CN217248755U - Split type compression roller for granulator - Google Patents
Split type compression roller for granulator Download PDFInfo
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- CN217248755U CN217248755U CN202221187211.7U CN202221187211U CN217248755U CN 217248755 U CN217248755 U CN 217248755U CN 202221187211 U CN202221187211 U CN 202221187211U CN 217248755 U CN217248755 U CN 217248755U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The invention provides a split type compression roller for a granulator, which comprises an outer taper sleeve, an inner taper sleeve, a mounting screw, a bearing and a roller shaft; the inner hole of the outer taper sleeve is a taper hole with the taper smaller than 8 degrees, the excircle of the inner taper sleeve is a conical surface with the taper smaller than 8 degrees, and the inner hole of the outer taper sleeve is matched with the conical surface of the inner taper sleeve; the outer taper sleeve is connected with the inner taper sleeve; the inner taper sleeve is rotatably supported on the roll shaft through a bearing. Because the inner hole of the outer taper sleeve and the conical surface of the inner taper sleeve can be self-locked to form a whole with higher rigidity, the outer taper sleeve and the inner taper sleeve can be easily classified after the outer taper sleeve is worn, the disassembly is convenient, the operation of replacing the outer taper sleeve is simple and easy, and the maintenance cost is reduced.
Description
Technical Field
The patent technology relates to a compression roller for a granulator, in particular to a split type compression roller.
Background
The circular mold (flat mold) granulator is widely suitable for industries such as feed, grain, food, medicine, chemical industry, biomass energy and the like; the granulating process is characterized in that materials are strongly extruded between the compression roller and the ring die (flat die), so that the materials pass through a specified die hole to realize granulating.
In the prior art, the compression roller is mostly of an integral structure, the inner circular surface of the compression roller is connected with the roller shaft through a bearing, and in order to ensure the service life of the bearing and the working stability, the inner circular surface of the compression roller is in interference fit with the bearing; the existing integral press roller has the following problems: (1) the surface of the compression roller is worn by the tooth shape or the hole shape for grabbing materials, and the compression roller needs to be replaced by a new compression roller, only the surface of the whole compression roller is worn, other parts are intact, the current granulator is increasingly large, the diameter of the compression roller reaches 500mm at present and is larger later, the whole compression roller is replaced only by the wear of the surface of the compression roller, and great waste is caused to a user and the society; (2) the inner circular surface of the compression roller is in interference fit with the bearing, if the compression roller is frequently disassembled and assembled, the bearing and other parts can be damaged, secondary loss is caused, the compression roller replacement is heavy, and the labor intensity of workers is increased.
On this basis, among the prior art, there is the split type compression roller that the compression roller body adopted shell and inner shell, and its implementation form roughly divides into two types, and the cooperation is clearance fit between first, shell and the inner shell, transmits the moment of torsion through the connection form of groove and key or hole and round pin, and its implementation form has following problem: 1. due to clearance fit, the rigidity of the compression roller is reduced, and the compression roller generates elastic deformation in the working process, so that relative sliding is generated between the outer shell and the inner shell, the outer shell and the inner shell are abraded, the clearance between the outer shell and the inner shell is enlarged, the integral rotation precision of the compression roller is influenced, the granulation efficiency and quality are reduced, and the key and pin are seriously damaged; 2. the inner shell and the bearing are in interference fit, so that the assembly and disassembly are difficult, the labor intensity of workers is increased, the possibility of damaging the bearing, the inner shell and other parts is increased, and the secondary loss is increased; interference fit between outer shell and the inner shell relies on frictional force transmission moment of torsion, and the problem that its implementation form exists is that, after the shell wearing and tearing, owing to be interference fit, be difficult to change the shell, generally carry out destructive dismantlement to the shell, increase workman's intensity of labour and technical level, the possibility that inner shell, bearing and other spare parts damaged increases, has increased secondary loss, or adopts complicated disassembly body, has increased the cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the patent provides a split type compression roller for a granulator, and solves the problems that the whole compression roller needs to be disassembled and replaced, so that the resource waste is caused, and the problems that the disassembly and the assembly are difficult, the secondary loss is increased, and the labor intensity of workers is increased due to the interference fit between a bearing and the compression roller; the problems that the rigidity of the split type compression roller with the outer shell and the inner shell in clearance fit is low, the abrasion of the outer shell and the inner shell is large, the clearance between the outer shell and the inner shell is enlarged, and the integral rotation precision of the compression roller is influenced are solved; the bearing and the inner shell are in interference fit to cause difficulty in dismounting and mounting, and secondary loss and labor intensity of workers are increased; the problem of shell and inner shell interference fit's split type compression roller, be difficult to change the shell, increase workman's intensity of labour and technical level, inner shell, bearing and other spare part damage increase, have increased secondary loss is solved.
The patent is realized by the following technical scheme.
The split type compression roller for the granulator comprises an outer taper sleeve, an inner taper sleeve, mounting screws, a bearing and a roller shaft; the inner hole of the outer taper sleeve is a taper hole with the taper smaller than 8 degrees, the excircle of the inner taper sleeve is a conical surface with the taper smaller than 8 degrees, and the inner hole of the outer taper sleeve is matched with the conical surface of the inner taper sleeve; the outer taper sleeve is connected with the inner taper sleeve; the inner taper sleeve is rotatably supported on the roll shaft through a bearing.
Foretell for granulator split type compression roller, outer taper sleeve links to each other through following structure with interior taper sleeve: the big end side of the outer taper sleeve is provided with a mounting half threaded hole, the big end side of the inner taper sleeve is provided with a mounting half unthreaded hole, the mounting half threaded hole and the mounting half unthreaded hole are coaxial and have the same diameter, and the mounting screw is matched with the mounting half threaded hole and is positioned in the mounting half unthreaded hole.
Foretell split type compression roller for granulator, half screw hole of installation and half unthreaded hole of installation all have a plurality ofly, and the equipartition is on same circumference.
The split type compression roller for the granulator is provided with the blind holes, and the depth of the installed half unthreaded holes is smaller than that of the installed half threaded holes.
Foretell split type compression roller for granulator, outer taper sleeve big distolateral side has dismantles half unthreaded hole, and interior taper sleeve big distolateral side has dismantles half threaded hole, dismantles half threaded hole and dismantles half unthreaded hole coaxial and the diameter equals for be located dismantles half unthreaded hole with dismantlement half threaded hole complex dismantlement screw.
Foretell split type compression roller for granulator dismantles half unthreaded hole and is the blind hole, dismantles half unthreaded hole degree of depth and is less than dismantlement half screw hole.
Foretell split type compression roller for granulator dismantles half screw hole and dismantles half unthreaded hole and all has a plurality ofly, and the equipartition is on same circumference.
The split type compression roller for the granulator has the size tolerance of the diameter of the inner hole of the inner taper sleeve matched with the bearing, which is H7 grade.
Foretell split type compression roller for granulator, the structure that outer taper sleeve and interior taper sleeve link to each other is: one end of the inner taper sleeve is provided with an outer flange, and the outer flange is connected with one end of the outer taper sleeve through a bolt.
The patent simultaneously provides a simple installation, convenient operation's installation method of split type compression roller for granulator.
According to the installation method of the split type compression roller for the granulator, the inner taper sleeve and the outer taper sleeve are assembled according to the following method: the installation screw is in the half unthreaded hole of installation with the cooperation of installation half screw hole and lieing in, and the installation screw is screwed up gradually, and the outside taper sleeve tip of the interior taper sleeve conical surface main aspects removes, the auto-lock is produced with the gradual interference fit of outer taper sleeve hole to interior taper sleeve conical surface, and outer taper sleeve forms a whole with interior taper sleeve.
The patent simultaneously provides a disassembly method of the split type compression roller for the granulator, which is simple in disassembly and convenient to operate.
According to the disassembly method of the split type compression roller for the granulator, after the mounting screw is unscrewed, the disassembly screw is screwed into the disassembly half-threaded hole, meanwhile, the disassembly screw is located in the disassembly half-threaded hole, the disassembly screw is gradually screwed, the large end of the conical surface of the inner taper sleeve moves towards the small end of the outer taper sleeve, the small end of the inner taper sleeve moves towards the large end of the outer taper sleeve, and the conical surface of the inner taper sleeve is gradually separated from the tapered hole of the outer taper sleeve.
The beneficial effect of this patent:
this technical scheme provides a granulator is with split type compression roller, and outer taper sleeve hole and interior taper sleeve conical surface are the fitting surface that the tapering is less than 8, can produce the great whole of auto-lock formation rigidity, and simultaneously after outer taper sleeve wearing and tearing, it is very easy to be categorised outer taper sleeve and interior taper sleeve, and it is convenient to dismantle, changes outer taper sleeve easy operation easily, has reduced the maintenance cost.
When the bearing is installed by adopting the structure of the installation screw, the dimensional tolerance of the inner hole diameter of the inner taper sleeve is H7 level, the bearing, the roll shaft and the inner taper sleeve are installed in place firstly, and then the inner taper sleeve and the outer taper sleeve are assembled. The installation semi-unthreaded hole of the inner taper sleeve and the coarse thread installation semi-threaded hole of the outer taper sleeve are in the same phase, and the installation semi-unthreaded hole and the coarse thread installation semi-threaded hole are matched for use; the thick tooth of interior taper sleeve dismantles half screw hole and the half unthreaded hole of dismantlement of outer taper sleeve same phase, and thick tooth dismantles half screw hole and dismantles half unthreaded hole and use mutually. The utility model discloses a taper fitting surface of taper sleeve, including mounting screw, outer taper sleeve, interior taper sleeve, a plurality of mounting screws are assembled with the half screw hole of thick tooth installation of outer taper sleeve, the equipment is screwed up in step to a plurality of mounting screws, interior taper sleeve conical surface main aspects move along with a plurality of mounting screws outside taper sleeve taper hole tip in step, interior taper sleeve conical surface and outer taper sleeve taper hole interference fit produce the auto-lock, make outer taper sleeve and interior taper sleeve form a whole, have guaranteed the rigidity of outer taper sleeve, have prevented the elastic deformation of outer taper sleeve, and the taper fitting surface of outer taper sleeve and interior taper sleeve can not wear and tear, a plurality of mounting screws fasten outer taper sleeve and interior taper sleeve, have prevented the axial displacement of outer taper sleeve, guarantee the stable work of compression roller, interior taper sleeve hole reduces gradually, interior taper sleeve hole forms interior taper fit with the bearing, guarantees the stable work of bearing.
When the dismounting screws are adopted, the mounting screws are firstly screwed off, then the dismounting screws and the thick teeth of the inner taper sleeve are dismounted to assemble the half threaded holes, the dismounting screws are synchronously screwed, the small end of the conical surface of the inner taper sleeve moves along with the dismounting screws to the large end of the conical hole of the outer taper sleeve synchronously, the conical surface of the inner taper sleeve and the conical hole of the outer taper sleeve are separated gradually, the outer taper sleeve is dismounted conveniently, the inner hole of the inner taper sleeve restores to the original size, and the bearing and the roller shaft assembly are easily dismounted.
Of course, the mounting screws and the dismounting screws can adopt screws with the same size, so that the structure is further simplified, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of example 1;
FIG. 2 is a side view of the inner taper sleeve;
FIG. 3 is a side view of the outer cone sleeve;
FIG. 4 is a schematic view of the installation process of the inner and outer taper sleeves;
FIG. 5 is a schematic view of the separation of the inner and outer taper sleeves;
FIG. 6 is a schematic view of example 2.
In the figure, an inner taper sleeve 1, a mounting semi-unthreaded hole 11, a coarse thread dismounting semi-threaded hole 12, an outer flange 15, a threaded hole 16, a screw 2, an outer taper sleeve 3, a coarse thread mounting semi-threaded hole 31, a dismounting semi-unthreaded hole 32, a roller shaft 4, a bearing 5, a bolt 6, a retainer ring 7, an end cover 8, a clamping ring 9, a sealing spacer ring 10, a bearing spacer 20 and a compression nut 21.
Detailed Description
Example 1:
referring to fig. 1-3, the split type compression roller for the granulator comprises an outer taper sleeve 3, an inner taper sleeve 1, a screw 2, a bearing 5, a roller shaft 4, a retainer ring 7, an end cover 8, a retainer ring 9, a sealing spacer ring 10, a bearing spacer 20, a compression nut 21 and the like. The screws 2 are mounting screws and also dismounting screws.
The inner hole of the outer taper sleeve 3 is a taper hole, the excircle of the inner taper sleeve 1 is a taper surface, and the taper surfaces are matched with each other by adopting a surface with a taper smaller than 8 degrees. The big end side of the taper hole of the outer taper sleeve 3 is evenly provided with a plurality of thick tooth mounting half threaded holes 31 and a plurality of dismounting half unthreaded holes 32. The big end side of the conical surface of the inner taper sleeve 1 is uniformly provided with a plurality of thick tooth dismounting half threaded holes 12 and a plurality of mounting half unthreaded holes 11. The external diameter sizes of the coarse thread mounting half threaded hole 31, the dismounting half unthreaded hole 32, the coarse thread dismounting half threaded hole 12 and the mounting half unthreaded hole 11 are the same. The depth of the mounting half unthreaded hole 11 is smaller than that of the coarse thread mounting half threaded hole 31, and the depth of the dismounting half unthreaded hole 32 is smaller than that of the dismounting half threaded hole 12. The inner hole diameter tolerance of the inner taper sleeve 1 is H7 grade.
When the installation is carried out, the bearing 5, the roll shaft 4, the inner taper sleeve 1 and the like are installed in place firstly, and then the inner taper sleeve and the outer taper sleeve are assembled. Referring to fig. 4, the installation half unthreaded hole 11 of the inner taper sleeve is in phase with the thick thread installation half threaded hole 31 of the outer taper sleeve, and the thick thread removal half threaded hole 12 of the inner taper sleeve is in phase with the removal half unthreaded hole 32 of the outer taper sleeve. The screw 2 is assembled with the half screw hole 31 of thick tooth installation of outer taper sleeve, the equipment is screwed up in step to a plurality of screws, the synchronous outside taper sleeve taper hole tip removal of interior taper sleeve conical surface main aspects along with a plurality of screws, interior taper sleeve conical surface and outer taper sleeve taper hole produce interference fit gradually, interior taper sleeve conical surface and outer taper sleeve taper hole interference fit produce the auto-lock, make outer taper sleeve and interior taper sleeve form a whole, have guaranteed the rigidity of outer taper sleeve, have prevented the elastic deformation of outer taper sleeve, and the taper fitting surface of outer taper sleeve and interior taper sleeve can not wear, a plurality of screw fastening outer taper sleeve and interior taper sleeve have prevented the axial displacement of outer taper sleeve, have guaranteed the stable work of compression roller, interior taper sleeve hole reduces gradually, interior taper sleeve hole forms interference fit with the bearing, guarantees the stable work of bearing.
When the outer taper sleeve 3 is worn and needs to be replaced, firstly, a plurality of screws positioned in the mounting half threaded holes and the mounting half threaded holes are unscrewed, referring to fig. 5, then the screws 2 are assembled with the thick tooth dismounting half threaded holes 12, the screws are synchronously screwed, the small end of the conical surface of the inner taper sleeve synchronously moves towards the large end of the conical hole of the outer taper sleeve along with the screws, the conical surface of the inner taper sleeve is gradually separated from the conical hole of the outer taper sleeve, and the dismounting and the replacement of the outer taper sleeve are conveniently realized;
when the bearing or other parts are damaged and need to be replaced, the outer taper sleeve is detached from the inner taper sleeve, the inner hole of the inner taper sleeve recovers the original size, and the bearing, the roll shaft and other parts are easy to detach.
The structure that interior taper sleeve 1 links to each other with roller 4 through bearing 5 has a variety, belongs to prior art. In this embodiment, the structure in which the inner taper sleeve 1 is connected with the roller shaft 4 through the bearing 5 further includes a retainer ring 7, an end cap 8, a retainer ring 9, a seal spacer ring 10, a bearing spacer 20, a gland nut 21, and the like, and the installation and the disassembly thereof belong to the conventional technology.
Example 2:
referring to the split-type compression roller for the granulator shown in fig. 5, embodiment 2 is mainly different from embodiment 1 in that: in embodiment 2, the large end side of the inner taper sleeve 1 is provided with an outer flange 15 extending towards the periphery, the outer flange is provided with a counter bore, the end face of the outer taper sleeve 3 is provided with a bolt hole, and the inner taper sleeve 1 is connected with the outer taper sleeve 3 through a bolt 6; in order to facilitate the disassembly, in embodiment 2, the threaded holes 16 are uniformly formed in the outer flange 15, when the outer taper sleeve 3 needs to be separated from the inner taper sleeve 1, the bolts in the bolt holes are unscrewed, the bolts 6 are screwed into the threaded holes 16, so that the bolts 6 are in end face contact with the outer taper sleeve 3, and the outer taper sleeve 3 is axially separated from the inner taper sleeve 1 along with the screwing of the bolts 6.
It is to be understood that the above-described embodiments of this patent are merely illustrative of or explain the principles of this patent and are not to be construed as limiting the patent. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present patent shall be included in the protection scope of the present patent. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.
Claims (9)
1. Split type compression roller is used to granulator, characterized by: comprises an outer taper sleeve, an inner taper sleeve, a mounting screw, a bearing and a roll shaft; the inner hole of the outer taper sleeve is a taper hole with the taper smaller than 8 degrees, the excircle of the inner taper sleeve is a conical surface with the taper smaller than 8 degrees, and the inner hole of the outer taper sleeve is matched with the conical surface of the inner taper sleeve; the outer taper sleeve is connected with the inner taper sleeve; the inner taper sleeve is rotatably supported on the roll shaft through a bearing.
2. The split-type press roll for the granulator according to claim 1, wherein: the outer taper sleeve and the inner taper sleeve are connected through the following structures: the big end side of the outer taper sleeve is provided with a mounting half threaded hole, the big end side of the inner taper sleeve is provided with a mounting half unthreaded hole, the mounting half threaded hole and the mounting half unthreaded hole are coaxial and have the same diameter, and the mounting screw is matched with the mounting half threaded hole and is positioned in the mounting half unthreaded hole.
3. The split-type press roll for the granulator according to claim 2, wherein: the installation half screw hole all has a plurality ofly with the installation half unthreaded hole, and the equipartition is on same circumference.
4. The split-type press roll for the granulator according to claim 2, wherein: the installation half unthreaded hole is the blind hole, and the installation half unthreaded hole degree of depth is less than the installation half screw hole.
5. The split-type press roll for the granulator according to claim 1, wherein: the big distolateral side of outer taper sleeve has dismantles half unthreaded hole, and the big distolateral side of inner taper sleeve has dismantles half screw hole, dismantles half screw hole and dismantles half unthreaded hole coaxial and diameter equal for with dismantle half screw hole complex dismantlement screw and be located and dismantle half unthreaded hole.
6. The split type pressure roller for the granulator according to claim 5, wherein: the half disassembly unthreaded hole is a blind hole, and the depth of the half disassembly unthreaded hole is smaller than that of the half disassembly threaded hole.
7. The split-type press roll for the granulator according to claim 5, wherein: the dismounting half threaded holes and the dismounting half unthreaded holes are all multiple and are uniformly distributed on the same circumference.
8. The split-type press roll for the granulator according to claim 1, wherein: the inner bore diameter tolerance of the inner taper sleeve matched with the bearing is H7 grade.
9. The split pressure roller for a granulator according to claim 1, wherein: the structure that outer taper sleeve and interior taper sleeve link to each other is: one end of the inner taper sleeve is provided with an outer flange, and the outer flange is connected with one end of the outer taper sleeve through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187211.7U CN217248755U (en) | 2022-05-17 | 2022-05-17 | Split type compression roller for granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187211.7U CN217248755U (en) | 2022-05-17 | 2022-05-17 | Split type compression roller for granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217248755U true CN217248755U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221187211.7U Active CN217248755U (en) | 2022-05-17 | 2022-05-17 | Split type compression roller for granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217248755U (en) |
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2022
- 2022-05-17 CN CN202221187211.7U patent/CN217248755U/en active Active
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