A kind of vertical lathe tool slide
Technical field
The present invention relates to a kind of vertical lathe tool slide, be mainly used in horizontal (radially) feed motion and vertically (axially) feed motion of realizing the vertical lathe knife rest.
Background technology
Vertical lathe is an equipment commonly used in the machining; Be indispensable equipment during heavy-duty machineries such as steam turbine, the hydraulic turbine, heavy electric machinery, mine metallurgy are made; It is mainly used in the various rotary surfaces of processing, like the end face of inside and outside periphery, conical surface and revolving body etc.At present, the feed motion of most of vertical lathe all drives knife rest by leading screw and feed rod and realizes that wherein leading screw and feed rod are the output shaft of feed box, and leading screw is realized the traverse feed feeding of knife rest, and feed rod is realized the length feed motion of knife rest.Traditional feeding scheme has a lot of deficiencies: 1, will realize horizontal, the length feed motion of knife rest, leading screw, two output shafts of feed rod must be set in feed box, increase the complexity of feed box design; 2, because the existence of feed rod has increased the weight that the vertical lathe crossbeam bears, reduced the guiding accuracy of crossbeam.
Summary of the invention
The present invention provides a kind of vertical lathe tool slide, can realize traverse feed, length feed respectively, and the length feed direction is adjustable, and is simple in structure, convenient and flexible operation.
In order to solve the problems of the technologies described above; The present invention adopts following technical scheme: a kind of vertical lathe tool slide, comprise slide plate body, cutter holder, tool rest bracket, cross feed device, longitudinal feeding device and angular adjustment apparatus, and cutter holder is connected with the slide plate body; Longitudinal feeding device comprises dovetail slideway and longitudinal leadscrew; Laterally apparatus for feeding comprises clasp nut, clasp nut controlling organization and horizontal leading screw, and laterally leading screw can only rotate, and can not move along axis direction; Longitudinal feeding device is rotatably installed on the face of cylinder in tool rest bracket left side; The chute of dovetail slideway and slide plate body is along vertically being slidingly matched; Be provided with the longitudinal screw pipe that cooperates with longitudinal leadscrew through bearing in the dovetail groove guide rail; Dovetail groove guide rail one side is connected with tool rest bracket, and the longitudinal screw pipe is in transmission connection through clutch through drive disk assembly and power transmission shaft that passes tool rest bracket left circles cylinder center and horizontal leading screw; Laterally the clasp nut of apparatus for feeding is provided with internal thread and cooperates with horizontal leading screw external screw thread, and the vertical guide edge that is provided with on clasp nut and the tool rest bracket vertically slidably cooperates; Between tool rest bracket and longitudinal feeding device, be provided with and make longitudinal feeding device along the angular adjustment apparatus of the face of cylinder rotation in tool rest bracket left side and be provided with the holding screw that is used for fixing the longitudinal feeding device position of rotation.
The clasp nut controlling organization comprises sleeve, disk, bearing pin, handle; On the upper and lower two-part end face of clasp nut, be respectively equipped with bearing pin, sleeve is located on the horizontal leading screw, and sleeve one end is fixed with disk; On the disk between sleeve and the disk excircle, be symmetrical set two grooves; From the end to end of groove, the distance of groove and disc centre increases gradually, and two bearing pins pass corresponding groove respectively.
Angular adjustment apparatus comprises worm screw, worm sector and worm bracket, and worm screw is connected with the dovetail groove guide rail through worm bracket, and worm sector is connected with tool rest bracket, and described holding screw is arranged between dovetail groove guide rail and the gantry base.
The longitudinal screw pipe is in transmission connection through bevel gear and power transmission shaft; Described clutch comprises slipping toothed electromagnetic clutch; Laterally leading screw has the keyway of axial perforation; Slipping toothed electromagnetic clutch right-hand member and bevel gear cover are fixing, and the slipping toothed electromagnetic clutch left end cooperates with the horizontal leading screw that has logical keyway through feather key.
The groove two ends are provided with the self-locking grooves of the little angle of wedge.
The present invention is simple in structure, and is easy and simple to handle, is mainly used in the in-movement and the length feed motion that realize the vertical lathe knife rest, also can be used for other mechanical devices that needs are realized this both direction motion.The present invention waits horizontal, the lengthwise movement that realizes the vertical lathe knife rest by a rhizoid thick stick, clasp nut, the disk that has groove, slipping toothed electromagnetic clutch, to replace the scheme of leading screw, feed rod and usefulness in traditional vertical lathe.The lengthwise movement of knife rest can be used for processing the inside and outside circle cylinder, and transverse movement can be used for processing end face.In addition, angle and longitudinal feeding device that angular adjustment apparatus can be adjusted knife rest cooperate the oblique feed motion that can realize knife rest, to be used to process taper seat.This transmission scheme has saved the feed rod running part, has reduced the complexity of feed box structure, has alleviated the weight that the vertical lathe crossbeam bears, and has reduced the deflection of crossbeam, has improved the guiding accuracy of crossbeam.
Description of drawings
Fig. 1 is a vertical profile sketch map of the present invention;
Fig. 2 is that A of the present invention is to view;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 2;
Fig. 5 is the D-D cutaway view of Fig. 2.
The specific embodiment
Embodiment: shown in Fig. 1-5; A kind of vertical lathe tool slide; Comprise slide plate body 2, cutter holder 1, tool rest bracket 10, cross feed device, longitudinal feeding device and angular adjustment apparatus; Cutter holder 1 is connected with slide plate body 2, and longitudinal feeding device comprises dovetail slideway 4 and longitudinal leadscrew 5, and laterally apparatus for feeding comprises clasp nut 21, clasp nut controlling organization and horizontal leading screw 13; Longitudinal feeding device is rotatably installed on the face of cylinder in tool rest bracket 10 left sides; The clasp nut controlling organization comprises sleeve 17, disk 19, bearing pin 20, handle 18; On the upper and lower two-part end face of clasp nut 21, be respectively equipped with bearing pin 20, sleeve 17 is located on the horizontal leading screw 13, and sleeve 17 1 ends are fixed with disk 19; On the disk between sleeve 17 and disk 19 excircles, be symmetrical set two grooves; From the end to end of groove, the distance at groove and disk 19 centers increases gradually, and two bearing pins 20 pass corresponding groove respectively.Dovetail slideway 4 vertically is slidingly matched with the chute edge of slide plate body 2; Be provided with the longitudinal screw pipe that cooperates with longitudinal leadscrew 5 through bearing in the dovetail groove guide rail 4; Dovetail groove guide rail 4 one sides are connected with tool rest bracket 10; The longitudinal screw pipe is through drive disk assembly (bevel gear) and pass the power transmission shaft 15 at tool rest bracket 10 left circles cylinder centers and horizontal leading screw 13 and be in transmission connection through clutch; Clutch comprises slipping toothed electromagnetic clutch 24, and slipping toothed electromagnetic clutch 24 right-hand members and bevel gear cover 12 are fixing, and left end cooperates with the horizontal leading screw 13 that has the perforation keyway through feather key 23; Laterally the clasp nut 21 of apparatus for feeding is provided with internal thread and cooperates with horizontal leading screw 13 external screw threads, and vertical guide 22 edges of setting vertically slidably cooperate on clasp nut 21 and the tool rest bracket 10; Between tool rest bracket 10 and longitudinal feeding device, be provided with the angular adjustment apparatus that can make longitudinal feeding device rotation and be provided with the holding screw 11 that is used for fixing the longitudinal feeding device position of rotation along the face of cylinder in tool rest bracket 10 left sides.
As shown in Figure 2, clasp nut 21 is divided into two parts up and down, has internal thread, can form screw pair with horizontal leading screw 13.The vertical guide 22 that has dovetail groove vertically is fixed on the tool rest bracket 10, and is as shown in Figure 4, and clasp nut 21 is formed moving sets with vertical guide 22, and making up and down, clasp nut 21 can only vertically move.Have two sections symmetrical fully grooves that are made up of curve on the disk 19, every section groove has constituted the part of closing cam, shown in Fig. 5 profile.In the scope of angle [alpha] and γ, be provided with the less self-locking grooves of the angle of wedge, can make the clasp nut self-locking.In the scope of angle [alpha], clasp nut 21 is in closure state, and screw pair is in running order, and two parts up and down of clasp nut 21 can be owing to the effect of power not be thrown off, thereby what realize the vertical lathe knife rest reliably radially is traverse feed; In the scope of angle γ, clasp nut 21 also is in self-locking state, and the top and the bottom of clasp nut 21 can not become flexible along with the vibration in the knife rest course of work, in order to avoid knife rest is when carrying out axial feed, clasp nut 21 interferes with horizontal leading screw 13.The angle of wedge at β angular range inner groovy is bigger, and clasp nut 21 does not have self-locking performance, be used for clasp nut about in the of 21 two parts move in opposite directions fast simultaneously.Be separately fixed at clasp nut about in the of 21 two bearing pins 20 in two parts can in two grooves, slide.
Clockwise rotate handle 18, can drive disk 19 and rotate, and then drive the vertically approaching simultaneously laterally leading screw 13 of clasp nut 21 through two bearing pins 20.When bearing pin 20 changes in the groove α angular range of disk 19, clasp nut 21 complete closure and self-lockings, clasp nut 21 can not thrown off automatically when guaranteeing that horizontal leading screw 13 rotates, and is clasp nut 21 complete closure states shown in Fig. 5 profile.Clockwise rotate handle 18 behind extreme position, bearing pin 20 contacts in the α angular range with groove, when horizontal leading screw 13 rotates, can drive the clasp nut 21 that is mated along transverse movement, and then drives knife rest and do in-movement.In like manner, when oppositely rotating counterclockwise handle 18 to another extreme position, bearing pin 20 contacts at the γ angular range with groove, and clasp nut 21 is broken away from and self-locking each other, and then the in-movement of cut-off rest.
The bevel gear of bevel gear cover 12 as shown in Figure 1 is meshed with bevel gear 14; Bevel gear 14 is coaxial with bevel gear 16; Bevel gear 16 is meshed with the bevel gear that has internal thread 3; The bevel gear 3 that has internal thread links with longitudinal leadscrew 5, and longitudinal leadscrew 5 is fixed on the knife rest through slide plate body baffle plate 6.The left end of slipping toothed electromagnetic clutch 24 and bevel gear cover 12 connects, and bevel gear is overlapped 12 and is fixed on the tool rest bracket 10 through bearing block; Right-hand member cooperates with horizontal leading screw 13 through feather key 23, realizes the engagement and the disengagement of slipping toothed electromagnetic clutch 24 through the calutron on the slipping toothed electromagnetic clutch 24.
When connecting the loop of slipping toothed electromagnetic clutch 24, the left side of slipping toothed electromagnetic clutch 24 moves right under the effect of electromagnetic force, with the right-hand part tabling.When horizontal leading screw 13 rotates; Laterally leading screw 13 drives bevel gear 3 rotations that have internal thread through feather key 23 and slipping toothed electromagnetic clutch 24, bevel gear cover 12, bevel gear 14, power transmission shaft 15, bevel gear 16; And then drive longitudinal leadscrew 5 and vertically move, can realize the length feed of whole knife rest.When breaking off the loop of slipping toothed electromagnetic clutch 24, the left side of embedding formula electromagnetic clutch 24 just is returned to original position under the effect of internal reset spring, and part is separated about causing, and then stops the length feed motion of knife rest.
Angular adjustment apparatus is positioned at the top of knife rest, is made up of worm screw 8, worm sector 9 and worm bracket 7.Worm sector 9 is fixed on the tool rest bracket 10, worm screw 8 is installed on the worm bracket 7, and worm bracket 7 is fixed on again on the dovetail slideway 4, and slide plate body 2 links to each other with dovetail slideway 4, and holding screw 11 is arranged between dovetail groove guide rail and the gantry base.Unclamp holding screw 11, use spanner rotary worm 8, can make external cylindrical surface rotation such as cutter holder 1, slide plate body 2 and dovetail slideway 4, leading screw 5 etc., the angle decision that the angle of rotation is rotated by worm screw around tool rest bracket 10 left sides.After rotating to an angle, fastening holding screw 11 can be locked at dovetail slideway 4 on the tool rest bracket 10.After the adjustment angle, connect the loop of slipping toothed electromagnetic clutch 24, can match with longitudinal feeding device, realize the oblique feeding of knife rest, turning has the workpiece of the conical surface.