CN202726153U

CN202726153U - Field slot milling machine for tapered bore

Info

Publication number: CN202726153U
Application number: CN 201220360517
Authority: CN
Inventors: 梅国平
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-24
Filing date: 2012-07-24
Publication date: 2013-02-13
Anticipated expiration: 2022-07-24

Abstract

The utility model relates to a field slot milling machine for a tapered bore, which comprises a base, a gear box, a motor, an adjusting mechanism, a driving shaft, a guide rod, a driving gear, a transmission gear, a support frame, a tool rest mechanism and the like. Compared with the prior art, the field slot milling machine for the tapered bore has the advantages that first, the field slot milling machine for the tapered bore is simpler in integral structure, more convenient to operate, not limited by field and suitable for field processing of ship rudders; and second, the driving gear is matched with a driven gear so that the tool rest can move axially along the driving shaft and rotate at an angle of 90 degrees relative to the rotating direction of the driving shaft, so as to realize combination of linear movement and rotary movement of a milling cutter, an adjusting mechanism installed on the base can move up and down and left and right so that the position of the milling cutter is adjusted to the position of a workpiece machining key groove, and if position deviation occurs, the field slot milling machine can be further finely adjusted by the adjusting mechanism till the field slot milling machine is accurate, so that a higher processing precision is obtained.

Description

The on-the-spot slotter of taper inner

Technical field

The utility model relates to a kind of slotter, relates in particular to the on-the-spot slotter of taper inner that a kind of specialty is used for shipping rudder system processing.

Background technology

There are a lot of shipyards in the whole nation now, particularly at each Shipbuilding Base, and the annual a lot of large ships of manufacturing that need.Because the shipping rudder system volume of large ship is large, heavy, mobile comparatively difficulty, and need the workpiece size of processing excessive, can't enter in the workshop and carry out groove milling with milling machine, thereby must process at the scene.The slotting attachment that can carry out to the processing work of shipping rudder system on-the-spot processing is also arranged in the market, but, generally not only structure is comparatively complicated for these on-the-spot slotting attachments, operation is trouble comparatively, and be difficult to milling cutter is accurately navigated to the position that workpiece need to be processed, thereby machining accuracy is not high, is difficult to satisfy the manufacturing requirement of modern ships.

The utility model content

Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and a kind of place restriction, simple to operate and registration, on-the-spot slotter of taper inner that machining accuracy is high of not being subjected to is provided.

The utility model solves the problems of the technologies described above the technical scheme that adopts: the on-the-spot slotter of this taper inner, and comprise base, gear-box and be connected to motor on the gearbox input shaft, characterized by further comprising:

Governor motion is installed on the above-mentioned base and drives the said gear case and makes level and vertically moving relative to this base;

Driving shaft has axial long keyway, and an end of this driving shaft is connected on the gearbox output shaft, and the other end is connected on the bracing frame;

Driving gear is set on the described driving shaft by above-mentioned axial long keyway, and this driving gear is along with the rotation of driving shaft rotates, and while axially moving freely along driving shaft;

Driven gear is meshed with above-mentioned driving gear;

Cutter frame mechanism, axially moving along described driving shaft under the driving mechanism effect, and the knife rest of this cutter frame mechanism is located on the above-mentioned driven gear, and under the transmission of described driving gear and driven gear, the direction of rotation of this knife rest and the direction of rotation of described driving shaft are perpendicular; And

Guide post parallels with described driving shaft and wears and mistake from above-mentioned cutter frame mechanism, and an end of this guide post is connected on the described gear-box, and the other end is connected on the described bracing frame.

Preferably, described driving mechanism comprises power screw mandrel and the power screw rodb base that cooperates with this power screw mandrel, this power screw mandrel is connected on the described gearbox output shaft and with described driving shaft and keeps rotating synchronously, and this power screw rodb base is fixed on the described cutter frame mechanism.Like this, the power screw mandrel can drive cutter frame mechanism along axially the moving of driving shaft by the power screw rodb base, because the precision of screw rod transmission is higher, thereby is conducive to obtain higher machining accuracy.

Described governor motion can adopt the various structures form, preferably, described governor motion includes upper plate and the lower shoe that is fixed on the base, cooperate for dovetail groove between described upper plate and the lower shoe, and upper plate is relatively lower shoe work and axially perpendicular moving horizontally of driving shaft under the drive of screw body, and described gear-box moves up and down along vertical direction with cutter frame mechanism relative upper plate under the drive of screw body.As seen not only structure is comparatively simple for this governor motion, and because wherein dovetail groove fit structure control gap well, thereby can reach the machining accuracy of high request.

Further preferred, described driven gear comprises that first driven gear and with straight-tooth and helical teeth only has the second driven gear of helical teeth, the straight-tooth end of described the first driven gear is meshed with described driving gear, and the helical teeth end of described the first driven gear is meshed with the helical teeth end of described the second driven gear.Like this, after driving gear, the first driven gear and the second driven gear matched, the direction of rotation of knife rest became 90 degree with the direction of rotation of driving shaft, after knife rest is installed various milling cutters, can realize milling cutter rectilinear motion and the combination that rotatablely moves, thereby reach the purpose of groove milling.

Rotating speed and rotation direction in order to control driving shaft are provided with multi-stage gear and clutch in the described gear-box, the effect of described gearbox output shaft by multi-stage gear and clutch can obtain different rotating speeds and just reverse.Such as making following regulation: for clockwise, be counterclockwise during withdrawing during feed, slowly run high speed rotating during finish-milling when rough milling.

Compared with prior art, the utility model has the advantage of: at first, the overall structure of the on-the-spot slotter of this taper inner is comparatively simple, and it is comparatively convenient to operate, and uses not to be subjected to the restriction in place, is fit to shipping rudder system is carried out scene processing; Secondly, cooperation by driving gear and driven gear can make knife rest can also carry out becoming with drive shaft rotation direction rotatablely moving of 90 degree along the axially movable while of driving shaft, and then realization milling cutter rectilinear motion and the combination that rotatablely moves, and by be installed in governor motion on the base do about, move left and right, can make the position of milling cutter adjust to the position that workpiece is processed keyway, if occurrence positions skew, can also finely tune by governor motion, until accurate, thereby obtain higher machining accuracy.

Description of drawings

Fig. 1 is the planar structure schematic diagram of the utility model embodiment;

Fig. 2 is the partial left side view of Fig. 1;

Fig. 3 is the schematic diagram that the first driven gear among Fig. 1 is meshed with the second driven gear.

The specific embodiment

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1 to Figure 3, the on-the-spot slotter of this taper inner has a base (not shown), at base governor motion is installed.In the present embodiment, governor motion includes upper plate 2 and the lower shoe 1 that is fixed on the base, dovetail groove cooperates between upper plate 2 and the lower shoe 1, and upper plate 2 under the drive of screw body (not shown) relatively lower shoe 1 do and horizontal shifting, dovetail groove mechanism well control gap to reach the machining accuracy of high request.Equally, gear-box 3 is installed in the side of upper plate 2, gear-box 3 under the drive of screw body (not shown) relatively upper plate 2 move up and down along vertical direction.Motor is installed on the power shaft of gear-box 3, gearbox output shaft 5 is connected with an end of driving shaft 6 by connector 7, in the present embodiment, it is 5KW that motor adopts power, the alternating current generator of 380V, gear-box 3 can obtain the different rotating speed of third gear and realization and turn to change by the effect of multiple sets of teeth wheel and clutch.When electric machine rotation, by the effect of gear and clutch, gearbox output shaft 5 obtains certain rotating speed and is just reversing, and for clockwise, is counterclockwise during withdrawing in the time of can stipulating feed, low speed when rough milling, high speed during finish-milling.

Gearbox output shaft 5 also connects power screw mandrel 8 and driving shaft 6 simultaneously by the sloth wheel gear (not shown), the power screw rodb base (not shown) that cooperates with this power screw mandrel 8 is fixed on the cutter frame mechanism 4, like this, when gearbox output shaft 5 rotates, driving shaft 6 can be driven synchronously and power screw mandrel 8 rotates synchronously, and power screw mandrel 8 further drives cutter frame mechanism 4 by screw rodb base and axially makes move left and right along driving shaft 6.Driving shaft 6 passes from cutter frame mechanism 4 centers and the other end is installed on the bracing frame 10, three guide posts 9 parallel with driving shaft 6 and wear and mistake in cutter frame mechanism 4, one end of guide post 9 is connected on the gear-box 3, the other end of guide post 9 is connected on the bracing frame 10, and the effect of guide post 9 is to control direction and the precision that cutter frame mechanism 4 moves.In addition, driving shaft 6 is provided with axial long keyway 61, and on driving shaft 6, when driving shaft 6 rotation, driving gear 11 and then rotates driving gear 11, and can axially moving freely along driving shaft 6 by these axial long keyway 61 kinks.Simultaneously, driving gear 11 is meshed with the straight-tooth end 121 of the first driven gear 12, and the helical teeth end 122 of this first driven gear 12 is meshed with helical teeth end 131 as the second driven gear 13 of bevel gear.Knife rest is positioned at cutter frame mechanism 4 and is installed on the second driven gear 13, like this, during driving gear 11 rotation, through the transmission of the first driven gear 12 and the second driven gear 13, can be with movable knife rack to be rotated, and the direction of rotation of knife rest become 90 degree with the direction of rotation of driving shaft 6.On knife rest various milling cutters can be installed, correspondingly, milling cutter can axially moving along driving shaft 6, also can do the rotation perpendicular with driving shaft 6 direction of rotation, like this, be under rectilinear motion and the combination that rotatablely moves in above-mentioned two motions of milling cutter, thereby reach the purpose of groove milling.

The course of work is as follows: at first the slotting attachment of this slotter being put in the inclined hole of processing work, and regulating gradient, is 1:12 such as the tapering of inner hole of workpiece, then will install gradient and also be adjusted to 1:12; Then be fixed, about doing by governor motion, move left and right, make the milling cutter position adjust to the position of workpiece processing keyway, carry out the feed examination and mill, such as the position skew, finely tune by governor motion again, until accurate; At last, carry out lockedly, begin to rough mill and finish-milling.

Claims

1. the on-the-spot slotter of a taper inner comprises base, gear-box (3) and is connected to motor on gear-box (3) power shaft, characterized by further comprising:

Governor motion is installed on the above-mentioned base and drives said gear case (3) and makes level and vertically moving relative to this base;

Driving shaft (6) has axial long keyway (61), and an end of this driving shaft (6) is connected on the gearbox output shaft (5), and the other end is connected on the bracing frame (10);

Driving gear (11), be set on the described driving shaft (6) by above-mentioned axial long keyway (61), this driving gear (11) is along with the rotation of driving shaft (6) rotates, and while axially moving freely along driving shaft (6);

Driven gear is meshed with above-mentioned driving gear (11);

Cutter frame mechanism (4), axially moving along described driving shaft (6) under the driving mechanism effect, and the knife rest of this cutter frame mechanism is located on the above-mentioned driven gear, under the transmission of described driving gear (11) and driven gear, the direction of rotation of the direction of rotation of this knife rest and described driving shaft (6) is perpendicular; And

Guide post (9), parallel with described driving shaft (6) and from above-mentioned cutter frame mechanism (4), wear and mistake, one end of this guide post (9) is connected on the described gear-box (3), and the other end is connected on the described bracing frame (10).

2. the on-the-spot slotter of taper inner according to claim 1, it is characterized in that: described driving mechanism comprises power screw mandrel (8) and the power screw rodb base that cooperates with this power screw mandrel, this power screw mandrel (8) is connected to described gearbox output shaft (5) upward and keeps rotating synchronously with described driving shaft (6), and this power screw rodb base is fixed on the described cutter frame mechanism (4).

3. the on-the-spot slotter of taper inner according to claim 1, it is characterized in that: described governor motion includes upper plate (2) and is fixed on lower shoe (1) on the base, cooperate for dovetail groove between described upper plate (2) and the lower shoe (1), and upper plate (2) is relatively lower shoe (1) work and axially perpendicular moving horizontally of driving shaft (6) under screw body drives, and described gear-box (3) moves up and down along vertical direction with cutter frame mechanism (4) relative upper plate (2) under screw body drives.

4. on-the-spot slotter of any one described taper inner in 3 according to claim 1, it is characterized in that: described driven gear comprises that first driven gear (12) and with straight-tooth and helical teeth only has second driven gear (13) of helical teeth, the straight-tooth end of described the first driven gear (12) is meshed with described driving gear (11), and the helical teeth end of described the first driven gear (12) is meshed with the helical teeth end of described the second driven gear (13).

5. on-the-spot slotter of any one described taper inner in 3 according to claim 1, it is characterized in that: described gear-box is provided with multi-stage gear and clutch in (3), and the effect of described gearbox output shaft (5) by multi-stage gear and clutch can obtain different rotating speeds and just reverse.