Summary of the invention
Purpose of the present invention has provided a kind of three-shaft linkage numerical control tape saw, and its saw blade can be rotated with the direction of setting cutting curve, can cut out smooth curved surface rapidly and accurately, the production efficiency height, percent defective is low, specification requirement to the workman is low, can significantly carry reducing production costs.
The objective of the invention is to be achieved through the following technical solutions: three-shaft linkage numerical control tape saw, comprise support, install wheel, lower whorl and driving mechanism on the support, between last wheel and the lower whorl band saw is installed, lower whorl or the axle of upward taking turns are connected with driving mechanism; Be provided with lower installation board and upper mounting plate on the support between last wheel and lower whorl, install on the lower installation board deflection mechanism down is installed on deflection mechanism and the upper mounting plate, upper deflecting mechanism is positioned at the below of wheel, and following deflection mechanism is positioned at the top of lower whorl; Upper deflecting mechanism and following deflection mechanism and band saw are slidingly matched, and band saw is play the guiding role; Upper deflecting mechanism is identical with following deflection mechanism structure, following deflection mechanism is by the deflection driven motor, the deflection driven gear, gear wheel and rotation seat connect and compose, deflection driven motor and gear wheel are installed on the lower installation board, the deflection driven gear is installed on the output shaft of deflection driven motor, deflection driven gear and gear wheel engagement, rotation seat is installed on the gear wheel, offer the rotation seat groove on the rotation seat, offer gear grooved on the gear wheel, offer groove on the lower installation board, gear grooved communicates with the rotation seat groove is corresponding, and the back location bearing is installed in the rotation seat groove, band saw is positioned at groove, in rotation seat groove and the gear grooved, and with the back location bearing cooperate; Two side location bearings are installed on the rotation seat, and two side location bearings lay respectively at the both sides of rotation seat groove; Flooring board travel mechanism is installed on the support.
For further realizing purpose of the present invention, can also realize by the following technical solutions: described side location bearing is fixedlyed connected with rotation seat with bolt by locating piece, offers locating slot on the locating piece, and bolt cooperates with locating slot.Described sheet material travel mechanism comprises base, and base is connected with support, two X-axis guide rails of parallel installation on the base, on two X-axis guide rails sliding seat is installed, tooth bar is installed on the base, mounting teeth wheel drive motor on the sliding seat, on the output shaft of gear drive motor gear is installed, the wheel and rack engagement; Two Y-axis guide rails of parallel installation and two rhizoid thick sticks on the sliding seat, the Y-axis guide rail is vertical with the X-axis guide rail, several support bars are installed on the sliding seat, support bar is connected with sliding seat by the support bar buffer rail, slide block of each movable installation on the every Y-axis guide rail, slide block is connected with threads of lead screw, between two slide blocks walker is installed, several clamp mechanism are installed on the walker, and each clamp mechanism is between adjacent two support bars; Two leading screw drive motors are installed on the sliding seat, and the output shaft and the leading screw of leading screw drive motors connect one to one.The discharge end of described sliding seat is provided with two poles, location tooth bar, lifting hydraulic cylinder and guide rod are installed on the pole, install L shaped connector on the lifting hydraulic cylinder upper piston rod, two fall and between the L shaped connector elevating lever are installed, and elevating lever is between two poles, and elevating lever and guide rod are slidingly matched, rotating shaft is installed on the elevating lever, a Positioning Gear is respectively installed at the two ends of rotating shaft, Positioning Gear and the corresponding one by one engagement of location tooth bar, and pressure roller is installed in the bottom of elevating lever.Described clamp mechanism comprises supporting seat, supporting seat is fixedlyed connected with walker, gullet plate, briquetting arm from bottom to top are installed on the supporting seat successively and are compressed hydraulic cylinder, gullet plate is fixedlyed connected with supporting seat, one end and the supporting seat of briquetting arm are hinged, and the other end of briquetting arm is installed briquetting, and the upper end and the supporting seat that compress hydraulic cylinder are hinged, the lower end and the briquetting arm middle part that compress hydraulic cylinder are hinged, and briquetting cooperates with gullet plate.On the outermost support bar positioning hydraulic cylinders is installed, on the piston rod of positioning hydraulic cylinders location-plate is installed, the piston rod of positioning hydraulic cylinders is vertical with support bar.
Good effect of the present invention is: it is equipped with the saw blade deflection mechanism, and deflection mechanism can change the direction of band saw sawtooth, goes out smooth curved surface in the situation incision that need not rotate sheet material.Can significantly improve cutting accuracy and efficient, reduce working strength of workers, and do not need workman itself to possess the skill of skilled manual control panel material.Its sheet material moves fully to be finished by mechanical device, can realize Numerical control cutting, can further improve cutting efficiency, reduces labor strength, reduces production costs.The present invention also has compactness simple for structure, advantage cheap for manufacturing cost and easy to use.
The specific embodiment
Three-shaft linkage numerical control tape saw of the present invention, as shown in Figure 1, comprise support 1, install wheel 2, lower whorl 3 and driving mechanism 5 on the support 1, last wheel 2 is positioned at lower whorl 3 tops, on take turns 2 and lower whorl 3 between band saw 4 is installed, lower whorl 3 or the axle of going up wheel 2 are connected with driving mechanism 5, driving mechanism 5 is for lower whorl 3 or go up wheel 2 rotary power is provided, on take turns 2 and lower whorl 3 drive band saws 4 cycle rotations; Between last wheel 2 and lower whorl 3, be provided with lower installation board 34 and upper mounting plate 47 on the support 1, install on the lower installation board 34 deflection mechanism 7 down is installed on deflection mechanism 6 and the upper mounting plate 47, upper deflecting mechanism 6 is positioned at the below of wheel 2, and following deflection mechanism 7 is positioned at the top of lower whorl 3; Upper deflecting mechanism 6 and following deflection mechanism 7 are slidingly matched with band saw 4, and upper deflecting mechanism 6 and 7 pairs of band saws 4 of following deflection mechanism play the guiding role; Upper deflecting mechanism 6 is identical with following deflection mechanism 7 structures, lower installation board 34 and upper mounting plate 47 are identical all to be installing plate, as shown in Figure 3 and Figure 4, following deflection mechanism 7 is by deflection driven motor 35, deflection driven gear 36, gear wheel 37 and rotation seat 38 connect and compose, deflection driven motor 35 and gear wheel 37 are installed on the lower installation board 34, gear wheel 37 can rotate relative to lower installation board 34, deflection driven gear 36 is installed on the output shaft of deflection driven motor 35, deflection driven gear 36 and gear wheel 37 engagements, rotation seat 38 is installed on the gear wheel 37, offer rotation seat groove 46 on the rotation seat 38, offer gear grooved 44 on the gear wheel 37, offer groove 45 on the lower installation board 34, gear grooved 44 and rotation seat groove 46 corresponding communicating are installed back location bearing 43 in the rotation seat groove 46, band saw 4 is positioned at groove 45, in rotation seat groove 46 and the gear grooved 44, and cooperate with back location bearing 43, move behind the back location bearing 43 restriction band saws 4, guarantee effectively cuts sheet material of band saw 4; As shown in Figure 3, two side location bearings 42 are installed on the rotation seat 38, two side location bearings 42 lay respectively at the both sides of rotation seat groove 46, both sides location bearing 42 can reduce the friction between rotation seat 38 and the band saw 4 simultaneously at the band saw 4 that rotates under the drive of rotation seat 38 between upper deflecting mechanism 6 and the following deflection mechanism 7; Flooring board travel mechanism is installed on the support 1, and sheet material travel mechanism existingly can drive the mechanism that sheet material moves by setting path deflection under the control device instruction.Described driving mechanism 5 can be the mechanism that is connected and composed by prior motor, drive and driving-belt, and motor drives by drive and driving-belt and goes up wheel 2 or lower whorl 3 rotations.
During installation, be the control core device, be connected with sheet material travel mechanism, driving mechanism 5, upper deflecting mechanism 6 and following deflection mechanism 7 by circuit respectively by Programmable Logic Controller, monolithic or microcomputer etc.; Sheet material to be cut is mounted in the sheet material travel mechanism.
During cutting, by control device control sheet material travel mechanism, driving mechanism 5, upper deflecting mechanism 6 and 7 work of following deflection mechanism.Driving mechanism 5 by on take turns 2 and lower whorl 3 drive band saws 4 cycle rotations, promptly driving mechanism 5 provides the rotation cutting power for band saw 4.When the cutting angle of need conversion band saw 4, upper deflecting mechanism 6 and following deflection mechanism 7 drive band saw 4 deflections of therebetween part synchronously, to reach the cutting angle of the best.Described sheet material moves machine can drive the instruction fast moving of sheet material by control device, to improve cutting effect, to improve cut quality.
Be convenient distance of regulating 42 of both sides location bearings according to the band saw 4 of different in width, as shown in Figure 3, described side location bearing 42 is fixedlyed connected with rotation seat 38 with bolt 41 by locating piece 39, offers locating slot 40 on the locating piece 39, and bolt 41 cooperates with locating slot 40.During adjustment, can will move mutually between bolt 41 and the locating slot 40, thereby adjust two spacings between the side location bearing 42.
As depicted in figs. 1 and 2, described sheet material travel mechanism comprises base 8, base 8 is fixedlyed connected with support 1, sliding seat 10 is installed on 9, two X-axis guide rails 9 of two X-axis guide rails of parallel installation on the base 8, and sliding seat 10 can move along X-axis guide rail 9 straight lines, tooth bar 20 is installed on the sliding seat 10, mounting teeth wheel drive motor 18 on the sliding seat 10 is installed gear 19 on the output shaft of gear drive motor 18, gear 19 and tooth bar 20 engagements; Two Y-axis guide rails 11 of parallel installation and two rhizoid thick sticks 13 on the sliding seat 10, Y-axis guide rail 11 is vertical with X-axis guide rail 9, the several support bars 16 of parallel installation on the sliding seat 10, keep at a certain distance away between adjacent two 16, several support bars 16 constitute the bracketing platform of sheet material, support bar 16 is fixedlyed connected with sliding seat 10 by support bar buffer rail 15, when need are adjusted the spacing of 16 of support bars, can unclamp the positioning link of support bar 16 and support bar buffer rail 15, support bar 16 is moved along support bar buffer rail 15.Slide block 12 of each movable installation on the every Y-axis guide rail 11, slide block 12 moves along Y-axis guide rail 11, slide block 12 is threaded with leading screw 13, walker 50 is installed between two slide blocks 12, several clamp mechanism are installed on the walker 50, clamp mechanism is used for clamping sheet material to be cut, in case move under the dissection of band saw 4.For easy for installation, drive sheet material for ease of clamp mechanism simultaneously and move along support bar 16, each clamp mechanism is between adjacent two support bars 16; Two leading screw drive motors 14 are installed on the sliding seat 10, and the output shaft of leading screw drive motors 14 and leading screw 13 connect one to one.Gear drive motor 18 driven gears 19 rotate, and gear 19 cooperates drive sliding seat 10 to move along X-axis guide rail 9 with tooth bar 20.Two leading screw drive motors 14 can drive two rhizoid thick sticks 13 respectively and rotate synchronously, and leading screw 13 cooperates with slide block 12, make slide block 12 drive walker 50 and move along Y-axis guide rail 11.According to the cutting profile that sheet material is set, gear drive motor 18 and leading screw drive motors 14 drive sliding seat 10 and walker 50 move, and cut out corresponding cambered surface thereby sheet material is cooperated with band saw 4.Utilize this sheet material travel mechanism to move sheet material, can more make move more accurate, and cuts sheet material more efficiently.
When cutting, sheet material is increased pressure for convenient, guarantee that further sheet material can not move under the dissection of band saw 4, as depicted in figs. 1 and 2, the discharge end of described sliding seat 10 is provided with two poles 48, location tooth bar 28, lifting hydraulic cylinder 26 and guide rod 33 are installed on the pole 48, install L shaped connector 49 on lifting hydraulic cylinder 26 upper piston rods, two fall elevating lever 25 is installed between the L shaped connector 49, make elevating lever 25 between two poles 48, elevating lever 25 is slidingly matched with guide rod 33, and guide rod 33 play the guiding role for the lifting of elevating lever 25.Rotating shaft 32 is installed on the elevating lever 25, and rotating shaft 32 is connected with elevating lever 25 by bearing, and rotating shaft 32 can be rotated relative to elevating lever 25.A Positioning Gear 27 is respectively installed at the two ends of rotating shaft 32, Positioning Gear 27 and the corresponding one by one engagement of location tooth bar 28, Positioning Gear 27 cooperates with location tooth bar 28, and it is more accurate to make lifting hydraulic cylinder 26 drive moving of elevating lever 25, is convenient to support the accurate adjustable height of control elevating lever 25.Pressure roller 31 is installed in the bottom of elevating lever 25.In the cutting process, pressure roller 31 can move down under the drive of elevating lever 25, and cooperates clamping sheet material with support bar 16, prevents the effect lower swing of sheet material at band saw 4.
As shown in Figure 1, described clamp mechanism comprises supporting seat 21, supporting seat 21 is fixedlyed connected with walker 50, gullet plate 17, briquetting arm 22 from bottom to top are installed on the supporting seat 21 successively and are compressed hydraulic cylinder 23, gullet plate 17 is fixedlyed connected with supporting seat 21, and gullet plate 17 is positioned at the space of adjacent two support bars 16.One end and the supporting seat 21 of briquetting arm 22 are hinged, and the other end of briquetting arm 22 is installed briquetting 24, and the upper end and the supporting seat 21 that compress hydraulic cylinder 23 are hinged, and the lower end and briquetting arm 22 middle parts that compress hydraulic cylinder 23 are hinged, and briquetting 24 cooperates with gullet plate 17.Compress hydraulic cylinder 23 and provide pressure for briquetting arm 22, briquetting 24 cooperates clamping sheet material with gullet plate 17.
For before cutting, can proofread and correct sheet material, so that improve cutting accuracy, as shown in Figure 2, positioning hydraulic cylinders 30 is installed on the outermost support bar 16, location-plate 29 is installed on the piston rod of positioning hydraulic cylinders 30, the piston rod of positioning hydraulic cylinders 30 is vertical with support bar 16.In the time of near clamp mechanism drives the discharge end that sheet material moves to sliding seat 10, can start positioning hydraulic cylinders 30, positioning hydraulic cylinders 30 promotes 29 pairs of sheet materials of location-plates and proofreaies and correct.
The present invention not technology contents of detailed description is known technology.