A kind of five tetrads move deep hole drilling machine
Technical field:
The utility model relates to the drilling machine technical field, refers in particular to the moving deep hole drilling machine of a kind of five tetrads.
Background technology:
Traditional deep hole drilling machine can't be processed inclined hole, for addressing this problem, the applicant drops into great effort and material resources are developed and studied, the applicant developed a kind of deep hole drilling machine that can carry out inclined hole processing in 2006, as application number " 200620064769.0 ", patent name is shown in the Chinese patent of " ram can rotating deep hole drilling machine ", the deep hole drilling machine that this patent disclosed includes lathe bed, workbench, crossbeam, column, ram, main spindle box, main shaft, guide holder, slide unit, central shaft, ram device for revolving and driving and ram retaining mechanism, slide unit by its nut cooperate with the screw mandrel of column with and guide groove cooperate with the guide rail of column and be placed on the column, central shaft is placed in the center of slide unit, ram is connected on the central shaft with its center borehole jack, and cooperate with the arc dovetail guide groove of slide unit with slide unit by one section arc dovetail guide on it and to link together, between slide unit and ram, settled ram device for revolving and driving and ram retaining mechanism.It makes deep hole drilling machine carry out inclined hole processing to workpiece, has solved the problem that traditional drilling machine can't be processed inclined hole effectively.Ram device for revolving and driving wherein is made up of servomotor, worm gear and worm screw, and servomotor rotates by the worm drive worm gear, and then makes ram realize rotation.Yet the engagement fit between worm gear and the worm screw exists bigger gap error, particularly backlass error, and still there is bigger error in the angle of inclination of ram, and the machining accuracy of deep hole drilling machine is low, can not satisfy the requirement of deep hole drilling machine to the processing of high accuracy inclined hole.
The utility model content:
The purpose of this utility model is to provide a kind of five tetrads to move deep hole drilling machine at the deficiencies in the prior art, and it is simple in structure, and the control accuracy height of ram, deep hole drilling machine can carry out the processing of high accuracy inclined hole.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of five tetrads move deep hole drilling machine, include lathe bed, workbench, column, slide unit, ram, main spindle box, leading to case and bearing support, workbench and column are individually fixed on the lathe bed, the slide unit activity is overlapped on the vertical guide rail of column, main spindle box, leadingly be separately positioned on the ram to case and bearing support, ram is articulated on the slide unit, the hinged servomotor in slide unit upper end, servomotor connects ball screw by reduction box, one end of ram is fixed with nut, and ball screw cooperates with the nut transmission.
Offer PRECISION HOLE on the slide unit, be fixed with sliding bearing in the PRECISION HOLE, sliding bearing is set on the rotating shaft on the ram.
Rotating shaft is near the front position of ram.
The right-hand member of slide unit forms boss, and the back side of ram is fixed with L type arc pressuring plate, and the protrusion limit of L type arc pressuring plate is close on the boss, is sticked on the mating surface of L type arc pressuring plate and boss to have the face of moulding of high-wear resistance.
Be fixed with locking cylinder on L type arc pressuring plate or the ram, connect a locking wedge block on the push rod of locking cylinder; Offer a voussoir host cavity on the L type arc pressuring plate, locking wedge block is arranged in the voussoir host cavity, and the front end of locking wedge block is inserted in the space between boss and the L type arc pressuring plate.
Be equiped with the anglec of rotation that is used to measure ram on the slide unit and this anglec of rotation is outputed to rotary encoder on the display screen, be equiped with synchronous pulley on the rotating shaft of rotary encoder and the rotating shaft respectively, be connected by band synchronously on the rotating shaft of rotary encoder and the rotating shaft.
The beneficial effects of the utility model: ram of the present utility model is articulated on the slide unit, the hinged servomotor in slide unit upper end, and servomotor connects ball screw by reduction box, and an end of ram is fixed with nut, and ball screw cooperates with the nut transmission; No drive gap and reverse drive gap between ball screw and the nut, driving error is minimum, the precision height, deep hole drilling machine can carry out the processing of high accuracy inclined hole, the utility model is simple in structure, and the control accuracy height of ram, deep hole drilling machine can carry out the processing of high accuracy inclined hole.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the structural representation at another visual angle of the utility model;
Accompanying drawing 3 is a partial structurtes schematic diagram of the present utility model;
The A of accompanying drawing 4 accompanying drawings 3 is to the partial sectional view of projection;
Accompanying drawing 5 is the partial enlarged drawing at C place in the accompanying drawing 4;
Accompanying drawing 6 is the partial enlarged drawing at D place in the accompanying drawing 4;
Accompanying drawing 7 is the partial enlarged drawing at E place in the accompanying drawing 4.
The specific embodiment:
Five moving deep hole drilling machines of tetrad, see accompanying drawing 1 to 7, include lathe bed 1, workbench 2, column 3, slide unit 4, ram 5, main spindle box 6, leading to case 7 and bearing support 8, workbench 2 and column 3 are individually fixed on the lathe bed 1, slide unit 4 activities are overlapped on the vertical guide rail of column 3, main spindle box 6, leadingly are separately positioned on the ram 5 to case 7 and bearing support 8.
Offer PRECISION HOLE 13 on the described slide unit 4, be fixed with sliding bearing 14 in the PRECISION HOLE 13, sliding bearing 14 is set on the rotating shaft 15 on the ram 5, thereby ram 5 is articulated on the slide unit 4, and ram 5 can be around rotating shaft 15 rotations.
Described rotating shaft 15 is near the front position of ram 5.Rotating shaft 15 also is the back shaft of ram 5 simultaneously, and therefore, rotating shaft 15 not only can increase the structural strength and the anti-seismic performance of ram 5 near the front position of ram 5, improves the shock resistance of ram 5, effectively reduces the vibrations that are installed on the drilling rod on the ram 5.
The hinged servomotor 9 in described slide unit 4 upper ends points out that further slide unit 4 upper ends are provided with fixed support, and servomotor 9 is to be articulated on the fixed support of slide unit 4 upper ends.Servomotor 9 connects ball screw 11 by reduction box 10, and an end of ram 5 is fixed with nut 12, and ball screw 11 cooperates with nut 12 transmissions.Servomotor 9 drives ball screw 11 by reduction box 10 and rotates, servomotor 9, reduction box 10 and ball screw 11 together rotate around hinge, ball screw 11 drives ram 5 around rotating shaft 15 rotations by nut 12, realization is to the adjusting at the angle of inclination of ram 5, make deep hole drilling machine can carry out inclined hole processing, and no drive gap and reverse drive gap between ball screw 11 and the nut 12, driving error is minimum, precision height, deep hole drilling machine can carry out the processing of high accuracy inclined hole.Ram 5 can be around rotating shaft 15 revolutions-25 degree~+ 15 degree, and workbench 2 can move 200 units along the W axle.
The right-hand member of slide unit 4 forms boss 16, and the back side of ram 5 is fixed with L type arc pressuring plate 17, and the protrusion limit of L type arc pressuring plate 17 is close on the boss 16, and being sticked on the mating surface of L type arc pressuring plate 17 and boss 16 has the face of moulding of high-wear resistance.By the relative position relation that L type arc pressuring plate 17 guarantees between ram 5 and the slide unit 4, guarantee the precision of ram 5.
Be fixed with locking cylinder 18 on L type arc pressuring plate 17 or the ram 5, connect a locking wedge block 19 on the push rod of locking cylinder 18; Offer a voussoir host cavity 20 on the L type arc pressuring plate 17, locking wedge block 19 is arranged in voussoir host cavity 20, and the front end of locking wedge block 19 is inserted in the space between boss 16 and the L type arc pressuring plate 17.When pushing away before the locking cylinder 18 driving locking wedge blocks 19, locking wedge block 19 extruding boss 16 and L type arc pressuring plate 17, locking ram 5 and slide unit 4, relatively rotating between locking cylinder 18 and locking wedge block 19 restriction rams 5 and the slide unit 4, thus the ram brake apparatus of simple in structure a, reliable in action formed.
Be equiped with the anglec of rotation that is used to measure ram 5 on the slide unit 4 and this anglec of rotation is outputed to rotary encoder 21 on the display screen, be equiped with synchronous pulley 22 respectively on the rotating shaft of rotary encoder 21 and the rotating shaft 15, the synchronous pulley 22 on the rotating shaft of rotary encoder 21 and the rotating shaft 15 is by being with 23 to be connected synchronously.Can detect the anglec of rotation of very accurate ram 5 by rotary encoder 21, the handled easily person operates and regulates.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.