CN102744747B

CN102744747B - Semi-automatic wood lathe

Info

Publication number: CN102744747B
Application number: CN201110112254.9A
Authority: CN
Inventors: 殷笠
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-22
Filing date: 2011-04-22
Publication date: 2015-03-25
Anticipated expiration: 2031-04-22
Also published as: CN102744747A

Abstract

The invention provides a semi-automatic wood lathe, and relates to woodworking machinery. The semi-automatic wood lathe comprises a control circuit, a processing membrane fixation and rotation drive system, a tool holder movement system, a knife delivery position regulation system, a knife delivery seat, a turning tool, and a frame. The control circuit is combined with the tool holder movement system, the knife delivery position regulation system, the knife delivery seat and the novel turning tool to control processing processes such as automatic lathe stopping, automatic knife delivery and automatic reciprocation movement of the lathe. Processing of a work-piece into a certain shape is completed by adopting a processing principle similar to the processing principle of a key manufacturing lathe, wherein the key manufacturing lathe processes a work-piece by using a mold. Structures of a chuck and a detent are adopted to achieve fixation of an elongated work-piece, and a pair of combination fixation devices is adopted to achieve fixation of a work-piece having a cross section diameter more than drum diameter. In the prior art, when a turning tool processes a work-piece having locally hard portion, the forced processing can cause lathe destroying or work-piece fracture and injury. With the present invention, a movement frame transmission device adopts an elastic compressing transmission system so as to solve the problem in the prior art and improve hardness applicability range of the processed material; sawdust can automatically fall onto the ground with the tilt design of the processing tabletop; and the semi-automatic wood lathe of the present invention is mainly applicable for processing of cylindrical figures such as wooden stair posts, table legs, and similar pieces.

Description

A kind of semi-automatic wood working lathe

Technical field

The present invention relates to a kind of woodworking machinery, particularly a kind of carpenter's lathe.

Background technology

Prior art: existing numerical-control wood processing lathe, can only process hardwood, the more uniform timber of quality, and speed is slow, and operating personnel can not disembark, and operation requirements is high, lathe maintenance is complicated; Common process lathe, its shortcoming be except work piece rotate be motor-driven except, pass cutter, move cutter action and all have and manually complete, after the charging of common process lathe process starts lathe, operative employee needs left hand to promote to pass knife bar, right-hand operated knife rest moves runner and completes the action of passing cutter He moving cutter simultaneously, and feature is that operating personnel's technical requirement is high, and learning time is long, easily make mistakes, defect rate is high, and process velocity is slow, and crudy is unstable.Its lathe tool of existing wood-turning machine no matter single-blade or two lathe tool, exist when shortcoming is processing wood and can only force to cut to scrape workpiece, processing makes the difficulty of polishing operation together under the coarse direct impact of surface of the work, and during the operation also made, labour intensity and difficulty are comparatively large, cutter and parts loss very fast; And to pass in cutter system transmission system due to it and adopt tight fit, easily there is workpiece when running into hard position, workpiece local and to rupture the safety problem of hurting sb.'s feelings; Another existing wood-turning machine no matter workpiece size thickness when fixing processing wood, all adopt top pressure fixing means, its shortcoming is when running into slender piece, and the central shaft difficulty of workpiece is determined, adds man-hour workpiece and easily shakes, directly affect crudy; Moreover the machine table of existing wood-turning machine adopts the wood chip being horizontally disposed with cutting also to need labor cleaning.

Summary of the invention

The technical problem to be solved in the present invention is: provide a kind of semi-automatic wood working lathe, adopt new material fixed mechanism, automatically the Circuits System controlled is installed automatically control material and rotate and the going forward one by one of lathe tool, improving lathe tool mobile system makes it can determine feed and translational speed according to lathe tool is stressed, the shape of lathe tool is improved, makes its more applicable various hardness timber processing.

Technical scheme of the present invention is: a kind of semi-automatic wood working lathe comprises a control circuit, workpiece fixes and rotary drive system, knife rest mobile system, pass cutter positioning system, pass tool rest, lathe tool, frame.Control circuit with pass cutter regulating system, pass tool rest, knife rest mobile system, new-type lathe tool be combined the process controlling lathe automatic stopping, automatically pass cutter, automatically come and go; Similar key carriage cam process principle of beating is adopted to complete workpiece car style formula; Adopt chuck and clamping pin structure to realize the fixing of slender piece, realize cross section with a pair combination fastener and be greater than the fixing of basket diameter workpiece; Movable stand transmission device employing elastic compression transmission system solves lathe tool when meeting local hard workpiece, and processing causes lathe breaking-up or workpiece fracture to be hurted sb.'s feelings by force, improves the material soft durometer applicability amplitude of processing; Have employed the design of machine table face tilt to realize wood chip and automatically land; Adopt in knife rest mobile system and be hung on machine table basifacial, avoid in the screw mandrel in knife rest mobile system or tooth bar, falling into foreign matter and damage and shut down.Realize ladderingly passing cutter and autostop in conjunction with mechanic adjustment unit with control circuit.

The present invention be achieved in that comprise control circuit, workpiece fixes and rotary drive system, knife rest mobile system, pass cutter positioning system, pass tool rest, lathe tool, frame.

Control circuit: by power switch, starting switch, shutdown switch, normally closed travel switch, often drive A.C. contactor, two-direction switch, mair motor form mair motor control circuit; By often driving A.C. contactor, cutter machine switch, normally closed travel switch, often drive travel switch, normally-open normally-close A.C. contactor, knife rest motor form movable stand control circuit.Concrete formation controls power supply by master switch, master switch with often drive A.C. contactor and be connected, push-button activation switch is connected with the iron-core coil often driving A.C. contactor, button shutdown switch is connected with the iron-core coil often driving A.C. contactor with after normally closed travel switch series connection, this normally closed travel switch realizes autostop when being used for process finishing, often open A.C. contactor outlet one group connection two-direction switch and enter mair motor again, the switching of two-direction switch makes mair motor rotating realize rotating forward turning and the reversion polishing of workpiece, another group outlet is often opened A.C. contactor lambda line with next and is connected, this often open A.C. contactor outlet wherein a live wire be connected with a normally closed push button switch, be series at often drive A.C. contactor iron-core coil on reach the switch of control contactor self, emergency is met in its effect, press this switch knife rest motor stopping, namely this often opens A.C. contactor and this press button one and is used from the operation controlling separately knife rest motor, stop, often open A.C. contactor output line to be connected with next normally-open normally-close A.C. contactor again, and will wherein draw output line and and often drive travel switch and be connected by another root, often opening travel switch one tunnel directly connects out on the iron core control line of normally closed A.C. contactor, be connected on the iron core control line of normally-open normally-close A.C. contactor below after another road and a normally closed travel switch series connection, switch with the opening and closing controlling normally-open normally-close A.C. contactor, two groups of output lines of normally-open normally-close A.C. contactor are all connected on knife rest movable stand drive motors, and this normally-open normally-close A.C. contactor and aforesaid travel switch of often opening are together with normally closed travel switch, and the rotating realizing knife rest motor reaches reciprocating of movable stand.When master switch closes during work, started by press button, often drive A.C. contactor to close, one road electric current enters mair motor through two-direction switch, mair motor works, another road flows through next and often drives A.C. contactor, often drive A.C. contactor by next again to flow through normally-open normally-close A.C. contactor and be input to knife rest motor, movable stand moves to terminal by original position and touches normally closed travel switch under knife rest motor drives on the other hand, normally-open normally-close A.C. contactor switches contact condition, thus the moving direction changing movable stand realizes returning movement, touch when movable stand returns and moves to original position and often drive travel switch, normally-open normally-close A.C. contactor switches contact condition, again change the moving direction of movable stand, come and go processing like this, until machine when getting back to starting point, the normally closed travel switch of parking on movable stand is opened, realize stopping.

Workpiece is fixed and rotary drive system: comprise mair motor, driving belt, drive, rotating cylinder, holder, chuck, chuck back-moving spring, bayonet lock, back-moving spring, pin, backstay, chuck clutch rack, mair motor is arranged on frame base part seat, and drive, chuck, chuck back-moving spring, bayonet lock are arranged on rotating cylinder, two rotating cylinders are installed on the holder of left and right respectively, holder is installed in machine table, two holders of inner side are provided with horizontal bar-shaped trough and fixing threaded hole, chuck clutch rack is provided with pin, fixing threaded hole, chuck clutch rack bolt is arranged on two holders of inner side by fixing threaded hole, the pin of chuck clutch rack snaps in the bar-shaped trough on holder, its effect promotes chuck clutch rack upper end when being operation, chuck clutch rack rotates around set bolt, on it pin along bar-shaped trough skid off promote chuck move, inner little outer large taper seat is processed into inside chuck major part, chuck to be enclosed within rotating cylinder and to be connected by four chuck back-moving springs, chuck back-moving spring one end is arranged on chuck microcephaly, the other end is arranged on rotating cylinder, bayonet lock is provided with back-moving spring, and rotating cylinder corresponding chuck major part positional symmetry has four holes, and bayonet lock suit back-moving spring vertically inserts in rotating cylinder, the taper seat of chuck is placed on bayonet lock outer end, and moving left and right of such chuck makes bayonet lock generation move up and down.Backstay is installed on the right side of frame, and one end is stretched in rotating cylinder; During work, chuck clutch rack is promoted pin rod to the right chuck is backed down, due to the taper seat effect of chuck, bayonet lock outwards unclamps in rotating cylinder along taper seat under the effect of back-moving spring, now, workpiece can be loaded rotating cylinder from left side and arrive at backstay to front end, after unclamp chuck clutch rack, bayonet lock pushes back in rotating cylinder and workpiece is fixed by chuck under chuck action of reset spring; The application of chuck and clamping pin structure overcomes existing wood-turning machine and uses thimble to fix, and adds the jitter phenomenon of tiny workpiece in man-hour; Start mair motor during work, mair motor drives drive through driving belt, and drive drives rotating cylinder, chuck and workpiece to rotate.When the size of workpiece exceedes the diameter of rotating cylinder, use top pressure fixture fixation workpiece instead, its mechanism is: the fixture in left side is by a tapped beam barrel, with a headband have thimble bolt form, beam barrel one end is provided with one piece of conical surface iron plate, and beam barrel and conical surface iron plate are tight fits, one piece of conical surface iron plate is also equipped with in one end of bolt, bolt and conical surface iron plate are also tight fit, and the axis of small circle of the iron plate of the conical surface is less than rotating cylinder internal diameter, and major part circular diameter is greater than rotating cylinder internal diameter; By tapped beam barrel during installation, stretch in rotating cylinder from left hand fixed seat inboard, by with thimble bolt stretch into outside left hand fixed seat and tighten with being threaded of tapped beam barrel; Now conical surface iron plate is pressed in rotating cylinder, and fixture and rotating cylinder together rotate.The fixture structure that right hand fixed seat is installed is the beam barrel of disk being provided with convex edge in band by one end, and one end is provided with the beam barrel as aforementioned conical surface iron plate, and headband have thimble metal bar, and a screw rod being provided with runner is formed.Be equipped with and be with one end in the beam barrel of the disk at interior convex edge to be provided with multiple bearing, in one end, car has screw thread; In dress conical surface iron plate beam barrel one end, car has screw thread.During installation, load onto in the beam barrel of disk that band convex edge is housed with thimble metal bar, metal bar inserts in bearing, thimble is outside, stretch into rotating cylinder by Right Inboard holder, then in the holder of right outside side, conical surface iron plate beam barrel will be housed and stretch in rotating cylinder, be nested with the former; Be threaded into by there being the screw rod of runner be connected from dress conical surface iron plate beam barrel side with the internal thread of the beam barrel of the disk with interior convex edge.Do not stop when there being the screw rod of runner to be screwed into forward, promote with thimble metal bar compress workpiece.

Workpiece is fixed and rotary drive system is installed in the machine table of frame, the mobile rear location in machine table that wherein the workpiece holder on right side can be overall as required.

Knife rest mobile system: comprise movable stand, location bearing, knife rest motor, transmission device, the normally closed travel switch of parking, pass tool rest.Passing tool rest is installed on movable stand; Movable stand internal frame is by employing eight location bearings, wherein four location bearings are vertically installed, play located lateral effect, four location bearings are laterally installed, and together with vertical four location bearings installed, are fixed on by movable stand on two inside shaped as frame guide rails under frame processing platform, form an adjustable shelf that can vertically move along shaped as frame guide rail, the orientation of 12 location bearings makes movable stand except vertically moving along machine table, and other direction is in stable state, thus it is stable mobile to reach knife rest; Movable stand bottom is provided with knife rest motor, transmission device; Transmission device is provided with together with fixed axis that spill takes turns attaches together by being provided with power transmission shaft that spill takes turns with another, the parallel installation of diaxon, fixed guide in frame is clipped in wherein by two spill wheels in opposite directions, adopts four bolts and elastomeric pad to be fixed on relevant position attachable with knife rest motor bottom movable stand; Driving sleeve is loaded on knife rest machine shaft; Knife rest electric machine rotation drives spill wheel to move along fixed guide through power transmission shaft, and fixed guide is motionless, reacts on the whole movable stand of knife rest driven by motor to move; Have employed spill wheel drive along fixed guide owing to rotating, and adopt flexible fastening to overcome in prior art to damage because falling into foreign matter in screw mandrel or tooth bar, or meeting workpiece matter firmly produces to drive by force and cause workpiece to rupture hurting sb.'s feelings; The normally closed travel switch that stops is installed on movable stand, when machining, locating rack upper end can be regulated to touch, reach automatic stopping object.

Pass cutter positioning system: comprise and regulate locating rack, nodular pilot pin, back-moving spring, trimming bolt, fine setting locator card, spacer, spacer back-moving spring, initial bolt.Regulate locating rack mobile jib arcuately, its upper end cover card is hung on the tail end bolt that cutter head fixedly holds knife bar, and another lower end is stuck on nodular pilot pin, and centre is placed in fine setting locator card, forms a complete lever construction; Regulate the lower end of locating rack to be provided with back-moving spring, spacer, each a slice in spacer left and right, its one end is held by back-moving spring, middle fixing with regulate on locating rack, for control each cut pass the cutter degree of depth; Nodular pilot pin is vertically fixed on movable stand side, and nodular pilot pin longitudinal profile is outside taper nodular, and nodular pilot pin is equipped with back-moving spring, for promoting the reset of locating rack lower end; Trimming bolt is installed on movable stand side, parallel with movable stand side, and its medial movement frame correspondence position indicates scale and passs cutter progress number for reading; Fine setting locator card one has screw and is loaded on trimming bolt, another headgear card regulates locating rack, turning of trimming bolt drives fine setting locator card to move up and down adjustment locating rack is moved along the vertical direction of movable stand side, thus changes and regulate locating rack upper end under its lower end promotes same displacement situation at every turn that different displacement can be had to reach to regulate difference to pass cutter progress; The amplitude that turns of trimming bolt can read by the scale of inner side, and reading is each depth of cut; Spacer relies on back-moving spring to be clipped in nodular pilot pin groove, when spacer move to frame locating piece place with movable stand and with its collision time, spacer lower end pressurized is jumped out from the groove of nodular pilot pin by upper end, nodular pilot pin back-moving spring promotes to regulate outside locating rack lower end and moves lattice, now regulate locating rack upper end also to advance inward, fix cutter head like this and hold knife bar and tool tip also can be driven to have pushed ahead once pass cutter process; Initial bolt is installed vertically on movable stand, be positioned at and regulate locating rack lower end side position, it is equipped with nut, can be arranged by the adjustment of nut and regulate locating rack initial position, the upper end position of such adjustment locating rack also just determines the initial position of lathe tool, and this decreases the new workpiece of each processing to first user or general workman and touches the trouble of searching initial alignment.

Pass tool rest: comprise holder, hold knife bar, locating rack, back-moving spring, locating dowel, bearing, shred holding up plate, tool tip, tool tip set bolt, lathe tool set bolt.Holder is installed on the upper beam of movable stand, holding knife bar is arranged on holder, holding knife bar and holder can relative motion, locating rack is installed on to be held on knife bar, locating rack top is provided with locating dowel, locating dowel is equipped with bearing for rolling along the processing mould on processing fixing frame of formworks, this setting reduces locating dowel and moves and processing mould interleaf friction power; Hold knife bar front end and tool tip set bolt is installed; Hold knife bar back-moving spring one and be hung on the tail end holding knife bar, other end is hung on holder; Tool tip is arranged on the front end of holding knife bar, and fixed by tool tip set bolt, shred holding up plate is installed on the upside of tool tip.

Lathe tool: lathe tool is arranged in tool tip, the installation direction of lathe tool with hold knife bar centerline direction angle at 45 °, vertical with workpiece, fixed by lathe tool set bolt; Cutter head upper front end processes V-shaped groove, and its water chestnut limit, excess-three face is worn, and form V-arrangement double cutting edge, V-arrangement knife edge included angle is 55 °-65 °; The height of holder should ensure that the point of a knife of lathe tool is just to the center of workpiece, point of a knife and hold the center line of knife bar on the same line; The shape-designing of lathe tool and installation requirement ensure that lathe can work under movable stand comes and goes situation, and the design of this blade changes when existing lathe tool uses scrapes mode feed to cut, and employing is cut from mode.

Frame: the built-in beam comprising machine table, shaped as frame guide rail, frame pin, housiung separator, fixed guide, processing fixing frame of formworks, travel switch.It is that wood chip under 15 ° of-35 ° of angles make workpiece is cut can tumble machine table automatically that machine table is arranged with level; Machine table is loaded on shaped as frame guide rail, shaped as frame guide rails assembling on frame pin, movable stand cover hangs on shaped as frame guide rail, rely on 12 location bearings up and down, location, left and right; Fixed guide is arranged on machine table lower bearing bracket, and position and movable stand transmission device match; Processing fixing frame of formworks is arranged in machine table, and height flushes with the knife bar locating dowel of holding of passing on tool rest, is installed on workpiece and holds between knife bar locating dowel; The built-in beam controlling the travel switch of knife rest motor is installed on the front side of frame, height can be collided with the spacer of adjustment locating rack lower end and is advisable, it is upper left, and part on the right side An Zhuan an adjustable stroke switch mounting base, seat installs travel switch, when adjustment locating rack lower end bruising travel switch, normally-open normally-close A.C. contactor will be caused to change knife rest current of electric direction, thus change knife rest motor steering and reach and promote movable stand and reciprocate effect.

During operation, first install processing mould at processing fixing frame of formworks, on workpiece holder, workpiece is installed again, the positioning screw cap position arranged on initial bolt is needed according to the material of workpiece, arranging trimming bolt makes fine setting locator card move to cutter progress of the passing position of needs, from the corresponding graduation position of fine setting scale, adjustment locating rack upper end is pulled outwardly the positioning screw cap that its lower end is leaned on initial bolt and stops, started by press switch, lathe starts processing, lathe tool passs cutter degree of depth turner according to what arrange, movable stand drives lathe tool reach, when movable stand arrives desired location, namely the adjustment locating rack lower end on it touches normally closed travel switch, changes the sense of current of knife rest motor, knife rest motor reversal, movable stand is movement oppositely, regulate the spacer of locating rack lower end to touch positioning table in frame simultaneously, spacer upper end is ejected from nodular bolt, retainer spring on nodular bolt will regulate the extrapolated lattice in locating rack lower end, locating rack upper end is regulated to advance inwards once, holding knife bar also drives lathe tool to advance once, when movable stand turns back to starting point, regulate locating rack lower end to touch and often drive travel switch, change the sense of current of knife rest motor, knife rest motor reverses again, regulate the spacer of locating rack lower end to touch positioning table in frame simultaneously, spacer upper end is ejected from nodular bolt, retainer spring on nodular bolt will regulate the extrapolated lattice in locating rack lower end, locating rack upper end is regulated to advance inwards once, holding knife bar drives lathe tool to advance once, so, through come and go turning to processing mould require consistent after, the upper end of locating rack is regulated to touch the normally closed travel switch that stops when getting back to starting point, lathe automatic stopping.The invention has the beneficial effects as follows: a kind of woodwork lathe is provided, be characterized in applicable cylindricality car flower, as newel of wood stair, dining table leg post similarity piece processing lathe; It is compared with existing wood-turning machine, is both suitable for processing slim class timber, and can processes thick timber again, and have the advantages that Material Processing soft durometer is suitable for amplitude broad, and after processing, surface of the work is than existing wood-turning machine workpiece light; Use cutter is durable; Efficiency is high: this lathe process speed is five times of former motor-driven wood-turning machine speed, converted products steady quality; Cost is low be numerical-control wood processing lathe price part so that ten part; Simple to operate, operating personnel only need simple training can be on duty, simple adjustment, charging during operation, start shooting, and lathe completes processing voluntarily, lathe every part process finishing automatic stopping, and a people can operate a few chassis bed simultaneously; Maintenance easily, only needs general pincers worker just can keep in repair.

Below in conjunction with drawings and Examples, the present invention is further described

Accompanying drawing explanation

Fig. 1 is the front view of the embodiment of the present invention

Fig. 2 is the side view of the embodiment of the present invention

Fig. 3 is the front view of the embodiment of the present invention

Fig. 4,5,6 is that workpiece of the present invention is fixed and rotary system side view, front view, sectional view

Fig. 7,8,9,10 is front view, side view, top view, the stereogram of movable stand of the present invention respectively

Figure 11 of the present inventionly passs tool rest stereogram

Figure 12,13,14,15 is lathe tool front view of the present invention, side view, top view, stereogram

Figure 16 is control circuit figure of the present invention

Figure 17 is left side of the present invention fixture stereogram

Figure 18,19 is right side fixture stereogram, sectional view

Figure 20 is stereogram of the present invention

Concrete enforcement

In Fig. 1,2,3: chuck 1, holder 2, drive 3,5,6, driving belt 4, mair motor 7, transition belt pulley fixed axis 8, knife rest motor 9, movable stand 10, right travel switch seat 11, fixed guide 12, shaped as frame guide rail 13, backstay 14, backstay bolt 15, processing fixing frame of formworks 16, normally closed travel switch 17, chuck back-moving spring 18, two-direction switch 19, often open travel switch seat 20, processing template 21, normally closed travel switch 22, machine table 23, chuck clutch rack 24, frame pin 25, tool tip 26, bayonet lock 27.

In Fig. 4,5,6: bayonet lock 27, rotating cylinder 28, bar-shaped trough 29, fixing threaded hole 30, bearing 33, bayonet lock back-moving spring 34.

Workpiece is fixed and rotary drive system: comprise mair motor 7, driving belt 4, drive 3, rotating cylinder 28, holder 2, chuck 1, chuck back-moving spring 18, bayonet lock 27, bayonet lock back-moving spring 34, pin, backstay 14, chuck clutch rack 24; Mair motor 7 is positioned on frame underframe, and drive 3 connects rotating cylinder 28 and connected by driving belt 4; Rotating cylinder 28 is positioned on holder 2, chuck 1, chuck back-moving spring 18, bayonet lock 27, bayonet lock back-moving spring 34 by rotating cylinder 28, backstay 14 is positioned on the right side of frame, chuck clutch rack 24 is positioned on holder 2, and pin is positioned on the lower end of chuck clutch rack 24; In Fig. 1, two holders 2 of inner side, left and right are provided with horizontal bar-shaped trough 29 and fixing threaded hole 30, chuck clutch rack 24 lower end is provided with pin, fixing threaded hole, chuck clutch rack 24 bolt is arranged on two holders 2 of inner side by fixing threaded hole 30, the pin of chuck clutch rack 24 snaps in the bar-shaped trough 29 on holder, its effect promotes chuck clutch rack 24 upper end when being operation, chuck clutch rack 24 around set bolt rotate, on its lower end pin along bar-shaped trough 29 skid off namely promote chuck 1 move; Be processed into inner little outer large taper seat inside chuck 1 major part, chuck 1 to be enclosed within rotating cylinder 28 and to be connected by four chuck back-moving springs 18, and chuck back-moving spring 18 one end is arranged on chuck 1 microcephaly, and the other end is arranged on rotating cylinder 28; Bayonet lock 27 is provided with bayonet lock back-moving spring 34, rotating cylinder 28 corresponding chuck major part positional symmetry has four holes, and bayonet lock 27 is set with bayonet lock back-moving spring 34 and vertically inserts in rotating cylinder 28; The taper seat of chuck 1 is placed on bayonet lock 27 upper end, and moving left and right of such chuck 1 makes bayonet lock 27 generation move up and down.Backstay 14 is installed on the right side of frame, during work, chuck clutch rack 24 is promoted pin to the right chuck 1 is backed down, due to the taper seat effect of chuck 1, bayonet lock 27 outwards unclamps in rotating cylinder 28 along taper seat under the effect of bayonet lock back-moving spring 34, now, workpiece can be arrived at backstay 14 from hollow interior loading rotating cylinder 28 to the front end of left side belt pulley, after unclamp chuck clutch rack 24, bayonet lock 27 to push back in rotating cylinder 28 and workpiece is fixed by chuck 1 under chuck back-moving spring 18 acts on; The application of chuck 1 and bayonet lock 27 structure overcomes existing wood-turning machine and uses thimble to fix, workpiece jitter phenomenon when processing tiny workpiece; Start mair motor 7 during work, mair motor 7 drives drive 5 through driving belt, and drive drives rotating cylinder 28, chuck 1 and workpiece to rotate.

In Figure 17: conical surface iron plate 321, thimble gland 322, beam barrel 323, bolt 324, conical surface iron plate A3211

In Figure 18,19: convex edge disk 325, thimble gland 326, sleeve 327, conical surface iron plate 328, band rotating disk bolt 329, bearing 3210, iron plate beam barrel A3212.

When the size of workpiece exceedes the internal diameter of rotating cylinder 28, use top pressure fixture fixation workpiece instead, its mechanism is: the fixture in left side is by a tapped beam barrel 323, with a headband have thimble bolt 324 form, beam barrel one end is provided with one piece of conical surface iron plate 321, beam barrel 323 and conical surface iron plate 321 are tight fits, one piece of conical surface iron plate A3211 is also equipped with in one end of bolt 324, bolt 324 and conical surface iron plate A3211 are also tight fit, the axis of small circle of conical surface iron plate is less than rotating cylinder 28 internal diameter, and major part circular diameter is greater than rotating cylinder 28 internal diameter; By tapped beam barrel 323 during installation, stretch in rotating cylinder 28 from left hand fixed seat 2 inboard, by with thimble bolt 324 stretch into outside left hand fixed seat 2 and tighten with tapped being threaded of beam barrel 323; Now conical surface iron plate 321, conical surface iron plate A3211 are pressed in rotating cylinder 28, and a crown pin gland 322 of bolt 324 fixed, this fixture and rotating cylinder 28 can together rotate.Right side fixture structure is the beam barrel 327 of the disk 325 being provided with convex edge in band by one end, with one end, the iron plate beam barrel A3212 as aforementioned conical surface iron plate 328 is installed, with a headband have thimble metal bar 326, and a screw rod 329 being provided with runner is formed.Convex edge disk 325 design is the outer in order to be buckled in holder 2, is equipped with to be with in the beam barrel 327 of interior convex edge disk 325 to be provided with multiple bearing 3210 in one end, and in one end, car has screw thread; In dress conical surface iron plate beam barrel A3212 one end, car has screw thread.During installation, load onto in the beam barrel 327 that band convex edge disk 325 is housed with thimble metal bar 326, metal bar 326 inserts in bearing, and thimble is outside; The beam barrel 327 that convex edge disk 325 in band is housed is stretched into rotating cylinder 28 by Right Inboard holder, then conical surface iron plate beam barrel A3212 will be housed in the holder of right outside side stretch in rotating cylinder 26, be nested with the former; Be screwed into by there being the screw rod 329 of runner be connected from dress conical surface iron plate beam barrel A3212 side with the internal thread with interior convex edge disc shaft cylinder 327.When there being the screw rod 329 of runner not stop to be screwed into forward, promote with thimble metal bar 326 compress workpiece.During work, fixture only has metal bar 326 to rotate with workpiece.

Fig. 7, 8, 9, normally closed travel switch 17 in 10, trimming bolt 101, regulate locating rack 102, fine setting locator card 103, transmission countershaft 104, drive motors transmission system set bolt 105, fixing rubber cushion 106, hold-down nut 107, spacer 108, spacer back-moving spring 109, initial bolt 1010, location bearing A1011, location bearing B1012, location bearing C1013, concave wheel 1015, upper spill wheel 1016, transmission system fixed mount 1017, back-moving spring 1018, nodular pilot pin 1019.

Knife rest mobile system: comprise movable stand 10, location bearing A1011, location bearing B1012, location bearing C1013, knife rest motor 9, transmission device 1017, normally closed travel switch 17, pass tool rest 26.Passing tool rest 26 is installed on movable stand 10; Movable stand 10 internal frame is by four location bearing B1012, four location bearing C1013, the inside shaped as frame guide rail 13 of two of being fixed under frame processing platform, locate together with four location bearing A1011 of movable stand 10 bottom, form an adjustable shelf that can vertically move along shaped as frame guide rail 13, installation due to 12 location bearings makes movable stand 10 except vertically moving along machine table 23, other direction is in stable state, thus it is stable mobile to reach knife rest; Movable stand 10 lower portion is provided with knife rest motor 9, transmission device 1017; Transmission device 1017 be by be provided with power transmission shaft that concave takes turns 1015 with another be provided with fixed axis that spill takes turns 1016 attach together together with device, the parallel installation of diaxon, fixed guide 12 in frame is clipped in wherein by two spills wheels in opposite directions, its structure: adopt four bolts 105 and elastomeric pad 106 to be fixed on relevant position with knife rest motor 9 bottom movable stand 10; Driving sleeve is loaded in knife rest motor 9 rotating shaft; Knife rest motor 9 rotates and drives concave wheel 1015 through power transmission shaft, upper spill wheel 1016 rolls along fixed guide 12, and fixed guide 12 is motionless, reacts on movable stand band 10 and moves whole movable stand 10 and move; Because rotation have employed spill wheel along fixed guide driving, and adopt flexible fastening to overcome because falling into foreign matter damage in screw mandrel or tooth bar in prior art, or cause workpiece fracture to be hurted sb.'s feelings because chance workpiece matter produces to drive by force firmly; The normally closed travel switch 17 that stops is installed on movable stand 10, when machining, locating rack 102 upper end can be regulated to touch, reach automatic stopping object.

Pass cutter positioning system: comprise and regulate locating rack 102, nodular pilot pin 1019, back-moving spring 1018, trimming bolt 101, fine setting locator card 103, spacer 108, spacer back-moving spring 109, initial bolt 1010.Regulate locating rack 102 mobile jib arcuately, its upper end cover card is hung on the tail end bolt 2610 that cutter head fixedly holds knife bar 262, another lower end is stuck on nodular pilot pin 1019, centre is placed in fine setting locator card 103, regulate the lower end of locating rack 102 to be provided with back-moving spring 109, spacer 108, each a slice of spacer about 108, its one end is held by back-moving spring 109, centre is fixed on and is regulated on locating rack 102, for control each cut pass the cutter degree of depth; Nodular pilot pin 1019 is vertically fixed on movable stand 10 side, and nodular pilot pin 1019 longitudinal profile is outside taper nodular, nodular pilot pin 1019 is equipped with back-moving spring 1018, for promoting the reset regulating locating rack 102 lower end; Trimming bolt 101 is installed on movable stand side, parallel with movable stand side; Fine setting locator card 103 1 is loaded on trimming bolt 101, and another headgear card regulates on locating rack 102, and turning of trimming bolt 101 drives fine setting locator card 103 that adjustment locating rack 102 is moved along the vertical direction of movable stand side; The amplitude that turns of trimming bolt 101 can be read by phase medial movement frame 10 high scale, and reading is each depth of cut; Spacer 108 relies on back-moving spring 109 to be clipped in nodular pilot pin 1019 groove, when spacer 108 with movable stand move to right travel switch seat 11, often open travel switch seat 20 place and with its collision time, spacer 108 lower end pressurized is jumped out from the groove of nodular pilot pin 1019 by upper end, the back-moving spring 1018 of nodular pilot pin 1019 promotes to regulate outside locating rack 102 lower end and moves lattice, now regulate locating rack 102 upper end also to advance inward, hold knife bar 262 like this and tool tip 266 also can be driven to have pushed ahead once pass cutter; Initial bolt 1010 is installed vertically on movable stand, be positioned at and regulate locating rack 102 lower end side position, it is equipped with nut, can be arranged by the adjustment of nut and regulate locating rack 102 initial position, the upper end position of such adjustment locating rack 102 also just determines the initial position of lathe tool 264, and this decreases the trouble of touching at every turn and searching location to first user.

In Figure 11: tool tip set bolt 261, hold knife bar 262, shred holding up plate 263, lathe tool 264, lathe tool set bolt 265, tool tip 266, holder 267, bearing 268, hold knife bar back-moving spring 269, pass cutter location adjusting bolt 2610, hold-doun nut 2611, hold knife bar locating rack fixed screw 2612, hold knife bar locating rack 2613, hold knife bar locating dowel 2614.

In Figure 12,13,14,15: between blade 2641, cutter head side 2642, V-shaped groove 2643, cutter 2644.

Pass tool rest: comprise holder 267, hold knife bar 262, locating rack 2613, hold knife bar back-moving spring 269, locating dowel 2614, bearing 268, shred holding up plate 263, tool tip 266, tool tip set bolt 261, lathe tool 264, lathe tool set bolt 265.Holder 267 is installed on the upper beam of movable stand 10, holding knife bar 262 is arranged on holder 267, holding knife bar 262 and holder 267 can relative motion, locating rack 2613 is installed on to be held on knife bar 262, locating rack 2613 top is provided with locating dowel 2614, bearing 268 in locating dowel 2614 can roll along the processing mould 21 on processing fixing frame of formworks 16, and this setting solves the problem moving and process frictional influence movable stand translational speed between template 21 owing to holding knife bar locating dowel 262; Hold knife bar 262 front end and tool tip set bolt 261 is installed; The back-moving spring 269 1 holding knife bar is hung on the tail end holding knife bar 262, and other end is hung on holder 267; Tool tip 266 is fixed on by tool tip set bolt 261 front end that cutter head holds knife bar 262, shred holding up plate 263 is installed on the upside of tool tip 266.

Lathe tool: lathe tool 264 is arranged in tool tip 266, the installation direction of lathe tool 264 with hold knife bar 262 centerline direction angle at 45 °, lathe tool 264 is vertical with workpiece, is fixed by lathe tool set bolt 265; Lathe tool 264: lathe tool 264 adopts instrument steel, cutter head upper front end processing forming V-shape blade 2641, its water chestnut limit, excess-three face is worn, and form V-arrangement double cutting edge, V-arrangement angle is good with 55 °-65 °; The height of holder should ensure that the point of a knife 2644 of lathe tool 264 is just to the center of workpiece, and the center line holding knife bar 262 on the same line; The shape-designing of lathe tool 264 and installation requirement ensure that lathe can work under movable stand comes and goes situation, and the design of this blade 2641 changes when existing lathe tool uses scrapes mode feed to cut, and employing is cut from mode.

In Figure 16: power switch K1, push-button activation switch K2, button shutdown switch K3, normally closed travel switch K4, two-direction switch K5, cutter machine K switch 6, often start Cheng KaiguanK 7, normally closed travel switch K8, A.C. contactor KA1, A.C. contactor KA2, A.C. contactor KA3, mair motor M1, knife rest motor M 2.

Control circuit: power switch K1, starting switch K2, shutdown switch K3, often open A.C. contactor KA1, often open A.C. contactor KA2, cutter machine K switch 6, normally-open normally-close A.C. contactor KA3 be installed in electric cabinet; By power switch K1, starting switch K2, shutdown switch K3, normally closed travel switch K4, often open A.C. contactor KA1, two-direction switch K5, mair motor M1 forms mair motor control circuit; By often opening A.C. contactor KA2, cutter machine K switch 6, normally closed travel switch K8, often start Cheng KaiguanK 7, normally-open normally-close A.C. contactor KA3, knife rest motor M 2 forms movable stand control circuit.Two-direction switch K5 is arranged in frame, and normally closed travel switch K4 is arranged on movable stand (10), normally closed travel switch K8, often start Cheng KaiguanK 7 be arranged on frame right travel switch seat 11, often open on travel switch seat 20.Specifically electric current is by master control power switch K1, through push-button activation switch K2 connect often open A.C. contactor KA1 iron-core coil, make often to open A.C. contactor KA1 and close, electric current is often opened A.C. contactor KA1 mono-tunnel and is entered two-direction switch K5 and flow to mair motor M1, mair motor M1 starts, and another road flows into movable stand control circuit; Button shutdown switch K3 is connected with the iron-core coil often opening A.C. contactor KA1 after connecting with normally closed travel switch K4, normally closed travel switch K4 is for autostop during process finishing, master switch K1 is connected with aforementioned A.C. contactor KA1 lambda line of often opening, often open A.C. contactor KA1 outlet one group and enter mair motor M1 through two-direction switch K5, the switching of two-direction switch K5 makes mair motor M1 rotating realize turning and the polishing of workpiece; Flow into the electric current of movable stand control circuit: often open A.C. contactor KA2, button switch K 6 is connected to the iron-core coil often opening A.C. contactor KA2 and reaches the switch that A.C. contactor KA2 is often opened in control, realizes the operation, the stopping object that control separately knife rest motor M 2; Often open A.C. contactor KA2 output current one tunnel and enter normally-open normally-close A.C. contactor KA3, another road flows into often starts Cheng KaiguanK 7; Often start Cheng KaiguanK 7 is connected on the iron-core coil of normally-open normally-close A.C. contactor KA3 together with normally closed travel switch K8, to control the open and-shut mode of normally-open normally-close A.C. contactor KA3, two groups of outlets of normally-open normally-close A.C. contactor KA3 all connect with in knife rest motor M 1; This normally-open normally-close A.C. contactor KA3 with often start Cheng KaiguanK 7 together with normally closed travel switch K8, realize the rotating of knife rest motor M 1, reach reciprocating of movable stand 10.When master switch K1 closes during work, started by press button K2, often open the closed road electric current of A.C. contactor KA1 and enter mair motor M1 through two-direction switch K5, mair motor M1 works, another road makes often to open A.C. contactor KA2 because normally closed travel switch K6 is closed and is in connection, and electric current is input to knife rest motor M 2 by often opening A.C. contactor KA2 through normally-open normally-close A.C. contactor KA3, another aspect is aforementioned often starts Cheng KaiguanK 7 and normally closed travel switch K8, terminal is moved to by original position at movable stand 10, touch normally closed travel switch K8, the contact condition of normally-open normally-close A.C. contactor KA3 will be switched, changing the sense of current causes knife rest motor M 1 switching to turn to, thus the moving direction changing movable stand 10 realizes returning movement, touch when movable stand returns and moves to original position and often start Cheng KaiguanK 7, again change the moving direction of movable stand, until machine when getting back to starting point, adjustment locating rack 102 touches the normally closed travel switch K4 of parking on movable stand 10, normally closed travel switch K4 opens, often open A.C. contactor KA1 to recover to open, realize stopping.

Frame: the built-in beam 31 comprising machine table 23, shaped as frame guide rail 13, frame pin 25, housiung separator 35, fixed guide 12, processing fixing frame of formworks 16, travel switch.It is that wood chip under 15 ° of-35 ° of angles make workpiece is cut can tumble machine table 23 automatically that machine table 23 is arranged with level; Machine table 23 is loaded on shaped as frame guide rail 13, and shaped as frame guide rail 13 is arranged on frame pin 25, movable stand 10 cover hangs on shaped as frame guide rail 13, and dependence location bearing B1012, location bearing A1011, location bearing C1013 locate; Fixed guide 12 is arranged on machine table 23 times, and position and movable stand transmission device match; Processing fixing frame of formworks 16 is arranged in machine table 23, and height flushes with the locating dowel 2614 of passing on tool rest, is installed between workpiece and locating dowel 2614; The built-in beam 31 of travel switch is installed on the front side of frame, height can be collided with the spacer 108 of adjustment locating rack 102 lower end and is advisable, it is upper left part on the right side not An Zhuan right travel switch seat 11 of adjustable travel switch, often open travel switch seat 20, seat installs stroke K switch 8, K7, when adjustment locating rack 102 lower end bruising travel switch, normally-open normally-close A.C. contactor KA3 will be caused to change knife rest motor 9 sense of current, thus change knife rest motor 9 and turn to reach and promote movable stand 10 and reciprocate effect.

The present embodiment achieves the goal like this: first install processing mould 21 at processing fixing frame of formworks 16, on workpiece holder 2, workpiece is installed again, promote pin rod to the right by chuck clutch rack 24 chuck 1 is backed down, due to the taper seat effect of chuck 1, bayonet lock 27 outwards unclamps in rotating cylinder 28 along taper seat under the effect of back-moving spring 34, workpiece is loaded rotating cylinder 28 to front end from left side and arrive at backstay 14, after unclamp chuck clutch rack 24, bayonet lock 27 to push back in rotating cylinder 28 and workpiece is fixed by chuck 1 under chuck back-moving spring 18 acts on, according to material feature and size, adjustment locating rack 102 upper end position of workpiece, the positioning screw cap position on initial bolt 1010 is set, trimming bolt 101 is set and makes fine setting locator card 103 move to cutter progress of at every turn the passing position of needs, adjustment locating rack 102 upper end is pulled outwardly the positioning screw cap that its lower end is leaned on initial bolt 1010 stop, started by press K switch 2, mair motor M1 and knife rest motor M 2 are started working, and lathe starts processing, lathe tool 264 passs cutter degree of depth turner according to what arrange, movable stand 10 drives lathe tool 264 to move forward, when movable stand 10 arrives desired location, namely adjustment locating rack 102 lower end on it touches normally closed travel switch K8, change the sense of current of knife rest motor M 2, knife rest motor M 2 is reversed, movable stand 10 oppositely movement, regulate the spacer 108 of locating rack 102 lower end to touch the upper right travel switch seat 11 of frame simultaneously, spacer 108 upper end is ejected from nodular bolt 1019, back-moving spring 1018 on nodular bolt 1019 will regulate the extrapolated lattice in locating rack 102 lower end, locating rack 102 upper end is regulated to advance inwards once, cutter head location is held knife bar 262 and is also promoted lathe tool propelling once, when movable stand 10 turns back to starting point, regulate locating rack 10 lower end to touch and often start Cheng KaiguanK 7, change the sense of current of knife rest motor M 2, knife rest motor M 2 is reversed again, regulate the spacer 108 of locating rack 102 lower end to touch in frame simultaneously and often open travel switch seat 20, spacer 108 upper end is ejected from nodular bolt 1019, back-moving spring 1018 on nodular bolt 1019 will regulate the extrapolated lattice in locating rack 102 lower end, locating rack 102 upper end is regulated to advance inwards once, cutter head location is held knife bar 262 and is also promoted lathe tool propelling once, so, through come and go turning to processing mould 21 require consistent after, the upper end of locating rack 102 is regulated to touch the normally closed travel switch K4 that stops when getting back to starting point, A.C. contactor KA1 disconnects, lathe automatic stopping, complete the processing of a workpiece.

Described above is only preferred embodiment of the present invention, and above-mentioned specific embodiment is not limitation of the present invention.In technological thought category of the present invention, can occur various distortion and amendment, all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to the scope that the present invention protects.

Claims

1. a semi-automatic wood working lathe, comprise control circuit, workpiece fixes and rotary drive system, knife rest mobile system, pass cutter positioning system, pass tool rest, lathe tool, frame, control circuit is provided with electric cabinet, workpiece is fixed and rotary drive system is installed on frame processing platform, knife rest mobile system cover is hung in frame, pass cutter positioning system, pass tool rest and be installed on knife rest mobile system, lathe tool is installed on to be passed on tool rest, it is characterized in that: control circuit: power switch K1, starting switch K2, shutdown switch K3, often open A.C. contactor KA1, often open A.C. contactor KA2, cutter machine K switch 6, normally-open normally-close A.C. contactor KA3 be installed in electric cabinet, by power switch K1, starting switch K2, shutdown switch K3, normally closed travel switch K4, often open A.C. contactor KA1, two-direction switch K5, mair motor M1 forms mair motor control circuit, by often opening A.C. contactor KA2, cutter machine K switch 6, normally closed travel switch K8, often start Cheng KaiguanK 7, normally-open normally-close A.C. contactor KA3, knife rest motor M 2 forms movable stand control circuit, two-direction switch K5 is arranged in frame, normally closed travel switch K4 is arranged on movable stand (10), normally closed travel switch K8, often start Cheng KaiguanK 7 be arranged on frame right travel switch seat (11), often open on travel switch seat (20), workpiece is fixed and rotary drive system: mair motor (7) is positioned on frame underframe, takes turns (3) connect rotating cylinder (28) by driving belt (4) connection for transmission, rotating cylinder (28) is positioned on holder (2), chuck (1), chuck back-moving spring (18), bayonet lock (27), bayonet lock back-moving spring (34) are positioned on rotating cylinder (28), backstay (14) is positioned on on the right side of frame, chuck clutch rack (24) is positioned on holder (2), and pin is positioned on the lower end of chuck clutch rack (24), when the size of workpiece exceedes the internal diameter of rotating cylinder (28), use top pressure fixture fixation workpiece instead, knife rest mobile system: movable stand (10) is provided with location bearing A (1011), location bearing B (1012), location bearing C (1013), knife rest motor (9), transmission device (1017), normally closed travel switch (17), passs tool rest (26), passing tool rest (26) is installed on movable stand (10), movable stand (10) internal frame is by four location bearing B (1012), four location bearing C (1013), be fixed on two inside shaped as frame guide rails (13) under frame processing platform, locate together with four location bearing A (1011) of movable stand (10) bottom, form an adjustable shelf that can vertically move along shaped as frame guide rail (13), 12 location bearings make movable stand (10) only vertically move along machine table (23), movable stand (10) bottom is provided with knife rest motor (9), transmission device (1017), pass cutter positioning system: comprise and regulate locating rack (102), nodular pilot pin (1019), back-moving spring (1018), trimming bolt (101), fine setting locator card (103), spacer (108), spacer back-moving spring (109), initial bolt (1010), locating rack (102) its upper end cover is regulated to be stuck in the tail end bolt (2610) holding knife bar (262), lower end is stuck on nodular pilot pin (1019), centre is placed in fine setting locator card (103), regulate the lower end of locating rack (102) that spacer back-moving spring (109), spacer (108) are installed, the each a slice in spacer (108) left and right, its one end is held by spacer back-moving spring (109), and centre is fixed on and is regulated on locating rack (102), nodular pilot pin (1019) is vertically fixed on movable stand (10) side, back-moving spring (1018) nodular pilot pin (1019) is equipped with, trimming bolt (101) is installed on movable stand side, parallel with movable stand side, fine setting locator card (103) is loaded on trimming bolt (101), and another headgear card regulates on locating rack (102), pass tool rest: hold knife bar (262) and be positioned on holder (267), locating rack (2613) is positioned on to be held on knife bar (262), holding knife bar back-moving spring (269) is positioned between locating rack (2613) and holder (267), locating dowel (2614) is positioned on locating rack (2613), bearing (268) is positioned in locating dowel (2614), shred holding up plate (263) is positioned in tool tip (266), lathe tool (264) lathe tool set bolt (265) is fixed in tool tip (266), tool tip (266) is fixed on by set bolt (261) holds on knife bar (262), lathe tool (264): cutter head upper front end processes V-shaped groove, its water chestnut limit, excess-three face is worn, forms V-arrangement double cutting edge, in frame, machine table (23) is arranged with level is that wood chip under 15 ° of-35 ° of angles make workpiece is cut can tumble machine table (23) automatically.

2. semi-automatic wood working lathe according to claim 1, it is characterized in that: in control circuit button switch K 6 be connected to often open A.C. contactor KA2 iron-core coil on, for controlling the switch often opening A.C. contactor KA2, realize the operation, the stopping that controlling separately knife rest motor M 2; The Cheng KaiguanK 7 that often starts in control circuit is connected on the iron-core coil of normally-open normally-close A.C. contactor KA3 together with normally closed travel switch K8, to control the open and-shut mode of normally-open normally-close A.C. contactor KA3, two groups of outlets of normally-open normally-close A.C. contactor KA3 are all connected in knife rest motor M 1; Normally-open normally-close A.C. contactor KA3 opening and closing switches, and realizes the rotating of knife rest motor M 1, reaches reciprocating of movable stand (10); In control circuit button shutdown switch K3 and normally closed travel switch K4 be connected to often open A.C. contactor KA1 iron-core coil on, autostop when realizing process finishing.

3. semi-automatic wood working lathe according to claim 1, it is characterized in that: workpiece is fixed and chuck (1) in rotary drive system, chuck back-moving spring (18), bayonet lock (27) is arranged on rotating cylinder (28), holder (2) is provided with horizontal bar-shaped trough (29) and fixing threaded hole (30), chuck clutch rack (24) lower end is provided with pin, fixing threaded hole, chuck clutch rack (24) is fixed by bolts to fixing threaded hole (30) place, chuck clutch rack (24) is arranged on two holders (2) of inner side, the pin of chuck clutch rack (24) snaps in the bar-shaped trough (29) on holder, promote chuck clutch rack (24) upper end, chuck clutch rack (24) rotates around set bolt, its pin skids off along bar-shaped trough (29) and namely promotes chuck (1) movement.

4. semi-automatic wood working lathe according to claim 1, it is characterized in that: inside chuck (1) major part, be processed into inner little outer large taper seat, it is upper and connected by four chuck back-moving springs (18) that chuck (1) is enclosed within rotating cylinder (28), chuck back-moving spring (18) one end is arranged on chuck (1) microcephaly, and the other end is arranged on rotating cylinder (28); Bayonet lock (27) is provided with bayonet lock back-moving spring (34), rotating cylinder (28) corresponding chuck major part positional symmetry has four holes, and bayonet lock (27) suit bayonet lock back-moving spring (34) vertically inserts in the hole of rotating cylinder (28); The taper seat of chuck (1) is placed on bayonet lock (27) upper end, and moving left and right of chuck (1) makes bayonet lock (27) generation move up and down.

5. semi-automatic wood working lathe according to claim 1, it is characterized in that: in knife rest mobile system transmission device (1017) be by be provided with power transmission shaft that concave takes turns (1015) with another be provided with fixed axis that upper spill takes turns (1016) attach together together with device, the parallel installation of diaxon, fixed guide (12) in frame is clipped in wherein by two spill wheels in opposite directions, and this structure adopts four bolts (105) and elastomeric pad (106) to be fixed on the relevant position of movable stand (10) bottom and knife rest motor (9).

6. semi-automatic wood working lathe according to claim 1, is characterized in that: passing nodular pilot pin (1019) longitudinal profile in cutter positioning system is outside taper nodular, fine setting locator card (103) is loaded on trimming bolt (101), another headgear is stuck in and regulates on locating rack (102), and turning of trimming bolt (101) drives fine setting locator card (103) that adjustment locating rack (102) is moved along the vertical direction of movable stand side, the amplitude that turns of trimming bolt (101) can be read by its medial movement frame (10) high scale, and reading is each depth of cut, spacer (108) relies on spacer back-moving spring (109) to be clipped in nodular pilot pin (1019) groove, when spacer (108) moves to the right travel switch seat of frame (11) with movable stand, often open travel switch seat (20) place and with its collision time, upper end is jumped out by spacer (108) lower end pressurized from the groove of nodular pilot pin (1019), back-moving spring (1018) promotes to regulate outside locating rack (102) lower end and moves lattice, locating rack (102) upper end is now regulated also to advance inward, hold knife bar (262) like this tool tip (266) also can be driven to have pushed ahead once pass cutter.

7. semi-automatic wood working lathe according to claim 1, it is characterized in that: pass the installation direction of lathe tool on tool rest (264) and hold knife bar (262) centerline direction angle at 45 °, lathe tool (264) is vertical with workpiece, the point of a knife (2644) of lathe tool (264) is just to the center of workpiece, and the center line holding knife bar (262) on the same line.

8. semi-automatic wood working lathe according to claim 1, is characterized in that: the V-arrangement knife edge included angle of lathe tool (264) with 55 °-65 ° for good.

9. semi-automatic wood working lathe according to claim 1, it is characterized in that: when the size of workpiece exceedes the internal diameter of rotating cylinder (28), use top pressure fixture fixation workpiece instead, its mechanism is: the fixture in left side is by a tapped beam barrel (323), with a headband have thimble bolt (324) form, beam barrel one end is provided with one piece of conical surface iron plate (321), beam barrel (323) and conical surface iron plate (321) are tight fits, one piece of conical surface iron plate A (3211) is also equipped with in one end of bolt (324), bolt (324) and conical surface iron plate A (3211) are also tight fit, the axis of small circle of conical surface iron plate is less than rotating cylinder (28) internal diameter, major part circular diameter is greater than rotating cylinder (28) internal diameter, right side fixture structure is by the beam barrel (327) of the disk (325) of convex edge in the mounting strap of one end, with one end, the iron plate beam barrel A (3212) of conical surface iron plate (328) is installed, have the metal bar (326) of thimble with a headband, and a screw rod (329) being provided with runner is formed, convex edge disk (325) is buckled in the outer of holder (2), and be provided with multiple bearing (3210) in beam barrel C (327) interior one end that convex edge disk (325) is housed, in one end, car has screw thread, in dress conical surface iron plate beam barrel A (3212) one end, car has screw thread.