CN210089611U - Flatness out-of-tolerance continuous measuring device - Google Patents
Flatness out-of-tolerance continuous measuring device Download PDFInfo
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- CN210089611U CN210089611U CN201921007508.9U CN201921007508U CN210089611U CN 210089611 U CN210089611 U CN 210089611U CN 201921007508 U CN201921007508 U CN 201921007508U CN 210089611 U CN210089611 U CN 210089611U
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 230000000670 limiting effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 6
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- 229910001018 Cast iron Inorganic materials 0.000 description 1
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- 244000309464 bull Species 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a plane degree out of tolerance continuous measurement device, including the base platform, the device is still including locating the direction moving mechanism on the base platform, locating the direction moving mechanism on be used for adjusting the height control mechanism of mounting bracket height and locating the mounting bracket on through with the base platform on the work piece surface contact extrusion carry out the detection mechanism of test plane degree. The utility model discloses the precision is more accurate than clearance gauge operation, is less than three-dimensional detection and laser plane interferometer and measures, convenient operation, and for continuous measurement, can reduce the plane degree measurement degree of difficulty and the time of measuring plate-shaped part in a large number.
Description
Technical Field
The utility model belongs to the technical field of measuring device, concretely relates to plane degree over-tolerance continuous measurement device.
Background
At present, the flatness measurement of large parts mainly comprises feeler gauge detection, three-coordinate detection, laser plane interferometer measurement and the like. The feeler gauge detection is based on a plane gauge, and the feeler gauge is manually used for measurement; three-coordinate detection, namely moving an indicator on a sample to be measured during measurement, measuring data of each measuring point relative to a measuring reference according to selected distribution points, and evaluating flatness errors through data processing; and measuring by using a laser plane interferometer, forming an ideal plane by using the working surface of the optical flat crystal, and directly determining the flatness error value of the measured surface according to the bending degree of the interference fringes.
However, for feeler gauge detection, a worker needs to use a plane gauge when working, the larger the measuring workpiece is, the larger the required plane gauge is, and the larger the measuring workpiece is, and the working efficiency is very low because the feeler gauge is made of metal and needs to be operated by two or three persons in a coordinated manner; for three-coordinate detection, special equipment is needed, the measurement precision is high, but single-piece detection is adopted, the speed is low, and the cost is high; aiming at the measurement of the laser plane interferometer, the precision is high, the method is only suitable for the measurement in a small range, and the operation is complex. The existing method is not easy to adjust the adaptive height on the same measuring device for detecting workpieces with different thicknesses, and cannot give consideration to the difficulty degree and the timeliness of measurement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a plane degree out of tolerance continuous measurement device, the plane degree of work piece is convenient for measure to the purpose.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the device further comprises a guide moving mechanism arranged on the base platform, a height adjusting mechanism arranged on the guide moving mechanism and used for adjusting the height of an installation frame, and a detection mechanism arranged on the installation frame and used for testing the flatness through surface contact extrusion with a workpiece on the base platform.
The guide moving mechanism comprises two parallel guide rails and a supporting seat which is arranged on the guide rails and can move back and forth along the length direction of the guide rails.
The guide rail is a screw rod, the screw rod is installed on the base platform through a screw rod seat, and one ends of the two screw rods at the same side are connected through a transmission mechanism.
The screw is a ball screw, and the support seat is preferably a ball bearing seat.
The transmission mechanism comprises two belt wheels and a synchronous belt externally wound around the two belt wheels, and the two belt wheels are respectively arranged at one end of the two screw rods at the same side.
The height adjusting mechanism comprises a plurality of height adjusting screw rods, and two ends of the mounting rack are connected with the supporting seats on the two guide rails through the height adjusting screw rods respectively.
Detection mechanism includes data box, mount pad, extrusion piece, pinch roller, locates pressure acquisition mechanism and the elasticity canceling release mechanical system in the guide mounting groove of mount pad, data box and pressure acquisition mechanism communication connection, pressure acquisition mechanism passes through the elasticity canceling release mechanical system and is connected with the extrusion piece, the mount pad is connected with the mounting bracket, the bottom of extrusion piece is located to the pinch roller, the extrusion piece can be at the guide mounting inslot motion.
The pressure acquisition mechanism comprises a pressure sensor and a pressure block, the elastic reset mechanism comprises a first pressure spring, the pressure sensor is connected with one end of the first pressure spring through the pressure block, and the other end of the first pressure spring is connected with the top end of the extrusion block. The deformation reset direction of the first pressure spring is the same as the guide direction of the guide mounting groove.
The elastic reset mechanism further comprises a second pressure spring, the deformation reset direction of the second pressure spring is the same as the guide direction of the guide mounting groove, and two ends of the second pressure spring are connected with the top end of the extrusion block and the top end face of the guide mounting groove respectively.
The extrusion piece is equipped with the spill breach, the mount pad is equipped with a lateral wall and the spill breach that runs through the direction mounting groove and carries out spacing limit structure. The limiting structure is a limiting bolt, one end of the limiting bolt extending into the guide mounting groove is not in contact with the bottom surface of the concave notch, and the upper side wall and the lower side wall of the concave notch can form a limiting effect with the limiting bolt.
And a bull's eye ball is arranged on the top measuring end face of the base platform.
The utility model has the advantages that: the utility model discloses the precision is more accurate than clearance gauge operation, is less than three-dimensional detection and laser plane interferometer and measures, convenient operation, and for continuous measurement, can reduce the flatness measurement degree of difficulty and the time of measuring plate-shaped part in a large number, is applicable to the general flatness out-of-tolerance and < 3mm, allows the plate-shaped part batch measurement of flatness precision out-of-tolerance > 0.05 mm.
Drawings
The description includes the following figures, the contents shown are respectively:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the measurement assembly;
fig. 3 is a cross-sectional view of the measurement assembly.
Labeled as:
1. the measuring device comprises a workpiece, 2, a bull eye ball, 3, a base platform, 4, a screw rod seat, 5, a screw rod, 6, a data box, 7, a ball bearing seat, 8, a height adjusting screw rod, 9, a hand wheel, 10, a synchronous belt, 11, a belt wheel, 12, a measuring assembly, 13, an installation frame, 14, a limiting bolt, 15, a pressing wheel, 16, a pressure sensor, 17, a pressure block, 18, a first pressure spring, 19 and a second pressure spring, 20, an installation seat, 21, an extrusion block, 22 and a pin shaft.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation. It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.
As shown in fig. 1 to 3, a flatness out-of-tolerance continuous measurement device comprises a base platform 3, a rectangular or square platform can be manufactured by a bottom platform made of cast iron, the measurement device further comprises a guide moving mechanism arranged on the base platform 3, a height adjusting mechanism arranged on the guide moving mechanism and used for adjusting the height of an installation frame 13, and a detection mechanism arranged on the installation frame 13 and used for testing flatness through contact extrusion with the surface of a workpiece on the base platform 3. The height adjusting mechanism is arranged, and aims to adjust the distance between the mounting frame and the top end face of the base platform in an adaptive mode aiming at workpieces with different thicknesses, so that the situation that the workpieces with different thicknesses cannot be used as a universal word measuring device is avoided. The guide moving mechanism is arranged to play a role in guiding movement for the height adjusting mechanism, the mounting frame and the detection mechanism, and when the flatness of the workpiece needs to be measured, the detection mechanism can continuously detect the upper surface of the workpiece through the guide moving role of the guide moving mechanism. The top measuring end face of the base platform can be an integral plane, and of course, bull-eye balls can be distributed on the top measuring end face of the base platform, so that the workpiece mounting surfaces can be guaranteed to be in the same plane degree during detection.
The guide moving mechanism comprises two parallel guide rails and a supporting seat which is arranged on the guide rails and can move back and forth along the length direction of the guide rails. In particular, the guiding and moving mechanism may take the form of a slide rail slider, i.e. a slide rail as the guide rail and a slider as the support base. For example, two parallel slide rails are arranged on the base platform, the slide block can slide on the corresponding slide rails, the space region between the two slide rails is the detection region, the height adjusting mechanism is arranged on the slide block, and the slide block slides along the slide rails to further drive the height adjusting mechanism, the mounting frame and the detection mechanism to continuously detect the workpiece in the detection region. Of course, as a better embodiment, the guide rail is a screw rod 5, the screw rod 5 is installed on the base platform 3 through a screw rod seat 4, and one end of the two screw rods 3 at the same side is connected through a transmission mechanism. The transmission mechanism comprises two belt wheels 11 and a synchronous belt 10 externally wound around the two belt wheels 11, and the two belt wheels 11 are respectively arranged at one end of the two screw rods 5 at the same side. The transmission mechanism is arranged, so that two lead screws can synchronously rotate only by giving a lead screw rotating force, namely, two ball lead screws are connected through a synchronous belt pulley and a synchronous belt and synchronously move. Of course, the transmission mechanism can also be realized by other existing transmission structures. The screw is preferably a ball screw, and the support seat is preferably a ball bearing seat 7. During implementation, a hand wheel 9 can be arranged at one end of one screw rod, and the ball screw rod is driven to rotate by using the hand wheel, or a servo motor is arranged, and the ball screw rod is driven to rotate by using the servo motor.
The height adjusting mechanism comprises a plurality of height adjusting screw rods 8 or height adjusting screw studs, the height adjusting screw rods and the height adjusting screw studs are only slightly different in shape structure, functions to be realized by the height adjusting screw rods are similar, the height adjusting screw rods are explained below, two ends of the mounting rack are respectively connected with supporting seats on two guide rails through the height adjusting screw rods, particularly, two ends of the mounting rack are connected with ball bearing seats on corresponding lead screws through the two height adjusting screw rods, a left-handed nut and a right-handed nut are respectively arranged at two ends of each adjusting screw rod, and when the mounting rack rotates, the nuts at two ends are close to or far away from the centers of the screw rods simultaneously, so that height adjustment of the mounting rack is realized, and then height adjustment of the detection mechanism installed on the mounting rack from a base platform.
Detection mechanism includes data box 6 and measuring component, measuring component includes mount pad 20, extrusion piece 21, pinch roller 15, locate pressure acquisition mechanism and the elasticity canceling release mechanical system in the direction mounting groove of mount pad 20, data box 6 and pressure acquisition mechanism communication connection, pressure acquisition mechanism passes through the elasticity canceling release mechanical system and is connected with extrusion piece 21, mount pad 20 is connected with mounting bracket 13, pinch roller 15 locates the bottom of extrusion piece 21, extrusion piece 21 can move in the direction mounting groove. During implementation, the pressing wheel 15 is connected with the bottom end of the extrusion block 21 through the pin shaft 22, the mounting seat is fixedly connected with the mounting frame through a bolt, the data box is fixed on the mounting frame, one part of the extrusion block is located in the guide mounting groove, and the extrusion block can move along the guide direction of the guide mounting groove. As shown in fig. 3, the extrusion block can float up and down in the guide installation groove due to the action of the elastic buffer restoring force.
The pressure acquisition mechanism comprises a pressure sensor 16 and a pressure block 17, the elastic reset mechanism comprises a first pressure spring 18, the pressure sensor 16 is connected with one end of the first pressure spring 18 through the pressure block 17, and the other end of the first pressure spring 18 is connected with the top end of the extrusion block 21. Particularly, pressure sensor adopts resistance-type pressure sensor, and the pressure sensor terminal inserts the data box, realizes communication connection, and the top contact of pressure piece is mortgage resistance-type pressure sensor, and the bottom of pressure piece is connected with the top of extrusion piece through first pressure spring, and the deformation of first pressure spring 18 resets the direction the same with the direction of direction mounting groove. In order to facilitate the inspection of the concave plane of the workpiece, the elastic reset mechanism further comprises a second compression spring 19, the deformation reset direction of which is the same as the guide direction of the guide mounting groove, and two ends of the second compression spring 19 are respectively connected with the top end of the extrusion block 21 and the top end surface of the guide mounting groove. In order to avoid the phenomenon that the extrusion block breaks away from the guide mounting groove, the extrusion block 21 is provided with a concave notch, and the mounting seat 20 is provided with a limiting structure which penetrates through one side wall of the guide mounting groove and is limited by the concave notch. The limiting structure is a limiting bolt 14, one end of the limiting bolt 14 extending into the guide mounting groove is not in contact with the bottom surface of the concave notch, and the upper side wall and the lower side wall of the concave notch can form a limiting effect with the limiting bolt.
During operation, the work piece jacks up the gyro wheel, and then drives whole extrusion piece upward movement in the direction mounting groove, and first pressure spring 18 is compressed, conducts pressure to resistance-type pressure sensor through the pressure piece, and resistance-type pressure sensor experiences pressure, converts digital signal into and gathers the data box to send computer analysis data, finally obtain the result. When the workpiece is sunken, the second pressure spring presses down the extrusion block, the first pressure spring rebounds, the pressure applied to the resistance type pressure sensor is reduced, and data change along with the pressure.
The measuring method of the flatness out-of-tolerance continuous measuring device comprises the following steps:
the method comprises the following steps that firstly, a standard measuring block is arranged on a base platform and located in a measuring area between two guide rails, and the height of an installation frame is adjusted to determine a standard measuring value of a pressure sensor;
and step two, placing the workpiece in a measuring area, rolling the workpiece by the detection mechanism through rotating the screw rod, and acquiring data through the pressure sensor and transmitting the data into the computer through the data box to obtain a measuring result.
The method is implemented during specific operation, firstly, the thickness of a measured workpiece is determined, standard gauge blocks with the same thickness are placed in a measuring area, the height of an installation frame is adjusted through four height adjusting screws (the two ends of each adjusting screw are respectively provided with a left-handed thread and a right-handed thread, and nuts at the two ends are close to or far away from the center of each screw during rotation), and the measured values of all pressure sensors are adjusted to the middle position (the measuring range of the pressure sensors is 100-10000 g and is adjusted to 1000 g). And then taking down the gauge block and paving the workpiece in the detection area. The hand wheel or the servo motor is used for driving the ball screw to rotate, the pressing wheel passes through the upper portion of the workpiece at a constant speed, the roller is jacked up when the workpiece, the first pressure spring 18 is compressed, pressure is transmitted to the resistance-type pressure sensor through the pressure block, the resistance-type pressure sensor senses the pressure, the pressure is converted into a digital signal and is collected into the data box, and the data is transmitted to the computer through the data box to obtain a final result. When the workpiece is sunken, the second pressure spring presses down the extrusion block, the first pressure spring rebounds, the pressure on the resistance-type pressure sensor is reduced, the resistance-type pressure sensor is converted into a digital signal and collected into a data box, and the data is transmitted to a computer through the data box and then is changed.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (9)
1. The device is characterized by further comprising a guide moving mechanism arranged on the base platform, a height adjusting mechanism arranged on the guide moving mechanism and used for adjusting the height of an installation frame, and a detection mechanism arranged on the installation frame and used for testing the flatness through contact extrusion with the surface of a workpiece on the base platform.
2. The apparatus according to claim 1, wherein the guiding and moving mechanism comprises two parallel guide rails and a supporting base disposed on the guide rails and capable of moving back and forth along the length direction of the guide rails.
3. The flatness out-of-tolerance continuous measuring device according to claim 2, wherein the guide rail is a screw rod, the screw rod is installed on the base platform through a screw rod seat, and one ends of the two screw rods at the same side are connected through a transmission mechanism.
4. The flatness out-of-tolerance continuous measuring device according to claim 3, wherein the transmission mechanism comprises two belt wheels and a synchronous belt externally wound around the two belt wheels, and the two belt wheels are respectively arranged at one end of the two screw rods at the same side.
5. The flatness out-of-tolerance continuous measuring device of claim 2, wherein the height adjusting mechanism comprises a plurality of height adjusting screws, and two ends of the mounting rack are respectively connected with the supporting seats on the two guide rails through the height adjusting screws.
6. The flatness out-of-tolerance continuous measuring device according to claim 1, wherein the detecting mechanism comprises a data box, a mounting seat, an extrusion block, a pressing wheel, a pressure collecting mechanism and an elastic reset mechanism, the pressure collecting mechanism and the elastic reset mechanism are arranged in a guide mounting groove of the mounting seat, the data box is in communication connection with the pressure collecting mechanism, the pressure collecting mechanism is connected with the extrusion block through the elastic reset mechanism, the mounting seat is connected with the mounting frame, the pressing wheel is arranged at the bottom end of the extrusion block, and the extrusion block can move in the guide mounting groove.
7. The flatness out-of-tolerance continuous measuring device according to claim 6, wherein the pressure collecting mechanism comprises a pressure sensor and a pressure block, the elastic reset mechanism comprises a first pressure spring, the pressure sensor is connected with one end of the first pressure spring through the pressure block, and the other end of the first pressure spring is connected with the top end of the extrusion block.
8. The flatness out-of-tolerance continuous measuring device according to claim 6, wherein the elastic reset mechanism further comprises a second pressure spring having a deformation reset direction the same as the guide direction of the guide mounting groove, and both ends of the second pressure spring are respectively connected with the top end of the extrusion block and the top end surface of the guide mounting groove.
9. The flatness out-of-tolerance continuous measuring device according to claim 6, wherein the extrusion block is provided with a concave notch, and the mounting seat is provided with a limiting structure which penetrates through one side wall of the guide mounting groove to limit the concave notch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007508.9U CN210089611U (en) | 2019-07-01 | 2019-07-01 | Flatness out-of-tolerance continuous measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921007508.9U CN210089611U (en) | 2019-07-01 | 2019-07-01 | Flatness out-of-tolerance continuous measuring device |
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| CN210089611U true CN210089611U (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186371A (en) * | 2019-07-01 | 2019-08-30 | 芜湖力钧轨道装备有限公司 | A kind of overproof continuous measuring device of flatness and its measurement method |
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- 2019-07-01 CN CN201921007508.9U patent/CN210089611U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186371A (en) * | 2019-07-01 | 2019-08-30 | 芜湖力钧轨道装备有限公司 | A kind of overproof continuous measuring device of flatness and its measurement method |
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