CN210570536U - Combined type three-dimensional image measuring instrument - Google Patents
Combined type three-dimensional image measuring instrument Download PDFInfo
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- CN210570536U CN210570536U CN201922086510.6U CN201922086510U CN210570536U CN 210570536 U CN210570536 U CN 210570536U CN 201922086510 U CN201922086510 U CN 201922086510U CN 210570536 U CN210570536 U CN 210570536U
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Abstract
The utility model discloses a three-dimensional image measuring apparatu of combined type belongs to the image measuring apparatu field, three-dimensional image measuring apparatu of combined type includes the base, set up the workstation on the base, set up on the base and stride in the arched beam of workstation top, movably set up in the X workstation of arched beam one side, set up the measuring mechanism on the X workstation, the roof of arched beam is provided with first guide part, the lateral wall of arched beam is provided with the second guide part, the X workstation is through first guide holder and first guide part sliding fit, the X workstation passes through second guide holder and second guide part sliding fit. The utility model discloses a three-dimensional image measuring apparatu of combined type can improve the stability when X axle workstation removes.
Description
Technical Field
The utility model relates to an image measuring instrument field especially relates to a three-dimensional image measuring instrument of combined type.
Background
A three-dimensional image measuring instrument, also known as a non-contact three-dimensional optical measuring instrument, is a high-precision measuring instrument for measuring three-dimensional geometric dimensions and form and position tolerances. The high-precision, high-efficiency and high-reliability measuring instrument overcomes the defects of the traditional projector and two-dimensional image measurement, and integrates optical, mechanical, electronic and computer image processing technologies.
The conventional fixed bridge three-dimensional image measuring instrument generally includes a base, an arched beam disposed on the base, a worktable disposed on the base, an X-axis worktable disposed on the arched beam and capable of moving along an X-axis, and a measuring mechanism disposed on the X-axis worktable and including a lens, a probe, and the like. The X-axis workbench is used as a movable bearing platform, a measuring mechanism and the like are arranged on the X-axis workbench, so that the X-axis workbench is heavy in whole, the guide rail is arranged on the side wall of the arched cross beam, the X-axis workbench and the arched cross beam are matched in a single face, the stress of the guide rail is large, the service life of the guide rail is influenced especially at the joint of the guide rail and the arched cross beam, and the X-axis workbench is poor in stability and large in movement error when moving on the arched cross beam, so that the measuring accuracy is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing a combined type three-dimensional image measuring instrument to improve the stability of the X-axis workbench during movement.
The utility model adopts the technical proposal that:
the utility model provides a pair of three-dimensional image measuring apparatu of combined type, including base, movably set up in workstation, fixed set up in on the base and stride in the arched beam of workstation top, movably set up in the X workstation of arched beam one side, set up in measuring mechanism on the X workstation, the roof of arched beam is provided with first guide part, the lateral wall of arched beam is provided with the second guide part, the X workstation through first guide holder with first guide part sliding fit, the X workstation through the second guide holder with second guide part sliding fit.
As a further improvement of this aspect, the guiding direction of the first guiding portion is the same as the guiding direction of the second guiding portion.
As a further improvement of the scheme, the X-axis driving mechanism is used for driving the X-axis workbench to slide on the first guide part and the second guide part, and the X-axis driving mechanism is arranged on the arched beam.
As a further improvement of the scheme, the X-axis transmission mechanism comprises an X-axis motor, an X-axis screw rod connected with the power output end of the X-axis motor, and an X-axis screw rod nut matched with the X-axis screw rod, and the X workbench is connected with the X-axis screw rod nut.
As a further improvement of this solution, the X-axis transmission mechanism is located between the first guide portion and the second guide portion.
As a further improvement of this scheme, the first guide portion includes a first linear guide rail, and the first guide holder includes a connecting plate disposed on the X table, and a first slider disposed on the connecting plate and engaged with the first linear guide rail.
As a further improvement of this solution, the second guide portion includes a second linear guide, and the second guide holder is a second slider that cooperates with the second linear guide.
As a further improvement of this embodiment, the measuring mechanism includes a third guide portion provided on the X table, a Z table slidably provided on the third guide portion, and an image measuring device provided on the Z table, and a guide direction of the third guide portion is perpendicular to guide directions of the first guide portion and the second guide portion.
As a further improvement of the present solution, the measuring mechanism further includes a Z-axis transmission mechanism for driving the Z-axis worktable to slide on the third guide portion, the Z-axis transmission mechanism includes a Z-axis motor, a Z-axis lead screw connected to a power output end of the Z-axis motor, and a Z-axis lead screw nut matched with the Z-axis lead screw, and the Z-axis worktable is connected to the Z-axis lead screw nut.
As a further improvement of this scheme, the combined three-dimensional image measuring instrument further includes a counterweight device, the counterweight device including set up in the pulley at X workstation top, with pulley matched with connect the rope, with the balancing weight that the one end of connecting the rope is connected, the other end of connecting the rope with the Z workstation is connected, the Z workstation with the balancing weight is located respectively the both sides of X workstation.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a combined type three-dimensional image measuring instrument, through setting up the first guide part in the roof of arched beam, set up the second guide part in the lateral wall of arched beam, and X workstation first guide holder and first guide part sliding fit, through second guide holder and second guide part sliding fit, make the first guide part play guide effect and play the supporting role, the second guide part plays guide effect and supports the X workstation in arched beam surface certain distance, the weight of X workstation can be transmitted to arched beam through first guide part, effectively solve the problem that the guide part atress is great when setting up alone in arched beam lateral wall and the junction atress between guide part and arched beam is serious and the guide part is liable to damage, the cooperation setting of first guide part and second guide part, make X workstation form and form stable angle cooperation between the two adjacent perpendicular surfaces of arched beam, the stability of the X workbench during moving is effectively improved.
Drawings
Fig. 1 is a perspective view of a combined three-dimensional image measuring instrument according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a right-view structure of a combined three-dimensional image measuring instrument according to an embodiment of the present invention;
FIG. 3 is a perspective view of an arched beam provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of a right-view structure of an arched beam according to an embodiment of the present invention.
In the figure:
1. a base; 2. a work table; 3. an arched beam; 4. an X table; 5. a measuring mechanism; 6. a first guide portion; 7. a second guide portion; 8. a first guide seat; 9. a second guide seat; 10. an X-axis transmission mechanism; 81. a connecting plate; 82. a first slider; 51. a third guide portion; 52. a Z table; 53. an image measuring device; 54. a Z-axis transmission mechanism; 11. a counterweight device; 111. a pulley; 112. connecting ropes; 113. a balancing weight; 12. a base; 13. a bottom light source; 14. a Y-axis transmission mechanism; 15. a Y-axis guide rail.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and technical solutions needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 4, the composite three-dimensional image measuring instrument provided in this embodiment includes a base 12, a base 1 disposed on the base 12, a worktable 2 movably disposed on the base 1, an arched beam 3 fixedly disposed on the base 1 and straddling over the worktable 2, an X worktable 4 movably disposed on one side of the arched beam 3, and a measuring mechanism 5 disposed on the X worktable 4, wherein a plurality of support legs are disposed at the bottom of the base 1 and the bottom of the base 12, a first guide portion 6 is disposed on a top wall of the arched beam 3, a second guide portion 7 is disposed on a side wall of the arched beam 3, the X worktable 4 is slidably engaged with the first guide portion 6 through a first guide seat 8, and the X worktable 4 is slidably engaged with the second guide portion 7 through a second guide seat 9. The first guide part 6 plays a role in guiding and supporting, the second guide part 7 plays a role in guiding and supports the X workbench 4 at a certain distance from the surface of the arched beam 3, the weight of the X workbench 4 can be transmitted to the arched beam 3 through the first guide part 6, the problems that the guide part is stressed seriously when the guide part is arranged on the side wall of the arched beam alone and the guide part is damaged easily due to the serious stress at the joint between the guide part and the arched beam are solved effectively, the first guide part 6 and the second guide part 7 are arranged in a matched mode, so that the X workbench 4 forms stable angle matching between two adjacent and vertical surfaces of the arched beam 3, namely two crossed surfaces are matched, the stability of the X workbench during moving is improved effectively, and the measuring precision is improved.
Specifically, the guiding direction of the first guiding portion 6 is the same as that of the second guiding portion 7, and is consistent with the length direction of the arched beam.
In order to facilitate the movement of the X-stage 4, further, the composite three-dimensional image measuring apparatus further includes an X-axis transmission mechanism 10 for driving the X-stage 4 to slide on the first guide portion 6 and the second guide portion 7, and the X-axis transmission mechanism 10 is disposed on the arched beam 3. The X-axis drive 10 may be belt drive, chain drive, gear-driven, or the like.
In this embodiment, the X-axis transmission mechanism 10 preferably includes an X-axis motor, an X-axis lead screw connected to a power output shaft of the X-axis motor, and an X-axis lead screw nut engaged with the X-axis lead screw, and the X table 4 is connected to the X-axis lead screw nut. The X-axis motor is fixed on the arched beam 3, one end of the X-axis lead screw is connected with a power output shaft of the X-axis motor through a coupler, the other end of the X-axis lead screw is fixed on the arched beam 3 through a bearing seat, a rotating shaft of the X-axis lead screw drives the X-axis lead screw to rotate through the operation of the X-axis motor, the X-axis lead screw drives an X-axis lead screw nut to move in the X-axis direction, and therefore the X-axis workbench 4 is driven to move in the X-axis direction, and the measuring mechanism 5 on the X-axis workbench.
In order to improve the stability of the X workbench 4 during movement, further, the X-axis transmission mechanism 10 is positioned between the first guide part 6 and the second guide part 7, so that the X-axis transmission mechanism 10 is prevented from being arranged on the same side of the first guide part 6 and the second guide part 7, the X workbench 4 is easy to generate deflection around the Y axis, and the stability of the X workbench 4 during movement is improved. A grating scale is arranged between the first guide part 6 and the second guide part 7 for measuring the moving distance of the X table 4.
In order to facilitate the matching between the first guiding seat 8 and the first guiding portion 6, further, the first guiding portion 6 includes a first linear guide rail fixedly disposed on the top wall of the arched beam, the first guiding seat 8 includes a connecting plate 81 fixedly disposed on a side wall of the X workbench 4 close to the arched beam, and a first sliding block 82 fixedly disposed on the connecting plate 81 and matched with the first linear guide rail, the connecting plate 81 is disposed perpendicular to the X workbench 4, and the first sliding block 82 is fixed below the connecting plate 81. By adopting the arrangement, the structure is simple and reliable.
In order to facilitate the matching between the second guiding seat 9 and the second guiding portion 7, further, the second guiding portion 7 includes a second linear guide rail, the second guiding seat 9 is a second slider matched with the second linear guide rail, and the second guiding seat 9 is fixed on the X workbench 4. By adopting the arrangement, the structure is simple and reliable.
In order to facilitate the vertical movement measurement of the measurement mechanism 5, the measurement mechanism 5 further includes a third guide 51 provided on the X table 4, a Z table 52 slidably provided on the third guide 51, and an image measuring device 53 provided on the Z table 52, and the image measuring device 53 includes a lens, a probe, a surface light source, and the like provided on the Z table 52. The guide direction of the third guide portion 51 is perpendicular to the guide directions of the first guide portion 6 and the second guide portion 7. The third guiding portion 51 includes two linear guide rails disposed in parallel, and both are disposed along the Z-axis direction (i.e., the height direction of the composite three-dimensional image measuring instrument).
Further, the measuring mechanism 5 further includes a Z-axis transmission mechanism 54 for driving the Z-axis table 52 to slide on the third guide portion 51, the Z-axis transmission mechanism 54 includes a Z-axis motor, a Z-axis lead screw connected to a power output end of the Z-axis motor, and a Z-axis lead screw nut matched with the Z-axis lead screw, and the Z-axis table 52 is connected to the Z-axis lead screw nut. The Z-axis motor is fixed on the X-axis workbench 4, one end of the Z-axis lead screw is connected with a power output shaft of the Z-axis motor through a coupler, the other end of the Z-axis lead screw is fixed on the X-axis workbench 4 through a bearing seat, the Z-axis motor works, a rotating shaft of the Z-axis lead screw drives the Z-axis lead screw to rotate, and the Z-axis lead screw drives a Z-axis lead screw nut to move in the Z-axis direction, so that the Z-axis workbench 4 is driven to move in the Z-axis direction, and the image measurer 53 moves along the Z.
For the stability that improves Z workstation 52, furtherly, combined type three-dimensional image measuring instrument still includes counter weight device 11, counter weight device 11 is connected rope 112, the balancing weight 113 that is connected the one end of rope 112 including fixed pulley 111 that sets up in the top of X workstation 4, with pulley 111 matched with, the other end of connecting the rope is connected with Z workstation 52, Z workstation 52 and balancing weight are located the both sides of X workstation 4 respectively, it is wire rope to connect rope 112. The connecting plate 81 is fixedly provided with a guide rod, and the counterweight block 113 is in sliding fit with the guide rod, so that the counterweight block 113 can be limited from shaking randomly. By adopting the above structure, the image measuring device 53 can be effectively prevented from being damaged due to the fact that the Z worktable falls down because of being heavier when the Z-axis transmission mechanism 54 fails, the safety performance is high, and the Z worktable is easily driven by the Z-axis transmission mechanism 54.
In order to facilitate the movement of the workbench 2 along the Y-axis direction, further, two parallel Y-axis guide rails are arranged on the base 1, the bottom of the workbench 2 is in sliding fit with the Y-axis guide rails through a sliding block, a Y-axis transmission mechanism is arranged between the two Y-axis guide rails, the Y-axis transmission mechanism comprises a Y-axis motor, a Y-axis screw rod connected with a power output shaft of the Y-axis motor, and a Y-axis screw rod nut matched with the Y-axis screw rod, the bottom of the workbench 2 is fixedly connected with the Y-axis screw rod nut, and the workbench 2 is driven to move along the Y-axis direction through the work of the Y-axis motor.
Furthermore, a bottom light source 13 is arranged below the workbench and is connected with the X workbench through a steel wire rope and a pulley block, so that the bottom light source can move along with the X workbench, and the bottom light source is always positioned right below the lens.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a three-dimensional image measuring apparatu of combined type, includes base (1), movably set up in workstation (2) on base (1), fixed set up in on base (1) and stride in arched beam (3) of workstation (2) top, movably set up in X workstation (4) of arched beam (3) one side, set up in measuring mechanism (5) on X workstation (4), its characterized in that:
the top wall of the arched beam (3) is provided with a first guide part (6);
the side wall of the arched beam (3) is provided with a second guide part (7);
the X workbench (4) is in sliding fit with the first guide part (6) through a first guide seat (8);
the X workbench (4) is in sliding fit with the second guide part (7) through a second guide seat (9).
2. The composite three-dimensional image measuring instrument according to claim 1, wherein:
the guiding direction of the first guiding part (6) is the same as the guiding direction of the second guiding part (7).
3. The composite three-dimensional image measuring instrument according to claim 1 or 2, wherein:
the X-axis transmission mechanism (10) is used for driving the X workbench (4) to slide on the first guide part (6) and the second guide part (7);
the X-axis transmission mechanism (10) is arranged on the arched beam (3).
4. The composite three-dimensional image measuring instrument according to claim 3, wherein:
the X-axis transmission mechanism (10) comprises an X-axis motor, an X-axis screw rod connected with a power output shaft of the X-axis motor and an X-axis screw rod nut matched with the X-axis screw rod;
the X workbench (4) is connected with the X-axis screw rod nut.
5. The composite three-dimensional image measuring instrument according to claim 3, wherein:
the X-axis transmission mechanism (10) is located between the first guide part (6) and the second guide part (7).
6. The composite three-dimensional image measuring instrument according to claim 1 or 2, wherein:
the first guide part (6) comprises a first linear guide rail;
the first guide seat (8) comprises a connecting plate (81) arranged on the X workbench (4) and a first sliding block (82) arranged on the connecting plate (81) and matched with the first linear guide rail.
7. The composite three-dimensional image measuring instrument according to claim 1 or 2, wherein:
the second guide part (7) comprises a second linear guide rail;
and the second guide seat (9) is a second sliding block matched with the second linear guide rail.
8. The composite three-dimensional image measuring instrument according to claim 2, wherein:
the measuring mechanism (5) comprises a third guide part (51) arranged on the X workbench (4), a Z workbench (52) slidably arranged on the third guide part (51), and an image measuring device (53) arranged on the Z workbench (52);
the guide direction of the third guide part (51) is perpendicular to the guide directions of the first guide part (6) and the second guide part (7).
9. The composite three-dimensional image measuring instrument according to claim 8, wherein:
the measuring mechanism (5) further comprises a Z-axis transmission mechanism (54) for driving the Z worktable (52) to slide on the third guide part (51);
the Z-axis transmission mechanism (54) comprises a Z-axis motor, a Z-axis screw rod connected with a power output shaft of the Z-axis motor and a Z-axis screw rod nut matched with the Z-axis screw rod;
the Z workbench (52) is connected with the Z-axis screw rod nut.
10. The composite three-dimensional image measuring instrument according to claim 8, wherein:
the combined three-dimensional image measuring instrument further comprises a counterweight device (11);
counterweight device (11) including set up in pulley (111) at X workstation (4) top, with pulley (111) matched with connect rope (112), with balancing weight (113) that the one end of connecting rope (112) is connected, the other end of connecting the rope with Z workstation (52) are connected, Z workstation (52) with the balancing weight is located respectively the both sides of X workstation (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086510.6U CN210570536U (en) | 2019-11-28 | 2019-11-28 | Combined type three-dimensional image measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086510.6U CN210570536U (en) | 2019-11-28 | 2019-11-28 | Combined type three-dimensional image measuring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210570536U true CN210570536U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922086510.6U Active CN210570536U (en) | 2019-11-28 | 2019-11-28 | Combined type three-dimensional image measuring instrument |
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|---|---|
| CN (1) | CN210570536U (en) |
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2019
- 2019-11-28 CN CN201922086510.6U patent/CN210570536U/en active Active
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