CN106002505A - Synchromesh spiral grinding wheel grinding device and method for automatic tool compensation - Google Patents
Synchromesh spiral grinding wheel grinding device and method for automatic tool compensation Download PDFInfo
- Publication number
- CN106002505A CN106002505A CN201610541091.9A CN201610541091A CN106002505A CN 106002505 A CN106002505 A CN 106002505A CN 201610541091 A CN201610541091 A CN 201610541091A CN 106002505 A CN106002505 A CN 106002505A
- Authority
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- China
- Prior art keywords
- base
- spiral
- emery wheel
- synchro
- wheel
- 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.)
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Classifications
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
-
- 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
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
- B24B3/48—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of razor blades or razors
-
- 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
-
- 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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a synchromesh spiral grinding wheel grinding device and method for automatic tool compensation. The synchromesh spiral grinding wheel grinding device comprises a machine frame. The machine frame is provided with an obliquely-arranged first base, a first spiral grinding wheel installed on the first base, a second base inclining in the reverse direction relative to the first base, a second spiral grinding wheel installed on the second base and synchronously engaged with the first spiral grinding wheel, and a clamp located between the first base and the second base and used for fixing a tool. The first base and the second base are each provided with a feeding mechanism for regulating spiral grinding wheel feeding. A regulation mechanism for regulating the inclination angles of the first base and the second base to control the grinding angles of the grinding wheels is arranged on the machine frame. The first base and the second base are each provided with a servo motor used for driving the corresponding spiral grinding wheel. Each servo motor is controlled by a servo driver connected with the servo motor. The synchromesh spiral grinding wheel grinding device and method solve the problem that the center distance of main shafts cannot be changed through traditional synchronous output, a grinding wheel overload protection system is added, and safety of the device is greatly improved.
Description
Technical field
The present invention relates to cutter wheel grinding technology, especially relate to the synchronization that a kind of automatic tool compensates
Meshing spiral wheel grinding apparatus and method.
Background technology
The blade with one or more cutting edge such as blade of carving knife, razor blade, cleaning blade, is giving birth to
Produce and essential in life, and market demand is the biggest.But the quality of domestic inmserts carries always
Whether go up go, high-end market always by foreign brand name in occupation of, such as Japan island, field instrument.Produce
High-quality blade is imperative, and this also proposes the highest requirement to equipment and process.
The method of existing wheel grinding is roughly divided into unilateral parallel grinding wheel group grinding, bilateral engages parallel sand
Wheels grinding, unilateral spiral wheel grinding and mechanical type bilateral spiral emery wheel synchro-meshing grinding.
Unilateral parallel grinding wheel group, including two parallel grinding wheels being arranged on main shaft 102 101, i.e. with one
After group flat-faced wheel is overlapped mutually installation, the method that blade side is carried out grinding.The method
Shortcoming: blade cutting edge side stress, cutting edge meeting stress and deformation during grinding, the size essence after grinding edge
Spending the highest, surface roughness is the highest.
Bilateral engagement parallel grinding wheel group grinding, as it is shown in figure 1, include that two are arranged on main shaft 102
Parallel grinding wheel 101, is i.e. carried out blade cutting edge by the parallel grinding wheel group that a pair rotating speed equidirectional is contrary
Grinding.The shortcoming of the method: cutting edge bilateral stress, the impact of stress deformation is than unilateral parallel grinding wheel group
Little, but still can there is the situation of unilateral stress in the gap location engaged at emery wheel.Blade dimensions essence
Spending more unilateral parallel grinding wheel group to get well, but precision controlling is the highest, surface roughness is preferable.
Unilateral spiral wheel grinding.Spiral emery wheel is to grind at a high speed relative to the great advantage of parallel grinding wheel group
All the time there is wheel grinding cutting edge when cutting, do not have the interval grinding situation of parallel grinding wheel group.So table
Fineness relatively parallel grinding wheel group in face to be got well.Shortcoming is the feelings that unilateral grinding still exists cutting edge one side stress
Condition, the control accuracy of size is the highest.
Mechanical type bilateral spiral emery wheel synchro-meshing grinding, as shown in Figures 2 and 3, including two installations
Spiral emery wheel 201 on main shaft, motor 1 inputs as power, by belt wheel 2, belt 3, belt wheel
4 transmission power are to gear-box 5.Gear-box 5 exports a pair speed power identical, in opposite direction, logical
Cross belt wheel 7, belt 6 imparts power to emery wheel 8.
The shortcoming of above-mentioned mechanical type bilateral spiral emery wheel synchro-meshing grinding mechanism is as follows:
(1) this device controls to synchronize mechanically, safe and reliable；But shortcoming it is also obvious that
I.e. can not carry out compensation of grinding wheel；Because the centre-to-centre spacing change of two emery wheels, frame for movement certainly will be caused
Change, the kinestate of emery wheel will change.
(2) this device synchronized is realized by gear-box, there is also that Gear-box Noise is big, vibration is big,
The shortcomings such as caloric value is big, and along with grinding wheel speed, the increase of wheel grinding amount, noise and vibration
Become apparent from now.
(3) when gear-box 5 or drive mechanism 7 break down, emery wheel 8 collides with each other breakage.
Summary of the invention
For problems of the prior art, the invention provides the synchronization that a kind of automatic tool compensates
Meshing spiral wheel grinding device and method, utilizes electrical control to combine machine driving, it is achieved that device
Electromechanical integration upgrading, not only solve conventional synchronization output can not change asking of principal axis centre distance
Topic, and reduce mechanical vibration and the noise of device, and add emery wheel overload protective device,
Greatly improve the safety of equipment.
The concrete technical scheme of the present invention is as follows:
The synchro-meshing spiral wheel grinding device that a kind of automatic tool compensates, including frame, described
Frame is provided with: the first base being in tilted layout, the first spiral emery wheel being arranged on the first base,
Second base of relative first base reversed dip, be arranged on the second base and with the first spiral emery wheel
Second spiral emery wheel of synchro-meshing, and between the first base and the second base and be used for fixing cutter
The fixture of tool；
The feed mechanism of adjustable screw emery wheel feeding it is equipped with on the first described base and the second base；
Described frame is provided with the angle of inclination of regulation the first base and the second base to control emery wheel
The governor motion of grinding angle；
The servo electricity for driving spiral emery wheel it is equipped with on the first described base and the second mounting seat
Machine, each servomotor is controlled by the servo-driver being attached thereto.
The present invention uses two methods using the engagement of spiral emery wheel bilateral to synchronize grinding, improves blade
The dimensional accuracy of cutting edge and surface smoothness, and in grinding process, utilize servo-driver to control two
Individual spiral emery wheel synchro-meshing runs, and controls the emery wheel grinding angle to cutting edge roundness by governor motion
Degree, utilizes feed mechanism adjustable screw emery wheel feeding, it is achieved the automatic compensation after abrasion of grinding wheel.
As preferably, the first described base and the second base being provided with sliding seat, described enters
Include the feeding motor being fixed on base to mechanism, described feeding motor is driven by screw body
Described sliding seat also drives spiral emery wheel feeding.
As preferably, described first base and the second base arrange dovetail chute, bottom sliding seat
Being provided with the dovetail slide block matched with dovetail chute, dovetail slide block is slidably arranged in dovetail chute, profit
In the control accuracy promoting feeding.
As preferably, described first base and the second base are transferred in frame near the side of fixture
On, supported by described governor motion between relative opposite side and frame, by changing regulation machine
The bearing height of structure, it is achieved the angle of inclination regulation of the first base and the second base, to drive regulation cutter
The grinding angle of sheet cutting edge.
As preferably, described governor motion includes fixing the swivel nut being connected with frame, and inside is provided with
The screw rod matched；The top of screw rod props up base, and bottom is provided with rotating disk.
As preferably, described servo-driver is connected to a PLC, and described PLC is controlled
Being provided with the first comparator in device processed, described sync comparator is for judging the driving of two servomotors
Electric current is the most identical.
In the present invention, for preventing emery wheel collision at high speeds, it is necessary to keep two spiral emery wheels to synchronize
Engagement runs, especially by the driving electric current of corresponding two servomotors of control, to keep with equal merit
Rate is run, if the driving electric current of two servomotors is different, PLC is stopped by servo-driver
The only operation of servomotor, it is to avoid emery wheel collides.
As preferably, in described PLC, it is provided with the second comparator, for judging that two are watched
Whether take motor drives electric current less than the threshold value set.
The present invention also sets up overload protection, i.e. when emergency case occur (such as synchronous pulley lost efficacy,
Foreign material enter inside emery wheel), this is the loading moment increase of grinding wheel spindle, and system can stop work at once
Make, be effectively prevented emery wheel and collide at high speeds, cause security incident.Specifically, operationally lead to
Cross and judge whether the driving electric current of servomotor is less than the threshold value set, if driving electric current to increase suddenly,
Represent that the loading moment of grinding wheel spindle increases, now should control emery wheel and quit work.
Present invention also offers and a kind of utilize synchro-meshing spiral wheel grinding device in claim 7
Method, including:
Governor motion is utilized to regulate the angle of inclination of the first base and the second base to control emery wheel to cutter
The grinding angle of tool cutting edge；
The spiral emery wheel utilizing feed mechanism to control on the first base and the second base slides, for emery wheel
Feed compensation after abrasion；
Utilize servo-driver and PLC, keep the difference driving electric current of two servomotors
It is in reasonable interval, controls the synchro-meshing campaign of two spiral emery wheels；
Utilize servo-driver and PLC, control the driving electric current of two servomotors less than setting
Fixed threshold value, it is to avoid two motor overloads run.
Beneficial effects of the present invention is as follows:
(1) frame for movement is become machinery+electrical control from traditional mechanical transmission structure, and raising finishes
The flexibility of structure；
(2) utilize feed mechanism control emery wheel auto-feed compensate, with solve traditional structure cannot be real
Existing emery wheel feed function；
(3) spiral wheel grinding is than parallel grinding wheel grinding, it is ensured that preferably machining accuracy and table
Face fineness.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing bilateral engagement parallel grinding wheel group grinding；
Fig. 2 is the structural representation of existing machinery formula bilateral spiral emery wheel synchro-meshing grinding；
Fig. 3 is the driving structure chart of existing machinery formula bilateral spiral emery wheel synchro-meshing grinding；
Fig. 4 is spiral grinding wheel structure figure in the present invention；Wherein, a figure is external structure；B figure is
End view；C figure be A-A to sectional view；
Fig. 5 is the structure chart of synchro-meshing spiral wheel grinding device in the present invention；
Fig. 6 is the servo-control system figure of synchro-meshing spiral wheel grinding device in the present invention.
Detailed description of the invention
Synchro-meshing spiral wheel grinding device as shown in Fig. 4～Fig. 6, including frame, in frame
It is provided with: the first base 512 being in tilted layout, the first spiral emery wheel being arranged on the first base 512
507, the second base 510 of relative first base 512 reversed dip, it is arranged on the second base 510
Upper and the second spiral emery wheel 508 with the first spiral emery wheel 507 synchro-meshing, and it is positioned at the first base
512 and second between base 510 and for the fixture 511 of fixed cutting tool.
In the present embodiment, the structure of spiral emery wheel as in Fig. 4 a, b, c scheme shown in, the first spiral
Emery wheel 507 and the second spiral emery wheel 508 are arranged on the both sides of cutter, use two to use spiral emery wheel
The method that bilateral engagement synchronizes grinding, improves dimensional accuracy and the surface smoothness of blade cutting edge.
The feed mechanism of adjustable screw emery wheel feeding it is equipped with on first base 512 and the second base 510
504, it addition, be provided with sliding seat 505, feed mechanism 504 on the first base 512 and the second base 510
Including the feeding motor 514 being fixed on two bases, this feeding motor 514 is driven by screw body
Sliding seat 505 also drives spiral emery wheel feeding, it is achieved the automatic compensation after abrasion of grinding wheel.Wherein,
On one base 512 and the second base 510, dovetail chute is set, is provided with sliding with dovetail bottom sliding seat 505
The dovetail slide block 503 that groove matches, dovetail slide block 503 slides in dovetail chute, so that sliding seat
505 drive spiral emery wheel feeding.
Frame is provided with the angle of inclination of regulation the first base 512 and the second base 510 to control emery wheel
The governor motion 502 of grinding angle；Specifically, the first base 512 and the second base 510 are near fixture
Transferring in frame in the side of 511, relative opposite side passes through governor motion 502 between frame
Support, by changing the bearing height of governor motion 502, it is achieved the first base 512 and the second base 510
Angle of inclination regulation, with drive regulation blade cutting edge grinding angle.
In the present embodiment, governor motion 502 includes fixing the swivel nut 513 being connected with frame, and inside is provided with
The screw rod matched, the top of screw rod props up the base of correspondence, and bottom is provided with rotating disk 501, rotates and turns
Dish 501 is with the adjusting screw rod bearing height to base.
As shown in Figure 5 and Figure 6, the first base 512 and the second base 510 are equipped with for driving spiral
First servomotor 506 and the second servomotor 509 of emery wheel, the most corresponding one of each servomotor
Servo-driver, two servo-drivers are connected to a PLC.
In the present embodiment, in PLC, it is provided with the first comparator, for judging two servomotors
Driving electric current the most identical.The second comparator it is additionally provided with, for judging that two are watched in PLC
Whether take motor drives electric current less than the threshold value set.
The first comparator is utilized to control the driving electric current of corresponding two servomotors, to keep with equal merit
Rate is run, it is achieved the synchro-meshing of two spiral emery wheels runs, if the driving electric current of two servomotors
Difference, PLC stops the operation of servomotor by servo-driver, it is to avoid emery wheel collides.
The present embodiment also sets up overload protection, i.e. when emergency case occur (such as synchronous pulley lost efficacy,
Foreign material enter inside emery wheel), this is the loading moment increase of grinding wheel spindle, and system can stop work at once
Make, be effectively prevented emery wheel and collide at high speeds, cause security incident.Specifically, operationally lead to
Cross second and judge whether the driving electric current of servomotor is less than the threshold value set, if driving electric current to increase suddenly
Greatly, represent that the loading moment of grinding wheel spindle increases, now should control emery wheel and quit work.
In the present embodiment, in servo-control system, it is provided with power-off protection, occurs during operation leading
Cause during the situation of damage or danger, to automatically cut off the power supply function ensureing equipment safety out of service.
The foregoing is only the preferable implementation example of the present invention, be not limited to the present invention, all at this
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in
Within protection scope of the present invention.
Claims (8)
1. the synchro-meshing spiral wheel grinding device that an automatic tool compensates, it is characterised in that
Including frame, described frame is provided with: the first base being in tilted layout, and is arranged on the first base
The first spiral emery wheel, the second base of relative first base reversed dip, be arranged on the second base
And with the second spiral emery wheel of the first spiral emery wheel synchro-meshing, and be positioned at the first base and the second base
Between and for the fixture of fixed cutting tool；
The feed mechanism of adjustable screw emery wheel feeding it is equipped with on the first described base and the second base；
Described frame is provided with the angle of inclination of regulation the first base and the second base to control emery wheel
The governor motion of grinding angle；
The servo electricity for driving spiral emery wheel it is equipped with on the first described base and the second mounting seat
Machine, each servomotor is controlled by the servo-driver being attached thereto.
2. synchro-meshing spiral wheel grinding device as claimed in claim 1, it is characterised in that institute
Being provided with sliding seat on the first base stated and the second base, described feed mechanism includes being fixed on two
Feeding motor on individual base, described feeding motor by screw body drive described in sliding seat also
Drive spiral emery wheel feeding.
3. synchro-meshing spiral wheel grinding device as claimed in claim 2, it is characterised in that institute
State and on the first base and the second base, dovetail chute is set, be provided with bottom sliding seat and match with dovetail chute
The dovetail slide block closed.
4. the synchro-meshing spiral wheel grinding device as described in claim 1 or 3, it is characterised in that
Described first base and the second base are transferred in frame near the side of fixture, relative opposite side with
Supported by described governor motion between frame.
5. synchro-meshing spiral wheel grinding device as claimed in claim 4, it is characterised in that institute
The governor motion stated includes fixing the swivel nut being connected with frame, and inside is provided with the screw rod matched；Screw rod
Top prop up base, bottom is provided with rotating disk.
6. synchro-meshing spiral wheel grinding device as claimed in claim 1, it is characterised in that institute
The servo-driver stated is connected to a PLC, is provided with first and compares in described PLC
Device, for judging that the driving electric current of two servomotors is the most identical.
7. synchro-meshing spiral wheel grinding device as claimed in claim 6, it is characterised in that institute
The second comparator it is provided with, for judging that the driving electric current of two servomotors is in the PLC stated
No less than the threshold value set.
8. utilize a method for synchro-meshing spiral wheel grinding device, its feature in claim 7
It is, including:
Governor motion is utilized to regulate the angle of inclination of the first base and the second base to control emery wheel to cutter
The grinding angle of tool cutting edge；
The spiral emery wheel utilizing feed mechanism to control on the first base and the second base slides, for emery wheel
Feed compensation after abrasion；
Utilize servo-driver and PLC, keep the difference driving electric current of two servomotors
It is in reasonable interval, controls the synchro-meshing campaign of two spiral emery wheels；
Utilize servo-driver and PLC, control the driving electric current of two servomotors less than setting
Fixed threshold value, it is to avoid two motor overloads run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541091.9A CN106002505A (en) | 2016-07-07 | 2016-07-07 | Synchromesh spiral grinding wheel grinding device and method for automatic tool compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541091.9A CN106002505A (en) | 2016-07-07 | 2016-07-07 | Synchromesh spiral grinding wheel grinding device and method for automatic tool compensation |
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| Publication Number | Publication Date |
|---|---|
| CN106002505A true CN106002505A (en) | 2016-10-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610541091.9A Pending CN106002505A (en) | 2016-07-07 | 2016-07-07 | Synchromesh spiral grinding wheel grinding device and method for automatic tool compensation |
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| CN (1) | CN106002505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431110A (en) * | 2022-11-08 | 2022-12-06 | 江苏威泽智能科技股份有限公司 | Blade grinding machine tool |
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Application publication date: 20161012 |
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