CN107900853B - The automatic sharpening equipment of tungsten needle - Google Patents
The automatic sharpening equipment of tungsten needle Download PDFInfo
- Publication number
- CN107900853B CN107900853B CN201711195794.1A CN201711195794A CN107900853B CN 107900853 B CN107900853 B CN 107900853B CN 201711195794 A CN201711195794 A CN 201711195794A CN 107900853 B CN107900853 B CN 107900853B
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- cylinder
- grinding wheel
- guide rod
- belt guide
- fixedly connected
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 68
- 239000010937 tungsten Substances 0.000 title claims abstract description 68
- 239000004576 sand Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 241000237970 Conus <genus> Species 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 208000034888 Needle issue Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- 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
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to weld consumptive material maintenance maintenance equipment technical field, it is related to a kind of tungsten needle maintenance maintenance equipment, more particularly to a kind of automatic sharpening equipment of tungsten needle, tungsten needle is held tightly using the inner cylinder that internal conical surface and one end are split into pintongs and to driving, it is rotated by motor-gear, pressure air is introduced rotary cylinder using rotary joint, using two high-speed rotating grinding wheels at 50 degree of angles slowly close to tungsten needle.Compared to artificial, energy automatic grinding tungsten needle of the present invention, the coning angle size ground are accurate, it is 50 degree of coning angle of cone of standard, tungsten needle is only by force couple role, without curved power, it can effectively avoid bent or brittle failure, efficiency is relatively high, and personnel station operates other than safe distance, smaller to the risk of human body, abrasion of grinding wheel is more uniform, and the service life of grinding wheel is longer.
Description
Technical field
The invention belongs to weld consumptive material maintenance maintenance equipment technical field, it is related to a kind of tungsten needle maintenance maintenance equipment, specifically
It is related to a kind of automatic sharpening equipment of tungsten needle.
Background technique
The tungsten needle that argon arc welding uses needs one end sharpening before using, and the tungsten needle being ground includes conus portion and straight-bar portion two
Part, the cone angle of conus portion are 50 degree.
Tungsten needle is typically now manually held close to high-speed rotating wheel grinding, holds angle and stock removal by rule of thumb,
It is rotated while grinding.The shape of the tungsten needle conus portion ground is it is difficult to ensure that consistent, and especially angle is it is difficult to ensure that consistent.Single side
Grinding may result in that tungsten needle bent or brittle failure, the efficiency that is not ground tightly by grinding wheel are again too low by grinding wheel is too tight.Artificial mill
The hand of people, face are closer from grinding position when cutting, and sand grains, grinding wheel fragment or the tungsten needle to break to fall off is possible to be splashed to people
Hand or face, risk is also bigger.Chinese utility model patent CN 206357001U discloses a kind of drill bit blade and beats
Mill apparatus, and specifically disclose (referring to 12-14 sections of specification, attached drawing 1-2): device noumenon, two mills at an angle to each other,
And two mill formed mutually it is identical as drill bit knife edge angular, to realize the automatic grinding in drill bit both direction.But it is operating
Worker must stand in the process operates on hand, and risk is also bigger.Chinese utility model patent CN 202646202U discloses one
The formation control device of kind concrete pumping equipment, serial oil cylinders, and specifically disclose the rodless cavity and the second oil of the first oil cylinder
The rodless cavity of cylinder is connected, and the rod chamber of the first oil cylinder is connected with the rod chamber of the second oil cylinder.This structure can be used for reference to use
In driving two grinding wheel Collaborative Controls, alternately move, the problem of being also reduced worker's risk, there is presently no people do it is relevant
Research.
Summary of the invention
It is an object of the invention in place of improving the deficiencies in the prior art, provide it is a kind of can automatic grinding tungsten needle, grinding ruler
It is very little precisely, effectively to avoid bent or the automatic sharpening equipment of the tungsten needle of brittle failure, highly effective and safe.
The present invention is achieved through the following technical solutions:
A kind of automatic sharpening equipment of tungsten needle, including rotary cylinder component, grinding wheel component, slow lifting belt guide rod cylinder, fast liter
Drop band guide rod cylinder, rack and slow-speed driving portion；
Slow-speed driving portion includes slow rotating electric machine and driving gear, and the housing flange and rack of slow rotating electric machine are fixed to be connected
It connects, driving gear is fixedly connected with the output shaft of slow rotating electric machine；
Rotary cylinder component includes driven gear, rotary joint, pipeline I, hose II；Bent sub, rotary cylinder, sleeve and
Inner cylinder；Rotary cylinder is the single-acting cylinder by spring reset, and rotary cylinder includes rotary cylinder cylinder body and rotary cylinder piston rod,
In its natural state in rotary cylinder piston rod retraction rotary cylinder cylinder body；Rotary cylinder piston rod is direction downwards；
Sleeve includes tubular structure and flange, and flange has a barrel bore in the upper end of tubular structure, tubular structure, under tubular structure
There is internal conical surface at end, and the diameter of the lower mouth of internal conical surface is small, and the diameter on internal conical surface top is bigger；Sleeve passes through flange and rotation
Rotaring cylinder cylinder body rod end directed downwardly is fixedly connected；Tubular structure is fixedly connected by revolute pair with rack；Rotary cylinder cylinder body
Rear end upward is fixedly connected with driven gear, and driven gear is engaged with driving gear, and slow rotating electric machine, which is powered, to be rotated, and is passed through
The combination of driving gear-driven gear drives rotary cylinder slow rotation；Inner cylinder is cylinder barrel shaped, and there is interior tube inner chamber in inside, interior
The one end of cylinder upward is fixedly connected with rotary cylinder piston rod end directed downwardly, and inner cylinder one end directed downwardly is axially split into four
Divide valve；Inner cylinder is located at the inside of barrel bore；Rotary joint includes fixed part and rotating part two parts, fixed part and rotating part
Gas circuit is connected and can relatively rotate, and rotating part is fixedly connected with the centre of driven gear, the axial line of rotating part and by
The axial line of moving gear is overlapped, and one end of pipeline I is connected to fixed part, and the other end of pipeline I is fixedly connected with rack, fixed part
As rack is fixed, rotating part is with driven gear slow rotation；One end of bent sub and the fixed company of rotary cylinder cylinder body
It connects and is connected to the rodless cavity of rotary cylinder, the other end of bent sub is connected to by hose II with the rotating part of rotary joint；
Grinding wheel component includes that left grinding wheel component, right grinding wheel component, grinding wheel move cylinder and crane slowly；Left grinding wheel component includes
Left grinding wheel motor, left grinding wheel, left grinding wheel belt guide rod cylinder and cylinder motor left connection board, the cylinder body of left grinding wheel belt guide rod cylinder with
Crane is fixedly connected, and the piston-rod end of left grinding wheel belt guide rod cylinder is fixedly connected with cylinder motor left connection board, left grinding wheel
The housing flange of motor is fixedly connected with cylinder motor left connection board, and left grinding wheel is fixedly connected with the output shaft of left grinding wheel motor；
Left grinding wheel motor drives left grinding wheel high speed rotation；The piston rod movement direction of left grinding wheel belt guide rod cylinder and left grinding wheel motor it is defeated
Shaft direction of axis line is parallel；Right grinding wheel component includes right grinding wheel motor, right grinding wheel, right grinding wheel belt guide rod cylinder and cylinder motor
The cylinder body of right connection board, right grinding wheel belt guide rod cylinder is fixedly connected with crane, the piston-rod end of right grinding wheel belt guide rod cylinder
It is fixedly connected with cylinder motor right connection board, the housing flange of right grinding wheel motor is fixedly connected with cylinder motor right connection board, right
Grinding wheel is fixedly connected with the output shaft of right grinding wheel motor；Right grinding wheel motor drives right grinding wheel high speed rotation；Right grinding wheel belt guide rod gas
The piston rod movement direction of cylinder and the output shaft direction of axis line of right grinding wheel motor are parallel；The axial line and vertical direction of left grinding wheel
At 25 degree of angles, the direction of the piston rod of left grinding wheel belt guide rod cylinder is to tilt downward, the axial line and vertical direction of right grinding wheel
At 25 degree of angles, the direction of the piston rod of right grinding wheel belt guide rod cylinder is to tilt downward, the axial line of left grinding wheel and right grinding wheel
Axial line is at 50 degree of angles；The left cylinder rodless cavity interface of left grinding wheel belt guide rod cylinder is in more top position, left grinding wheel belt
The left cylinder rod chamber interface of guide rod cylinder is comparing position on the lower；The right cylinder rodless cavity interface of right grinding wheel belt guide rod cylinder
In more top position, the right cylinder rod chamber interface of right grinding wheel belt guide rod cylinder is comparing position on the lower；Left cylinder without
Rod cavity interface is connect with right cylinder rodless cavity interface by pipeline III, left cylinder rod chamber interface and right cylinder rod chamber interface
It is connected by pipeline IV；The rod chamber and rodless cavity of left grinding wheel belt guide rod cylinder and the rod chamber and nothing of right grinding wheel belt guide rod cylinder
Compressed air is filled in rod cavity；The cylinder body that grinding wheel moves cylinder slowly is connected with crane, and the piston rod that grinding wheel moves cylinder slowly is gentle
The connection of cylinder motor right connection board, the piston rod that grinding wheel moves cylinder slowly is parallel with the piston rod of right grinding wheel belt guide rod cylinder, and grinding wheel is slow
Move cylinder be passed through compressed air it is flexible when, drive the piston rod alternating translational of right grinding wheel belt guide rod cylinder；
The piston-rod end of slow lifting belt guide rod cylinder is fixedly connected with crane, the cylinder body tail of slow lifting belt guide rod cylinder
End is fixedly connected with the cylinder body tail end of fast lifting belt guide rod cylinder, and the piston-rod end and rack of fast lifting belt guide rod cylinder are fixed
Connection.
The above refers to the group of a kind of widely used in industrial automation cylinder and guide frame with guide rod cylinder
Zoarium, cylinder include cylinder block and piston rod, and guide frame refers to the assembly of guide rod and guide sleeve, the axial line and piston of guide rod
The direction of bar center line is parallel, and guide rod is fixedly connected with piston rod, and guide rod cylinder has the stronger ability for bearing cross force, and
Piston rod can only be translated relative to cylinder body to be rotated.
Application method of the invention is as described below.
1) tungsten needle to be ground is inserted into from the lower mouth of internal conical surface from bottom to top, is inserted into inner cylinder, in internal conical surface
Lower mouth outside expose length appropriate.
2) pipeline I connects gas source, and compressed air passes sequentially through the rotation of pipeline I, the fixed part of rotary joint, rotary joint
Portion, hose II, bent sub reach the rodless cavity of rotary cylinder, compressed air-driven piston and piston rod overcome the elastic force of spring to
Lower translation, while inner cylinder being driven to translate downwards, flexible deformation occurs for four points of valves to centerline direction after touching internal conical surface
It embraces, until tungsten needle to be ground is tightly embraced and maintains this state, at this moment rotary cylinder cylinder body, rotary cylinder are living
Stopper rod, sleeve, inner cylinder and tungsten needle to be ground have connected into an entirety, and mutual alignment is not moved.
3) fast lifting belt guide rod cylinder connects gas source, and the piston rod of fast lifting belt guide rod cylinder is with 0.3 to 0.8 meter per second
Fast speed gives rise to left grinding wheel and right grinding wheel the position closer from tungsten needle.
4) start slow rotating electric machine, left grinding wheel motor, right grinding wheel motor, grinding wheel moves cylinder and slow lifting belt guide rod slowly simultaneously
Cylinder, following steps carry out simultaneously.
A) slow rotating electric machine by driving gear-driven gear combination driving rotary cylinder component with very slow 0.5 to
1.5 revs/min of speed is rotated around revolute pair, then also drives tungsten needle with the rotation of this speed.Rotating part, the hose of rotary joint
II, bent sub are rotated with rotary cylinder cylinder body together, and fixed part, the pipeline I of rotary joint do not turn then, and compressed air still can
It transmits pressure in the rodless cavity of rotary cylinder, four points of valves keep the state for tightly embracing tungsten needle.
B) left grinding wheel motor drives left grinding wheel with 1500 to 3000 revs/min of high speed rotation, while right grinding wheel motor drives
Right grinding wheel is moved also with same high speed rotation, and direction of rotation is identical in a top view, i.e., is all to rotate clockwise or is all inverse
Hour hands rotation, is ground neighbouring tungsten needle.
C) slow lifting belt guide rod cylinder lifts grinding wheel component with the jogging speed of 0.1 to 0.3 mm/min straight up, then
Left grinding wheel and right grinding wheel are close to tungsten needle to be ground at a slow speed.
D) grinding wheel moves cylinder slowly and did periodical stretching motion with 10 to 30 seconds for the period.When grinding wheel moves the piston rod of cylinder slowly
When stretching, pusher cylinder motor right connection board, the piston rod of right grinding wheel belt guide rod cylinder, right grinding wheel motor and the high-speed rotating right side
The entirety of grinding wheel composition translates obliquely along the direction of the piston rod of right grinding wheel belt guide rod cylinder；The nothing of right grinding wheel belt guide rod cylinder
Compressed air in rod cavity, which is squeezed, flows to a left side by right cylinder rodless cavity interface, pipeline III and left cylinder rodless cavity interface
The rodless cavity of grinding wheel belt guide rod cylinder, the then piston and piston rod and cylinder of the left grinding wheel belt guide rod cylinder of compressed air-driven
Motor left connection board, left grinding wheel motor and high-speed rotating left grinding wheel translate obliquely, the left grinding wheel belt guide rod cylinder of piston press
Rod chamber in compressed air right grinding wheel belt is flowed to by left cylinder rod chamber interface, pipeline IV and right cylinder rod chamber interface
The rod chamber of guide rod cylinder.When the piston rod that grinding wheel moves cylinder slowly retracts, cylinder motor right connection board, right grinding wheel belt is pulled to lead
The whole piston along right grinding wheel belt guide rod cylinder of the piston rod of bar cylinder, right grinding wheel motor and high-speed rotating right grinding wheel composition
The direction of bar translates obliquely；Compressed air in the rod chamber of right grinding wheel belt guide rod cylinder, which is squeezed, has bar by right cylinder
Chamber interface, pipeline IV and left cylinder rod chamber interface flow to the rod chamber of left grinding wheel belt guide rod cylinder, drive left grinding wheel belt guide rod
The piston of cylinder translates obliquely, drives piston rod, the cylinder motor left connection board, left grinding wheel motor of left grinding wheel belt guide rod cylinder
It is translated obliquely with high-speed rotating left grinding wheel, the air that the piston of left grinding wheel belt guide rod cylinder is squeezed again in rodless cavity passes through a left side
Cylinder rodless cavity interface, pipeline III and right cylinder rodless cavity interface flow to the rodless cavity of right grinding wheel belt guide rod cylinder.I.e. when left sand
When wheel is translated towards oblique lower section, right grinding wheel is translated towards oblique top, and when left grinding wheel is translated towards oblique top, right grinding wheel is towards oblique
Lower section translation, the two can always mutually stagger and not collide, the two only one grinding tungsten needle cone.Left grinding wheel and right grinding wheel
For the torque of the friction generation applied when being ground tungsten needle to tungsten needle towards the same direction, i.e., observing in a top view is all up time
Needle direction is all counter clockwise direction, and what tungsten needle was subject to is the couple that the two is combined, and in diametrical direction, it is left
The extruding force that grinding wheel and right grinding wheel are generated close to tungsten needle is equal in magnitude, contrary, and two power are cancelled out each other, thus tungsten needle only by
To a force couple role, without moment of flexure, tungsten needle is not allowed pliable, will not more fracture.
5) meet the cone of requirement until tungsten needle is ground, slow lifting belt guide rod cylinder reversely connects gas source, flat downwards
It moves, grinding wheel moves cylinder slowly and stops air supply source, and left grinding wheel motor and right grinding wheel motor cut off the power and stop operating.
6) slow rotating electric machine is cut off the power, and then fast lifting belt guide rod cylinder reversely connects gas source, drives grinding wheel component fast
Speed decline.
7) pipeline I cuts off gas source, and the compressed air in rotary cylinder rodless cavity successively passes through bent sub, hose II, rotation
Connector and pipeline I are released, and rotary cylinder piston rod rises under the elastic force effect of spring, while inner cylinder being driven to rise, and four points
Valve restores elastic deformation to the direction dispersion far from center line after leaving internal conical surface, and tungsten needle falls off, and at this moment manually takes out tungsten needle,
Automatic grinding tungsten needle is achieved the purpose that.
Beneficial effects of the present invention: can automatic grinding tungsten needle；Compared to artificial, it is standard that the coning angle size ground is accurate
50 degree of coning angle of cone, tungsten needle is only by force couple role, without curved power, can effectively avoid bent or brittle failure, efficiency
Relatively high, personnel station operates other than safe distance, and smaller to the risk of human body, abrasion of grinding wheel is more uniform, and grinding wheel makes
With lasting a long time.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of the embodiment of the present invention, the situation before the fast lifting of lifting belt guide rod cylinder 4；
Fig. 2 is the front view of the embodiment of the present invention, the situation after the fast lifting of lifting belt guide rod cylinder 4；
Fig. 3 is the partial enlarged view in Fig. 2 at I；
Fig. 4 is the fragmentary sectional elevation view of rotary cylinder component 1, and pipeline I connects the situation after gas source；
Fig. 5 is the fragmentary sectional elevation view of rotary cylinder component 1, and pipeline I connects the situation before gas source；
Fig. 6 is the B direction view in Fig. 4；
Fig. 7 is the C direction view in Fig. 4；
Fig. 8 is the three-dimensional structure partial schematic sectional view of sleeve 15；
Fig. 9 is the three-dimensional structure partial schematic sectional view of inner cylinder 17；
Figure 10 is the three dimensional structure diagram of grinding wheel component 2；
Figure 11 is the air circuit connection figure of left grinding wheel belt guide rod cylinder 213 and right grinding wheel belt guide rod cylinder 223；
Figure 12 is the front view for the tungsten needle 6 that grinding is completed；
It is as shown in the figure: 1. rotary cylinder components；12. driven gear；131. fixed part；132. rotating part；133. pipeline I；
134. hose II；135. bent sub；141. rotary cylinder cylinder bodies；142. rotary cylinder piston rods；15. sleeve；In 151. sleeves
Chamber；152. flange；153. internal conical surface；154. lower mouths；155. tubular structure；16. revolute pair；17. inner cylinder；In 171. inner cylinders
Chamber；172. points of valves；2. grinding wheel component；21. left grinding wheel component；211. left grinding wheel motors；212. left grinding wheels；213. left grinding wheel belts are led
Bar cylinder；2131. left cylinder rodless cavity interfaces；2132. left cylinder rod chamber interfaces；214. cylinder motor left connection boards；22. right
Grinding wheel component；221. right grinding wheel motors；222. right grinding wheels；223. right grinding wheel belt guide rod cylinders；2231. right cylinder rodless cavities connect
Mouthful；2232. right cylinder rod chamber interfaces；224. cylinder motor right connection boards；23. grinding wheel moves cylinder slowly；24. crane；25. pipe
Road III；26. pipeline IV；3. slow lifting belt guide rod cylinder；4. fast lifting belt guide rod cylinder；34. twin-tub connecting plate；5. rack；6.
Tungsten needle；61. conical end；62. straight-bar portion；7. slow-speed driving portion；71. slow rotating electric machine；72. driving gear.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment: referring to Fig. 1 to Figure 12.
A kind of automatic sharpening equipment of tungsten needle, including it is rotary cylinder component 1, grinding wheel component 2, slow lifting belt guide rod cylinder 3, fast
Lifting belt guide rod cylinder 4, rack 5 and slow-speed driving portion 7；
Slow-speed driving portion 7 includes slow rotating electric machine 71 and driving gear 72, the housing flange and rack 5 of slow rotating electric machine 71
It is fixedly connected, driving gear 72 is fixedly connected with the output shaft of slow rotating electric machine 71；
Rotary cylinder component 1 includes driven gear 12, rotary joint, pipeline I 133, hose II 134；Bent sub 135,
Rotary cylinder, sleeve 15 and inner cylinder 17；Rotary cylinder is the single-acting cylinder by spring reset, and rotary cylinder includes rotary cylinder cylinder
Body 141 and rotary cylinder piston rod 142, rotary cylinder piston rod 142 is retracted in rotary cylinder cylinder body 141 in its natural state；
Rotary cylinder piston rod 142 is direction downwards；Sleeve 15 includes tubular structure 155 and flange 152, and flange 152 is in cylinder
There is barrel bore 151 in the upper end of shape structure 155 in tubular structure 155, and there is internal conical surface 153 in the lower end of tubular structure 155, interior
The diameter of the lower mouth 154 of circular conical surface 153 is smaller, and the diameter on 153 top of internal conical surface is bigger；Sleeve 15 passes through flange 152
It is fixedly connected with the rod end directed downwardly of rotary cylinder cylinder body 141；Tubular structure 155 is fixedly connected by revolute pair 16 with rack 5；
The rear end of rotary cylinder cylinder body 141 upward is fixedly connected with driven gear 12, and driven gear 12 is engaged with driving gear 72, slowly
Rotating electric machine 71, which is powered, to be rotated, and the combination for passing through driving gear 72- driven gear 12 drives rotary cylinder slow rotation；Inner cylinder 17
It is cylinder barrel shaped, there is an interior tube inner chamber 171 in inside, and the one end upward of inner cylinder 17 and the end directed downwardly of rotary cylinder piston rod 14 are fixed
Connection, the one end directed downwardly of inner cylinder 17 is axially split into four points of valves 172；Inner cylinder 17 is located at the inside of barrel bore 151；Rotation
Connector includes 132 two parts of fixed part 131 and rotating part, and fixed part 131 is connected with the gas circuit of rotating part 132 and opposite can turn
Dynamic, rotating part 132 is fixedly connected with the centre of driven gear 12, the axial line of rotating part 132 and the axis of driven gear 12
Heart line is overlapped, and one end of pipeline I 133 is connected to fixed part 131, and the other end of pipeline I 133 is fixedly connected with rack 5, fixed
Portion 131 is fixed with rack 5, and rotating part 132 is with 12 slow rotation of driven gear；One end of bent sub 135 and rotation
Cylinder block 141 is fixedly connected and is connected to the rodless cavity of rotary cylinder, and the other end of bent sub 135 passes through 134 He of hose II
The rotating part 132 of rotary joint is connected to；
Grinding wheel component 2 moves cylinder 23 and crane 24 including left grinding wheel component 21, right grinding wheel component 22, grinding wheel slowly；Left sand
Wheel assembly 21 includes left grinding wheel motor 211, left grinding wheel 212, left grinding wheel belt guide rod cylinder 213 and cylinder motor left connection board 214,
The cylinder body of left grinding wheel belt guide rod cylinder 213 is fixedly connected with crane 24, the piston-rod end of left grinding wheel belt guide rod cylinder 213 with
Cylinder motor left connection board 214 is fixedly connected, and the housing flange and cylinder motor left connection board 214 of left grinding wheel motor 211 are fixed
Connection, left grinding wheel 212 are fixedly connected with the output shaft of left grinding wheel motor 211；Left grinding wheel motor 211 drives left 212 high speed of grinding wheel
Rotation；The piston rod movement direction of left grinding wheel belt guide rod cylinder 213 and the output shaft direction of axis line of left grinding wheel motor 211 are flat
Row；Right grinding wheel component 22 includes right grinding wheel motor 221, right grinding wheel 222, right grinding wheel belt guide rod cylinder 223 and the right company of cylinder motor
The cylinder body of fishplate bar 224, right grinding wheel belt guide rod cylinder 223 is fixedly connected with crane 24, the piston of right grinding wheel belt guide rod cylinder 223
Bar end is fixedly connected with cylinder motor right connection board 224, the housing flange and cylinder motor right connection board of right grinding wheel motor 221
224 are fixedly connected, and right grinding wheel 222 is fixedly connected with the output shaft of right grinding wheel motor 221；Right grinding wheel motor 221 drives right grinding wheel
222 high speed rotations；The piston rod movement direction of right grinding wheel belt guide rod cylinder 223 and the output shaft axial line of right grinding wheel motor 221
Direction is parallel；The axial line of left grinding wheel 212 in vertical direction with 25 degree of angles, the piston rod of left grinding wheel belt guide rod cylinder 213
Direction is to tilt downward, and the axial line of right grinding wheel 222 is in vertical direction with 25 degree of angles, the work of right grinding wheel belt guide rod cylinder 223
The direction of stopper rod is to tilt downward, and the axial line of the axial line of left grinding wheel 212 and right grinding wheel 222 is at 50 degree of angles；Left grinding wheel belt
The left cylinder rodless cavity interface 2131 of guide rod cylinder 213 is in more top position, the left cylinder of left grinding wheel belt guide rod cylinder 213
Rod chamber interface 2132 is comparing position on the lower；The right cylinder rodless cavity interface 2231 of right grinding wheel belt guide rod cylinder 223 than
The right cylinder rod chamber interface 2232 of more top position, right grinding wheel belt guide rod cylinder 223 is comparing position on the lower；Left cylinder
Rodless cavity interface 2131 and right cylinder rodless cavity interface 2231 connects by pipeline III 25, left cylinder rod chamber interface 2132 and
Right cylinder rod chamber interface 2232 passes through the connection of pipeline IV 26；The rod chamber and rodless cavity of left grinding wheel belt guide rod cylinder 213 and the right side
Compressed air is filled in the rod chamber and rodless cavity of grinding wheel belt guide rod cylinder 223；Grinding wheel moves cylinder body and the lifting of cylinder 23 slowly
Frame 24 connects, and grinding wheel moves the piston rod of cylinder 23 slowly and cylinder motor right connection board 224 connects, and grinding wheel moves the piston of cylinder 23 slowly
Bar is parallel with the piston rod of right grinding wheel belt guide rod cylinder 223, grinding wheel move slowly cylinder 23 be passed through compressed air it is flexible when, drive right sand
The piston rod alternating translational of wheel belt guide rod cylinder 223；
The piston-rod end of slow lifting belt guide rod cylinder 3 is fixedly connected with crane 24, the cylinder of slow lifting belt guide rod cylinder 3
Body tail end is fixedly connected with the cylinder body tail end of fast lifting belt guide rod cylinder 4, the piston-rod end and machine of fast lifting belt guide rod cylinder 4
Frame 5 is fixedly connected.
The above refers to the group of a kind of widely used in industrial automation cylinder and guide frame with guide rod cylinder
Zoarium, cylinder include cylinder block and piston rod, and guide frame refers to the assembly of guide rod and guide sleeve, the axial line and piston of guide rod
The direction of bar center line is parallel, and guide rod is fixedly connected with piston rod, and guide rod cylinder has the stronger ability for bearing cross force, and
Piston rod can only be translated relative to cylinder body to be rotated.
The application method of the present embodiment is as described below.
1) tungsten needle 6 to be ground is inserted into from the lower mouth 154 of internal conical surface 153 from bottom to top, is inserted into inner cylinder 17, In
Expose length appropriate outside the lower mouth 154 of internal conical surface 153.
2) pipeline I 133 connects gas source, and compressed air passes sequentially through pipeline I 133, the fixed part 131 of rotary joint, rotation
The rotating part 132 of adapter, hose II 134, bent sub 135 reach the rodless cavity of rotary cylinder, compressed air-driven piston and
Piston rod overcomes the elastic force of spring to translate downwards, while inner cylinder 17 being driven to translate downwards, and four points of valves 172 touch internal conical surface
Flexible deformation occurs after 153 to embrace to centerline direction, until tightly embracing tungsten needle 6 to be ground and maintaining this shape
State, at this moment rotary cylinder cylinder body 141, rotary cylinder piston rod 142, sleeve 15, inner cylinder 17 and tungsten needle 6 to be ground connect into
One entirety, mutual alignment are not moved, as shown in Figure 4.
3) fast lifting belt guide rod cylinder 4 connects gas source, and the piston rod of fast lifting belt guide rod cylinder 4 is with the quick of 0.5 meter per second
Degree gives rise to left grinding wheel 212 and right grinding wheel 222 position closer from tungsten needle 6, if Fig. 1 is that fast lifting belt guide rod cylinder 4 is lifted
Situation before rising, if Fig. 2 is the situation after lifting.
4) start slow rotating electric machine 71, left grinding wheel motor 211, right grinding wheel motor 221, grinding wheel simultaneously and move cylinder 23 and slow slowly
Lifting belt guide rod cylinder 3, following steps carry out simultaneously.
A) slow rotating electric machine 71 drives rotary cylinder component 1 with very slow by the combination of driving gear 72- driven gear 12
1 rev/min of speed around revolute pair 16 rotate, then also drive tungsten needle 6 with this speed rotation.The rotating part 132 of rotary joint,
Hose II 134, bent sub 135 are rotated with rotary cylinder cylinder body 141 together, fixed part 131, the pipeline I 133 of rotary joint
Do not turn then, compressed air still can transmit pressure in the rodless cavity of rotary cylinder, and four points of holdings of valve 172 are tightly embraced
The state of tungsten needle 6.
B) left grinding wheel motor 211 drives left grinding wheel 212 with 2000 revs/min of high speed rotation, while right grinding wheel motor 221
It drives right grinding wheel 222 also with 2000 revs/min of high speed rotation, all rotates clockwise in a top view, be ground neighbouring tungsten
Needle 6.
C) slow lifting belt guide rod cylinder 3 lifts grinding wheel component 2 with the jogging speed of 0.2 mm/min straight up, then left sand
Wheel 212 and right grinding wheel 222 are close to tungsten needle 6 to be ground at a slow speed.
D) grinding wheel moves cylinder 23 slowly and did stretching motion with 20 seconds for cycle.When grinding wheel moves the piston of cylinder 23 slowly
When bar stretches out, pusher cylinder motor right connection board 224, the piston rod of right grinding wheel belt guide rod cylinder 223,221 and of right grinding wheel motor
The entirety that high-speed rotating right grinding wheel 222 forms translates obliquely along the direction of the piston rod of right grinding wheel belt guide rod cylinder 223；It is right
Compressed air in the rodless cavity of grinding wheel belt guide rod cylinder 223 is squeezed through right cylinder rodless cavity interface 2231, pipeline III
25 and left cylinder rodless cavity interface 2131 flow to the rodless cavity of left grinding wheel belt guide rod cylinder 213, the then left sand of compressed air-driven
The piston and piston rod and cylinder motor left connection board 214, left grinding wheel motor 211 and high speed rotation of wheel belt guide rod cylinder 213
Left grinding wheel 212 translate obliquely, the compressed air in the rod chamber of the left grinding wheel belt guide rod cylinder 213 of piston press pass through left gas
What cylinder rod chamber interface 2132, pipeline IV 26 and right cylinder rod chamber interface 2232 flowed to right grinding wheel belt guide rod cylinder 223 has bar
Chamber.When the piston rod that grinding wheel moves cylinder 23 slowly retracts, cylinder motor right connection board 224, right grinding wheel belt guide rod cylinder 223 are pulled
Piston rod, right grinding wheel motor 221 and high-speed rotating right grinding wheel 222 composition it is whole along right grinding wheel belt guide rod cylinder 223
The direction of piston rod translates obliquely；Compressed air in the rod chamber of right grinding wheel belt guide rod cylinder 223, which is squeezed, passes through the right side
Cylinder rod chamber interface 2232, pipeline IV 26 and left cylinder rod chamber interface 2132 flow to having for left grinding wheel belt guide rod cylinder 213
Rod cavity drives the piston of left grinding wheel belt guide rod cylinder 213 to translate obliquely, drive left grinding wheel belt guide rod cylinder 213 piston rod,
Cylinder motor left connection board 214, left grinding wheel motor 211 and high-speed rotating left grinding wheel 212 translate obliquely, left grinding wheel belt guide rod
The piston of cylinder 213 squeezes the air in rodless cavity again and passes through left cylinder rodless cavity interface 2131, pipeline III 25 and right cylinder
Rodless cavity interface 2231 flows to the rodless cavity of right grinding wheel belt guide rod cylinder 223.I.e. as shown in figure 3, when left grinding wheel 212 is towards obliquely
M to when translation, right grinding wheel 222 is towards N obliquely to translation, when left grinding wheel 212 is towards M obliquely to when translation, right grinding wheel
222 towards N obliquely to translation, and the two can always be mutually staggered and not collided, the two only one mill tungsten needle 6 cone.It is left
The torque of the friction generation applied when grinding wheel 212 and right grinding wheel 222 are ground tungsten needle 6 to tungsten needle exists towards the same direction
Observation is clockwise direction in top view, and what tungsten needle was subject to is the couple that the two is combined, and in diametrical direction, it is left
The extruding force that grinding wheel 212 and right grinding wheel 222 are generated close to tungsten needle is equal in magnitude, contrary, and two power are cancelled out each other, so tungsten
Needle is only by a force couple role, and without moment of flexure, tungsten needle is not allowed pliable, will not more fracture.
5) meet the cone of requirement until tungsten needle 6 is ground, slow lifting belt guide rod cylinder 3 reversely connects gas source, downwards
Translation, grinding wheel move cylinder 23 slowly and stop air supply source, and left grinding wheel motor 211 and right grinding wheel motor 221 cut off the power and stop operating.
6) slow rotating electric machine 71 is cut off the power, and then fast lifting belt guide rod cylinder 4 reversely connects gas source, drives grinding wheel component
2 rapid decreases.
7) pipeline I 133 cuts off gas source, and the compressed air in rotary cylinder rodless cavity successively passes through bent sub 135, hose
II 134, rotary joint and pipeline I 133 are released, and rotary cylinder piston rod 142 rises under the elastic force effect of spring, while band
Dynamic inner cylinder 17 rises, and four points of valves 172 restore direction dispersion of the elastic deformation to separate center line after leaving internal conical surface 153,
Tungsten needle 6 falls off, and at this moment manually takes out tungsten needle, has achieved the purpose that automatic grinding tungsten needle.
The present embodiment the utility model has the advantages that can automatic grinding tungsten needle；Compared to artificial, the coning angle size ground is accurate, is mark
50 degree of coning angle quasi- of cone, tungsten needle is only by force couple role, without curved power, can effectively avoid bent or brittle failure, imitate
Rate is relatively high, and personnel station operates other than safe distance, and smaller to the risk of human body, abrasion of grinding wheel is more uniform, grinding wheel
Service life is longer.
Claims (3)
1. a kind of automatic sharpening equipment of tungsten needle, including grinding wheel component, grinding wheel component include left grinding wheel component, right grinding wheel component and liter
Frame drops；Left grinding wheel component includes left grinding wheel motor, left grinding wheel, left grinding wheel belt guide rod cylinder and cylinder motor left connection board；Left sand
The cylinder body of wheel belt guide rod cylinder is fixedly connected with crane, the piston-rod end of left grinding wheel belt guide rod cylinder and the left company of cylinder motor
Fishplate bar is fixedly connected, and the housing flange of left grinding wheel motor is fixedly connected with cylinder motor left connection board, left grinding wheel and left grinding wheel electricity
The output shaft of machine is fixedly connected；Right grinding wheel component includes right grinding wheel motor, right grinding wheel, right grinding wheel belt guide rod cylinder and cylinder motor
Right connection board；The cylinder body of right grinding wheel belt guide rod cylinder is fixedly connected with crane, the piston-rod end of right grinding wheel belt guide rod cylinder
It is fixedly connected with cylinder motor right connection board, the housing flange of right grinding wheel motor is fixedly connected with cylinder motor right connection board, right
Grinding wheel is fixedly connected with the output shaft of right grinding wheel motor；
It is characterized in that, further including rotary cylinder component, slow lifting belt guide rod cylinder, fast lifting belt guide rod cylinder, rack and slow
Turn driving portion；
Slow-speed driving portion includes slow rotating electric machine and driving gear, and the housing flange of slow rotating electric machine is fixedly connected with rack, main
Moving gear is fixedly connected with the output shaft of slow rotating electric machine；
Rotary cylinder component includes driven gear, rotary joint, pipeline I, hose II, bent sub, rotary cylinder, sleeve and interior
Cylinder；Rotary cylinder is the single-acting cylinder by spring reset, and rotary cylinder includes rotary cylinder cylinder body and rotary cylinder piston rod, In
Under natural conditions in rotary cylinder piston rod retraction rotary cylinder cylinder body；Rotary cylinder piston rod is direction downwards；Set
Cylinder includes tubular structure and flange, and flange has barrel bore, the lower end of tubular structure in the upper end of tubular structure, tubular structure
There is internal conical surface, the diameter of the lower mouth of internal conical surface is small, and the diameter on internal conical surface top is big；Sleeve passes through flange and rotary cylinder
Cylinder body rod end directed downwardly is fixedly connected；Tubular structure is fixedly connected by revolute pair with rack；Rotary cylinder cylinder body is upward
Rear end is fixedly connected with driven gear, and driven gear is engaged with driving gear, and slow rotating electric machine, which is powered, to be rotated, and passes through driving tooth
The combination driving rotary cylinder of wheel and driven gear is rotated with 0.5 to 1.5 rev/min of speed；Inner cylinder is cylinder barrel shaped, internal
There is interior tube inner chamber, the one end of inner cylinder upward is fixedly connected with rotary cylinder piston rod end directed downwardly, inner cylinder one end edge directed downwardly
Axial be split into four points of valves；Inner cylinder is located at the inside of barrel bore；Rotary joint includes fixed part and rotating part two parts, Gu
Determine portion to be connected with the gas circuit of rotating part and can relatively rotate, rotating part is fixedly connected with the centre of driven gear, rotation
The axial line in portion and the axial line of driven gear are overlapped, and one end of pipeline I is connected to fixed part, the other end and rack of pipeline I
It is fixedly connected, fixed part is fixed with rack, and rotating part is with driven gear slow rotation；One end of bent sub and rotation
Cylinder block is fixedly connected and is connected to the rodless cavity of rotary cylinder, and the other end of bent sub passes through hose II and rotary joint
Rotating part connection；
Left grinding wheel motor drives left grinding wheel to rotate with 1500 to 3000 revs/min of speed；The piston of left grinding wheel belt guide rod cylinder
The bar direction of motion is parallel with the output shaft direction of axis line of left grinding wheel motor；Right grinding wheel motor drive right grinding wheel with left grinding wheel phase
Same speed rotation；The piston rod movement direction of right grinding wheel belt guide rod cylinder and the output shaft direction of axis line of right grinding wheel motor are flat
Row；For the axial line of left grinding wheel in vertical direction with 25 degree of angles, the direction of the piston rod of left grinding wheel belt guide rod cylinder is inclination court
Under, for the axial line of right grinding wheel in vertical direction with 25 degree of angles, the direction of the piston rod of right grinding wheel belt guide rod cylinder is inclination court
Under, the axial line of the axial line of left grinding wheel and right grinding wheel is at 50 degree of angles；The left cylinder rodless cavity of left grinding wheel belt guide rod cylinder connects
Mouth is in top position, and the left cylinder rod chamber interface of left grinding wheel belt guide rod cylinder is in position on the lower；Right grinding wheel belt guide rod gas
The right cylinder rodless cavity interface of cylinder is in top position, and the right cylinder rod chamber interface of right grinding wheel belt guide rod cylinder is in position on the lower
It sets；Left cylinder rodless cavity interface is connect with right cylinder rodless cavity interface by pipeline III, left cylinder rod chamber interface and right cylinder
Rod chamber interface is connected by pipeline IV；The rod chamber and rodless cavity of left grinding wheel belt guide rod cylinder and right grinding wheel belt guide rod cylinder
Compressed air is filled in rod chamber and rodless cavity；The cylinder body that grinding wheel moves cylinder slowly is connected with crane, and grinding wheel moves cylinder slowly
Piston rod is connected with cylinder motor right connection board, and grinding wheel moves the piston rod of cylinder slowly and the piston rod of right grinding wheel belt guide rod cylinder is put down
Row, grinding wheel move slowly cylinder be passed through compressed air it is flexible when, drive the piston rod alternating translational of right grinding wheel belt guide rod cylinder；
The piston-rod end of slow lifting belt guide rod cylinder is fixedly connected with crane, the cylinder body tail end of slow lifting belt guide rod cylinder and
The cylinder body tail end of fast lifting belt guide rod cylinder is fixedly connected, and the piston-rod end and rack of fast lifting belt guide rod cylinder are fixed to be connected
It connects；
All being when observing left grinding wheel and right wheel grinding tungsten needle in a top view is clockwise or all counterclockwise.
2. the automatic sharpening equipment of tungsten needle according to claim 1, it is characterised in that slow lifting belt guide rod cylinder with 0.1 to
The speed of 0.3 mm/min lifts grinding wheel component straight up.
3. the automatic sharpening equipment of tungsten needle according to claim 1 or 2, it is characterised in that grinding wheel moves cylinder slowly with 10 to 30 seconds
Periodical stretching motion is done for the period.
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| CN111816378A (en) * | 2020-08-26 | 2020-10-23 | 宁波艾思科汽车音响通讯有限公司 | Tip round brush shaping device of pencil |
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|---|---|---|---|---|
| CN2902569Y (en) * | 2006-03-23 | 2007-05-23 | 邱博洪 | Grinding device of drill |
| KR20090016106A (en) * | 2007-08-10 | 2009-02-13 | 김경준 | Drill screw and device for grinding the same |
| CN201120565Y (en) * | 2007-11-23 | 2008-09-24 | 俞学文 | Numerical control tool grinding tapping machine |
| CN101693350B (en) * | 2009-09-30 | 2014-03-26 | 深圳盟星科技有限公司 | Drill bit grinding device and testing method |
| CN202646202U (en) * | 2012-06-28 | 2013-01-02 | 中联重科股份有限公司 | Travel control device of concrete pumping equipment and series connection hydro-cylinders |
| CN202716122U (en) * | 2012-07-20 | 2013-02-06 | 姚福来 | Drill placement device of drill blade grinding machine |
| CN205363453U (en) * | 2016-01-21 | 2016-07-06 | 深圳市顺佳研磨科技有限公司 | Two -sided grinding device in cell -phone metal carton surface |
| CN206123343U (en) * | 2016-08-26 | 2017-04-26 | 广东豪特曼智能机器有限公司 | Two grindstone head cylindrical grinders |
| CN206357001U (en) * | 2016-12-28 | 2017-07-28 | 京瓷精密工具（珠海）有限公司 | A kind of drill bit blade sanding apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816378A (en) * | 2020-08-26 | 2020-10-23 | 宁波艾思科汽车音响通讯有限公司 | Tip round brush shaping device of pencil |
| CN111816378B (en) * | 2020-08-26 | 2020-12-25 | 宁波艾思科汽车音响通讯有限公司 | Tip round brush shaping device of pencil |
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