CN105171622A - V-type swing head mechanism and water-cutting machine tool - Google Patents
V-type swing head mechanism and water-cutting machine tool Download PDFInfo
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- CN105171622A CN105171622A CN201510654238.0A CN201510654238A CN105171622A CN 105171622 A CN105171622 A CN 105171622A CN 201510654238 A CN201510654238 A CN 201510654238A CN 105171622 A CN105171622 A CN 105171622A
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- reductor
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Abstract
The invention provides a V-type swing head mechanism. The machine tool at least has the following beneficial effects that firstly, lines penetrate through the axis of a shaft A and the axis of a shaft B, so that winding between the lines and cables is reduced to a great extent when a cutting head rotates, a foundation is laid for large-angle and multi-direction cutting, and large-angle conical surface cutting or curved surface cutting can be achieved; secondly, a swing head is provided with a few moving components, namely, the main moving components include a shaft A rotating base and a shaft B rotating base, so that the structure is simple, weight is low, and the processing precision and reliability are easily guaranteed; thirdly, a rotary shaft can rotate by an ultra-high angle, especially a specific feasible scheme is provided for rotary shafts to rotate by +/- 360 degrees, and different from the limiting method in the prior art, the specific scheme is one of innovations of the swing head mechanism.
Description
Technical field
The present invention relates to water cutting machine, particularly relate to a kind of V-type swinging head mechanism and the water-jet machine adopting this V-type swinging head mechanism.
Background technology
In water-jet machine field, the motion mode of cutting head can be preferably 5-axis movement mode or four axes motion mode, and first it achieve X-axis translation, Y-axis translation, Z axis translation, and secondly, it also utilizes swinging head mechanism to realize the further motion of cutting head itself.
The motion mode of existing swinging head mechanism can be decomposed into again the rotation of wraparound rotating shaft and the swing around beat axle, the combination of two kinds of motion modes, not only can correct cutting gradient, also can be used for the work pieces process that section is constant slope, and there is the function of machining cone, conical gear, at the uniform velocity surface of revolution, expanded the application of water cutter.
But the gyroaxis of existing swinging head and beat axle can only do low-angle rotation (gyroaxis ± 200 °, 90 °, beat axle) usually, thus limit the application of high pressure waterjet.This is mainly because the reason of following two aspects:
The first, owing to swinging head having high-pressure water pipe, entering the accessory structures such as sand flexible pipe, tracheae, cable, gyroaxis and beat axle may produce with these accessory structures when rotating interferes, is wound around;
The second, the angular range of the anglec of rotation of gyroaxis is limited by stopping means, and what adopt the stopping means in cutting off machine can only meet at most within two circles (namely 720 degree) in prior art is spacing.
Summary of the invention
The technical problem to be solved in the present invention is how for the multi-faceted cutting of wide-angle of swinging head provides possibility.
In order to solve this technical problem, the invention provides a kind of V-type swinging head mechanism, comprising A axle rotational structure, B axle rotational structure and circuit; Cutting head is rotated around B axle by described B axle rotational structure, and described B axle rotational structure is rotated around A axle by described A axle rotational structure,
The circuit that need be connected to described cutting head is connected to described cutting head through described A axle rotational structure and B axle rotational structure successively; The circuit that need be connected to described B axle rotational structure is connected to described B axle rotational structure through described A axle rotational structure, and:
Corresponding circuit passes along described A axle after accessing described A axle rotational structure, passes after accessing described B axle rotational structure along described B axle;
Also comprise A axle position limiting structure, described A axle position limiting structure comprises the first alignment pin, the second alignment pin, and around at least one keeper that A axle rotates, described first alignment pin and described B axle rotational structure are synchronized with the movement, rotate around described A axle, described second alignment pin is fixed relative to the position of described A axle rotational structure;
One is had around the rotating distance of described A axle between described first alignment pin and described keeper adjacent with it, one is had around the rotating distance of described A axle between two adjacent keepers, have one between described second alignment pin and described keeper adjacent with it around the rotating distance of described A axle, described B axle rotational structure and the first alignment pin are all described rotating distance sums around the maximum angle that described A axle rotates.
Optionally, the quantity of described keeper is three, is respectively the first keeper, the second keeper and the 3rd keeper.
Optionally, the opposing side of two of described first keeper is respectively equipped with the first cannelure and the second cannelure, the opposing side of two of described 3rd keeper is respectively equipped with the 3rd cannelure and the 4th cannelure, and the opposing side of two of described second keeper is respectively equipped with the first positioning body and the second positioning body;
Described first alignment pin inserts described first cannelure, and along described first cannelure, there is described first stroke, described first positioning body inserts described second cannelure, and have described second stroke along described second annular slot, described second positioning body inserts described 3rd cannelure, and having described third trip along described 3rd annular slot, described second alignment pin inserts described 4th cannelure, and has described fourth line journey along described 4th cannelure.
Optionally, the maximum angle that described B axle rotational structure and the first alignment pin rotate around described A axle is greater than 720 degree, thus make described B axle rotational structure be greater than around the spacing angular range of the anglec of rotation of described A axle ± 360 degree.
Optionally, the maximum angle that described B axle rotational structure and the first alignment pin rotate around described A axle is at least 1080 degree, thus makes described B axle rotational structure be limited at least ± 540 degree around the anglec of rotation of described A axle.
Optionally, described A axle and B axle intersect at a cut point position of described cutting head end all the time, and described cut point position is fixed relative to the position of described cutting head.
Optionally, described A axle and B axle coplanar, the angle of described A axle and B axle and described cutting head match relative to the position of described B axle rotational structure, thus make described A axle and B axle intersect at described cut point position all the time.
Optionally, the angle of described A axle and B axle is 50 degree.
Optionally, the angle that described B axle rotational structure rotates around described A axle is at least limited in ± 360 degree, and the angle that described cutting head rotates around described B axle is at least limited in ± and 90 degree.
Optionally, described A axle rotational structure comprises A axle rotating seat, A spindle motor, band wheels and A axle reductor, described A axle reductor is hollow reducer, described A spindle motor drives to the input of described A axle reductor by described band wheels, and then drive described A axle rotating seat to rotate around A axle by the output of described A axle reductor, described A axle rotating seat is connected with described B axle rotational structure, described circuit along A axle axially across described band wheels, A axle reductor and A axle rotating seat, described first alignment pin is fixedly connected with the output of described A axle reductor, described second alignment pin is relative fixing with the position of described A spindle motor.
Optionally, described band wheels comprise the first synchronous pulley and with described first synchronous pulley bel-drivenn second synchronous pulley, described first synchronous pulley is driven by described A spindle motor and rotates, described second synchronous pulley connects the input of described A axle reductor, described circuit along A axle axially across described second synchronous pulley.
Optionally, described A axle rotating seat the second connecting portion of comprising the first connecting portion and being fixedly connected with described first connecting portion;
Described first connecting portion is fixedly connected with the output of described A axle reductor, and described first connecting portion is provided with the first mesopore, and the axle center of described first mesopore is described A axle, and described circuit picks out described A axle rotational structure along A direction of principal axis through described first mesopore;
Described second connecting portion is provided with the second mesopore, and be rotatably connected with described B Axile connection structure by described second mesopore, the axle center of described second mesopore is B axle, and the respective lines in described B axle rotational structure picks out to described cutting head along B axle through described second mesopore.
Optionally, described B axle rotational structure comprises B axle rotating seat, B spindle motor and B axle reductor, described B axle reductor is offset hollow reducer, described B spindle motor drives to the input of described B axle reductor, and then drive described B axle rotating seat to rotate around B axle by the output of described B axle reductor, the outside of described B axle reductor is rotatably connected with described A axle rotational structure, this axis of rotation is B axle, described B axle rotating seat is connected with described cutting head, and corresponding described circuit picks out to described cutting head along B axle through described B axle reductor and B axle rotating seat.
Optionally, described B axle rotating seat comprises upper end connecting portion, lower end connecting portion and connects the pars intermedia of described upper end connecting portion and lower end connecting portion, described upper end connecting portion is fixedly connected with the output of described B axle reductor, and centre is provided with through hole, the axle center of described through hole is described B axle, and described lower end connecting portion is fixedly connected with described cutting head; Corresponding described circuit picks out to described cutting head along described B axle through described through hole.
Optionally, described V-type swinging head mechanism also comprises an A axle angle display device, and the maximum angle that described B axle rotational structure and the first alignment pin rotate around described A axle is greater than 360 degree;
Described A axle angle display device comprises moving tooth axle, sprocket wheel and scale axle, described scale axle and described sprocket wheel synchronous rotary, described moving tooth axle is provided with driving lever, described moving tooth axle and described B axle rotational structure synchronous rotary, when described driving lever and described sprocket wheel are in non-engagement state, described sprocket wheel and scale axle are relative to the invariant position of described A axle rotational structure; When described driving lever and described sprocket wheel are in engagement, the tooth spiral that described driving lever promotes described sprocket wheel turns a special angle, thus makes described scale axle rotate a special angle; Along with the rotation of described moving tooth axle, described engagement and non-engagement state alternately change;
Described sprocket wheel and described driving lever match, make described B axle rotational structure around described A axle complete maximum angle rotate time, the described scale axle anglec of rotation corresponding to sprocket wheel is not more than 360 degree.
Optionally, the quantity of the tooth of described sprocket wheel is 9, and the quantity of described driving lever is 2, and described driving lever is all perpendicular to the axis of rotation of described shift lever axis, and the angle of two described driving levers is 180 degree.
Optionally, described circuit comprises high pressure line, tracheae, enters sand flexible pipe, cable one of at least.
Present invention also offers a kind of water-jet machine, comprise three-axis platform and V-type swinging head mechanism provided by the invention, described V-type swinging head mechanism is realized along three axial translations by described three-axis platform.
The present invention at least has following beneficial effect:
1, by being passed in the axle center of circuit from A axle, B axle, when cutting head rotates, the winding problem of circuit and cable is greatly improved, and for the multi-faceted cutting of wide-angle provides basis, can meet conical surface cutting or the surface incising of wide-angle;
2, the moving component of swinging head is less, and namely main motion parts is A axle rotating seat and B axle rotating seat, and structure is comparatively simple, and just, therefore machining accuracy and reliability easily ensure lighter in weight;
3, the rotation of gyroaxis of the present invention can realize oversized angle, especially for being greater than ± gyroaxis of 360 degree rotates and provides attainable concrete scheme, and this concrete scheme is different from limit method of the prior art, is one of innovative point of the present invention;
Following 2 beneficial effects are also at least possessed in the further alternative scheme of the present invention:
1, the optional scheme of the present invention is by intersecting at cut point position by A axle and B axle, and center of rotation can be made to be positioned at cut point, makes swinging head still can freely swing when walking along cutting path and can not depart from cutting path;
2, the optional scheme of the present invention further contemplates when exceeding 360 degree around the rotation of A axle, its external observable position of rotation just has overlapping, such as 10 degree of positions and 370 degree of positions, its external observable position is the same, this just makes related personnel cannot determine the anglec of rotation of its reality, for this reason, the optional scheme of the present invention introduces angle display device, by the anglec of rotation Corresponding matching that will be greater than 360 degree in the rotary motion within another 360 degree, just display feedback can be carried out to the scope of the anglec of rotation or the anglec of rotation;
3, hollow reducer has been incorporated in A axle rotational structure by the optional scheme of the present invention, and offset hollow reducer be incorporated in B axle rotational structure, the axis being more conducive to circuit runs through simultaneously.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view that in one embodiment of the invention, V-type swings swinging head mechanism;
Fig. 2 is cable in one embodiment of the invention, tracheae and the cabling schematic diagram entering sand flexible pipe;
Fig. 3 is the schematic diagram of A axle rotating seat in one embodiment of the invention;
Fig. 4 is the schematic diagram of B axle rotating seat in one embodiment of the invention;
Fig. 5 is the schematic diagram of A axle position limiting structure in one embodiment of the invention;
Fig. 6 is the principle schematic of A axle angle display device in one embodiment of the invention;
Fig. 7 is the schematic diagram of A axle angle display device in one embodiment of the invention;
In figure, 1-A axle rotational structure; 11-A axle swivel joint; 12-high pressure line; 13-is with wheels; 131-first synchronous pulley; 132-second synchronous pulley; 14-A axle reductor; 141-reductor flange; 15-A spindle motor; 151-motor mount; 16-A axle rotating seat; 161-first connecting portion; 162-second connecting portion; 163-second mesopore; 164-first mesopore; 165-through wires hole; 17-waterproof cover; 18-A axle position limiting structure; 181-first alignment pin; 182-first keeper, 183-second keeper; 184-the 3rd keeper; 185-second alignment pin; 19-A axle angle display device; 191-sprocket wheel; 192-moving tooth axle; 193-driving lever; 194-scale axle;
2-B axle rotational structure; 21-B axle swivel joint; 22-high pressure line; 23-B spindle motor; 24-B axle reductor; 25-B axle rotating seat; 251-upper end connecting portion; 252-lower end connecting portion; 253-pars intermedia; 26-waterproof cover;
3-cutting head;
4-cable;
5-tracheae;
6-enters sand flexible pipe.
Detailed description of the invention
Below with reference to Fig. 1 to Fig. 5, V-type swinging head mechanism provided by the invention and water-jet machine are described in detail, it is optional embodiment of the present invention, can think, those skilled in the art, in the scope not changing the present invention's spirit and content, can modify to it and polish.
Please refer to Fig. 1, the invention provides a kind of V-type swinging head mechanism, comprise A axle rotational structure 1, B axle rotational structure 2 and circuit; Cutting head 3 is rotated around B axle by described B axle rotational structure 2, and described B axle rotational structure 2 is rotated around A axle by described A axle rotational structure 1, thus two kinds of rotary motions has been combined the change in angular position of cutting head 3;
The present invention one important improvement is: also comprise A axle position limiting structure 18, described A axle position limiting structure 18 comprises the first alignment pin 181, second alignment pin 185, and around at least one keeper that A axle rotates, described first alignment pin 181 is synchronized with the movement with described B axle rotational structure 2, rotate around described A axle, described second alignment pin 181 is fixed relative to the position of described A axle rotational structure 1;
One is had around the rotating distance of described A axle between described first alignment pin 181 and described keeper adjacent with it, one is had around the rotating distance of described A axle between two adjacent keepers, have one between described second alignment pin 185 and described keeper adjacent with it around the rotating distance of described A axle, described B axle rotational structure 2 and the first alignment pin 181 are all described rotating distance sums around the maximum angle that described A axle rotates.
Visible, the present invention is arbitrarily angled, be especially greater than ± gyroaxis of 360 degree rotates and provides attainable concrete scheme, and this concrete scheme is different from limit method of the prior art, is one of innovative point of the present invention.
The possibility of the further improvement about this is had to be:
Please refer to Fig. 5, the quantity of described keeper is three, is respectively the first keeper 182, second keeper 183 and the 3rd keeper 184.Wherein, the opposing side of two of described first keeper 182 is respectively equipped with the first cannelure and the second cannelure, the opposing side of two of described 3rd keeper 184 is respectively equipped with the 3rd cannelure and the 4th cannelure, and the opposing side of two of described second keeper 183 is respectively equipped with the first positioning body and the second positioning body;
Described first alignment pin 181 inserts described first cannelure, and along described first cannelure, there is described first stroke, described first positioning body inserts described second cannelure, and have described second stroke along described second annular slot, described second positioning body inserts described 3rd cannelure, and having described third trip along described 3rd annular slot, described second alignment pin 184 inserts described 4th cannelure, and has described fourth line journey along described 4th cannelure.
Under the support of above structure, the maximum angle that described B axle rotational structure and the first alignment pin rotate around described A axle is greater than 720 degree, thus make described B axle rotational structure be greater than around the spacing angular range of the anglec of rotation of described A axle ± 360 degree, in further example, the maximum angle that described B axle rotational structure 2 and the first alignment pin 181 rotate around described A axle is at least 1080 degree, thus makes described B axle rotational structure be limited at least ± 540 degree around the anglec of rotation of described A axle.
To above scheme more further specific design can be:
Three keepers can be three annulus (positive location ring, interfix ring, driven locating rings).From illustrated upper and lower relation, its lower surface of positive location ring is first cannelure (from 90 ° to 360 °) of 270 °, and upper surface is second cannelure (from-45 ° to 270 °) of 315 °.Interfix ring its respectively have the arc-shaped gear of a section 30 ° up and down, and position is relative, i.e. the first positioning body and the second positioning body.Seemingly, from one side, its lower surface is the 3rd cannelure (from-45 ° to 270 °) of 315 °, and upper surface is the 4th cannelure (from 90 ° to 360 °) of 270 ° for driven locating ring and positive location lopps.
First alignment pin 181 lower end is fixed on the decelerator flange 141 of harmonic speed reducer, and decelerator flange 141 is fixed with A axle rotating seat 16, and namely the first alignment pin 181 can rotate with A axle rotating seat.First alignment pin 181 upper end can be free to slide in the first cannelure of 270 ° of positive location ring lower surface, when the first alignment pin 181 moves to the first cannelure two ends, positive location ring can be driven to rotate, and is also the maximum zero load stroke having 270 ° of the first alignment pin 181.
Second cannelure of positive location ring upper surface engages with the arc-shaped gear of interfix ring lower surface, and its differential seat angle is 285 ° (315 °-30 °), and when therefore positive location ring rotates, the most senior general of itself and interfix ring has the zero load stroke of 285 °.And when the second cannelure end of positive location ring contacts with the lower surface arc-shaped gear of interfix ring (circumferencial direction), namely positive location ring drives interfix ring to circle.
The upper surface arc-shaped gear of interfix ring engages with the 3rd cannelure of driven locating ring lower surface, and its differential seat angle is 285 ° (315 °-30 °), and when therefore interfix ring rotates, the most senior general of itself and driven locating ring has the zero load stroke of 285 °.And when the arc-shaped gear of middle locating ring contacts with the 3rd cannelure of driven locating ring (circumferencial direction), namely interfix ring drives driven locating ring to circle.
Second alignment pin 185 upper end is fixed on motor mount 151, and namely the second alignment pin 185 will keep motionless all the time; Lower end is positioned at the 4th cannelure of driven locating ring upper surface, and therefore, driven locating ring has the zero load stroke of 270 ° relative to the most senior general of the second alignment pin 185; When the 4th cannelure forward or direction rotate to the second alignment pin 185 position, rotate and be namely stopped.
Therefore, in sum, added by all lost motions, the maximum anglec of rotation that A axle position limiting structure can ensure in this embodiment is: 270 °+285 °+285 °+270 °=1130 ° (± 565 °).
Position-limit mechanism is shown mounting and adjusting according to Fig. 5, the initial position of swinging head is placed in centre as above (565 °) place, swinging head A axle ± 540 ° spacing function can be realized.
Except describing above, also will be appreciated that, the structure of the cannelure on keeper and positioning body, size are adjusted, just can realize the rotation of greater angle, if changed in conjunction with the quantity of keeper, that can be thought, the present invention can realize at any angle, and angle is spacing whether great or small.So no matter its concrete spacing angle why, and have employed this thinking of the present invention and do basis, is exactly one of optional scheme of the present invention.
Also it is to be noted, in specific embodiment above, the end face of keeper is all located at by cannelure by it, but in other possibilities, if cannelure is located at outside keeper, also be one of possibility, namely the second keeper is surrounded on outside the first keeper, 3rd keeper is surrounded on outside the second keeper, cannelure is located at inner face and outer face, it does not depart from the description of two opposing sides yet, is the equivalent of the above specific embodiment of the present invention, also should regard as the present invention conceive under a kind of embodiment.
In optional embodiment of the present invention, described A axle and B axle intersect at a cut point position of described cutting head 3 end all the time, and described cut point position is fixed relative to the position of described cutting head 3; It is to be understood that this cut point position is defined as the position near cutting head 3 end, and the position of cutting head 3 is fixed relatively, can refer to cutting head end, and also can be the specified point of distance cutting head end certain distance, this distance can be exemplified as 2 millimeters.Due to cutting head 3 and the object cut, the technique difference of employing; everything cutpoint position can be change, the present invention be not limited to specifically which point, as long as meet above definition; be exactly one of optional scheme of the present invention, drop in protection scope of the present invention.
More than design by A axle and B axle are intersected at cut point position, center of rotation can be made to be positioned at cut point, make swinging head still can freely swing when walking along cutting path and cutting path can not be departed from;
In addition, the present invention has also done following important improvement:
The circuit that need be connected to described cutting head 3 is connected to described cutting head 3 through described A axle rotational structure 1 and B axle rotational structure 2 successively; The circuit that need be connected to described B axle rotational structure 2 is connected to described B axle rotational structure 2 through described A axle rotational structure 1, and:
Corresponding circuit passes along described A axle after accessing described A axle rotational structure 1, passes after accessing described B axle rotational structure 2 along described B axle.
Visible, the present invention is by passing the axle center of circuit from A axle, B axle, when cutting head rotates, can not have the winding problem of circuit and cable, the multi-faceted cutting of wide-angle provides basis, by being passed in the axle center of circuit from A axle, B axle, when cutting head rotates, can not have the winding problem of circuit and cable, the multi-faceted cutting of wide-angle provides basis, can meet conical surface cutting or the surface incising of wide-angle.
The present invention is compared to gyroaxis ± 200 ° of the prior art, and beat axle ± 45 ° have had and significantly promote, the present invention give in this respect the thinking more started may, and not because the problem of wire being wound is confined to angle Selection of the prior art.
In addition, relevant circuit, it can be diversified, for example, in the embodiment of Fig. 1 and Fig. 2 signal, described circuit comprises high pressure line 12,22 etc., tracheae 5, enters sand flexible pipe 6, cable 4, in other optional embodiments of the present invention, also can be regarded as that described circuit comprises high pressure line, tracheae 5, enters sand flexible pipe 6, cable 4 one of at least.Wherein the object of different connection may be different, for example, need mentioned above are connected to the circuit of described cutting head 3, high pressure line, tracheae 5 can be referred to, enter sand flexible pipe 6, need mentioned above are connected to the circuit of described B axle rotational structure 2, naturally refer to and be only connected to B axle rotational structure 2 and without the need to accessing cutting head 3 again, such as cable 4, it can be the service cable of B spindle motor.In other words, for example, high pressure line, enter sand flexible pipe 6 and the tracheae 5 A axle reductor 14 from hollow after the swivel joint B axle, then from the B axle reductor 24 of hollow through rear respectively to the cylinder of cutting head and cutting head; The cable 4 of B spindle motor 23 passes rear to B spindle motor 23 from the A axle reductor 14 of hollow.Due to high pressure line, to enter sand flexible pipe 6, tracheae 5 and cable 4 be all pass from the pivot of A axle and B axle, and therefore this swinging head is when A axle and B axle rotate, and does not have the winding problem of cable and pipeline.
The present invention itemizes different circuits and concrete layout thereof, which kind of be intended to illustrate, no matter circuit, under the present invention's design, all arrange along A axle and B axle after access A axle rotational structure 1 and B axle rotational structure 2, but not why circuit is specifically confined to above description.
About how realizing A axle and B axle intersects at cut point position, the present invention one optional embodiment gives a feasible thinking: described A axle and B axle coplanar, the angle of described A axle and B axle and described cutting head 3 match relative to the position of described B axle rotational structure 2, thus make described A axle and B axle intersect at described cut point position all the time.In further distance, the angle of described A axle and B axle can be 50 degree.Visible, those skilled in the art, under above elaboration, are tested by limited number of time or reasonably calculate, can by configuring corresponding angle and matched position realizes A axle and B axle intersects at cut point position.So; the scope that the present invention asks can realize; simultaneously; the means reaching " A axle and B axle intersect at cut point position " are not limited to method described above; other any reasonable disposition by structure realize the means of this effect; can regard as is the equivalent integers that the present invention describes lower above embodiment description, according to relevant judicial explanation, all obviously should bring protection scope of the present invention into.
Please refer to Fig. 1, in the embodiment of its signal, described A axle rotational structure 1 comprises A axle rotating seat 16, A spindle motor 15, band wheels 13 and A axle reductor 14, described A axle reductor 14 is hollow reducer, described A spindle motor 15 drives to the input of described A axle reductor 14 by described band wheels 13, and then drive described A axle rotating seat 16 to rotate around A axle by the output of described A axle reductor 14, described A axle rotating seat 16 is connected with described B axle rotational structure 2, described circuit along A axle axially across described band wheels 13, A axle reductor 14 and A axle rotating seat 16, described first alignment pin 181 is fixedly connected with the output of described A axle reductor 14, described second alignment pin 185 is relative fixing with the position of described A spindle motor 15, specifically, first alignment pin 181 is fixedly connected with reductor flange 141 exactly, second alignment pin 185 and motor mount 151.
Further, relevant described band wheels 3, please refer to Fig. 1, described band wheels 13 comprise the first synchronous pulley 311 and with described first synchronous pulley 311 bel-drivenn second synchronous pulley 312, described first synchronous pulley 311 drives rotation by described A spindle motor 15, described second synchronous pulley 312 connects the input of described A axle reductor 14, described circuit along A axle axially across described second synchronous pulley 132.Also can know from figure, the axle center of the second synchronous pulley 132 is A axle.
Please further refer to Fig. 3, in the embodiment of its signal, the second connecting portion 162 that described A axle rotating seat 16 comprises the first connecting portion 161 and is fixedly connected with described first connecting portion 161;
Described first connecting portion 161 is fixedly connected with the output of described A axle reductor 14, described first connecting portion 161 is provided with the first mesopore 164, the axle center of described first mesopore 164 is described A axle, and described circuit picks out described A axle rotational structure 1 along A direction of principal axis through described first mesopore 164;
Described second connecting portion 162 is provided with the second mesopore 163, and be rotatably connected with described B Axile connection structure 2 by described second mesopore 163, specifically, can be rotatably connected with B axle reductor 24 wherein, be rotatably connected and mean that both rotate relatively around B axle, the latter can also be driven to realize around A axle synchronous rotary simultaneously, the axle center of described second mesopore 163 is B axle, respective lines in described B axle rotational structure 2 picks out to described cutting head 3 along B axle through described second mesopore 163, specifically, be through B axle reductor in the second mesopore 163 to pick out to described cutting head 3.
In the embodiment of Fig. 3 signal, second connecting portion 162 is also provided with through wires hole 165, please refer to Fig. 2, such as tracheae 5, gold sand flexible pipe 6, cable 4 pass described first connecting portion 161 to lower rear flank from the upside of A axle rotating seat 16, receive the upside of A axle rotating seat 16 again through through wires hole 165, then be connected to B axle rotational structure, certain high pressure line cannot flexibly be worn, so the string holes that can wear badly 165 is arranged.Described first connecting portion 161 and the second connecting portion 162 are integrated.
Relevant described B axle rotational structure 2, described B axle rotational structure 2 comprises B axle rotating seat 25, B spindle motor 23 and B axle reductor 24, described B axle reductor 24 is offset hollow reducer, described B spindle motor 23 drives to the input of described B axle reductor 24, and then drive described B axle rotating seat 25 to rotate around B axle by the output of described B axle reductor 24, the outside of described B axle reductor 24 is rotatably connected with described A axle rotational structure 1, specifically, it is rotatably connected with the second mesopore 163 of the second connecting portion 162 in A axle rotational structure 1, this axis of rotation is B axle, described B axle rotating seat 25 is connected with described cutting head 3, corresponding described circuit picks out to described cutting head along B axle through described B axle reductor and B axle rotating seat.Here corresponding described circuit refers to the circuit needing to be connected to cutting head 3 naturally, does not need the circuit connected away, and such as cable 4 nature is not included in this describes.
Further, please refer to Fig. 4, described B axle rotating seat 25 comprises upper end connecting portion 251, lower end connecting portion 252 and connects the pars intermedia 253 of described upper end connecting portion 251 and lower end connecting portion 252, described upper end connecting portion is fixedly connected with the output of described B axle reductor 24, and centre is provided with through hole (not shown), the axle center of described through hole is described B axle, and described lower end connecting portion 252 is fixedly connected with described cutting head 3; Corresponding described circuit picks out to described cutting head 3 along described B axle through described through hole, and specifically, circuit is each passed through described through hole and B axle reductor 24 picks out to cutting head 3.
In illustrated embodiment of the present invention, high pressure line includes the high pressure line 12 in A axle rotational structure and the high pressure line 22 in B axle rotational structure, be communicated with by other high pressure lines between two high pressure lines, high pressure line 12 is whole to be arranged along A axle, and initiating terminal is external by A axle swivel joint 11; Same high pressure line 22 is whole to be arranged along B axle, and initiating terminal is external by B axle swivel joint 21.
In addition, in illustrated embodiment of the present invention, in A axle rotating seat 16 and B axle rotating seat 25, there is waterproof cover 17 and 26, can effectively prevent the water in cutting process and sand from entering.
Specifically, please each accompanying drawing of comprehensive reference, in the illustrated embodiment in which, first synchronous pulley 131 is fixed on A spindle motor 15, Timing Belt wheels are formed by Timing Belt and the second synchronous pulley 132, second synchronous pulley 132 is fixed on A axle reductor 14 input, and output then connects with A axle rotating seat 16; B axle reductor 24 input of offset connects with B spindle motor 23, exports termination B axle rotating seat 25, B axle rotational structure 2 entirety and is arranged on A axle rotating seat 16 by B axle reductor 24; B axle rotating seat 25 is fastening type structure, for fixing cutting head 3; Termination swivel joint 11 on high pressure line 12 in A axle, through after A shaft hollow reductor 14 to B axle swivel joint 21, then through through high pressure line 22 to the cutting head 3 of the hollow reductor of B axle offset; The cable of A spindle motor 15 can directly be accessed by outside, and the cable of B spindle motor 23, first after the access of outside, first through the A axle reductor 14 of hollow, then passes through the through wires hole 165 of A axle rotating seat 16, is connected to B spindle motor 23 finally by the hole in B spindle motor cover; Enter sand flexible pipe 6, after tracheae 5 penetrates hollow A axle reductor 14 from outside, successively through the through wires hole 165 of A axle rotating seat 16, the hole of motor cover, through the B axle reductor 24 of hollow, on the sandpipe installing hole finally receiving cutting head 3 respectively and pore plug.
During swinging head motion, A axle rotational structure 1 makes circumference at least ± 360 degree around A axle pivot, such as ± 540 ° of rotary motions, A axle rotating seat 16 drives B axle rotational structure 2 and cutting head 3 to do corresponding rotation, high pressure line 12, cable 4, enter sand flexible pipe 6 and tracheae 5 also rotates thereupon, but keep relative constant with A shaft position; B axle does such as ± 90 ° of swing around B axle pivot, B axle high pressure line 22, enters sand flexible pipe 6 and tracheae 5 still keeps relative motionless with A axle rotating seat, only has into sand flexible pipe and the less change of air tubing length generation, reserves certain length; In motion process, the intersection point of two pivots keeps constant all the time.
More than describe and also can find out: hollow reducer has been incorporated in A axle rotational structure 1 by the optional scheme of the present invention, and offset hollow reducer be incorporated in B axle rotational structure 2, the axis being more conducive to circuit runs through simultaneously.
In the present invention one preferred embodiment, please refer to Fig. 6 and Fig. 7, V-type swinging head mechanism also comprises an A axle angle display device 19, and the maximum angle that described B axle rotational structure 2 and the first alignment pin 181 rotate around described A axle is greater than 360 degree;
Described A axle angle display device comprises moving tooth axle 192, sprocket wheel 191 and scale axle 194, described scale axle 194 and described sprocket wheel 191 synchronous rotary, described moving tooth axle 192 is provided with driving lever 193, described moving tooth axle 192 and described B axle rotational structure 2 synchronous rotary, when described driving lever 193 is in non-engagement state with described sprocket wheel 191, described sprocket wheel 191 and scale axle are relative to the invariant position of described A axle rotational structure 1, specifically, should think that the fixed part relative positions such as itself and motor are constant, and not comprise A axle rotating seat 16; When described driving lever 193 is in engagement with described sprocket wheel 191, the tooth spiral that described driving lever 193 promotes described sprocket wheel 191 turns a special angle, thus makes described scale axle 194 rotate a special angle; Along with the rotation of described moving tooth axle, described engagement and non-engagement state alternately change;
Described sprocket wheel 191 matches with described driving lever 193, this coupling comprises size, shape, quantity, distribution situation etc., the function of the engagement that its demand fulfillment is mentioned above and the conversion of engagement and non-engagement state, also to meet: make described B axle rotational structure around described A axle complete maximum angle rotate time, the described scale axle anglec of rotation corresponding to sprocket wheel is not more than 360 degree.In the embodiment of Fig. 6 signal, the quantity of the tooth of described sprocket wheel is 9, sprocket wheel is wherein nonstandard tooth, when it can ensure engagement one time, he stirs an angle, when again engaging, just that a tooth adjacent with him engages, the quantity of described driving lever is 2, and described driving lever 193 is all perpendicular to the axis of rotation of described shift lever axis, and the angle of two described driving levers 193 is 180 degree.
This embodiment further contemplates when exceeding 360 degree around the rotation of A axle, its external observable position of rotation just has overlapping, such as 10 degree of positions and 370 degree of positions, its external observable position is the same, this just makes related personnel cannot determine the anglec of rotation of its reality, for this reason, the optional scheme of the present invention introduces angle display device, by the anglec of rotation Corresponding matching that will be greater than 360 degree in the rotary motion within another 360 degree, just display feedback can be carried out to the scope of the anglec of rotation or the anglec of rotation.
A axle angle display device launches by following examples further:
Due to more (the positive and negative circle half of the rotatable number of turns of A axle; totally three circles); therefore; if shut down suddenly for some reason in cutting process; which position swinging head turns to probably to allow operator not know; therefore, A axle angle display device can allow operator know the position of swinging head quickly.
Moving tooth axle 192 is fixed on decelerator flange 141 circumferentially, and fore-and-aft direction respectively has one, and its moving tooth axle 192 engages with sprocket wheel 191.Revolution scale axle is then fixed on motor mount 151 by pivoting support seat, and revolution scale axle is then arranged on pivoting support seat by bearing, and its lower end is then fixedly connected with sprocket wheel 191.Sprocket wheel 191 is the nonstandard structure of 9 tooth.
Time initial position (0 °), moving tooth axle 192 and sprocket wheel 191 are in engagement.When A axle rotates, the driving lever 193 of moving tooth axle 192 can be stirred sprocket wheel 191 and drive it to turn an angle, and moving tooth axle 192 is separated completely with sprocket wheel 191 subsequently; When A axle turns to 180 °, the 2nd axostylus axostyle and sprocket engagement; Now, A axle have rotated 180 °, sprocket rotation 40 ° (sprocket wheel has 9 teeth, rotates 40 °, a tooth); The same, when A axle rotates 360 °, sprocket rotation 80 degree; When A axle rotates 540 ° be, sprocket rotation 120 °; In the other direction in like manner, when A axle rotates-540 °, sprocket rotation-120 °.Therefore, when A axle rotates ± 540 °, sprocket rotation ± 120 °.Because revolution scale axle and sprocket wheel 191 be direct connection, therefore, during A axle rotation ± 540 °, turn round scale axle also rotate ± 120 °.Therefore revolution scale axle can be turned to special value (0 °, ± 40 °, ± 80 °, ± 120 °) position engrave numeral (corresponding engrave 0 °, ± 180 °, ± 360 °, ± 540 °), like this, the roughly particular location of A axle just can be demonstrated on revolution scale axle.
Because only special value (such as 0 °, ± 40 °) time, what revolution scale axle just showed is the anglec of rotation (0 ° accurately, ± 180 °), therefore, when swinging head swings to a nonspecific numeric ratio as 90 °, what revolution scale axle showed should be between 0 ° to 180 °.Although be not very accurate, substantially can satisfy the demands, namely in conjunction with the physical location of swinging head, just can find out the roughly angle that swinging head rotates at a glance.
In sum, the present invention at least has following beneficial effect:
1, by being passed in the axle center of circuit from A axle, B axle, when cutting head rotates, the winding problem of circuit and cable is greatly improved, and for the multi-faceted cutting of wide-angle provides basis, can meet conical surface cutting or the surface incising of wide-angle;
2, the moving component of swinging head is less, and namely main motion parts is A axle rotating seat and B axle rotating seat, and structure is comparatively simple, and just, therefore machining accuracy and reliability easily ensure lighter in weight;
3, the rotation of gyroaxis of the present invention can realize oversized angle, especially for being greater than ± gyroaxis of 360 degree rotates and provides attainable concrete scheme, and this concrete scheme is different from limit method of the prior art, is one of innovative point of the present invention.
Claims (10)
1. a ZhongVXing swinging head mechanism, comprises A axle rotational structure, B axle rotational structure and circuit; Cutting head is rotated around B axle by described B axle rotational structure, and described B axle rotational structure is rotated around A axle by described A axle rotational structure, it is characterized in that:
The circuit that need be connected to described cutting head is connected to described cutting head through described A axle rotational structure and B axle rotational structure successively; The circuit that need be connected to described B axle rotational structure is connected to described B axle rotational structure through described A axle rotational structure, and:
Corresponding circuit passes along described A axle after accessing described A axle rotational structure, passes after accessing described B axle rotational structure along described B axle;
Also comprise A axle position limiting structure, described A axle position limiting structure comprises the first alignment pin, the second alignment pin, and around at least one keeper that A axle rotates, described first alignment pin and described B axle rotational structure are synchronized with the movement, rotate around described A axle, described second alignment pin is fixed relative to the position of described A axle rotational structure;
One is had around the rotating distance of described A axle between described first alignment pin and described keeper adjacent with it, one is had around the rotating distance of described A axle between two adjacent keepers, have one between described second alignment pin and described keeper adjacent with it around the rotating distance of described A axle, described B axle rotational structure and the first alignment pin are all described rotating distance sums around the maximum angle that described A axle rotates.
2. V-type swinging head mechanism as claimed in claim 1, it is characterized in that: the quantity of described keeper is three, be respectively the first keeper, the second keeper and the 3rd keeper, the opposing side of two of described first keeper is respectively equipped with the first cannelure and the second cannelure, the opposing side of two of described 3rd keeper is respectively equipped with the 3rd cannelure and the 4th cannelure, and the opposing side of two of described second keeper is respectively equipped with the first positioning body and the second positioning body;
Described first alignment pin inserts described first cannelure, and along described first cannelure, there is described first stroke, described first positioning body inserts described second cannelure, and have described second stroke along described second annular slot, described second positioning body inserts described 3rd cannelure, and having described third trip along described 3rd annular slot, described second alignment pin inserts described 4th cannelure, and has described fourth line journey along described 4th cannelure.
3. V-type swinging head mechanism as claimed in claim 2, it is characterized in that: the maximum angle that described B axle rotational structure and the first alignment pin rotate around described A axle is greater than 720 degree, thus make described B axle rotational structure be greater than around the spacing angular range of the anglec of rotation of described A axle ± 360 degree.
4. V-type swinging head mechanism as claimed in claim 1, is characterized in that: described A axle and B axle intersect at a cut point position of described cutting head end all the time, and described cut point position is fixed relative to the position of described cutting head.
5. V-type swinging head mechanism as claimed in claim 1, is characterized in that: the angle that described cutting head rotates around described B axle is at least limited in ± and 90 degree.
6. V-type swinging head mechanism as claimed in claim 1, it is characterized in that: described A axle rotational structure comprises A axle rotating seat, A spindle motor, band wheels and A axle reductor, described A axle reductor is hollow reducer, described A spindle motor drives to the input of described A axle reductor by described band wheels, and then drive described A axle rotating seat to rotate around A axle by the output of described A axle reductor, described A axle rotating seat is connected with described B axle rotational structure, described circuit along A axle axially across described band wheels, A axle reductor and A axle rotating seat, described first alignment pin is fixedly connected with the output of described A axle reductor, described second alignment pin is relative with the position of described A spindle motor fix described band wheels comprise the first synchronous pulley and with described first synchronous pulley bel-drivenn second synchronous pulley, described first synchronous pulley is driven by described A spindle motor and rotates, described second synchronous pulley connects the input of described A axle reductor, described circuit along A axle axially across described second synchronous pulley, the second connecting portion that described A axle rotating seat comprises the first connecting portion and is fixedly connected with described first connecting portion,
Described first connecting portion is fixedly connected with the output of described A axle reductor, and described first connecting portion is provided with the first mesopore, and the axle center of described first mesopore is described A axle, and described circuit picks out described A axle rotational structure along A direction of principal axis through described first mesopore;
Described second connecting portion is provided with the second mesopore, and be rotatably connected with described B Axile connection structure by described second mesopore, the axle center of described second mesopore is B axle, and the respective lines in described B axle rotational structure picks out to described cutting head along B axle through described second mesopore.
7. V-type swinging head mechanism as claimed in claim 1, it is characterized in that: described B axle rotational structure comprises B axle rotating seat, B spindle motor and B axle reductor, described B axle reductor is offset hollow reducer, described B spindle motor drives to the input of described B axle reductor, and then drive described B axle rotating seat to rotate around B axle by the output of described B axle reductor, the outside of described B axle reductor is rotatably connected with described A axle rotational structure, this axis of rotation is B axle, described B axle rotating seat is connected with described cutting head, described circuit picks out to described cutting head along B axle through described B axle reductor and B axle rotating seat,
Described B axle rotating seat comprises upper end connecting portion, lower end connecting portion and connects the pars intermedia of described upper end connecting portion and lower end connecting portion, described upper end connecting portion is fixedly connected with the output of described B axle reductor, and centre is provided with through hole, the axle center of described through hole is described B axle, and described lower end connecting portion is fixedly connected with described cutting head; Corresponding described circuit picks out to described cutting head along described B axle through described through hole.
8. V-type swinging head mechanism as claimed in claim 1, it is characterized in that: also comprise an A axle angle display device, the maximum angle that described B axle rotational structure and the first alignment pin rotate around described A axle is greater than 360 degree;
Described A axle angle display device comprises moving tooth axle, sprocket wheel and scale axle, described scale axle and described sprocket wheel synchronous rotary, described moving tooth axle is provided with driving lever, described moving tooth axle and described B axle rotational structure synchronous rotary, when described driving lever and described sprocket wheel are in non-engagement state, described sprocket wheel and scale axle are relative to the invariant position of described A axle rotational structure; When described driving lever and described sprocket wheel are in engagement, the tooth spiral that described driving lever promotes described sprocket wheel turns a special angle, thus makes described scale axle rotate a special angle; Along with the rotation of described moving tooth axle, described engagement and non-engagement state alternately change;
Described sprocket wheel and described driving lever match, make described B axle rotational structure around described A axle complete maximum angle rotate time, the described scale axle anglec of rotation corresponding to sprocket wheel is not more than 360 degree.
9. V-type swinging head mechanism as claimed in claim 8, it is characterized in that: the quantity of the tooth of described sprocket wheel is 9, the quantity of described driving lever is 2, and described driving lever is all perpendicular to the axis of rotation of described shift lever axis, and the angle of two described driving levers is 180 degree.
10. a water-jet machine, is characterized in that: comprise three-axis platform and one of as any in claim 1 to 9 as described in V-type swinging head mechanism, described V-type swinging head mechanism is realized along three axial translations by described three-axis platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510654238.0A CN105171622B (en) | 2015-08-05 | 2015-10-10 | V-type swinging head mechanism and water-jet machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2015205801059 | 2015-08-05 | ||
| CN2015104720773 | 2015-08-05 | ||
| CN201520580105 | 2015-08-05 | ||
| CN201510472077 | 2015-08-05 | ||
| CN201510654238.0A CN105171622B (en) | 2015-08-05 | 2015-10-10 | V-type swinging head mechanism and water-jet machine |
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| Publication Number | Publication Date |
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| CN105171622A true CN105171622A (en) | 2015-12-23 |
| CN105171622B CN105171622B (en) | 2017-07-04 |
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| CN201520784753.6U Expired - Fee Related CN205085840U (en) | 2015-08-05 | 2015-10-10 | First mechanism of V type swing and water cutting off machine |
| CN201510654238.0A Active CN105171622B (en) | 2015-08-05 | 2015-10-10 | V-type swinging head mechanism and water-jet machine |
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| CN201520784753.6U Expired - Fee Related CN205085840U (en) | 2015-08-05 | 2015-10-10 | First mechanism of V type swing and water cutting off machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382376A (en) * | 2015-12-24 | 2016-03-09 | 昆山乾坤机器制造有限公司 | 3D numerical control cutting rotary head and 3D numerical control cutting machine |
| CN106003248A (en) * | 2016-07-21 | 2016-10-12 | 杭州博砾得科技有限公司 | V-shaped swinging head mechanism of water jet cutting machine tool |
| CN107830826A (en) * | 2017-08-03 | 2018-03-23 | 上海狮迈科技有限公司 | Two axles swing the error detection method of head system and two axle swinging heads |
| CN107866865A (en) * | 2017-11-22 | 2018-04-03 | 镇江高等职业技术学校 | Water knife multi-angle regulation device |
| CN108655503A (en) * | 2018-05-05 | 2018-10-16 | 安徽傲宇数控科技有限公司 | A kind of five axis water cutting head devices |
| CN110900469A (en) * | 2019-12-31 | 2020-03-24 | 佛山市永盛达机械有限公司 | Sand valve for water jet cutting machine |
| CN111015520A (en) * | 2019-12-31 | 2020-04-17 | 佛山市永盛达机械有限公司 | Five-degree-of-freedom water jet cutting machine |
| CN114193331A (en) * | 2021-12-21 | 2022-03-18 | 佛山市永盛达机械有限公司 | Improved structure of high-pressure water supply mechanism of water jet cutting machine |
| CN107866865B (en) * | 2017-11-22 | 2024-05-14 | 镇江高等职业技术学校 | Multi-angle adjusting device for water jet knife |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205085840U (en) * | 2015-08-05 | 2016-03-16 | 上海狮迈科技有限公司 | First mechanism of V type swing and water cutting off machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382376A (en) * | 2015-12-24 | 2016-03-09 | 昆山乾坤机器制造有限公司 | 3D numerical control cutting rotary head and 3D numerical control cutting machine |
| CN106003248A (en) * | 2016-07-21 | 2016-10-12 | 杭州博砾得科技有限公司 | V-shaped swinging head mechanism of water jet cutting machine tool |
| CN107830826A (en) * | 2017-08-03 | 2018-03-23 | 上海狮迈科技有限公司 | Two axles swing the error detection method of head system and two axle swinging heads |
| CN107866865A (en) * | 2017-11-22 | 2018-04-03 | 镇江高等职业技术学校 | Water knife multi-angle regulation device |
| CN107866865B (en) * | 2017-11-22 | 2024-05-14 | 镇江高等职业技术学校 | Multi-angle adjusting device for water jet knife |
| CN108655503A (en) * | 2018-05-05 | 2018-10-16 | 安徽傲宇数控科技有限公司 | A kind of five axis water cutting head devices |
| CN110900469A (en) * | 2019-12-31 | 2020-03-24 | 佛山市永盛达机械有限公司 | Sand valve for water jet cutting machine |
| CN111015520A (en) * | 2019-12-31 | 2020-04-17 | 佛山市永盛达机械有限公司 | Five-degree-of-freedom water jet cutting machine |
| CN114193331A (en) * | 2021-12-21 | 2022-03-18 | 佛山市永盛达机械有限公司 | Improved structure of high-pressure water supply mechanism of water jet cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205085840U (en) | 2016-03-16 |
| CN105171622B (en) | 2017-07-04 |
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