CN213397001U - Measuring device with high precision - Google Patents
Measuring device with high precision Download PDFInfo
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- CN213397001U CN213397001U CN202120653968.XU CN202120653968U CN213397001U CN 213397001 U CN213397001 U CN 213397001U CN 202120653968 U CN202120653968 U CN 202120653968U CN 213397001 U CN213397001 U CN 213397001U
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Abstract
The utility model provides a measuring device with high precision, which comprises a base station, a position acquisition mechanism, a transmission adjusting mechanism and a sensor mechanism, wherein the position acquisition mechanism acquires the current coordinate of a workpiece to be measured before measurement; the transmission adjusting mechanism is used for adjusting the horizontal posture of the workpiece to be measured relative to the horizontal base according to the coordinates acquired by the position acquiring mechanism; the sensor mechanism comprises a sensor component and a first driving component, and the sensor component rotates around the central axis of the sensor component under the driving force of the first driving component according to the coordinates acquired by the position acquisition mechanism so as to match the posture of the workpiece to be measured on the transmission adjusting mechanism; the measuring equipment utilizes the position acquisition mechanism to acquire the coordinates before the product is measured, and the sensor mechanism and the conveying adjustment mechanism are adjusted according to the position coordinates of the product acquired by the camera, so that the matching degree of the posture adjustment of the sensor and the posture adjustment of the conveying adjustment mechanism is improved, and the measuring precision of the measuring equipment is improved.
Description
Technical Field
The utility model relates to a measuring equipment technical field especially relates to measuring equipment with high accuracy.
Background
At present, the measurement of products is generally contact measurement and non-contact measurement, the contact measurement has higher accuracy and reliability, but the contact measurement cost is higher due to the measurement datum point, the abrasion during contact and the like. The non-contact measurement has a fast measurement speed but insufficient accuracy compared with the contact measurement, and a sensor with higher accuracy is used for measurement at present in order to improve the accuracy of the non-contact measurement, such as: the mass of the sensor is heavier, and the inertia generated in the moving process is larger. Therefore, the multi-angle measurement of the product is realized by the adjustment of the sensor and the posture adjustment of the workpiece to be measured; however, the matching accuracy between the posture adjustment of the sensor and the posture adjustment of the workpiece to be measured still needs to be improved.
Disclosure of Invention
In view of this, the utility model provides a measuring equipment with high accuracy, this measuring equipment acquire the coordinate of the volume of awaiting measuring work piece through position acquisition mechanism, and the sensor carries out the gesture with conveying adjustment mechanism according to coordinate data and adjusts to improve the sensor and the matching precision of the volume of awaiting measuring between the work piece, further improve measurement accuracy.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses measuring equipment with high accuracy, including the measuring equipment body, the measuring equipment body includes:
the base station comprises a horizontal base and a vertical base, and the horizontal base is fixedly connected with the vertical base;
the position acquisition mechanism is positioned above the horizontal base and used for acquiring the current coordinates of the workpiece to be measured before measurement;
the conveying adjusting mechanism is fixedly arranged on the horizontal base, a workpiece to be measured is arranged on the conveying adjusting mechanism, and the conveying adjusting mechanism is used for adjusting the horizontal posture of the workpiece to be measured relative to the horizontal base according to the coordinates acquired by the position acquiring mechanism;
the sensor mechanism can be fixedly arranged on the vertical base and is positioned above the conveying and adjusting mechanism; the sensor mechanism comprises a sensor assembly and a first driving assembly, the first driving assembly is installed on one side of the sensor assembly, and the first driving assembly is fixedly connected with the vertical base; the sensor component rotates around the central axis of the sensor component under the driving force of the first driving component according to the coordinates acquired by the position acquisition mechanism so as to match the posture of the workpiece to be measured on the conveying and adjusting mechanism.
Preferably, the position acquisition mechanism comprises a camera, and the workpiece to be measured is photographed by the camera before measurement.
Preferably, the transport adjustment mechanism comprises a first transport assembly;
the first transmission assembly comprises a first transmission base platform, a first slide rail, a second driving assembly and a first slide block, the first transmission base platform is fixedly mounted on the horizontal base, the first slide rail and the second driving assembly are fixedly mounted on the first transmission base platform, the first slide rail is connected with the first slide block in a sliding mode, and the workpiece to be measured follows the first slide block to reciprocate along the direction of the first slide rail under the driving force of the second driving assembly.
Preferably, the transport adjustment mechanism comprises a second transport assembly;
the second conveying assembly comprises a second conveying base platform, a second sliding rail, a third driving assembly and a second sliding block, the second conveying base platform is fixedly connected with the first sliding block, the third driving assembly and the second sliding rail are fixedly mounted on the second conveying base platform, the second sliding block is connected with the second sliding rail in a sliding mode, and the workpiece to be measured moves back and forth along the direction of the second sliding rail along with the second sliding block under the driving force of the third driving assembly.
Preferably, the transport adjustment mechanism comprises a rotational adjustment assembly;
the rotary adjusting component comprises an adjusting base station, a rotor and a fourth driving component, the adjusting base station is fixedly connected with the second sliding block, the fourth driving component is fixedly arranged on the adjusting base station, one end of the rotor is connected with the fourth driving component, and the other end of the rotor is connected with the workpiece to be measured; the workpiece to be measured rotates along with the rotor under the driving force of the fourth driving component.
Preferably, the measuring apparatus body further includes a fixing component, the fixing component is fixedly connected with the rotor, the workpiece to be measured is placed on the fixing component, and the fixing component makes a rotational motion along with the rotor under the driving force of the fourth driving component, so as to adjust the posture of the workpiece to be measured in the horizontal direction.
Preferably, the fixing component comprises a fixing base platform, a vacuum extraction component and a plurality of suckers, the fixing base platform is fixedly connected with the rotor, the vacuum extraction component is fixedly installed in the fixing base platform, the suckers are fixedly installed on the fixing base platform, and the suckers absorb the workpiece to be measured under the action of the vacuum extraction component, so that the workpiece to be measured is fixed on the surface of the fixing base platform.
Preferably, the sensor assembly comprises a sensor, a sensor fixing seat and a rotating shaft, the sensor is fixedly installed on the sensor fixing seat, one end of the sensor fixing seat is movably connected with the first driving assembly, and the other end of the sensor fixing seat is fixedly connected with the rotating shaft.
The above technical scheme of the utility model one of following beneficial effect has at least:
the utility model discloses a measuring equipment with high accuracy, this measuring equipment utilize position acquisition mechanism to acquire the coordinate before the product measurement, and sensor mechanism adjusts according to the product position coordinate that the camera acquireed with conveying adjustment mechanism to improve the matching degree that the gesture of sensor was adjusted and conveying adjustment mechanism's gesture was adjusted, thereby improve measuring equipment's measurement accuracy.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a side view of an embodiment of the invention;
fig. 4 is a schematic structural diagram of an embodiment of the present invention;
fig. 5 is a schematic view of a partial structure according to an embodiment of the present invention.
Reference numerals:
1. a workpiece to be measured; 100. a measuring device body; 10. a coaxial assembly; 20. a sensor mechanism; 210. a sensor holder; 220. a first drive assembly; 230. a sensor; 231. a balancing weight; 30. a base station; 311. a first vertical base; 312. a second vertical base; 320. a horizontal base; 40. a lifting assembly; 611. A first transfer base; 612. a first slide rail; 613. a first slider; 621. A second transfer station; 622. a second slide rail; 623. a second slider; 631. Adjusting the base station; 710. Fixing the base station; 80. a position acquisition mechanism; 90. a counterweight assembly.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
In the prior art, due to the fact that the mass of the sensor is large, the position of the sensor can be fixed, and a workpiece to be measured moves in a matched mode, the whole measuring equipment occupies a large space and cannot achieve multi-angle measurement. The workpiece to be measured can be fixed, the sensor is matched with the motion measurement, and due to the fact that the mass of the sensor is large, the whole manufacturing cost of the measuring equipment is expensive and the precision is difficult to guarantee by the implementation of the measuring method. The multi-angle measurement of the product can be realized by adjusting the sensor attitude and the attitude of the workpiece to be measured respectively, but the matching precision between the sensor attitude adjustment and the attitude adjustment of the product to be measured is difficult to guarantee.
In view of the above problems, the present invention provides a measuring device with high accuracy, which can be used to measure the size, thickness, flatness, etc. of a workpiece to be measured; the measuring equipment utilizes the position acquisition mechanism to acquire the coordinates before the product is measured, and the sensor mechanism and the conveying adjustment mechanism are adjusted according to the position coordinates of the product acquired by the camera, so that the matching degree of the posture adjustment of the sensor and the posture adjustment of the conveying adjustment mechanism is improved, and the measuring precision of the measuring equipment is improved.
First, a measurement apparatus with high accuracy according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Specifically, as shown in fig. 1 to 5, the present invention provides a measuring device with high accuracy, which includes a measuring device body 100, wherein the measuring device body 100 includes a base, a position acquiring mechanism 80, a transmission adjusting mechanism 60, and a sensor mechanism 20; wherein the content of the first and second substances,
the base platform 30 includes a horizontal base 320 and a vertical base, and the horizontal base 320 is fixedly connected with the vertical base. The position acquisition mechanism 80 is fixedly mounted on the base 30, the position acquisition mechanism 80 is located above the horizontal base 320, and the position acquisition mechanism 80 acquires the current coordinates of the workpiece 1 to be measured. The position acquisition mechanism 80 is preferably a camera, but is not limited to a camera. Positional information of the workpiece 1 to be measured, i.e., coordinates of the workpiece 1 to be measured on the horizontal base 320 is acquired by the camera before measurement.
The conveyance adjusting mechanism 60 is fixedly mounted on the horizontal base 320, the workpiece 1 to be measured is placed on the conveyance adjusting mechanism 60, and the conveyance adjusting mechanism 60 is used to adjust the horizontal posture of the workpiece 1 to be measured with respect to the horizontal base 320 based on the coordinates acquired by the position acquiring mechanism 80. The sensor mechanism 20 can be fixedly arranged on a vertical base, and the sensor mechanism 20 is positioned above the conveying adjusting mechanism 60; the sensor mechanism 20 comprises a sensor component and a first driving component 220, the first driving component 220 is installed at one side of the sensor component, and the first driving component 220 is fixedly connected with the vertical base; the sensor assembly makes a rotational motion around its central axis according to the coordinates acquired by the position acquisition mechanism 80 under the driving force of the first driving assembly 220 to match the attitude of the workpiece 1 to be measured on the conveyance adjustment mechanism 60. The first drive assembly 220 is preferably, but not limited to, a DD motor. The DD motor drives the sensor assembly to rotate, so that the sensor can measure the workpiece 1 to be measured at multiple angles, and different measurement requirements are met.
The conveying adjusting mechanism 60 comprises a first conveying component, a second conveying component and a rotation adjusting component, wherein the first conveying component and the second conveying component are respectively used for conveying the measuring ranges of the workpiece 1 to be measured in two directions; the rotation adjusting assembly is used for adjusting the attitude of the workpiece 1 to be measured in the horizontal direction. Generally, after acquiring coordinate information of the workpiece 1 to be measured before measurement, the camera sends the coordinate information to the control system of the measuring equipment body 100, the control system sends an adjustment instruction to the transmission adjusting mechanism 60 and the sensor assembly according to the measurement requirement, and the transmission adjusting mechanism 60 and the sensor assembly respectively perform posture adjustment, so that the transmission adjusting mechanism 60 is matched with the sensor assembly, and the measurement precision is improved.
Specifically, as shown in fig. 1, 2 and 4, the conveyance adjusting mechanism 60 includes a first conveyance assembly; the first transmission assembly includes a first transmission base 611, a first slide rail 612, a second driving assembly and a first slide block 613, the first transmission base 611 is fixedly mounted on the horizontal base 320, the first slide rail 612 and the second driving assembly are fixedly mounted on the first transmission base 611, the first slide rail 612 is slidably connected with the first slide block 613, and the workpiece 1 to be measured reciprocates along the direction of the first slide rail 612 along with the first slide block 613 under the driving force of the second driving assembly. The second drive assembly is preferably, but not limited to, a linear motor. The first transfer unit is used to transfer the workpiece 1 to be measured to the target position, and the workpiece 1 to be measured is reciprocated in the X-axis direction in the coordinate system shown in fig. 4 by the driving force of the second driving unit.
Further, the conveying adjusting mechanism 60 further includes a second conveying assembly, the second conveying assembly includes a second conveying base 621, a second slide rail 622, a third driving assembly and a second slider 623, the second conveying base 621 is fixedly connected to the first slider 613, the third driving assembly and the second slide rail 622 are fixedly mounted on the second conveying base 621, the second slider 623 is slidably connected to the second slide rail 622, and the workpiece 1 to be measured reciprocates along the direction of the second slide rail 622 along with the second slider 623 under the driving force of the third driving assembly. The third drive assembly is preferably, but not limited to, a linear motor. The second conveying assembly has the same function as the first conveying assembly, namely, is used for conveying the workpiece 1 to be measured to the target position, preferably, the conveying direction of the second conveying assembly is perpendicular to the conveying direction of the first conveying assembly, and the displacement measuring range of the workpiece 1 to be measured in the horizontal direction is met by conveying the workpiece 1 to be measured in two directions. The workpiece 1 to be measured is reciprocated in the Y-axis direction in the coordinate system as shown in fig. 4 by the driving force of the third driving unit.
Further, the conveyance adjusting mechanism 60 includes a rotation adjusting assembly; the rotation adjusting assembly comprises an adjusting base 631, a rotor (not shown in the figure) and a fourth driving assembly (not shown in the figure), the adjusting base 631 is fixedly connected with the second slider 623, the fourth driving assembly is fixedly installed on the adjusting base 631, one end of the rotor is connected with the fourth driving assembly, and the other end of the rotor is connected with the workpiece 1 to be measured; the workpiece 1 to be measured makes a rotational motion following the rotor under the driving force of the fourth driving assembly. The fourth drive assembly is preferably, but not limited to, a DD motor. The workpiece 1 to be measured is driven by the DD motor to rotate so that the adjusted posture of the workpiece 1 to be measured is adapted to the posture required by the sensor 230. The workpiece 1 to be measured is rotated along the U-axis in the coordinate system as shown in fig. 4 by the drive of the DD motor. The sensor mechanism 20 adjusts the X-axis, the Y-axis and the U-axis of the workpiece 1 to be measured, so that the posture of the workpiece 1 to be measured matches the measurement requirement of the sensor 230, and the measurement accuracy of the workpiece 1 to be measured is improved.
As shown in fig. 1 and 2, the measuring apparatus body 100 further includes a fixing component, the fixing component is fixedly connected with the rotor, the workpiece 1 to be measured is placed on the fixing component, and the fixing component rotates along with the rotor under the driving force of the fourth driving component, so as to adjust the posture of the workpiece 1 to be measured in the horizontal direction. A fixed member is below the sensor mechanism 20, and the workpiece 1 to be measured is fixed to an upper surface of the fixed member. The fixing assembly comprises a fixing base 710, a vacuum extraction assembly and a plurality of suckers, the fixing base 710 is fixedly connected with the rotor, the vacuum extraction assembly is fixedly installed in the fixing base 710, the suckers are fixedly installed on the fixing base 710, and the suckers absorb the workpiece 1 to be measured under the action of the vacuum extraction assembly, so that the workpiece 1 to be measured is fixed on the surface of the fixing base 710.
As shown in fig. 5, the sensor assembly includes a sensor 230, a sensor holder 210 and a rotating shaft (not shown), the sensor 230 is fixedly mounted on the sensor holder 210, one end of the sensor holder 210 is movably connected to the first driving assembly 220, and the other end is fixedly connected to the rotating shaft. The sensor fixing base 210 is used for supporting and fixing the sensor, the rotating shaft is fixedly connected with the sensor fixing base 210, and the DD motor drives the sensor fixing base 210 and the sensor to rotate around the central axis of the DD motor. The sensor 230 is driven by the DD motor to rotate back and forth in the W direction as shown in fig. 3. The sensor assembly further includes a weight 231, and the weight 231 is mounted on the sensor holder 210, and the rotation axis of the sensor 230 is adjusted by mounting the weight 231. The rigid coaxial assemblies 10 are mounted on two sides of the sensor assembly, and the coaxial assemblies 10 ensure the coaxial precision of the sensor assembly when the sensor assembly rotates, so that the measurement precision of the measurement equipment is further improved.
In an embodiment of the present invention, as shown in fig. 4, the measuring apparatus body 100 further includes a lifting assembly 40, the lifting assembly 40 includes a third slide rail, a third slider and a fifth driving assembly, the third slide rail and the fifth driving assembly are fixedly mounted on the base 30, and the third slider is slidably connected to the third slide rail; the third sliding block reciprocates along the third sliding rail direction under the driving force of the fifth driving component. The fifth driving assembly is preferably a linear motor, and the precision of the linear motor is higher than that of a traditional screw rod module, and certainly not limited to the linear motor.
The vertical bases include a first vertical base 311 and a second vertical base 312, the first vertical base 311 and the second vertical base 312 are fixedly installed at two side edges of the horizontal base 320, and the sensor mechanism 20 is located between the first vertical base 311 and the second vertical base 312. The first vertical base 311 and the second vertical base 312 are respectively provided with a lifting assembly 40, and the sensor mechanism 20 reciprocates along the third slide rail direction under the driving force of the two fifth driving assemblies. Because the mass of the sensor 230 is large, the sensor 230 can be stopped at any position on the third slide rail by the dual-drive linear motor and the counterweight assembly 90, and the stability of the sensor 230 in the lifting process is improved.
The sensor mechanism 20 follows the third slider to move along the third sliding rail direction to measure different kinds of products. The sensor 230 in the sensor mechanism 20 is preferably a spectroscopic confocal sensor suitable for high precision and continuous non-contact measurement, although the sensor is not limited to a spectroscopic confocal sensor. The sensor 230 moves in the vertical direction under the driving of the fifth driving assembly, which not only can increase the measurement view of the workpiece 1 to be measured, but also can be compatible with different kinds of products.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A measuring apparatus with high precision, characterized by comprising a measuring apparatus body (100), the measuring apparatus body (100) comprising:
the base platform comprises a horizontal base (320) and a vertical base, and the horizontal base (320) is fixedly connected with the vertical base;
a position acquisition mechanism (80), wherein the position acquisition mechanism (80) is fixedly arranged on the base platform, the position acquisition mechanism (80) is positioned above the horizontal base (320), and the position acquisition mechanism (80) acquires the current coordinates of the workpiece (1) to be measured before measurement;
a conveying adjusting mechanism (60), wherein the conveying adjusting mechanism (60) is fixedly installed on the horizontal base (320), the workpiece (1) to be measured is placed on the conveying adjusting mechanism (60), and the conveying adjusting mechanism (60) is used for adjusting the horizontal posture of the workpiece (1) to be measured relative to the horizontal base (320) according to the coordinates acquired by the position acquiring mechanism (80);
the sensor mechanism (20), the sensor mechanism (20) can be fixedly installed on the vertical base, and the sensor mechanism (20) is positioned above the conveying adjusting mechanism (60); the sensor mechanism (20) comprises a sensor assembly and a first driving assembly (220), the first driving assembly (220) is installed on one side of the sensor assembly, and the first driving assembly (220) is fixedly connected with the vertical base; the sensor assembly performs rotary motion around the central axis thereof according to the coordinates acquired by the position acquisition mechanism (80) under the driving force of the first driving assembly (220) to match the attitude of the workpiece (1) to be measured on the conveyance adjustment mechanism (60).
2. Measuring device with high precision according to claim 1, characterized in that the position acquisition mechanism (80) comprises a camera by means of which the workpiece (1) to be measured is photographed before the measurement.
3. Measuring device with high precision according to claim 1, characterized in that the transport adjustment mechanism (60) comprises a first transport assembly;
the first transmission assembly comprises a first transmission base platform (611), a first sliding rail (612), a second driving assembly and a first sliding block (613), the first transmission base platform (611) is fixedly installed on the horizontal base (320), the first sliding rail (612) and the second driving assembly are fixedly installed on the first transmission base platform (611), the first sliding rail (612) is connected with the first sliding block (613) in a sliding mode, and the workpiece (1) to be measured moves back and forth along the direction of the first sliding rail (612) along with the first sliding block (613) under the driving force of the second driving assembly.
4. Measuring device with high precision according to claim 3, characterized in that the transport adjustment mechanism (60) comprises a second transport assembly;
the second conveying assembly comprises a second conveying base (621), a second sliding rail (622), a third driving assembly and a second sliding block (623), the second conveying base (621) is fixedly connected with the first sliding block (613), the third driving assembly and the second sliding rail (622) are fixedly installed on the second conveying base (621), the second sliding block (623) is in sliding connection with the second sliding rail (622), and the workpiece (1) to be measured moves back and forth along the direction of the second sliding rail (622) along with the second sliding block (623) under the driving force of the third driving assembly.
5. Measuring device with high precision according to claim 4, characterized in that the transport adjustment mechanism (60) comprises a rotation adjustment assembly;
the rotary adjusting component comprises an adjusting base (631), a rotor and a fourth driving component, the adjusting base (631) is fixedly connected with the second sliding block (623), the fourth driving component is fixedly installed on the adjusting base (631), one end of the rotor is connected with the fourth driving component, and the other end of the rotor is connected with the workpiece (1) to be measured; the workpiece (1) to be measured rotates along with the rotor under the driving force of the fourth driving component.
6. The measuring apparatus with high precision according to claim 5, characterized in that the measuring apparatus body (100) further comprises a fixing member fixedly connected with the rotor, the workpiece (1) to be measured is placed on the fixing member, and the fixing member follows the rotor to make a rotational movement under the driving force of the fourth driving member to adjust the attitude of the workpiece (1) to be measured in the horizontal direction.
7. The measuring apparatus with high precision according to claim 6, wherein the fixing component comprises a fixing base (710), a vacuum extracting component and a plurality of suction cups, the fixing base (710) is fixedly connected with the rotor, the vacuum extracting component is fixedly installed in the fixing base (710), the plurality of suction cups are fixedly installed on the fixing base (710), and the plurality of suction cups suck the workpiece (1) to be measured under the action of the vacuum extracting component, so that the workpiece (1) to be measured is fixed on the surface of the fixing base (710).
8. The measuring device with high precision according to claim 1, wherein the sensor assembly comprises a sensor (230), a sensor fixing seat (210) and a rotating shaft, the sensor (230) is fixedly installed on the sensor fixing seat (210), one end of the sensor fixing seat (210) is movably connected with the first driving assembly (220), and the other end of the sensor fixing seat is fixedly connected with the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120653968.XU CN213397001U (en) | 2021-03-31 | 2021-03-31 | Measuring device with high precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120653968.XU CN213397001U (en) | 2021-03-31 | 2021-03-31 | Measuring device with high precision |
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| Publication Number | Publication Date |
|---|---|
| CN213397001U true CN213397001U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120653968.XU Active CN213397001U (en) | 2021-03-31 | 2021-03-31 | Measuring device with high precision |
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| CN (1) | CN213397001U (en) |
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2021
- 2021-03-31 CN CN202120653968.XU patent/CN213397001U/en active Active
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