CN114838667A - Gantry type measuring instrument - Google Patents
Gantry type measuring instrument Download PDFInfo
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- CN114838667A CN114838667A CN202210458665.1A CN202210458665A CN114838667A CN 114838667 A CN114838667 A CN 114838667A CN 202210458665 A CN202210458665 A CN 202210458665A CN 114838667 A CN114838667 A CN 114838667A
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- 239000011521 glass Substances 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 238000013519 translation Methods 0.000 claims description 42
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000238367 Mya arenaria Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013208 measuring procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The invention discloses a gantry type measuring instrument which comprises an installation base, a gantry frame movably connected to the installation base, and a fine adjustment piece movably connected to the gantry frame; a glass frame is arranged on the mounting base, a glass plate is arranged on the glass frame, and the bottom of the portal frame is movably connected with a transmission light source positioned below the glass plate; the fine setting piece includes the installed part, dismantles the formula and installs in the regulation strip of installed part both sides, set up the mounting bracket between two regulation strips, and the dismantlement formula is installed at least one measuring device who is located the glass board top on the mounting bracket, has the fine setting clearance that is used for fine setting measuring device between mounting bracket and the regulation strip, still including the synchronous displacement mechanism that is used for synchronous movement fine setting piece and transmission light source. The invention can automatically and synchronously adjust the positions of the measuring device and the transmission light source, and finely adjust the measuring point of the measuring device to be more accurately positioned on the same vertical line with the optical axis of the transmission light source, thereby having better measuring effect.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to a gantry type measuring instrument.
Background
In the processing process of industrial production, in order to ensure the product quality, corresponding measuring procedures are required, and workpieces are generally measured by corresponding measuring instruments, mainly for dimension measurement. The image measuring instrument is also named as a quadratic element non-contact measuring instrument and a precise image type surveying instrument, overcomes the defects of the traditional projector, and is a novel high-precision and high-tech measuring instrument integrating light collection, mechanical, electrical and computer image technologies.
When the existing image measuring instrument is used, an object to be measured is placed on a glass plate, a measuring device is moved to the upper side of the object to be measured through a driving device, a transmission light source is moved to the lower side of the object to be measured, an optical microscope is used for carrying out high-magnification optical amplification imaging on the object to be measured, and after an amplified object image is sent into a computer through a CCD (charge coupled device) camera system, the outline, the surface shape, the size, the angle and the position of various complex workpieces can be efficiently detected, particularly the microscopic detection and the quality control of precise parts.
However, when the existing measuring instrument is used, the positions of the measuring device and the transmission light source need to be respectively adjusted, so that the measuring device and the transmission light source are difficult to accurately locate on the same vertical line, repeated measurement needs to be carried out through multiple movements, and the measuring effect is poor.
Disclosure of Invention
The invention aims to solve the technical defects, and provides a gantry-type measuring instrument which can automatically and synchronously adjust the positions of a measuring device and a transmission light source and finely adjust a measuring point of the measuring device to be more accurately positioned on the same vertical line with an optical axis of the transmission light source, and has a better measuring effect.
In order to solve the technical problems, the technical scheme of the invention is as follows: a gantry type measuring instrument comprises a mounting base, a gantry frame movably connected to the mounting base, and a fine adjustment piece movably connected to the gantry frame;
a glass frame is arranged on the mounting base, and a glass plate is arranged on the glass frame;
the bottom of the portal frame is movably connected with a transmission light source positioned below the glass plate;
the fine adjustment piece comprises an installation piece, adjusting strips detachably installed on two sides of the installation piece, and an installation frame arranged between the two adjusting strips, at least one measuring device positioned above the glass plate is detachably installed on the installation frame, a fine adjustment gap is formed between the installation frame and the adjusting strips, at least one connecting piece is detachably installed on the adjusting strips, and the end parts of the connecting pieces are connected with the side wall of the installation frame through the fine adjustment gap;
the device is characterized by further comprising a synchronous displacement mechanism, wherein the synchronous displacement mechanism comprises a driving piece and a guide mechanism matched with the driving piece, the driving piece is respectively fixedly connected with the fine adjustment piece and the transmission light source, and the fine adjustment piece and the transmission light source automatically and synchronously move through the driving piece under the matching of the guide mechanism.
Preferably, the fine adjustment gap comprises a first gap formed between one side of the mounting bracket and one of the adjustment bars and a second gap formed between the other side of the mounting bracket and the other of the adjustment bars, and when the width of the first gap is larger than the width of the second gap, and the length of the connecting member in the first gap is larger than the length of the connecting member in the second gap, the position of the mounting member is mounted close to the adjustment bar close to the second gap; when the width of the first gap is less than the width of the second gap, and the length of the connecting piece in the first gap is less than the length of the connecting piece in the second gap, the mounting piece is arranged close to the adjusting strip close to the first gap.
Preferably, the connecting piece is of a screw rod structure, and the connecting piece is in threaded connection with the adjusting strip.
Preferably, the guiding mechanism comprises two bottom optical bearings arranged on the left side and the right side of the top of the portal frame respectively and two direction changing pieces arranged on the left side and the right side of the bottom of the portal frame respectively, the axial direction of the bottom optical bearings is parallel to the length direction of the glass plate, the direction changing pieces are respectively and detachably provided with a tensioning bearing, a first direction changing bearing, a second direction changing bearing and a guiding bearing, the axial direction of the tensioning bearing is parallel to the axial direction of the bottom optical bearings, the axial direction of the first direction changing bearing is parallel to the width direction of the glass plate, the axial direction of the second direction changing bearing is perpendicular to the top surface of the glass plate and is parallel to the axial direction of the guiding bearing, the driving piece is of an annular structure, and the driving piece is sequentially tensed on the left side of the bottom optical bearings, the left side of the first direction changing bearing, the left side of the guiding bearing, the guiding bearing and the guiding bearing, The guiding bearing on the right side, the second turning bearing on the left side, the tensioning bearing on the right side, the bottom light bearing on the right side, or the first turning bearing on the right side, the guiding bearing on the left side, the second turning bearing on the right side, the tensioning bearing on the left side and the bottom light bearing on the left side are sequentially tensioned on the right side.
Preferably, the glass frame is provided with a glass mounting groove for mounting the glass plate, the inner groove wall of the glass mounting groove is provided with a plurality of mounting holes along the periphery of the glass plate, the mounting holes are in threaded connection with adjusting bolts, the top surfaces of the heads of the adjusting bolts are abutted against the bottom surface of the glass plate, and the rod parts of the adjusting bolts are screwed into the bottom surface in the mounting holes to form driving grooves.
Preferably, the portal frame comprises two columns arranged on the mounting base, a beam fixedly connected between the tops of the two columns, and a connecting plate fixedly connected between the bottoms of the two columns, and the transmission light source is connected to the connecting plate in a sliding manner.
Preferably, a first translation driving device is arranged on the mounting base, a driving end of the first translation driving device is fixedly connected with the connecting plate, and the first translation driving device drives the portal frame to slide along the length direction of the mounting base.
Preferably, a vertical plate is connected to the cross beam in a sliding manner, the mounting piece is movably connected to the vertical plate, a second translation driving device is arranged on the cross beam, a driving end of the second translation driving device is fixedly connected with the vertical plate, and the second translation driving device drives the mounting piece to slide along the length direction of the cross beam.
Preferably, the vertical plate extends along the height direction of the upright column, a third translation driving device is arranged on the vertical plate, a driving end of the third translation driving device is fixedly connected with the mounting piece, and the third translation driving device drives the mounting piece to slide along the length direction of the vertical plate.
Preferably, the device further comprises an electric control device, and the first translation driving device, the second translation driving device and the third translation driving device are all connected with and controlled by the electric control device.
Compared with the prior art, the invention has the beneficial effects that: the measuring instrument combines a measuring device, a transmission light source and a portal frame into a whole through a fine adjusting piece, the measuring device and the transmission light source move along the length direction of an installation base along the portal frame, the position of the measuring device is adjusted through the movable connection of the fine adjusting piece on the portal frame, a driving piece is respectively and fixedly connected with the fine adjusting piece and the transmission light source, the driving piece moves along the fine adjusting piece and is matched with a guide mechanism to drive the transmission light source to move along the width direction of the installation base on the bottom of the portal frame, the positions of the measuring device and the transmission light source are automatically and synchronously adjusted, a mounting frame is fixed through connecting pieces on two adjusting strips, the lengths of the connecting pieces on two sides of the fine adjusting piece inserted into a fine adjusting gap are respectively adjusted, the fine adjusting gap on one side of the mounting frame is enlarged, the fine adjusting gap on the other side of the mounting frame is reduced, the position of the measuring device is more accurately adjusted, and the measuring point of the measuring device and the optical axis of the transmission light source are ensured to be in the same vertical line, the detection effect of the measuring instrument is improved.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is an exploded view of the embodiment;
FIG. 3 is a schematic view of a gantry;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a first schematic structural view of a glass frame;
fig. 6 is a schematic structural view of a glass frame.
In the figure: 1. installing a base; 11. an instrument table; 12. a platform; 13. surrounding the protective shell; 2. a foot cup; 3. a gantry; 31. a column; 32. a cross beam; 33. a connecting plate; 4. a fine adjustment member; 41. a mounting member; 42. an adjustment bar; 43. a mounting frame; 5. a synchronous displacement mechanism; 51. a driver; 52. a guide mechanism; 521. a bottom light bearing; 522. a direction-changing member; 6. a housing; 61. a column jacket; 62. beam protective shells; 7. a first fixing hole; 8. a second fixing hole; 9. reinforcing holes; 10. a measuring device; 14. fine-tuning the gap; 15. a connecting member; 16. a glass frame; 17. a glass mounting groove; 18. mounting holes; 19. adjusting the bolt; 20. a drive slot; 21. a glass plate; 22. a bottom light guide rail; 23. a transmissive light source; 24. a tensioning bearing; 25. a first direction changing bearing; 26. a second direction changing bearing; 27. a guide bearing; 28. a first translation drive device; 29. a second translation drive device; 30. a third translation drive; 34. a vertical plate; 35. an electric control device; 36. a first guide rail; 37. a second guide rail; 38. a third guide rail; 39. a rope pressing plate; 40. fixing the plate by using a rope; 44. a groove; 45. a through groove; 46. a vertical shell; 47. a first proximity switch; 48. a second proximity switch; 49. and a third proximity switch.
Detailed Description
The invention is further described by way of example with reference to the accompanying drawings.
Referring to fig. 1, 2, 5 and 6, a gantry type measuring instrument includes a mounting base 1, a gantry 3 movably connected to the mounting base 1, and a fine-tuning unit 4 movably connected to the gantry 3.
The platform 12 is provided with a glass frame 16, the glass frame 16 is provided with a glass mounting groove 17, a glass plate 21 is mounted in the glass mounting groove 17, and the glass plate 21 is used for placing an object to be tested. The inner groove wall of the glass mounting groove 17 is penetrated with a plurality of mounting holes 18 along the periphery of the glass plate 21, the mounting holes 18 are all in threaded connection with adjusting bolts 19, the top surface of the head of each adjusting bolt 19 is abutted against the bottom surface of the glass plate 21, the heads of the adjusting bolts 19 support the glass plate 21, the bottom surface of the rod part of each adjusting bolt 19 screwed into the corresponding mounting hole 18 is provided with a driving groove 20, each driving groove 20 is a regular polygon groove, so that a worker can conveniently use an inner hexagon wrench to rotate the corresponding adjusting bolt 19 and heighten or lower the head of the corresponding adjusting bolt 19, finely tune the plane degree of glass board 21, adjusting bolt 19 and the cooperation of foot cup 2 for the bottom surface is placed in the unevenness to this measuring apparatu is applicable, improves the suitability of installation base 1, ensures that the object that awaits measuring possesses better placing effect on glass board 21, the measurement operation of the measuring apparatu of being convenient for.
Referring to fig. 1 to 4, the gantry 3 includes two columns 31 symmetrically disposed on the top surface of the platform 12, a beam 32 fixedly connected between the tops of the two columns 31, and a connecting plate 33 fixedly connected between the bottoms of the two columns 31, and the platform 12 and the gantry 3 are made of marble material, and are heavy, stable in measurement performance, stable in chemical property, and not easy to age. The gantry 3 is further provided with a housing 6, and the housing 6 comprises two column shields 61 mounted on the column 31 and a beam shield 62 mounted on the beam 32 for protecting the gantry 3. The beam guard 62 is a U-shaped structure, and the opening of the beam guard 62 is used for the sliding connection of the trimming member 4 on the cross beam 32. The connecting plate 33 is provided with a bottom light guide rail 22 extending along the length direction thereof, and the bottom light guide rail 22 is connected with a transmission light source 23 positioned below the glass plate 21 in a sliding manner, so as to perform auxiliary irradiation on the object to be measured and assist the scanning operation of the measuring instrument.
The fine adjustment piece 4 comprises a mounting piece 41, adjusting strips 42 which are detachably mounted on two sides of the mounting piece 41, and a mounting frame 43 arranged between the two adjusting strips 42, wherein at least one first fixing hole 7 is formed in the adjusting strips 42 in a penetrating mode, the two adjusting strips 42 are connected to the side wall of the mounting piece 41 through the first fixing holes 7 in a bolt mode, at least one connecting piece 15 is detachably mounted on the adjusting strips 42, the connecting piece 15 is located between the two adjacent first fixing holes 7, the connecting piece 15 is of a screw rod structure, the connecting piece 15 is in threaded connection with the adjusting strips 42, the end portion of the connecting piece 15 is connected with the side wall of the mounting frame 43 in a threaded connection or rotating mode through a fine adjustment gap 14, and the mounting frame 43 is fixed to the mounting piece 41 through the connecting piece 15. At least one second fixing hole 8 penetrates through the mounting frame 43, a through groove 45 penetrates through the inner hole wall of the second fixing hole 8, reinforcing holes 9 communicated with the through groove 45 penetrate through the mounting frame 43, the second fixing holes are used for mounting the measuring device 10, when the measuring device 10 is mounted in the corresponding second fixing hole 8, screws can be screwed in the reinforcing holes 9 and are in threaded connection with the inner groove wall of the through groove 45, the gap of the through groove 45 is reduced, and the stable mounting of the measuring device 10 is completed. The measuring device 10 may be a laser positioning device, a camera device, an irradiation device, etc. for detecting the size, angle and position of the contour and surface shape of the object to be measured.
The mounting frame 43 and the adjusting bar 42 are provided with a fine adjustment gap 14, the fine adjustment gap 14 comprises a first gap formed between one side of the mounting frame 43 and one adjusting bar 42 and a second gap formed between the other side of the mounting frame 43 and the other adjusting bar 42, when the width of the first gap is larger than the width of the second gap, and the length of the connecting piece 15 in the first gap is larger than the length of the connecting piece 15 in the second gap, the position of the mounting piece 41 is mounted close to the adjusting bar 42 close to the second gap; when the width of the first gap < the width of the second gap and the length of the connecting member 15 in the first gap < the length of the connecting member 15 in the second gap, the mounting member 41 is positioned close to the adjustment bar 42 adjacent to the first gap. By adjusting the lengths of the connecting members 15 on both sides of the mounting member 41 inserted into the fine adjustment gap 14, the position of the measuring device 10 can be adjusted more precisely, so that the measuring point of the measuring device 10 is aligned with the optical axis of the transmission light source 23, and the detection accuracy of the measuring instrument is improved.
The length direction of the stage 12 is the X-axis, the width direction of the stage 12 is the Y-axis, and the height direction of the stage 12 is the Z-axis.
The top surface of the platform 12 is symmetrically provided with two first guide rails 36 for the connecting plate 33 to be connected in a sliding manner, the first guide rails 36 extend along the length direction of the platform 12, the platform 12 is provided with a first translation driving device 28, the driving end of the first translation driving device 28 is fixedly connected with the connecting plate 33, and the first translation driving device 28 drives the portal frame 3 to slide along the length direction of the platform 12, so that the measuring device 10 is adjusted in the X axial direction. A flexible casing which can be telescopically folded along the X-axis is also arranged between the column protective casing 61 and the surrounding protective casing 13, and is used for matching the glass frame 16 and the glass plate 21 and protecting each component on the platform 12.
Two second guide rails 37 are symmetrically arranged on the cross beam 32, the second guide rails 37 extend along the width direction of the platform 12, the two second guide rails 37 are connected with vertical plates 34 connected with the mounting pieces 41 in a sliding mode, a second translation driving device 29 is arranged on the cross beam 32, the driving end of the second translation driving device 29 is fixedly connected with the vertical plates 34, and the second translation driving device 29 drives the vertical plates 34 to slide along the width direction of the platform 12, so that the measuring device 10 is adjusted in the Y-axis direction. The side wall of the vertical plate 34 far away from the fine adjustment part 4 is provided with a groove 44 connected with the beam protective shell 62 in a sliding manner, the vertical plate 34 is provided with a vertical shell 46 with a protection function, and a soft shell capable of being telescopic and folded along the Y axis can be further arranged between the vertical shell 46 and the beam protective shell 62 to protect each component on the cross beam 32.
The vertical plate 34 extends along the height direction of the upright column 31, two third guide rails 38 for slidably connecting the mounting piece 41 are symmetrically arranged on the vertical plate 34, the third guide rails 38 extend along the height direction of the platform 12, the vertical plate 34 is provided with the third translation driving device 30, the driving end of the third translation driving device 30 is fixedly connected with the mounting piece 41, and the third translation driving device 30 drives the mounting piece 41 to slide along the height direction of the platform 12, so that the measuring device 10 is subjected to Z-axis adjustment.
The first translation driving device 28, the second translation driving device 29, and the third translation driving device 30 are driving devices such as a lead screw motor, an electric cylinder, or an air cylinder, and the electric control device 35 is disposed on the instrument table 11, and the electric control device 35 is composed of a power supply, a solid-state relay, a socket, a filter, a controller, and the like, and is used for controlling the measuring instrument, so as to ensure safe and reliable operation of the measuring instrument, and the components of the electric control device 35 are conventional technologies, and are not described in detail herein.
Staff's accessible electrically controlled device 35 carries out position adjustment to measuring device 10, makes it correspond to each other with the position of placing the object that awaits measuring on glass board 21, still can install the grating reading head on connecting plate 33, vertical board 34, installed part 41 in addition to at the displacement department installation scale grating that corresponds with it, through the measurement feedback displacement volume of the optical principle work of grating, improved measuring device 10's removal size measurement precision. The grating reading head and the scale grating are conventional and well-known technologies, and are not described in detail herein.
A first proximity switch 47 electrically connected with the electric control device 35 is arranged at the end part of the top surface of the platform 12 close to the first guide rail 36, and when the portal frame 3 is close to the first proximity switch 47, the electric control device 35 stops the first translation driving device 28 so as to limit the X-axis displacement of the measuring device 10; a second proximity switch 48 electrically connected with the electric control device 35 is arranged at the end part of the side wall of the cross beam 32 close to the first guide rail 36, and when the vertical plate 34 is close to the second proximity switch 48, the electric control device 35 stops the second translation driving device 29 so as to limit the Y-axis displacement of the measuring device 10; a third proximity switch 49 is provided on the side wall of the vertical plate 34 near the end of the third rail 38, and when the mounting member 41 is close to the third proximity switch 49, the electric control device 35 stops the third translation driving device 30 to limit the Z-axis displacement of the measuring device 10. The proximity switch is a position switch that can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch reaches an action distance, the switch can be actuated without mechanical contact and any pressure applied, so as to provide a control instruction for the electric control device 35, and the first proximity switch 47, the second proximity switch 48, and the third proximity switch 49 are conventional technologies, and will not be described in detail herein.
The device further comprises a synchronous displacement mechanism 5, the synchronous displacement mechanism 5 comprises a driving piece 51 and a guide mechanism 52 matched with the driving piece 51, a rope fixing plate 40 fixedly connected with the driving piece 51 is arranged on the vertical plate 34, a rope pressing plate 39 fixedly connected with the driving piece 51 is arranged on the top of the transmission light source 23, the guide mechanism 52 comprises two bottom light bearings 521 respectively arranged on the left side and the right side of the top of the portal frame 3, and two direction changing pieces 522 respectively arranged on the left side and the right side of the bottom of the portal frame 3, the axial direction of the bottom light bearings 521 is parallel to the length direction of the glass plate 21, tensioning bearings 24, first direction changing bearings 25, second direction changing bearings 26 and guide bearings 27 are respectively detachably arranged on the direction changing pieces 522, the axial direction of the tensioning bearings 24 is parallel to the axial direction of the bottom light bearings 521, the axial direction of the first direction changing bearings 25 is parallel to the width direction of the glass plate 21, the axial direction of the second direction changing bearings 26 is perpendicular to the top surface of the glass plate 21 and is parallel to the axial direction of the guide bearings 27, the driver 51 has a ring-shaped structure, and the driver 51 is sequentially tensioned on the left bottom light bearing 521, the left first direction-changing bearing 25, the left guide bearing 27, the right guide bearing 27, the left second direction-changing bearing 26, the right tension bearing 24 and the right bottom light bearing 521, or sequentially tensioned on the right bottom light bearing 521, the right first direction-changing bearing 25, the right guide bearing 27, the left guide bearing 27, the right second direction-changing bearing 26, the left tension bearing 24 and the left bottom light bearing 521.
In yet another embodiment of the synchronous displacement mechanism 5, the driving member 51 may be a chain or rack structure, and the axial side walls of the bottom light bearing 521, the tensioning bearing 24, the first direction changing bearing 25, the second direction changing bearing 26 and the guiding bearing 27 are engaged with the driving member, so as to improve the transmission effect of the synchronous displacement mechanism 5.
When the second driving device drives the measuring device 10 to perform Y axial displacement, the driving part 51 cooperates with the guiding mechanism 52 to drive the transmission light source 23 to perform Y axial displacement on the bottom of the portal frame 3, and the positions of the measuring device 10 and the transmission light source 23 are automatically and synchronously adjusted to maintain the positions of the two at the same vertical line, so that repeated measurement for multiple times is not required, and the measuring effect is good.
It is understood that the above are only exemplary embodiments of the present invention, and other embodiments of the present invention may be made by using equivalent or equivalent alternatives, which fall within the scope of the present invention.
Claims (10)
1. The gantry type measuring instrument is characterized in that: the device comprises a mounting base (1), a portal frame (3) movably connected to the mounting base (1), and a fine adjustment part (4) movably connected to the portal frame (3);
a glass frame (16) is arranged on the mounting base (1), and a glass plate (21) is mounted on the glass frame (16);
the bottom of the portal frame (3) is movably connected with a transmission light source (23) positioned below the glass plate (21);
the fine adjustment piece (4) comprises an installation piece (41), adjusting strips (42) detachably installed on two sides of the installation piece (41), and an installation frame (43) arranged between the two adjusting strips (42), wherein at least one measuring device (10) positioned above the glass plate (21) is detachably installed on the installation frame (43), a fine adjustment gap (14) is formed between the installation frame (43) and the adjusting strips (42), at least one connecting piece (15) is detachably installed on the adjusting strips (42), and the end part of the connecting piece (15) passes through the fine adjustment gap (14) and is connected with the side wall of the installation frame (43);
the automatic transmission device is characterized by further comprising a synchronous displacement mechanism (5), wherein the synchronous displacement mechanism (5) comprises a driving piece (51) and a guide mechanism (52) matched with the driving piece (51), the driving piece (51) is fixedly connected with the fine adjusting piece (4) and the transmission light source (23), and under the matching of the guide mechanism (52), the fine adjusting piece (4) and the transmission light source (23) automatically and synchronously move through the driving piece (51).
2. The gantry measuring instrument of claim 1, wherein: the fine adjustment gap (14) comprises a first gap formed between one side of the mounting frame (43) and one of the adjusting strips (42) and a second gap formed between the other side of the mounting frame (43) and the other adjusting strip (42), when the width of the first gap is larger than the width of the second gap, and the length of the connecting piece (15) in the first gap is larger than the length of the connecting piece (15) in the second gap, the position of the mounting piece (41) is mounted to be close to the adjusting strip (42) close to the second gap; the mounting member (41) is positioned to be adjacent to the adjustment strip (42) adjacent to the first gap when the width of the first gap is less than the width of the second gap and the length of the connecting member (15) in the first gap is less than the length of the connecting member (15) in the second gap.
3. The gantry measuring instrument of claim 2, wherein: the connecting piece (15) is of a screw rod structure, and the connecting piece (15) is in threaded connection with the adjusting strip (42).
4. The gantry measuring instrument of claim 1, wherein: the guide mechanism (52) comprises two bottom light bearings (521) which are respectively arranged on the left side and the right side of the top of the portal frame (3) and two direction-changing pieces (522) which are respectively arranged on the left side and the right side of the bottom of the portal frame (3), the axial direction of the bottom light bearings (521) is parallel to the length direction of the glass plate (21), tensioning bearings (24), first direction-changing bearings (25), second direction-changing bearings (26) and guide bearings (27) are respectively detachably arranged on the direction-changing pieces (522), the axial direction of the tensioning bearings (24) is parallel to the axial direction of the bottom light bearings (521), the axial direction of the first direction-changing bearings (25) is parallel to the width direction of the glass plate (21), the axial direction of the second direction-changing bearings (26) is perpendicular to the top surface of the glass plate (21) and is parallel to the axial direction of the guide bearings (27), the driving piece (51) is of an annular structure, and the driving piece (51) is sequentially tensioned on the left bottom light bearing (521), the left first direction changing bearing (25), the left guide bearing (27), the right guide bearing (27), the left second direction changing bearing (26), the right tensioning bearing (24) and the right bottom light bearing (521), or sequentially tensioned on the right bottom light bearing (521), the right first direction changing bearing (25), the right guide bearing (27), the left guide bearing (27), the right second direction changing bearing (26), the left tensioning bearing (24) and the left bottom light bearing (521).
5. The gantry measuring instrument of claim 1, wherein: the glass frame (16) is provided with a glass mounting groove (17) for mounting the glass plate (21), the inner groove wall of the glass mounting groove (17) is provided with a plurality of mounting holes (18) in a penetrating manner along the periphery of the glass plate (21), the mounting holes (18) are in threaded connection with adjusting bolts (19), the top surface of the head of each adjusting bolt (19) is abutted to the bottom surface of the glass plate (21), and the rod part of each adjusting bolt (19) is screwed into the bottom surface in each mounting hole (18) to form a driving groove (20).
6. The gantry measuring instrument according to any one of claims 1 to 5, wherein: the portal frame (3) comprises two columns (31) arranged on the installation base (1), a cross beam (32) fixedly connected between the tops of the two columns (31) and a connecting plate (33) fixedly connected between the bottoms of the two columns (31), and the transmission light source (23) is connected to the connecting plate (33) in a sliding mode.
7. The gantry measuring apparatus of claim 6, wherein: the gantry crane is characterized in that a first translation driving device (28) is arranged on the mounting base (1), the driving end of the first translation driving device (28) is fixedly connected with the connecting plate (33), and the first translation driving device (28) drives the gantry crane (3) to slide along the length direction of the mounting base (1).
8. The gantry measuring apparatus of claim 7, wherein: the transverse beam (32) is connected with a vertical plate (34) in a sliding mode, the mounting piece (41) is movably connected to the vertical plate (34), a second translation driving device (29) is arranged on the transverse beam (32), the driving end of the second translation driving device (29) is fixedly connected with the vertical plate (34), and the second translation driving device (29) drives the mounting piece (41) to slide along the length direction of the transverse beam (32).
9. The gantry measuring instrument of claim 8, wherein: the vertical plate (34) extends along the height direction of the upright column (31), a third translation driving device (30) is arranged on the vertical plate (34), the driving end of the third translation driving device (30) is fixedly connected with the mounting piece (41), and the third translation driving device (30) drives the mounting piece (41) to slide along the length direction of the vertical plate (34).
10. The gantry measuring instrument of claim 9, wherein: the device also comprises an electric control device (35), and the first translation driving device (28), the second translation driving device (29) and the third translation driving device (30) are all connected with and controlled by the electric control device (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538979A (en) * | 2023-07-06 | 2023-08-04 | 常州市奥威机械有限公司 | Dimension measurement tool based on multi-specification turbine blade machining |
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| CN201795778U (en) * | 2010-05-29 | 2011-04-13 | 浙江工业职业技术学院 | Measuring device for images of parts with deep holes |
| CN104534995A (en) * | 2014-12-26 | 2015-04-22 | 大族激光科技产业集团股份有限公司 | Optical measuring equipment |
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| US20220101511A1 (en) * | 2020-09-30 | 2022-03-31 | Mitutoyo Corporation | System and method utilizing multi-point autofocus to align an optical axis of an optical assembly portion to be normal to a workpiece surface |
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| CN1932436A (en) * | 2006-09-30 | 2007-03-21 | 赵政康 | Moving gantry type optical coordinate measuring instrument |
| CN201795778U (en) * | 2010-05-29 | 2011-04-13 | 浙江工业职业技术学院 | Measuring device for images of parts with deep holes |
| CN104534995A (en) * | 2014-12-26 | 2015-04-22 | 大族激光科技产业集团股份有限公司 | Optical measuring equipment |
| CN208147107U (en) * | 2018-02-02 | 2018-11-27 | 杭州联鹰科技有限公司 | Laser seam tracking device |
| US20220101511A1 (en) * | 2020-09-30 | 2022-03-31 | Mitutoyo Corporation | System and method utilizing multi-point autofocus to align an optical axis of an optical assembly portion to be normal to a workpiece surface |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538979A (en) * | 2023-07-06 | 2023-08-04 | 常州市奥威机械有限公司 | Dimension measurement tool based on multi-specification turbine blade machining |
| CN116538979B (en) * | 2023-07-06 | 2023-09-12 | 常州市奥威机械有限公司 | Dimension measurement tool based on multi-specification turbine blade machining |
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