CN114147598B - Roller supporting device of stepping type multi-station centerless roller cylindrical grinding machine - Google Patents
Roller supporting device of stepping type multi-station centerless roller cylindrical grinding machine Download PDFInfo
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- CN114147598B CN114147598B CN202111442459.3A CN202111442459A CN114147598B CN 114147598 B CN114147598 B CN 114147598B CN 202111442459 A CN202111442459 A CN 202111442459A CN 114147598 B CN114147598 B CN 114147598B
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- jacking
- supporting plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 14
- 230000009191 jumping Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 241001131696 Eurystomus Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/22—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
Abstract
The invention belongs to the technical field of roller grinding, and particularly discloses a roller supporting device of a stepping type multi-station coreless roller cylindrical grinding machine, which comprises a roller supporting device, a roller servo jacking device and a roller cylinder jacking device, wherein the roller supporting device comprises a supporting plate, a roller jacking plate and a driving mechanism, the rollers can be placed at the top of the supporting plate, the front and rear parts of the upper part of the supporting plate are respectively provided with the roller jacking plates which are arranged in parallel with the roller jacking plate, the roller jacking plate is movably connected with the supporting plate, under the action of the driving mechanism, the roller jacking plate can vertically upwards move relative to the supporting plate to jack the rollers or vertically downwards move away from the rollers, under the action of the driving mechanism, the jacking heads and the cylinder stretching rod jacking heads can horizontally move left and right to be close to and jack the rollers or keep away from the rollers, so as to prevent the rollers from jumping during processing, improve coaxiality of the rollers after arc opening and finish grinding, improve the quality of finished products and improve the processing precision.
Description
Technical Field
The invention belongs to the technical field of roller grinding, and particularly discloses a roller supporting device of a stepping type multi-station centerless roller cylindrical grinding machine.
Background
The arc or logarithmic curve roller is usually ground by adopting a centerless penetrating grinding method, in order to meet the requirements of dimensional accuracy and surface quality of the roller, two working procedures of arc opening and accurate grinding are needed to be carried out on two grinding machines respectively, so that the roller quality stability is poor, the working efficiency is lower, a multi-station centerless roller cylindrical grinding machine is needed to be designed for improving the roller processing quality and the working efficiency, meanwhile, the arc opening and accurate grinding double stations are provided, the roller can be rapidly supported and clamped when being ground on the grinding machine, and the roller processing quality and the roller processing efficiency can be improved by adjusting the roller according to different sizes.
Disclosure of Invention
In order to solve the problems in the background technology, the invention discloses a roller supporting device of a stepping type multi-station centerless roller cylindrical grinding machine, which comprises a roller supporting device, a roller servo top device and a roller cylinder top device, wherein the roller supporting device, the roller servo top device and the roller cylinder top device can perform stepping type arc opening and cylindrical grinding on the same grinding machine, the processing efficiency is high, and the quality of a finished product is good.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a marching type multistation centerless roller cylindrical grinder roller strutting arrangement, including the bottom plate, roller strutting arrangement, roller servo top device and roller cylinder top device, the bottom plate level sets up, roller strutting arrangement includes the backup pad, roller jack-up board and actuating mechanism, the backup pad is vertical to be set up on the bottom plate, the roller can be placed at the top of backup pad, be equipped with respectively in backup pad upper portion front and back rather than parallel arrangement's roller jack-up board, roller jack-up board and backup pad swing joint, under actuating mechanism's effect, roller jack-up board can be relative backup pad vertical upwards move with the roller jack-up or vertical downwardly moving keep away from the roller, roller servo top device and roller cylinder top device interval set up the left and right sides at the backup pad, roller servo top device includes the top, roller cylinder top device includes cylinder extension pole top, top and cylinder extension pole top set up in the top of backup pad relatively, under actuating mechanism's effect, top and cylinder extension pole top can control horizontal migration be close and the top roller or keep away from.
Further, actuating mechanism includes lower connecting rod, upper connecting rod, gear and rack, and the interval is equipped with the through-hole that two levels run through the backup pad about the backup pad middle part, wears to be equipped with the gear shaft in every through-hole respectively, and the both ends of every gear shaft rotate respectively and are connected with the gear the below of gear is equipped with the rack of being connected with the gear engagement respectively, and the rack is through slider and guide rail and the bottom plate swing joint that match the setting, and the one end of rack is connected with the rack cylinder extension rod of rack cylinder through the connecting piece, the gear is connected with the lower extreme of the lower connecting rod that the slope upwards set up respectively, and the lower extreme of lower connecting rod is articulated to be connected with the lower extreme of the upper connecting rod that the reverse slope set up, and the upper end of upper connecting rod is articulated to be connected with roller jack-up board lower extreme, under the effect of rack cylinder, the rack can be controlled and pass through gear, lower connecting rod and upper connecting rod drive roller jack-up board relative backup pad vertical upward movement with the roller jack-up or vertical downwardly moving keep away from the roller in proper order.
Further, the roller servo top device comprises a servo motor, a shaft coupling, a screw and a top, wherein the servo motor is arranged on the fixed plate through a motor frame, the output end of the servo motor is connected with one end of the screw through the shaft coupling, the other end of the screw is threaded through a nut in threaded connection, the upper portion of a vertically arranged nut seat is penetrated with the horizontally arranged top at the lower portion of the nut seat, the free end of the top extends towards the direction close to the roller, and the screw can drive the top to move left and right to be close to or far away from the roller through the nut seat under the action of the servo motor.
Further, the roller cylinder top device comprises a cylinder support, a cylinder fixing plate, a cylinder and a cylinder extending rod top, the free end of the cylinder extending rod top is arranged opposite to the free end of the top, the other end of the cylinder extending rod top is connected with the output end of the cylinder, the cylinder is arranged at the top of the cylinder fixing plate, the cylinder fixing plate is fixedly connected with the bottom plate through the vertically arranged cylinder support, and the cylinder can push the cylinder extending rod top to move against the roller in the direction approaching to the roller.
Further, a linear bearing is sleeved in the middle of the top, the linear bearing is arranged on the upper portion of the ejector rod connecting plate, and the lower portion of the ejector rod connecting plate is connected with the upper end of the ejector rod support arranged on the bottom plate.
Further, the left end and the right end of the front side surface and the rear side surface of the upper part of the supporting plate are respectively provided with a clamping groove matched with the roller jacking plate, the clamping grooves are vertically arranged, and the left end and the right end of the roller jacking plate are respectively embedded in the corresponding clamping grooves to be in sliding connection with the clamping grooves.
Further, a discharge hole is formed in one end, close to the cylinder fixing plate, of the top of the supporting plate, and under the action of the servo motor, the top moves in the direction close to the roller to push the processed roller to be guided out of the discharge hole.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a roller supporting device of a stepping type multi-station centerless roller cylindrical grinding machine, which comprises a roller supporting device, a roller servo top device and a roller cylinder top device, wherein the roller supporting device is used for supporting a roller, the roller servo top device and the roller cylinder top device are arranged at the left side and the right side of a supporting plate at intervals, the roller servo top device comprises a top, the roller cylinder top device comprises a cylinder extension rod top, the top and the cylinder extension rod top are oppositely arranged above the supporting plate, the top and the cylinder extension rod top can horizontally move left and right to approach and prop against the roller or keep away from the roller under the action of a driving device, and during working, the two end surfaces of the roller are respectively propped against by a servo motor ejector rod and a cylinder outlet rod top, so that the roller can be prevented from jumping during processing, the coaxiality of the roller after arc opening and accurate grinding is improved, the quality of a finished product is improved, the processing precision is improved, the arc opening and the accurate grinding of the roller is performed on the same grinding machine in a stepping mode, the processing efficiency is high, the quality of the finished product is convenient to adjust, install, maintain and use.
Drawings
FIG. 1 is a schematic diagram of the front view of the present invention;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a left side schematic view of FIG. 1;
FIG. 5 is a right side schematic view of FIG. 1;
FIG. 6 is a schematic perspective view of FIG. 1;
FIG. 7 is a schematic diagram of a roller refining process;
in the above figures: 1-a bottom plate; 2-a roller support device; 3-a roller servo plug device; 4-a roller cylinder top device; 5-a roller; 6, a discharge hole; 2.1-supporting plates; 2.2-guide rails; 2.3-sliders; 2.4-racks; 2.5-rack cylinder fixing plate; 2.6-rack cylinder extension bar; 2.7-rack cylinder; 2.8-gear shaft; 2.9-bond; 2.10-thrust bearing a; 2.11-gear; 2.12-deep groove ball bearings; 2.13-thrust bearing B; 2.14-capping; 2.15-locking nut; 2.16-lower links; 2.17-upper connecting rod; 2.18-roller jack-up plate; 3.1-a motor frame; 3.2-motor base; 3.3-bearing seats; 3.4-servo motor; 3.5-coupling; 3.6-screw rod; 3.7-nut; 3.8-a nut seat; 3.9-a plug; 3.10-linear bearings; 3.11-ejector rod connecting plates; 3.12-a push rod bracket; 4.1-cylinder bracket; 4.2-cylinder fixing plate; 4.3-cylinder; 4.4-the cylinder stretches out the pole top.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the roller supporting device of the stepping type multistation coreless roller cylindrical grinding machine of the invention comprises a bottom plate 1, a roller supporting device 2, a roller servo top device 3 and a roller cylinder top device 4, wherein the bottom plate 1 is horizontally arranged, the roller supporting device 2 comprises a supporting plate 2.1, a roller lifting plate 2.18 and a driving mechanism, the supporting plate 2.1 is vertically arranged on the bottom plate 1, the roller 5 can be placed on the top of the supporting plate 2.1, the front and rear parts of the upper part of the supporting plate 2.1 are respectively provided with the roller lifting plate 2.18 which is arranged in parallel with the roller lifting plate, the left and right ends of the front and rear sides of the upper part of the supporting plate 2.1 are respectively provided with clamping grooves matched with the roller lifting plate 2.18, the clamping grooves are vertically arranged, the left and right ends of the roller lifting plate 2.18 are respectively embedded in the corresponding clamping grooves to be connected with the clamping grooves in a sliding manner under the action of the driving mechanism, the roller jacking plate 2.18 can vertically upwards move relative to the supporting plate 2.1 to jack up the roller 5 or vertically downwards move away from the roller 5, the roller servo jacking device 3 and the roller cylinder jacking device 4 are arranged at the left side and the right side of the supporting plate 2.1 at intervals, the roller servo jacking device 3 comprises a jacking head 3.9, the roller cylinder jacking device 4 comprises a cylinder extension rod jacking head 4.4, the jacking head 3.9 and the cylinder extension rod jacking head 4.4 are oppositely arranged above the supporting plate 2.1, under the action of a driving device, the jacking head 3.9 and the cylinder extension rod jacking head 4.4 can horizontally move left and right to be close to and prop up the roller 5 or keep away from the roller 5, the jacking head 3.9 and the cylinder extension rod jacking head 4.4 prop up the two ends of the roller 5 to prevent the roller 5 from jumping in the processing process, one end, close to the cylinder fixing plate 4.2 at the top of the supporting plate 2.1 is provided with a discharging hole 6, under the action of the servo motor 3.4, the plug 3.9 moves in a direction approaching the roller 5 to push the processed roller 5 to be led out from the discharge hole 6.
As an alternative design, preferably, the driving mechanism of the roller supporting device 2 comprises a lower connecting rod 2.16, an upper connecting rod 2.17, gears 2.11 and racks 2.4, two through holes horizontally penetrating through the supporting plate 2.1 are arranged at left and right intervals in the middle of the supporting plate 2.1, a gear shaft 2.8 is respectively penetrated in each through hole, the gear shaft 2.8 is connected with the roller supporting plate 2.1 through a key 2.9, two ends of each gear shaft 2.8 are respectively connected with the gears 2.11 in a rotating way, two ends of the two gear shafts 2.8 extending out of the roller supporting plate 2.1 are respectively sleeved with a thrust bearing A2.10 and a deep groove ball bearing 2.12, two ends of the thrust bearing A2.10 are respectively contacted with the surfaces of the roller supporting plate 2.1 and the gears 2.11, the outer groove ball bearing 2.12 is sleeved in holes in the middle of the four gears 2.11, the inner grooves in the outer sides of the gears 2.11 are sleeved with a thrust bearing B2.13, the inner bosses of the pressing cover 2.14 are matched with the inner holes of the thrust bearing B2.13, the shaft shoulders of the pressing cover 2.14 are contacted with the end surfaces of the thrust bearing B2.13, the locking nut 2.15 is screwed with the threads at the outermost sides of the two ends of the gear shaft 2.8 to fix the gear 2.11, racks 2.4 meshed with the gear 2.11 are respectively arranged below the gear 2.11, the racks 2.4 are movably connected with the bottom plate 1 through sliding blocks 2.3 and guide rails 2.2 which are arranged in a matching way, the guide rails 2.2 are respectively and fixedly arranged at the front side and the rear side of the lower end of the supporting plate 2.1, the sliding blocks 2.3 are assembled on the guide rails 2.2, the racks 2.4 are fixedly arranged above the sliding blocks 2.3, the right ends of the two racks 2.4 are fixedly provided with rack cylinder fixing plates 2.5, rack cylinders 2.7 are fixedly arranged above the bottom plate 1 and are positioned at the right side of the roller supporting plate 2.1, rack cylinder extension rods 2.6 are fixedly connected with the rack cylinder fixing plates 2.5, the gears 2.11 are respectively connected with the lower ends of lower connecting rods 2.16 which are arranged obliquely upwards, two small screw holes are respectively arranged on the end faces of the gears 2.11, the lower connecting rods 2.16 are fixedly arranged, the upper ends of the lower connecting rods 2.16 are connected with the upper ends of the upper connecting rods which are arranged obliquely in a reverse direction, the upper end of the upper connecting rod 2.17 is hinged with the lower end of the roller jacking plate 2.18, the rack cylinder 2.7 pushes the rack cylinder extension rod 2.6 to extend outwards, the rack 2.4 is pushed to move leftwards to drive the gear 2.11 to rotate clockwise, the roller jacking plate 2.18 is driven to jack upwards in a chute at the upper part of the roller supporting plate 2.1 through the lower connecting rod 2.16 and a connecting rod mechanism of the upper connecting rod 2.17, when the roller jacking plate 2.18 jacks the highest part, the roller jacking plate 2.18 at the front side and the rear side of the supporting plate 2.1 is higher than the upper surface of the roller supporting plate 2.1, the roller 5 on the roller supporting plate 2.1 is jacked, the roller supporting plate 2.1 is separated, the roller jacking plate 2.18 is made of plastic materials, the roller 5 is convenient to slide leftwards under the pushing of the servo motor 3.4, and the surface of the roller is not easy to be scratched.
As an alternative design, the roller servo top device 3 preferably comprises a servo motor 3.4, a coupler 3.5, a screw rod 3.6 and a top 3.9, wherein the servo motor 3.4 is fixedly arranged at the right end of a motor seat 3.2, the motor seat 3.2 is fixedly arranged on the right side above a motor support 3.1, the motor support 3.1 is fixedly arranged on the right side above a bottom plate 1, a bearing seat 3.3 is sleeved in a hole above the motor support 3.1, the right end of the screw rod 3.6 is sleeved in a hole in the middle of the bearing seat 3.3, the output shaft of the servo motor 3.4 is connected with the output shaft of the screw rod 3.5 through the coupler, a nut 3.7 is sleeved on the screw rod 3.6, the outer circle of the nut 3.7 is fixedly sleeved in a nut seat 3.8, a top 3.9 is arranged in a slotted small hole below the nut seat 3.8 in a penetrating manner, a linear bearing 3.10 is sleeved in the middle of the top 3.9, the linear bearing 3.10 is sleeved in a hole above a top rod connecting plate 3.11, the bottom rod connecting plate 3.11 is fixedly connected with the bottom of the top rod connecting plate 3.12, the bottom of the top rod connecting plate 3.12 is fixedly arranged below the top rod connecting plate, the top rod 3.12 is arranged on the bottom plate 3.1, the top rod is driven by the top rod 3.5 to move a left side and the top rod 3.5 to drive the top rod to move a roller 3.7 into a stepping position, and finally, and the left side of the top rod 3.5 is driven to move into a position of the bottom plate 3.5, and the roller is driven to move into a position of the bottom hole.
As an alternative design, the roller cylinder top device 4 preferably comprises a cylinder support 4.1, a cylinder fixing plate 4.2, a cylinder 4.3 and a cylinder extension rod top 4.4, wherein the free end of the cylinder extension rod top 4.4 is opposite to the free end of the top 3.9, the other end of the cylinder extension rod top 4.4 is connected with the output end of the cylinder 4.3, the cylinder 4.3 is arranged at the top of the cylinder fixing plate 4.2, the cylinder fixing plate 4.2 is fixedly connected with the bottom plate 1 through the vertically arranged cylinder support 4.1, and the cylinder 4.3 can push the cylinder extension rod top 4.4 to move towards the direction close to the roller 5 so as to push against the roller 5, so that the roller 5 is ensured not to jump during processing.
The working process of the invention is as follows:
the grinding wheel on the grinding machine matched with the roller supporting device of the stepping type multi-station centerless roller cylindrical grinding machine is double grinding wheels, and one grinding wheel is 80 grains and is used for opening an arc; the other grinding wheel is 240 grains and is used for fine grinding, the guide wheel is also a double guide wheel and is respectively used for arc starting and fine grinding, the outer circle shapes of the double grinding wheel and the double guide wheel are all modified according to the size and shape required by a grinding roller procedure, when in grinding, the roller is arranged above the supporting plate 2.1, the grinding wheel and the guide wheel are respectively positioned at two sides of the outer circle of the roller and are contacted with the roller, the right end surface of the roller is propped by the jacking head 3.9 driven by the servo motor 3.4, the left end surface is propped by the jacking head 4.4 of the cylinder, thus, the roller can be prevented from jumping during grinding, the servo electricity is generated, the 3.4 drives the jacking head 3.9 to push the roller 5 to the accurate position required by each station, the coaxiality of the roller during processing can be ensured by the double grinding wheel and the double guide wheel design, secondary clamping can be avoided, and the processing precision and the efficiency can be improved;
before grinding, starting a rack cylinder 2.7, pushing a rack 2.4 to move leftwards by a rack cylinder extension rod 2.6, driving a gear 2.11 to rotate clockwise, jacking a roller jacking plate 2.18 through a lower connecting rod 2.16 and an upper connecting rod 2.17, placing a roller 5 into a groove in the middle of the rightmost end above the two roller jacking plates 2.18, opening a servo motor 3.4, driving a lead screw 3.6 to rotate by the servo motor 3.4, pushing a jacking head 3.9 leftwards by the lead screw 3.6, accurately pushing the roller 5 to a first station, namely an arc opening station, stopping the servo motor 3.4 after the jacking head 3.9 abuts against the right end surface of the roller 5, reversely feeding air by the rack cylinder 2.7, driving the rack 2.4 to move rightwards by the rack cylinder extension rod 2.6, driving the gear 2.11 to rotate anticlockwise, pulling the roller jacking plate 2.18 to move downwards by the lower connecting rod 2.16 and the upper connecting rod 2.17, enabling the top of the roller jacking plate 2.18 to be lower than the top of the roller supporting plate 2.1, and opening the other roller 4 to extend rightwards by the cylinder extension rod 2.4;
when the arc is opened, the grinding wheel and the guide wheel start to rotate, the 80-grain grinding wheel and the first guide wheel are slowly close to the grinding roller 5, the outer circular surfaces of the 80-grain grinding wheel and the first guide wheel are trimmed according to the outer circular shape required by the arc opening of the roller, and the roller 5 is ground into the shape and the size required by the arc opening;
after the starting of the arc is completed, the 80-grain grinding wheel, the first guide wheel and the cylinder 4.3 are retracted, the rack cylinder 2.7 is opened, the rack cylinder extension rod 2.6 pushes the rack 2.4 to move leftwards, the gear 2.11 is driven to rotate clockwise, the roller jacking plate 2.18 is jacked up by a lower connecting rod 2.16 and an upper connecting rod 2.17 connecting rod mechanism, the roller 5 is jacked up and leaves the roller support plate 2.1, the servo motor 3.4 is opened, the servo motor 3.4 continues to drive the jacking head 3.9 to move leftwards against the roller 5, the roller 5 is accurately pushed to a second station, namely a fine grinding excircle station, the servo motor 3.4 is stopped, the rack cylinder 2.7 reversely feeds air, the rack cylinder extension rod 2.6 drives the rack 2.4 to move rightwards, the gear 2.11 is driven to rotate anticlockwise, the top of the roller jacking plate 2.18 is pulled by the lower connecting rod 2.16 and the upper connecting rod 2.17 connecting rod mechanism, the top of the roller jacking plate 2.18 is enabled to be lower than the top of the roller support plate 2.1, the roller 5 falls to the upper end of the roller support plate 2.1, and the servo motor 3.4 is opened, and the other cylinder extension rod 4 extends rightwards beyond the end face of the roller 5;
during fine grinding, the 240-grain grinding wheel and the second guide wheel are slowly close to the grinding roller 5, the outer circular surfaces of the 240-grain grinding wheel and the second guide wheel are trimmed according to the outer circular shape required by fine grinding of the roller, and the roller 5 is ground into the shape and the size required by fine grinding;
after finishing accurate grinding, the 240 grinding wheels, the second guide wheels and the air cylinders 4.3 are retracted, the rack air cylinders 2.7 are opened, the rack air cylinders extend out of the rods 2.6 to push the racks 2.4 to move leftwards, the gears 2.11 are driven to rotate clockwise, the roller jacking plates 2.18 are jacked up by the lower connecting rods 2.16 and the upper connecting rods 2.17, the rollers 5 are jacked up, the rollers leave the roller support plates 2.1, the servo motors 3.4 are opened, the servo motors 3.4 drive the jacks 3.9 to continuously move leftwards against the rollers 5 and enter the discharge holes 6, arc opening and accurate grinding of the excircles are carried out on the same grinding machine in a stepping mode, the processing efficiency is high, the quality of finished products is good, and the adjustment, the installation and the maintenance are convenient to use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A roller supporting device of a stepping type multi-station centerless roller cylindrical grinding machine is characterized in that: comprises a bottom plate, a roller supporting device, a roller servo jacking device and a roller cylinder jacking device, wherein the bottom plate is horizontally arranged, the roller supporting device comprises a supporting plate, a roller jacking plate and a driving mechanism, the supporting plate is vertically arranged on the bottom plate, a roller can be placed at the top of the supporting plate, the front and the rear of the upper part of the supporting plate are respectively provided with the roller jacking plate which is arranged in parallel with the roller jacking plate, the roller jacking plate is movably connected with the supporting plate, the driving mechanism comprises a lower connecting rod, an upper connecting rod, a gear and a rack, two horizontal through holes penetrating the supporting plate are arranged at the left and right sides of the middle part of the supporting plate at intervals, gear shafts are respectively penetrated in each through hole, two ends of each gear shaft are respectively connected with the gear in a rotating way, racks which are respectively connected with the gears in a meshed way are respectively arranged below the gears, and the racks are movably connected with the bottom plate through sliding blocks and guide rails which are arranged in a matching way, one end of the rack is connected with a rack cylinder extension rod of the rack cylinder through a connecting piece, the gear is respectively connected with the lower end of a lower connecting rod which is obliquely upwards arranged, the upper end of the lower connecting rod is hinged with the lower end of an upper connecting rod which is reversely obliquely arranged, the upper end of the upper connecting rod is hinged with the lower end of a roller jacking plate, under the action of the rack cylinder, the rack can move left and right and drive the roller jacking plate to vertically upwards move relative to a supporting plate to jack the roller or vertically downwards move away from the roller through the gear, the lower connecting rod and the upper connecting rod, a roller servo jacking device and a roller cylinder jacking device are arranged at the left side and the right side of the supporting plate at intervals, the roller servo jacking device comprises a jacking head, the jacking head and the cylinder extension rod jacking head are oppositely arranged above the supporting plate under the action of a driving device, the top and the cylinder extension rod top can horizontally move left and right to approach and prop against the roller or keep away from the roller.
2. The roller support device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 1, wherein the roller support device is characterized in that: the roller servo top device comprises a servo motor, a shaft coupling, a screw and a top, wherein the servo motor is arranged on a bottom plate through a motor frame, the output end of the servo motor is connected with one end of the screw through the shaft coupling, the other end of the screw is threaded through a nut in threaded connection, the top which is horizontally arranged is threaded on the lower portion of the nut seat, the free end of the top extends towards the direction which is close to the roller, and the screw can drive the top to move left and right to be close to or far away from the roller through the nut seat under the action of the servo motor.
3. The roller support device of the stepping type multi-station centerless roller cylindrical grinding machine according to claim 2, wherein: the roller cylinder top device comprises a cylinder support, a cylinder fixing plate, a cylinder and a cylinder extending rod top, wherein the free end of the cylinder extending rod top is arranged opposite to the free end of the top, the other end of the cylinder extending rod top is connected with the output end of the cylinder, the cylinder is arranged at the top of the cylinder fixing plate, the cylinder fixing plate is fixedly connected with a bottom plate through the vertically arranged cylinder support, and the cylinder can push the cylinder extending rod top to move in the direction close to the roller so as to push against the roller.
4. The roller support device of the stepping type multi-station centerless roller cylindrical grinding machine according to claim 2, wherein: the middle part of the top is sleeved with a linear bearing, the linear bearing is arranged on the upper part of a top rod connecting plate, and the lower part of the top rod connecting plate is connected with the upper end of a top rod bracket arranged on the bottom plate.
5. The roller support device of the stepping type multi-station centerless roller cylindrical grinding machine according to claim 2, wherein: the left end and the right end of the front side surface and the rear side surface of the upper part of the supporting plate are respectively provided with a clamping groove matched with the roller jacking plate, the clamping grooves are vertically arranged, and the left end and the right end of the roller jacking plate are respectively embedded in the corresponding clamping grooves and are in sliding connection with the clamping grooves.
6. A step-by-step multistation coreless roll cylindrical grinder roll supporting device according to claim 3, wherein: a discharge hole is formed in one end, close to the cylinder fixing plate, of the top of the supporting plate, and under the action of the servo motor, the top moves in the direction close to the roller to push the processed roller to be guided out of the discharge hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111442459.3A CN114147598B (en) | 2021-11-30 | 2021-11-30 | Roller supporting device of stepping type multi-station centerless roller cylindrical grinding machine |
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| CN202111442459.3A CN114147598B (en) | 2021-11-30 | 2021-11-30 | Roller supporting device of stepping type multi-station centerless roller cylindrical grinding machine |
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| CN114147598B true CN114147598B (en) | 2024-03-22 |
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| CN202111442459.3A Active CN114147598B (en) | 2021-11-30 | 2021-11-30 | Roller supporting device of stepping type multi-station centerless roller cylindrical grinding machine |
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| JPH05154750A (en) * | 1991-02-20 | 1993-06-22 | T H K Kk | Cylindrical grinding machine with mating wheel spindle stocks |
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