CN214118712U - Novel slicer main shaft for multi-wire cutting machine - Google Patents
Novel slicer main shaft for multi-wire cutting machine Download PDFInfo
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- CN214118712U CN214118712U CN202023129606.5U CN202023129606U CN214118712U CN 214118712 U CN214118712 U CN 214118712U CN 202023129606 U CN202023129606 U CN 202023129606U CN 214118712 U CN214118712 U CN 214118712U
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- slicer
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Abstract
The utility model discloses a novel slicer main shaft for multi-wire saw, include the center pin and set up the bearing housing outside the center pin, be provided with the bearing between center pin and the bearing housing, the bearing is including setting up front end bearing and the rear end bearing in center pin front end and rear end respectively, the center pin is the step shaft, and front end bearing and rear end bearing set up respectively on the different step sections of center pin, and this main shaft bears radial force and axial force respectively through setting up different bearings, has improved the rigidity of main shaft, through changing the gas supply channel position to and increase inner chamber space, has improved the cleanliness factor of main shaft, has optimized the cooling water route, has increased the cooling effect, makes the main shaft trouble still less, and life is longer, reduces and shuts down maintenance frequency, has increased production efficiency.
Description
Technical Field
The utility model belongs to multi-wire saw equipment field, specifically speaking relate to a novel slicer main shaft for multi-wire saw.
Background
The main shaft fault of multi-wire cutting equipment, especially a slicing machine, is always a key technical problem which troubles the development of the slicing machine to higher speed and higher working efficiency. The faults are mainly represented by bearing early failure caused by unreasonable selection and configuration of the bearing, sealing failure of a main shaft caused by foreign matters entering polluted lubricating grease, heating and locking of the main shaft caused by poor cooling effect of the main shaft and the like.
Accordingly, further developments and improvements are still needed in the art.
SUMMERY OF THE UTILITY MODEL
To prior art's all sorts of not enough, in order to solve above-mentioned problem, present, a novel slicer main shaft for multi-wire saw, the utility model discloses can strengthen the blowdown effect, increase the cooling effect, optimize the bearing atress.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel slicer main shaft for multi-wire saw, its includes the center pin and sets up in the outer bearing housing of center pin, be provided with the bearing between center pin and the bearing housing, the bearing is including setting up front end bearing and the rear end bearing in center pin front end and rear end respectively, the center pin is the step shaft, and front end bearing and rear end bearing set up respectively on the different ladder sections of center pin.
Preferably, the front end of the central shaft is provided with a contact surface for positioning a main roller of the slicing machine, and the contact surface is a conical or bush-shaped contact surface matched with the main roller of the slicing machine.
Preferably, the bearing sleeve comprises an inner bearing sleeve and an outer bearing sleeve, and a spiral cooling water tank is arranged between the inner bearing sleeve and the outer bearing sleeve.
Preferably, the front end bearing comprises a first front end bearing for mainly bearing radial force and a second front end bearing for mainly bearing axial force, the first front end bearing is a cylindrical roller bearing, the second front end bearing is an angular contact ball bearing, the second front end bearing is composed of angular contact ball bearings arranged in pairs, and the two angular contact ball bearings are arranged back to back or face to face.
Preferably, the front end bearing further comprises a first spacer ring and a first oil slinger for storing lubricating grease in the front end bearing, the first spacer ring and the first oil slinger are respectively arranged in a plurality of numbers, and the first front end bearing and the second front end bearing are arranged at intervals through the first spacer ring and the first oil slinger.
Preferably, the rear end bearing comprises one or more of a single row cylindrical roller bearing, a double row cylindrical roller bearing or a paired angular contact ball bearing.
Preferably, the rear end bearing further comprises a second spacer ring and a second oil retainer ring for retaining grease in the rear end bearing.
Preferably, it is sealed with the rear end including the front end that corresponds bearing housing front end and rear end respectively and sets up, the front end is sealed including awl end flange, quiet sealing ring and move the sealing ring, quiet sealing ring sets up on awl end flange, it sets up on the center pin to move the sealing ring, and the rear end is sealed including outer flange and the end cover that is used for preventing the foreign matter from getting into the center pin, the end cover encircles the center pin and sets up on outer flange.
Preferably, set up in the bearing housing and let out dirty passageway, be equipped with between quiet sealing ring and the dynamic seal ring and let out dirty chamber, the bearing housing rear end sets up and lets out dirty mouthful, let out dirty passageway one end with let out dirty chamber and be connected, the other end with let out dirty mouthful and be connected.
Preferably, an air supply channel is arranged in the bearing outer sleeve and connected with the sewage draining cavity.
Has the advantages that:
1. the center pin is the step shaft, avoids the bearing to generate heat and leads to the play to reduce, prevents the main shaft locking.
2. The bearing models are different, so that the bearing stress is optimized, and the integral rigidity of the main shaft is improved.
3. The dirt discharge capacity is enhanced, the dirt discharge port is far away from a working area, and foreign matters are prevented from entering the interior of the main shaft;
4. an oil deflector ring is added, so that the loss of lubricating grease is reduced, and foreign matters are prevented from entering the interior of the main shaft;
5. the inner cavity space is enlarged, and meanwhile, the internal pressure blowback function is added, so that the pressure of the inner cavity is greater than the air pressure, and foreign matters are prevented from entering the main shaft.
6. The cooling water tank is optimized, and the cooling effect is improved.
Drawings
FIG. 1 is a right side view of a slicer spindle for a multi-wire saw according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along M-M of FIG. 1;
fig. 3 is a left side view of a slicer spindle for a multi-wire saw according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of fig. 3 taken along N-N.
In the drawings: 100 central shaft, 210 bearing inner sleeve, 220 bearing outer sleeve, 230 cooling water tank, 241 conical end flange, 242 static sealing ring, 243 dynamic sealing ring, 251 outer flange, 252 end cover, 260 dirt discharge channel, 280 dirt discharge port, 290 air supply channel, 310 front end bearing, 311 first front end bearing, 312 second front end bearing, 313 first spacer ring, 314 first oil retainer ring, 320 rear end bearing, 321 second spacer ring, 322 second oil retainer ring, 400 internal pressure blowback air inlet and 410 main shaft inner cavity.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.
As shown in fig. 1-4, the utility model provides a novel slicer main shaft for multi-wire saw, include center pin 100 and set up the bearing housing outside center pin 100, be provided with the bearing between center pin 100 and the bearing housing, the bearing is including setting up front end bearing 310 and the rear end bearing 320 in center pin 100 front end and rear end respectively, center pin 100 is the step shaft, and front end bearing 310 and rear end bearing 320 set up respectively on the different step sections of center pin 100, through setting up the step shaft, can make front end bearing 310 and rear end bearing 320 lock with different lock nut, have ensured the main shaft rigidity.
Specifically, the front end of the central shaft 100 is provided with a contact surface for positioning a slicer home roll, the contact surface is a conical or bushing-shaped contact surface matched with the slicer home roll, and the contact surface ensures the positioning accuracy between the slicer main shaft and the slicer home roll.
Specifically, the bearing sleeve comprises a bearing inner sleeve 210 and a bearing outer sleeve 220, a spiral cooling water tank 230 is arranged between the bearing inner sleeve 210 and the bearing outer sleeve 220, the total length of the water tank is increased through the spiral cooling water tank, the total cooling time is prolonged, the cooling effect is ensured, meanwhile, the water inlet channel is designed in an inclined mode, turbulence is effectively avoided, and the same heat dissipation effect is ensured in all places of the main shaft.
Specifically, the front end bearing 310 includes a first front end bearing 311 for mainly bearing a radial force and a second front end bearing 312 for mainly bearing an axial force, the first front end bearing 311 is a cylindrical roller bearing, the second front end bearing 312 is an angular ball bearing, the second front end bearing 312 is composed of angular ball bearings arranged in pairs, the two angular ball bearings are arranged in a back-to-back or face-to-face configuration, the front end bearing 310 further includes a first cage 313 and a first slinger 314 for storing grease in the front end bearing 310, the first cage 313 and the first slinger 314 are respectively arranged in plurality, the first front end bearing 311 and the second front end bearing 312 are arranged at intervals by the first cage 313 and the first slinger 314, bearings of different types are arranged for bearing forces generated in different directions, the cylindrical roller bearing is used for bearing a radial force instead of a conventional angular ball bearing, the outer diameter of two rows of angular contact ball bearings is ensured not to be in contact with the inner hole of the shaft sleeve, so that the two rows of angular contact ball bearings do not bear radial force and only bear axial force, the rigidity of the main shaft can be ensured by respectively bearing force, a first space ring 313 and a first oil retainer 314 are arranged between every two bearings, so that lubricating grease in every bearing can be ensured to lubricate the bearing all the time, meanwhile, foreign matters can be ensured not to enter the bearing to pollute the lubricating grease, the sealing of the main shaft is disabled, and the front end bearing 310 is also provided with a locking nut for locking the bearing inner sleeve 210 and each first space ring 313 to ensure the sealing of the main shaft.
Specifically, the rear end bearing 320 includes a single-row cylindrical roller bearing, a double-row cylindrical roller bearing or a paired angular contact ball bearing, the rear end bearing 320 further includes a second spacer 321 and a second oil retainer 322 for storing grease in the rear end bearing 320, the rear end bearing 320 can be optimally selected according to the load and rigidity requirements of the main shaft, the main shaft can be adjusted to an optimal scheme between the load and the rigidity requirements, the second spacer 321 and the second oil retainer 322 are arranged between the bearings, the bearing can be lubricated all the time by the grease in each bearing, meanwhile, foreign matters can be prevented from entering the bearing, the grease is polluted, the main shaft sealing fails, the rear end bearing 320 is further provided with a lock nut for locking the inner ring of the bearing and each second spacer 321, and the sealing performance of the main shaft is ensured.
Specifically, the bearing sleeve further comprises a front end seal and a rear end seal which are respectively arranged corresponding to the front end and the rear end of the bearing sleeve, wherein the front end seal comprises a conical end flange 241, a static seal ring 242 and a dynamic seal ring 243, the static seal ring 242 is arranged on the conical end flange 241, and the dynamic seal ring 243 is arranged on the central shaft 100; the rear end seal comprises an outer flange 251 and an end cover 252 used for preventing foreign matters from entering the central shaft 100, the end cover 252 is arranged on the outer flange 251 around the central shaft 100, a dirt discharge channel 260 is arranged in the bearing outer sleeve 220, a dirt discharge cavity is arranged between the static sealing ring 242 and the dynamic sealing ring 243, a dirt discharge port 280 is arranged at the rear end of the bearing outer sleeve 220, one end of the dirt discharge channel 260 is connected with the dirt discharge cavity, the other end of the dirt discharge channel is connected with the dirt discharge port 280, an air supply channel 290 is arranged in the bearing outer sleeve 220, the air supply channel 290 is connected with the dirt discharge cavity, the front end seal and the rear end seal can ensure that the foreign matters cannot enter the main shaft to the maximum extent, meanwhile, the air supply channel 290 arranged on the bearing outer sleeve 220 is separated from the dirt discharge channel 260, so that the foreign matters inclined by the dirt discharge channel 260 cannot enter the main shaft through the air supply channel 290 again, and the air supply channel 290 is communicated, so that the foreign matters can be discharged to the rear end of the main shaft more easily, keeping away from the working area can also avoid the entering of the dirt again, and the bearing outer sleeve 220 is also provided with an internal pressure blowback air inlet 400 which can compress and blow the cleaning gas into the inner cavity 410 of the main shaft, so that a certain internal pressure is formed in the main shaft, and the entering of foreign matters can also be avoided.
When the main shaft runs at high speed, the main shaft is subjected to large radial force and axial force, the first front end bearing 311 and the second front end bearing 312 which are different in type are arranged to respectively bear the radial force and the axial force, the integral rigidity of the main shaft is improved, the service life of the main shaft is prolonged, meanwhile, oil baffle rings are arranged among the bearings to prevent lubricating grease from losing, foreign matters can be prevented from entering the main shaft to pollute the lubricating grease, meanwhile, the air supply channel 290 is separated from the dirt discharge port 280, the air supply channel 290 is positioned at the front end of the main shaft, the dirt discharge port 280 is arranged at the rear end of the main shaft through the extended dirt discharge channel 260 to prevent the foreign matters discharged from the dirt discharge port 280 from entering the main shaft, a main shaft inner cavity 410 arranged in the main shaft receives air compressed and blown by the internal pressure blowback air inlet 400 to form pressure difference with the outside, the foreign matters can also be effectively prevented from entering, the bearings are arranged as step shafts, and the reduction caused by the heating of the bearings can be avoided, meanwhile, the spiral cooling water tank 230 can improve the fluidity and cooling effect of the cooling liquid, reduce the heat generation of the bearing, and avoid the locking of the bearing and the shutdown of the main shaft due to the reduction of a large amount of heat generation clearances of the bearing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (10)
1. The utility model provides a novel slicer main shaft for multi-wire saw, its characterized in that includes the center pin and sets up in the outer bearing housing of center pin, be provided with the bearing between center pin and the bearing housing, the bearing is including setting up front end bearing and the rear end bearing in center pin front end and rear end respectively, the center pin is the step shaft, and front end bearing and rear end bearing set up respectively on the different ladder sections of center pin.
2. The slicer spindle of claim 1, wherein the front end of the central shaft is provided with a contact surface for positioning a home roll of the slicer, and the contact surface is a conical or bushing-shaped contact surface matched with the home roll of the slicer.
3. The main shaft of the slicer for multi-wire cutting machine as claimed in claim 1, wherein the bearing housing comprises an inner bearing housing and an outer bearing housing, and a spiral cooling water tank is disposed between the inner bearing housing and the outer bearing housing.
4. The slicer spindle of claim 1, wherein the front end bearing comprises a first front end bearing for mainly bearing radial force and a second front end bearing for mainly bearing axial force, the first front end bearing is a cylindrical roller bearing, the second front end bearing is an angular contact ball bearing, the second front end bearing is composed of angular contact ball bearings arranged in pairs, and the two angular contact ball bearings are arranged back to back or face to face.
5. The slicer spindle of claim 4, wherein the front bearing further comprises a first spacer ring and a first oil retainer ring for storing grease in the front bearing, the first spacer ring and the first oil retainer ring are respectively provided in a plurality of numbers, and the first front bearing and the second front bearing are spaced apart from each other by the first spacer ring and the first oil retainer ring.
6. The novel slicer spindle for multi-wire slicer of claim 1 wherein the rear bearing includes one or more of a single row cylindrical roller bearing, a double row cylindrical roller bearing or a paired angular contact ball bearing.
7. The novel slicer spindle for multi-wire saw of claim 6, wherein the rear bearing further comprises a second spacer ring and a second oil retainer ring for retaining grease on the rear bearing.
8. The slicer spindle of claim 3, further comprising a front end seal and a rear end seal respectively disposed at the front end and the rear end of the bearing housing, wherein the front end seal comprises a cone end flange, a static sealing ring and a dynamic sealing ring, the static sealing ring is disposed on the cone end flange, the dynamic sealing ring is disposed on the central shaft, the rear end seal comprises an outer flange and an end cap for preventing foreign matters from entering the central shaft, and the end cap is disposed on the outer flange around the central shaft.
9. The slicer spindle of claim 8, wherein the bearing housing is provided with a dirt discharge passage, a dirt discharge cavity is provided between the static sealing ring and the dynamic sealing ring, a dirt discharge port is provided at the rear end of the bearing housing, one end of the dirt discharge passage is connected with the dirt discharge cavity, and the other end of the dirt discharge passage is connected with the dirt discharge port.
10. The slicer spindle of claim 9, wherein the bearing housing has an air supply channel therein, the air supply channel being connected to the dirt discharge chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023129606.5U CN214118712U (en) | 2020-12-23 | 2020-12-23 | Novel slicer main shaft for multi-wire cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023129606.5U CN214118712U (en) | 2020-12-23 | 2020-12-23 | Novel slicer main shaft for multi-wire cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214118712U true CN214118712U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023129606.5U Active CN214118712U (en) | 2020-12-23 | 2020-12-23 | Novel slicer main shaft for multi-wire cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214118712U (en) |
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2020
- 2020-12-23 CN CN202023129606.5U patent/CN214118712U/en active Active
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