 away from the rotating roller 11. The pressing portion 122 is bent at a predetermined angle in the direction of the rotation axis of the rotating roller 11 with respect to the rotating portion 121, and the predetermined angle is between 30 ° and 60 °, preferably 30 °, 45 °, 50 °, or 60 °, and most preferably 45 °. When the rolling parts 12 are sequentially connected to the outer circumferential side of the rotating roller 11, the rolling parts 122 of each rolling part 12 sequentially contact and abut against each other, and the rolling parts 122 are sequentially connected to form a flat rolling surface.
It can be understood, through setting up the portion 122 of rolling of buckling the slope, make rolling the in-process, two adjacent portions 12 of rolling produce mutual inclined acting force through the portion 122 of rolling of buckling the slope, make two adjacent portions 122 of rolling connect more closely under the effect of mutual acting force, avoided only relying on external connection fixed equipment to fix the fixed easy inefficacy that brings between the portion 122 of rolling, the unbalanced problem of atress, the laminating compactness between the piece 12 of rolling has been improved, further avoid two adjacent portions 12 of rolling to produce the breach because the atress is unbalanced in the junction, lead to the unqualified problem of broken powder, work efficiency and crushing quality have been improved.
Optionally, referring to fig. 3, as an embodiment, a first stopper 1211 protruding toward the rotation axis of the rotating roller 11 is disposed on the rotating portion 121, and the first stopper 1211 forms a first stopper groove 1212 on the other side surface of the rotating portion 121. When the pressing members 12 are installed, the first limit block 1211 in one pressing member 12 of two adjacent pressing members 12 is inserted into the first limit groove 1212 in the other pressing member 12.
It can be understood that the first limiting block 1211 is a protruding structure on a surface of one side of the rotating portion 121, and the first limiting groove 1212 is formed on an opposite side of the protruding structure, so that the first limiting blocks 1211 of the multiple rolling elements 12 are sequentially inserted into the limiting groove 1212 of another rolling element 12, and the stress balance of the multiple rolling elements 12 during the rotating and rolling operation is further improved, and the problem of insufficient rolling quality caused by relative rotation between the multiple rolling elements 12 is also avoided.
Referring to fig. 1 and fig. 4, the rotating portion 121 is further provided with a plurality of positioning holes 1213, and the plurality of positioning holes 1213 are through hole structures. The positioning holes 1213 are circumferentially arranged at equal intervals around the rotation axis of the rotation portion 121, and the positioning holes 1213 are fixedly connected through a connecting shaft 13.
It will be appreciated that the plurality of grinding elements 12 are held in compression by the connecting shaft 13 passing through the locating holes 1213 of each grinding element 12 in turn and being tightened by nuts (not shown). Correspondingly, referring to fig. 2, a positioning plate 112 is disposed on the rotating roller 11, and the positioning plate 112 is fixedly connected to the rotating roller 11.
The positioning plate 112 is disposed on the side surface of the rotating roll 11 in the direction of the rotating axis, the rolling pieces 12 are abutted against the positioning plate 112, and the connecting shaft 13 penetrates through the positioning plate 112 and then sequentially penetrates through the positioning hole 1213 of each rolling piece 12, so that the plurality of rolling pieces 12 are positioned on the rotating roll 11 while the plurality of rolling pieces 12 are connected, so that the rotating roll 11 is driven by the connecting shaft 13 to synchronously and coaxially rotate the rolling pieces 12 when rotating, and the connection tightness between the plurality of rolling pieces 12 is further improved.
Referring to fig. 4 and 5, a second stopper 111 is disposed on the surface of the rotating roller 11, and the second stopper 111 is a protrusion structure on the surface of the rotating roller 11 along the rotating axis direction (e.g., the rotating axis b in fig. 5) of the rotating roller 11.
The position of the rotating part 121 corresponding to the second limiting block 111 is provided with a second limiting groove 1214, when the rotating part 121 is sleeved on the outer peripheral side of the rotating roller 11, the second limiting block 111 is arranged in the second limiting groove 1214, when the roller is installed, a user can abut against the second limiting block 111 through the second limiting groove 1214, the roller 12 is slid to sequentially install the plurality of roller 12 in place, the problem that the roller 12 is lack of positioning in the process of installing or detaching the roller 12 is avoided, and the installation and detachment installation performance of the roller 12 is improved. Meanwhile, in operation, the rolling element 12 may also be driven to rotate based on the abutting action of the second limiting block 111 and the second limiting groove 1214.
Alternatively, referring to fig. 6, as an embodiment, the two roller bodies 100 are arranged oppositely, and the surface of the rolling element 12 on one roller body 100 is located on the adjacent two rolling elements 12 on the other roller body 100, that is, the two roller bodies 100 of the pair are arranged on the basis of the rolling element 12 being staggered, as shown in fig. 6, the pressing part 122 of one rolling element 12 contacts the position of the joint formed by the adjacent pressing part 122 of the other roller body 100, so that in the rolling operation, the pressing part 122 on one roller body 100 acts between the two pressing parts 122 on the other roller body 100, the pressing elements 12 on each roller body 100 are stressed more uniformly in the rolling stress process, the problem of unbalanced stress of the rolling elements 12 on the same roller body 100 caused by independent stress of the two rolling elements 12 when the two rolling elements 12 are arranged oppositely is avoided, and the connection stability and performance between multiple pressing elements are further improved, the problem that gaps are generated due to the fact that relative rotation and stress between the rolling pieces 12 are not balanced is avoided, and the efficiency and the quality of the rolling and crushing work are further improved.
A second embodiment of the present invention provides an industrial stone crusher using the pair of crusher rolls 1 described in the first embodiment above.
It can be understood that the industrial stone crusher crushes the stone by crushing the stone by the crusher roll 1 to secondarily crush the primarily crushed stone to form the powdery material.
Compared with the prior art, the pair roller of the crusher and the industrial stone crusher provided by the invention have the following advantages:
1. the cover that rolls through setting up a plurality of ring structures locates the live-rollers periphery side, and a plurality of pieces that roll connect gradually and form and roll the surface, make in long-term mine work, when rolling a surface pit appear, when defects such as deformation, the user can dismantle alone and change the single piece that rolls that corresponds can, need not to be used for rolling broken roll body with whole and change, improved material utilization, avoid the higher problem of cost that the whole roll body of changing brought. Simultaneously, through the piece of rolling that a plurality of components of a whole that can function independently set up for the user can change alone when changing the piece of rolling that corresponds and produce the defect, has avoided the dismantlement that whole dismantlement roll body brought, has installed the problem of difficulty again, has made things convenient for user maintenance and maintenance roll body, especially under the abominable operational environment in mining machinery, this breaker pair roller has simple structure, the characteristics of being convenient for to change, make in the course of the work, the user of being convenient for changes and maintains the piece of rolling, improve work efficiency. Further, locate the live-rollers periphery side through setting up a plurality of pieces that roll cover, and a plurality of pieces that roll rotate with the live-rollers is coaxial, make when rolling the piece surface at the course of the work, it is more even to the rotation tangential force that rolls piece itself and receive owing to rotate, also more even tangential force makes between two adjacent pieces that roll receive the influence of rotation tangential force direction littleer, it is inseparabler to connect, avoid two adjacent pieces that roll to produce the breach in the junction owing to receiving rotation tangential force, lead to the unqualified problem of broken powder, work efficiency and crushing quality have been improved.
2. Through setting up the portion of rolling of slope of buckling, make rolling the in-process, two adjacent portions of rolling produce mutual inclined force through the portion of rolling of the slope of buckling, make two adjacent portions of rolling because mutual effort is connected more closely down, avoided only relying on external connection fixed equipment to fix the fixed easy inefficacy that brings between the portion of rolling, the problem of atress imbalance, the laminating compactness between the piece of rolling has been improved, further avoid two adjacent portions of rolling to produce the breach because the atress is unbalanced in the junction, lead to the unqualified problem of broken powder, work efficiency and crushing quality have been improved.
3. The first limiting block is a protruding structure on the surface of one side of the rotating portion, and the opposite side corresponding to the protruding structure forms the first limiting groove, so that the first limiting blocks of the multiple rolling pieces are sequentially inserted into the limiting groove of the other rolling piece, the stress balance of the multiple rolling pieces in the rotating rolling working process is further improved, and the problem of insufficient rolling quality caused by relative rotation among the multiple rolling pieces is also avoided.
4. The locating plate is located the live-rollers side in the axis direction of rotation, roll the piece support hold in on the locating plate, the connecting axle passes on passing every locating hole of rolling the piece in proper order behind the locating plate to when fixed a plurality of rolling the piece and connect, with a plurality of rolling the piece and be positioned the live-rollers, drive the synchronous coaxial rotation of rolling the piece through the connecting axle when making the live-rollers rotate, further improve the connection compactness between a plurality of rolling the piece.
5. The rotation portion corresponds the position of second stopper is equipped with the second spacing groove, works as the rotation portion cover is located when the live-rollers is on the periphery side, the second stopper is arranged in the second spacing inslot, when the installation, user's accessible second spacing groove is supported and is held on the second stopper, slides and rolls the piece in order to target in place a plurality of pieces installation that roll in proper order, avoids rolling the in-process of piece at the installation or dismantlement and rolls the problem that the piece lacks the location, has improved the installation and the dismantlement installation nature that rolls the piece. Meanwhile, in the working process, the rolling part is driven to rotate based on the abutting action of the second limiting block and the second limiting groove.
6. Based on rolling a dislocation set through two roll bodys in the pair roller, the junction position that the adjacent portion of rolling that one of them rolled the portion of rolling contact another roll body formed, make in rolling the work, roll between the portion of rolling on a roll body acts on two rolling portions on another roll body, let a plurality of rolling parts on each roll body stress more balanced rolling the atress in-process, avoid two rolling parts just to when setting up, a plurality of rolling parts unbalanced problems of atress on the same roll body that two rolling parts independent atress lead to, connection stability and compactness between a plurality of rolling parts have further been improved, avoid relative rotation and atress unbalance and the problem that produces the gap between the rolling parts, further improve the efficiency and the quality that roll crushing work.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. A pair roller of a crusher is characterized in that: the roller comprises two roller bodies, wherein each roller body comprises a rotating roller and a plurality of rolling parts, and each rolling part is of an annular structure;
the rolling pieces are sequentially sleeved on the outer peripheral side of the rotating roller, and the rotating roller drives the rolling pieces to coaxially rotate;
the rolling pieces are sequentially connected to form a rolling surface; the rolling part comprises a rotating part and a rolling part, the rotating part is sleeved on the outer periphery of the rotating roller, and the rolling part is annularly arranged on the outer periphery of the rotating part, which deviates from the rotating roller;
the rolling part is bent by a preset angle in the direction of the rotating axis of the rotating roller relative to the rotating part;
the rotating part is also provided with a plurality of positioning holes which are through holes;
the positioning holes are circumferentially arranged at equal intervals by the rotating axis of the rotating part;
the positioning holes penetrate through a connecting shaft to be fixedly connected;
the rotating roller is provided with a positioning plate, and the positioning plate is fixedly connected with the rotating roller;
the positioning plate is arranged on the side face of the rotating roller in the direction of the rotating axis, the rolling pieces are abutted against the positioning plate, and the connecting shaft penetrates through the positioning plate and then sequentially penetrates through the positioning hole of each rolling piece.
2. The paired roll crusher as claimed in claim 1, wherein: the rotating part is provided with a first limiting block protruding towards the rotating axis direction of the rotating roller, and a first limiting groove is formed on the other side surface of the rotating part by the first limiting block;
the first limiting blocks of two adjacent rolling pieces are inserted into the first limiting groove on the other rolling piece.
3. The paired roll crusher as claimed in claim 1, wherein: the surface of the rotating roller is provided with a second limiting block, and the second limiting block is a protruding structure of the surface of the rotating roller along the rotating axis direction of the rotating roller;
and a second limiting groove is formed in the position, corresponding to the second limiting block, of the rotating part, and when the rotating part is sleeved on the outer peripheral side of the rotating roller, the second limiting block is arranged in the second limiting groove.
4. The paired roll crusher rolls as claimed in claim 1, wherein: the two roller bodies are oppositely arranged, and the surface of the rolling piece on one roller body is positioned on two adjacent rolling pieces on the other roller body.
5. An industrial stone crusher, characterized in that it comprises a pair of crusher rolls as claimed in any one of the preceding claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532486.5A CN112871274B (en) | 2020-12-22 | 2020-12-22 | Crusher double-roller and industrial stone crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532486.5A CN112871274B (en) | 2020-12-22 | 2020-12-22 | Crusher double-roller and industrial stone crusher |
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| CN112871274A CN112871274A (en) | 2021-06-01 |
| CN112871274B true CN112871274B (en) | 2022-06-17 |
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| CN210385995U (en) * | 2019-07-13 | 2020-04-24 | 郑州金利窑炉工程有限公司 | Double-roller crusher for producing slag iron isolating agent |
| CN214288418U (en) * | 2020-12-22 | 2021-09-28 | 周文兵 | Crusher double-roller and industrial stone crusher |
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| CN112871274A (en) | 2021-06-01 |
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Effective date of registration: 20220830 Address after: 425800 Economic Development Zone, Lanshan County, Yongzhou City, Hunan Province (2nd Floor, Office Building, Hongtai Industrial Park) Patentee after: Lanshan Lianjia Alloy Casting Co.,Ltd. Address before: No. 261, Yinghua village, Tangcun Town, Jiahe County, Chenzhou City, Hunan Province Patentee before: Zhou Wenbing |