CN209830146U - Rolling device of double-channel variable-pitch bearing ring - Google Patents
Rolling device of double-channel variable-pitch bearing ring Download PDFInfo
- Publication number
- CN209830146U CN209830146U CN201920489623.8U CN201920489623U CN209830146U CN 209830146 U CN209830146 U CN 209830146U CN 201920489623 U CN201920489623 U CN 201920489623U CN 209830146 U CN209830146 U CN 209830146U
- Authority
- CN
- China
- Prior art keywords
- ring
- fixedly arranged
- inner cylinder
- pitch bearing
- limiting convex
- 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
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model belongs to the technical field of rolling of double-channel variable-pitch bearing rings, and discloses a rolling device of a double-channel variable-pitch bearing ring.A ring rolling die is sleeved on a mandrel and is pressed and fixed by a pressing part of a pressing arm; the inner cylinder is a hollow cylinder, and the outer wall of the inner cylinder is provided with inner cylinder external threads through the body; the limiting bottom plate is fixedly arranged at the bottom of the inner cylinder and is fixedly connected with the inner cylinder into a whole; the die body is provided with a through hole in the center, and the inner wall of the through hole is provided with internal threads in the whole body; the limiting convex ring is provided with a through hole in the center, and the inner wall of the through hole is provided with a limiting convex ring internal thread through the body; the fixed pressing cover is fixedly arranged at the upper part of the limiting convex ring. The rolling device for the double-channel variable-pitch bearing ring greatly improves the efficiency of processing the channel of the variable-pitch bearing ring, reduces the waste of the material of the annular ring forging, greatly reduces the stress defect of the variable-pitch bearing ring, and prolongs the service life of the variable-pitch bearing ring.
Description
Technical Field
The utility model belongs to the technical field of the system of rolling of two channels change oar bearing ring, concretely relates to two channels change oar bearing ring's system of rolling device.
Background
The variable-pitch bearing is fixedly connected with a variable-pitch driving device as a key part of the wind turbine generator, and the angle of the blade is changed under the combined action, so that the control of the output power of the blade and the safety of the blade are guaranteed. Because the variable-pitch bearing needs to bear alternating loads in three directions and high-frequency vibration of the blades in the working process, the working environment is severe, and therefore the service life of the variable-pitch bearing is guaranteed to be critical. The variable pitch bearing mainly comprises an outer ring, an inner ring, a ferrule and a roller, however, the ferrule of the variable pitch bearing is a core component of the bearing, so that the durability of the ferrule of the variable pitch bearing is a technical difficulty which is mainly overcome.
In the prior art, the ring of the variable-pitch bearing is mainly machined into a ring shape in the machining process, and then a channel matched with a bearing inner ring and a roller needs to be formed in the ring-shaped ring forging. The processing of the inner channel of the ring-shaped forging of the ferrule generally adopts a turning process, and the processing mode mainly has the problems that: 1. a great deal of material is wasted in the process of turning the channel; 2. the ferrule channel adopts a turning mode, so that more stress defects exist in the ferrule channel; 3. the turning of the ferrule channel consumes working hours and has low processing efficiency; the inventor develops a rolling device of a double-channel variable-pitch bearing ring based on the defects in the prior art, and can well solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, provide a double channel becomes oar bearing ring's system of rolling device, its structural design is simple, scientific and reasonable, can solve the extravagant problem that has more stress defect of mode processing lasso channel material that adopts the turning, and the turning that has still solved the lasso channel simultaneously consumes man-hour, problem that machining efficiency is low. The utility model relates to a processing becomes mould of oar bearing ring channel can dismantle the equipment, is applicable to the system of rolling processing of any type lasso channel under the cooperation of ring rolling machine. When the die is used for processing the ferrule channel, the die is arranged on a mandrel of a ring rolling machine, and the ferrule channel is rolled by the ring rolling machine.
The utility model adopts the technical proposal that: a rolling device for a double-channel variable-pitch bearing ring comprises a ring rolling machine, a clamping arm, a driving roller, a mandrel and an arm guide roller; the clamping arm is fixedly arranged at the front side and the rear side of a driving roller of the ring rolling machine, the clamping arm is arc-shaped, and an arm guide roller is fixedly arranged at the right side end part of the clamping arm; the driving roller is fixedly arranged at the central position of the clamping arm and is vertically and fixedly connected with a speed reducer and a driving motor of the ring rolling machine; the mandrel is fixedly arranged at the right side of the driving roller, and the mandrel and the driving roller are arranged in a bilateral symmetry manner; the pressing arm is fixedly arranged at the left side position of the ring rolling machine, the pressing arm is fixedly connected with the sliding frame of the ring rolling machine, and the upper position of the pressing arm is fixedly provided with a pressing part; the axial conical roller is fixedly arranged at the right side position of the ring rolling machine and freely slides left and right on a rack of the ring rolling machine; the ferrule rolling die is sleeved on the mandrel and is pressed and fixed by the pressing part of the pressing arm; the ferrule rolling die comprises an inner cylinder, the inner cylinder is hollow and cylindrical, and the outer wall of the inner cylinder is provided with an outer thread of the inner cylinder through the whole body; the limiting bottom plate is fixedly arranged at the bottom of the inner cylinder and is fixedly connected with the inner cylinder into a whole; the die body is provided with a through hole in the center, the inner wall of the through hole is provided with an internal thread in the whole body, and the die body is screwed on the inner cylinder through the external thread of the inner cylinder; the limiting convex ring is provided with a through hole in the center, the inner wall of the through hole is provided with a limiting convex ring internal thread through the whole body, and the limiting convex ring is sleeved at the upper part of the die body through the internal thread of the through hole in a screwing manner; the fixed pressing cover is fixedly arranged at the upper part of the limiting convex ring; two screwing clamping grooves are fixedly arranged, one screwing clamping groove is fixedly arranged in the middle of the upper part of the fixed pressing cover, and the other screwing clamping groove is fixedly arranged in the middle of the bottom of the limiting convex ring; the tightening clamping grooves are symmetrically arranged at the front and back positions of the bottom of the limiting convex ring.
The pressing arm and the mandrel are fixedly arranged on a sliding frame of the ring rolling machine, and a distance for adjusting the contact interval between the driving roller and the mandrel is arranged between the pressing arm and the mandrel; the compressing part of the compressing arm is correspondingly matched with the mandrel for use, and the compressing part is hollow cylindrical.
The pressing arm is driven by a hydraulic cylinder of the ring rolling machine to lift up and down or descend at the upper position of the mandrel.
The upper surface of the limiting bottom plate is an outward inclined surface, and the bottom surface of the limiting convex ring is an outward inclined surface.
The mould body includes the drum body, and the drum body is the cavity barrel, and drum body surface upper portion rigidity is provided with the upper column type arch, and drum body surface lower part rigidity is provided with down the column type arch, and the upper column type is protruding to be fixed with the circumference of lower column type arch around the drum body and sets up, and upper column type is protruding to be parallel arrangement from top to bottom with lower column type arch.
The limiting convex ring is matched with the inner barrel external thread of the inner barrel through a limiting convex ring internal thread in the limiting convex ring through hole on the inner barrel, and the up-down position adjustment on the inner barrel is realized.
The fixed pressing cover comprises an annular boss which is fixedly arranged at the upper part of the tightening bolt, and the annular boss and the tightening bolt are fixedly connected into a whole; the thread fixing is arranged on the surface of the tightening bolt, the tightening clamping groove is fixedly arranged in the middle of the annular boss of the fixed pressing cover, and the tightening clamping groove is symmetrically arranged in the front and the back of the annular boss.
The use process of the rolling device for the double-channel variable-pitch bearing ring comprises the following steps: firstly, adjusting the distance between a mandrel and a driving roller through the mandrel of a ring rolling machine and a sliding frame of a pressing arm, so that a high-temperature ring forging to be rolled can be tightly placed between the driving roller and the mandrel, and the ring forging is tightly contacted with a die body of a ring rolling die at the moment; meanwhile, the position of the axial conical roller is adjusted, so that the axial conical roller clamps the right part of the ferrule forging, and the axial conical roller plays a role in supporting the ferrule forging at the moment; then, opening a hydraulic cylinder of the clamping arm to enable the clamping arm to tightly clamp the ferrule forging, and enabling an arm guide roller of the clamping arm to be in close contact with the outer wall of the ferrule forging; at the moment, a motor and a speed reducer of a driving roller of the ring rolling machine are started to enable the driving roller to rotate clockwise, and meanwhile, a driving motor of a mandrel is started to enable the mandrel to rotate anticlockwise, so that an upper cylindrical protrusion and a lower cylindrical protrusion of a ferrule rolling die are in contact with the inner side surface of a variable pitch bearing ferrule to be rolled through the combined action of a clamping arm, the driving roller, the mandrel, a pressing arm and an axial conical roller, and a shape of the ferrule required by the variable pitch bearing is formed; the process is the using process of the rolling device of the double-channel variable-pitch bearing ring.
The method for installing the ring rolling die of the rolling device for the double-channel variable-pitch bearing ring comprises the following steps: step one, installation of a die body: firstly, a limiting bottom plate and an inner cylinder are fixedly connected into a whole, then a through hole of a die body is aligned with the inner cylinder, and the die body is screwed to the upper part of the limiting bottom plate by utilizing the occlusion and screwing of the internal thread of the through hole of the die body and the external thread of the inner cylinder; step two, installing a limiting convex ring: after the die body in the step one is installed, aligning the through hole of the limiting convex ring with the inner cylinder, and utilizing the inner thread of the limiting convex ring in the through hole of the limiting convex ring to be meshed and screwed with the outer thread of the inner cylinder so as to screw the limiting convex ring until the limiting convex ring is tightly contacted with the die body; step three, fixing the installation of the pressing cover: after the limiting convex ring in the step two is installed, the screwing bolt for fixing the pressing cover is aligned to the upper central through hole of the limiting convex ring, then the screwing clamping groove on the annular boss is clamped by the wrench to perform screwing action, and the limiting convex ring is fixed firmly by meshing and screwing the threads on the screwing bolt and the internal threads of the limiting convex ring in the limiting convex ring through hole.
The clamping arm is fixedly arranged at the front side and the rear side of a driving roller of the ring rolling machine, the clamping arm is arc-shaped, and an arm guide roller is fixedly arranged at the right side end of the clamping arm; the main purpose of the arrangement is to fix the front and rear positions of the high-temperature ferrule forging of the variable-pitch bearing through the arrangement of the clamping arm, so that the displacement of the high-temperature ferrule forging of the variable-pitch bearing is prevented; so as to avoid influencing the processing precision of the variable-pitch bearing ring.
The driving roller is fixedly arranged at the central position of the clamping arm and is vertically and fixedly connected with a speed reducer and a driving motor of the ring rolling machine; the mandrel is fixedly arranged at the right side of the driving roller, and the mandrel and the driving roller are arranged in a bilateral symmetry manner; the main purpose of the arrangement is to roll the variable-pitch bearing ring under the rotation of the driving roller and the mandrel in opposite directions through the arrangement of the driving roller and the mandrel; therefore, the material of the ring forging is saved, and the efficiency of rolling the variable-pitch bearing ring is improved.
The pressing arm is fixedly arranged at the left side position of the ring rolling machine, the pressing arm is fixedly connected with the sliding frame of the ring rolling machine, and the upper position of the pressing arm is fixedly provided with a pressing part; the main purpose of setting like this is in order to fix the lasso rolling mould on the dabber, prevents the axial float of lasso forging when rolling the change oar bearing ring from having improved the machining precision to the change oar bearing.
The ferrule rolling die is sleeved on the mandrel and is pressed and fixed by the pressing part of the pressing arm; the ring rolling die is a key part for processing the variable-pitch bearing ring, and the inner side surface of the ring forging is of the same structure under the combined action of the clamping arm, the driving roller, the mandrel, the pressing arm and the axial conical roller.
The inner cylinder is a hollow cylinder, and the outer wall of the inner cylinder is provided with inner cylinder external threads through the body; the main purpose of setting up like this is in order to realize the adjustment of mould body and spacing bulge loop in the upper and lower position of inner tube, improves the rolling processing to the oar bearing ring forging of the not co-altitude change, has improved the adaptability to the oar bearing ring forging of the not co-altitude change.
The limiting bottom plate is fixedly arranged at the bottom of the inner cylinder and is fixedly connected with the inner cylinder into a whole; the main purpose of the arrangement is to limit the position of the die body and improve the rolling processing precision of the variable-pitch bearing ring forge piece; on the other hand, the stability of the ferrule rolling die can be improved, and the vertical movement of the ferrule rolling die in the axial direction is reduced.
The limiting convex ring is provided with a through hole in the center, the inner wall of the through hole is provided with a limiting convex ring internal thread through the whole body, and the limiting convex ring is sleeved at the upper part of the die body through the internal thread of the through hole in a screwing manner; the main purpose of setting up like this is in order to utilize the free adjustment of spacing bulge loop internal thread at the inner tube upper and lower position to become the oar bearing ring according to the not co-altitude, adjust the height of spacing bulge loop.
The die body is manufactured in advance according to the design parameters of the ferrule, and the die body can be freely disassembled in the inner barrel so as to be suitable for the installation of the die bodies with different shapes.
The fixed pressing cover is fixedly arranged at the upper part of the limiting convex ring; the main purpose that sets up like this is in order to fix firmly through the setting of fixed compressing tightly the lid with spacing bulge loop to finally fix firmly the mould body, improve the stability of mould body, thereby improve the processing and become the rolling precision of oar bearing ring, improve the product quality of lasso.
Two screwing clamping grooves are fixedly arranged, one screwing clamping groove is fixedly arranged in the middle of the upper part of the fixed pressing cover, and the other screwing clamping groove is fixedly arranged in the middle of the bottom of the limiting convex ring; the main purpose of the arrangement is that through the arrangement of the tightening clamping groove, the tightening wrench is beneficial to clamping the tightening clamping groove to screw the fixed pressing cover on the limiting convex ring; the labor intensity of screwing the fixed pressing cover is reduced.
The die body comprises a cylinder body, the cylinder body is a hollow cylinder body, an upper cylindrical bulge is fixedly arranged at the upper part of the surface of the cylinder body, a lower cylindrical bulge is fixedly arranged at the lower part of the surface of the cylinder body, the upper cylindrical bulge and the lower cylindrical bulge are fixedly arranged around the circumference of the cylinder body, and the upper cylindrical bulge and the lower cylindrical bulge are arranged in parallel up and down; the main purpose of the arrangement is to enable the die body to be freely disassembled and replaced with different types of die bodies, and the application range of the ferrule rolling die is widened.
The limiting convex ring is matched with the inner barrel external thread of the inner barrel through a limiting convex ring internal thread in the limiting convex ring through hole on the inner barrel, so that the up-and-down position adjustment on the inner barrel is realized; the main purpose of setting like this is in order to be applicable to the rolling processing of the variable pitch bearing ring of different heights through the adjustment of spacing bulge loop position.
The upper surface of the limiting bottom plate is an outward inclined surface, and the bottom surface of the limiting convex ring is an outward inclined surface; the main purpose of the arrangement is to improve that the variable-pitch bearing ring can be quickly demoulded after being rolled.
The ring rolling machine is mature and commonly used mechanical equipment in the prior art, the driving power of the ring rolling machine is realized by a motor, and meanwhile, the rolling power of a driving roller is improved by a speed reducer; the hydraulic control system of a ring rolling machine is also a commonly used control system, and is a technology which can be obtained by a person skilled in the art by looking up relevant information and technical documents.
The utility model has the advantages that: the technical scheme provides a rolling device for a double-channel variable-pitch bearing ring, which has simple structural design, is scientific and reasonable, can solve the problems of waste of material and more stress defects in the process of machining a ring channel by adopting a turning mode, and simultaneously solves the problems of working time consumption and low machining efficiency in the turning of the ring channel; the efficiency of processing the variable-pitch bearing ring channel is greatly improved, the waste of the annular ring forging material is reduced, the stress defect of the variable-pitch bearing ring is greatly reduced, and the service life of the variable-pitch bearing ring is prolonged.
Drawings
FIG. 1 is a schematic structural view of the ring rolling machine of the present invention;
FIG. 2 is a schematic structural view of the ferrule rolling mold of the present invention;
the labels in the figure are: 1. the ring rolling machine comprises a ring rolling machine body 2, a clamping holding arm 3, a driving roller 4, a mandrel 5, a holding arm guide roller 6, a pressing arm 7, a pressing part 8, an axial conical roller 9, a ring rolling die 901, an inner cylinder 902, an inner cylinder external thread 903, a limiting bottom plate 904, a die body 9041, a cylinder body 9042, an upper column type bulge 9043, a lower column type bulge 905, a limiting convex ring 906, a limiting convex ring internal thread 907, a fixed pressing cover, 9071, an annular boss 9072, a screwing bolt 9073, a thread 10 and a screwing clamping groove.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the utility model adopts the technical scheme that: a rolling device for a double-channel variable-pitch bearing ring comprises a ring rolling machine 1, a clamping arm 2, a driving roller 3, a mandrel 4 and an arm guide roller 5; the clamping arm 2 is fixedly arranged at the front side and the rear side of a driving roller 3 of the ring rolling machine 1, the clamping arm 2 is arc-shaped, and an arm guide roller 5 is fixedly arranged at the right side end part of the clamping arm 2; the driving roller 3 is fixedly arranged at the central position of the clamping arm 2, and the driving roller 3 is vertically and fixedly connected with a speed reducer and a driving motor of the ring rolling machine 1; the mandrel 4 is fixedly arranged at the right side of the driving roller 3, and the mandrel 4 and the driving roller 4 are arranged in bilateral symmetry; the pressing arm 6 is fixedly arranged at the left side position of the ring rolling machine 1, the pressing arm 6 is fixedly connected with the sliding frame of the ring rolling machine 1, and the upper position of the pressing arm 6 is fixedly provided with a pressing part 7; the axial conical roller 8 is fixedly arranged at the right side of the ring rolling machine 1, and the axial conical roller 8 freely slides left and right on the frame of the ring rolling machine 1; a ferrule rolling die 9 is sleeved on the mandrel 4 and is simultaneously pressed and fixed by a pressing part 7 of a pressing arm 6; the ferrule rolling die 9 comprises an inner cylinder 901, the inner cylinder 901 is hollow and cylindrical, and an inner cylinder external thread 902 is arranged on the outer wall of the inner cylinder 901 in a whole body; the limiting bottom plate 903 is fixedly arranged at the bottom of the inner cylinder 901, and the limiting bottom plate 903 and the inner cylinder 901 are fixedly connected into a whole; the mold body 904 is provided with a through hole as the center, the inner wall of the through hole is provided with an internal thread through the whole body, and the mold body 904 is screwed on the inner cylinder 901 through the inner cylinder external thread 902 of the inner cylinder 901; a through hole is formed in the center of the limiting convex ring 905, a limiting convex ring internal thread 906 is formed in the inner wall of the through hole in a through mode, and the limiting convex ring 905 is sleeved at the upper position of the die body 904 in a screwing mode through the internal thread of the through hole; the fixed pressing cover 907 is fixedly arranged at the upper position of the limiting convex ring 905; two screwing clamping grooves 10 are fixedly arranged, one screwing clamping groove is fixedly arranged in the middle of the upper part of the fixed pressing cover 907, and the other screwing clamping groove is fixedly arranged in the middle of the bottom of the limiting convex ring 905; the tightening clamp grooves 10 are symmetrically arranged at the front and back positions of the bottom of the limiting convex ring 905.
The pressing arm 6 and the mandrel 4 are fixedly arranged on a sliding frame of the ring rolling machine 1, and a distance for adjusting the contact interval between the driving roller 3 and the mandrel 4 is arranged between the pressing arm 6 and the mandrel 4; the pressing portion 7 of the pressing arm 6 is used in cooperation with the mandrel 4, and the pressing portion 7 is hollow and cylindrical.
The pressing arm 6 is driven by a hydraulic cylinder of the ring rolling machine 1 to realize the up-and-down lifting or descending at the upper position of the mandrel 4.
The upper surface of the limiting bottom plate 903 is an outward inclined surface, and the bottom surface of the limiting convex ring 905 is an outward inclined surface.
The die body 904 comprises a cylinder body 9041, the cylinder body 9041 is a hollow cylinder, an upper cylindrical protrusion 9042 is fixedly arranged at the upper portion of the surface of the cylinder body 9041, a lower cylindrical protrusion 9043 is fixedly arranged at the lower portion of the surface of the cylinder body 9041, the upper cylindrical protrusion 9042 and the lower cylindrical protrusion 9043 are fixedly arranged around the circumference of the cylinder body 9041, and the upper cylindrical protrusion 9042 and the lower cylindrical protrusion 9043 are arranged in parallel up and down.
The limiting convex ring 905 is matched with the inner cylinder external thread 902 of the inner cylinder 901 through a limiting convex ring internal thread 906 in the through hole of the limiting convex ring 905 on the inner cylinder 901, so that the up-and-down position adjustment on the inner cylinder 901 is realized.
The fixed pressing cover 907 comprises an annular boss 9071, the annular boss 9071 is fixedly arranged at the upper part of the tightening bolt 9072, and the annular boss 9071 and the tightening bolt 9072 are fixedly connected into a whole; the screw threads 9073 are fixedly arranged on the surface of the tightening bolt 9072, the tightening clamping grooves 10 are fixedly arranged in the middle of the annular boss 9071 of the fixed pressing cover 907, and the tightening clamping grooves 10 are symmetrically arranged in the front and rear positions of the annular boss 9071.
The use process of the rolling device for the double-channel variable-pitch bearing ring comprises the following steps: firstly, the distance between the mandrel 4 and the driving roller 3 is adjusted through the mandrel 4 of the ring rolling machine 1 and the sliding frame of the pressing arm 6, so that a high-temperature ring forging to be rolled can be tightly placed between the driving roller 3 and the mandrel 4, and the ring forging is tightly contacted with the die body 904 of the ring rolling die 9; meanwhile, the position of the axial tapered roller 8 is adjusted, so that the axial tapered roller 8 clamps the right part of the ferrule forging, and the axial tapered roller 8 plays a supporting role on the ferrule forging at the moment; then, opening a hydraulic cylinder of the clamping arm 2 to enable the clamping arm 2 to tightly hold the ferrule forging, and enabling an arm guide roller 5 of the clamping arm 2 to be in close contact with the outer wall of the ferrule forging; at the moment, a motor and a speed reducer of a driving roller 3 of the ring rolling machine 1 are started to enable the driving roller 3 to rotate clockwise, and meanwhile, a driving motor of a mandrel 4 is started to enable the mandrel 4 to rotate anticlockwise, so that an upper cylindrical protrusion 9041 and a lower cylindrical protrusion 9042 of a ring rolling die 9 are in contact rolling with the inner side surface of a variable pitch bearing ring through the combined action of a clamping arm 2, the driving roller 3, the mandrel 4, a pressing arm 6 and an axial conical roller 8, and a ring shape required by the variable pitch bearing is formed; the process is the using process of the rolling device of the double-channel variable-pitch bearing ring.
The method for installing the ring rolling die of the rolling device for the double-channel variable-pitch bearing ring comprises the following steps: step one, installation of a die body: firstly, a limiting bottom plate 903 and an inner cylinder 901 are fixedly connected into a whole, then a through hole of a die body 904 is aligned with the inner cylinder 901, the through hole internal thread of the die body 904 is meshed and screwed with an inner cylinder external thread 902 of the inner cylinder 901, and the die body 904 is screwed to the upper position of the limiting bottom plate 903; step two, installing a limiting convex ring: after the die body 904 in the first step is installed, aligning a through hole of the limit convex ring 905 with the inner cylinder 901, engaging and screwing a limit convex ring internal thread 906 in the through hole of the limit convex ring 905 with an inner cylinder external thread 902 of the inner cylinder 901, and screwing the limit convex ring 905 until the limit convex ring is tightly contacted with the die body 904; step three, fixing the installation of the pressing cover: after the limit convex ring 905 in the second step is installed, the screwing bolt 9072 of the fixed pressing cover 907 is aligned to the upper central through hole of the limit convex ring 905, then the screwing clamping groove 9704 on the annular boss 9071 is clamped by a wrench to perform screwing action, and the limit convex ring 905 is fixed firmly by engaging and screwing the thread 9073 on the screwing bolt 9072 with the limit convex ring internal thread 906 in the through hole of the limit convex ring 905.
Claims (7)
1. A rolling device for a double-channel variable-pitch bearing ring comprises a ring rolling machine, a clamping arm, a driving roller, a mandrel and an arm guide roller; the clamping arm is fixedly arranged at the front side and the rear side of a driving roller of the ring rolling machine, the clamping arm is arc-shaped, and an arm guide roller is fixedly arranged at the right side end part of the clamping arm; the driving roller is fixedly arranged at the central position of the clamping arm and is vertically and fixedly connected with a speed reducer and a driving motor of the ring rolling machine; the mandrel is fixedly arranged at the right side of the driving roller, and the mandrel and the driving roller are arranged in a bilateral symmetry manner; the pressing arm is fixedly arranged at the left side position of the ring rolling machine, the pressing arm is fixedly connected with the sliding frame of the ring rolling machine, and the upper position of the pressing arm is fixedly provided with a pressing part; the axial conical roller is fixedly arranged at the right side position of the ring rolling machine and freely slides left and right on a rack of the ring rolling machine; the method is characterized in that: the ferrule rolling die is sleeved on the mandrel and is pressed and fixed by the pressing part of the pressing arm; the ferrule rolling die comprises an inner cylinder, the inner cylinder is hollow and cylindrical, and the outer wall of the inner cylinder is provided with an outer thread of the inner cylinder through the whole body; the limiting bottom plate is fixedly arranged at the bottom of the inner cylinder and is fixedly connected with the inner cylinder into a whole; the die body is provided with a through hole in the center, the inner wall of the through hole is provided with an internal thread in the whole body, and the die body is screwed on the inner cylinder through the external thread of the inner cylinder; the limiting convex ring is provided with a through hole in the center, the inner wall of the through hole is provided with a limiting convex ring internal thread through the whole body, and the limiting convex ring is sleeved at the upper part of the die body through the internal thread of the through hole in a screwing manner; the fixed pressing cover is fixedly arranged at the upper part of the limiting convex ring; two screwing clamping grooves are fixedly arranged, one screwing clamping groove is fixedly arranged in the middle of the upper part of the fixed pressing cover, and the other screwing clamping groove is fixedly arranged in the middle of the bottom of the limiting convex ring; the tightening clamping grooves are symmetrically arranged at the front and back positions of the bottom of the limiting convex ring.
2. The rolling device of the double-channel variable pitch bearing ring according to claim 1, wherein: the pressing arm and the mandrel are fixedly arranged on a sliding frame of the ring rolling machine, and a distance for adjusting the contact interval between the driving roller and the mandrel is arranged between the pressing arm and the mandrel; the compressing part of the compressing arm is correspondingly matched with the mandrel for use, and the compressing part is hollow cylindrical.
3. The rolling device of the double-channel variable pitch bearing ring according to claim 1, wherein: the pressing arm is driven by a hydraulic cylinder of the ring rolling machine to realize the up-and-down lifting or descending at the upper part of the mandrel.
4. The rolling device of the double-channel variable pitch bearing ring according to claim 1, wherein: the upper surface of the limiting bottom plate is an outward inclined surface, and the bottom surface of the limiting convex ring is an outward inclined surface.
5. The rolling device of the double-channel variable pitch bearing ring according to claim 1, wherein: the mould body includes the drum body, and the drum body is the cavity barrel, and drum body surface upper portion rigidity is provided with the upper column type arch, and drum body surface lower part rigidity is provided with down the column type arch, and the upper column type is protruding to be fixed with the circumference of lower column type arch around the drum body and sets up, and upper column type is protruding to be parallel arrangement from top to bottom with lower column type arch.
6. The rolling device of the double-channel variable pitch bearing ring according to claim 4, wherein: the limiting convex ring is matched with the inner barrel external thread of the inner barrel through the limiting convex ring internal thread in the limiting convex ring through hole on the inner barrel, and the up-down position adjustment on the inner barrel is realized.
7. The rolling device of the double-channel variable pitch bearing ring according to claim 1, wherein: the fixed pressing cover comprises an annular boss which is fixedly arranged at the upper part of the tightening bolt, and the annular boss and the tightening bolt are fixedly connected into a whole; the thread fixing is arranged on the surface of the tightening bolt, the tightening clamping groove is fixedly arranged in the middle of the annular boss of the fixed pressing cover, and the tightening clamping groove is symmetrically arranged in the front and the back of the annular boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489623.8U CN209830146U (en) | 2019-04-12 | 2019-04-12 | Rolling device of double-channel variable-pitch bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489623.8U CN209830146U (en) | 2019-04-12 | 2019-04-12 | Rolling device of double-channel variable-pitch bearing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209830146U true CN209830146U (en) | 2019-12-24 |
Family
ID=68911201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489623.8U Active CN209830146U (en) | 2019-04-12 | 2019-04-12 | Rolling device of double-channel variable-pitch bearing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209830146U (en) |
-
2019
- 2019-04-12 CN CN201920489623.8U patent/CN209830146U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110548797B (en) | Coreless spinning processing method for large-proportion multi-time reducing hollow shaft | |
| CN202336639U (en) | Self-centering gear hobbing clamp | |
| CN202622437U (en) | Finish turning fixture for external convex and varying ellipse of piston of diesel | |
| CN210523513U (en) | Coreless vertical spinning system for large-proportion multi-time reducing hollow shaft | |
| CN209830146U (en) | Rolling device of double-channel variable-pitch bearing ring | |
| CN109909408B (en) | Rolling device for double-channel variable-pitch bearing ring | |
| CN111468653A (en) | Ring rolling tool for producing bearing ring forge piece | |
| CN209830144U (en) | Rolling device for bearing ring forging tooth step | |
| CN217617108U (en) | Chemical tank barrel manufacturing punch forming finish machining device | |
| CN209830145U (en) | Rolling cutting device of super-huge bearing forging | |
| CN109365915A (en) | A kind of primary machining lathe of crucible | |
| CN210907569U (en) | Stamping device is used in auto parts production | |
| CN2837073Y (en) | Paper punching die used in printing machine | |
| CN209223309U (en) | A kind of primary machining lathe of crucible | |
| CN201682382U (en) | Intermittent adjusting mechanism of movable dies and fixed dies | |
| CN207057294U (en) | Band claw hollow cylinder and withdrawing pattern seat | |
| CN205732382U (en) | Axle correcting tool | |
| CN212071769U (en) | Tail spindle puller of spinning machine | |
| CN209737106U (en) | Portable hydraulic fixture for explosion-proof and explosion-proof motor end cover | |
| CN217891846U (en) | Stepless speed control device for plastic sheet segmented precise three-dimensional forming | |
| CN210523712U (en) | Tool clamp for hot forging of punch press | |
| CN210223776U (en) | Novel cylindrical winding former with variable diameter | |
| CN220144724U (en) | Aluminum alloy die casting equipment convenient to adjust | |
| CN219966339U (en) | Hydraulic hub forging equipment | |
| CN219112769U (en) | Reinforcing bar mechanical connection fastener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |