CN213929374U - Low-speed shaft fixing device of speed reducer of dewatering extruder - Google Patents
Low-speed shaft fixing device of speed reducer of dewatering extruder Download PDFInfo
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- CN213929374U CN213929374U CN202022228521.6U CN202022228521U CN213929374U CN 213929374 U CN213929374 U CN 213929374U CN 202022228521 U CN202022228521 U CN 202022228521U CN 213929374 U CN213929374 U CN 213929374U
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Abstract
The utility model discloses a dewatering extruder speed reducer low-speed axle fixing device, including low-speed axle, fixing bolt, adjusting shim, positioning pressure plate, thrust bearing, boss and spacing bolt, the low-speed axle sets up in thrust bearing's left end, adjusting shim sets up in the left end of low-speed axle, positioning pressure plate passes through fixing bolt and sets up in the left end of low-speed axle, the boss passes through spacing bolt and sets up in thrust bearing's left end, through increasing positioning pressure plate, increase and decrease adjusting shim thickness and the locking processing of fixing bolt, takes above measures to avoid the bolt not hard up, reduces the fixing bolt tangential force that receives of low-speed axle, has improved the frequent cracked problem of fixing bolt through the structure. The utility model discloses effectively guarantee rubber aftertreatment dewatering extruder safe and stable operation, solved the cracked problem of low-speed axle fixing bolt, shorten repair time, produce great economic benefits.
Description
Technical Field
The utility model relates to a fixing device technical field, specific dehydration extruder speed reducer low-speed axle fixing device that says so.
Background
The dehydration extruder is one of key equipment in isoprene rubber production, mainly has the functions of removing water in rubber, controlling the volatile component of rubber at the outlet of the dehydration extruder to be below 8 percent, and providing air guarantee for the operation of an expansion dryer of downstream equipment. The isoprene rubber belongs to a high-Mooney material (70-90) which is twice as high as the Mooney value (35-45) of the common butadiene rubber, the operation working condition is complex, the main shaft of the extruder is connected with the low-speed shaft of the speed reducer through a rigid coupling, the rubber material is driven by a motor to be conveyed and extruded between the screw sleeve and the cage bar for dehydration, the main shaft of the extruder swings greatly during the conveying process of the solid rubber material, and the force is transmitted from the extruder to the low-speed shaft of the speed reducer, so that the fixed bolt (the material brand 35CrMO, the performance grade 8.8, the bolt type 3/4 ' 10 ' 2-1/2 ' hole bolt) in the prior art is unevenly stressed, the frequent (less than 15 days for use) breakage is caused during the operation process, the shaft fleeing, the screw sleeve and the shearing plate of the extruder are abraded, the equipment is stopped, and equipment accidents are possibly caused.
Therefore, we propose a fixing device for the low-speed shaft of the speed reducer of the dewatering extruder to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a dehydration extruder speed reducer low-speed axle fixing device.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a dehydration extruder speed reducer low-speed axle fixing device, includes low-speed axle, fixing bolt, adjusting shim, positioning pressure plate, thrust bearing, boss and spacing bolt, the low-speed axle sets up in thrust bearing's left end, adjusting shim sets up in the left end of low-speed axle, positioning pressure plate passes through fixing bolt and sets up in the left end of low-speed axle, the boss passes through spacing bolt and sets up in thrust bearing's left end.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the low-speed shaft comprises a low-speed shaft sleeve and a concave hole, the low-speed shaft sleeve is arranged outside the low-speed shaft, and the concave hole is arranged on the low-speed shaft.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the number of the fixing bolts is two, each fixing bolt comprises a threaded rod and a polished rod, the threaded rods are arranged at one ends of the fixing bolts, and the polished rods are arranged at one ends of the threaded rods.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the diameter of the threaded rod is larger than that of the light rod.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the adjusting gasket is matched with the positioning pressing plate.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the positioning pressing plate comprises a first movable plate, a second movable plate, rivets, flat pressing rollers and mounting holes, the first movable plate is arranged on the left side of the positioning pressing plate through the rivets, the first movable plate is arranged on the right side of the positioning pressing plate through the rivets, the flat pressing rollers are arranged on the positioning pressing plate, and the mounting holes are formed in the middle of the positioning pressing plate.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the first movable plate and the second movable plate are set to have the same model parameters
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the number of the rivets is four.
Foretell dehydration press speed reducer low-speed axle fixing device which characterized in that: the number of the limit bolts is two.
The utility model has the advantages that: this kind of dehydration extruder speed reducer low-speed axle fixing device is through increasing positioning pressure plate, increase and decrease adjusting shim thickness and the locking processing of fixing bolt, take above measure to avoid the bolt not hard up, reduce the fixing bolt tangential force that the low-speed axle receives, solved the frequent cracked problem of fixing bolt through structural improvement, can effectively guarantee rubber aftertreatment dehydration extruder safe and stable operation, provide the assurance for rubber device's whole continuous operation, shorten the repair time, produce great economic benefits.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic structural view of the low-speed shaft of the present invention;
fig. 3 is a schematic structural view of the fixing bolt of the present invention;
fig. 4 is a schematic structural view of the positioning pressing plate of the present invention.
In the figure: 1 low-speed shaft, 11 low-speed shaft sleeves, 12 concave holes, 2 fixing bolts, 21 threaded rods, 22 polished rods, 3 adjusting gaskets, 4 positioning pressing plates, 41 first movable plates, 42 second movable plates, 43 rivets, 44 flat pressing rollers, 45 mounting holes, 5 thrust bearings, 6 bosses and 7 limiting bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a fixing device for a low-speed shaft of a speed reducer of a dewatering extruder comprises a low-speed shaft 1, a fixing bolt 2, an adjusting shim 3, a positioning pressing plate 4, a thrust bearing 5, a boss 6 and a limit bolt 7, wherein the low-speed shaft 1 is arranged at the left end of the thrust bearing 5, the adjusting shim 3 is arranged at the left end of the low-speed shaft 1, the positioning pressing plate 4 is arranged at the left end of the low-speed shaft 1 through the fixing bolt 2, and the boss 6 is arranged at the left end of the thrust bearing 5 through the limit bolt 7.
The utility model discloses in:
as a preferred technical scheme of the utility model, low-speed axle 1 includes low-speed axle sleeve 11, shrinkage pool 12, and low-speed axle sleeve 11 sets up in low-speed axle 1's outside, and shrinkage pool 12 sets up on low-speed axle 1, and the epaxial shrinkage pool 12 of the spindle of low-speed axle 1 makes locating clip 4 and shrinkage pool 12 cooperation installation, overcomes locating clip 4's radial movement.
As the utility model discloses an optimal technical scheme, the quantity that fixing bolt 2 set up is two, fixing bolt 2 includes threaded rod 21, polished rod 22, threaded rod 21 sets up in fixing bolt 2's one end, polished rod 22 sets up in the one end of threaded rod 21, the diameter of threaded rod 21 is greater than polished rod 22's diameter, the fixed positioning clamp plate 4 of being convenient for to the shearing force that has solved positioning clamp plate 4 and to fixing bolt 2 production when radial or circumferential motion, for solving the not hard up problem of positioning clamp plate 4 and fixing bolt 2.
As an optimal technical scheme of the utility model, adjusting shim 3 and 4 looks adaptations of positioning pressure plate are convenient for install.
As an optimal technical scheme of the utility model, positioning pressure plate 4 includes first movable plate 41, second movable plate 42, rivet 43, concora crush roller 44 and mounting hole 45, first movable plate 41 sets up in positioning pressure plate 4's left side through rivet 43, first movable plate 41 sets up in positioning pressure plate 4's right side through rivet 43, a plurality of concora crush rollers 44 set up on positioning pressure plate 4, mounting hole 45 sets up in positioning pressure plate 4's middle part, this kind of structure can effectively realize 1 suppression to low-speed axle, guarantee the steady transmission in the 1 course of work of low-speed axle, reduce the work degree of difficulty.
Furthermore, the first movable plate 41 and the second movable plate 42 are set to have the same model parameters, so that the force application is more stable in the operation process of the low-speed shaft 1, and the workpiece is prevented from being damaged.
Further, four rivets 43 are provided for mounting the first and second movable plates 41 and 42, respectively.
As an optimized technical scheme of the utility model, the quantity that spacing bolt 7 set up is two, but fixed mounting boss 6.
The utility model discloses a theory of operation is: when in use, firstly, the random data of the equipment and the clearance adjustment specification of the single-row tapered roller type thrust bearing 5 are inquired, the thickness of the adjusting shim 3 is selected through the play, the axial clearance of the low-speed shaft 1 is adjusted to be a proper clearance, by matching and installing the positioning pressure plate 4, the boss 6 and the concave hole 12, the radial movement of the positioning pressure plate 4 relative to the low-speed shaft 1 is overcome, the polished rod 22 of the fixing bolt 2 in the non-full thread type is matched and installed with the positioning pressure plate 4, the gap between the fixing bolt 2 and the installation hole 45 on the positioning pressure plate 4 is reduced to a proper size, the circular motion of the positioning pressure plate 4 is overcome, thereby solving the shearing force generated by the positioning pressure plate 4 to the fixing bolt 2 when moving in the radial direction or the circumferential direction, solving the problem of looseness of the positioning pressure plate 4 and the fixing bolt 2, not only ensures the play of the thrust bearing 5, but also ensures the fastening integration of the positioning pressure plate 4 and the shaft head of the low-speed shaft 1. The utility model discloses a structural improvement has solved the frequent cracked problem of positioning bolt, can effectively guarantee rubber aftertreatment dehydration extruder safe and stable operation, for rubber device's whole continuous operation provides the assurance, shortens maintenance duration, produces great economic benefits.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a dehydration extruder speed reducer low-speed axle fixing device, includes low-speed axle (1), fixing bolt (2), adjusting shim (3), positioning pressure plate (4), thrust bearing (5), boss (6) and spacing bolt (7), its characterized in that: the low-speed shaft (1) is arranged at the left end of the thrust bearing (5), the adjusting gasket (3) is arranged at the left end of the low-speed shaft (1), the positioning pressing plate (4) is arranged at the left end of the low-speed shaft (1) through the fixing bolt (2), and the boss (6) is arranged at the left end of the thrust bearing (5) through the limiting bolt (7).
2. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 1, wherein: low-speed axle (1) includes low-speed axle sleeve (11), shrinkage pool (12), low-speed axle sleeve (11) set up in the outside of low-speed axle (1), shrinkage pool (12) set up on low-speed axle (1).
3. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 1, wherein: the number that fixing bolt (2) set up is two, fixing bolt (2) include threaded rod (21), polished rod (22), threaded rod (21) set up in the one end of fixing bolt (2), polished rod (22) set up in the one end of threaded rod (21).
4. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 3, wherein: the diameter of the threaded rod (21) is larger than that of the polish rod (22).
5. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 1, wherein: the adjusting gasket (3) is matched with the positioning pressing plate (4).
6. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 1, wherein: the positioning pressing plate (4) comprises a first movable plate (41), a second movable plate (42), rivets (43), flat pressing rollers (44) and mounting holes (45), wherein the first movable plate (41) is arranged on the left side of the positioning pressing plate (4) through the rivets (43), the first movable plate (41) is arranged on the right side of the positioning pressing plate (4) through the rivets (43), the flat pressing rollers (44) are arranged on the positioning pressing plate (4), and the mounting holes (45) are formed in the middle of the positioning pressing plate (4).
7. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 6, wherein: the first movable plate (41) and the second movable plate (42) are set to have the same model parameters.
8. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 6, wherein: the number of the rivets (43) is four.
9. The device for fixing the low-speed shaft of the speed reducer of the dewatering extruder as claimed in claim 1, wherein: the number of the limit bolts (7) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228521.6U CN213929374U (en) | 2020-10-09 | 2020-10-09 | Low-speed shaft fixing device of speed reducer of dewatering extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228521.6U CN213929374U (en) | 2020-10-09 | 2020-10-09 | Low-speed shaft fixing device of speed reducer of dewatering extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929374U true CN213929374U (en) | 2021-08-10 |
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ID=77161765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228521.6U Active CN213929374U (en) | 2020-10-09 | 2020-10-09 | Low-speed shaft fixing device of speed reducer of dewatering extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929374U (en) |
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2020
- 2020-10-09 CN CN202022228521.6U patent/CN213929374U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 834021 No.15 Nanhai Road, Dushanzi District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Tianli Petrochemical Co.,Ltd. Address before: 834021 No.15 Nanhai Road, Dushanzi District, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: Karamay Tianli Henghua Petrochemical Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |