A kind of clamping device for bar non-radial hole drilling processing
The present invention relates to clamping tooling technical field, specifically a kind of folder for bar non-radial hole drilling processing
For bar, it is carried out holing is common machining operation.Boring includes radial hole, axial hole and non-
Radial hole, on general lathe, cutter is all vertical placement or horizontal positioned.But, when boring non-radial hole, need to protect
Hold the relative tilt of cutter and bar.On lathe, it is more complicated for making cutter be in heeling condition, and cutter is in fortune
Dynamic state, keeps the inclination difficulty of cutter larger.Therefore, make bar be in heeling condition to can be very good to ensure non-radial hole
Processing, and it is badly in need of a kind of clamping device for bar is carried out with Non-radial holes.
Content of the invention
It is an object of the invention to provide a kind of clamping device for bar non-radial hole drilling processing, right for solving
When bar carries out Non-radial holes, bar grips the problem of inconvenience.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of for bar non-radial hole drilling processing
Clamping device, is characterized in that, including base, guide rail, fixed block, slide block, left clamping assembly, right clamping assembly and fairlead positioning
Assembly, is provided with a pair of parallel guide rail at the top of described base, is respectively equipped with a fixed block in the right-hand member of guide rail described in two,
Fixed block described in two is provided with right clamping assembly；It is slidably installed respectively a slide block in the left side of guide rail described in two, synchronous dynamic two
It is provided with, between the described slide block made and base, the translational drive mechanism driving slide block to move back and forth, a left side is provided with slide block described in two
Clamping assembly, described left clamping assembly is identical with right clamping assembly structure composition；
Described left clamping assembly includes support, entablature, sill, upper fixture block, lower fixture block and screw rod, in described support
Top is provided with entablature, is provided with a upper fixture block in the lower section of described entablature, is provided with drive between described entablature and upper fixture block
First elevating mechanism of dynamic upper fixture block lifting；It is provided with sill in the lower section of described upper fixture block, described sill and bracket slide
Connect, the lower fixture block with upper fixture block mating reaction is provided with described sill, between described sill and support, is provided with drive
Second elevating mechanism of dynamic sill lifting；Fix a screw rod in the bottom of described support, the two ends of described screw rod rotate respectively
It is arranged on two slide blocks, described in one, slide block is provided with housing wherein, be provided with drive screw between described housing and screw rod and turn
Dynamic drive mechanism, the worm gear that described drive mechanism includes being fixed on screw rod engages the worm screw coordinating with worm gear and worm screw is common
The driven wheel of differential of axle setting, the drive bevel gear being rotatably installed on housing and the 5th handss being fixed on driving tapered gear shaft
Handle, is provided with angle dial on the housing, is provided with lock-screw between described housing and drive mechanism；
It is provided with fairlead locating assembly between left clamping assembly and right clamping assembly, described fairlead locating assembly includes
The column being fixed on base, the installing plate being slidably mounted on column, setting fairlead on a mounting board and be arranged on peace
Locking mechanism between dress plate and column, is provided with the circular hole communicating with fairlead on described installing plate.
Further, the feed screw nut that described translational drive mechanism includes being arranged between two slide blocks is joined with feed screw nut
The first leading screw closing and the first handle being fixed on the first leading screw drive end, described first leading screw is connected with base rotation.
Further, described first elevating mechanism includes being fixed on the rotation nut of entablature and rotates nut screw connection
Second leading screw and the 3rd handle being fixed on rotation nut, described upper fixture block is fixed on the bottom of the second leading screw.
Further, described second elevating mechanism include with sill screw thread cooperation the 3rd leading screw, be fixed on the 3rd
The worm gear at thick stick top engage with worm gear cooperation worm screw and the 4th handle being fixed on worm shaft, described 3rd leading screw with
Frame rotates and connects.
Further, described locking mechanism includes fixing stud on a mounting board and the second handle with stud cooperation.
Further, described support is two being oppositely arranged, and described 3rd leading screw is separately positioned on two stands for two
On, the coaxial setting of two worm screws with the worm gear on the 3rd leading screw described in two.
Further, the effect end of described upper fixture block and lower fixture block is v shape.
The invention has the beneficial effects as follows: a kind of clamping dress for bar non-radial hole drilling processing that the present invention provides
Put, the two ends of bar are clamped in respectively in the left clamping assembly and right clamping assembly being obliquely installed, left and right clamping the inclining of assembly
Tiltedly realized by turning handle, the holding at left and right clamping assembly angle of inclination is realized by lock-screw, is arranged on left and right folder
The fairlead locating assembly held between assembly provides guiding for the boring of cutter.The present invention can conveniently realize the clamping to bar,
And make bar keep heeling condition, be conducive to gripping and holing of bar, and can guarantee that the efficiency of boring.
Fig. 1 is the graphics of the present invention；
Fig. 2 is the graphics of left clamping assembly；
Fig. 3 is the cooperation graphics of base and guide rail；
Fig. 4 is fairlead locating assembly graphics；
In figure: 1 base, 11 guide rails, 12 fixed blocks, 13 slide blocks, 14 feed screw nuts, 15 first leading screws, 16 first handles, 17
Support base, 2 right clamping assemblies, 3 left clamping assemblies, 4 fairlead locating assemblies, 41 columns, 42 slideways, 43 installing plates, 44 guiding
Set, 45 second handles, 51 supports, 52 entablatures, 53 second leading screws, 54 the 3rd handles, 55 sills, 56 connecting shafts, 57 worm gears,
58 worm screws, 59 the 4th handles, 60 the 3rd leading screws, 6 screw rods, 61 upper fixture blocks, 62 lower fixture blocks, 63 housings, 64 the 5th handles, 65 lockings
As shown in Figures 1 to 4, the present invention always includes base 1, right clamping assembly 2, left clamping assembly 3 and fairlead positioning
Become 4, present invention is described below in conjunction with the accompanying drawings.
As shown in figure 3, base 1 is the matrix of this clamping device, it is arranged on lathe by bolt.Set at the top of base
There are two parallel guide rails 11, be respectively equipped with a fixed block 12 in the right-hand member of two guide rails, be slidably installed respectively in the left end of two guide rails
One slide block 13, is provided with right clamping assembly 2 on two fixed blocks.It is provided with a feed screw nut 14 between two slide blocks, feed screw nut
Two ends are separately fixed on slide block, are provided with left clamping assembly 3 on two slide blocks and feed screw nut.For driving the shifting of feed screw nut
Dynamic, support base 17 is provided with base, support base is rotatablely equipped with the first leading screw 15, the first leading screw and feed screw nut are joined
Close, be provided with first handle 16 in the drive end of the first leading screw, rotate the rotation that first handle drives the first leading screw, and then realize silk
The movement of thick stick nut.First leading screw and feed screw nut, first handle constitute translational drive mechanism.Also a connecting plate can be passed through will
Two slide blocks are fixed together, and arrange cylinder, to drive the movement of feed screw nut between connecting plate and base.
As shown in Fig. 2 left clamping assembly 3 includes support 51, entablature 52, the second leading screw 53, the 3rd handle 54, sill
55th, connecting shaft 56, worm gear 57, worm screw 58, the 4th handle 59, the 3rd leading screw 60, screw rod 6, upper fixture block 61, lower fixture block 62, housing
63rd, the 5th handle 64 and lock-screw 65, support 51 is two being oppositely arranged, and is provided with entablature 52 at the top of two stands,
Two stands are fixed together by one side entablature, and on the other hand, entablature is installing component, rotate peace on entablature
Fill a rotation nut, one second leading screw 53 is installed in cooperation in rotation nut, is installed with folder in the bottom of the second leading screw
Block 61, is fixed with the 3rd handle 54, to drive the rotation of rotation nut on rotation nut.Rotation nut, the second leading screw and the
Three handles constitute the first lift assembly.It is provided with chute in the inner side of two stands, be slidably installed in chute a sill 55, under
The two ends of crossbeam extend in chute, and sill can move up and down in chute.Lower fixture block 62 is installed with sill,
Lower fixture block and upper fixture block cooperation clamping bar, and the effect end of upper and lower fixture block is v shape.For drive sill lifting, under
Crossbeam be respectively arranged at two ends with screwed hole, be respectively cooperating with being provided with the 3rd leading screw 60 in two screwed holes, every one the 3rd leading screw
Upper end is rotatably installed in the top of support.The cooperation of the 3rd leading screw and sill is equivalent to the cooperation of feed screw nut, at the 3rd
The top of thick stick fixedly mounts a worm gear 57, rotates at the top of each base and installs a worm screw 58, the worm gear of worm screw and corresponding side
Engagement cooperation, for make two the 3rd leading screws in the same direction, synchronous axial system, to realize the steady lifting of sill, two worm screws pass through level
The connecting shaft 56 placed is fixed together, and the model of two pairs of worm and gears is identical.And it is fixing on a worm shaft wherein
4th handle 59 is installed, to drive the synchronous axial system of two worm screws.When rotating three handles, the lifting of upper fixture block can be driven,
When rotating four handles, the lifting of lower fixture block can be driven.3rd leading screw, worm gear, worm screw and the 4th handle constitute second liter
Fall assembly.It is provided with a screw rod 6 between the bottom of two stands, the two ends of screw rod are separately fixed at the bottom of support, wherein one
Fixed block is provided with a housing 63, and one end of screw rod is worn in the housing, is provided with drive mechanism, driver between housing and screw rod
The outfan of structure is connected with screw rod, and the input shaft of drive mechanism stretches out housing and the input in drive mechanism is provided with the 5th handle
64.Worm screw that the worm gear that drive mechanism can include being fixed on screw rod is connected with housing into rotation, be fixed on worm shaft from
Dynamic bevel gear and the drive bevel gear being fixed on transmission input shaft, the self-locking performance of worm and gear also ensures that screw rod will not
Voluntarily rotate.Lock-screw 65 is additionally provided with housing, lock-screw withstands in drive bevel gear, prevents drive bevel gear voluntarily
Rotate.Drive mechanism can also be made up of three bevel gears, and wherein first bevel gear is fixed on screw rod, the 3rd bevel gear
By the 5th handle drives, second bevel gear is located between first, third hand tap gear, and equally arranges lock-screw, prevents spiral shell
The voluntarily rotation of bar.Graduated disc is provided with housing, the angle value on graduated disc can show the angle of riding.
As shown in figure 1, right clamping assembly 2 is identical with left clamping assembly 3 composition structure, right clamping assembly is arranged on base
Right side, left clamping assembly is arranged on the left side of base.During use, left and right clamping assembly clamps the two ends of bar respectively.
Fairlead locating assembly is arranged between left and right clamping assembly, as shown in figure 4, fairlead locating assembly includes standing
Post 41, slideway 42, installing plate 43, fairlead 44 and second handle 45, column is fixed on base, is provided with slideway on column
42, slideway is slidably fitted with installing plate 43, installing plate 43 can slide up and down, and is provided with fairlead 44 on a mounting board, is leading
Installing plate to set lower section is provided with the circular hole being connected with fairlead.It is provided with a stud on a mounting board, stud coordinates
Second handle 45 is installed, installing plate is slided into behind suitable position, rotation second handle makes second handle be squeezed in column
On, being relatively fixed of achievable installing plate, to facilitate cutter to pass through fairlead to punch.
When carrying out non-radial punching, second handle is driven to rotate so that left clamping assembly is identical with the rotation of right clamping assembly
Angle, the two ends of bar are individually placed to adjust respectively the height of upper lower fixture block in left and right clamping assembly in left and right clamping assembly
Degree, to adapt to the needs holed.