CN114147598A - 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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- CN114147598A CN114147598A CN202111442459.3A CN202111442459A CN114147598A CN 114147598 A CN114147598 A CN 114147598A CN 202111442459 A CN202111442459 A CN 202111442459A CN 114147598 A CN114147598 A CN 114147598A
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- 238000013459 approach Methods 0.000 claims abstract description 5
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- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
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- 230000001095 motoneuron effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 12
- 230000009191 jumping Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention belongs to the technical field of roller grinding, and particularly discloses a roller supporting device of a stepping multi-station centerless roller cylindrical grinding machine, which comprises a roller supporting device, a roller servo top head device and a roller cylinder top head device, wherein the roller supporting device comprises a supporting plate, a roller top plate and a driving mechanism, a roller can be placed at the top of the supporting plate, the roller top plates which are arranged in parallel with the supporting plate are respectively arranged in the front and the back of the upper part of the supporting plate, the roller top plate is movably connected with the supporting plate, under the action of the driving mechanism, the roller top plate can vertically move upwards relative to the supporting plate to jack the roller or vertically move downwards to be far away from the roller, under the action of the driving mechanism, a top head and a cylinder extension rod top head can horizontally move left and right to approach and jack the roller or be far away from the roller, the roller is prevented from jumping during processing, and the coaxiality of the roller after arc opening and fine grinding is improved, the quality of finished products is improved, and the processing precision is improved.
Description
Technical Field
The invention belongs to the technical field of roller grinding, and particularly discloses a roller supporting device of a stepping multi-station centerless roller cylindrical grinding machine.
Background
Circular arc or logarithmic curve rollers are usually ground by adopting a centerless through grinding method, in order to meet the requirements of the size precision and the surface quality of the rollers, two procedures of arc opening and fine grinding are required to be respectively carried out on two grinding machines, so that the stability of the roller quality is poor, the working efficiency is low, in order to improve the processing quality and the working efficiency of the rollers, a multi-station centerless roller cylindrical grinding machine needs to be designed, and meanwhile, double stations of arc opening and fine grinding are provided, the rollers can be quickly supported and clamped when being ground on the grinding machines, and can be adjusted according to the rollers with different sizes, so that the purposes of improving the processing quality and the processing efficiency of the rollers are achieved.
Disclosure of Invention
In order to solve the problems in the background art, the invention discloses a roller supporting device of a stepping multi-station centerless roller cylindrical grinding machine, which comprises a roller supporting device, a roller servo top head device and a roller cylinder top head device, can perform arc opening and accurate grinding on an outer circle in a stepping mode on the same grinding machine, and is high in machining efficiency and good in finished product quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a roller supporting device of a stepping multi-station centerless roller cylindrical grinding machine comprises a bottom plate, a roller supporting device, a roller servo ejection head device and a roller cylinder ejection head device, wherein the bottom plate is horizontally arranged, the roller supporting device comprises a supporting plate, a roller ejection 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 roller ejection plates which are arranged in parallel with the supporting plate are respectively arranged in the front and at the back of the upper part of the supporting plate, the roller ejection plate is movably connected with the supporting plate, under the action of the driving mechanism, the roller ejection plate can vertically move upwards relative to the supporting plate to eject or vertically move downwards to be away from the roller, the roller servo ejection head device and the roller cylinder ejection head device are arranged on the left side and the right side of the supporting plate at intervals, the roller servo ejection head device comprises an ejection head, the roller cylinder ejection rod ejection head device comprises an air cylinder extension rod ejection head, the ejection head and the air cylinder extension rod ejection head are oppositely arranged above the supporting plate, under the action of the driving device, the top head and the cylinder extension rod top head can horizontally move left and right to approach and push against the roller or be far away from the roller.
Furthermore, the driving mechanism comprises a lower connecting rod, an upper connecting rod, a gear and a rack, two through holes horizontally penetrating through the supporting plate are arranged at the left and the right of the middle part of the supporting plate at intervals, a gear shaft is respectively arranged in each through hole in a penetrating way, the two ends of each gear shaft are respectively and rotatably connected with the gear, racks meshed with the gears are respectively arranged below the gears, 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 each rack is connected with a rack cylinder extension rod of the rack cylinder through a connecting piece, the gears are respectively connected with the lower ends of lower connecting rods which are obliquely and upwards arranged, the upper ends of the lower connecting rods are hinged with the lower ends of upper connecting rods which are reversely and obliquely arranged, the upper ends of the upper connecting rods are hinged with the lower ends of the roller jacking plates, under the action of the rack cylinder, the rack can move left and right and drives the roller jacking plate to vertically move upwards relative to the supporting plate through the gear, the lower connecting rod and the upper connecting rod in sequence so as to jack up or vertically move downwards to be far away from the roller.
Further, the servo top device of roller includes servo motor, the shaft coupling, lead screw and top, servo motor passes through the motor frame and sets up on the fixed plate, servo motor's output passes through the shaft coupling and is connected with the one end of lead screw, the nut seat upper portion at vertical setting is worn to establish by the nut of threaded connection by the other end of lead screw, wear to establish the top that the level set up in the lower part of nut seat, the free end of top extends towards the direction that is close to the roller, under servo motor's effect, the lead screw can pass through the nut seat and drive the top and remove about being close to or keeping away from the roller.
Further, roller cylinder top device includes cylinder support, cylinder fixed plate, cylinder and cylinder extension bar top, and cylinder extension bar top free end sets up with the free end of top relatively, and the cylinder extension bar top other end is connected with the cylinder output, and the cylinder setting is at cylinder fixed plate top, and the cylinder fixed plate is through the cylinder support and the bottom plate fixed connection of vertical setting, and the cylinder can promote the cylinder extension bar top and move to the direction that is close the roller and is pushing against the roller.
Furthermore, a linear bearing is sleeved in the middle of the ejector head and 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 an ejector rod support arranged on the bottom plate.
Furthermore, the left end and the right end of the front side and the rear side 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.
Further, the end close to the cylinder fixed plate at the top of the supporting plate is provided with a discharge hole, and under the action of the servo motor, the ejector head moves towards the direction close to the roller to push the processed roller to be led out from 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 multi-station centerless roller cylindrical grinding machine, which comprises a roller supporting device, a roller servo ejector head device and a roller cylinder ejector head device, wherein the roller supporting device is used for supporting a roller, the roller servo ejector head device and the roller cylinder ejector head device are arranged on the left side and the right side of a supporting plate at intervals, the roller servo ejector head device comprises an ejector head, the roller cylinder ejector head device comprises a cylinder extension rod ejector head, the ejector head and the cylinder extension rod ejector head are oppositely arranged above the supporting plate, under the action of a driving device, the ejector head and the cylinder extension rod ejector head can horizontally move left and right to approach and push against the roller or to be far away from the roller, when the roller supporting device works, two end surfaces of the roller are respectively pushed against by a servo motor ejector rod and the cylinder extension rod ejector head, the roller can be prevented from jumping during processing, the coaxiality of the roller after arc opening and fine grinding is improved, the quality of a finished product is improved, and the processing precision is improved, the arc opening and the accurate grinding of the excircle are carried out in a stepping way on the same grinding machine, the processing efficiency is high, the quality of the finished product is good, and the adjustment, the installation, the maintenance and the use are convenient.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a schematic left side view of the structure of FIG. 1;
FIG. 5 is a schematic diagram of the right side view of the structure of FIG. 1;
FIG. 6 is a schematic perspective view of FIG. 1;
FIG. 7 is a schematic diagram of a state of a roller finish grinding process;
in the above figures: 1-a bottom plate; 2-roller support means; 3-roller servo head device; 4-roller cylinder top device; 5-a roller; 6-discharging port; 2.1-support plate; 2.2-guide rail; 2.3-sliding block; 2.4-rack; 2.5-rack cylinder fixing plate; 2.6-extension rod of rack cylinder; 2.7-rack cylinder; 2.8-gear shaft; 2.9-bond; 2.10-thrust bearing a; 2.11-gear; 2.12-deep groove ball bearing; 2.13-thrust bearing B; 2.14-gland; 2.15-lock nut; 2.16-lower link; 2.17-upper connecting rod; 2.18-roller jacking plate; 3.1-motor frame; 3.2-motor base; 3.3-bearing seat; 3.4-servo motor; 3.5-shaft coupling; 3.6-lead screw; 3.7-nut; 3.8-nut seat; 3.9-plug; 3.10-linear bearing; 3.11-mandril connecting plate; 3.12-mandril bracket; 4.1-cylinder support; 4.2-cylinder fixing plate; 4.3-cylinder; 4.4-cylinder extension rod top.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to the accompanying drawings 1-7, the roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine of the invention is described in detail, and comprises a bottom plate 1, a roller supporting device 2, a roller servo top head device 3 and a roller cylinder top head device 4, wherein the bottom plate 1 is horizontally arranged, the roller supporting device 2 comprises a supporting plate 2.1, a roller top plate 2.18 and a driving mechanism, the supporting plate 2.1 is vertically arranged on the bottom plate 1, rollers 5 can be placed on the top of the supporting plate 2.1, the front and back sides of the upper part of the supporting plate 2.1 are respectively provided with the roller top plates 2.18 which are arranged in parallel with the supporting plate, the left and right ends of the front and back sides of the upper part of the supporting plate 2.1 are respectively provided with clamping grooves matched with the roller top plate 2.18, the clamping grooves are vertically arranged, the left and right ends of the roller top plates 2.18 are respectively embedded in the corresponding clamping grooves and are in sliding connection with the clamping grooves, under the action of the driving mechanism, the roller top plate 2.18 can vertically move upwards relative to jack the roller 5 or vertically move downwards to be far away from the rollers, the roller servo top device 3 and the roller cylinder top device 4 are arranged on the left side and the right side of the supporting plate 2.1 at intervals, the roller servo top device 3 comprises a top 3.9, the roller cylinder top device 4 comprises a cylinder extension rod top 4.4, the top 3.9 and the cylinder extension rod top 4.4 are arranged above the supporting plate 2.1 relatively, under the action of a driving device, the top 3.9 and the cylinder extension rod top 4.4 can move horizontally left and right to be close to and to be abutted against the roller 5 or to be far away from the roller 5, the top 3.9 and the cylinder extension rod top 4.4 are abutted against two ends of the roller 5 to prevent the roller 5 from jumping in the machining process, a discharging hole 6 is formed in one end, close to the cylinder fixing plate 4.2, of the top of the supporting plate 2.1, and under the action of the servo motor 3.4, the top 3.9 moves towards the direction close to the roller 5 to push the machined roller 5 to lead out from the discharging hole 6.
As an optional design, preferably, the driving mechanism of the roller supporting device 2 includes a lower connecting rod 2.16, an upper connecting rod 2.17, a gear 2.11 and a rack 2.4, two through holes horizontally penetrating through the supporting plate 2.1 are arranged at the left and right of the middle of the supporting plate 2.1 at intervals, a gear shaft 2.8 is respectively arranged 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 and rotatably connected with the gear 2.11, two ends of each gear shaft 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 each thrust bearing a2.10 are respectively in surface contact with the roller supporting plate 2.1 and the gear 2.11, outer rings of the deep groove ball bearings 2.12 are sleeved in holes at the middle of the four gears 2.11, a thrust bearing B2.13 is sleeved in a groove at the outer side of the gear 2.11, an inner boss of a gland 2.14 is matched with the thrust bearing B2.13, a shaft shoulder of the gland 2.14 is in end face contact with a screw thread of a nut 15, two outermost ends of the gear shaft 2.2.11 are screwed with two outermost sides of the gear shaft, a rack 2.4 meshed with the gear 2.11 is respectively arranged below the gear 2.11, the rack 2.4 is movably connected with the bottom plate 1 through a slide block 2.3 and a guide rail 2.2 which are arranged in a matching way, the front side and the rear side of the lower end of the support plate 2.1 are respectively and fixedly provided with the guide rails 2.2, the slide block 2.3 is assembled on the guide rail 2.2, the rack 2.4 is fixedly arranged above the slide block 2.3, the right ends of the two racks 2.4 are fixedly provided with a rack cylinder fixing plate 2.5, a rack cylinder 2.7 is fixedly arranged above the bottom plate 1 and positioned at the right side of the roller support plate 2.1, a rack cylinder extension bar 2.6 is fixedly connected with the rack cylinder fixing plate 2.5, the gear 2.11 is respectively connected with the lower end of a lower connecting rod 2.16 which is obliquely and upwards arranged, two small screw holes are arranged on the end surface of the gear 2.11, the lower connecting rod 2.16 is fixedly arranged, the upper end of the lower connecting rod 2.16 is hinged with the lower end of an upper connecting rod 2.17 which is reversely and obliquely arranged, the upper end of the upper connecting rod 2.17 is connected with 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 on the upper part of the roller supporting plate 2.1 through a link mechanism of the lower connecting rod 2.16 and the upper connecting rod 2.17, when the roller jacking plate 2.18 jacks to the highest position, the roller jacking plates 2.18 on the front side and the rear side of the supporting plate 2.1 are higher than the upper surface of the roller supporting plate 2.1, the roller 5 on the roller supporting plate 2.1 is jacked to leave the roller supporting plate 2.1, the roller jacking plates 2.18 are 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 scratch.
As an optional design, the roller servo top device 3 preferably comprises a servo motor 3.4, a coupler 3.5, a lead screw 3.6 and a top 3.9, the servo motor 3.4 is fixedly arranged at the right end of a motor base 3.2, the motor base 3.2 is fixedly arranged at the right side above a motor bracket 3.1, the motor bracket 3.1 is fixedly arranged at the right side above a bottom plate 1, a bearing seat 3.3 is sleeved in a hole above the motor bracket 3.1, the right end of the lead screw 3.6 is sleeved in a hole in the middle of the bearing seat 3.3 and is connected with an output shaft of the servo motor 3.4 through the coupler 3.5, a nut 3.7 is sleeved on the lead screw 3.6, the excircle of the nut 3.7 is fixedly sleeved in a nut seat 3.8, the top 3.9 is arranged in a slotted hole below the nut seat 3.8, 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 connecting plate 3.11, the bottom plate 3.11 is fixedly connected with a top support 3.12, and the bottom plate 3.12 is fixedly arranged on the bottom plate 1, the servo motor 3.4 drives the screw rod 3.6 to rotate, so that the nut 3.7 moves left and right, the ejector 3.9 is driven to move left and right in the hole of the linear bearing 3.10, the roller 5 is pushed to enter an arc opening and fine grinding processing station in a stepping mode, and finally the roller 5 is pushed to enter a discharge hole.
As optional design, preferred roller cylinder top device 4 includes cylinder support 4.1, cylinder fixed plate 4.2, cylinder 4.3 and cylinder extension bar top 4.4, cylinder extension bar top 4.4 free end sets up with the free end of top 3.9 relatively, the cylinder extension bar top 4.4 other end is connected with cylinder 4.3 output, cylinder 4.3 sets up at cylinder fixed plate 4.2 top, cylinder fixed plate 4.2 is through vertical cylinder support 4.1 and bottom plate 1 fixed connection that sets up, cylinder 4.3 can promote cylinder extension bar top 4.4 and move to the direction that is close roller 5 and push against roller 5, guarantee that roller 5 does not produce when processing and beat.
The working process of the invention is as follows:
the grinding wheels on the grinding machine matched with the roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine are double grinding wheels, and one grinding wheel is 80 grains and is used for arc opening; 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 opening and fine grinding, the excircle shapes of the double grinding wheel and the double guide wheel are both subjected to shape modification according to the size and the shape required by the process of a roller to be ground, during 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 excircle of the roller and are contacted with the roller, the right end surface of the roller is propped against by a top head 3.9 driven by a servo motor 3.4, the left end surface is propped against by an air cylinder extension rod top head 4.4, so that the roller can be prevented from jumping and being driven by the top head 3.9 to push the roller 5 to an accurate position required by each station, and the double grinding wheel and the double guide wheel are designed to ensure the coaxiality during processing, can avoid secondary clamping and can improve the processing precision and efficiency;
before grinding, a rack cylinder 2.7 is started, a rack cylinder extension rod 2.6 pushes a rack 2.4 to move leftwards to drive a gear 2.11 to rotate clockwise, a roller jacking plate 2.18 is jacked up through a lower connecting rod 2.16 and an upper connecting rod 2.17 connecting rod mechanism, a roller 5 is placed in a groove in the middle of the rightmost end above the two roller jacking plates 2.18, a servo motor 3.4 is started, the servo motor 3.4 drives a lead screw 3.6 to rotate, the lead screw 3.6 drives a jacking head 3.9 to push leftwards, the jacking head 3.9 jacks the right end face of the roller 5, the roller 5 is accurately pushed to a first station, namely an arc opening station, the servo motor 3.4 is stopped, the rack cylinder 2.7 reversely admits air, the rack cylinder extension rod 2.6 drives a rack 2.4 to drive the gear 2.11 to rotate anticlockwise, the roller jacking plate 2.18 is pulled to move downwards through the lower connecting rod 2.16 and the upper connecting rod mechanism to move rightwards, the top of the roller jacking plate 2.18 is lower than the top of a supporting plate 2.1, and the roller 5 falls to the upper end of the roller, opening the cylinder 4.3, and extending the cylinder extension rod ejector head 4.4 rightwards to push against the other end surface of the roller 5;
when the arc is opened, the grinding wheel and the guide wheel start to rotate, 80 grains of grinding wheel and the first guide wheel slowly approach the grinding roller 5, the outer circular surfaces of the 80 grains of 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 arc is opened, 80 grinding wheels, a first guide wheel and a cylinder 4.3 return, a rack cylinder 2.7 is opened, a rack cylinder extension rod 2.6 pushes a rack 2.4 to move leftwards to drive a gear 2.11 to rotate clockwise, a roller jacking plate 2.18 is jacked up through a lower connecting rod 2.16 and an upper connecting rod 2.17 connecting rod mechanism to jack up a roller 5, the roller 5 leaves a roller supporting plate 2.1, a servo motor 3.4 is opened, the servo motor 3.4 continues to drive a jacking head 3.9 to jack up the roller 5 to move leftwards, 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 admits air, the rack cylinder extension rod 2.6 drives the rack 2.4 to move rightwards to drive the gear 2.11 to rotate anticlockwise, the roller jacking plate 2.18 is pulled downwards through a lower connecting rod 2.16 and an upper connecting rod 2.17 connecting rod mechanism to enable the top of the roller jacking plate 2.18 to be lower than the top of the roller supporting plate 2.1, and the roller 5 falls to the upper end of the roller supporting plate 2.1, opening the cylinder 4.3, and extending the cylinder extension rod ejector head 4.4 rightwards to push against the other end surface of the roller 5;
during fine grinding, the 240 grinding wheels and the second guide wheels are slowly close to the grinding roller 5, the outer circular surfaces of the 240 grinding wheels and the second guide wheels are trimmed according to the outer circular shape required by the roller fine grinding, and the roller 5 is ground into the shape and the size required by the fine grinding;
after the fine grinding is finished, 240 grinding wheels, a second guide wheel and a cylinder 4.3 return, a rack cylinder 2.7 is opened, a rack cylinder extension rod 2.6 pushes a rack 2.4 to move leftwards to drive a gear 2.11 to rotate clockwise, a roller jacking plate 2.18 is jacked up through a lower connecting rod 2.16 and an upper connecting rod 2.17 connecting rod mechanism to jack up a roller 5, the roller 5 leaves a roller supporting plate 2.1, a servo motor 3.4 is opened, a servo motor 3.4 drives a jacking head 3.9 to jack up the roller 5 to move leftwards continuously, and the roller enters a discharge port 6 to perform arc opening and fine grinding on the same grinding machine in a stepping mode, so that the machining efficiency is high, the finished product quality is good, and the adjusting, mounting, maintaining and using are convenient.
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 attributes 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, and any reference signs in the claims are not intended to 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 (7)
1. The utility model provides a marching type multistation centerless roller cylindrical grinder roller strutting arrangement which characterized by: the roller servo ejection head device comprises an ejection head, the roller cylinder ejection head device comprises an air cylinder extension rod ejection head, the ejection head and the air cylinder extension rod ejection head are oppositely arranged above the supporting plate, and under the action of the driving device, the top head and the cylinder extension rod top head can horizontally move left and right to approach and push against the roller or move away from the roller.
2. The roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 1, which is characterized in that: the driving mechanism comprises a lower connecting rod, an upper connecting rod, a gear and a rack, two through holes horizontally penetrating through the supporting plate are arranged at the left and the right of the middle part of the supporting plate at intervals, a gear shaft is respectively arranged in each through hole in a penetrating way, the two ends of each gear shaft are respectively and rotatably connected with the gear, racks meshed with the gears are respectively arranged below the gears, 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 each rack is connected with a rack cylinder extension rod of the rack cylinder through a connecting piece, the gears are respectively connected with the lower ends of lower connecting rods which are obliquely and upwards arranged, the upper ends of the lower connecting rods are hinged with the lower ends of upper connecting rods which are reversely and obliquely arranged, the upper ends of the upper connecting rods are hinged with the lower ends of the roller jacking plates, under the action of the rack cylinder, the rack can move left and right and drives the roller jacking plate to vertically move upwards relative to the supporting plate through the gear, the lower connecting rod and the upper connecting rod in sequence so as to jack up or vertically move downwards to be far away from the roller.
3. The roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 1 or 2, which is characterized in that: the servo top device of roller includes servo motor, the shaft coupling, lead screw and top, servo motor passes through the motor frame setting on the bottom plate, servo motor's output passes through the shaft coupling and is connected with the one end of lead screw, the nut seat upper portion at vertical setting is worn to establish by the nut of threaded connection by the other end of lead screw, wear to establish the top that the level set up in the lower part of nut seat, the free end of top extends towards the direction that is close to the roller, under servo motor's effect, the lead screw can move about the top through the nut seat drives and is close or keep away from the roller.
4. The roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 3, which is characterized in that: roller cylinder top device includes cylinder support, cylinder fixed plate, cylinder and cylinder extension bar top, and cylinder extension bar top free end sets up with the free end of top relatively, and the cylinder extension bar top other end is connected with the cylinder output, and the cylinder setting is at cylinder fixed plate top, and the cylinder fixed plate is through the cylinder support and the bottom plate fixed connection of vertical setting, and the cylinder can promote the cylinder extension bar top and move to the direction that is close the roller and withhold the roller.
5. The roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 3, which is characterized in that: the middle part of the ejector head is sleeved with a linear bearing, the linear bearing is arranged on the upper part of an ejector rod connecting plate, and the lower part of the ejector rod connecting plate is connected with the upper end of an ejector rod bracket arranged on a bottom plate.
6. The roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 3, which is characterized in that: the left end and the right end of the front side and the rear side 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.
7. The roller supporting device of the stepping multi-station centerless roller cylindrical grinding machine according to claim 3, which is characterized in that: one end of the top of the supporting plate close to the cylinder fixing plate is provided with a discharge hole, and under the action of the servo motor, the ejector head moves towards the direction close to the roller to push the processed roller to be led out from the discharge hole.
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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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| 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 (en) | 2024-03-22 |
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