CN101537515B

CN101537515B - Numerical control sawing processing machine for metal ring-shaped parts

Info

Publication number: CN101537515B
Application number: CN2009101165301A
Authority: CN
Inventors: 黄建西; 李栋权; 冯周良; 杨胜华
Original assignee: MAANSHAN PENGYUAN FORGING EQUIPMENT CO Ltd
Current assignee: MAANSHAN PENGYUAN FORGING EQUIPMENT CO Ltd
Priority date: 2009-04-10
Filing date: 2009-04-10
Publication date: 2011-05-04
Anticipated expiration: 2029-04-10
Also published as: CN101537515A

Abstract

The invention provides a numerical control sawing processing machine for metal ring-shaped parts, belonging to a metal cutting machine. The processing machine is characterized in that the ring-shaped part is clamped by adopting a hydraulic and mechanical composite way in a rotary feeding device of the ring-shaped part; a mainshaft box is driven by a motor and a gearbox arranged at the rear part of the base of the mainshaft box in a gear transmission and screw transmission way; the mainshaft box moves forwards and backwards to adjust the position of the saw kerf of the ring-shaped part; a band saw cutting and feeding device is characterized in that the base of the mainshaft box and the left side of the mainshaft are provided with a vertical band saw machine respectively; the left side of the base of the mainshaft box is provided with a saw machine body; a saw machine sliding platform is arranged on a guideway on the saw machine body; a servo motor, a screw transmission pair and a synchronous belt wheel transmission pair that are arranged in the internal chamber of the saw machine body drive the saw machine sliding platform and a band saw blade to move to the left and right side, thus realizing the feeding or withdrawing of the sawing of the band saw blade; and the plyrolling ring-shaped part is sawed by the relative composite motion between the rotation of the ring-shaped part and the sawing feeding of the band saw blade, thus saving labor, time and material and leading to low cost and high working efficiency.

Description

Numerical control sawing processing machine for metal ring-shaped parts

Technical field

The invention belongs to metal-cutting machine, especially relate to a kind of cutting processing lathe of metal ring spare.

Background technology

Metal ring spare blank, in order to enhance productivity and to reduce metal, the consumption of the energy, now often adopt ply rolling rolling, so-called ply rolling is meant and stacks several rings rolling in annular element blank rolling process, several annular element backings become tubular, are cut into several with lathe then, and adopt the vertical lathe cutting processing usually, to cut out required axial width, but adopt common vertical lathe cutting processing, not only joint-cutting is big, and is time-consuming, the cutting output of metal is also big, the loss of metal is big, and when the radially heavy wall of annular element blank surpassed 80mm, common vertical lathe just was difficult to cut open, efficient is low, the cost height.

Summary of the invention

The purpose of this invention is to provide a kind of numerical control sawing processing machine for metal ring-shaped parts, utilize the rotation of annular element blank and the straight line saw of bands for band, the relative compound motion between the feeding that tubular annular element blank is carried out monolateral sawing, divide and be cut to several annular elements, saving of work and time material saving not only, and cost is low, the work efficiency height.

The object of the present invention is achieved like this: a kind of numerical control sawing processing machine for metal ring-shaped parts, comprise the annular element swivel feeding device, band saw sawing feed arrangement and truning fixture and Hydraulic Station, switch board, wherein the annular element swivel feeding device is mainly by main spindle box, main spindle box base and chuck are formed, after chuck is clamped the ply rolling annular element, by the gear mechanism in the Motor Drive main spindle box, by the transmission and the speed change rear drive main shaft of gear and chuck and the workpiece that is installed on the main shaft is the revolution of ply rolling annular element, the main spindle box base is a box structure, the sawing of band saw, feed arrangement is the vertical band saw sawing machine, this vertical band saw sawing machine is mainly by the sawing machine fuselage, column, the sawing machine slide unit, the driving mechanism of bands for band and bands for band, guiding mechanism and clamping device are formed, with the sawing machine fuselage as support, the sawing machine slide unit is installed on the sawing machine fuselage, on the sawing machine slide unit, column is installed, in the column upper end headstock is installed, saw blade follower and saw blade strainer are installed on headstock, the saw blade follower links to each other with the follower slide, the follower slide can move up and down in column, and the follower slide is driven and the tension band saw blade by tensioning hydro-cylinder; At the bottom of sawing machine slide unit mounting bracket plate, the motor, gearbox and the saw blade driving wheel that on supporting plate, are positioned in the sawing machine fuselage inner chamber and link to each other successively, mounting strap saw blade on saw blade driving wheel and saw blade follower, the rotation of Motor Drive bands for band, the straightway of bands for band is the work part of sawing, and this bands for band driving mechanism feeding with the motion of sawing machine slide unit; The guiding of bands for band, clamping device are in the headstock of column upper end the upper rail seat to be housed, the lower guideway seat is housed on slide unit, upper and lower saw cramp bar is contained in the upper and lower track base to moving up and down, by the Motor Drive in the headstock, also reach respectively on the upper and lower saw cramp bar by worm gear and two pairs of gear reductions, actuating motor makes upper and lower saw cramp bar do synchronously oppositely to move; In addition, cutter saddle is installed on right side at the main spindle box base, bite on the cutter saddle cuts the outside end face of annular element blank, rotating operation rocking bar is being installed on the main spindle box and on this operation rocking bar the suspension type control box is being installed, operating personnel carry out cutting processing to the annular element blank by control box; It is characterized in that: the horizontal main axis case is installed on the guide rail on the main spindle box base, on the dividing plate in the inner chamber of main spindle box base rear portion motor is installed, gearbox, on the main spindle box base, the screw drive pair is installed with bearing block, the nut correspondence is installed in the bottom of main spindle box, the belt transmission auxiliary driving is installed between the power shaft of the output shaft of motor and reduction box, on the output shaft of reduction box, lower gear is installed, this lower gear is again by the transmission that is meshed that cogs on carrier gear and the screw rod, main spindle box is by the motor that is installed in main spindle box base rear portion, gearbox and gear drive, screw drive drives, screw rod rotates and drives nut and main spindle box, before main spindle box is done, move to adjust the position of annular element saw kerf the back; Annular element is adopted hydraulic pressure, the machinery combined type clamps, making rotating main shaft by gear drive is hollow tubular axis, before the main shaft, rear end section all is installed in the top of main spindle box inner chamber with bearing and bearing block, and before the main shaft, the outer respectively main spindle box casing that stretches out of rear end section, the preceding splicing sleeve of mounting strap chute in the inner chamber of overhanging section end before main shaft, in the inner chamber of rear-end of spindle section, offer cylindrical hole with the level, in this step cylindrical hole, packing ring is installed successively from A-P, fastening spring and spring pressure cap, before this spring pressure cap is done along with the expanding-contracting action of fastening spring, move the back, on the spring pressure cap, offer the big and little step centre bore of back segment diameter of leading portion diameter, in the large diameter hole of preceding splicing sleeve and spring pressure cap front portion, install and clamp pull bar, between the front end rigion of this clamping pull bar and the preceding splicing sleeve slide key is installed, make and clamp between pull bar and the preceding splicing sleeve the relative slippage in front and back only and can not relatively rotate, the front end of this clamping pull bar is the low conical surface cylinder in preceding high back, the rear end section of clamping pull bar is inserted in the large diameter hole of spring pressure cap after passing packing ring and fastening spring, installs bolt and be connected with the clamping pull bar in the spring pressure cap; In addition, install and the clamping cylinder that clamps the concentricity line of pull bar in the back outside of main spindle box casing, clamping cylinder connect Hydraulic Station in addition into and out of oil pipe, the piston rod of clamping cylinder pushes the spring pressure cap when overhanging, when clamping cylinder is not worked, move by behind the stretching, extension goring push spring pressure cap of fastening spring, thereby move after driving the clamping pull bar, clamp pull bar and just produce clamping force, at this moment, the piston rod of clamping cylinder breaks away from the spring pressure cap, main shaft gyration and clamping cylinder is static; In addition, at the front end chuck for installing of main shaft, circumference uniform distribution is installed the radial guidance seat on the leading flank of chuck, is mutually 120 ° or 90 ° of angles between each track base, on each track base, open trapezoidal promptly

Shape chute or dovetail chute and the tight slide block of corresponding sliding clamping are offered respectively again on each grip slide The shape groove is also used

The corresponding claw that is rectangular in shape of installing of shape bolt, composition surface at each claw and grip slide is milled with sawtooth, make the anti-slip of each claw and equidistant with chuck hub, according to the diameter of work difference, each claw can radially be adjusted as required, on the horizontal segment of each claw, all offer center inner bolt hole and upper hopper chute, and install respectively can before, the eave tile pressing plate of back slippage, bottom at each grip slide is installed roller respectively, each roller is resisted against again on the conical surface that clamps the pull bar left part, when after clamping pull bar, moving, fastening spring is in the live load state, the conical surface promotes each grip slide again and outwards moves in the footpath synchronously, each claw just directly outwards moves the workpiece that will be sleeved on each claw synchronously and clamps, when needs unclamp workpiece, start clamping cylinder, the piston reach, piston rod goring push spring pressure cap, fastening spring and the reach of clamping pull bar, each grip slide and each claw are done directly inwardly to move synchronously, claw unclamps workpiece, has just realized annular element is adopted machinery, the purpose of the compound clamping of hydraulic pressure, energy self-centering and clamping, even hydraulic system breaks down, can not influence clamping force to workpiece yet, safe and reliable; In addition, the vertical band saw sawing machine is installed in left side at main spindle box base and main spindle box, the sawing machine fuselage is installed in left side at the main spindle box base, the sawing machine slide unit is installed on the guide rail on the sawing machine fuselage, servomotor is installed with support in top at the left side wall of the inner chamber of sawing machine fuselage, left side at sawing machine fuselage inner chamber, a left side is installed on the top of right side wall again respectively, right support, on a left side, with bearing block and bearing the lead screw transmission pair is installed on the right support, and will be connected with the sawing machine slide unit is corresponding with the connecting plate that feed screw nut fuses, servomotor with about to leading screw between be connected with the synchronous pulley transmission, servomotor drives leading screw and rotates, drive sawing machine slide unit and band saw row culture move left and right and realize bands for band sawing feeding or withdraw from.

After workpiece clamps, this moment, the sawing machine slide unit was in the zero-bit position on the left side, start button is then worked, bands for band rotates, the sawing machine slide unit moves to right fast to sawtooth apart from annular element and to become slow-motion automatically 10 millimeters the time, and in the time will contacting annular element work, the sawing feed speed that is automatically converted to setting is carried out sawing, all saw wear and during to the position set feeding stop, retreating to zero-bit soon automatically and a circulation end.

Job step is as follows:

1), the chuck halted state on the saw-cutting machine tool from structural, column is away from the chuck zero dead stop, each claw on the chuck shrinks the bands for band stall;

2), one of lifting is enclosed within on the chuck jaws by the sawing annular element, starts clamping device, claw opens, annular element is clamped;

3), start sawing machine slide unit drive unit, the sawing machine slide unit moves, bands for band is stopped near cutting annular element;

4), the measure annular part is by the sawing position, the crawl main spindle box moves forward and backward;

5), start the chuck whirligig, cut the annular element rotation;

6), start bands for band whirligig, bands for band work;

7), start sawing machine slide unit drive unit, the bands for band that rotates on the sawing machine slide unit begins the annular element of sawing rotation, sawing begins;

8), when the distance that moves when the sawing machine slide unit is equal to or greater than the wall thickness of annular element, annular element is separated by sawing;

9), chuck and bands for band stop the rotation, the sawing machine slide unit falls back on zero-bit soon to be stopped, annular element sawing work is finished.

The automatically controlled employing centralized Control and the operation of this sawing machining tool, switch board places rocking bar behind the fuselage, the removable card of suspension type operation board is established display screen, soft-touch control, the human-computer dialogue function is arranged, easy and simple to handle reliable, all available programs control of cutting overall process, also can artificial interference, adaptability is strong.

Numerical control sawing processing machine for metal ring-shaped parts proposed by the invention mainly is made up of annular element whirligig, bands for band linear motion device and saw blade-holder straight-line feed telecontrol equipment three parts:

Its operation principle is as follows:

1), the ply rolling annular element clamps the back rotation by chuck, rotary speed can stepless speed regulation.

2), bands for band starts rotation, the sawtooth of its straight line working portion is over against ply rolling annular element external diameter, the stepless speed regulation of bands for band linear velocity.

3), saw frame is by the outer radial center position feed motion of ply rolling annular element, stepless speed regulation, when the bands for band sawtooth switched to ply rolling annular element external diameter, sawing work began, along with moving of saw frame, the sawing mouth of annular element is constantly deepened, because annular element rotates, so the sawing degree of depth on the annular element external diameter circumference is the same, when saw frame displacement equals the wall thickness of annular element, the ply rolling annular element promptly is cut open, the sawing end-of-job.

Numerical control sawing processing machine for metal ring-shaped parts proposed by the invention, rational in infrastructure, safe and reliable, be particularly useful for the processing of ply rolling annular element blank, not only saving of work and time material saving, and cost is low, the work efficiency height.

Now in conjunction with the accompanying drawings and embodiments numerical control sawing processing machine for metal ring-shaped parts proposed by the invention is further described.

Description of drawings

Fig. 1 is the main optic zone partial cutaway schematic diagram of numerical control sawing processing machine for metal ring-shaped parts proposed by the invention.

Fig. 2 is the right optic zone partial cutaway schematic diagram of numerical control sawing processing machine for metal ring-shaped parts proposed by the invention.

Fig. 3 is that schematic diagram is looked on the left side of the vertical sawing machine in left side among Fig. 1.

Fig. 4 is a B-B cross-sectional schematic among Fig. 1.

Fig. 1, Fig. 2, Fig. 3, among Fig. 4: 1, sawing machine fuselage 2, sawing machine slide unit 3, gearbox 4, saw blade driving wheel 5, column 6, headstock 7, bands for band 8, saw blade follower 9, operation rocking bar 10, chuck 11, turning head 12, main spindle box base 13, clamping cylinder 14, main spindle box 15, servomotor 16, leading screw 17, control box 18, track base 19, claw 20, grip slide 21, roller 22, clamp pull bar 23, preceding splicing sleeve 24, main shaft 25, packing ring 26, fastening spring 27, the spring pressure cap

The specific embodiment

From Fig. 1, Fig. 2, Fig. 3, among Fig. 4 as can be seen: a kind of numerical control sawing processing machine for metal ring-shaped parts, comprise the annular element swivel feeding device, band saw sawing feed arrangement and truning fixture and Hydraulic Station, switch board, wherein the annular element swivel feeding device is mainly by main spindle box 14, main spindle box base 12 and chuck 10 are formed, after chuck 10 is clamped the ply rolling annular element, by the gear mechanism in the Motor Drive main spindle box 14, transmission and speed change rear drive main shaft 24 by gear and be installed in chuck 10 and workpiece on the main shaft 24: ply rolling annular element revolution, main spindle box base 12 is a box structure, the sawing of band saw, feed arrangement is the vertical band saw sawing machine, this vertical band saw sawing machine is mainly by sawing machine fuselage 1, column 5, sawing machine slide unit 2, the driving mechanism of bands for band 7 and bands for band 7, guiding mechanism and clamping device are formed, with the sawing machine fuselage 1 of box structure as support, sawing machine slide unit 2 is installed on sawing machine fuselage 1, column 5 is installed on sawing machine slide unit 2, headstock 6 is installed in column 5 upper ends, saw blade follower 8 and saw blade strainer are installed on headstock 6, saw blade follower 8 links to each other with the follower slide, the follower slide can move up and down in column 5, and the follower slide is driven and tension band saw blade 7 by tensioning hydro-cylinder; At the bottom of sawing machine slide unit 2 mounting bracket plate, the motor, gearbox 3 and the saw blade driving wheel 4 that on supporting plate, are positioned in sawing machine fuselage 1 inner chamber and link to each other successively, mounting strap saw blade 7 on saw blade driving wheel 4 and

saw blade follower

8,7 rotations of Motor Drive bands for band, the straightway of bands for band 7 is work parts of sawing, and this bands for band driving mechanism feeding with the motion of sawing machine slide unit 2; The guiding of bands for band 7, clamping device are in the headstock 6 of column 5 upper ends the upper rail seat to be housed, the lower guideway seat is housed on sawing machine slide unit 2, upper and lower saw cramp bar is contained in the upper and lower track base and moves up and down, by the Motor Drive in the headstock 6, also reach respectively on the upper and lower saw cramp bar by worm gear and two pairs of gear reductions, actuating motor makes upper and lower saw cramp bar do synchronously oppositely to move; In addition, turning head 11 is installed on right side at main spindle box base 12, bite on the turning head 11 cuts the outside end face of annular element blank, rotating operation rocking bar 9 is being installed on the main spindle box 12 and on this operation rocking bar 9, suspension type control box 17 is being installed, the processing that operating personnel are undertaken the annular element blank by control box 17; It is characterized in that: horizontal main axis case 14 is installed on sagittal guide rail on the main spindle box base 12, motor and gearbox are installed on the dividing plate in main spindle box base 12 rear portion inner chambers, on main spindle box base 12, the screw drive pair is installed with bearing block, the nut correspondence is installed in the bottom of main spindle box 14, the belt transmission auxiliary driving is installed between the power shaft of the output shaft of motor and reduction box, on the output shaft of reduction box, lower gear is installed, this lower gear is again by the transmission that is meshed that cogs on carrier gear and the screw rod, screw rod rotates and drives nut and main spindle box 14, main spindle box 14 is by the motor that is installed in main spindle box base 12 rear portions, gearbox and gear drive, screw drive drives, and main spindle box 14 moves forward and backward on main spindle box base 12 to adjust the position of annular element saw kerf; Annular workpieces is adopted hydraulic pressure, the machinery combined type clamps, make rotating main shaft 24 by gear drive and be hollow tubular axis, before the main shaft 24, rear end section all is installed in the top of the inner chamber of main spindle box 14 with bearing and bearing block, and before the main shaft 24, the outer respectively casing that stretches out main spindle box 14 of rear end section, the preceding splicing sleeve 23 of mounting strap chute in the inner chamber of preceding overhanging section end of main shaft 24, in the inner chamber of main shaft 24 rear end section, offer cylindrical hole with the level, in this step cylindrical hole, packing ring 25 is installed successively from A-P, fastening spring 26 and spring pressure cap 27, this spring pressure cap 27 is along with the expanding-contracting action of fastening spring 26 before doing, move the back, on spring pressure cap 27, offer the big and little step centre bore of back segment diameter of leading portion diameter, in the large diameter hole of preceding splicing sleeve 23 and spring pressure cap front portion, install and clamp pull bar 22, between the front end rigion of this clamping pull bar 22 and the preceding splicing sleeve 23 slide key is installed, make and clamp between pull bar 22 and the preceding splicing sleeve 23 the relative slippage in front and back only and can not relatively rotate, the front end of this clamping pull bar 22 is the low conical surface cylinder in preceding high back, the rear end section that clamps pull bar 22 is passed in the large diameter hole of packing ring 25 and fastening spring 26 back insertion spring pressure caps 27, installs bolt and be connected with clamping pull bar 22 in spring pressure cap 27; In addition, install and the clamping cylinder 13 that clamps pull bar 22 concentricity lines in the back outside of main spindle box 14 casings, clamping cylinder 13 connect Hydraulic Station in addition into and out of oil pipe, the piston rod of clamping cylinder 13 pushes spring pressure cap 27 when overhanging, when clamping cylinder 13 is not worked, move by behind the stretching, extension goring push spring pressure cap 27 of fastening spring 26, thereby move after driving clamping pull bar 22, clamp pull bar 22 and just produce clamping force, at this moment, the piston rod of clamping cylinder 13 breaks away from spring pressure cap 27, main shaft 24 revolutions and clamping cylinder 13 is static; In addition, at the front end chuck for installing 10 of main shaft 24, circumference uniform distribution is installed radial guidance seat 18 on the leading flank of chuck 10, is mutually 120 ° or 90 ° of angles between each track base 18, on each track base 18, open trapezoidal promptly Shape chute or dovetail chute and the tight slide block 20 of corresponding sliding clamping are offered respectively again on each grip slide 20 The shape groove is also used The corresponding claw 19 that is rectangular in shape of installing of shape bolt, composition surface at each claw 19 and grip slide 20 is milled with sawtooth, make each claw 19 anti-slip and equidistant with the center of chuck 10, according to the diameter of work difference, each claw 19 can radially be adjusted as required, on the horizontal segment of each claw 19, all offer center inner bolt hole and upper hopper chute, and the screw rod of mounting strap eave tile pressing plate in each center inner bolt hole respectively, each eave tile pressing plate can before, back slippage, bottom at each grip slide 20 is installed roller 21 respectively, each roller 21 is resisted against again on the conical surface that clamps pull bar 22 leading sections, when after clamping pull bar 22, moving, fastening spring 26 is in the live load state, the conical surface that strains at bar 22 leading sections promotes each grip slide 20 again and outwards moves in the footpath synchronously, each claw 19 just directly outwards moves synchronously, the workpiece that is sleeved on each claw 19 is clamped, when needs unclamp workpiece, start clamping cylinder 13, the piston reach, piston rod goring push spring pressure cap 27, fastening spring 26 and 22 reaches of clamping pull bar, each grip slide 20 and each claw 19 are done directly inwardly to move synchronously, claw 19 unclamps workpiece, has just realized annular workpieces is adopted machinery, the purpose of the compound clamping of hydraulic pressure, energy self-centering and clamping, even hydraulic system breaks down, can not influence clamping force to workpiece yet, safe and reliable; In addition, the vertical band saw sawing machine is installed in left side at main spindle box base 12 and main spindle box 14, the sawing machine fuselage 1 of vertical band saw is installed in the left side of main spindle box base 12, sawing machine slide unit 2 is installed on the guide rail on the sawing machine fuselage 1, servomotor 15 is installed with support in top at the left side wall of the inner chamber of sawing machine fuselage 1, left side at sawing machine fuselage 1 inner chamber, a left side is installed on the top of right side wall again respectively, right support, on a left side, with bearing block and bearing the lead screw transmission pair is installed on the right support, and the connecting plate and 2 corresponding being connected of sawing machine slide unit that will fuse with feed screw nut, a servomotor 15 and a left side, be connected with the synchronous pulley transmission between the leading screw 16 of dextrad, servomotor 15 drives leading screw 16 and rotates, and drives a sawing machine slide unit 2 and bands for band 7 work left sides, move right and realize bands for band 7 sawing feeding or withdraw from.

After workpiece clamps, sawing machine slide unit 2 is in the zero-bit position on the left side at this moment, start button is then worked, bands for band 7 rotates, sawing machine slide unit 2 moves to right fast to sawtooth apart from annular element and to become slow-motion automatically 10 millimeters the time, and in the time will contacting annular element work, the sawing feed speed that is automatically converted to setting is carried out sawing, all saw wear and during to the position set feeding stop, retreating to zero-bit soon automatically and a circulation end.

Job step is as follows:

1), chuck 10 halted states on the saw-cutting machine tool from structural, column 5 is away from chuck 10 zero dead stops, each claw 19 on the chuck 10 shrinks bands for band 7 stalls;

2), one of lifting is enclosed within on the claw 19 on the chuck 10 by the sawing annular element, starts clamping device, each claw 19 opens, annular element is clamped;

3), start sawing machine slide unit 2 drive units, sawing machine slide unit 2 moves right, bands for band 7 is stopped near cutting annular element;

4), the measure annular part is by the sawing position, crawl main spindle box 14 moves forward and backward;

5), start the whirligig of chuck 10, cut the annular element rotation;

6), start the whirligig of bands for band 7, bands for band 7 work;

7), start the drive unit of sawing machine slide unit 2, the annular element of the bands for band 7 beginning sawings rotations of rotation on the sawing machine slide unit 2, sawing begins;

8), when the distance that moves when sawing machine slide unit 2 is equal to or greater than the wall thickness of annular element, annular element is separated by sawing;

9), chuck 10 and bands for band 7 stop the rotation, sawing machine slide unit 2 falls back on zero-bit soon to be stopped, annular element sawing work is finished.

Its operation principle is as follows:

1), the ply rolling annular element clamps the back rotation by chuck 10, rotary speed can stepless speed regulation.

2), bands for band 7 starts rotation, the sawtooth of its straight line working portion is over against ply rolling annular element external diameter, the linear velocity stepless speed regulation of bands for band 7.

3), saw frame is by the outer radial center position feed motion of ply rolling annular element, stepless speed regulation, when bands for band 7 sawtooth switched to ply rolling annular element external diameter, sawing work began, along with moving of saw frame, the sawing mouth of annular element is constantly deepened, because annular element rotates, so the sawing degree of depth on the annular element external diameter circumference is the same, when saw frame displacement equals the wall thickness of annular element, the ply rolling annular element promptly is cut open, the sawing end-of-job.

The automatically controlled employing centralized Control and the operation of this sawing machining tool, after switch board placed fuselage, the removable card of suspension type control box 17 was established display screen, soft-touch control has the human-computer dialogue function, and operation is reliable, the all available programs control of cutting overall process also can artificial interference, and adaptability is strong.

Claims

1. numerical control sawing processing machine for metal ring-shaped parts, comprise the annular element swivel feeding device, the band saw sawing, feed arrangement and truning fixture and Hydraulic Station, switch board, wherein the annular element swivel feeding device is mainly by main spindle box (14), main spindle box base (12) and chuck (10) are formed, the band saw sawing, feed arrangement is mainly by sawing machine fuselage (1), column (5), sawing machine slide unit (2), the driving mechanism of bands for band (7) and bands for band (7), guiding mechanism and clamping device are formed, truning fixture is on the right side of main spindle box base (12) turning head (11) to be installed, and the operation rocking bar (9) on main spindle box (14) is gone up suspension type control box (17) is installed; It is characterized in that:

A, horizontal main axis case (14) is installed on the sagittal guide rail on the main spindle box base (12), motor and gearbox are installed on the dividing plate in the inner chamber of main spindle box base (12) rear portion, go up with bearing block installation screw drive pair at main spindle box base (12), the nut correspondence is installed in the bottom of main spindle box (14), the belt transmission auxiliary driving is installed between the power shaft of the output shaft of motor and reduction box, on the output shaft of reduction box, lower gear is installed, this lower gear is again by the transmission that is meshed that cogs on carrier gear and the screw rod, and screw rod rotates and drives nut and main spindle box (14) and go up at main spindle box base (12) and move forward and backward;

B, annular workpieces is adopted hydraulic pressure, the machinery combined type clamps, making rotating main shaft (24) by gear drive is hollow tubular axis, before the main shaft (24), rear end section all is installed in the top of the inner chamber of main spindle box (14) with bearing and bearing block, and before the main shaft (24), the outer respectively casing that stretches out main spindle box (14) of rear end section, the preceding splicing sleeve (23) of mounting strap chute in the inner chamber of preceding overhanging section end of main shaft (24), in the inner chamber of main shaft (24) rear end section, offer cylindrical hole with the level, in this step cylindrical hole, packing ring (25) is installed successively from A-P, fastening spring (26) and spring pressure cap (27), on spring pressure cap (27), offer the big and little step centre bore of back segment diameter of leading portion diameter, in the large diameter hole of preceding splicing sleeve (23) and spring pressure cap (27) front portion, install and clamp pull bar (22), between the front end rigion of this clamping pull bar (22) and the preceding splicing sleeve (23) slide key is installed, the front end of this clamping pull bar (22) is the low conical surface cylinder in preceding high back, the rear end section that clamps pull bar (22) is passed in the large diameter hole of packing ring (25) and fastening spring (26) back insertion spring pressure cap (27), installs bolt and be connected with clamping pull bar (22) in spring pressure cap (27);

C, install and the clamping cylinder (13) that clamps the concentricity line of pull bar (22) in the back outside of main spindle box (14) casing, clamping cylinder (13) connect Hydraulic Station in addition into and out of oil pipe;

D, at the front end chuck for installing (10) of main shaft (24), circumference uniform distribution is installed radial guidance seat (18) on the leading flank of chuck (10), be mutually 120 ° or 90 ° of angles between each track base (18), on each track base (18), open trapezoidal chute or dovetail chute and the corresponding sliding tight slide block of clamping (20), on each grip slide (20), offer respectively again

The shape groove is also used The corresponding claw (19) that is rectangular in shape of installing of shape bolt, composition surface at each claw (19) and grip slide (20) is milled with sawtooth, on the horizontal segment of each claw (19), all offer center inner bolt hole and upper hopper chute, and the screw rod of mounting strap eave tile pressing plate in each center inner bolt hole respectively, in the bottom of each grip slide (20) roller (21) is installed respectively, each roller (21) is resisted against again on the conical surface that clamps pull bar (22) leading section;

E, the vertical band saw sawing machine is installed in left side at main spindle box base (12) and main spindle box (14), the sawing machine fuselage (1) of vertical band saw is installed in the left side of main spindle box base (12), sawing machine slide unit (2) is installed on the guide rail on the sawing machine fuselage (1), servomotor (15) is installed with support in top at the left side wall of the inner chamber of sawing machine fuselage (1), left side at sawing machine fuselage (1) inner chamber, a left side is installed on the top of right side wall again respectively, right support, on a left side, with bearing block and bearing the lead screw transmission pair is installed on the right support, and the connecting plate and corresponding being connected of sawing machine slide unit (2) that will fuse with feed screw nut, servomotor (15) with about to leading screw (16) between be connected with the synchronous pulley transmission.