CN106965011B - Camshaft processing clamping device - Google Patents
Camshaft processing clamping device Download PDFInfo
- Publication number
- CN106965011B CN106965011B CN201710305397.9A CN201710305397A CN106965011B CN 106965011 B CN106965011 B CN 106965011B CN 201710305397 A CN201710305397 A CN 201710305397A CN 106965011 B CN106965011 B CN 106965011B
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- China
- Prior art keywords
- push rod
- horizontal push
- positioning column
- stock
- transverse tube
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to technical fields of mechanical processing, disclose camshaft processing clamping device, including pedestal, pedestal is equipped with the first support column, U-shaped linker and the second support column, U-shaped linker includes the first transverse tube, the second transverse tube and vertical tube, further include L-shaped positioning column and locking post, the low side of the stock of positioning column is connected with the first horizontal push rod, and the low side of the stock of locking post is connected with the second horizontal push rod；The right end of first horizontal push rod is connected with first piston, and the right end of the second horizontal push rod is connected with second piston；It is equipped with gear between first horizontal push rod and the second horizontal push rod, rack is equipped on the first horizontal push rod and the second horizontal push rod；Stomata is equipped in first horizontal push rod, the stock of positioning column is equipped with through-hole；The top mounting groove of positioning column stock, mounting groove is interior to be equipped with lateral convex block and vertical locating piece, and the left side of locating piece is equipped with shaft, cam and torsional spring are connected in shaft.Solve the problems, such as that prior art clamping efficiency is low.
Description
Technical field
The invention belongs to field of machining, and in particular to camshaft processing clamping device.
Background technology
Camshaft is a component in piston engine, the unlatching for controlling valve and closure, including a main shaft
With several bulge loops on main shaft outer ring, and the rounded portions of adjacent bulge loop are staggered.Generally use during camshaft is processed
Be that both ends are fixed, after processing is completed, then centering, be processed, this method, need as positioning datum, then to both ends
It to be processed using multiple steps, the clamping time of consuming is more, and the inefficiency processed.
Therefore, in order to solve the above technical problems, patent publication No. is the Chinese patent of CN103949922B, one kind is provided
For the Rapid positioning locking fixture of camshaft processing, including bottom plate, be equipped on bottom plate the first support column, the second support column and
Positioning column, locking post between the first support column and the second support column and driving device, low side and the driving of positioning column fill
The shell connection set, the bottom end of locking post and the driving axis connection of driving device.The technical program passes through the first support column and
The both ends of camshaft are supported by two support columns, then are contacted with the outer wall of bulge loop by the upper end of fixed positioning column, are passed through
Driving device drives drive shaft to be clamped to bulge loop, to drive locking post close to positioning column to realize camshaft
It clamps so that each face of camshaft can be processed.
But there is also following technical problems for above-mentioned technical proposal：
1, above-mentioned technical proposal is fixed by positioning column, drives locking post to be moved to positioning column direction using driving device
Dynamic, realization is clamped the bulge loop on camshaft, and this mode efficiency when clamping is too low, so as to cause the processing of camshaft
Efficiency is low；
2, only mutually close by positioning column and locking post so that the effect of the clamping of camshaft is bad, when camshaft is processed
Relative motion can occur with fixture, cause camshaft impaired, influence the precision of camshaft.
Invention content
The invention is intended to provide a kind of camshaft processing clamping device, to solve prior art clamping, efficiency is low asks
Topic.
To achieve the above object, the present invention provides the following technical solutions, camshaft processing clamping device, including pedestal,
The first support column, U-shaped linker and the second support column are equipped on pedestal successively, U-shaped linker includes the first transverse tube, the second transverse tube
And vertical tube, it is characterised in that：Further include L-shaped positioning column and locking post, positioning column and locking post include quarter butt and stock, and
Positioning column and the quarter butt of locking post are respectively positioned on the top of stock, and locking post is located at below positioning column, the bottom of the stock of positioning column
End is connected with the first horizontal push rod, and the low side of the stock of locking post is connected with the second horizontal push rod, the free end peace of the quarter butt of locking post
Equipped with vertical gripping block；It is equipped with first piston in first transverse tube, second piston, first piston and first are equipped in the second transverse tube
Horizontal push rod free end connection, second piston are connect with the second horizontal push rod free end, and the first transverse tube and the second transverse tube are isometric, and first is horizontal
The area of pipe is more than the area of the second transverse tube；Gear and motor, gear and electricity are equipped between first horizontal push rod and the second horizontal push rod
The output shaft of machine is fixedly connected, and the upper surface of the first horizontal push rod and the lower surface of the second horizontal push rod are equipped with rack；First is horizontal
Stomata is transversely provided in push rod, stomata is connected to U-shaped linker, and the stock of positioning column is vertically equipped with through-hole, and through-hole connects with stomata
It is logical；The top of positioning column stock is equipped with L-shaped mounting groove, and mounting groove includes vertical slot and transverse groove, the area of section of vertical slot
More than the area in through-hole section, and it is equipped with convex block in vertical slot, locating piece is equipped in transverse groove, the length of locating piece is more than laterally
The length of slot, locating piece are located at the side outside transverse groove and are equipped with holder, be rotatably connected to shaft on holder, be connected in shaft convex
Wheel, cam includes rounded portions and lug boss, and rounded portions are contacted with locating piece, and torsional spring is additionally provided in shaft.
The technique effect of this programme technical characteristic：Positioning column realizes the clamping of camshaft bulge loop with locking post；Locking post
Gripping block on quarter butt can stop the bulge loop of camshaft, realize the clamping of bulge loop；The cooperation of wheel and rack is realized fixed
Position column and locking post move towards, and shorten the time for clamping and using, and improve efficiency；Convex block be for by with bulge loop phase to be clamped
Another adjacent bulge loop pushes against；Locating piece is used to support convex block, and convex block is avoided to fall downwards；Cam is for pushing locating piece installing
It is moved in slot, torsional spring is for driving shaft to rotate, to realize the rotation of cam.
Gear rotates, and the first horizontal push rod and the second horizontal push rod is driven to move towards, and the first horizontal push rod squeezes first piston, the
Two horizontal push rods pull second piston, and since the displacement of the first horizontal push rod and the second horizontal push rod is identical, first piston
Displacement with second piston is identical, but the area of the first transverse tube is more than the area of the second transverse tube, therefore in the first transverse tube
A gas part for pushing second piston to generate displacement, another part is discharged by stomata, and gas is again along through-hole to moving up
It moves, when gas reaches positioning top end, convex block is pushed to move up, after convex block movement, the lateral no longer stress of locating piece, therefore
Certainly, band moving cam rotates torsional spring in shaft, and the lug boss of cam pushes locating piece movement, locating piece to be moved under convex block
Side, convex block is supported, and convex block moves up and pushes against the adjacent bulge loop of bulge loop to be clamped, therefore is moved in opposite directions in positioning column and locking post
It is dynamic that convex block pushes against adjacent bulge loop, not only shortens the time of clamping bulge loop, but also bulge loop is pushed against while is clamped to bulge loop,
So that the effect clamped is more preferable.
The technical principle of this programme is：First support column and the second support column are supported the both ends of camshaft, then open
Moving gear, gear rotation are relatively moved by the rack drives positioning column and locking post of engagement, are carried out to the bulge loop on camshaft
It clamps；The displacement of positioning column and locking post movement is equal, therefore the position of the first piston and second piston in U-shaped linker
Shifting is identical, and the area of the first transverse tube is more than the area of the second transverse tube, therefore a part of gas in the first transverse tube is along gas
Hole, through-hole outflow, gas push convex block upwards push against bulge loop, and cam rotates at this time, and locating piece is pushed to be supported convex block,
It avoids convex block from falling, realizes the abutting of bulge loop；After camshaft is fixed, motor is closed, gear stops operating, the bulge loop of camshaft
It is clamped, can be processed.
What this programme can generate has the technical effect that：
1, clamping bulge loop the time it takes can be shortened by the first locking post and moving towards for the second locking post, carried
The efficiency of height clamping, to improve the efficiency of processing；
2, the displacement phase that different and first piston is moved with second piston from the area of the second transverse tube by the first transverse tube
Together so that the gas in U-shaped linker is discharged from through-hole, and convex block is pushed to push against another bulge loop so that the clamping of device is imitated
Fruit is more preferable.
It is the preferred embodiment based on said program below：
Preferred embodiment one：Supporting rack is additionally provided on the pedestal, the cross bar of supporting rack is located at the top of U-shaped linker, and
The cross bar of supporting rack is equipped with sliding slot, and the stock of positioning column and locking post is slidably connected in sliding slot.Supporting rack can be to fixed
Position column and locking post are supported, and mitigate the stress of U-shaped linker；Setting sliding slot can facilitate positioning column and locking post to move.
Preferred embodiment two：Based on preferred embodiment one, the bracket slide is connected in sliding slot.Cam is moved with positioning column
It is slided in sliding slot so that the rounded portions of cam are pushed against with locating piece always, are positioned to locating piece.
Preferred embodiment three：Based on preferred embodiment two, gag lever post, and gag lever post are hinged on the transverse tube of the U-shaped linker
Movable end be located between the adjacent teeth of gear.Gag lever post limits gear after gear stops operating, and avoids gear
Camshaft is released caused by reversion.
Preferred embodiment four：Based on preferred embodiment three, the free end of the quarter butt of the positioning column and gripping block are close to positioning column
End face on be equipped with rubber pad.Rubber think pad can avoid bulge loop and positioning column and gripping block rigid contact, avoid bulge loop by
Damage.
Preferred embodiment five：Based on preferred embodiment four, the top of first support column and the second support column is equipped with height
Adjusting block.It can adapt to various camshafts.
Description of the drawings
Fig. 1 is the structural schematic diagram of camshaft processing clamping device of the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1 of the present invention.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Pedestal 1, the first support column 2, the second support column 3, U-shaped linker 4,
First transverse tube 41, first piston 411, the second transverse tube 42, second piston 421, vertical tube 43, gag lever post 44, positioning column 5, first are horizontal
Push rod 51, stomata 511, through-hole 52, mounting groove 53, convex block 54, locating piece 55, locking post 6, the second horizontal push rod 61, gripping block 62,
Gear 7, rack 8, supporting rack 9, cam 10, holder 101, height adjusting blocks 11, camshaft 12, bulge loop 121.
As shown in Figure 1,10 axis processing clamping device of cam, including pedestal 1, it is equipped with first from left to right on pedestal 1
The top of U-shaped linker 4, the second support column 3 of dagger 2, opening towards a left side, the first support column 2 and the second support column 3 is equipped with height
Spend adjusting block 11.The both ends of U-shaped linker 4 are set there are one supporting rack 9, and the cross bar of supporting rack 9 is equipped with lateral sliding slot, U-shaped
Linker 4 includes the first transverse tube 41, the second transverse tube 42 and vertical tube 43, and the first transverse tube 41 and the second transverse tube 42 are isometric, and first is horizontal
The area of 41 longitudinal section of pipe is more than the area of 42 longitudinal section of the second transverse tube, and first piston 411 is equipped in the first transverse tube 41, and second is horizontal
Second piston 421 is equipped in pipe 42；The right side of vertical tube 43 is equipped with air inlet.
The left end of U-shaped linker 4 is equipped with L-shaped positioning column 5 and L-shaped locking post 6, and positioning column 5 and locking post 6 include
The quarter butt of quarter butt and stock, positioning column 5 and locking post 6 is respectively positioned on above stock, and positioning column 5 is located at the top of locking post 6, fixed
Position column 5 and the stock of locking post 6 are slidably connected in the sliding slot of supporting rack 9；The bottom end of positioning column 5 is connected with the first horizontal push rod
51, the bottom end of the stock of locking post 6 is connected with the second horizontal push rod 61, and the right end of quarter butt is equipped with vertical gripping block 62, locating rod
Right end and the left side of gripping block 62 be equipped with rubber pad.First horizontal push rod, 51 right end is connect with first piston 411, and second is horizontal
Push rod 61 is connect with second piston 421.
Pedestal 1 is equipped with motor, is connected with gear 7 on the output shaft of motor, gear 7 is located at the first horizontal push rod 51 and second
Between horizontal push rod 61, and the upper surface of the first horizontal push rod 51 and the lower surface of the second horizontal push rod 61 are equipped with and are engaged with gear 7
Rack 8.First horizontal push rod 51 is transversely equipped with stomata 511, and stomata 511 is connected to U-shaped linker 4, and the stock of positioning column 5 is along perpendicular
To equipped with through-hole 52, through-hole 52 is connected to stomata 511.The left side of vertical tube 43 is hinged with gag lever post 44, the left end of gag lever post 44
Between the adjacent teeth of gear 7.
As shown in Fig. 2, the left end of the cross bar of positioning column 5 is equipped with L-shaped mounting groove 53, mounting groove 53 includes vertical slot and cross
To slot, the cross-sectional area of vertical slot is more than the area of 52 cross section of through-hole, and convex block 54 is equipped in the vertical slot of mounting groove 53, peace
Locating piece 55 is equipped in the translot of tankage 53, the length of locating piece 55 is more than the length of translot；The left end of sliding slot slidably connects
Holder 101 is rotatably connected to shaft on holder 101, and shaft is equipped with torsional spring and cam 10, and cam 10 includes rounded portions and protrusion
Portion, rounded portions offset with locating piece 55；The left end of locating piece 55 is connected with spring, and the left end of spring is connect with holder 101.
When using the present embodiment, camshaft 12 is placed on the first support column 2 and the second support column 3 first, is adjusted high
Adjusting block 11 is spent so that the bulge loop 121 of camshaft 12 is between positioning column 5 and locking post 6；Restart motor, band moving gear 7
It rotates counterclockwise, by engaging for gear 7 and rack 8, the first horizontal push rod 51 moves right, and the second horizontal push rod 61 is moved to the left,
Realize the clamping of bulge loop 121；Since the first horizontal push rod 51 and the second horizontal push rod 61 are to move to realize with carry-over bar 8 by gear 7
Displacement, therefore the displacement of the first horizontal push rod 51 and the second horizontal push rod 61 is identical, first piston 411 and second piston 421
Displacement be it is identical, and the volume of the first transverse tube 41 be more than the second transverse tube 42 volume, first piston 411 move process
In, a part of gas is squeezed in blowhole 511, then is discharged upwards by through-hole 52, and convex block 54 is pushed when gas outreaches,
54 upward sliding of convex block, at this point, convex block 54 no longer squeezes locating piece 55 to the left, the torsional spring of left end rotates, band moving cam 10
The lug boss of rotation, cam 10 squeezes locating piece 55, and locating piece 55 supports convex block 54, and convex block 54 is avoided to fall.Convex block 54 will
Another bulge loop 121 in 121 left side of bulge loop pushes against so that the clamping effect of camshaft 12 is more preferable.After camshaft 12 processes,
Change the current direction of motor so that gear 7 inverts, and positioning column 5 and locking post 6 are exited, and unclamps camshaft 12；It is rotated further by torsion
Spring, cam 10 rotate, and spring pulls locating piece 55 to return to original position, and convex block 54 falls, then by air inlet to U-shaped linker
Make-up gas in 4, the camshaft 12 that can be carried out next time clamp.
For those skilled in the art, without departing from the structure of the invention, several changes can also be made
Shape and improvement, these should also be considered as protection scope of the present invention, these all do not interfere with the effect and patent that the present invention is implemented
Practicability.
Claims (6)
1. camshaft processing clamping device, including pedestal, the first support column, U-shaped linker and second are equipped on pedestal successively
Support column, U-shaped linker include the first transverse tube, the second transverse tube and vertical tube, it is characterised in that：It is L-shaped positioning column to further include
And locking post, positioning column and locking post include quarter butt and stock, and positioning column and the quarter butt of locking post are respectively positioned on the upper of stock
Side, and locking post is located at positioning column lower section, the bottom end of the stock of positioning column are connected with the first horizontal push rod, the stock of locking post it is low
End is connected with the second horizontal push rod, and the free end of the quarter butt of locking post is equipped with vertical gripping block；First is equipped in first transverse tube
Piston is equipped with second piston in the second transverse tube, and first piston is connect with the first horizontal push rod free end, and second piston horizontal is pushed away with second
Bar free end connects, and the first transverse tube and the second transverse tube are isometric, and the area of the first transverse tube is more than the area of the second transverse tube；First horizontal pushes away
Gear and motor are equipped between bar and the second horizontal push rod, gear is fixedly connected with the output shaft of motor, and the first horizontal push rod is upper
Surface and the lower surface of the second horizontal push rod are equipped with rack；Stomata is transversely provided in first horizontal push rod, stomata connects with U-shaped linker
Logical, the stock of positioning column is vertically equipped with through-hole, and through-hole is connected to stomata；The top of positioning column stock is equipped with L-shaped mounting groove, peace
Tankage includes vertical slot and transverse groove, and the area of section of vertical slot is more than the area in through-hole section, and convex block is equipped in vertical slot,
Locating piece is equipped in transverse groove, the length of locating piece is more than the length of transverse groove, and the side that locating piece is located at outside transverse groove is equipped with
Holder is rotatably connected to shaft on holder, is connected with cam in shaft, and cam includes rounded portions and lug boss, rounded portions with it is fixed
Position block contacts, and torsional spring is additionally provided in shaft.
2. camshaft processing clamping device according to claim 1, it is characterised in that：Support is additionally provided on the pedestal
Frame, the cross bar of supporting rack are located at the top of U-shaped linker, and the cross bar of supporting rack is equipped with sliding slot, positioning column and locking post
Stock is slidably connected in sliding slot.
3. camshaft processing clamping device according to claim 2, it is characterised in that：The bracket slide is connected to cunning
In slot.
4. camshaft processing clamping device according to claim 3, it is characterised in that：The transverse tube of the U-shaped linker
On be hinged with gag lever post, and the movable end of gag lever post is located between the adjacent teeth of gear.
5. camshaft processing clamping device according to claim 4, it is characterised in that：The quarter butt of the positioning column from
By end and gripping block rubber pad is equipped on the end face of positioning column.
6. camshaft processing clamping device according to claim 5, it is characterised in that：First support column and second
The top of support column is equipped with height adjusting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305397.9A CN106965011B (en) | 2017-05-03 | 2017-05-03 | Camshaft processing clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305397.9A CN106965011B (en) | 2017-05-03 | 2017-05-03 | Camshaft processing clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106965011A CN106965011A (en) | 2017-07-21 |
| CN106965011B true CN106965011B (en) | 2018-09-21 |
Family
ID=59331070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710305397.9A Active CN106965011B (en) | 2017-05-03 | 2017-05-03 | Camshaft processing clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106965011B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489206B (en) * | 2017-09-21 | 2023-08-08 | 江苏声立方环保科技有限公司 | Frame-type acoustic panel without installation |
| CN108088740A (en) * | 2017-11-16 | 2018-05-29 | 六安市盛达防水材料科技有限公司 | A kind of waterproof roll tensile tester |
| CN109548287B (en) * | 2018-11-13 | 2021-05-11 | 常州信息职业技术学院 | Positioning mechanism for integrated circuit board |
| CN114178878B (en) * | 2021-12-31 | 2023-01-24 | 天津市炬臻机械配件有限公司 | Inner hole supporting structure for processing outer wall of workpiece |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035189A1 (en) * | 1990-11-06 | 1992-05-07 | Mauser Werke Oberndorf | DEVICE FOR ROTATING ANGLE POSITIONING A SHAFT PROVIDED WITH Eccentric Organs |
| JP3632786B2 (en) * | 1995-07-19 | 2005-03-23 | 本田技研工業株式会社 | Indexing jig for keyway machining |
| KR20120050242A (en) * | 2010-11-10 | 2012-05-18 | 현대중공업 주식회사 | Angle controller of assembling camshaft for 4-stroke engine |
| CN203003537U (en) * | 2012-12-28 | 2013-06-19 | 宁波圣龙浦洛西凸轮轴有限公司 | Cam shaft keyseat clamp |
| CN103949922B (en) * | 2014-05-21 | 2016-01-06 | 成都西菱动力科技股份有限公司 | A kind of Rapid positioning locking fixture for camshaft processing |
| CN205201131U (en) * | 2015-12-18 | 2016-05-04 | 浙江诺格汽车模具有限公司 | Camshaft anchor clamps |
-
2017
- 2017-05-03 CN CN201710305397.9A patent/CN106965011B/en active Active
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| Publication number | Publication date |
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| CN106965011A (en) | 2017-07-21 |
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Effective date of registration: 20201021 Address after: 8 Xinliu Avenue, Liuqiao Town, Nantong City, Jiangsu Province Patentee after: NANTONG LILIAN MACHINE TOOL MANUFACTURING Co.,Ltd. Address before: 402181 Chongqing Industrial Park in Yongchuan, Daan group Patentee before: CHONGQING TIANYUN AUTO PARTS Co.,Ltd. |
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| TR01 | Transfer of patent right |