CN102357924B - Water cutting head attitude control mechanism using cut-in point as center - Google Patents
Water cutting head attitude control mechanism using cut-in point as center Download PDFInfo
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- CN102357924B CN102357924B CN 201110207707 CN201110207707A CN102357924B CN 102357924 B CN102357924 B CN 102357924B CN 201110207707 CN201110207707 CN 201110207707 CN 201110207707 A CN201110207707 A CN 201110207707A CN 102357924 B CN102357924 B CN 102357924B
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Abstract
The invention discloses a water cutting head attitude control mechanism using a cut-in point as the center. The mechanism comprises a hollow main shaft (7) and an oblique shaft (27). The mechanism is characterized in that: the hollow main shaft (7) is arranged in a shaft sleeve (4) through a bearing, a driven gear (11) is arranged on the hollow main shaft (7), and the driven gear (11) is engaged with a driving gear (17); and the oblique shaft (27) is arranged on a bracket (10), the bracket (10) is connected with the hollow main shaft (7) and rotates synchronously with the hollow main shaft (7), the oblique shaft (27) is also arranged on the bracket (10), the oblique shaft (27) is connected with a clamping plate (21), a water cutting head (25) is arranged on the clamping plate (21), and the cutting point of the water cutting head (25) is positioned on the cross point of the axes of the hollow main shaft (7) and the oblique shaft (27). The mechanism has the advantages of high precision, self-locking function, small volume and low cost.
Description
Technical field
The present invention relates to a kind of water cutting equipment, the control cutting head revolution in especially a kind of water cutting equipment of five axles control and the transmission device of beat, specifically a kind of water cutting head attitude coutrol mechanism centered by point of penetration.
Background technology
As everyone knows, water knife device is when cutting, 1) sometimes needs to obtain desirable perpendicular cuts face, 2) sometimes for the ease of being welded to connect of sheet metal, must carry out groove processing, 3 to section) the cutting cone, 4) cutting conical gear or cam, 5) cutting waits the surface of revolution of corner, and will reach this five purposes, must carry out beat to water jet blade.Method commonly used has manual adjustment and adjusts two kinds of modes by deflection mechanism at present; manually adjustment can only be suitable for the linear cut surface; and the difficulty of adjusting is larger; efficient is low; manipulation strength is large; must shutdown just can carry out; therefore; at present the most widely used is the motor-driven deflection mechanism that utilizes the 5-shaft linkage numerical control technology; five-axle linkage is the front and back of cutter head; about; up and down; revolution; the motion of five directions of beat; when Processing Curve; also must carry out the 5th interlock of normal plane (namely turns round and compensates; people have designed various true five axles and accurate five-axle linkage mechanism for this reason; be that 2007100246868 Chinese patent discloses take the offset tool mechanism of point of penetration as the beat center such as application number; the problem that the five-axle linkage mechanism of this structure exists is that the circular guideway precision is difficult to control; and the difficulty that in motion process, resets; repeatability is relatively poor; therefore machining accuracy is not high; and Chinese patent 200910183362.8 disclosed has the five-axis controlled motion control mechanism of water cutting head of revolution and beat function because turn round and during beat point of penetration change; exist programming software complicated; it utilizes synchronous belt to control the operation of gyroaxis and beat axle; not only volume is large; control accuracy is not high; and there is cable in when revolution; the winding problem of tracheae etc.; and because weight is very large, therefore very high for the rigidity requirement of lathe.In order to reduce the volume of revolution and deflection mechanism, people generally adopt core motor directly to drive revolution and deflection mechanism, system's moment is little, precision is low, the cutting error that forms is large, in practice, have a lot of problems, and the core motor manufacturing cost is high, can not realizes self-locking in the running, need to set up band type brake apparatus, limit to a great extent applying of five-axle linkage water cutting equipment.
Summary of the invention
The objective of the invention is revolution and deflection mechanism complexity or the high problem of cost for the water cutting equipment of existing five axles control, design a kind of simple in structure, self-lock ability is arranged, and cost is low, control accuracy is high and control the easily water cutting head attitude coutrol mechanism centered by point of penetration.
Technical scheme of the present invention is:
A kind of water cutting head attitude coutrol mechanism centered by point of penetration, comprise hollow spindle 7 and inclined shaft 27, it is characterized in that described hollow spindle 7 is installed in the axle sleeve 4 by bearing, axle sleeve 4 is fixed on the carrier base 5, carrier base 5 links to each other with Z axis link plate 1, install or be processed with driven gear 11 on the hollow spindle 7, driven gear 11 is meshed with driving gear 17 in being installed in carrier base 5, and driving gear 17 is crossing with the axial line space projection of driven gear 11; Described inclined shaft 27 is installed on the support 10, described support 10 links to each other with hollow spindle 7 and rotates synchronously, inclined shaft 27 is connected with the driving mechanism that drives its rotation, the lower end of inclined shaft 27 is connected with can be with the clamping plate 21 of its rotation, on the described clamping plate 21 water cutting head 25 is installed, the cut point of described water cutting head 25 is positioned on the joining of hollow spindle 7 and inclined shaft 27 axial lines; One end of high-pressure water pipe 26 links to each other with the water under high pressure generator by swivel joint 23, the water inlet end of the second swivel joint 22 during the other end passes hollow spindle 7 and is installed in inclined shaft 27 links to each other, and the water side of the second swivel joint 22 links to each other with water cutting head 25 by high-pressure connecting pipe 28.
Described hollow spindle 7 is 45 degree with the angle of inclined shaft 27 axial lines.
Described driven gear 11 is worm gear or bevel gear, and correspondingly described driving gear 17 is worm screw or bevel gear, and described driving gear 17 directly or by gear is driven by motor; The axial space projection of described worm and gear is intersected, and the axis of described bevel gear pair also space projection intersects.
Described clamping plate 21 link to each other with inclined shaft 27 by pressure guide plate 20.
Beneficial effect of the present invention:
The present invention adopts the worm and gear with auto-lock function as revolution and nutation drive mechanism, and not only precision is high, and has auto-lock function, and worm screw can adopt common servo or stepper motor to drive, and not only volume is little, and cost is low.
The present invention has used the swivel joint of brand-new design to make water under high pressure directly can introduce in the cutting head at the beat support first, high-pressure water pipe can not be subject to movement interference, need not to twine the elasticity high-pressure water pipe at the beat head, not only reduce the weight of deflection mechanism, and reduced the pressure drop that water under high pressure causes because pipeline is long.
The present invention replaces core motor by the Integrated using hollow shaft, and use the transmission mechanism with auto-lock function, not only reduce the volume of revolution and deflection mechanism, and improved kinematic accuracy, be conducive to improve the control accuracy of water cutting equipment, reduce manufacturing cost.
The present invention can be used for the processing of various complex profiles, because point of penetration is constant when revolution and beat, therefore programming and control circuit are more simple, is easier to realize.
Description of drawings
Fig. 1 is the structural representation of revolution of the present invention and beat axle.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
1-Z axle link plate among the figure, 2-swivel joint support, the large adjustment lid of 3-, 4-bearing holder (housing, cover), 5-support, the 6-bearing, 7-hollow spindle, 8-sealing ring, 9-C axle location-plate, 10-support, the 11-worm gear, 12-fixing rack for sensor, the whole lid of 14-ditty, 15-bearing cap, 16-bearing, the 17-worm screw, 18-sealing ring, 19-shaft coupling, 20-pressure guide plate, the 21-clamping plate, 22-swivel joint, 23-swivel joint, 24-high pressure water switch valve, the 25-cutting head, 26-high-pressure water pipe, 27-inclined shaft, 28-high-pressure connecting pipe.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As Figure 1-3.
A kind of water cutting head attitude coutrol mechanism centered by point of penetration, comprise preferably hollow inclined shaft of hollow spindle 7 and inclined shaft 27() and drive the X that the cutting head work moves horizontally, the Z axis that Y-axis and drive cutting head move up and down, X wherein, Y, controlling organization and the prior art of three directions of Z are identical, key of the present invention is the driving control structure of hollow spindle 7 and inclined shaft 27, described hollow spindle 7 is 45 degree with the angle of inclined shaft 27 axial lines, both angles also can be selected between the 20-80 degree as required during implementation, but take 45 degree as best, angle is that 45 various mathematical relationships when spending and space geometry relation are the simplest.Described hollow spindle 7 is installed in the axle sleeve 4 by bearing, axle sleeve 4 is fixed on the carrier base 5, carrier base 5 links to each other with Z axis link plate 1, install or be processed with driven gear 11 on the hollow spindle 7, driven gear 11 is meshed with driving gear 17 in being installed in carrier base 5, driving gear 17 intersects (quadrature or nonopiate with the axial line space projection of driven gear 11, be orthohormbic structure among Fig. 1), during implementation, driven gear 11 can be worm gear or bevel gear, correspondingly described driving gear 17 should be worm screw or bevel gear, and the below is illustrated as an example of worm and gear example, and described driving gear 17 directly or by gear is driven by motor; The axial space of described worm and gear intersects (can be quadrature or nonopiate), and can realize the self-locking of moving, and driving error is little, as shown in Figure 1.Described inclined shaft 27 links to each other with hollow spindle 8 by support 10 and rotates synchronously, inclined shaft 27 is connected with clamping plate 21, on the described clamping plate 21 water cutting head 25 is installed, during implementation, described clamping plate 21 also can be by pressure guide plate 20 link to each other with inclined shaft 27 (such as Fig. 1, shown in 2).The cut point of described water cutting head 25 is positioned on the joining of hollow spindle 7 and inclined shaft 27 axial lines; One end of high-pressure water pipe 26 links to each other with the water under high pressure generator by swivel joint 23, swivel joint 23 is installed on the Z axis link plate by swivel joint support 2, the swivel joint 23 of revolution usefulness can adopt existing swivel joint, also can adopt the applicant to be realized at the relevant swivel joint of first to file, the water inlet end of the second swivel joint 22 during the other end of high-pressure water pipe 26 passes hollow spindle 7 and is installed in inclined shaft 27 links to each other, and the water side of the second swivel joint 22 links to each other with water cutting head 25 by high-pressure connecting pipe 28.As shown in Figure 1.
Operation principle of the present invention is:
If need revolution, then the control system drive motors rotates, and driven by motor revolution worm screw 17 is rotated, and the revolution worm screw drives worm gear 11 and rotates, and worm gear 11 drives hollow spindle 7 and rotates required angle to realize the cutting of curve or curved surface.When needs carry out beat, driving mechanism (can adopt existing similar driving mechanism or realized with hollow spindle 7 similar driving mechanisms) drive inclined shaft 27 turns to the angle of setting, make cutting head generation beat, realize inclined-plane or curvilinear cut, when five-axle linkage, can process the complex profile of similar blade and so on.As seen from Figure 1, no matter how revolution and deflection mechanism move, the invariant position of its point of penetration, and whole beginning of the angle of hollow spindle and inclined shaft is 45 degree.Owing to having adopted tilting swivel joint 22, high-pressure water pipe is passed rear directly entering in tilting the second swivel joint 22 from hollow spindle, draw from pressure guide plate 20 again, water under high pressure can be introduced in the cutting head with the high-pressure water pipe suitable with clamping plate 21 length, because the size of hollow spindle is larger, therefore controls the power line of usefulness and send the auxiliary piping such as sandpipe and circuit all can directly enter into corresponding position by hollow spindle.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (4)
1. water cutting head attitude coutrol mechanism centered by point of penetration, comprise hollow spindle (7) and inclined shaft (27), it is characterized in that described hollow spindle (7) is installed in the axle sleeve (4) by bearing, axle sleeve (4) is fixed on the carrier base (5), carrier base (5) links to each other with Z axis link plate (1), driven gear (11) is installed or is processed with on the hollow spindle (7), driven gear (11) is meshed with driving gear (17) in being installed in carrier base (5), and driving gear (17) intersects with the axial line space projection of driven gear (11); Described inclined shaft (27) is installed on the support (10), described support (10) links to each other with hollow spindle (7) and rotates synchronously, inclined shaft (27) is connected with the driving mechanism that drives its rotation, the lower end of inclined shaft (27) is connected with can be with the clamping plate (21) of its rotation, water cutting head (25) is installed on the described clamping plate (21), and the cut point of described water cutting head (25) is positioned on the joining of hollow spindle (7) and inclined shaft (27) axial line; One end of high-pressure water pipe (26) links to each other with the water under high pressure generator by swivel joint (23), the water inlet end of the second swivel joint (22) during the other end passes hollow spindle (7) and is installed in inclined shaft (27) links to each other, and the water side of the second swivel joint (22) links to each other with water cutting head (25) by high-pressure connecting pipe (28).
2. the water cutting head attitude coutrol mechanism centered by point of penetration according to claim 1 is characterized in that described hollow spindle (7) and the angle of inclined shaft (27) axial line are 45 degree.
3. the water cutting head attitude coutrol mechanism centered by point of penetration according to claim 1, when it is characterized in that described driven gear (11) for worm gear, correspondingly described driving gear (17) is worm screw, and described driving gear (17) directly or by gear is driven by motor; The axial space projection of described worm and gear is intersected; When described driven gear (11) was bevel gear, correspondingly described driving gear (17) also was bevel gear, and described driving gear (17) directly or by gear is driven by motor, and the axial space projection of described bevel gear pair is intersected.
4. the water cutting head attitude coutrol mechanism centered by point of penetration according to claim 1 is characterized in that described clamping plate (21) link to each other with inclined shaft (27) by pressure guide plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110207707 CN102357924B (en) | 2011-07-25 | 2011-07-25 | Water cutting head attitude control mechanism using cut-in point as center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110207707 CN102357924B (en) | 2011-07-25 | 2011-07-25 | Water cutting head attitude control mechanism using cut-in point as center |
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| CN102357924A CN102357924A (en) | 2012-02-22 |
| CN102357924B true CN102357924B (en) | 2013-04-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934907B (en) * | 2014-05-09 | 2016-03-30 | 广州华臻机械设备有限公司 | A kind of stone mosaic exempts from polishing Dynamic Water cutter |
| CN105291194B (en) * | 2015-12-07 | 2017-08-29 | 上海维宏电子科技股份有限公司 | Five spindle noses and Water Cutting process equipment with precision adjusting device |
| CN106166752A (en) * | 2016-08-24 | 2016-11-30 | 沈阳莱茵机器人有限公司 | The rotary shaft of six axle deburring robots |
| CN106735581B (en) * | 2016-12-09 | 2018-09-28 | 上海维宏电子科技股份有限公司 | The method and system of five axis Water Cutting error compensations of AC |
| CN110674564B (en) * | 2019-04-09 | 2024-02-02 | 哈尔滨理工大学 | Main shaft attitude calculation method based on Labview |
| CN113894873B (en) * | 2021-10-21 | 2022-11-25 | 南京航空航天大学 | High-pressure water jet cutting machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469221A1 (en) * | 1990-07-31 | 1992-02-05 | Peter Hediger | Device for dissecting a workpiece |
| CN201175938Y (en) * | 2008-04-24 | 2009-01-07 | 沈阳奥拓福高压水射流技术有限公司 | Follow-up device of cutting head of water cutting jet |
| CN201664946U (en) * | 2010-01-30 | 2010-12-08 | 方进坤 | Dynamic bevel cutting tool bit of numerical control high-pressure water cutting machine |
-
2011
- 2011-07-25 CN CN 201110207707 patent/CN102357924B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469221A1 (en) * | 1990-07-31 | 1992-02-05 | Peter Hediger | Device for dissecting a workpiece |
| CN201175938Y (en) * | 2008-04-24 | 2009-01-07 | 沈阳奥拓福高压水射流技术有限公司 | Follow-up device of cutting head of water cutting jet |
| CN201664946U (en) * | 2010-01-30 | 2010-12-08 | 方进坤 | Dynamic bevel cutting tool bit of numerical control high-pressure water cutting machine |
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| CN102357924A (en) | 2012-02-22 |
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