CN208458701U - A kind of self-balancing three coordinate measuring machine - Google Patents
A kind of self-balancing three coordinate measuring machine Download PDFInfo
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- CN208458701U CN208458701U CN201820782485.8U CN201820782485U CN208458701U CN 208458701 U CN208458701 U CN 208458701U CN 201820782485 U CN201820782485 U CN 201820782485U CN 208458701 U CN208458701 U CN 208458701U
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Abstract
The utility model discloses a kind of self-balancing three coordinate measuring machine, including organic block, portal frame, Z axis bracket and measuring device；The portal frame can Y direction be set on base with moving back and forth, on portal frame have an X-axis crossbeam；The Z axis bracket is set on X-axis crossbeam and moves back and forth along the X-direction of X-axis crossbeam；The measuring device is set on Z axis bracket and moves back and forth along the Z-direction of Z axis bracket；Two air bearing mechanisms parallel to each other are provided on the base, air bearing mechanism extends along the y axis, and the both ends of the portal frame are butted on respectively in two air bearing mechanisms.By being provided with counterweight, and cooperates driving mechanism while counterweight and Z axis bracket being driven to move in reverse direction, so that the center of gravity of portal frame is maintained at middle position, portal frame both ends stress is identical, so that floating gap is identical, reach self-balancing, portal frame is avoided to shift phenomenon, to be conducive to improve the precision of measurement.
Description
Technical field
The utility model relates to measuring device field technologies, refer in particular to a kind of self-balancing three coordinate measuring machine.
Background technique
Three coordinate measuring machine is widely used in industries such as machinery, electronics, instrument, plastic cement.Three coordinate measuring machine be measurement and
One of the most efficient method of dimension data is obtained, because it can replace the combined amount of a variety of surface measurement tools and valuableness
Rule, and reducing to minute from hour the time required to complicated measurement task, this is Other Instruments and the effect being not achieved.
The primary structure of three coordinate measuring machine generally includes organic block 10 ', portal frame 20 ', Z axis bracket 30 ' and measurement
Device 40 '；The portal frame 20 ' can Y direction be set on base 10 ' with moving back and forth, portal frame 20 ' above has an X-axis horizontal
Beam 21 '；The Z axis bracket 30 ' is set to X-axis crossbeam 21 ' above and moves back and forth along the X-direction of X-axis crossbeam 21 '；Measurement dress
40 ' are set to be set to Z axis bracket 30 ' above and move back and forth along the Z-direction of Z axis bracket 30 '；In order to enable portal frame is mobile more
Be easy, air bearing mechanism 50 ' would generally be arranged in the both ends of portal frame 20 ', when Z axis bracket 30 ' is when X-axis crossbeam 21 ' above moves,
The stress at 20 ' both ends of portal frame can be different, and the floating gap that will lead to 20 ' both ends of portal frame changes and deviates toward one side,
As shown in Figure 1, the right side of portal frame 20 ' tilts, and forms gap d 1 between base 10 ', such as Fig. 2 when Z axis 30 ' moves to left
Shown, when Z axis bracket 30 ' moves to right, the left side of portal frame 20 ' is tilted, and gap d 2 is formed between base 10 '.In this way, surveying
Measure device 40 ' will one angle of beat, great adverse effect is caused to measurement.Therefore, it is necessary to be surveyed to three current coordinates
Amount machine improves.
Utility model content
In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of self-balancing
Three coordinate measuring machine, the both ends that can effectively solve existing three coordinate measuring machine portal frame can shift cause it is uneven and
The problem of influencing measurement.
To achieve the above object, the utility model is using following technical solution:
A kind of self-balancing three coordinate measuring machine, including organic block, portal frame, Z axis bracket and measuring device；The portal frame
Can Y direction be set on base with moving back and forth, on portal frame have an X-axis crossbeam；The Z axis bracket is set to X-axis crossbeam
Above and along the X-direction of X-axis crossbeam move back and forth；The measuring device is set on Z axis bracket and along the Z-direction of Z axis bracket
Move back and forth；Two air bearing mechanisms parallel to each other are provided on the base, air bearing mechanism extends along the y axis, the portal frame
Both ends are butted on respectively in two air bearing mechanisms；And counterweight and driving mechanism are provided on portal frame, which is movably disposed in X
On axis crossbeam, which is installed on the gantry, and driving mechanism drives counterweight and Z axis bracket to move in reverse direction.
As a preferred embodiment, the driving mechanism includes two driving wheels, a driving belt and a motor；This two
Driving wheel is installed in rotation on the both ends of X-axis crossbeam respectively, which connects two driving wheels, and driving belt is upper and lower
Section is fixed with counterweight and Z axis bracket respectively, which fixes on the gantry and one of driving wheel is driven to rotate.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Known to scheme:
By being provided with counterweight, and cooperate driving mechanism while counterweight and Z axis bracket being driven to move in reverse direction, so that imperial
The center of gravity of door frame is maintained at middle position, and portal frame both ends stress is identical, so that floating gap is identical, reaches self-balancing,
Portal frame is avoided to shift phenomenon, to be conducive to improve the precision of measurement.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the first state schematic diagram of the three coordinate measuring machine of tradition；
Fig. 2 is the second status diagram of the three coordinate measuring machine of tradition；
Fig. 3 is the structural schematic diagram of the preferred embodiment of the utility model.
Description of drawing identification:
10 ', pedestal 20 ', portal frame
21 ', X-axis crossbeam 30 ', Z axis bracket
40 ', measuring device 50 ', air bearing mechanism
10, base 20, portal frame
21, X-axis crossbeam 30, Z axis bracket
40, measuring device 50, air bearing mechanism
60, counterweight 70, driving mechanism
71, driving wheel 72, driving belt
73, motor.
Specific embodiment
Shown in referring to figure 3., that show the specific structures of the preferred embodiment of the utility model, including organic block
10, portal frame 20, Z axis bracket 30 and measuring device 40.
The portal frame 20 can Y direction be set to moving back and forth on base 10, on portal frame 20 have an X-axis crossbeam
21, portal frame 20 is by a driving device (not shown) drive activity.
The Z axis bracket 30 is set on X-axis crossbeam 21 and moves back and forth along the X-direction of X-axis crossbeam 21；The measuring device
40 are set on Z axis bracket 30 and move back and forth along the Z-direction of Z axis bracket 30.
Two air bearing mechanisms 50 parallel to each other are provided on the base 10, air bearing mechanism 50 extends along the y axis, the gantry
The both ends of frame 20 are butted on respectively in two air bearing mechanisms 50, so that portal frame 20 is easier rapidly to move along the y axis.
And counterweight 60 and driving mechanism 70 are provided on portal frame 20, which is movably disposed in X-axis crossbeam 21
On, which is mounted on portal frame 20, and driving mechanism 70 drives counterweight 60 and Z axis bracket 30 to move in reverse direction.
Specifically, the counterweight 60 is located at the top surface of X-axis crossbeam 21, the driving mechanism 70 includes two driving wheels 71, one transmission skin
Band 72 and a motor 73；Two driving wheel 71 is installed in rotation on the both ends of X-axis crossbeam 21 respectively, which connects
Two driving wheels 71 are connect, and the upper-lower section of driving belt 72 is fixed with counterweight 60 and Z axis bracket 30 respectively, which is fixed on dragon
On door frame 20 and one of driving wheel 71 is driven to rotate.
The working principle that the present embodiment is described in detail is as follows:
When work, driving device, driving mechanism 70 and measuring device 40 are respectively connected in the control system of equipment, and workpiece is set
In on base 10, then, control system controls driving device, driving mechanism 70 works, so that Z axis bracket 30 is mobile, measurement dress
It sets 40 and is moved to right above workpiece with Z axis bracket 30 and measured, Z axis bracket 30 in the process of moving, reversely move by counterweight 60
It is dynamic, so that the center of gravity of portal frame 20 is placed in the middle, so that the both ends component of portal frame 20 reaches balance, avoid portal frame 20 toward one
Side offset.
The design focal point of the utility model is: by being provided with counterweight, and cooperating driving mechanism while driving counterweight and Z
Bracing strut moves in reverse direction, so that the center of gravity of portal frame is maintained at middle position, portal frame both ends stress is identical, so that
Floating gap is identical, reaches self-balancing, and portal frame is avoided to shift phenomenon, to be conducive to improve the precision of measurement.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change
Change and modify, is still within the scope of the technical solutions of the present invention.
Claims (2)
1. a kind of self-balancing three coordinate measuring machine, including organic block, portal frame, Z axis bracket and measuring device；The portal frame can
Y direction is set on base with moving back and forth, and has an X-axis crossbeam on portal frame；The Z axis bracket is set on X-axis crossbeam
And move back and forth along the X-direction of X-axis crossbeam；The measuring device is set on Z axis bracket and comes along the Z-direction of Z axis bracket
Return is dynamic；It is characterized by: being provided with two air bearing mechanisms parallel to each other on the base, air bearing mechanism extends along the y axis, should
The both ends of portal frame are butted on respectively in two air bearing mechanisms；And counterweight and driving mechanism are provided on portal frame, the counterweight is movable
Ground is set on X-axis crossbeam, which installs on the gantry, and driving mechanism drives counterweight and Z axis bracket in reverse direction
It is mobile.
2. a kind of self-balancing three coordinate measuring machine according to claim 1, it is characterised in that: the driving mechanism includes
Two driving wheels, a driving belt and a motor；Two driving wheel is installed in rotation on the both ends of X-axis crossbeam respectively, the biography
Dynamic belt connects two driving wheels, and the upper-lower section of driving belt is fixed with counterweight and Z axis bracket respectively, which is fixed on gantry
On frame and one of driving wheel is driven to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820782485.8U CN208458701U (en) | 2018-05-24 | 2018-05-24 | A kind of self-balancing three coordinate measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820782485.8U CN208458701U (en) | 2018-05-24 | 2018-05-24 | A kind of self-balancing three coordinate measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458701U true CN208458701U (en) | 2019-02-01 |
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ID=65150034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820782485.8U Active CN208458701U (en) | 2018-05-24 | 2018-05-24 | A kind of self-balancing three coordinate measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208458701U (en) |
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2018
- 2018-05-24 CN CN201820782485.8U patent/CN208458701U/en active Active
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