CN211563137U - Hammer type pulverizer - Google Patents
Hammer type pulverizer Download PDFInfo
- Publication number
- CN211563137U CN211563137U CN201922351770.1U CN201922351770U CN211563137U CN 211563137 U CN211563137 U CN 211563137U CN 201922351770 U CN201922351770 U CN 201922351770U CN 211563137 U CN211563137 U CN 211563137U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- cooling device
- inner mounting
- blade
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a hammer crusher, which comprises a shell, a rotating shaft which is rotatablely arranged in the shell in a penetrating way, a fixing part which is sleeved on the rotating shaft and is arranged inside the shell, and a hammer sheet which is connected with the fixing part, wherein the hammer sheet is used for crushing materials put into the crusher; the rotating shaft comprises a rotating shaft body connected with the fixing piece and a supporting piece arranged on the outer side of the shell, and the supporting piece is rotatably connected with the rotating shaft body; the hammer mill further comprises a cooling device sleeved on the rotating shaft body, and the cooling device is arranged between the supporting piece and the shell. Through adopting above-mentioned technical scheme, when hammer mill was in operating condition, cooling device cooled down support piece, thereby can reduce support piece's temperature extension support piece's life.
Description
Technical Field
The utility model relates to a rubbing crusher field, in particular to hammer mill.
Background
The hammer mill is a production facility that will add the material of rubbing crusher through the impact force and carry out kibbling, and the hammer mill includes rotatory rotor and sets up the hammer leaf on the rotor, and the hammer mill drives the hammer leaf through the rotor and rotates and strike the material that adds in the rubbing crusher to smash tiny material with thick material, hammer mill wide application in each industrial field, for example cement, chemical industry, electric power, metallurgy etc..
Two bearings are arranged at two ends of a rotor of the existing hammer mill, when the hammer mill is in a working state, the rotor rotates to enable the bearings to generate a large amount of heat, the bearings work in a high-temperature state for a long time, the service life of the bearings is short, and therefore the bearings need to be frequently replaced, and the running cost of the hammer mill is increased. In the prior art, the service life of the bearing is prolonged by reducing the rotating speed of the rotor, and if the rotating speed of the rotor is only reduced, although the working temperature of the bearing can be effectively reduced and the service life of the bearing is prolonged, the reduction of the rotating speed of the rotor can reduce the working efficiency of the hammer mill, reduce the yield and can not meet the production requirement.
There is therefore a need in the art for a hammer mill that can extend the useful life of the bearings without affecting the output and efficiency of the machine.
SUMMERY OF THE UTILITY MODEL
An object of an embodiment of the utility model is to provide a hammer mill, this hammer mill includes: a housing; a rotating shaft rotatably inserted in the housing; the fixing piece is sleeved on the rotating shaft and arranged in the shell; and the hammer sheet is connected with the fixing piece and used for crushing the materials put into the crusher. The rotating shaft comprises a rotating shaft body connected with the fixing piece and a supporting piece arranged on the outer side of the shell, and the supporting piece is rotatably connected with the rotating shaft body; the hammer mill further comprises a cooling device sleeved on the rotating shaft body, and the cooling device is arranged between the supporting piece and the shell.
According to an embodiment of the present invention, the support member comprises: the first supporting piece is arranged at the first end part of the rotating shaft, and the second supporting piece is arranged at the second end part of the rotating shaft.
According to the utility model discloses an embodiment, cooling device includes: a first cooling device disposed between the first support and the housing and a second cooling device disposed between the second support and the housing.
According to an embodiment of the present invention, the first cooling device includes: the first inner mounting piece is sleeved on the rotating shaft body; the first blade is fixedly connected with the first inner mounting piece, and the first outer mounting piece is fixedly connected with the end part, far away from the first inner mounting piece, of the first blade; the second cooling device includes: the second inner mounting piece is sleeved on the rotating shaft body; a second blade fixedly connected to the second inner mount and a second outer mount fixedly connected to an end of the second blade remote from the second inner mount.
According to the utility model discloses an embodiment, first cooling device with the pivot body passes through coupling assembling to be connected and second cooling device with the pivot body passes through the same coupling assembling to be connected, coupling assembling includes: the connecting groove is formed in the side face of the rotating shaft body and faces towards the first inner mounting piece or the second inner mounting piece, and the connecting key is arranged on the side face of the rotating shaft body and faces towards the first inner mounting piece or the second inner mounting piece.
According to the utility model discloses an embodiment, first cooling device with the pivot body and second cooling device with the pivot body passes through coupling assembling to be connected, coupling assembling includes: the connecting groove is formed in the side face, facing the first inner mounting piece or the second inner mounting piece, of the rotating shaft body, and the connecting key is arranged on the side face, facing the rotating shaft body, of the first inner mounting piece or the second inner mounting piece.
According to an embodiment of the present invention, a plurality of said first blades are arranged between said first inner mounting member and said first outer mounting member; a plurality of second blades are arranged between the second inner mounting piece and the second inner mounting piece.
According to an embodiment of the invention, the first blade is arranged obliquely with respect to the axial direction of the first inner mounting; the second blade is disposed obliquely to an axial direction of the second inner mount.
According to the utility model discloses an embodiment, first blade for the axis direction slope setting of first interior installed part specifically is: when the hammer mill is horizontally arranged and the first blade is rotated to the highest horizontal height, the included angle between the projection of the first blade on a plane parallel to the horizontal plane and the projection of the axis of the first inner mounting piece on the same plane is 20 degrees and 40 degrees, and the included angle between the projection of the first blade on a plane vertical to the axis of the rotating shaft body and the projection of a straight line which is vertical to the horizontal plane and intersects with the axis of the rotating shaft body on the same plane is 5 degrees and 15 degrees; the second blade is specifically arranged in a manner of inclining relative to the axis direction of the second inner mounting part as follows: when the hammer mill is horizontally arranged and the second vane rotates to the highest horizontal height, the included angle between the projection of the second vane on a plane parallel to the horizontal plane and the projection of the axis of the second inner mounting piece on the same plane is 20-40 degrees, and the included angle between the projection of the second vane on a plane perpendicular to the axis of the rotating shaft body and the projection of a straight line which is perpendicular to the horizontal plane and intersects with the axis of the rotating shaft body on the same plane is 5-15 degrees.
According to an embodiment of the present invention, the air outlet direction of the first blade when rotating faces the first supporting member; the air outlet direction of the second blade when rotating faces the second supporting piece.
By adopting the technical scheme, the utility model discloses a main technological effect includes:
1. the cooling device is arranged between the supporting piece and the shell to cool the supporting piece, so that the working temperature of the supporting piece can be effectively reduced, and the service life of the supporting piece is prolonged;
2. the cooling device is sleeved on the rotating shaft, the cooling effect of the cooling device on the supporting piece is better when the rotating speed of the rotating shaft is higher, so that the supporting piece can be cooled by the cooling device without reducing the rotating speed of the rotating shaft;
3. the direction of the blades is arranged in an inclined mode, the air outlet direction of the cooling device faces towards the supporting piece, and therefore the supporting piece is cooled.
Drawings
Fig. 1 is a schematic view of a hammer mill according to an embodiment of the present invention;
fig. 2 is a structural view of a first cooling device according to an embodiment of the present invention;
fig. 3 is a schematic view of a first cooling device according to an embodiment of the present invention;
fig. 4 is a structural view of a second cooling device according to an embodiment of the present invention;
fig. 5 is a schematic view of a second cooling device according to an embodiment of the present invention;
in the figure: 1. a housing; 2. a rotating shaft; 21. a rotating shaft body; 22. a support member; 221. a first support member; 222. a second support member; 3. a fixing member; 4. a hammer sheet; 5. a cooling device; 51. a first cooling device; 511. a first inner mount; 512. a first blade; 513. a first outer mount; 52. a second cooling device; 521. a second inner mount; 522. a second blade; 523. a second outer mounting member; 6. and connecting the grooves.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a hammer mill, this hammer mill include casing 1, rotationally wear to establish pivot 2, the cover in casing 1 and establish in pivot 2 and set up at the inside mounting 3 of casing 1 and the hammer leaf 4 of being connected with mounting 3. The rotating shaft 2 rotates to drive the fixing piece 3 to rotate, the fixing piece 3 drives the hammer sheet 4 to rotate, the hammer sheet 4 performs hammering and crushing on materials added into the hammer crusher, and the crushed materials are output to other equipment from the hammer crusher. Preferably, the hammer mill can also comprise a screen for screening the crushed materials, the materials are screened by the screen after being crushed by the hammer sheet, and the materials meeting the production requirements are selected. The rotating shaft 2 is inserted into the housing 1, two ends of the rotating shaft 2 penetrate out of the housing 1, the rotating shaft 2 includes a rotating shaft body 21 connected to the fixing member 3 and a supporting member 22 disposed outside the housing 1, the supporting member 22 may be a bearing or other rotating supporting member, and the supporting member 22 includes a first supporting member 221 disposed at a first end of the rotating shaft 2 and a second supporting member 222 disposed at a second end of the rotating shaft 2.
Referring to fig. 1, in order to reduce the operating temperature of the support member 22 (herein, the operating temperature refers to the temperature of the support member 22 when the hammer mill is in an operating state), the hammer mill is provided with a cooling device 5, and the cooling device 5 includes a first cooling device 51 disposed between the first support member 221 and the case 1 and a second cooling device 52 disposed between the second support member 222 and the case 1, wherein the first cooling device 51 cools the first support member 221 and the second cooling device 52 cools the second support member 222, thereby reducing the operating temperatures of the first support member 221 and the second support member 222. The first cooling device 51 has the same configuration as the second cooling device 52, and differs only in the mounting position and the cooling target, and the first cooling device 51 will be described as an example; the first support 221 and the second support 222 have the same structure, and only the installation position is different, and the first support 221 is taken as an example for description.
Referring to fig. 2 and 3, the first cooling device 51 includes a first inner mounting part 511 mounted on the rotating shaft body 21, a first blade 512 fixedly connected to the first inner mounting part 511, and a first outer mounting part 513 fixedly connected to an end portion of the first blade 512 far from the first inner mounting part 511, and a plurality of first blades 512 are disposed between the first inner mounting part 511 and the first outer mounting part 513. The shapes of the first inner mounting element 511 and the first outer mounting element 513 are not limited, and the shapes of the first inner mounting element 511 and the first outer mounting element 513 may be the same, for example, the first inner mounting element 511 and the first outer mounting element 513 are round pipe-shaped members with different radii, the diameter of the first outer mounting element 513 is larger than that of the first inner mounting element 511, and the length of the first outer mounting element 513 is smaller than that of the first inner mounting element 511, but of course, the shapes of the first inner mounting element 511 and the first outer mounting element 513 may be different, for example, the first inner mounting element 511 is a round pipe-shaped member, and the first outer mounting element 513 is a square pipe-shaped member. Likewise, the second cooling device 52 includes a second inner mounting element 521, a second blade 522 and a second outer mounting element 523, the second blade 522 is also disposed between the second outer mounting element 523 and the second inner mounting element 521 and the second cooling device 52 includes a plurality of second blades 522. When the pulverizer is in an operating state, the rotating shaft body 21 drives the first cooling device 51 to rotate, the first blade 512 drives the air to flow, and the air with the temperature lower than the operating temperature of the first supporting member 221 is blown to the first supporting member 221, so as to cool the first supporting member 221. The first cooling device 51 blows air toward the first support 221, and the second cooling device 52 blows air toward the second support 222, thereby reducing the operating temperatures of the first support 221 and the second support 222.
Referring to fig. 1 and 2, the first inner mounting member 511 of the first cooling device 51 is connected to the spindle body 21 through a connection assembly, and the structure of the first connection assembly is not limited herein, and the first connection assembly may include a first mounting groove formed in the spindle body, a second mounting groove formed in the first inner mounting member, and a mounting key for connecting the first mounting groove and the second mounting groove, the mounting key being inserted into the first mounting groove and the second mounting groove to complete the connection of the spindle body 21 to the first cooling device 51, preferably, the first connection assembly in this embodiment includes a first connection groove 6 formed on a side of the first inner mounting member 511 facing the spindle body 21 and a first connection key (not shown) provided on a side of the spindle body 21 facing the first inner mounting member 511, and the first connection key is inserted into the first connection groove 6 to complete the connection between the first cooling device 51 and the spindle body 21, of course, it is assumed that the first connecting groove 6 may be opened on the side surface of the rotating shaft body 21 facing the first inner mounting member 511, and in this case, the first connecting key may be provided on the side surface of the first inner mounting member 511 facing the rotating shaft body 21, and in this case, the first cooling device 51 may be connected to the rotating shaft body 21 by inserting the first connecting key into the first connecting groove 6. Referring to fig. 1 and 4, similarly, the second inner mount 521 of the second cooling device 52 is also connected to the rotating shaft body 21 by inserting a second connecting key into the second connecting groove 7 through a second connecting assembly having the same structure.
Referring to fig. 2 and 3, a plurality of first blades 512 are disposed between the first inner mounting device 511 and the first outer mounting device 513, and preferably, 12 first blades 512 are disposed between the first inner mounting device 511 and the first outer mounting device 513 in this embodiment, the 12 first blades 512 are uniformly disposed along the circumferential direction of the first inner mounting device 511, and the 12 first blades 512 are disposed in axial center symmetry of the first inner mounting device 511. In order to enable better cooling of the first support 221, air is blown intensively onto the support, and the first blades 512 of the first cooling device 51 are disposed obliquely with respect to the axial direction of the first inner mounting piece 511.
The first blade 512 is disposed in an inclined manner with respect to the axial direction of the first inner mounting member 511 specifically: when the hammer mill is horizontally disposed and the first vane 512 is rotated to the highest horizontal height, the angle between the projection of the first vane 512 on a plane parallel to the horizontal plane and the projection of the axis of the first inner mount 511 on the same plane is 20 ° to 40 °, and preferably 30 ° herein, and the angle between the projection of the first vane 512 on a plane perpendicular to the axis of the spindle body 21 and the projection of a line perpendicular to the horizontal plane and intersecting the axis on the same plane is 5 ° to 15 °, and preferably 10 ° herein. Specifically, the plurality of first blades 512 in this embodiment are arranged centrosymmetrically around the rotation axis of the spindle body 21, when any first blade 512 rotates to the highest position with the highest horizontal height, the projection of the first blade 512 on the horizontal plane and the projection of the axis of the first inner mounting part 511 on the horizontal plane form an angle of 30 °, and the projection of the first blade 512 on the vertical plane and the vertical line form an angle of 10 °, where it should be noted that the horizontal plane refers to a plane parallel to the ground when the hammer mill is placed horizontally (i.e., the rotation axis of the spindle body 21 of the hammer mill is parallel to the ground), the vertical plane refers to a plane perpendicular to the rotation axis of the spindle body 21 of the hammer mill, and the vertical line refers to a straight line perpendicular to the horizontal plane in the vertical plane and intersecting the rotation axis of the spindle body 21. Referring to fig. 4 and 5, likewise, the second vane 522 is disposed obliquely with respect to the second inner mount 521 in the same manner as the first vane 512 is disposed obliquely with respect to the first inner mount 511, i.e., when the hammer mill is disposed horizontally and the second vane 522 is rotated to the highest horizontal height, the angle between the projection of the second vane 522 on a plane parallel to the horizontal plane and the projection of the axis of the second inner mount 521 on the same plane is 20 ° to 40 °, preferably 30 ° in this case, and the angle between the projection of the second vane 522 on a plane perpendicular to the axis of the rotating shaft body 21 and the projection of a line perpendicular to the horizontal plane and intersecting the axis on the same plane is 5 ° to 15 °, preferably 10 ° in this case. The difference between the two is that the air outlet direction of the second blade 522 faces the second support 222, and the air outlet direction of the first blade 512 faces the first support 221.
Through adopting above-mentioned technical scheme, when hammer mill was in operating condition, pivot 2 drove 5 rotations of cooling device and lower the temperature to support piece 22, and the blade that the slope set up can be concentrated with wind-force and blow to support piece 22 on to make support piece 22's operating temperature reduce, and because 5 covers of cooling device establish on pivot 2, 2 rotational speeds of pivot are faster, and the wind-force that cooling device 5 blew off is big more, and the cooling effect is better, consequently need not to reduce the rotational speed of pivot 2 and also can lower the temperature to support piece 22.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (10)
1. A hammer mill comprising:
a housing;
a rotating shaft rotatably penetrated in the housing;
the fixing piece is sleeved on the rotating shaft and arranged inside the shell; and
the hammer sheet is connected with the fixing piece and used for crushing materials placed in the crusher;
the rotating shaft comprises a rotating shaft body connected with the fixing piece and a supporting piece arranged on the outer side of the shell, and the supporting piece is rotatably connected with the rotating shaft body;
the method is characterized in that:
the hammer mill further comprises a cooling device, the cooling device is sleeved on the rotating shaft body, and the cooling device is arranged between the supporting piece and the shell.
2. The hammer mill of claim 1, wherein:
the support member includes:
the first supporting piece is arranged at the first end part of the rotating shaft; and
a second support member disposed at a second end of the rotating shaft.
3. The hammer mill of claim 2, wherein:
the cooling device includes:
a first cooling device disposed between the first support and the housing; and
a second cooling device disposed between the second support and the housing.
4. A hammer mill according to claim 3, wherein:
the first cooling device includes:
the first inner mounting piece is sleeved on the rotating shaft body;
the first blade is fixedly connected with the first inner mounting piece; and
a first outer mounting member fixedly connected to an end of the first blade remote from the first inner mounting member;
the second cooling device includes:
the second inner mounting piece is sleeved on the rotating shaft body;
the second blade is fixedly connected with the second inner mounting piece; and
a second outer mount fixedly connected to an end of the second blade distal from the second inner mount.
5. The hammer mill of claim 4, wherein:
the first cooling device with the pivot body and the second cooling device with the pivot body is connected through the same coupling assembling, coupling assembling includes:
the connecting groove is formed in the side face, facing the rotating shaft body, of the first inner mounting piece or the second inner mounting piece; and
a connection key disposed on a side of the shaft body facing the first or second inner mounting member.
6. The hammer mill of claim 4, wherein:
the first cooling device with the pivot body and the second cooling device with the pivot body is connected through the same coupling assembling, coupling assembling includes:
the connecting groove is formed in the side face, facing the first inner mounting piece or the second inner mounting piece, of the rotating shaft body; and
a connection key disposed on a side of the first inner mounting part or the second inner mounting part facing the rotation shaft body.
7. The hammer mill of claim 4, wherein:
a plurality of first blades are arranged between the first inner mounting piece and the first outer mounting piece; and
a plurality of second blades are arranged between the second inner mounting piece and the second outer mounting piece.
8. The hammer mill of claim 7, wherein:
the first blade is obliquely arranged relative to the axial direction of the first inner mounting piece; and
the second blade is disposed obliquely to an axial direction of the second inner mount.
9. The hammer mill of claim 8, wherein:
the first blade is arranged in a manner of inclining relative to the axial direction of the first inner mounting piece, and specifically comprises the following steps:
when the hammer mill is horizontally arranged and the first blade rotates to the highest horizontal height, the included angle between the projection of the first blade on a plane parallel to the horizontal plane and the projection of the axis of the first inner mounting piece on the same plane is 20-40 degrees, and the included angle between the projection of the first blade on a plane vertical to the axis of the rotating shaft body and the projection of a straight line which is vertical to the horizontal plane and intersects with the axis of the rotating shaft body on the same plane is 5-15 degrees;
the second blade is specifically arranged in a manner of inclining relative to the axis direction of the second inner mounting part as follows:
when the hammer mill is horizontally arranged and the second vane rotates to the highest horizontal height, the included angle between the projection of the second vane on a plane parallel to the horizontal plane and the projection of the axis of the second inner mounting piece on the same plane is 20-40 degrees, and the included angle between the projection of the second vane on a plane perpendicular to the axis of the rotating shaft body and the projection of a straight line which is perpendicular to the horizontal plane and intersects with the axis of the rotating shaft body on the same plane is 5-15 degrees.
10. The hammer mill of claim 4, wherein:
the air outlet direction of the first blade during rotation faces the first supporting piece; and
the air outlet direction of the second blade when rotating faces the second supporting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351770.1U CN211563137U (en) | 2019-12-24 | 2019-12-24 | Hammer type pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351770.1U CN211563137U (en) | 2019-12-24 | 2019-12-24 | Hammer type pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211563137U true CN211563137U (en) | 2020-09-25 |
Family
ID=72548856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922351770.1U Active CN211563137U (en) | 2019-12-24 | 2019-12-24 | Hammer type pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211563137U (en) |
-
2019
- 2019-12-24 CN CN201922351770.1U patent/CN211563137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080050237A1 (en) | Rotor for wind turbine | |
| CN211563137U (en) | Hammer type pulverizer | |
| JP5683802B2 (en) | Vertical impact crusher | |
| CN106238169A (en) | A kind of single-shaft shredder | |
| US6729566B2 (en) | Multi-sided shaft for a crusher | |
| CN217335350U (en) | Built-in permanent magnet motor rotor | |
| EP3096884B1 (en) | Rotary collider air mill | |
| CN211630021U (en) | Motor front axle cooling device | |
| CN215147859U (en) | Air cooling protection structure of angle grinder | |
| CN208226788U (en) | A kind of electric machine radiator | |
| CN217093718U (en) | A kind of comminutor | |
| CN218516857U (en) | Crusher rotor seals dustproof construction | |
| CN216982303U (en) | Transmission device for downhole test data | |
| CN204283970U (en) | The protective equipment of axial-flow blower | |
| CN210629266U (en) | Air-cooled vibrating motor | |
| CN109365052A (en) | Heat dissipation type sand making machine rotor assembly | |
| CN209985505U (en) | Graphite smashing device | |
| US20030127549A1 (en) | Multi-sided shaft for a crusher | |
| CN217590565U (en) | Grinding roller adopting cantilever hollow shaft motor | |
| CN219003239U (en) | Detachable cutter head of Raymond mill shovel | |
| CN220716111U (en) | High-speed crushing equipment | |
| CN201735422U (en) | Single-shaft positive pressure grinder | |
| CN212975330U (en) | Crushing device for dry-method sand making machine | |
| CN219499115U (en) | Squirrel-cage asynchronous motor with return air cover | |
| CN213367535U (en) | Explosion-proof stepping motor capable of rapidly dissipating heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 464000 South of Weibei 1st Road and east of Jingbei 8th Road, Home Town, Yangshan New District, Xinyang City, Henan Province Patentee after: Wanhua Hexiang Group Co.,Ltd. Address before: 464000 yuanzhai village, East Office of industrial city, Xinyang City, Henan Province Patentee before: Wanhua ecological board integrated equipment Co.,Ltd. |
|
| CP03 | Change of name, title or address |