CN108500408B - A kind of Electrolyzed Processing straight-line oscillation device - Google Patents
A kind of Electrolyzed Processing straight-line oscillation device Download PDFInfo
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- CN108500408B CN108500408B CN201810311269.XA CN201810311269A CN108500408B CN 108500408 B CN108500408 B CN 108500408B CN 201810311269 A CN201810311269 A CN 201810311269A CN 108500408 B CN108500408 B CN 108500408B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a kind of Electrolyzed Processing straight-line oscillation devices, belong to vibrating mechanism field.Straight-line oscillation device of the invention, one end of its input shaft has a piston cylinder, one end of vibrating shaft has a piston matched with above-mentioned piston cylinder, the cylinder side wall of piston cylinder is equipped with two groups of small oil tanks, and the cam contour of overhead cam and the cam contour of lower cam offset with the small oil tank piston rod of corresponding small oil tank respectively.Input shaft is dexterously connect with vibrating shaft using piston cylinder structure by the present invention, realize that vibrating shaft up and down reciprocatingly straight-line oscillation campaign is realized in the variation in hydraulic oil space in piston cylinder using cam structure simultaneously, the rotary motion of driving motor is converted into linear vibration, Oscillation Amplitude is i.e. controllable by cam locus, with hydraulicdriven buffer damping effect, and without complicated hydraulic control system, structure design is simple and compact, it is flexible and convenient to use, greatly meet the straight-line oscillation needs of Electrolyzed Processing.
Description
Technical field
The present invention relates to a kind of straight-line oscillation mechanisms, more specifically to a kind of Electrolyzed Processing straight-line oscillation device.
Background technique
In field of machining technology, a kind of mechanism of straight reciprocating motion is generally required.For example, in Electrolyzed Processing
In, the main shaft of electrolytic machine tool usually requires that cathode tool is driven to move up and down to carry out Electrolyzed Processing.Existing straight line fortune
Motivation structure have many modes, such as linear motor, cylinder, oil cylinder and using gear and rack teeth mechanism, slider-crank mechanism or
The rotary motion of motor is converted to the structures such as linear motion by feed screw nut's vice mechanism etc..Linear motor is compared with cylinder and oil cylinder
Compared with dynamic stiffiness is lower, cannot play the role of buffer damping.Cylinder and oil cylinder need to be equipped with air pressure and oil hydraulic system, cause
Device structure is complicated.Using gear and rack teeth mechanism, slider-crank mechanism or feed screw nut's vice mechanism etc. by the rotary motion of motor
The mechanisms such as linear motion are converted to, buffer damping can not be played the role of, and such mechanism is influenced by mechanical structure, need to examine
Consider factors, gear and rack teeth mechanism and feed screw nut's vice mechanisms such as the installation site of movement mechanism and needs to control motor positive and inverse to control
Mechanism processed is of reciprocating vibration, and vibrating effect is undesirable.
For this purpose, needing exploitation in order to meet Electrolyzed Processing needs and designing the novel straight-line oscillation device of one kind to meet electricity
The use of solution processing needs.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome existing straight-line oscillation mechanism to exist, structure is complicated, buffer damping acts on difference etc. no
Foot, provides a kind of Electrolyzed Processing straight-line oscillation device, using technical solution of the present invention, dexterously by input shaft and vibrating shaft
It is connected using piston cylinder structure, while realizing that vibrating shaft or more is realized in the variation in hydraulic oil space in piston cylinder using cam structure
The rotary motion of driving motor is converted to linear vibration by reciprocating linear vibration motion, and Oscillation Amplitude is by cam locus
It is controllable, there is hydraulicdriven buffer damping effect, and without complicated hydraulic control system, structure design is simple and compact,
It is flexible and convenient to use, greatly meet the straight-line oscillation needs of Electrolyzed Processing.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of Electrolyzed Processing straight-line oscillation device of the invention, including it is cabinet, input shaft, vibrating shaft, lower cam, convex
Wheel and small oil tank, in cabinet, the vibrating shaft and input shaft are coaxially installed on cabinet for the input shaft rotational installation, and
Spline structure is additionally provided between vibrating shaft and cabinet, one end of the input shaft has a piston cylinder, the vibrating shaft
One end has a piston matched with above-mentioned piston cylinder, and piston cylinder is divided into closed rodless cavity and has bar by the piston
The cylinder side wall of chamber, the piston cylinder is equipped with two groups of small oil tanks communicated respectively with rodless cavity and rod chamber, the nothing
Hydraulic oil is full of in rod cavity and rod chamber, the overhead cam and lower cam are individually fixed in cabinet, and overhead cam is convex under
The cam contour of wheel all has not journey profile and impulse stroke profile, the cam contour of the overhead cam be connected to rodless cavity
The small oil tank piston rod of small oil tank offsets, and the cam contour of the lower cam is living with the small oil tank for the small oil tank for being connected to rod chamber
Stopper rod offsets；
When the small oil tank piston rod of the small oil tank of connection rodless cavity is in the impulse stroke profile of overhead cam, it is communicated with bar
The small oil tank piston rod of the small oil tank of chamber stops journey profile just at lower cam；When the small oil tank of the small oil tank of connection rodless cavity
Piston rod is in when stopping journey profile of overhead cam, is connected to the small oil tank piston rod of the small oil tank of rod chamber just at lower cam
Impulse stroke profile.
Further, the small oil tank includes small oil tank cylinder body and small oil tank piston rod, the small oil tank cylinder body
Be connected through a screw thread with the piston cylinder of input shaft, the small oil tank piston rod pass through after small oil tank cylinder body with lower cam and convex
The cam contour of wheel matches.
Further, sliding slot is all had on the cam contour of the lower cam and overhead cam, the small oil tank
Small oil tank piston rod end is equipped with the ball matched with above-mentioned sliding slot.
Further, the overhead cam is identical with the cam profile of lower cam, stops journey profile and working line
Journey profile is semicircle, and not journey profile and impulse stroke profile junction are seamlessly transitted using arc.
Further, the overhead cam and lower cam are identical in the intracorporal cam contour phase of case, with overhead cam and
Installation site of the two groups of small oil tanks that lower cam matches on the piston cylinder of input shaft is mutually in 180 °.
Further, the input shaft is installed on the upper end cover of cabinet by bearing of input shaft, the upper end
Cover the bearing cap being additionally provided with for fixing bearing of input shaft；The vibrating shaft is installed on cabinet by thrust ball bearing,
And the axle sleeve being sheathed on vibrating shaft is additionally provided between thrust ball bearing and the piston cylinder end cap of input shaft.
Further, the spline structure includes right anti-rotation block and left anti-rotation block, and the right anti-rotation block and a left side are stopped
The structure of switch block is identical, all has rotation stop groove, and the vibrating shaft is equipped with and above-mentioned right anti-rotation block and left anti-rotation block position
Corresponding rotation stop platform, the right anti-rotation block and left anti-rotation block are both secured on cabinet, and right anti-rotation block and left anti-rotation block
Rotation stop groove obvolvent is on the rotation stop platform of vibrating shaft.
Further, the lower cover of the cabinet is equipped with the straight-line ball flange matched with vibrating shaft.
Further, the course of work is as follows: the input shaft rotation drives two groups of small oil tanks convex under in overhead cam
It is rotated on wheel, the small oil tank piston rod of two groups of small oil tanks replaces stretching motion on overhead cam and the cam contour of lower cam to drive
Dynamic vibrating shaft vibrates up and down.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of Electrolyzed Processing straight-line oscillation device of the invention, one end of input shaft have a piston cylinder, vibration
One end of axis has a piston matched with above-mentioned piston cylinder, and piston cylinder is divided into closed rodless cavity and has bar by piston
The cylinder side wall of chamber, piston cylinder is equipped with two groups of small oil tanks communicated respectively with rodless cavity and rod chamber, rodless cavity and rod chamber
Interior to be full of hydraulic oil, overhead cam and lower cam are individually fixed in cabinet, and overhead cam and the cam contour of lower cam all have
Not journey profile and impulse stroke profile, the small oil tank piston rod phase of the cam contour of overhead cam and the small oil tank for being connected to rodless cavity
It supports, the cam contour of lower cam offsets with the small oil tank piston rod for the small oil tank for being connected to rod chamber；When the small oil of connection rodless cavity
When the small oil tank piston rod of cylinder is in the impulse stroke profile of overhead cam, the small oil tank piston rod for being connected to the small oil tank of rod chamber is rigid
Benefit stops journey profile in lower cam；When the small oil tank piston rod of the small oil tank of connection rodless cavity is in the not journey profile of overhead cam
When, it is connected to impulse stroke profile of the small oil tank piston rod just at lower cam of the small oil tank of rod chamber；It dexterously will input
Axis is connect with vibrating shaft using piston cylinder structure, while realizing that the variation in hydraulic oil space in piston cylinder is realized using cam structure
Vibrating shaft up and down reciprocatingly straight-line oscillation campaign, and due to being additionally provided with spline structure between vibrating shaft and cabinet, make vibrating shaft not
It can be rotated with input shaft and only do linear vibration, the rotary motion of driving motor is converted into linear vibration, is vibrated
Amplitude is i.e. controllable by cam locus, has hydraulicdriven buffer damping effect, and without complicated hydraulic control system, knot
Structure design is simple and compact, flexible and convenient to use, greatly meets the straight-line oscillation needs of Electrolyzed Processing；
(2) a kind of Electrolyzed Processing straight-line oscillation device of the invention, small oil tank include small oil tank cylinder body and small oil tank
The piston cylinder of piston rod, small oil tank cylinder body and input shaft is connected through a screw thread, small oil tank piston rod pass through small oil tank cylinder body after with
The cam contour of lower cam and overhead cam matches, and structure is simple, easy for installation；Also, the cam wheel of lower cam and overhead cam
Sliding slot is all had on exterior feature, the small oil tank piston rod end of small oil tank is equipped with the ball matched with above-mentioned sliding slot, utilizes ball
Cooperate with cam race, reduce frictional resistance, power transmission efficiency is high, is driven more reliable and more stable；
(3) a kind of Electrolyzed Processing straight-line oscillation device of the invention, the cam profile of overhead cam and lower cam
Identical, stopping journey profile and impulse stroke profile is semicircle, and not journey profile and impulse stroke profile junction use arc
Shape smooth transition, using above-mentioned cam contour, input shaft rotation one encloses while driving vibrating shaft of reciprocating vibration primary, meets electricity
The vibration for solving machining spindle needs, and drives vibrating shaft to move up and down using hydraulic, has many advantages, such as hydraulicdriven；
(4) a kind of Electrolyzed Processing straight-line oscillation device of the invention, overhead cam and lower cam are in the intracorporal cam of case
Profile phase is identical, and installation site of the two groups of small oil tanks matched with overhead cam and lower cam on the piston cylinder of input shaft is mutual
In 180 °, arrangement of two groups of small oil tanks on piston cylinder is more reasonable, keeps the rotation of piston cylinder more steady, reduces straight line vibration
The lateral shake of dynamic device；
(5) a kind of Electrolyzed Processing straight-line oscillation device of the invention, input shaft are installed on case by bearing of input shaft
The bearing cap for fixing bearing of input shaft is additionally provided on the upper end cover of body, on upper end cover, vibrating shaft is pacified by thrust ball bearing
Loaded on cabinet, and it is additionally provided with the axle sleeve being sheathed on vibrating shaft between thrust ball bearing and the piston cylinder end cap of input shaft, it is whole
A straight-line oscillation apparatus structure is simple and compact, and movement is steady reliable；Spline structure includes right anti-rotation block and left anti-rotation block, right rotation stop
Block is identical with the structure of left anti-rotation block, all has rotation stop groove, and vibrating shaft is equipped with and above-mentioned right anti-rotation block and left anti-rotation block position
Corresponding rotation stop platform is set, right anti-rotation block and left anti-rotation block are both secured on cabinet, and the rotation stop of right anti-rotation block and left anti-rotation block
Slot obvolvent is on the rotation stop platform of vibrating shaft, and the production is simple and convenient for the spline structure, convenient for assembly；
(6) lower cover of a kind of Electrolyzed Processing straight-line oscillation device of the invention, cabinet is equipped with and vibrating shaft phase
The straight-line ball flange of cooperation further improves the stability of vibration axis straight line oscillation.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view of Electrolyzed Processing straight-line oscillation device of the invention；
Fig. 2 is the structural schematic diagram of the small oil tank in the present invention；
Fig. 3 is the structural schematic diagram of the cam in the present invention；
Fig. 4 is the structural schematic diagram of the vibrating shaft in the present invention；
Fig. 5 is the structural schematic diagram of the anti-rotation block in the present invention.
Label declaration in schematic diagram:
1, vibrating shaft；1-1, rotation stop platform；1-2, piston seal mounting groove；2, straight-line ball flange；3, lower cover；4, right
Anti-rotation block；4-1, rotation stop groove；5, cabinet；6, axle sleeve；7, end cap；8, lower cam；8-1, stop journey profile；8-2, impulse stroke wheel
It is wide；9, piston seal；10, overhead cam；11, bearing of input shaft；12, input shaft；13, bearing cap；14, upper end cover；15, small oil
Cylinder；15-1, small oil tank cylinder body；15-2, small oil tank piston rod；15-3, ball；16, hydraulic oil；17, end cap seal circle；18, it pushes away
Power ball bearing；19, left anti-rotation block.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Referring to figs. 1 and 2, a kind of Electrolyzed Processing straight-line oscillation device of the present embodiment, including cabinet 5, input
Axis 12, vibrating shaft 1, lower cam 8, overhead cam 10 and small oil tank 15, main part of the cabinet 5 as straight-line oscillation device, are used for
Each components are installed to use, input shaft 12 can connect with external motor, make rotating motion under the driving of external motor, input
For the rotational installation of axis 12 in cabinet 5, vibrating shaft 1 and input shaft 12 are coaxially installed on cabinet 5, and between vibrating shaft 1 and cabinet 5 also
Equipped with spline structure, one end of input shaft 12 has a piston cylinder, and piston cylinder can be integrally formed at one end end of input shaft 12,
One end of vibrating shaft 1 has a piston matched with above-mentioned piston cylinder, which can slide up and down in piston cylinder, and
Piston seal 9 is additionally provided on piston, which is installed in the piston seal mounting groove 1-2 on piston
Piston cylinder is divided into closed rodless cavity and rod chamber by (shown in Figure 4), piston, and the cylinder side wall of piston cylinder is equipped with two groups
Hydraulic oil 16 is full of in the small oil tank 15 communicated respectively with rodless cavity and rod chamber, rodless cavity and rod chamber, small oil tank 15 is flexible
Hydraulic oil space in the rodless cavity and rod chamber of the i.e. changeable piston cylinder of movement, so as to drive vibrating shaft 1 in piston cylinder
Interior stretching motion.Overhead cam 10 and lower cam 8 are individually fixed in cabinet 5, and overhead cam 10 and the cam contour of lower cam 8 are equal
With not journey profile 8-1 and impulse stroke profile 8-2, wherein impulse stroke profile 8-2 is the small oil tank for compressing small oil tank 15
The cam contour of piston rod 15-2, not journey profile 8-1 are the cam contour for discharging the small oil tank piston rod 15-2 of small oil tank 15,
The cam contour of overhead cam 10 offsets with the small oil tank piston rod 15-2 for the small oil tank 15 for being connected to rodless cavity, the cam of lower cam 8
Profile offsets with the small oil tank piston rod 15-2 for the small oil tank 15 for being connected to rod chamber；Also, when the small oil tank 15 of connection rodless cavity
Small oil tank piston rod 15-2 when being in the impulse stroke profile 8-2 of overhead cam 10, be connected to the small oil of the small oil tank 15 of rod chamber
Cylinder piston rod 15-2 stops journey profile 8-1 just at lower cam 8；When the small oil tank piston rod of the small oil tank 15 of connection rodless cavity
15-2 is in when stopping journey profile 8-1 of overhead cam 10, and the small oil tank piston rod 15-2 for being connected to the small oil tank 15 of rod chamber just locates
In the impulse stroke profile 8-2 of lower cam 8.In this way, the rotation of input shaft 12 drives vibrating shaft 1 to rotate, while two groups of small oil tanks 15
The small oil tank piston rod 15-2 of the rotary motion on overhead cam 10 and the cam contour of lower cam 8, two groups of small oil tanks 15 is alternately pressed
Contracting and stretching, to drive 1 piston up-down of vibrating shaft in 12 piston cylinder of input shaft.A kind of Electrolyzed Processing of the present embodiment
With straight-line oscillation device, dexterously input shaft 12 is connect with vibrating shaft 1 using piston cylinder structure, while real using cam structure
Vibrating shaft up and down reciprocatingly straight-line oscillation campaign is realized in the variation in hydraulic oil space in existing piston cylinder, and due to vibrating shaft 1 and case
It is additionally provided with spline structure between body 5, so that vibrating shaft 1 is not rotated with input shaft 12 and is only done linear vibration, by driving electricity
The rotary motion of machine is converted to linear vibration, and Oscillation Amplitude is i.e. controllable by cam locus, has hydraulicdriven buffering
Damping, and without complicated hydraulic control system, structure design is simple and compact, and it is flexible and convenient to use, greatly meet
The straight-line oscillation of Electrolyzed Processing needs.
Shown in hookup 2, in the present embodiment, small oil tank 15 includes small oil tank cylinder body 15-1 and small oil tank piston rod 15-
2, one end of small oil tank cylinder body 15-1 is machined with external screw thread, and the piston cylinder side wall of input shaft 12 is threaded hole, small oil tank cylinder
Body 15-1 and the piston cylinder of input shaft 12 are connected through a screw thread, and small oil tank piston rod 15-2 and small oil tank cylinder body 15-1 pass through piston
Cooperation, and small oil tank piston rod 15-2 matches after small oil tank cylinder body 15-1 with the cam contour of lower cam 8 and overhead cam 10
It closes, when small oil tank piston rod 15-2 is by cam extrusion, small oil tank piston rod 15-2 compresses the piston cylinder space of input shaft 12, from
And drive 1 stretching motion of vibrating shaft.Above-mentioned 15 structure of small oil tank is simple, easy for installation.In order to guarantee small oil tank piston rod 15-
2 move more smooth on cam, all have sliding slot on the cam contour of lower cam 8 and overhead cam 10, small oil tank 15 it is small
The end cylinder piston rod 15-2 is equipped with the ball 15-3 matched with above-mentioned sliding slot, is matched using ball 15-3 and cam race
It closes, reduces frictional resistance, power transmission efficiency is high, is driven more reliable and more stable.
As shown in figure 3, in the present embodiment preferably, overhead cam 10 is identical with the cam profile of lower cam 8, stop
Journey profile 8-1 and impulse stroke profile 8-2 is semicircle, and not journey profile 8-1 and the impulse stroke junction profile 8-2 use
Arc smooth transition, using above-mentioned cam contour, input shaft rotation one encloses while driving vibrating shaft of reciprocating vibration primary, meets
The vibration of Electrolyzed Processing main shaft needs, and drives vibrating shaft to move up and down using hydraulic, has hydraulicdriven many excellent
Point.The both ends of above-mentioned overhead cam 10 and lower cam 8 are additionally provided with mounting ear (as shown in Figure 1), and overhead cam 10 and lower cam 8 are logical
Screw is crossed to be fixed in cabinet 5.In addition, for the ease of the installation of two groups of small oil tanks 15, in the present embodiment preferably, overhead cam
10 is identical with cam contour phase of the lower cam 8 in cabinet 5, the two groups of small oil tanks matched with overhead cam 10 and lower cam 8
15 installation site on the piston cylinder of input shaft 12 is mutually in 180 °, arrangement more adduction of two groups of small oil tanks 15 on piston cylinder
Reason, keeps the rotation of piston cylinder more steady, reduces the lateral shake of straight-line oscillation device.
It returns shown in Fig. 1, a kind of Electrolyzed Processing straight-line oscillation device of the present embodiment, input shaft 12 passes through input shaft
Bearing 11 is installed on the upper end cover 14 of cabinet 5, and the bearing cap 13 for fixing bearing of input shaft 11 is additionally provided on upper end cover 14；
Vibrating shaft 1 is installed on cabinet 5 by thrust ball bearing 18, and the piston cylinder end cap 7 of thrust ball bearing 18 and input shaft 12 it
Between be additionally provided with the axle sleeve 6 being sheathed on vibrating shaft 1, keep entire straight-line oscillation apparatus structure simple and compact, movement is steady reliable.On
It states between the piston cylinder end cap 7 of input shaft 12 and vibrating shaft 1 through the sealing cooperation of end cap seal circle 17.Above-mentioned spline structure packet
Right anti-rotation block 4 and left anti-rotation block 19 are included, right anti-rotation block 4 is identical with the structure of left anti-rotation block 19, all has rotation stop groove 4-1 (such as Fig. 5
It is shown), vibrating shaft 1 is equipped with rotation stop platform 1-1 corresponding with above-mentioned right anti-rotation block 4 and 19 position of left anti-rotation block (such as Fig. 4 institute
Show), right anti-rotation block 4 and left anti-rotation block 19 are both secured on cabinet 5, and the rotation stop groove 4-1 of right anti-rotation block 4 and left anti-rotation block 19 is embraced
It closes on the rotation stop platform 1-1 of vibrating shaft 1, planar structure can be used in above-mentioned rotation stop groove 4-1, and rotation stop platform 1-1 is also used and matched
Planar structure, processing and fabricating is simple and convenient.In addition, it is necessary to explanation, right anti-rotation block 4, left anti-rotation block 19 height answer it is small
In the rotation stop platform 1-1 height of vibrating shaft 1, moved freely with meeting vibrating shaft 1 in its vibratility adjustment.In order to guarantee vibrating shaft 1
Movement is more steady, and the lower cover 3 of cabinet 5 is equipped with the straight-line ball flange 2 matched with vibrating shaft 1, further improves
The stability of 1 straight-line oscillation of vibrating shaft.
Shown in Figure 1, a kind of Electrolyzed Processing straight-line oscillation device of the present embodiment, the course of work is as follows: input
Axis 12 rotates, and drives two groups of small oil tanks 15 to rotate on overhead cam 10 and lower cam 8, the small oil tank piston rod of two groups of small oil tanks 15
15-2 replaces stretching motion on overhead cam 10 and the cam contour of lower cam 8 to drive vibrating shaft 1 to vibrate up and down.It is specific and
Speech, input shaft 12 rotate under external drive motors drive, and while input shaft 12 rotates, two groups of small oil tanks 15 thereon exist
It is rotated on corresponding cam, at this time cam of the small oil tank piston rod 15-2 of two groups of small oil tanks 15 in overhead cam 10 and lower cam 8
Replace stretching motion on profile, so that the hydraulic oil 16 in the piston cylinder of input shaft 12 drives the reciprocal vibration up and down of vibrating shaft 1
It is dynamic, since rotation preventive mechanism limits the rotation of vibrating shaft 1, it is achieved that the rotary motion of input shaft 12 is converted to vibrating shaft
1 fluid pressure type is of reciprocating vibration.
Input shaft and vibrating shaft are dexterously utilized piston cylinder knot by a kind of Electrolyzed Processing straight-line oscillation device of the invention
Structure connection, while realizing that vibrating shaft up and down reciprocatingly straight-line oscillation is realized in the variation in hydraulic oil space in piston cylinder using cam structure
Movement, and due to being additionally provided with spline structure between vibrating shaft and cabinet, so that vibrating shaft is not rotated and is only done straight with input shaft
Line is of reciprocating vibration, and the rotary motion of driving motor is converted to linear vibration, and Oscillation Amplitude is i.e. controllable by cam locus,
With hydraulicdriven buffer damping effect, and without complicated hydraulic control system, structure designs simple and compact, using flexible
It is convenient, greatly meet the straight-line oscillation needs of Electrolyzed Processing.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of Electrolyzed Processing straight-line oscillation device, it is characterised in that: including cabinet (5), input shaft (12), vibrating shaft (1),
Lower cam (8), overhead cam (10) and small oil tank (15), the input shaft (12) rotational installation is in cabinet (5), the vibration
Moving axis (1) and input shaft (12) are coaxially installed on cabinet (5), and are additionally provided with spline structure between vibrating shaft (1) and cabinet (5),
One end of the input shaft (12) has a piston cylinder, and one end of the vibrating shaft (1) has one and above-mentioned piston cylinder
Piston cylinder is divided into closed rodless cavity and rod chamber, the cylinder body side of the piston cylinder by the piston matched, the piston
Wall is equipped with two groups of small oil tanks (15) communicated respectively with rodless cavity and rod chamber, is full of liquid in the rodless cavity and rod chamber
Pressure oil (16), the overhead cam (10) and lower cam (8) are individually fixed in cabinet (5), and overhead cam (10) and lower cam
(8) cam contour all has not journey profile (8-1) and impulse stroke profile (8-2), the cam wheel of the overhead cam (10)
Exterior feature offsets with the small oil tank piston rod (15-2) for the small oil tank (15) for being connected to rodless cavity, the cam contour of the lower cam (8)
It offsets with the small oil tank piston rod (15-2) for the small oil tank (15) for being connected to rod chamber；
When the small oil tank piston rod (15-2) of the small oil tank (15) of connection rodless cavity is in the impulse stroke profile of overhead cam (10)
When (8-2), the small oil tank piston rod (15-2) for being connected to the small oil tank (15) of rod chamber stops journey profile just at lower cam (8)
(8-1)；When the small oil tank piston rod (15-2) of the small oil tank (15) of connection rodless cavity is in the not journey profile (8- of overhead cam (10)
1) when, it is connected to impulse stroke wheel of the small oil tank piston rod (15-2) just at lower cam (8) of the small oil tank (15) of rod chamber
Wide (8-2).
2. a kind of Electrolyzed Processing straight-line oscillation device according to claim 1, it is characterised in that: the small oil tank
It (15) include small oil tank cylinder body (15-1) and small oil tank piston rod (15-2), the small oil tank cylinder body (15-1) and input shaft
(12) piston cylinder is connected through a screw thread, and it is convex under afterwards that the small oil tank piston rod (15-2) passes through small oil tank cylinder body (15-1)
The cam contour of wheel (8) and overhead cam (10) matches.
3. a kind of Electrolyzed Processing straight-line oscillation device according to claim 2, it is characterised in that: the lower cam
(8) and on the cam contour of overhead cam (10) sliding slot, small oil tank piston rod (15-2) end of the small oil tank (15) are all had
Portion is equipped with the ball (15-3) matched with above-mentioned sliding slot.
4. a kind of Electrolyzed Processing straight-line oscillation device according to claim 1 or 2 or 3, it is characterised in that: described is upper
Cam (10) is identical with the cam profile of lower cam (8), stops journey profile (8-1) and impulse stroke profile (8-2) is
Semicircle, and not journey profile (8-1) and the impulse stroke profile junction (8-2) are seamlessly transitted using arc.
5. a kind of Electrolyzed Processing straight-line oscillation device according to claim 4, it is characterised in that: the overhead cam
(10) identical with cam contour phase of the lower cam (8) in cabinet (5), it is matched with overhead cam (10) and lower cam (8)
Installation site of two groups of small oil tanks (15) on the piston cylinder of input shaft (12) is mutually in 180 °.
6. a kind of Electrolyzed Processing straight-line oscillation device according to claim 5, it is characterised in that: the input shaft
(12) it is installed on the upper end cover (14) of cabinet (5) by bearing of input shaft (11), the upper end cover is additionally provided with use on (14)
Bearing cap (13) in fixed bearing of input shaft (11)；The vibrating shaft (1) is installed on cabinet by thrust ball bearing (18)
(5) it on, and is additionally provided with and is sheathed on vibrating shaft (1) between thrust ball bearing (18) and the piston cylinder end cap (7) of input shaft (12)
Axle sleeve (6).
7. a kind of Electrolyzed Processing straight-line oscillation device according to claim 6, it is characterised in that: the spline structure
Including right anti-rotation block (4) and left anti-rotation block (19), the right anti-rotation block (4) is identical with the structure of left anti-rotation block (19), has
Have rotation stop groove (4-1), the vibrating shaft (1) is equipped with opposite with above-mentioned right anti-rotation block (4) and left anti-rotation block (19) position
The rotation stop platform (1-1) answered, the right anti-rotation block (4) and left anti-rotation block (19) are both secured on cabinet (5), and right anti-rotation block
(4) and rotation stop groove (4-1) obvolvent of left anti-rotation block (19) is on the rotation stop platform (1-1) of vibrating shaft (1).
8. a kind of Electrolyzed Processing straight-line oscillation device according to claim 7, it is characterised in that: the cabinet (5)
Lower cover (3) be equipped with the straight-line ball flange (2) that matches with vibrating shaft (1).
9. a kind of Electrolyzed Processing straight-line oscillation device according to claim 1, it is characterised in that: the course of work is as follows:
Input shaft (12) rotation, drives two groups of small oil tanks (15) to rotate on overhead cam (10) and lower cam (8), two groups of small oil
The small oil tank piston rod (15-2) of cylinder (15) replaces stretching motion on overhead cam (10) and the cam contour of lower cam (8) to drive
Dynamic vibrating shaft (1) vibrates up and down.
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| CN110539043B (en) * | 2019-09-26 | 2020-10-30 | 哈尔滨理工大学 | Electrolytic machining vibration feed motion realization device |
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| WO2010049969A1 (en) * | 2008-10-28 | 2010-05-06 | 三菱電機株式会社 | Electric discharge machine |
| CN201346656Y (en) * | 2009-01-09 | 2009-11-18 | 北京理工大学 | Electrolytic machine tool with a gear box |
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