CN109940428A - A kind of crank axle for vessel hydraulic self-centering clamp system - Google Patents
A kind of crank axle for vessel hydraulic self-centering clamp system Download PDFInfo
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- CN109940428A CN109940428A CN201711392734.9A CN201711392734A CN109940428A CN 109940428 A CN109940428 A CN 109940428A CN 201711392734 A CN201711392734 A CN 201711392734A CN 109940428 A CN109940428 A CN 109940428A
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- rack gear
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- crank axle
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Abstract
The present invention discloses a kind of crank axle for vessel hydraulic self-centering clamp system, including bottom plate, and Plane Installation has oil cylinder, V shape iron on bottom plate, and bottom plate lower plane is fixed with Heavy-Duty Numerical Control Planer Type Milling Machine workbench；Up and down slideway is set on the V shape iron, passive rack gear and active rack gear are respectively set in up and down slideway；Middle transition gear is set between the active rack gear and passive rack gear, and the middle transition gear is engaged with active rack gear and passive rack gear；Oil cylinder is connect with the left end of active rack gear；Lever construction is arranged in the right end of active rack gear, and the lever construction connects with parallelogram lindage and has the inclined-plane of the mobile pressing plate of parallel four side structure to abut with workpiece；Same lever construction and parallelogram lindage is arranged in the left end of the passive rack gear；Advantages of the present invention: crankshaft once completes positioning and clamping on V shape iron, increases the stability of crankshaft clamping, guarantees on crank axle for vessel crank arm, the machining accuracy of plane needed for clump weight is installed in milling.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of crank axle for vessel hydraulic self-centering clamp system.
Background technique
The manufacture of crank axle for vessel blank forges extrusion process, rather than die forging and Forging Technology, blank allowance using pier
It is very uneven.It equally in mechanical processing process, is also inevitably asymmetrical in shape because blank allowance is uneven, processing misses
Difference leads to deviation of gravity center rotation center, so that marine engine is generated vibration and vibration force, causes the big vibration of marine engine noise
It is big etc..With the raising of the rotation speed of crankshaft, vibration caused by unbalance dynamic is all the more fierce.So crank axle for vessel is in its crank
On arm, all Milling Process has the very high plane of a required precision, and is threaded hole, dynamic flat for installing crankshaft
The balance counterweight of weighing apparatus.In order to when crankshaft does dynamic balancing, drill and go in balance counterweight in mechanical processing process
Weight, to guarantee the dynamic balancing of crank axle for vessel.If on crank arm, the form tolerance of these clump weight mounting planes of milling and position
Tolerance grade does not meet drawing processing request, will affect installation accuracy of the clump weight on crank arm, influences clump weight installation spiral shell
The pretightning force of bolt causes the whole dynamic balance of crank axle for vessel overproof, can not guarantee the dynamic balancing index of marine engine.Song peculiar to vessel
The existing processing technology method of milling high precision plane is scribing line processing on axis crank arm:
1, now the both ends axle journal of crank axle for vessel is placed on two V shape iron brackets with idler wheel of large-scale detection platform,
Then it is whether contour that two bearing journal center lines are detected, if not contour, need to be adjusted to center line by adjusting repeatedly
It is high.Crankshaft centering crank-pin axle journals center line and trunnion center line are rotated on the same horizontal plane.
2, due to being in an angle of 90 degrees between crank axle for vessel crank-pin axle journals.So looking for crank-pin in vertical direction again
Center line of journal, that crank-pin axle journals under trunnion center line, the blank on the crank arm of the crank-pin axle journals are flat
Face is placed exactly on its trunnion center line.
3, it in the side of crank arm blank plane, near the planar dimension of milling, estimates, back and forth drawn with white chalk
It wipes, at this moment side blank surface just will appear a white trace.
4, according to trunnion survey diameter dimension, calculate milling plane arrive trunnion center line distance, with highly
Ruler marks straight line on the white trace that white chalk scratches out, this straight line seeks to the plane marker of milling.
5, on the straight line pulled, several punching points is stamped along straight line with formed punch and are marked, in order to be processed by line.
6, using above-mentioned scribble method, by repeatedly repeatedly, so that it may by whole crank arms of crank axle for vessel, need
Milling plane position has been drawn and printed label.
7, crankshaft is sling with overhead traveling crane, by the both ends axle journal of crankshaft, two be placed on Heavy-Duty Numerical Control Planer Type Milling Machine workbench
On a contour V shape iron adjusted.Crankshaft is rotated, circumferentially positioned, milling on centering crank arm is carried out with crank-pin axle journals
Plan-position guarantees that milling plane is parallel with table plane.
8, mobile pressing plate is moved on the trunnion position of crankshaft, the band shoulder with manual wrench, on moving in rotation pressing plate
Nut, clamping platen clamp crankshaft two end trunnion.
9, start lathe, disc milling cutter is moved on into milling plane position on the crank arm for want milling, centering position dimension is opened
Begin to process.Can be used according to currently available technology, but cross, clamping it is complicated for operation, it is time-consuming and laborious, human factor influence
Greatly, frequently mobile crankshaft be easy to cause and touches scuffing, and production efficiency is low, employee's operation large labor intensity, the plane of Milling Process,
Its surface shape tolerance and position of related features low precision, or even have off-gage phenomenon, this scribing line processing method are suitable only for single-piece, small quantities of
Amount production.
Summary of the invention
The object of the present invention is to provide a kind of crank axle for vessel hydraulic self-centering clamp systems, to reduce crank axle for vessel, milling
It cuts the process time of clump weight mounting plane on crank arm, realizes automatic production line processing, improve milling plane on crank arm
Size and surface shape tolerance and position of related features machining accuracy, improve production efficiency.
The technical solution adopted in the present invention is as follows:
A kind of crank axle for vessel hydraulic self-centering clamp system, including bottom plate, Plane Installation has oil cylinder, V shape iron on bottom plate,
Bottom plate lower plane is fixed with Heavy-Duty Numerical Control Planer Type Milling Machine workbench；Up and down slideway, difference in up and down slideway are set on the V shape iron
Passive rack gear and active rack gear are set；Middle transition gear, the middle transition are set between the active rack gear and passive rack gear
Gear is engaged with active rack gear and passive rack gear；Oil cylinder is connect with the left end of active rack gear；Lever is arranged in the right end of active rack gear
Structure, the lever construction connect with parallelogram lindage and have the inclined-plane of the mobile pressing plate of parallel four side structure to support with workpiece
It connects；
The lever construction includes rotor plate, and one end axis of the rotor plate and connecting plate connects, the other end of connecting plate
It is fixed on the right end of active rack gear；
The parallelogram lindage includes rotor plate, mobile pressing plate, support plate and V shape iron shell；
Rotor plate connects with mobile pressing plate, V shape iron axis respectively, and lower end and the V shape iron axis spindle of support plate connect, upper end and movement
Pressing plate shaft connects；The end of mobile pressing plate is that inclined-plane is abutted with workpiece；
Same lever construction and parallelogram lindage is arranged in the left end of the passive rack gear；
V-groove, the lower end of the V-groove carrying workpiece is arranged in the top of the V shape iron.
Bottom plate lower plane is connect by T-nut and positioning key and screw with Heavy-Duty Numerical Control Planer Type Milling Machine workbench.
The oil cylinder is connected through a screw thread bar and eccentric connecting plate and connect with the left end of the active rack gear on V shape iron.Due to
The active rack gear center height being arranged in selected standard oil cylinder center height and glide path is not on the same center line.So
It is connected using eccentric connecting plate.
The cylindrical surface side of the flank of tooth opposite direction of the active rack gear and passive rack gear is respectively designed with keyway, passes through cylinder
Positioning pin carries out circumferencial direction limit.
On the two sides V-type face of the V shape iron, quenching locating piece is mounted with by screw.
The advantages of the present invention are:
1, clamping of the invention is easy to operate, effectively increases production efficiency, can realize that automation adds in the production line
Work.
2, primary complete on V shape iron by two be arranged above V shape iron symmetrical pressing plate synchronous clamping crankshafts
At positioning and clamping, the stability of crankshaft clamping is increased, when effectively preventing Milling Process, is acted in powerful Milling Force
Under, the vibration of crankshaft guarantees on crank axle for vessel crank arm, the machining accuracy of plane needed for clump weight is installed in milling.
3, two synchronizing moving pressing plates make it be located at the outer circle master to be clamped in a thickness direction by cleverly designing
Under shaft diameter, lower than the plane of milling on crank arm, the wire rod quality of lathe can be passed through, and not have to secondary handling pressing plate,
Avoid the wire rod quality of lathe.
4, the present invention uses hydraulic-driven, by the piston rod of hydraulic cylinder, it is mobile to drive gear and rack teeth mechanism, then pass through thick stick
Linkage and parallelogram lindage, the synthesis of three kinds of mechanisms complete the reinforcement clamping function to crankshaft.
5, structure of the invention is compact, is a separate unit, can be used alone, and multiple can also use simultaneously, general
Property is good, can be adapted for the positioning and clamping of different crankshaft products.
6, the present invention in use, does not need the positioning of artificial centering and with spanner clamping pressing plate, alleviates employee's
Labor intensity.Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention
Fig. 2 is the K direction view in Fig. 1 figure
Fig. 3 is the A-A view in Fig. 1 figure
Fig. 4 is the B-B view in Fig. 1 figure
Fig. 5 is the C-C view in Fig. 1 figure
Fig. 6 is the D-D view in Fig. 1 figure
Fig. 7 is the E-E view in Fig. 1 figure
Fig. 8 is the F-F view in Fig. 1 figure
Fig. 9 is the G-G view in Fig. 1 figure
Figure 10 is the H-H view in Fig. 1 figure
In figure: the left connection branch of 1- bottom plate, 2- backing plate, 3- oil cylinder, 4- bolt, 5- whorl brace rod, 6- eccentric connecting plate, 7-
Frame, 8- active rack gear, the passive rack gear of 9-, 10-V shape iron, 11- positioning key one, 12- positioning key two, 13- gear shaft, 14- bearing,
15-T shape nut, 16- large-sized numerical control gantry milling workbench, 17- connecting rod, 18- pin shaft one, 19- check lock lever, 20- nut one,
The mobile pressing plate of 21- connecting plate, 22- nut two, the right connecting bracket of 23-, 24- rotor plate, 25- pin shaft two, 26-, 27- support plate,
28- pin shaft three, 29- quench locating piece, 30- adjusting pad, 31- screw, 32- key one, 33- anti-wearing liner, 34- cylindrical positioning pins
One, 35- cylindrical positioning pins two, 36- middle transition gear, 37- key two, 38- dottle pin.
Specific embodiment
As Figure 1-10 shows, crank axle for vessel self-centering Hydraulic Clamping Mechanism, including bottom plate 1, backing plate 2, oil cylinder 3, bolt
4, whorl brace rod 5, eccentric connecting plate 6, left connecting bracket 7, active rack gear 8, passive rack gear 9, V shape iron 10, positioning key 1,
Positioning key 2 12, gear shaft 13, bearing 14, T-nut 15, large-sized numerical control gantry milling workbench 16, connecting rod 17, pin shaft one
18, check lock lever 19, nut 1, connecting plate 21, nut 2 22, right connecting bracket 23, rotor plate 24, pin shaft 2 25, mobile pressure
Plate 26, support plate 27, pin shaft 3 28, quenching locating piece 29, adjusting pad 30, screw 31, key 1, anti-wearing liner 33, cylinder are fixed
Position key 1, cylinder positioning key 2 35, middle transition gear 36, key 2 37, dottle pin 38.The lower plane of bottom plate 1 is equipped with T shape spiral shell
Mother 15 and positioning key 2 12, are connected by screw to the upper surface of large-sized numerical control gantry milling workbench 16.The upper plane of bottom plate 1 is pacified
Equipped with backing plate 2 and oil cylinder 3 and V shape iron 10 and positioning key 1.Backing plate 2 and oil cylinder 3 are connected and fixed by bolt 4, V shape iron 10
It is installed and is connected by screw with positioning key 1.The oil cylinder 3 passes through its piston rod and whorl brace rod 5 and eccentric connecting plate
6 connect with the left side location hole of the active rack gear 8 on V shape iron 10, by the locating shaft of 6 right side protrusion of eccentric connecting plate, by spiral shell
Nail 31 is fixed in the left side location hole of active rack gear 8, is connected and is positioned with positioning key 32.The active rack gear 8 passes through intermediate mistake
It crosses gear 36 to link together with key 2 37, gear shaft 13, dottle pin 38, bearing 14 and passive rack gear 9, inside the V shape iron
There are two the ladder inner hole being parallel to each other and two vertical pin holes communicated with ladder inner hole and a vertical V for horizontal direction
There are the through-hole of an installation bearing in the U-lag in shape iron bottom surface direction, two sides vertical with U-lag.Each stepped hole point
Two regions, the hole close to V shape iron baseplane side are the two coaxial apertures 10a and 10b.Top hole in parallel is 10c
With the two coaxial apertures 10d.Anti-wearing liner 33 is fitted in this four holes.It forms close to the resistance to of V shape iron baseplane side
Mill lining sets of holes are the two coaxial apertures 33a and 33b, and top wear-resisting lining sets of holes in parallel are two coaxial apertures of 33c and 33d
Diameter.Two vertical pin holes communicated with ladder inner hole, hole of the top near V-arrangement is 10k, below on V shape iron bottom surface
Hole is 10h.U-lag hole is 10e.Vertical with U-lag to have a through-hole, design has 10f and 10g on two sides of U-lag
Coaxial aperture.Active rack gear 8 is mounted in anti-wearing liner 33a and 33b two coaxial apertures, by being mounted in the hole V shape iron 10h
Cylindrical positioning pins 1 carry out circumferentially positioned.Passive rack gear 9 is mounted in anti-wearing liner 33c and 33d two coaxial apertures, with circle
Column positioning pin 1 carries out circumferentially positioned.Middle transition gear 36 is supported with key 2 37, gear shaft 13, dottle pin 38 by bearing 14
It is installed on inside V shape iron, middle transition gear 36, is adjusted with dottle pin 38, guarantee that it is located at middle position in the hole U-lag 10e, axis
It holds 14 to be respectively arranged in two sides hole 10f and 10g of U-lag, support teeth wheel shaft 13.Active rack gear 8 is indirectly by peace
Middle transition gear 36 in U-lag 10e is engaged with passive 9 three of rack gear, forms gear and rack teeth mechanism.Gear shaft 13
Both ends and 14 inner hole of bearing are fixed together by circlip for shaft, and 14 outside diameter of bearing, pass through circlip for hole
It is separately mounted in two sides 10f and the 10g coaxial aperture of the U-type groove of V shape iron 10.The location hole of 17 left end of connecting rod, with master
The locating shaft of the right end of carry-over bar 8 is cooperatively connected, and the locating shaft of its right end is connected with the location hole of connecting plate 21, by check lock lever
19 be locked with nut 1 together with.One end of the hollow strip hole of 24 lower bands of rotor plate, by being inserted into its hole
Pin shaft 1 connect with right connecting bracket 23, be locked on connecting plate 21 by nut 2 22.The top of rotor plate 24 is another
One end is connected by pin shaft 2 25 and mobile pressing plate 26 and pin shaft 3 28 with one end of support plate 27.The centre of rotor plate 24
Position is connected by pin shaft 2 25 with the top of V shape iron 10.The other end of support plate 27 is also by pin shaft 3 28 and V shape iron
10 top is connected, it is ensured that pin shaft 2 25 and pin shaft 3 28 are in the installation site on V shape iron 10 on the same horizontal line.
The parallelogram being made of two pin shafts 2 25 and two pin shafts 3 28 will keep each group of opposite side equidistant.It is described passive
The right end of rack gear 9 is not connected with other, but design has keyway in the opposite cylindrical surface side of tooth surface of rack, by being mounted on V
The limitation of cylindrical positioning pins 2 35 in the hole shape iron 10k is circumferentially positioned, and left end is by adjusting pad 30 and left connecting bracket 7 and rotor plate
24 lower part is located at the pin shaft 1 with one end in hollow strip hole hole and connects.The top other end of rotor plate 24 also leads to
It crosses pin shaft 2 25 and mobile pressing plate 26 and pin shaft 3 28 is connected with one end of support plate 27, the intermediate position of rotor plate 24 is logical
Pin shaft 2 25 is crossed to be connected with the top of V shape iron 10.The other end of support plate 27 also by pin shaft 3 28 and V shape iron 10 top
It is connected, equally guarantees pin shaft 2 25 and pin shaft 3 28 in the installation site on V shape iron 10 on the same horizontal line.By two
The parallelogram that a pin shaft 2 25 and two pin shafts 3 28 are constituted, it is also desirable to retain each group of opposite side is equidistant.The V shape iron
10 tops are equipped with two groups of parallelogram lindages, and four bar part sizes of composition are identical, want after installation mutually symmetrical with.Described two
A parallelogram lindage drives two mobile pressing plate relative synchronizations mobile, clamp or release respectively.On the V-arrangement surface of V shape iron 10
On, quenching locating piece 29 is equipped with by screw, it is the part of a cubic shaped, and upper and lower surface is matched by high-precision
Mill processing, and keeping parallelism relationship.
Left end is threaded interior hole in its described whorl brace rod 5, and right end is axle journal band concave annular groove, and outer end face is spherical surface
Structure.Wherein left side has U-shaped T-slot, the locating shaft of right side band protrusion, the outer round belt of locating shaft to the eccentric connecting plate 6
There is keyway, design has the countersunk head through-hole of mounting screw at center.What 8 left side of active rack gear was connected with eccentric connecting plate 6
One end design has location hole and with keyway, is installation key 1 to position use.Bottom hole has threaded hole.Its right side and connecting rod
The 17 one end designs being connected have the locating shaft of protrusion, are also configured with keyway in the flank of tooth opposite cylindrical surface side of rack gear, are logical
It crosses with cylindrical positioning pins 1 and circumferentially to be limited.One end design that 17 left side of connecting rod is connected with active rack gear 8
There is location hole, it is a through-hole, check lock lever at 17 center of connecting rod that right side, which is that the locating shaft with protrusion is connected with connecting plate 21,
19 by this hole, active rack gear 8 is locked with connecting rod 17 together with.
When the present invention uses:
1, adjustment checks whether each component function of hydraulic system is normal, and whether system pressure meets the work of hydraulic cylinder needs
Pressure, it is ensured that clamping force is reliable when hydraulic cylinder works.
2, check whether adjustment rack and pinion engagement is reliable, and whether movement is flexible, and whether synchronous error and moving distance accord with
It closes and requires.
3, check that can lever mechanism rotation whether there is or not catching phenomenon, the especially hollow strip hole of 24 lower part of rotor plate, be hidden from
The stroke of sufficient lever rotation needs.
4, check that can the moving distance of the mobile pressing plate 26 in parallelogram lindage hide foot design needs from, four-bar mechanism has
It without catching phenomenon, whether flexible acts, it is ensured that clamp stroke and meet clamping needs.
5, two or three the crank axle for vessel hydraulic self-centering clamp systems for checking while using, the same V shape iron
Two quenching locating pieces 29 on upper two quenching locating pieces 29, the V-arrangement center line of composition and two or three other V shape irons, group
At the concentricity of V-arrangement center line to meet the requirements
6, according to working specification, test to pressure, require to be positioned according to technique, clamp preliminary examination.
7, the table of the clamping of the upper surface of two quenching locating pieces 29 on wiped clean V shape iron and mobile pressing plate 26
Face and the locating piece surface of crank-pin, crank axle for vessel both ends positioning spindle neck surface and crank-pin axle journals surface.
8, by the trunnion of crank axle for vessel both ends positioning, it is good after debugging to be placed on, crank axle for vessel hydraulic self-centering
On two quenching locating pieces 29 of V shape iron in clamp system.By the crank-pin axle journals for needing positioning rotate to horizontal position into
The positioning of row circumferencial direction.Numerical control rotary table can be used to carry out in crank axle for vessel rotation, can also manually carry out.
9, start lathe and hydraulic system, hydraulic cylinder piston cylinder is mobile, drives gear and rack teeth mechanism mobile, lever mechanism is opened
Begin to rotate, the mobile pressing plate 26 of parallelogram lindage is translatable, and the positioning spindle neck for starting positioning, clamping crank axle for vessel moves
Dynamic machine tool chief axis, milling cutter centering position start Milling Process.
Claims (5)
1. a kind of crank axle for vessel hydraulic self-centering clamp system, it is characterised in that: including bottom plate, Plane Installation has oil on bottom plate
Cylinder, V shape iron, bottom plate lower plane are fixed with Heavy-Duty Numerical Control Planer Type Milling Machine workbench；Up and down slideway is set on the V shape iron, up and down
Passive rack gear and active rack gear are respectively set in slideway；Middle transition gear, institute are set between the active rack gear and passive rack gear
Middle transition gear is stated to engage with active rack gear and passive rack gear；Oil cylinder is connect with the left end of active rack gear；The right side of active rack gear
End setting lever construction, the lever construction connect with parallelogram lindage and have the inclined-plane of the mobile pressing plate of parallel four side structure
It is abutted with workpiece；
The lever construction includes rotor plate, and one end axis of the rotor plate and connecting plate connects, and the other end of connecting plate is fixed
In the right end of active rack gear；
The parallelogram lindage includes rotor plate, mobile pressing plate, support plate and V shape iron shell；
Rotor plate connects with mobile pressing plate, V shape iron axis respectively, and lower end and the V shape iron axis spindle of support plate connect, upper end and mobile pressing plate
Axis connects；The end of mobile pressing plate is that inclined-plane is abutted with workpiece；
Same lever construction and parallelogram lindage is arranged in the left end of the passive rack gear；
V-groove, the lower end of the V-groove carrying workpiece is arranged in the top of the V shape iron.
2. crank axle for vessel hydraulic self-centering clamp system according to claim 1, it is characterised in that: bottom plate lower plane is logical
T-nut and positioning key and screw is crossed to connect with Heavy-Duty Numerical Control Planer Type Milling Machine workbench.
3. crank axle for vessel hydraulic self-centering clamp system according to claim 1, it is characterised in that: the oil cylinder passes through
Whorl brace rod and eccentric connecting plate are connect with the left end of the active rack gear on V shape iron.
4. crank axle for vessel hydraulic self-centering clamp system according to claim 1, it is characterised in that: the active rack gear
It is respectively designed with keyway with the cylindrical surface side of the flank of tooth opposite direction of passive rack gear, carries out circumferencial direction limit by cylindrical positioning pins
Position.
5. crank axle for vessel hydraulic self-centering clamp system according to claim 1, it is characterised in that: the V shape iron
On the V-type face of two sides, quenching locating piece is mounted with by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392734.9A CN109940428A (en) | 2017-12-21 | 2017-12-21 | A kind of crank axle for vessel hydraulic self-centering clamp system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392734.9A CN109940428A (en) | 2017-12-21 | 2017-12-21 | A kind of crank axle for vessel hydraulic self-centering clamp system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109940428A true CN109940428A (en) | 2019-06-28 |
Family
ID=67004734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711392734.9A Pending CN109940428A (en) | 2017-12-21 | 2017-12-21 | A kind of crank axle for vessel hydraulic self-centering clamp system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109940428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745403A (en) * | 2020-07-27 | 2020-10-09 | 金湖县常盛动力机械配件有限公司 | Clamp for machining rocker arm shaft and using method thereof |
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| DE3842085C1 (en) * | 1988-12-14 | 1989-08-24 | Emag Maschinenfabrik Gmbh, 7335 Salach, De | Work-holding fixture |
| DE10201671A1 (en) * | 2002-01-17 | 2003-07-31 | Scheer & Cie C F | Work piece chuck device for machining of tables, door/window frames, etc. has second chuck element connected to the first element via two sets of pivoted levers, to be located completely below first element chuck surface |
| CN102862083A (en) * | 2012-09-25 | 2013-01-09 | 江苏金方圆数控机床有限公司 | Centering mechanism |
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| SU933367A1 (en) * | 1980-07-15 | 1982-06-07 | Ордена Октябрьской Революции Карачаровский Механический Завод | Self-centering clamping device |
| DE3842085C1 (en) * | 1988-12-14 | 1989-08-24 | Emag Maschinenfabrik Gmbh, 7335 Salach, De | Work-holding fixture |
| DE10201671A1 (en) * | 2002-01-17 | 2003-07-31 | Scheer & Cie C F | Work piece chuck device for machining of tables, door/window frames, etc. has second chuck element connected to the first element via two sets of pivoted levers, to be located completely below first element chuck surface |
| CN102862083A (en) * | 2012-09-25 | 2013-01-09 | 江苏金方圆数控机床有限公司 | Centering mechanism |
| CN203843716U (en) * | 2014-03-25 | 2014-09-24 | 杭州锐冠精工机械有限公司 | Workpiece clamp allowing automatic centering |
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| CN105750965A (en) * | 2016-05-19 | 2016-07-13 | 张明强 | Centering and clamping device |
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|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745403A (en) * | 2020-07-27 | 2020-10-09 | 金湖县常盛动力机械配件有限公司 | Clamp for machining rocker arm shaft and using method thereof |
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Application publication date: 20190628 |