CN106624878A - Multi-station clamp with high efficiency and precise division - Google Patents
Multi-station clamp with high efficiency and precise division Download PDFInfo
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- CN106624878A CN106624878A CN201611058195.0A CN201611058195A CN106624878A CN 106624878 A CN106624878 A CN 106624878A CN 201611058195 A CN201611058195 A CN 201611058195A CN 106624878 A CN106624878 A CN 106624878A
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- Prior art keywords
- gear shaft
- positioning
- shaft
- eyelet bolt
- driving
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
- B23Q16/06—Rotary indexing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention belongs to the technical field of machining, and discloses a multi-station clamp with high efficiency and precise division. The multi-station clamp with high efficiency and precise division comprises an eccentric clamping device, a division positioning device, a spline positioning device and a lubricating system. According to the multi-station clamp with high efficiency and precise division provided by the invention, the position precision and the surface quality of camshaft bushing spline groove processing are ensured; with the fast clamping device, the problem of elastic deformation during a clamping process is solved, and the processing quality of parts is improved; and with the processing of multiple workpieces at multiple stations, the labor intensity is reduced, the production efficiency is improved, and the processing requirements on high efficiency and high precision are met.
Description
Technical field
The invention belongs to machining technology field, is related to one kind and efficiently, accurately indexes multi-station clamp.
Background technology
Fraise jig is mainly used in plane, groove, keyway, spline, breach and the various forming faces processed on part.Due to
Milling Process is typically fixture and acts as feed motion with workbench one, and by feeding mode difference fraise jig straight-line feed can be divided into
Formula, rotary feed formula and pattern advanceable three types, according to the processing characteristic of cam axial adjustment bushing straight-line feed formula is adopted
With eccentric shaft clamping mode.
Certain stroke high-efficiency high-power diesel engine cam axial adjustment bushing of model four, using all-in-one-piece version, by interior
Spline and external gear are constituted, and have eight semi-circular recesses to be uniformly distributed in bush end face, belong to thin-walled parts, and former process program is adopted
With horizontal milling machine by the way that using dividing head chuck clamping, eight semi-circular recesses processed on end face, the adjustment bushing of thin-walled is normal
Cause deformation because of clamping force, the impact of cutting force, it is impossible to meet the crudy of part, an adjustment bushing needs indexing
Head chuck is changed four positions and is machined, single-piece work, inefficiency, in the urgent need to a kind of efficient, accurate indexing, multiplexing
Position, multi-work piece, the fixture of pinching deformation can be suppressed to meet processing request.Cam axial adjustment bush structure and size, such as Fig. 1 institutes
Show.
The major technique defect of process program originally:
(1) original to be processed using dividing head chuck clamping, clamping process easily causes workpiece deformation, and size positions precision is difficult
To ensure, working (machining) efficiency is low, it is impossible to meet batch production requirements.
(2) cam shaft bush spline processing, needing dividing head to rotate four stations just can machine, and calculate and adjusting angle
Spend journey complicated, higher requirement is proposed to the technical merit of workman.
(3) multistation single-piece, single-piece work, manufacturing cost increases, inefficiency.
Comprehensive analysis, the product of original process program processing can not meet energy-saving and cam shaft bush spline groove processing
Reliability requirement.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is:One kind is provided and efficiently, accurately indexes multi-station clamp, while can be with clamping
Eight workpiece, reduce the clamping times of workpiece process, and positioner, the fast fixture of accurate indexing are solved many
Quick positioning and suppression pinching deformation in station process, improves cam shaft bush spline working (machining) efficiency and quality,
Meet batch production requirements.
(2) technical scheme
In order to solve above-mentioned technical problem, the present invention provides one kind and efficiently, accurately indexes multi-station clamp, and it includes:Partially
Heart clamping device, indexing positioning device, spline positioner;
The indexing positioning device include screw 13, retaining spring 12, alignment pin 11, positioning gear shaft 10, upper body 14,
Lower body 15, driving gear shaft 17, driving shaft gear 18, dividing gear 19, locking nut 16;
Active axis hole is opened up on upper body 14, driving gear shaft 17 is fitted into active axis hole, the upper end position of driving gear shaft 17
Outside upper body 14, lower end is projected outside upper body 14, the lower end of driving gear shaft 17 by bonded driving shaft gear 18, and
The lower end of driving gear shaft 17 and arrange nut 16 to lock driving shaft gear 18 positioned at the lower section of driving shaft gear 18;
Positioning gear shaft 10 has multigroup, is divided into two rows and is arranged in parallel, and correspondingly, multiple locating shafts is opened up on upper body 14
Hole, each positioning correspondence of gear shaft 10 is fitted into positioning shaft hole, and installs an indexing tooth in the lower end of the positioning gear shaft 10
Wheel 19, dividing gear 19 passes through bonded on positioning gear shaft 10, and is locked with nut in end face;Two adjacent indexing teeth
Wheel 19 is engaged, and the dividing gear near driving shaft gear 18 is engaged with driving shaft gear 18;
Active axis hole side offers and communicates therewith and vertical dowel hole, and alignment pin 11, set are arranged in dowel hole
The spring 12 being located on alignment pin 11 and the lock-screw 13 of another side opening of stopper dowel hole, alignment pin 11 is near driving tooth
One end of wheel shaft 17 is bulb end;Correspondingly, the pit of a fleet sphere is opened up every 45 degree on the outer wall of driving gear shaft 17,
It is engaged with the bulb end of the front end of alignment pin 11, pit is coplanar with the central shaft of alignment pin 11;
The lower lid of body 15 is located at the bottom of body 14, is fixedly connected by screw;
The eccentric clamping device is arranged on body 14, and it is fixed to be clamped for the gear shaft 10 that is ranked to wherein
Position;
The spline positioner is arranged on positioning gear shaft 10 top, for stationary positioned workpiece to be processed.
Wherein, the positioning gear shaft 10 has 8 groups, is divided into two rows and is arranged in parallel, and correspondingly, on upper body 14 8 is opened up
Individual positioning shaft hole.
Wherein, the eccentric clamping device includes little pressing plate 1, eyelet bolt 4, nut 5, large plate 6, back-moving spring 7, partially
Heart wheel clamping lever 8, pin 9;
Wherein, little pressing plate 1 has two, and installed in the both sides of large plate 6, the little pressing plate 1 of both sides forms left and right jaw, big pressure
The center drilling of plate 6, passes through eyelet bolt 4 in hole, back-moving spring 7 is arranged on eyelet bolt 4, and upper body 14 opens eyelet bolt hole,
Eyelet bolt 4, eyelet bolt hole top is passed through to open up spring groove in eyelet bolt hole, back-moving spring 7 is embedded in spring groove, both sides
Little pressing plate is located at respectively to be waited to compress the top of positioning gear shaft 10;The lower end of eyelet bolt 4 passes through the connecting eccentric wheel clamping lever of pin 9
8, nut 5 is installed in the upper end of eyelet bolt 4, and nut 5 is located at the top of large plate 6.
Wherein, two little pressing plates 1 are arranged on the both sides of large plate 6 by straight pin 2 respectively.
Wherein, two compressed parts are set on each described little pressing plate 1, for compressing corresponding positioning gear shaft 10.
Wherein, 4 sets of upper gaskets 3 of the eyelet bolt, packing ring 3 is located between nut 5 and large plate 6.
Wherein, the positioning gear shaft 10 and the perpendicular arrangement in the axial direction of eyelet bolt 4, eyelet bolt hole is opened in two and determines
Between the gear shaft 10 of position.
Wherein, in the spline positioner, the shape of external splines and the internal spline shape of cam axial adjustment bushing are complete
It is identical, during processing workpiece, cam axial adjustment bushing is loaded from positioning gear shaft 10 top, make flower in positioning external splines and workpiece
Key is combined together, and plays a part of to position and fixed workpiece.
Wherein, also including oil injecting lubricating system, lubricating system includes oil syringe 20 and oiling road, and oil syringe 20 is arranged on
In the lubrication hole opened up on body 14, pass through between the drive disk assembly that lubrication hole and driving shaft gear 18 and dividing gear 19 are formed
Oiling road is connected.
Wherein, during fixture use, secure fixtures on milling machine, then workpiece to be processed is mounted in positioning gear shaft
On the spline positioner on 10 tops, work pieces process is carried out, after the completion of first group of semi-circular recesses of processing driving gear shaft is rotated
17 drive multiple dividing gears 19 to rotate together, when driving gear shaft 17 turns to first 45 degree, on indexing positioning device
The insertion driving gear shaft 17 of alignment pin 11 spherical pit in, complete positioning, rotate eccentric wheel clamping lever 8 and drive movable joint spiral shell
Bolt 7, large plate 6, little pressing plate 2, the end face of little pressing plate 2 is pressed on one of end of eight prism structures on positioning gear shaft 10
Face, while compression reseting spring 7 completes compression action;Second group of semi-circular recesses is processed, after machining, cam handle is unclamped
When, back-moving spring 7 stretches and completes release action;With same method positioning, clamp, complete adding for other two groups of semi-circular recesses
Work, part completion of processing.
(3) beneficial effect
Above-mentioned technical proposal provided it is efficient, accurately index multi-station clamp, the positioner of accurate indexing, it is ensured that
The positional precision and surface quality of cam shaft bush spline groove processing;Fast fixture, solves the elasticity in clamping process
Deformation, improves the crudy of part;Multi-work piece, multistation processing, reduce labour intensity, improve production efficiency, full
Foot efficiently, high-precision processing request.
Description of the drawings
Fig. 1 is spline part schematic diagram.
Fig. 2 is eccentric clamping device schematic diagram.
Fig. 3 is indexing positioning device schematic diagram.
Fig. 4 is spline positioner schematic diagram.
Specific embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Specific embodiment is described in further detail.
The present embodiment is applied to certain stroke high-efficiency high-power diesel engine cam axial adjustment bushing spline groove processing of model four
Efficiently, multi-station clamp is accurately indexed, including:Eccentric clamping device, indexing positioning device, spline positioner, lubricating system
Four parts,
1st, eccentric clamping device
Eccentric clamping device is a kind of cam clamping device, including chuck body, the left and right jaw for clamping workpiece,
Used as the cam of force application apparatus, left and right jaw is hinged on fixture on body, and between left and right jaw back-moving spring is provided with, can
Quickly workpiece is clamped and is unclamped.
As shown in Fig. 2 eccentric clamping device includes chuck body, little pressing plate 1, straight pin 2, packing ring 3, eyelet bolt 4, spiral shell
Cap 5, large plate 6, back-moving spring 7, eccentric wheel clamping lever 8, pin 9.
Wherein, little pressing plate 1 has two, is arranged on the both sides of large plate 6 by straight pin 2 respectively, and the little pressing plate 1 of both sides is formed
Left and right jaw, the center drilling of large plate 6 passes through eyelet bolt 4 in hole, back-moving spring 7 is arranged on eyelet bolt 4, on fixture originally
Body 14 opens eyelet bolt hole, and eyelet bolt 4 is passed through in eyelet bolt hole, and eyelet bolt hole top opens up spring groove, back-moving spring 7
In embedded spring groove, the little pressing plate in both sides is located at respectively to be waited to compress the top of positioning gear shaft 10;The lower end of eyelet bolt 4 passes through pin 9
Nut 5 is installed in connecting eccentric wheel clamping lever 8, the upper end of eyelet bolt 4, and nut 5 is located at the top of large plate 6.Eyelet bolt 4 puts
Packing ring 3, packing ring 3 is located between nut 5 and large plate 6.
Eccentric clamping device assembling is divided into three steps:
1. component one:Eyelet bolt 4 is connected with eccentric wheel clamping lever 8 by pin 9.
2. component two:Large plate 6 is connected with two little pressing plates 1 by straight pin 2.
3. component one is fitted into eyelet bolt hole, back-moving spring 7 loads from the upper end of eyelet bolt 4, then by component
Two are mounted in the top of back-moving spring 7, finally load packing ring 3 and nut 5.
The operation principle of eccentric clamping device is:
Eccentric wheel clamping lever 8 is rotated, eyelet bolt 4, large plate 6, the axially-movable of little pressing plate 1, the end face of little pressing plate 1 is driven
The one of end face from eight prism structures on positioning gear shaft 10 is compressed, while compression reseting spring 7 completes compression action;
When unclamping eccentric wheel clamping lever 8, back-moving spring 7 stretches and completes release action.
Wherein, the clamping force of eccentric clamping device by the eccentric degree and nut 5 of eccentric wheel clamping lever 8 in eyelet bolt
Installation site on 4 is adjusted, and reaches processing use requirement.
2nd, indexing positioning device
As shown in figure 3, indexing positioning device include screw 13, retaining spring 12, alignment pin 11, positioning gear shaft 10, on
Body 14, lower body 15, driving gear shaft 17, driving shaft gear 18, dividing gear 19, locking nut 16.
Active axis hole is opened up on upper body 14, driving gear shaft 17 is fitted into active axis hole, the upper end position of driving gear shaft 17
Outside upper body 14, lower end projects upper body exterior, and the lower end of driving gear shaft 17 is being led by bonded driving shaft gear 18
The lower end of movable gear shaft 17 and arrange nut 16 to lock driving shaft gear 18 positioned at the lower section of driving shaft gear 18.
Positioning gear shaft 10 has 8 groups, is divided into two rows and is arranged in parallel, and correspondingly, 8 locating shafts is opened up on upper body 14
Hole, each positioning correspondence of gear shaft 10 is fitted into positioning shaft hole, and installs an indexing tooth in the lower end of the positioning gear shaft 10
Wheel 19, dividing gear 19 passes through bonded on positioning gear shaft, and is locked with nut in end face.Two adjacent dividing gears
19 engage, and the dividing gear near driving shaft gear 18 is engaged with driving gear 19.
Positioning gear shaft 10 and the perpendicular arrangement in the axial direction of eyelet bolt 4.
Active axis hole side offers and communicates therewith and vertical dowel hole, and alignment pin 11, set are arranged in dowel hole
The spring 12 being located on alignment pin 11 and the lock-screw 13 of another side opening of stopper dowel hole, alignment pin 11 is near driving tooth
One end of wheel shaft 17 is bulb end;Correspondingly, the pit of a fleet sphere is opened up every 45 degree on the outer wall of driving gear shaft 17,
It is engaged with the bulb end of the front end of alignment pin 11, pit is coplanar with the central shaft of alignment pin 11.
The lower lid of body 15 is located at the bottom of body 14, is fixedly connected by screw.
Indexing positioning device assembling is divided into two steps:
1st, driving gear shaft 17 faces down from the upper end of upper body 14 and is fitted into the active axis hole of body 14, then from master
The other end of movable gear shaft loads driving shaft gear 18, and with bonded on driving gear shaft, nut 16 is locked, then first
Positioning gear shaft is fitted into first positioning shaft hole from the upper surface of upper body, and from the other end of locating shaft first indexing is loaded
Gear 19, with bonded on locating shaft, end face nut check assembles other 7 groups of positioning tooths with same method successively
Wheel shaft, gear compound graduation mechanism.Upper body and lower body pin are positioned, bolt fastening.
2nd, alignment pin 11, retaining spring 12 and screw 13 are sequentially loaded into the dowel hole of this body side surface, are rotated actively
Gear shaft, in making the spherical pit of spherical jacking driving gear shaft of alignment pin front end, completes initial alignment.
The operation principle of indexing positioning device is:
Indexing positioning device is used for the rotary motion of driving gear shaft 17 and positioning gear shaft 10, and its anglec of rotation is 45 degree
Or its multiple, driving shaft gear 18 drive 8 dividing gears 19 rotate, due to the parameter of these gears it is identical, so
The angle that driving shaft gear 18 is turned over 8 dividing gears 19 is identical, 45 degree is often rotated, by screw in Fig. 3 13, retaining spring
12nd, alignment pin 11, the positioner of the composition of driving gear shaft 17 complete a location action, and driving gear shaft 17 has every 45 degree
The pit of one fleet sphere and spherical being engaged of the front end of alignment pin 11, in that context it may be convenient in positioning states and rotation indexing state
Between change.
3rd, spline positioner
As shown in figure 4, spline positioner is arranged on the top of positioning gear shaft 10, the shape and camshaft of the external splines
The internal spline shape of adjustment bushing is identical, during processing workpiece, by cam axial adjustment bushing from positioning gear shaft 10 top dress
Enter, be combined together positioning external splines and workpiece internal spline, play a part of to position and fixed workpiece.
4th, lubricating system
Driving shaft gear 18 can be because the effect of frictional force produces resistance, in order to what is rotated when driving positioning gear shaft 10 to rotate
Flexibility and reliability, this fixture is provided with oil injecting lubricating system, and lubricating system includes oil syringe 20 and oiling road.Oil syringe 20 is arranged on
In the lubrication hole opened up on body 14, pass through between the drive disk assembly that lubrication hole and driving shaft gear 18 and dividing gear 19 are formed
Oiling road is connected.
Oil syringe 20 is fitted into the lubrication hole of upper body 14 during assembling.The oil nozzle of oil can is by oil syringe 20 during lubrication
Ball is depressed, and instills lubricating oil, is respectively enterd gear transmission part by oiling road and is lubricated, it is ensured that gear-driven steady
The accuracy of property, reliability and gearratio.As shown in Figure 4.
5th, fixture operation principle
The fixture course of work is as follows, secures fixtures on milling machine, then 8 workpiece is mounted in positioning gear shaft 10 top
Spline positioner on, with first group of semi-circular recesses in circular piece milling cutter processes, turned with spanner after machining
Dynamic driving gear shaft 17 drives 8 dividing gears 19 to rotate together, when driving gear shaft 17 turns to first 45 degree, indexing
In the spherical pit of the insertion driving gear shaft 17 of alignment pin 11 on positioner, positioning is completed, rotate eccentric wheel clamping lever 8
Drive eyelet bolt 7, large plate 6, little pressing plate 2, the end face of little pressing plate 2 be pressed on positioning gear shaft 10 on eight prism structures its
In an end face, while compression reseting spring 7 completes compression action.Second group of semi-circular recesses is processed, after machining, is unclamped
During cam handle, back-moving spring 7 stretches and completes release action.With same method positioning, clamp, complete other two groups it is semicircle
The processing of groove, part completion of processing.
In the design process of the present embodiment fixture, three-dimensional modeling and three-dimensional simulation mounting technology have been used first, be based on
The Assembly Process planning of threedimensional model and emulation be on the basis of traditional Assembly Process planning, using virtual reality technology and
Threedimensional model, checking fixture assembly technology reasonability and accuracy, can be such that technical staff quickly enters in visible environment
Row design, emulation and optimization, realize design, fixture technique concurrent collaborative, are finally reached the shortening fixture technological design cycle, improve
The target of trim designs quality.
Analysis, design, three-dimensional assembly simulation emulation, processing and fabricating and checking according to above-mentioned fixture, reaches expected effect
Really.
By producing checking, the fixture is easy to use, and clamping is rapid, and machining accuracy and production efficiency are high, not only ensure that
The passing rate of processing 100% of cam shaft bush spline, production efficiency needs 10 minutes by original processing one, now with specially
Processing 8 with fixture needs 10 minutes, and working (machining) efficiency improves 87.5% on the basis of original.
The invention has been applied to the batch life of certain stroke high-efficiency high-power use for diesel engine cam shaft bush spline of model four
Produce, from saving the production time and improving the analysis of cam shaft bush spline machining yield, the economic benefit of creation reaches tens thousand of units.This
The processing high-efficiency high-accuracy indexing of cam shaft bush spline, the invention of multi-station clamp are planted, is not only the convex of other model diesel engines
The part manufacture of wheel neck bush spline or homogeneous structure provides technological borrowing, and can be the homogeneous structure part of future diesel machine
Jig Design provides technological reserve.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (10)
1. it is a kind of efficiently, accurately to index multi-station clamp, it is characterised in that to include:Eccentric clamping device, indexing positioning device,
Spline positioner;
The indexing positioning device include screw (13), retaining spring (12), alignment pin (11), positioning gear shaft (10), upper
Body (14), lower body (15), driving gear shaft (17), driving shaft gear (18), dividing gear (19), locking nut (16);
Active axis hole is opened up on upper body (14), driving gear shaft (17) is fitted into active axis hole, driving gear shaft (17) upper end
Positioned at upper body (14) outward, lower end projects upper body (14) outside, and driving gear shaft (17) lower end passes through bonded driving shaft tooth
Wheel (18), and arrange nut (16) to lock driving shaft in driving gear shaft (17) lower end and positioned at driving shaft gear (18) lower section
Gear (18);
Positioning gear shaft (10) has multigroup, is divided into two rows and is arranged in parallel, and correspondingly, on upper body (14) multiple locating shafts is opened up
Hole, each positioning gear shaft (10) correspondence is fitted into positioning shaft hole, and installs one point in the lower end of the positioning gear shaft (10)
Degree gear (19), dividing gear (19) in positioning gear shaft (10), and is locked in end face by bonded with nut;Adjacent
Two dividing gears (19) are engaged, and the dividing gear near driving shaft gear (18) is engaged with driving shaft gear (18);
Active axis hole side offers and communicates therewith and vertical dowel hole, alignment pin (11) is arranged in dowel hole, is arranged
The lock-screw (13) of spring (12) and another side opening of stopper dowel hole on alignment pin (11), alignment pin (11) is close
One end of driving gear shaft (17) is bulb end;Correspondingly, open up every 45 degree on driving gear shaft (17) outer wall one it is shallow
Spherical pit, and the bulb end of alignment pin (11) front end is engaged, pit is coplanar with alignment pin (11) central shaft;
Lower body (15) lid is located at body (14) bottom, is fixedly connected by screw;
The eccentric clamping device is arranged on body (14), and it is fixed to be clamped for the gear shaft (10) that is ranked to wherein
Position;
The spline positioner is arranged on positioning gear shaft (10) top, for stationary positioned workpiece to be processed.
2. it is as claimed in claim 1 efficiently, accurately to index multi-station clamp, it is characterised in that the positioning gear shaft (10)
There are 8 groups, be divided into two rows and be arranged in parallel, correspondingly, 8 positioning shaft holes are opened up on upper body (14).
3. it is as claimed in claim 2 efficiently, accurately to index multi-station clamp, it is characterised in that the eccentric clamping device bag
Include little pressing plate (1), eyelet bolt (4), nut (5), large plate (6), back-moving spring (7), eccentric wheel clamping lever (8), pin
(9);
Wherein, little pressing plate (1) has two, and installed in large plate (6) both sides, the little pressing plate (1) of both sides forms left and right jaw, greatly
Pressing plate (6) center drilling, passes through eyelet bolt (4) in hole, back-moving spring (7) is arranged on eyelet bolt (4), and upper body (14) is opened
Eyelet bolt hole, passes through eyelet bolt (4), eyelet bolt hole top to open up spring groove in eyelet bolt hole, back-moving spring (7) is embedding
Enter in spring groove, the little pressing plate in both sides is located at respectively to be waited to compress positioning gear shaft (10) top;Eyelet bolt (4) lower end passes through pin
(9) nut (5) is installed in connecting eccentric wheel clamping lever (8), eyelet bolt (4) upper end, and nut (5) is positioned at large plate (6) top.
4. it is as claimed in claim 3 efficiently, accurately to index multi-station clamp, it is characterised in that two little pressing plates (1) point
Not Tong Guo straight pin (2) installed in large plate (6) both sides.
5. it is as claimed in claim 3 efficiently, accurately to index multi-station clamp, it is characterised in that on each described little pressing plate (1)
Two compressed parts are set, for compressing corresponding positioning gear shaft (10).
6. it is as claimed in claim 3 efficiently, accurately to index multi-station clamp, it is characterised in that the eyelet bolt (4) puts
Packing ring (3), packing ring (3) is between nut (5) and large plate (6).
7. it is as claimed in claim 3 efficiently, accurately to index multi-station clamp, it is characterised in that the positioning gear shaft (10)
With the perpendicular arrangement in eyelet bolt (4) axial direction, eyelet bolt hole is opened between two positioning gear shaft (10).
It is 8. as claimed in claim 3 efficiently, accurately to index multi-station clamp, it is characterised in that in the spline positioner,
The shape of external splines is identical with the internal spline shape of cam axial adjustment bushing, during processing workpiece, by cam axial adjustment bushing
Load from positioning gear shaft (10) top, be combined together positioning external splines and workpiece internal spline, play positioning and regular worker
The effect of part.
It is 9. as claimed in claim 8 efficiently, accurately to index multi-station clamp, it is characterised in that also including oil injecting lubricating system,
Lubricating system includes oil syringe (20) and oiling road, and oil syringe (20) is arranged in the lubrication hole opened up on body (14), moistens
Connected by oiling road between the drive disk assembly that slide opening is formed with driving shaft gear (18) and dividing gear (19).
10. it is as claimed in claim 9 efficiently, accurately to index multi-station clamp, it is characterised in that during fixture use, will
Fixture is fixed on milling machine, and then workpiece to be processed is mounted on the spline positioner on positioning gear shaft (10) top, is carried out
Work pieces process, rotates driving gear shaft (17) and drives multiple dividing gears (19) together after the completion of first group of semi-circular recesses of processing
Rotation, alignment pin (11) the insertion driving tooth when driving gear shaft (17) turns to first 45 degree, on indexing positioning device
In the spherical pit of wheel shaft (17), complete positioning, rotate eccentric wheel clamping lever (8) drive eyelet bolt (7), large plate (6),
Little pressing plate (2), little pressing plate (2) end face is pressed on one of end face of eight prism structures in positioning gear shaft (10), while
Compression reseting spring (7) completes compression action;Second group of semi-circular recesses is processed, it is multiple when unclamping cam handle after machining
Stretch and complete release action in position spring (7);With same method positioning, clamp, complete the processing of other two groups of semi-circular recesses,
Part completion of processing.
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CN201611058195.0A CN106624878B (en) | 2016-11-27 | 2016-11-27 | One kind is efficient, accurately indexes multi-station clamp |
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CN201611058195.0A CN106624878B (en) | 2016-11-27 | 2016-11-27 | One kind is efficient, accurately indexes multi-station clamp |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108453527A (en) * | 2018-04-03 | 2018-08-28 | 舟山远东齿轮有限责任公司 | A kind of positioning device for flange processing |
CN109129010A (en) * | 2018-11-14 | 2019-01-04 | 浙江双正机床有限公司 | It is a kind of can automatic indexing synchronous fixture |
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CN205096880U (en) * | 2015-10-23 | 2016-03-23 | 上海高压油泵厂有限公司 | Cylinder body plunger hole partition adds clamping apparatus |
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SU904979A1 (en) * | 1980-05-26 | 1982-02-15 | Асбестовая Опытная Фабрика Института Вниипроектасбест | Universal clamper |
JP3285062B2 (en) * | 1993-12-24 | 2002-05-27 | 豊田工機株式会社 | Workpiece clamping device |
CN201333625Y (en) * | 2008-10-10 | 2009-10-28 | 江苏飞船股份有限公司 | Milling fixture of lathe for processing spherical oil groove on bevel gear |
CN202985185U (en) * | 2013-01-08 | 2013-06-12 | 南京工业职业技术学院 | Milling machine clamp |
CN104669008A (en) * | 2013-11-26 | 2015-06-03 | 宁波市东海精锐机械制造有限公司 | Multistation rotary type production clamp of disposable computer numerical control milling cutter |
CN104551149A (en) * | 2015-01-21 | 2015-04-29 | 柳州聚龙科技有限公司 | Driving pin shaft processing method |
CN205096880U (en) * | 2015-10-23 | 2016-03-23 | 上海高压油泵厂有限公司 | Cylinder body plunger hole partition adds clamping apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108453527A (en) * | 2018-04-03 | 2018-08-28 | 舟山远东齿轮有限责任公司 | A kind of positioning device for flange processing |
CN109129010A (en) * | 2018-11-14 | 2019-01-04 | 浙江双正机床有限公司 | It is a kind of can automatic indexing synchronous fixture |
Also Published As
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CN106624878B (en) | 2018-10-19 |
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