CN106735311B - Pneumatic clamping formula center lathe - Google Patents
Pneumatic clamping formula center lathe Download PDFInfo
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- CN106735311B CN106735311B CN201611211898.2A CN201611211898A CN106735311B CN 106735311 B CN106735311 B CN 106735311B CN 201611211898 A CN201611211898 A CN 201611211898A CN 106735311 B CN106735311 B CN 106735311B
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- pneumatic
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- sleeve
- output shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/06—Turning-machines or devices characterised only by the special arrangement of constructional units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/04—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by fluid-pressure or pneumatic power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a kind of Pneumatic clamping formula center lathes, and including pneumatic impact spanner and pneumatic jacking device, pneumatic impact spanner includes pneumatic drill gun, and the drill bit of pneumatic drill gun is replaced by columned first connecting rod, and first connecting rod is connected with the second connecting rod stretched into driving end；The inserting end of second connecting rod is equipped with circular arc sheet body, and the arc-shaped groove for being equipped with spring is equipped in the bottom for stretching into hole；When second connecting rod is stretched into driving end and turns to suitable position, spring is compressed, and the arc end of circular arc sheet body connects with one end end face of the arc-shaped groove equipped with spring.Pneumatic jacking device includes tailstock and top, and the inside of tailstock is equipped with sealing ring embedded with sleeve in the right side of sleeve lining；It is equipped in the output shaft end of cylinder top；Sleeve lining is equipped with spiral groove, and spiral groove gradually extends and expands to the left from the right end of sleeve；The surface of output shaft is equipped with several circle grooves.The lathe can quickly realize the clamping of workpiece, efficiently control the clamping dynamics of workpiece.
Description
Technical field
The invention belongs to technical field of mechanical processing more particularly to a kind of center lathes.
Background technology
Lathe occupies very important status in metal cutting process, and common lathe is classified by its degree of automation,
There are mainly two types of, a kind of is the numerically controlled lathe using servo system control, and another kind is center lathe, and either numerically controlled lathe is also
It is center lathe, is designed with spindle box a as shown in Figure 1, chuck S1, machine tool guideway b, the tailstock 1 equipped with top system c, leads to
The head of a bed on normal lathe is equipped with above-mentioned chuck S1, and tailstock is equipped with tailstock 1, and tailstock 1 is equipped with top system c, in the top system c
Top c1 settings parallel with the guide rail b of lathe, the top thread connection between tailstock 1 either directly using leading screw and general
Conical tip is processed into as top c1 in its end, and the tail end of leading screw is equipped with handwheel, and workpiece e is generally placed on chuck S1 by when processing
Between top c1, workpiece one end is clamped with the chuck S1 coaxial with lathe spindle, then shaking handwheel manually feeds leading screw, will
Top c1 withstands on the other end of workpiece e, so as to turning.Since workpiece shapes size and material are different, required pressure is not yet
Identical, hand shaken handwheel adjusts the amount of feeding of top c1, can not hold its pressure, easily part top deformed or
It is that pressure not enough causes top one end of workpiece in working angles to shake, causes clamping unstable, so as to add workpiece
Work error becomes larger, and such case is occurred especially in slewing parts, such as common axial workpiece.On the other hand, due to top
Sharp c1 is exposed under processing link, iron filings dust, impurity is becomed easily infected by, when existing top use lead screw transmission is fed, easily iron
Bits dust is brought into the threaded hole in pedestal, and clamping stagnation or leading screw is caused to deviate, so as to make it is top with chuck axis not same
On straight line, workpiece stress is unstable, causes mismachining tolerance overproof.The control errors of current machined part, mostly from cutter
Quality, chuck clamping or cutting process on find reason and improve machining accuracy, the influence for top c1 is in addition to easy
Except ignored, lack one of adoptable suitable top and reason.
In addition, above-mentioned scroll chuck (chuck S1) clamps workpiece, shaft-like workpiece is especially clamped；At present for scroll chuck
Clamping, release generally use cross-brace as shown in Figure 2, the driving end S202 of spanner is made to be inserted into the rectangular of chuck 1
In driving hole S102, then human hand rotates after holding the holding rod S201 of spanner, and the thread mechanism in scroll chuck is driven to make claw
S101 is clamped or release.The mode of this adjustment section chuck elasticity has continued to use decades, however, using process
In, on the one hand, it is manually pulled due to taking, time-consuming and laborious, inefficiency；On the other hand the defects of maximum and herein, it is exactly
The dynamics for pulling chuck S1 can not manually be grasped, so as to cause workpiece e is excessively clamped and deform or the axis of clamping occur
Offset, thus generates huge machining accuracy error.
Invention content
It is an object of the invention to solve above-mentioned technical problem, a kind of Pneumatic clamping formula center lathe is provided, which can
The quick clamping for realizing chuck to workpiece, release, and the clamping dynamics of workpiece is efficiently controlled, improve the Set and Positioning of workpiece
Precision；The top pressure to workpiece is adjusted simultaneously, and improves the top concentricity with lathe spindle, makes workpiece stress more equal
It is even, steady.
Technical scheme is as follows：
A kind of Pneumatic clamping formula center lathe, the chuck being connected including spindle box and with the main shaft in spindle box, positioned at machine
Top tailstock is equipped on bed guide rail；The chuck is equipped with driving hole；Pneumatic system is further included, the pneumatic system includes
Cylinder, the compressed gas delivery outlet of cylinder is connected by control valve with three-way valve, between the control valve and three-way valve
Pipeline be equipped with accurate gas gauge, two gas outlets of the three-way valve for adjusting chuck respectively with clamping, releasing
The pneumatic impact spanner put is connected with for the pneumatic jacking device of top tight workpiece；
The pneumatic impact spanner includes pneumatic drill gun, is equipped with annulus in the handle end of pneumatic drill gun, the pneumatic gun drills through
The annulus is crossed to hang on the hook of spindle box hull outside；The drill bit of the pneumatic drill gun is replaced by columned first and connects
Bar, the first connecting rod are connected with second connecting rod, and the second connecting rod is more than the cylindrical shaft of first connecting rod for one section of diameter, and second
Connecting rod can be stretched into in the matched driving end of driving hole on chuck, Kong Weiyuan is stretched into for what second connecting rod stretched on driving end
Column blind hole；
Circle of the axis using second connecting rod as axis of one section of protrusion is equipped on the end face of the inserting end of the second connecting rod
Arcs body, the radian of the circular arc sheet body are less than π, and the arc-shaped that the radian that recess is equipped in the bottom for stretching into hole is π is recessed
Slot, and it is equipped with spring, the circle of the axis of the spring along arc-shaped groove in one of arc end of the arc-shaped groove
Circumferential direction is extended；
When second connecting rod is stretched into driving end and turns to suitable position, the spring is compressed, and the arc plate
The arc end of body is equipped with the end face close proximity of one end of spring with arc-shaped groove, is connected as a single entity with the inner wall of driving end, from
And the driving end is driven to rotate.
The pneumatic jacking device include the tailstock, tailstock inner tight be embedded with the set coaxial with lathe spindle
Cylinder, sealing ring is equipped in the right side of the sleeve lining, and the sleeve is stretched out in described sealing ring one end；In the output shaft of cylinder
End coaxially be equipped with it is described top, it is described it is top with output shaft diameter it is identical and with output shaft integrated molding, the output shaft
The sealing ring is passed through, and can the telescopic moving in sleeve after stretching into sleeve；The sleeve lining is equipped with what is cooled down for chip removal
Spiral groove, using tailstock close to one end of workpiece as right end, then the spiral groove gradually extends simultaneously to the left from the right end of sleeve
Expand, the left end side wall of sleeve and tailstock is finally pierced by, so that output shaft discharges its own institute's band in sleeve during telescopic moving
The iron filings dust and air-flow entered；The surface of the output shaft is equipped with several circle grooves, often encloses the notch edges and output shaft of groove
Equal rounding off, the slot bottom are the circular-arc bottom face being recessed inwardly between periphery, between cell wall and slot bottom.
Further, one end of the spring stretch into and be fixed on it is described stretch into the inner wall in hole, the other end is located at described
On arc-shaped groove and it is fixed with one piece of round tablet identical with spring outer diameter.
Further, the spring stretches at the aperture for stretching into hole inner wall and is equipped with one section of circular arc baffle, is close to described
Arc-shaped groove inner wall sets and is connected as a single entity with the inner wall, correspondingly, is equipped with and can cover in the arc end of the circular arc sheet body
Arc notch on circular arc baffle.
Further, the radian of the circular arc sheet body is 1/2 π, and the spring is located at the radian on the arc-shaped groove
For 1/4 π.
Further, round and smooth mistake between the notch edges of the spiral groove and sleeve lining, between cell wall and slot bottom
It crosses, the slot bottom is the circular-arc bottom face being recessed inwardly.
Further, the top rounding off between output shaft connects.
Further, the sealing ring cross section is in isosceles trapezoid.
Further, the top taper inner be equipped with ball made of hard alloy, the ball with it is top coaxial.
Further, the spiral groove is equipped with a plurality of, and spacing distance is equal to the output shaft between every spiral groove
Diameter.
Further, the spiral groove is not more than along the cone angle of the formed cone-shaped structure of sleeve lining axis extension
10 degree.The helical angle of the spiral groove is 35 degree to 45 degree.The cylinder is connected with detecting the pressure sensor of cylinder pressure,
The sensor is with controlling the PLC of buzzer to be connected.
Beneficial effects of the present invention：Existing pneumatic power drill is improved by the present invention, and the drill bit of former power drill is replaced
The first connecting rod of the present invention is changed to, and first connecting rod is connected with the second connecting rod more than its diameter, first connecting rod use is smaller
Axis to connect with drill gun, larger second connecting rod be used for and driving end coordinate；Using convex between second connecting rod and driving end
Connection is realized in the circular arc sheet body of the arc-shaped gone out and the arc-shaped groove socket joint cooperation of recess, transmits torque, and in the two phase
Spring is equipped between the circular arc end face connect, to play the role of bumper and absorbing shock, because when with pneumatic drill gun, connecting rod is to add suddenly
Speed rotation, scroll chuck can be caused to impact, damage the threaded adjusting mechanism inside scroll chuck, while apply suddenly huge
Big clamping force also can generate damage to workpiece.Therefore, spring has effectively acted as the work of bumper and absorbing shock when starting spanner startup
With torsion being made gradually to be transferred to the threaded adjusting mechanism of scroll chuck, and make workpiece in a relatively short period of time can be by gradually, steadily
Ground clamps, and reduces rigid shock damage.
The present invention also pushed using cylinder it is top come top to push instead of traditional shake handwheel, will be with the feeling top of people
Clamping of workpieces becomes to determine power top tight workpiece by setting cylinder thrust, make workpiece hold out against stress more it is intuitive controllably, can according to not
Optimal pressure is adjusted with workpiece demand；Can also according to processing when cylinder air pressure value minor change come judge workpiece whether clamping
Loosely, once because workpiece loosening necessarily causes the suddenly change of atmospheric pressure value in cylinder.For ensure it is top can be with lathe spindle
Coaxially, it is deformed due to clamping stagnation when avoiding top mobile or beat occurs, give full play to the above-mentioned advantage pneumatically held out against, spy is in tail
The sleeve with spiral groove is provided in seat, and the sealing ring for stretching out end face is set in sleeve right end, this is because top work
During complete rollback, output shaft will retract in sleeve to the left, and therefore, correspondingly, the present invention is special (to push up spiral groove from the right end of sleeve
One end for being closed on of point) gradually extend and expand to the left, be finally pierced by the left end side wall of sleeve and tailstock, so as to chip removal with disappearing
Gas ensures that output shaft can steady stretching motion；While sleeve chip removal gettering action itself is promoted, the present invention is also by output shaft
Make surface have it is several circle grooves structures, further matched with spiral groove, realize chip removal cool down, ensure output shaft and
It is coaxial with lathe spindle always during top movement together, coordinate the ring flange on main shaft that workpiece is ideally held out against clamping, for essence
True ground workpieces processing establishes solid foundation.
Description of the drawings
Fig. 1 is existing center lathe structure diagram.
Fig. 2 is existing cross-brace structure diagram.
Fig. 3 is the structure diagram of the present invention.
Fig. 4 is pneumatic spanner structure schematic diagram.
Fig. 5 is the inserting end end view of second connecting rod.
Fig. 6 is driving end vertical view.
Fig. 7 is enlarged view at the I in Fig. 6.
Fig. 8 is A-A sectional views in Fig. 7.
Fig. 9 is B-B sectional views in Fig. 7.
Figure 10 is C-C sectional views in Fig. 9.
Figure 11 is the inserting end end view for setting second connecting rod jaggy.
Figure 12 is the structure diagram of pneumatic jacking device.
Figure 13 is sealing ring mounting structure enlarged view.
Figure 14 is spiral groove path schematic diagram.
Figure 15 is the structure diagram for setting reeded output shaft.
Figure 16 is each edge rounding off schematic diagram of spiral groove.
The local appearance schematic diagram of pneumatic jacking device when Figure 17 is equipped with a plurality of spiral groove.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
The invention will be further described with reference to the accompanying drawings and examples：
As shown in figure 3, a kind of Pneumatic clamping formula center lathe, is connected including spindle box a and with the main shaft in spindle box a
Chuck S1 is equipped with top tailstock 1 on machine tool guideway b；The chuck S1 is equipped with driving hole S10.With it is existing common
Lathe except that；Pneumatic system 13 is further included, the pneumatic system 13 includes cylinder, the compressed gas delivery outlet 14 of cylinder
It is connected by control valve 15 with three-way valve 17, accurate gas is equipped on the pipeline between the control valve 15 and three-way valve 17
Body pressure gauge 16, two gas outlets of the three-way valve 17 respectively with being clamped for adjusting chuck S1, the pneumatic impact spanner of release
18 are connected with for the pneumatic jacking device f of top tight workpiece e, for being driven to pneumatic impact spanner 18 and pneumatic jacking device f inputs
Compressed gas, wherein three-way valve 17 are connected by first pipe 19 with the quick-release connector of pneumatic impact spanner 18, pass through second pipe
20 are connected with the quick-release connector of pneumatic jacking device, and second pipe 20 is preferably arranged in casing along the machine tool track b parts laid,
First pipe 19 preferably uses softer high-pressure plastic pipe, and sets an annulus in the handle tail of pneumatic impact spanner 18, to hang
On the hook of the front shell of Lathe Spindle Box a, convenient for taking.
As shown in Fig. 4-9, the pneumatic impact spanner includes pneumatic drill gun S5, and the drill bit of the pneumatic drill gun S5 is replaced by
Columned first connecting rod S3, the first connecting rod S3 are connected with second connecting rod S4, and the second connecting rod S4 is big for one section of diameter
In the cylindrical shaft of first connecting rod S3；The end of bit bore can be processed into and the by first connecting rod S3 on the basis of former drill bit structure
Two connecting rod S4 be connected socket joint connection corresponding construction, as drill bit end for square or triangle, correspondingly, second connecting rod S4
The hole of setting square or triangle.Second connecting rod S4 can be stretched into and the matched driving end S202 of driving hole S102 on chuck
It is interior, hole is stretched into as cylindrical hole for what second connecting rod S4 was stretched on driving end S202.In the inserting end end face of the second connecting rod S4
Circular arc sheet body S401 of the axis using second connecting rod S4 as axis of one section of protrusion is equipped with, the radian of the circular arc sheet body S401 is small
In π, the radian that recess is equipped in the bottom for stretching into hole is the arc-shaped groove S20201 of π, and the sum of the two radian is less than 2 π,
So that second connecting rod S4 can be more smoothly inserted into S202 at hand, and hold arc-shaped groove S20201 and circular arc sheet body S401
Insert occlusion.In addition, also spring S6, the axis of the spring S6 are equipped in one of arc end of the arc-shaped groove S20201
Line is extended along the circumferencial direction of arc-shaped groove S20201.When second connecting rod S4 is stretched into driving end S202 and turns to conjunction
When right position is put, the spring S6 is compressed, and the arc end of the circular arc sheet body S401 is equipped with bullet with arc-shaped groove S20201
The end face close proximity of one end of spring S6, is connected as a single entity with the inner wall of driving end S202, so as to which the driving end S202 be driven to turn
It is dynamic.
As shown in figure 12, the pneumatic jacking device, including tailstock 1 and top 2, in addition to the pneumatic system of above-mentioned setting
13, the present invention can also set the cylinder 3 of individually adjustable output pressure, cylinder 3 and pneumatic ball valve in the left end of the tailstock 1
It is connected, cylinder 3 is connected with another accurate gas gauge, for detecting the pressure that cylinder 3 pushes output shaft 6, makes pneumatically to push up
Tight device f and the power source of pneumatic impact spanner 18 can be separated from each other.Tailstock 1 inner tight be embedded with lathe spindle it is coaxial
Sleeve 4, sealing ring 5 is equipped in the right side of 4 inner wall of sleeve, described 5 one end of sealing ring is stretched out the sleeve 4, such as schemed
Shown in 13, outreach D is set as needed.Cylinder 3 output shaft 6 end coaxially be equipped with described top 2, it is described
Top 2 it is identical with 6 diameter of output shaft and with output shaft be integrally formed, make when can directly be processed in the end of output shaft 6
Top 2 conical structure.The output shaft 6 stretches into and the sealing ring 5 is passed through after sleeve 4, and can the telescopic moving in sleeve 4,
So that output shaft 6 and top 2 remove extraneous iron filings dust impurities when shrinking mobile at sealing ring 5, this is also sealing
The reason of sleeve 4 are stretched out in 5 one end is enclosed, primarily to removing iron filings dust except the interior hole end surface of sleeve 4, is avoided
It brings into hole.4 inner wall of sleeve is equipped with the spiral groove 7 cooled down for chip removal, using tailstock close to one end of workpiece as right end
(left and right end i.e. herein with the left end shown in Figure 12 and right end on the contrary, the left end (one end for setting cylinder 3) in Figure 12 actually
Right end when being mounted on lathe), then the spiral groove 7 gradually extends and expands to the left from the right end of sleeve 4, spiral
Path is as shown in figure 14, i.e., as viewed from left end, the left view of spiral groove 7 is in " mosquito-repellent incense shape ", and the spiral batten of " mosquito-repellent incense "
(being similar to groove herein) gradually becomes larger.7 end of spiral groove is finally pierced by the side wall of the left end of sleeve 4 and tailstock 1, row
It is 701 to consider hole to be worth doing, so that output shaft 6 discharges its own iron filings dust and air-flow for being brought into sleeve 4 during telescopic moving.Such as figure
Shown in 15, the surface of the output shaft 6 is equipped with several circle grooves 8, often enclose groove 8 notch edges and output shaft periphery it
Between, equal rounding off between cell wall and slot bottom, the slot bottom is the circular-arc bottom face being recessed inwardly.
Further, one end of the spring S6 stretch into and be fixed on it is described stretch into the inner wall in hole, the other end is located at institute
It states on arc-shaped groove S20201 and is fixed with one piece of round tablet S7 identical with spring S6 outer diameters.To fix spring
S6, avoiding spring S6, fixing end is unstable when compressed, shakes excessive.
Further, as shown in Fig. 7,9-11, the spring S6 is stretched at the aperture for stretching into hole inner wall and is equipped with one section
Height value is the circular arc baffle S20202 of spring S6 outer radius, be close to arc-shaped groove S20201 inner walls setting and with it is described
Inner wall is connected as a single entity, and correspondingly, the arc that can be covered on circular arc baffle S20202 is equipped in the arc end of the circular arc sheet body S401
V notch v S40101 makes circular arc baffle S20202 and arc-shaped groove S20201 form a small stair again, is equivalent to setting
The guide groove of one spring S6, preferably plays the role of restricted guidance to spring S6, prevents spring S6 sideslips；And circular arc baffle
The height of S20202 is the excessive height that spring S6 outer radius is because of circular arc baffle S20202, and arc notch S40101 covers on circle
It cannot be closed after arc baffle S20202 with the bottom hole face paste for stretching into hole, influence power transmission effect.
Further, the radian of the circular arc sheet body S401 is 1/2 π, and the spring S6 is located at the arc-shaped groove
Radian on S20201 is 1/4 π, in this way, the compressible radian of spring S6 can be up to 1/4 π, i.e. spring S6
The radian of extended driving end S202 is 1/4 π, and decrement is moderate, and spring S6 bendings caused by avoiding amount to be compressed long are got rid of
Go out arc-shaped groove S20201 or it is too short when cannot play the role of sufficient buffer shock-absorbing.
Further, as shown in figure 16, between 4 inner wall of the notch edges of the spiral groove 7 and sleeve, cell wall and slot bottom
Between equal rounding off, the slot bottom is the circular-arc bottom face being recessed inwardly, and to eliminate the internal stress of spiral groove 7, prevents spiral shell
Rotation groove 7 cracks, while when 6 retraction sleeve 4 of output shaft, and the iron filings dust on output shaft 6 enters the spiral groove in sleeve 4
In 7, deslagging exhaust is more smoothly at the spiral groove 7 of each rounding off.
Further, between 4 inner wall of above-mentioned notch edges and sleeve on the basis of rounding off, described top 2 with it is defeated
Rounding off connects between shaft 6, can prevent the notch edges of the interface edge and spiral groove 7 between top 2 and output shaft 6
Interfere, convenient for 6 smooth stretching motion of output shaft.
Further, the cross section of the sealing ring 5 is in isosceles trapezoid, stretches out the side waist of 4 right end of sleeve effectively
Iron filings dust on output shaft 6 is kept off except sleeve 4.
Further, top 2 taper inner is equipped with ball 9 made of hard alloy, the ball 9 and top 2
Coaxially, in order to avoid directly going to collapse point during top tight workpiece using existing coniform top tip, clamping is caused to hold out against by shadow
It rings.
Further, as shown in figure 17, the spiral groove 7 is equipped with a plurality of, and is correspondingly provided with multiple chip-removal holes 701,
Between every spiral groove 7 spacing distance be equal to the output shaft 6 diameter, by spiral groove 7 be set as interval it is a plurality of and
Non- one it is whole be since whole spiral groove 7 is since development length is long, be easy to cause iron filings dust midway somewhere squeeze and hinder
It is disconnected, particularly with smaller top 2 (output shafts 6)；And the classification chip removal of spiral groove 7, then this defect can be avoided as possible,
It is practical during for the less workpiece in slightly smaller top 2 and cutting iron filings dust, and a point a plurality of spiral groove 7 is arranged, by
Shorter in the axial length of every spiral groove 7, groove extensive magnitude is also corresponding smaller, just adapts to the row of a small amount of iron filings dust
It removes.
Further, as shown in figure 14, the coniform wheel that the spiral groove 7 is formed along the extension of 4 inner wall axis of sleeve
The cone angle of wide structure is not more than β=10 degree, to prevent the notch of spiral groove 7 from influencing intensity as extension is opened too much, and
When between 0 to 10 degree, iron filings transmission effect is preferable.The helical angle of the spiral groove 7 is 35 degree to 45 degree, and the helical angle is straight
Connect the deslagging performance for being related to spiral groove 7, with reference to above-mentioned cone-shaped structure cone angle no more than 10 degree of the parameter designing spiral shell
The chip removal gettering action of spiral groove 7 can be played more preferably by this range of swing angle.The cylinder 3 and detection 3 pressure of cylinder
Pressure sensor 10 is connected, and the pressure sensor 10 is detected with the PLC11 of buzzer 12 is controlled to be connected in pressure sensor 10
Into the course of work during pressure change, 12 alarm worker of buzzer checks clamping situation.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of Pneumatic clamping formula center lathe, the chuck being connected including spindle box and with the main shaft in spindle box, positioned at lathe
Top tailstock is equipped on guide rail；The chuck is equipped with driving hole；It is characterized in that：Further include pneumatic system, the gas
Dynamic system includes cylinder, and the compressed gas delivery outlet of cylinder is connected by control valve with three-way valve, in the control valve and three
Pipeline between port valve door is equipped with accurate gas gauge, and two gas outlets of the three-way valve for adjusting respectively with blocking
Chuck clamping, the pneumatic impact spanner discharged are connected with for the pneumatic jacking device of top tight workpiece；
The pneumatic impact spanner includes pneumatic drill gun, is equipped with annulus in the handle end of pneumatic drill gun, the pneumatic gun drilled through this
Annulus is hung on the hook of spindle box hull outside；The drill bit of the pneumatic drill gun is replaced by columned first connecting rod, institute
It states first connecting rod with second connecting rod to be connected, the second connecting rod is more than the cylindrical shaft of first connecting rod, second connecting rod for one section of diameter
It is that cylinder is blind that can stretch into and the hole of stretching into that second connecting rod stretches into is supplied in the matched driving end of driving hole on chuck, on driving end
Hole；
Arc plate of the axis using second connecting rod as axis of one section of protrusion is equipped on the end face of the inserting end of the second connecting rod
Body, the radian of the circular arc sheet body are less than π, and the radian that recess is equipped in the bottom for stretching into hole is the arc-shaped groove of π, and
Spring, the circumferencial direction of the axis of the spring along arc-shaped groove are equipped in one of arc end of the arc-shaped groove
It is extended；
When second connecting rod is stretched into driving end and turns to suitable position, the spring is compressed, and the circular arc sheet body
Arc end is equipped with the end face close proximity of one end of spring with arc-shaped groove, is connected as a single entity with the inner wall of driving end, so as to band
The dynamic driving end rotation；
The pneumatic jacking device includes the tailstock, tailstock inner tight embedded with the sleeve coaxial with lathe spindle,
Sealing ring is equipped in the right side of the sleeve lining, the sleeve is stretched out in described sealing ring one end；At the output shaft end of cylinder
End be coaxially equipped with it is described top, it is described top identical with output shaft diameter and with output shaft integrated molding, the output shaft stretches
The sealing ring is passed through, and can the telescopic moving in sleeve after entering sleeve；The sleeve lining is equipped with the spiral shell cooled down for chip removal
Revolve groove, using tailstock close to one end of workpiece as right end, then the spiral groove gradually extends and expands to the left from the right end of sleeve
Greatly, the left end side wall of sleeve and tailstock is finally pierced by, its own is discharged during telescopic moving in sleeve so as to output shaft and is brought into
Iron filings dust and air-flow；The surface of the output shaft is equipped with several circle grooves, often encloses outside notch edges and the output shaft of groove
Equal rounding off, the slot bottom are the circular-arc bottom face being recessed inwardly between disc, between cell wall and slot bottom.
2. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：One end of the spring is stretched into and is fixed
In the inner wall for stretching into hole, the other end be located on the arc-shaped groove and be fixed with one piece it is identical with spring outer diameter
Round tablet.
3. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The spring stretches into described stretch into hole
The circular arc baffle that one section of height value is spring outer radius is equipped at the aperture of wall, the circular arc baffle is close to the arc-shaped groove
Inner wall sets and is connected as a single entity with the inner wall, and correspondingly, circular arc baffle can be covered on by being equipped in the arc end of the circular arc sheet body
On arc notch.
4. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The radian of the circular arc sheet body is 1/2
π, the radian that the spring is located on the arc-shaped groove are 1/4 π.
5. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The notch edges of the spiral groove with
Equal rounding off, the slot bottom are the circular-arc bottom face being recessed inwardly between sleeve lining, between cell wall and slot bottom.
6. according to claim 1 or the Pneumatic clamping formula center lathe, it is characterised in that：The top circle between output shaft
It slips over to cross and connect.
7. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The sealing ring cross section is in isosceles ladder
Shape.
8. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The top taper inner is equipped with hard
Ball made of matter alloy, the ball with it is top coaxial.
9. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The spiral groove be equipped with it is a plurality of, often
Spacing distance is equal to the diameter of the output shaft between spiral groove.
10. Pneumatic clamping formula center lathe according to claim 1, it is characterised in that：The spiral groove is along sleeve lining
The cone angle that axis extends formed cone-shaped structure is not more than 10 degree；The helical angle of the spiral groove is 35 degree to 45 degree；
The cylinder is connected with detecting the pressure sensor of cylinder pressure, and the sensor is with controlling the PLC of buzzer to be connected.
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| CN110044283A (en) * | 2019-04-25 | 2019-07-23 | 郑州郑大智能科技股份有限公司 | A kind of inside diameter detection device and its measurement method |
| CN114799241B (en) * | 2022-05-24 | 2023-10-27 | 河南航天液压气动技术有限公司 | High-precision pneumatic tailstock for machining center |
| CN115139133A (en) * | 2022-06-16 | 2022-10-04 | 杭州亚太智能装备有限公司 | Feeding and discharging structure of flexible blade processing robot |
| CN114940239B (en) * | 2022-06-28 | 2024-07-19 | 江苏科技大学 | Towing device and tugboat |
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Effective date of registration: 20200618 Address after: 402260 No.13 Xiangfu Avenue, Shuangfu street, Jiangjin District, Chongqing Patentee after: Chongqing wanmg Magnesium Products Co., Ltd Address before: 402260 Jiangjin District, Chongqing Fu Industrial Park, the relocation of the integrated building A District, building 2-2, No. 1 Patentee before: CHONGQING DEYUN MOULD MANUFACTURING Co.,Ltd. |