Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of lathe for processing bore bit shape of a hoof groove, can preferably improve the working (machining) efficiency of processing shape of a hoof groove.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of lathe for processing bore bit shape of a hoof groove, including frame, frame one end is provided with unit head, the milling cutter for processing bore bit shape of a hoof groove it is provided with on unit head, it is characterized in that: in frame, be additionally provided with supporting plate and the transmission component driving supporting plate to move back and forth towards milling cutter, dividing head it is provided with on supporting plate, dividing head includes index dial, index dial axis tilts with milling cutter axis, and index dial is provided with the clamping device for clamping bore bit.
By technique scheme, as long as can realize fixing for bore bit on the clamping device being clamped on index dial by bore bit when the shape of a hoof groove processed on bore bit.After bore bit is fixing, order about supporting plate by transmission component move towards milling cutter, milling cutter is made to carry out milling to being fixed on bore bit on clamping device, process a shape of a hoof groove, when controlling to drive assembly to make supporting plate then make index dial rotate away from milling cutter after this shape of a hoof groove completion of processing, make bore bit rotate the next one and need the position of processing, repeat feed process, is processed the next shape of a hoof groove on bore bit.
Preferably, described dividing head is provided with the servomotor driving dividing head to rotate.
By technique scheme, by driven by servomotor when index dial rotates, servomotor drives index dial to rotate by the transmission component within dividing head, more convenient when making index dial rotate, quick.Arranging of servomotor can save the time rotated needed for index dial, improves production efficiency.The number of turns every time rotated can be relatively accurately defined by servomotor simultaneously, can improve precision during dividing head indexing, to improve the positional precision of shape of a hoof groove on bore bit.
Preferably, described index dial being provided with limiting section, dividing head is provided with the limit assembly coordinating locked index dial with limiting section.
By technique scheme, index dial can be avoided to rotate in milling process.Owing to bigger vibrations can be produced when milling cutter is processed for the shape of a hoof groove on bore bit, and bore bit is fixed on the clamping device in distribution head, vibrations can be delivered on index dial by clamping device, cause index dial to rotate, affect positional precision and the suface processing quality of shape of a hoof groove after processing.Limiting section and arranging of limit assembly can be locked by index dial, it is to avoid when processing shape of a hoof groove, index dial rotates.
Preferably, described limiting section is spacing hole or stopper slot, and limit assembly includes the gag lever post coordinated with spacing hole or stopper slot, and being provided with outside gag lever post slides for gag lever post snaps in realization, deviate from the gathering sill of spacing hole or stopper slot.
Pass through technique scheme, when index dial turns to the position that bore bit needs processing, first gag lever post is inserted in spacing hole or stopper slot, to realize function fully locked for index dial, prevent position in the course of processing of index dial shape of a hoof slot milling on bore bit from offseting, affect positional precision and the suface processing quality of shape of a hoof groove.
Preferably, described stopper slot is V-shaped groove, is provided with the V-arrangement fixture block matched with V-shaped groove bottom gag lever post.
By technique scheme, on the one hand can be so that limited block inserts in V-shaped groove.On the other hand, when milling bore bit, multidirectional during the vibrations of generation, when V-arrangement fixture block snaps in V-shaped groove, all mutually can conflict with the two of V-arrangement draw-in groove side in two inclined-planes of V-arrangement fixture block, can prevent index dial forward or reverse rotation simultaneously, and locked effect is more preferable.
Preferably, described V-shaped groove is arranged on the excircle of index dial, and gag lever post is vertically arranged in outside index dial and is in directly over index dial axis.
By technique scheme, when gag lever post is in V-shaped groove, V-shaped groove can be applied the power pressed down under gravity, prevent bore bit gag lever post in the course of processing from deviating from stopper slot.
Preferably, on described gag lever post, connection has for driving gag lever post reciprocating cylinder or oil cylinder in gathering sill.
Pass through technique scheme, moved by cylinder or hydraulic oil cylinder driving gag lever post, avoid the working strength of operator during this lathe works, when gag lever post inserts in stopper slot, cylinder or oil cylinder can keep impaction state simultaneously, make between gag lever post and stopper slot stuck more tight, improve shockproof effect.
Preferably, described guide pad and cylinder are arranged side by side, and cylinder upper end is extended with piston rod, and piston rod is provided with the connecting plate for being connected with gag lever post, and gathering sill is provided with the transmission groove for connecting plate motion towards the side of cylinder.
It is arranged side by side by technique scheme, gathering sill and cylinder and can reduce whole height, it is to avoid collide with other objects or hook phenomenon in supporting plate motor process.Be simultaneously connected with plate arrange can time gag lever post and piston rod be connected as a single entity, make piston rod gag lever post during stretching out or retracting remain and being synchronized with the movement of piston rod.
Preferably, described clamping device is air spider.
By technique scheme, clamping device is air spider, convenient during clamping bore bit, improves production efficiency.As long as the clamping intracavity that bore bit is placed in air spider, start chuck and can realize the clamping for bore bit.Use air spider clamping force accurately to be controlled, as long as controlling the air pressure of input, it is to avoid to cause bore bit to deform when clamping simultaneously.
Preferably, described transmission component includes motor, leading screw and feed screw nut, and motor is fixed in frame and drives screw turns, and feed screw nut is fixed on supporting plate and is set on leading screw.
By technique scheme, can drive easily supporting plate near or away from milling cutter.During work, motor takes screw turns to, makes leading screw drive feed screw nut to move along leading screw axial direction, to drive supporting plate to move, with this company's of drive workpiece motion s, it is achieved milling.Accelerate movement velocity relative to the most manual type of drive, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the outline drawing of embodiment 1；
Fig. 2 is the outline drawing at the visual angle of the dividing head opposite side of embodiment 1;
Fig. 3 is the outline drawing at visual angle, embodiment 1 dividing head rear;
Fig. 4 is the enlarged drawing in Fig. 1 at A;
Fig. 5 is the enlarged drawing in Fig. 2 at B;
Fig. 6 is the outline drawing of embodiment 2.
Reference: 1, frame；2, unit head；3, milling cutter；4, bore bit；41, shape of a hoof groove；5, dividing head；6, supporting plate；7, index dial；71, stopper slot；8, air spider；9, gag lever post；91, V-arrangement fixture block；10, transmission groove；11, cylinder；13, connecting plate；14, gathering sill；15, motor；16, servomotor；17, leading screw；18, feed screw nut；19, spacing hole.
Embodiment 1: as shown in Figure 1, Figure 2 and Figure 3, a kind of lathe for processing bore bit 4 shape of a hoof groove 41, is frame 1 below, and frame 1 one end is provided with unit head 2, is provided with power source motor and gear in unit head 2.Unit head 2 front end is extended with tool-holder, and tool-holder is clamped with milling cutter 3.Being provided with supporting plate 6 in the middle part of frame 1, supporting plate 6 can move back and forth along the direction of vertical frames 1 length, is fixed with feed screw nut 18, frame 1 is provided with the leading screw 17 coordinating and driving supporting plate 6 to move in feed screw nut 18 below supporting plate 6, and leading screw 17 one end is connected with motor 15.Being fixed with dividing head 5 on supporting plate 6, the side of dividing head 5 milling cutter 3 dorsad is fixed with the servomotor 16 driving dividing head 5 to rotate.Dividing head 5 is provided with index dial 7 towards the side of milling cutter 3, and the axis of index dial 7 is obliquely installed with milling cutter 3 axis, so that the shape of a hoof groove 41 that bore bit 4 produces after being milled has certain gradient, to reach to design requirement.Being fixed with air spider 8 on index dial 7, air spider 8, towards milling cutter 3 side, is used for clamping bore bit 4.
The most as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the stopper slot 71 of V-arrangement it is provided with on index dial 7, stopper slot 71 is on the excircle of index dial 7, it is fixed with fixed block on dividing head 5, gathering sill 14 it is provided with in fixed block, being sliding combined with gag lever post 9 in gathering sill 14, gag lever post 9 is vertically arranged and is in index dial 7 axially surface.Gag lever post 9 lower end is provided with the V-arrangement fixture block 91 coordinated with V-arrangement limited block.Cylinder 11 it is additionally provided with on dividing head 5, cylinder 11 upper end is extended with piston rod, connected by contiguous block between piston rod and limited block, gathering sill 14 is provided with transmission groove 10 towards the side of cylinder 11, so that contiguous block connects gag lever post 9 in can stretching into gathering sill 14, gag lever post 9 is made to be synchronized with the movement with piston rod.
Operation principle: be first placed in the holding chamber of air spider 8 by bore bit 4 to be processed during work, then controls air spider 8 and clamps bore bit 4.In gag lever post 9 snaps in stopper slot 71 under the drive of cylinder 11 simultaneously and keep gag lever post 9 and stopper slot 71 to be in the state of pushing against, it is to avoid during milling, index dial 7 rotates.The motor 15 being then attached in frame 1 rotates and drives leading screw 17 to rotate, to drive supporting plate 6 to move towards milling cutter 3, simultaneously milling cutter 3 under the driving of unit head 2 also around himself axis rotate, when conflicting with milling cutter 3 in bore bit 4 side, milling cutter 3 carries out milling to bore bit 4, is processed the processing of shape of a hoof groove 41.The motor 15 controlled in frame 1 after shape of a hoof groove 41 at this has processed on bore bit 4 inverts, supporting plate 6 is made to drive bore bit 4 to move towards the direction away from milling cutter 3, to obtain enough spaces, then cylinder 11 moves upward and drives gag lever post 9 to deviate from stopper slot 71, then make dividing head 5 being rotated by servomotor 16, bore bit 4 is turned to the next position needing processing.Repeat milling process it is known that the shape of a hoof groove 41 on bore bit 4 processes.