CN203534552U - High stability long cantilever type coordinate measuring machine - Google Patents
High stability long cantilever type coordinate measuring machine Download PDFInfo
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- CN203534552U CN203534552U CN201320725596.2U CN201320725596U CN203534552U CN 203534552 U CN203534552 U CN 203534552U CN 201320725596 U CN201320725596 U CN 201320725596U CN 203534552 U CN203534552 U CN 203534552U
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- direction slide
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Abstract
A high stability long cantilever type coordinate measuring machine comprises a Y-axis guide rail and a transmission device and a support assembly of the Y-axis guide rail, a Y-axis slide plate is fixed on the transmission device, a vertical column is installed on the Y-axis slide plate, a Z-axis slide plate sleeves the vertical column, the Z-axis slide plate is fixedly provided with a horizontal X-axis slide plate, the X-axis slide plate is formed by four long guide rail air bearing devices connected to be in a cuboid structure, an X-axis transmission device is installed at one end of an X-axis slide plate, the interior of the X-axis slide plate is provided with a horizontal cantilever beam, and via drive of the X-axis transmission device comprising clamping and guiding rollers, the cantilever beam is made to move along the X axis. The coordinate measuring machine is advantageous in that, with the purpose of improvement of motion stability, rigidity and linearity of the cantilever beam and the vertical column, innovation design of the transmission mechanism, the support mechanism, the cantilever structure, and the vertical column structure is determined, and measuring precision can be greatly improved to 7+5L/1000[mu]m. Currently, the coordinate measuring machine belongs to high precision long cantilever coordinate measuring machines in domestic and international markets, and the measuring precision index is at an advanced level.
Description
Technical field
The utility model relates to a kind of three coordinate measuring machine, is specifically related to a kind of long cantilever formula three coordinate measuring machine of high stable.
Background technology
Cantilevered three coordinate measuring machine has compact conformation, surveying work space is open, the advantage of low cost of manufacture is suitable for the heavy parts size such as sheet metal component, wind-power electricity generation of marine gas turbine, automobile passenger-cargo carriage and high-acruracy survey and the comparison of geometric configuration very much.Very early cantilever design measuring machine is studied both at home and abroad, but cantilever design can be subject to effect of weight and be out of shape, and deflection stretches out more long larger with cantilever, jiggly athletic meeting causes the shake of cantilevered distal end gauge head, and column is easily subject to because cantilever stretches out compared with high pulling torque and bending, can have a strong impact on measuring accuracy, so cantilever design is just used in manual measurement machine and requires, on pen machine that measuring accuracy is not high, limit its usable range.Cantilever measuring machine-especially long cantilever measuring machine was more and more paid attention to by market in recent years, though the existing cantilevered measuring machine in market has large work space, measuring accuracy is all lower.The domestic theory to cantilevered measuring machine is also studied, but total number is few, mostly concentrates on Study on Error Compensation aspect, and to structure innovation, stable drive Journal of Sex Research seldom.
Summary of the invention
The purpose of this utility model is to provide a kind of long cantilever formula three coordinate measuring machine of high stable, to overcome the deficiencies in the prior art.
The long cantilever formula three coordinate measuring machine of high stable, is characterized in that comprising Y-direction guide rail, Y-direction gearing and supporting component; Y-direction gearing is fixed on the guide groove inside of Y-direction guide rail, and Y-direction guide rail is fixed on supporting component, and supporting component comprises three main supports, three supplemental support; There is Y-direction slide plate to be fixed on the Y-direction gearing of Y-direction guide rail, and have column to be arranged on Y-direction slide plate, by the transmission of high stable flexible steel band, it is moved along Y-direction guide rail; Described column adopts marble material, is arranged with Z-direction slide plate on column, is fixed with the X-direction slide plate of level at Z-direction slide plate lateral surface, and described Z-direction slide plate and X-direction slide plate are long cube box structure; By polish rod transmission, X-direction slide plate and whole while of Z-direction slide plate are moved along Z-direction; Described X-direction slide plate is by the long guideway air bearing installation composition of four growth cube box structures that are connected to each other, and long guideway air bearing device connects with screw each other, and there is O-ring seal junction, prevents gas leakage; X-direction gearing is arranged on one end of X-direction slide plate by web joint, be provided with the semi-girder of level in whole long guideway formula air bearing device; Described semi-girder is arranged in X-direction slide plate, and is supported by X-direction slide plate, by including the X-direction actuator drives of clamping and guide roller, it is moved along X-direction.So just realized the spatial triaxial locomotive function of long cantilever measuring machine.Then by measuring machine control system and Survey Software control DC servo drive motor, making gauge head reach assigned address accurately measures.
Described X-direction gearing is high stable roller driving device, this device is connected with X-direction one-level belt wheel by X-direction one-level polywedge bet by X-direction servomotor spindle, X-direction one-level belt wheel is connected with X-direction secondary belt wheel by X-direction secondary polywedge bet, X-direction secondary belt wheel is connected with active roll, after active roll rolls, by rolling friction, semi-girder is moved, driven running roller also moves thereupon, respectively there is a bearing seat at active roll and driven running roller two ends, and bearing seat is fixed by screws on the web joint on both sides; Described driven running roller and active roll are from upper and lower sandwich semi-girder.
Described Y-direction gearing is high stable flexible steel band drive mechanism, comprise the reduction gear being fixed on framework, clamp device, characterized by further comprising front damping device and rear shock attenuation device shock attenuation device dimerous that structure is identical, above-mentioned shock attenuation device comprises and is fixed on the adapter at steel band two ends and the fixing vibration damper plate of the other end of adapter, and the other end of vibration damper plate is fixed on fixed head via screw, this fixed head is fixed on Y-direction guide rail, the active roller of above-mentioned clamp device and driven roller clamp steel band, driven roller is supported on Slave Block, Slave Block regulates the spacing of active roller and driven roller by pressure strip and nut, orienting lug is fixed on framework chassis and limits Slave Block, above-mentioned reduction gear has Y-direction secondary belt wheel to be connected with active roller, and Y-direction one-level belt wheel is connected with Y-direction secondary belt wheel by Y-direction secondary polywedge bet, and Y-direction servomotor spindle is connected with Y-direction one-level belt wheel by Y-direction one-level polywedge bet, clamp device is connected with reduction gear by active roller, and the platform of above-mentioned framework top is fixed on Y-direction slide plate to carry out Y-axis measurement.
Described Y-direction slide plate is fixed on the Y-direction gearing of Y-direction guide rail (being fixed on its framework), on Y-direction slide plate, column is installed, and auxiliary stand is also installed on Y-direction slide plate and is connected with column.
Described horizontal boom beam adopts the microdiecast pottery of inner circle foreign side, in semi-girder endoporus, increase by an axial correcting rod, nut is equipped with at correcting rod two ends, pass through adjusting nut, to semi-girder, apply axial pre tightening force, make beam produce distortion, the distortion causing with deadweight is contrary, thereby makes cantilever in its travel range, reach certain rectilinearity precision.
The employing of X-direction transmission novelty of the present utility model roller driving, roller driving can well combine with semi-girder, rolling by running roller directly and semi-girder carry out rolling friction transmission, and other kinds of drive such as Timing Belt also need additionally to increase a transmission, semi-girder is carried out to transmission, indirectly increased the impact that the kind of drive is brought accuracy of machines.
X-direction slide plate of the present utility model adopts whole long guideway formula air bearing device, long guideway air bearing is that surrounding is encircled structure, they connect with screw each other, and there is O-ring seal junction, prevent gas leakage, it is strong that this surrounding is encircled structural rigidity, good stability while advancing at a high speed, and air bearing requires flatness high, with same torsion, carry out need not regulating after screw assembling, save the working time, when semi-girder moves, long guideway air bearing can increase semi-girder and slide plate contact area, make semi-girder when moving along X-direction, can have quite a few to continue to contact with air bearing, improve the bending resistance torque of root, reduce its amount of deflection.Reduce offset error, reduced the distortion of X-direction slide plate, reduced semi-girder vibration, improved the bearing value to cantilever.And in semi-girder internal control, increase by a correcting rod, the nut of correcting two ends by adjustment, applies axial pre tightening force to semi-girder, makes semi-girder produce distortion, the distortion causing with deadweight is contrary, thereby makes semi-girder in its travel range, reach certain rectilinearity precision.Combination by clamping with guide roller device, can significantly reduce the vibrations of even eliminating semi-girder, improves semi-girder traveling comfort.
Y-direction guide rail of the present utility model and column all adopt marble material, marble, through long natrual ageing, does not almost have internal stress, good stability, Y-axis is the motion of the bottom, load is maximum, and whether its motion is steady, is related to complete machine robust motion, measuring accuracy to complete machine has the greatest impact, high stable flexible steel band gearing effectively reduces the vibration of gauge head, improves measuring machine kinetic stability, has improved measuring accuracy.
Y-direction slide plate adopts packaging type design, can strengthen being connected of Y-direction slide plate and guide rail, by auxiliary stand and its rigidity of column link enhancement, even the increase with the elongation of cantilever, the moment of flexure that column produces strengthens, and distortion error is exaggerated, but still can guarantee the linearity of column.
The utility model is from improving kinetic stability, semi-girder, column rigidity and linearity, determined gear train, supporting device, cantilever design and pillar construction have been carried out to innovative design, can significantly improve measuring accuracy and arrive 7+5L/1000 μm(L unit: mm), on market, all belong to high-precision long cantilever measuring machine at home and abroad at present, the measuring accuracy index level that is in a leading position.The utility model also has open work space, and the effective active length of cantilever is 1.5 meters, and work space is 6 meters of x3 rice x1.5 rice, belongs to large-scale long cantilever measuring machine, meets measurement and the comparison requirement of heavy parts completely, has filled up the market vacancy.
Accompanying drawing explanation
Fig. 1 general structure schematic diagram of the present utility model.
Fig. 2 the utility model Y-direction drive mechanism reduction gear and clamp device schematic diagram.
Clamp device schematic diagram when Fig. 3 the utility model Y-direction drive mechanism reduction gear and clamping steel band.
Fig. 4 Y-direction drive mechanism of the present utility model front damping device schematic diagram.
Fig. 5 the utility model X-direction Live roller apparatus structure schematic diagram.
Fig. 6 the utility model long guideway air bearing device and correcting rod device schematic diagram.
Wherein, 1, Y-direction guide rail; 2, Y-direction gearing; 3, supporting component; 4, framework; 5, reduction gear; 6, clamp device; 7, front damping device; 8, rear shock attenuation device; 9, steel band; 10, adapter; 11, vibration damper plate; 12, screw; 13, fixed head; 14, active roller; 15, driven roller; 16, Slave Block; 17, pressure strip; 18, nut; 19, orienting lug; 20, Y-direction secondary belt wheel; 21, Y-direction one-level belt wheel; 22, Y-direction secondary polywedge bet; 23, Y-direction servomotor; 24, Y-direction one-level polywedge bet; 25, Y-direction slide plate; 26, column; 27, auxiliary stand; 28, Z-direction slide plate; 29, X-direction slide plate; 30, X-direction gearing; 31, semi-girder; 32, X-direction servomotor; 33, X-direction one-level polywedge bet; 34, X-direction one-level belt wheel; 35, X-direction secondary polywedge bet; 36, X-direction secondary belt wheel; 37, active roll; 38, driven running roller; 39, bearing seat; 40, web joint; 41, correcting rod; 42, nut; 43, long guideway air bearing device; 44, screw
Embodiment
As Fig. 1,5,6, the long cantilever formula three coordinate measuring machine of high stable, is characterized in that comprising Y-direction guide rail 1, Y-direction gearing 2 and supporting component 3; Y-direction gearing 2 is fixed on the guide groove inside of Y-direction guide rail 1, and Y-direction guide rail 1 is fixed on supporting component 3, and supporting component 3 comprises three main supports, three supplemental support; There is Y-direction slide plate 25 to be fixed on the Y-direction gearing 2 of Y-direction guide rail 1, and have column 26 to be arranged on Y-direction slide plate 25, by 9 transmissions of high stable flexible steel band, it is moved along Y-direction guide rail 1; Described column 26 adopts marble material, is arranged with Z-direction slide plate 28 on column 26, is fixed with the X-direction slide plate 29 of level at Z-direction slide plate 28 lateral surfaces, and described Z-direction slide plate 28 is long cube box structure with X-direction slide plate 29; By polish rod transmission, X-direction slide plate 29 and whole while of Z-direction slide plate 28 are moved along Z-direction; Described X-direction slide plate 29 is comprised of the long guideway air bearing device 43 of four growth cube box structures that are connected to each other, and long guideway air bearing device 43 connects with screw 44 each other, and there is O-ring seal junction, prevents gas leakage; Because X-direction slide plate 29 is to be assembled by four long guideway air bearing devices 43, therefore can be described as whole long guideway formula air bearing device; It is strong that this surrounding is encircled structural rigidity, good stability while advancing at a high speed, and air bearing requires flatness high, with same torsion, carry out need not regulating after screw assembling, save the working time, when semi-girder moves, long guideway air bearing can increase semi-girder and slide plate contact area, make semi-girder when moving along X-direction, can have quite a few to continue to contact with air bearing, improve the bending resistance torque of root, reduce its amount of deflection.Reduce offset error, reduced the distortion of X-direction slide plate, reduced semi-girder vibration, improved the bearing value to cantilever.X-direction gearing 30 is arranged on one end of X-direction slide plate 29 by web joint 40, be provided with the semi-girder 31 of level in whole long guideway formula air bearing device; Semi-girder 31 is arranged on X-direction slide plate 29, under the support of whole long guideway formula air bearing device 43, by including X-direction gearing 30 drivings of clamping and guide roller, it is moved along X-direction; So just realized the spatial triaxial locomotive function of long cantilever measuring machine.Then by measuring machine control system and Survey Software control DC servo drive motor, making gauge head reach assigned address accurately measures.
As Fig. 5, described X-direction gearing 30 is high stable roller driving device, this device is connected with X-direction one-level belt wheel 34 by X-direction one-level polywedge bet 33 by X-direction servomotor 32 main shafts, X-direction one-level belt wheel 34 is connected with X-direction secondary belt wheel 36 by X-direction secondary polywedge bet 35, X-direction secondary belt wheel 36 is connected with active roll 37, after active roll 37 rolls, by rolling friction, semi-girder 31 is moved, driven running roller 38 also moves thereupon, active roll 37 respectively has a bearing seat 39 with driven running roller 38 two ends, and bearing seat 39 is fixed by screws on the web joint 40 on both sides; Described driven running roller 38 and active roll 37 are from upper and lower sandwich semi-girder 31.
As Fig. 2, 3, 4, described Y-direction gearing 2 is high stable flexible steel band drive mechanism, comprise the reduction gear 5 being fixed on framework 4, clamp device 6, characterized by further comprising front damping device 7 and rear shock attenuation device 8 shock attenuation device dimerous that structure is identical, above-mentioned shock attenuation device 7 comprises and is fixed on the adapter 10 at steel band 9 two ends and the fixing vibration damper plate 11 of the other end of adapter 10, and the other end of vibration damper plate 11 is fixed on fixed head 13 via screw 12, this fixed head 13 is fixed on Y-direction guide rail 1, the active roll 14 of above-mentioned clamp device 6 and driven running roller 15 clamp steel band 9, driven running roller 15 is supported on Slave Block 16, Slave Block 16 regulates the spacing of active roll 14 and driven running roller 15 by pressure strip 17 and nut 18, orienting lug 19 is fixed on framework 4 chassis and limits Slave Block 16, above-mentioned reduction gear 5 has Y-direction secondary belt wheel 20 to be connected with active roll 14, and Y-direction one-level belt wheel 21 is connected with Y-direction secondary belt wheel 20 by Y-direction secondary polywedge bet 22, and Y-direction servomotor 23 main shafts are connected with Y-direction one-level belt wheel 21 by Y-direction one-level polywedge bet 24.Clamp device 6 is connected with reduction gear 5 by active roll 14, and the platform of above-mentioned framework 4 tops is fixed on Y-direction slide plate 25 to carry out Y-axis measurement.
As Fig. 1, described Y-direction slide plate 25 is fixed on the gearing of Y-direction guide rail 1, and column 26 is installed on Y-direction slide plate 25, auxiliary stand 27 is also installed on Y-direction slide plate and is connected with column 26.
Described horizontal boom beam 31 adopts the microdiecast pottery of inner circle foreign side, in semi-girder 31 endoporus, increase by an axial correcting rod 41, nut 42 is equipped with at correcting rod two ends, by adjusting nut 42, to semi-girder, apply axial pre tightening force, make beam produce distortion, the distortion causing with deadweight is contrary, thereby makes cantilever in its travel range, reach certain rectilinearity precision.
Claims (5)
1. the long cantilever formula three coordinate measuring machine of high stable, is characterized in that comprising Y-direction guide rail (1), Y-direction gearing (2) and supporting component (3); Y-direction gearing (2) is fixed on the guide groove inside of Y-direction guide rail (1), and it is upper that Y-direction guide rail (1) is fixed on supporting component (3), and supporting component (3) comprises three main supports, three supplemental support; Have Y-direction slide plate (25) to be fixed on the Y-direction gearing (2) of Y-direction guide rail (1), and there have column (26) to be arranged on Y-direction slide plate (25) to be upper, by high stable flexible steel band (9) transmission, make it mobile along Y-direction guide rail (1); Described column (26) adopts marble material, on column (26), be arranged with Z-direction slide plate (28), at Z-direction slide plate (28) lateral surface, be fixed with the X-direction slide plate (29) of level, described Z-direction slide plate (28) is long cube box structure with X-direction slide plate (29); (the 29 long guideway air bearing devices (43) by four growth cube box structures that are connected to each other form described X-direction slide plate, and long guideway air bearing device (43) uses screw (44) to connect each other, and junction has O-ring seal in case leak-stopping gas; X-direction gearing (30) is arranged on one end of X-direction slide plate (29) by web joint (40), be provided with the semi-girder (31) of level in X-direction slide plate (29); Described semi-girder (31) is arranged in X-direction slide plate (29), and is supported by X-direction slide plate (29), by including X-direction gearing (30) driving of clamping and guide roller, it is moved along X-direction.
2. the long cantilever formula three coordinate measuring machine of high stable as claimed in claim 1, it is characterized in that described X-direction gearing (30) is high stable roller driving device, this device is connected with X-direction one-level belt wheel (34) by X-direction one-level polywedge bet (33) by X-direction servomotor (32) main shaft, X-direction one-level belt wheel (34) is connected with X-direction secondary belt wheel (36) by X-direction secondary polywedge bet (35), X-direction secondary belt wheel (36) is connected with active roll (37), after active roll (37) rolls, by rolling friction, make semi-girder (31) mobile, driven running roller (38) also moves thereupon, active roll (37) respectively has a bearing seat (39) with driven running roller (38) two ends, bearing seat (39) is fixed by screws on the web joint (40) on both sides, described driven running roller (38) and active roll (37) are from upper and lower sandwich semi-girder (31).
3. the long cantilever formula three coordinate measuring machine of high stable as claimed in claim 1, it is characterized in that described Y-direction gearing (2) is high stable flexible steel band drive mechanism, comprise the reduction gear (5) being fixed on framework (4), clamp device (6), also comprise the front damping device that structure is identical (7) and rear shock attenuation device (8) shock attenuation device dimerous, above-mentioned shock attenuation device (7) comprises and is fixed on the adapter (10) at steel band (9) two ends and the fixing vibration damper plate (11) of the other end of adapter (10), and the other end of vibration damper plate (11) via screw, (12 are fixed on fixed head (13), this fixed head (13) is fixed on Y-direction guide rail (1), the active roller (14) of above-mentioned clamp device (6) and driven roller (15) clamp steel band (9), driven roller (15) is supported on Slave Block (16), Slave Block (16) regulates the spacing of active roller (14) and driven roller (15) by pressure strip (17) and nut (18), orienting lug (19) is fixed on framework (4) chassis and limits Slave Block (16), above-mentioned reduction gear (5) has Y-direction secondary belt wheel (20) to be connected with active roller (14), Y-direction one-level belt wheel (21) is connected with Y-direction secondary belt wheel (20) by Y-direction secondary polywedge bet (22), and Y-direction servomotor (23) main shaft is connected with Y-direction one-level belt wheel (21) by Y-direction one-level polywedge bet (24), clamp device (6) is connected with reduction gear (5) by active roll (14), and it is upper to carry out Y-axis measurement that the platform of above-mentioned framework (4) top is fixed on Y-direction slide plate (25).
4. the long cantilever formula three coordinate measuring machine of high stable as claimed in claim 1, it is characterized in that described Y-direction slide plate (25) is fixed on the gearing of Y-direction guide rail (1), column (26) is installed on Y-direction slide plate (25), auxiliary stand (27) is also installed on Y-direction slide plate and is connected with column (26).
5. the long cantilever formula three coordinate measuring machine of high stable as claimed in claim 1, it is characterized in that described horizontal boom beam (31) adopts the microdiecast pottery of inner circle foreign side, in semi-girder (31) endoporus, increase by an axial correcting rod (41), nut (42) is equipped with at correcting rod two ends, by adjusting nut (42), to semi-girder, apply axial pre tightening force, make beam produce distortion, the distortion causing with deadweight is contrary, thereby makes cantilever in its travel range, reach rectilinearity precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725596.2U CN203534552U (en) | 2013-11-16 | 2013-11-16 | High stability long cantilever type coordinate measuring machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320725596.2U CN203534552U (en) | 2013-11-16 | 2013-11-16 | High stability long cantilever type coordinate measuring machine |
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| CN203534552U true CN203534552U (en) | 2014-04-09 |
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| CN201320725596.2U Expired - Fee Related CN203534552U (en) | 2013-11-16 | 2013-11-16 | High stability long cantilever type coordinate measuring machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557820A (en) * | 2013-11-16 | 2014-02-05 | 青岛弗尔迪测控有限公司 | High-stability long cantilever type coordinate measuring machine |
| CN110455151A (en) * | 2016-03-23 | 2019-11-15 | 赫克斯冈技术中心 | Coordinate measuring machine with improved V belt translation device |
-
2013
- 2013-11-16 CN CN201320725596.2U patent/CN203534552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557820A (en) * | 2013-11-16 | 2014-02-05 | 青岛弗尔迪测控有限公司 | High-stability long cantilever type coordinate measuring machine |
| CN110455151A (en) * | 2016-03-23 | 2019-11-15 | 赫克斯冈技术中心 | Coordinate measuring machine with improved V belt translation device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20161116 |