CN106965011A - Camshaft processing clamping device - Google Patents
Camshaft processing clamping device Download PDFInfo
- Publication number
- CN106965011A CN106965011A CN201710305397.9A CN201710305397A CN106965011A CN 106965011 A CN106965011 A CN 106965011A CN 201710305397 A CN201710305397 A CN 201710305397A CN 106965011 A CN106965011 A CN 106965011A
- Authority
- CN
- China
- Prior art keywords
- push rod
- horizontal push
- locating dowel
- stock
- transverse tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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 machining technology field, disclose camshaft processing clamping device, including base, base is provided 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, locating dowel and locking post also including L-shaped, the low side of the stock of locating dowel are connected with the first horizontal push rod, and the low side for locking the stock of post is connected with the second horizontal push rod；The right-hand member of first horizontal push rod is connected with first piston, and the right-hand member of the second horizontal push rod is connected with second piston；It is provided between first horizontal push rod and the second horizontal push rod on gear, the first horizontal push rod and the second horizontal push rod and is equipped with rack；Stomata is provided with first horizontal push rod, the stock of locating dowel is provided with through hole；Provided with horizontal projection and vertical locating piece in the top mounting groove of locating dowel stock, mounting groove, the left side of locating piece, which is provided with rotating shaft, rotating shaft, is connected with cam and torsion spring.Solve the problem of 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 part in piston engine, unlatching and closure for controlling valve, including a main shaft
With some bulge loops on main shaft outer ring, and the rounded portions of adjacent bulge loop stagger.Generally used during camshaft is processed
Be that two ends are fixed, after machining, then centering, be processed, this method, need as positioning datum, then to two ends
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 CN103949922B Chinese patent, there is provided one kind
Be provided with the Rapid positioning locking fixture processed for camshaft, including bottom plate, bottom plate the first support column, the second support column and
Locating dowel, locking post and drive device between the first support column and the second support column, low side and the driving of locating dowel are filled
The housing connection put, locks the bottom of post and the drive shaft of drive device is connected.The technical program passes through the first support column and
The two ends of camshaft are supported by two support columns, then the upper end by fixed locating dowel and the wall contacts of bulge loop, are passed through
Drive device drives drive shaft, so as to drive locking post close to locating dowel, bulge loop is clamped, so as to realize camshaft
Clamp so that each face of camshaft can be processed.
But, also there is following technical problem in above-mentioned technical proposal：
1st, above-mentioned technical proposal is fixed by locating dowel, drives locking post to be moved to locating dowel direction using drive device,
Realization is clamped to the bulge loop on camshaft, and this mode efficiency when clamping is too low, so as to cause the processing of camshaft to be imitated
Rate is low；
2nd, it is only mutually close by locating dowel and locking post so that the effect of the clamping of camshaft is bad, can be with during camshaft processing
Relative motion occurs for fixture, causes camshaft to be damaged, and influences the precision of camshaft.
The content of the invention
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 following technical scheme, camshaft processing clamping device, including base,
The first support column, U-shaped linker and the second support column are sequentially provided with base, U-shaped linker includes the first transverse tube, the second transverse tube
And vertical tube, it is characterised in that：Locating dowel and locking post also including L-shaped, locating dowel and locking post include quarter butt and stock, and
The quarter butt of locating dowel and locking post is respectively positioned on the top of stock, and locking post is located at below locating dowel, the bottom of the stock of locating dowel
End is connected with the first horizontal push rod, and the low side for locking the stock of post is connected with the second horizontal push rod, locks the free end peace of the quarter butt of post
Equipped with vertical gripping block；It is provided with first transverse tube in first piston, the second transverse tube and is provided with second piston, first piston and first
Horizontal push rod free end connection, second piston is connected 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 provided between first horizontal push rod and the second horizontal push rod
The output shaft of machine is fixedly connected, and the lower surface of the upper surface of the first horizontal push rod and the second horizontal push rod is equipped with rack；First is horizontal
Stomata is transversely provided with push rod, stomata is connected with U-shaped linker, the stock of locating dowel is vertically provided with through hole, and through hole connects with stomata
It is logical；The top of locating dowel stock is provided with the mounting groove of L-shaped, and mounting groove includes vertical slot and transverse groove, the area of section of vertical slot
Locating piece is provided with more than being provided with the area in through hole section, and vertical slot in projection, transverse groove, the length of locating piece is more than laterally
The length of groove, the side that locating piece is located at outside transverse groove is provided with support, be rotatably connected in rotating shaft, rotating shaft on support be connected with it is convex
Wheel, cam includes rounded portions and lug boss, and rounded portions are contacted with locating piece, and torsion spring is additionally provided with rotating shaft.
The technique effect of this programme technical characteristic：Locating dowel realizes the clamping of camshaft bulge loop with locking post；Lock post
Gripping block on quarter butt can stop to the bulge loop of camshaft, realize the clamping of bulge loop；The cooperation of wheel and rack is realized fixed
Position post and locking post are moved towards, and are shortened the time for clamping and using, are improved efficiency；Projection be for by with bulge loop phase to be clamped
Another adjacent bulge loop is pushed against；Locating piece is used for supporting lug, it is to avoid projection falls downwards；Cam is used to promote locating piece in installation
Moved in groove, torsion spring is used to drive axis of rotation, so as to realize the rotation of cam.
Pinion rotation, drives the first horizontal push rod and the second horizontal push rod to move towards, the first horizontal push rod extruding first piston, the
Two horizontal push rods pull second pistons, and because the displacement of the first horizontal push rod and the second horizontal push rod is identical, therefore 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 be used to promote second piston to produce displacement, another part discharged by stomata, and gas is again along through hole to moving up
Move, when gas reaches positioning top end, promote projection to move up, after projection movement, the horizontal no longer stress of locating piece, therefore
Torsion spring in rotating shaft certainly, drives cam rotation, and the lug boss of cam promotes locating piece movement, and locating piece is moved under projection
Side, projection is supported, and projection moves up and pushes against the adjacent bulge loop of bulge loop to be clamped, therefore is moved in opposite directions in locating dowel and locking post
It is dynamic that projection pushes against adjacent bulge loop, both shortens the time of clamping bulge loop, and 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 to the two ends of camshaft, then are opened
Moving gear, pinion rotation is relatively moved by the rack drives locating dowel and locking post of engagement, the bulge loop on camshaft is carried out
Clamp；The displacement of locating dowel and locking post movement is equal, therefore the first piston in U-shaped linker and the position of second piston
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 projection upwards push against bulge loop, and now cam rotation, promotes locating piece to be supported projection,
Avoid projection from dropping, realize 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 be produced has the technical effect that：
1st, the time that bulge loop is spent that clamps can be shortened by the first locking post and moving towards for the second locking post, improves folder
The efficiency held, so as to improve the efficiency of processing；
2nd, it is different from the area of the second transverse tube by the first transverse tube, and first piston is identical with the displacement that second piston is moved,
So that the gas in U-shaped linker is discharged from through hole, projection is promoted to push against another bulge loop so that the clamping effect of device is more
It is good.
The following is the preferred scheme based on such scheme：
Preferred scheme one：Support frame is additionally provided with the base, the cross bar of support frame is located at the top of U-shaped linker, and support
The cross bar of frame is provided with chute, and locating dowel and the stock of locking post are slidably connected in chute.Support frame can be to locating dowel
It is supported with locking post, mitigates the stress of U-shaped linker；Chute is set to facilitate locating dowel and locking post movement.
Preferred scheme two：Based on preferred scheme one, the bracket slide is connected in chute.Cam is moved with locating dowel
Enter line slip in chute so that the rounded portions of cam are pushed against with locating piece all the time, and locating piece is positioned.
Preferred scheme three：Based on preferred scheme two, gag lever post, and gag lever post are hinged with the transverse tube of the U-shaped linker
Movable end be located at gear adjacent teeth between.Gag lever post carries out spacing after gear stops operating to gear, it is to avoid gear
Camshaft is released caused by reversion.
Preferred scheme four：Based on preferred scheme three, the free end of the quarter butt of the locating dowel and gripping block are close to locating dowel
End face on be equipped with rubber blanket.Rubber think pad can avoid bulge loop and locating dowel and gripping block rigid contact, it is to avoid bulge loop by
Damage.
Preferred scheme five：Based on preferred scheme four, the top of first support column and the second support column is equipped with height
Regulating block.It can adapt to various camshafts.
Brief description of the drawings
Fig. 1 is the structural representation 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.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Base 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, locating dowel 5, the first horizontal push rod
51st, stomata 511, through hole 52, mounting groove 53, projection 54, locating piece 55, locking post 6, the second horizontal push rod 61, gripping block 62, gear
7th, rack 8, support frame 9, cam 10, support 101, height adjusting blocks 11, camshaft 12, bulge loop 121.
As shown in figure 1, the axle processing clamping device of cam 10, including base 1, first is provided with from left to right on base 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 regulating block 11.The two ends of U-shaped linker 4 are provided with a support frame 9, and the cross bar of support frame 9 is provided with horizontal chute, 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 horizontal
The area of the longitudinal section of pipe 41, which is more than in the area of the longitudinal section of the second transverse tube 42, the first transverse tube 41, is provided with first piston 411, and second is horizontal
Second piston 421 is provided with pipe 42；The right flank of vertical tube 43 is provided with air inlet.
The locking post 6 of locating dowel 5 and L-shaped of the left end of U-shaped linker 4 provided with L-shaped, locating dowel 5 and locking post 6 include
The quarter butt of quarter butt and stock, locating dowel 5 and locking post 6 is respectively positioned on above stock, and locating dowel 5 is located at the top of locking post 6, fixed
The stock of position post 5 and locking post 6 is slidably connected in the chute of support frame 9；The bottom of locating dowel 5 is connected with the first horizontal push rod
51, the bottom for locking the stock of post 6 is connected with the second horizontal push rod 61, and the right-hand member of quarter butt is provided with vertical gripping block 62, locating rod
Right-hand member and the left side of gripping block 62 be equipped with rubber blanket.The first horizontal right-hand member of push rod 51 is connected with first piston 411, and second is horizontal
Push rod 61 is connected with second piston 421.
Base 1, which is provided with motor, the output shaft of motor, is connected with gear 7, and gear 7 is located at the first horizontal push rod 51 and second
Between horizontal push rod 61, and the lower surface of the upper surface of the first horizontal push rod 51 and the second horizontal push rod 61 is equipped with what is engaged with gear 7
Rack 8.First horizontal push rod 51 is transversely provided with stomata 511, and stomata 511 is connected with U-shaped linker 4, and the stock edge of locating dowel 5 is perpendicular
To provided with through hole 52, through hole 52 is connected with stomata 511.The left surface 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 locating dowel 5 is provided with the mounting groove 53 of L-shaped, mounting groove 53 includes vertical slot and horizontal stroke
To groove, the cross-sectional area of vertical slot, which is more than in the area of the cross section of through hole 52, and the vertical slot of mounting groove 53, is provided with projection 54, peace
Locating piece 55 is provided with the translot of tankage 53, the length of locating piece 55 is more than the length of translot；The left end of chute is slidably connected
Rotating shaft is rotatably connected on support 101, support 101, rotating shaft is provided with torsion spring and cam 10, and cam 10 includes rounded portions and projection
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 connected with support 101.
During using the present embodiment, camshaft 12 is placed on the first support column 2 and the second support column 3 first, regulation is high
Spending regulating block 11 causes the bulge loop 121 of camshaft 12 to be located between locating dowel 5 and locking post 6；Restart motor, band moving gear 7
Rotate counterclockwise, by engaging for gear 7 and rack 8, the first horizontal push rod 51 is moved right, and the second horizontal push rod 61 is moved to the left,
Realize the clamping of bulge loop 121；Because the first horizontal push rod 61 of horizontal push rod 51 and second is to move to realize with carry-over bar 8 by gear 7
Displacement, therefore the displacement of the first horizontal push rod 61 of horizontal push rod 51 and second is identical, first piston 411 and second piston 421
Displacement be 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 projection 54 is promoted when gas outreaches,
The upward sliding of projection 54, now, projection 54 no longer extrude locating piece 55 to the left, and the torsion spring of left end rotates, band moving cam 10
Rotate, the lug boss extruding locating piece 55 of cam 10, locating piece 55 supports projection 54, it is to avoid projection 54 drops.Projection 54 will
Another bulge loop 121 in the left side of bulge loop 121 is pushed against so that the clamping effect of camshaft 12 is more preferable.After camshaft 12 is processed,
Change the sense of current of motor so that gear 7 is inverted, locating dowel 5 and locking post 6 are exited, camshaft 12 is unclamped；It is rotated further by turning round
Spring, cam 10 is rotated, and spring pulls locating piece 55 to return to original position, and projection 54 falls, then by air inlet to U-shaped linker
Make-up gas in 4, is clamped with regard to the camshaft 12 that can be carried out next time.
For those skilled in the art, without departing from the structure of the invention, some changes can also be made
Shape and improvement, these should also be considered as protection scope of the present invention, these effects and patent for implementing all without the influence present invention
Practicality.
Claims (6)
1. the first support column, U-shaped linker and second are sequentially provided with camshaft processing clamping device, including base, base
Support column, U-shaped linker includes the first transverse tube, the second transverse tube and vertical tube, it is characterised in that：Locating dowel and lock also including L-shaped
Tight post, locating dowel and locking post include quarter butt and stock, and the quarter butt of locating dowel and locking post is respectively positioned on the top of stock, and
Lock post to be located at below locating dowel, the bottom of the stock of locating dowel is connected with the first horizontal push rod, the low side for locking the stock of post connects
The second horizontal push rod is connected to, the free end for locking the quarter butt of post is provided with vertical gripping block；First piston is provided with first transverse tube,
Second piston is provided with second transverse tube, first piston is connected with the first horizontal push rod free end, second piston and the second horizontal push rod are certainly
By end connection, 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 push rod with
Gear and motor are provided between second horizontal push rod, gear is fixedly connected with the output shaft of motor, and the upper surface of the first horizontal push rod
Rack is equipped with the lower surface of the second horizontal push rod；Stomata is transversely provided with first horizontal push rod, stomata is connected with U-shaped linker,
The stock of locating dowel is vertically provided with through hole, and through hole is connected with stomata；The top of locating dowel stock is provided with the mounting groove of L-shaped, installs
Groove includes vertical slot and transverse groove, and the area of section of vertical slot, which is more than in the area in through hole section, and vertical slot, is provided with projection, horizontal
Locating piece is provided with into 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 provided with branch
It is rotatably connected on frame, support in rotating shaft, rotating shaft and is connected with cam, cam includes rounded portions and lug boss, rounded portions and positioning
Block is contacted, and torsion spring is additionally provided with rotating shaft.
2. camshaft processing clamping device according to claim 1, it is characterised in that：Support is additionally provided with the base
Frame, the cross bar of support frame is located at the top of U-shaped linker, and the cross bar of support frame is provided with chute, locating dowel and locking post
Stock is slidably connected in chute.
3. camshaft processing clamping device according to claim 2, it is characterised in that：The bracket slide is connected to cunning
In groove.
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 locating dowel from
By end and gripping block rubber blanket is equipped with the end face of locating dowel.
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 true CN106965011A (en) | 2017-07-21 |
| CN106965011B 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489206A (en) * | 2017-09-21 | 2017-12-19 | 江苏声立方环保科技有限公司 | One kind is without installation frame abatvoix |
| 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 |
| CN109548287A (en) * | 2018-11-13 | 2019-03-29 | 常州信息职业技术学院 | A kind of integrated circuit board positioning mechanism |
| CN114178878A (en) * | 2021-12-31 | 2022-03-15 | 天津市炬臻机械配件有限公司 | Inner hole supporting structure for processing outer wall of workpiece |
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| EP0484834A1 (en) * | 1990-11-06 | 1992-05-13 | Mauser-Werke Oberndorf GmbH | Angular positioning of shafts |
| JPH0929586A (en) * | 1995-07-19 | 1997-02-04 | Honda Motor Co Ltd | Indexing jig for processing key groove |
| 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 |
| CN103949922A (en) * | 2014-05-21 | 2014-07-30 | 成都西菱动力科技股份有限公司 | Quick positioning and locking clamp for processing camshaft |
| CN205201131U (en) * | 2015-12-18 | 2016-05-04 | 浙江诺格汽车模具有限公司 | Camshaft anchor clamps |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0484834A1 (en) * | 1990-11-06 | 1992-05-13 | Mauser-Werke Oberndorf GmbH | Angular positioning of shafts |
| JPH0929586A (en) * | 1995-07-19 | 1997-02-04 | Honda Motor Co Ltd | Indexing jig for processing key groove |
| KR20120050242A (en) * | 2010-11-10 | 2012-05-18 | 현대중공업 주식회사 | Angle controller of assembling camshaft for 4-stroke engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489206A (en) * | 2017-09-21 | 2017-12-19 | 江苏声立方环保科技有限公司 | One kind is without installation frame abatvoix |
| 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 |
| CN109548287A (en) * | 2018-11-13 | 2019-03-29 | 常州信息职业技术学院 | A kind of integrated circuit board positioning mechanism |
| CN109548287B (en) * | 2018-11-13 | 2021-05-11 | 常州信息职业技术学院 | Positioning mechanism for integrated circuit board |
| CN114178878A (en) * | 2021-12-31 | 2022-03-15 | 天津市炬臻机械配件有限公司 | Inner hole supporting structure for processing outer wall of workpiece |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106965011B (en) | 2018-09-21 |
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| TR01 | Transfer of patent right |
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 |