CN217132123U - Flatness measuring device - Google Patents

Flatness measuring device Download PDF

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Publication number
CN217132123U
CN217132123U CN202220270784.XU CN202220270784U CN217132123U CN 217132123 U CN217132123 U CN 217132123U CN 202220270784 U CN202220270784 U CN 202220270784U CN 217132123 U CN217132123 U CN 217132123U
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platform
rotary
support plate
hole
rotating
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王雷
刘璐
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Shanghai Boiler Works Co Ltd
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Shanghai Boiler Works Co Ltd
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Abstract

The utility model provides a flatness measuring device, which relates to the technical field of flatness measurement and comprises a distance meter, a rotary platform, a support rod, an upper support disc, a lower support disc, a rotary platform fastening adjusting screw and a base, wherein the rotary platform comprises a rotary seat and a distance meter fastening screw, the bottom of the rotary seat is provided with a rotary groove, the side wall of the rotary seat is provided with a rotary platform fastening hole, and the support rod comprises a support platform, a middle support column and a support rod fastening screw; the rotating platform rotates around the supporting platform through the rotating groove, and the distance measuring instrument is guaranteed to rotate around the supporting rod together with the rotating platform; the lower support disc increases the contact area, the movement of the rotary groove around the support platform is avoided, and the upper support disc enables the lower plane of the distance measuring instrument to be tightly attached to the upper plane of the upper support disc and the upper plane of the rotary seat; the utility model provides a method for measuring flatness, convenient operation, the reading is directly perceived, and measuring time is short and data is accurate, and the range of application is wide.

Description

Flatness measuring device
Technical Field
The utility model belongs to the technical field of the flatness is measured, especially, relate to a flatness measuring device.
Background
The platform is an important standard for product assembly, and the flatness of the platform needs to be measured and debugged before the product is assembled. The flatness measurement of the assembly standard such as a platform is often performed by using precision measurement equipment, but the precision measurement equipment is expensive and costly, and requires a high skill of a measuring person and requires a long measurement time.
Therefore, the flatness measuring device which is simple and convenient to use and accurate in measuring result needs to be developed to measure the flatness of the assembly platform, and the requirements of field product assembly are met.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model aims to provide a flatness measuring device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a flatness measuring device, include distancer, supporting part and the base that connects gradually from the top down, the supporting part includes rotary platform and bracing piece, rotary platform is located the top of bracing piece, rotary platform rotatably installs the distancer with between the bracing piece, the lower extreme of bracing piece with the base is connected.
The supporting part plays joint support and keeps distancer horizontal pivoted effect, and the effect of base is the stable and support (hold up) bracing piece.
Furthermore, rotary platform includes roating seat and distancer fastening screw, distancer fastening screw be located roating seat top and with the roating seat is connected, the swivelling chute is seted up to the bottom of roating seat, rotary platform fastening hole is seted up to the lateral wall of roating seat, rotary platform fastening hole with the roating chute intercommunication.
The distance measuring instrument is fixedly connected with the rotating platform by inserting the distance measuring instrument fastening screw into the screw hole in the lower portion of the distance measuring instrument.
Further, the support rod comprises a support platform and a middle support column, and the support platform is located above the middle support column and connected with the middle support column.
Furthermore, the support rod further comprises a support rod fastening screw, the support rod fastening screw is located below the middle support column and connected with the middle support column, a screw hole is formed in the base, and the support rod fastening screw is inserted into the screw hole of the base to fixedly connect the support rod with the base.
Further, the supporting part still includes supporting disk, bottom suspension fagging and rotary platform fastening adjusting screw, go up the supporting disk with respectively set up a through-hole on the bottom suspension fagging, be supporting disk through-hole and bottom suspension fagging through-hole respectively, it is located to go up the supporting disk the distancer with between the roating seat, the bottom suspension fagging is located the roating seat with between the middle support post, through with rotary platform fastening adjusting screw precession realize in the rotary platform fastening hole right rotary platform's is fixed.
The distancer fastening screw of rotary platform top passes go up the supporting disk through-hole with the distancer is connected, will go up the supporting disk and install the distancer with between the roating seat, it is gapped with rotary platform's upper end to go up the lower plane that the supporting disk can avoid the distancer, ensures screwing of distancer fastening screw for the lower plane of distancer is in the same place with the inseparable laminating in last plane of last supporting disk and roating seat.
The supporting platform above the middle supporting column penetrates through the lower supporting disk through hole to enter the rotary groove, the lower supporting disk is installed between the rotary platform and the supporting rod, the rotary platform is rotated to realize the change of the measuring direction of the range finder, and then the rotary platform fastening adjusting screw is screwed into the rotary platform fastening hole to press the supporting platform tightly, so that the effect of fixing the rotary platform is achieved.
The rotating platform has the function of rotating around the supporting platform through the rotating groove, so that the distance measuring instrument is ensured to rotate around the supporting rod together with the rotating platform; the effect of lower supporting disk is to increase area of contact, takes place the drunkenness when avoiding the swivelling chute to rotate around supporting platform.
Further, go up the supporting disk with the shape of under bracing dish is circular, it is located to go up the supporting disk through-hole go up the central point that supports the dish puts, the under bracing dish through-hole is located the central point that supports the dish puts down, supporting platform's shape is the cylinder.
Further, the base is a V-shaped magnet, and one side of the V-shaped magnet is provided with a magnetic switch.
Since the object platform is generally made of carbon steel, the base is preferably a V-shaped magnet, and the flatness measuring device is fixed on the object platform by turning on or off the magnetism of the V-shaped magnet through a magnetic switch.
The V-shaped magnet is a common tool in workshop production, and the lower part of the V-shaped magnet is in a large V shape, namely an adjustable magnetic tool.
The utility model provides a method for utilizing above-mentioned flatness measuring device to measure the plane degree, need be with the help of the reading device that has the scale during measurement plane degree, this measuring method specifically includes following step:
step 1: placing, namely fixedly placing a base of the flatness measuring device in a middle area on the platform of the object to be measured, and placing a reading device in an edge area on the platform of the object to be measured;
step 2: positioning, namely opening the distance measuring instrument, screwing out a rotary platform fastening adjusting screw from a rotary platform fastening hole, enabling the rotary platform to rotate along the supporting platform through a rotary groove, enabling a laser point emitted by the distance measuring instrument to fall on a reading device, and screwing in the rotary platform fastening adjusting screw to fix the rotary platform;
and step 3: and measuring, reading and recording the scale value of the laser point falling on the reading device in the step 2, then placing the reading device at other edge area positions on the platform of the object to be measured, and reading and recording the scale value of the laser point falling on the reading device.
And finally, calculating the flatness of the platform of the object to be measured according to the scale values on the reading device which are read and recorded.
The reading device only needs to be provided with scale marks, and a steel ruler or other scale with scale marks on the market can be adopted.
Further, before the step 1, a step 0 of horizontal adjustment is also included, and the specific steps are as follows:
step 01: measuring deviation, namely placing a flatness measuring device in the middle area of a precision flat plate, respectively placing reading devices in four directions of the edge of the precision flat plate, and respectively reading and recording scale values of laser points falling on the reading devices in the four directions by rotating a rotary platform to obtain the horizontal deviation of the distance meter;
in China, the 1-level, 0-level, 00-level and 000-level flat plates are called precision flat plates, the precision flat plates are generally used for the measurement, scribing, manufacturing and other processes of precision parts, the surfaces of the precision flat plates are smooth and flat, the surface roughness and the flatness error are low, the precision flat plates are rectangular, and the precision flat plates are usually made of marble.
Step 02: grinding, namely taking down the rotary platform and the range finder, and grinding the upper surface of the supporting platform;
step 03: and (4) horizontally calibrating, polishing and installing the rotary platform and the range finder, and operating according to the method in the steps 01 and 02 until the readings of the laser points emitted by the range finder falling on the reading devices in all directions are equal.
Has the advantages that:
the utility model provides a flatness measuring device, including distancer, rotary platform, bracing piece, upper supporting disk, lower supporting disk, rotary platform fastening adjusting screw and base, rotary platform includes roating seat and distancer fastening screw, and the swivelling chute is seted up to the bottom of roating seat, and rotary platform fastening hole is seted up to the lateral wall of roating seat, and the bracing piece includes supporting platform, middle support column and bracing piece fastening screw; screwing a support rod fastening screw into a plane screw hole on the base and screwing the support rod and the base, inserting the lower support disc into the support platform, placing the rotary platform on the support platform through the rotary groove, connecting the rotary platform fastening adjusting screw on the rotary platform through the rotary platform fastening hole, inserting the upper support disc into a range finder fastening screw, and fixing the range finder fastening screw and the range finder together through a screw hole at the lower end of the range finder; the flatness measuring device is simple in structure and convenient to carry, and the production cost is greatly reduced by using the large-size precise flatness measuring equipment. Utilize the utility model provides a method for flatness measuring device measures the plane degree, convenient operation, the reading is directly perceived, and measuring time is short and data is accurate, and the range of application is wide.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic front view of a flatness measuring apparatus;
FIG. 2 is a left side view of the flatness measuring apparatus;
FIG. 3 is a schematic cross-sectional view of a rotary platform structure;
FIG. 4 is a schematic top view of a rotating platform configuration;
FIG. 5 is a front view of the upper support plate;
FIG. 6 is a schematic top view of the upper support plate structure;
FIG. 7 is a schematic front view of the structure of the lower support plate;
FIG. 8 is a schematic top view of the lower support tray structure;
FIG. 9 is a schematic front view of a support rod structure;
FIG. 10 is a schematic view of a flatness measuring apparatus;
due to the long support rod, the drawing is omitted in the form of a natural fracture line;
the reference numbers are as follows:
1. a platform of an object to be tested; 2. a flatness measuring device; 3. a reading device; 4. rotating the platform; 5. a range finder fastening screw; 6. a rotating tank; 7. a rotary platform fastening hole; 8. the rotating platform fastens the adjusting screw; 9. an upper support tray; 10. an upper support disc through hole; 11. a lower support disc; 12. a lower support disc through hole; 13. a support bar; 14. a support rod fastening screw; 15. a support platform; 16. a V-shaped magnet; 17. a magnetic switch; 18. a distance measuring instrument.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example (b):
in a preferred embodiment, as shown in fig. 1-9, a flatness measuring device is provided, which comprises a distance meter 18, a support portion and a base, which are connected in sequence from top to bottom.
The distance meter 18 functions to emit a laser beam parallel to the plane being measured.
The supporting part includes rotary platform 4, bracing piece 13, goes up supporting disk 9, lower supporting disk 11 and rotary platform fastening adjusting screw 8, and the supporting part plays joint support and keeps 18 horizontal pivoted effects of distancer, and the effect of base is stable and support (hold up) bracing piece 13.
Rotary platform 4 is located the top of bracing piece 13, rotary platform 4 includes roating seat and distancer 18 fastening screw 5, distancer 18 fastening screw 5 is located the roating seat top and is connected with the roating seat, realize the fixed connection of distancer 18 and rotary platform 4 in inserting the screw of 18 lower parts of distancer through 18 fastening screw 5 with the distancer, rotary slot 6 is seted up to the bottom of roating seat, rotary platform fastening hole 7 is seted up to the lateral wall of roating seat, rotary platform fastening hole 7 communicates with rotary slot 6, rotary platform 4 rotatably installs between distancer 18 and bracing piece 13.
The support rod 13 comprises a support platform 15, a middle support column and a support rod fastening screw 14, the support platform 15 is located above the middle support column and connected with the middle support column, the support rod fastening screw 14 is located below the middle support column and connected with the middle support column, and the rotary platform 4 is used for rotating around the support platform 15 through the rotary groove 6, so that the distance measuring instrument 18 is guaranteed to rotate around the support rod 13 together with the rotary platform.
Go up and respectively set up a through-hole on supporting disk 9 and the bottom suspension fagging 11, be respectively supporting disk through-hole 10 and bottom suspension fagging through-hole 12, go up supporting disk 9 and lie in between distancer 18 and the roating seat, bottom suspension fagging 11 lies in between roating seat and the middle support column, realizes fixing rotary platform 4 through the revolving platform fastening hole 7 with rotary platform fastening adjusting screw 8 precession. The lower support plate 11 serves to increase the contact area and prevent play of the rotary slot 6 when it rotates around the support platform 15.
The 18 fastening screws 5 of distancer above rotary platform 4 pass support disc through-hole 10 and are connected with distancer 18, will go up support disc 9 and install between distancer 18 and roating seat, it is gapped with rotary platform 4's upper end to go up the lower plane that support disc 9 can avoid distancer 18, ensures screwing of 18 fastening screws 5 of distancer for the lower plane of distancer 18 is in the same place with the inseparable laminating in last support disc and the roating seat.
Supporting platform 15 above the middle supporting column penetrates through lower supporting plate through hole 12 to enter rotary groove 6, lower supporting plate 11 is installed between rotary platform 4 and supporting rod 13, rotary platform 4 is rotated to realize the change of distance meter 18 in the measuring direction, and then rotary platform fastening adjusting screw 8 is screwed into rotary platform fastening hole 7 to compress supporting platform 15, so that the function of fixing rotary platform 4 is achieved.
The upper supporting disc 9 and the lower supporting disc 11 are both circular, the upper supporting disc through hole 10 is located in the center of the upper supporting disc 9, the lower supporting disc through hole 12 is located in the center of the lower supporting disc 11, and the supporting platform 15 is cylindrical.
Since the object to be measured is generally made of carbon steel, the base is preferably a V-shaped magnet 16, a magnetic switch 17 is disposed on one side of the V-shaped magnet 16, and the flatness measuring device 2 is fixed on the object platform 1 by turning on or off the magnetism of the V-shaped magnet 16 through the magnetic switch 17. A screw hole is formed in the V-shaped magnet 16, and a support rod fastening screw 14 is inserted into the screw hole of the base to fixedly connect the support rod 13 with the base.
As shown in fig. 10, the utility model provides a method for measuring flatness by using the above flatness measuring device, which needs to use a reading device 3 with scales when measuring flatness, and the measuring method specifically comprises the following steps:
step 0, horizontal adjustment, which comprises the following specific steps:
step 01: measuring deviation, namely placing the flatness measuring device 2 in the middle area of the precision flat plate, placing the reading devices 3 in four directions of the edge of the precision flat plate respectively, pressing a starting switch of the distance measuring instrument 18 to enable the distance measuring instrument 18 to be in a starting state, loosening the fastening adjusting screws 8 of the rotary platform, enabling the rotary platform 4 to rotate along the supporting platform 15 through the rotary groove 6, and reading and recording scale value readings of laser points, which are emitted by the distance measuring instrument 18 and fall on the reading devices 3 in the four directions respectively through rotating the rotary platform 4 to obtain the horizontal deviation of the distance measuring instrument 18;
in this embodiment, the precision plane is a 0-level flat plate made of black marble, and has a rectangular shape and a smooth and flat surface.
Step 02: grinding, namely taking down the rotary platform 4 and the range finder 18, and slightly grinding the upper surface of the supporting platform 15 by using a fine-tooth file;
step 03: and (4) horizontally calibrating, polishing, installing the rotating platform 4 and the distance measuring instrument 18, and operating according to the method of the steps 01 and 02 until the readings of the laser points emitted by the distance measuring instrument 18 falling on the reading devices 3 in all directions are equal.
At this time, the distance measuring instrument 18 is in a horizontal state, the emitted laser beam is a horizontal line, and the plane formed by the emitted laser beam is a horizontal plane along with the rotation of the rotating platform 4 by the distance measuring instrument 18.
After the leveling is finished, the subsequent measurement does not need to be performed again.
Step 1: placing, namely placing the V-shaped magnet 16 of the flatness measuring device 2 in the middle area of the platform 1 of the object to be measured, turning on the magnetic switch 17 for fixing, and placing the reading device 3 in the edge area of the platform 1 of the object to be measured;
step 2: positioning, opening the distance measuring instrument 18, screwing out the rotating platform fastening adjusting screw 8 from the rotating platform fastening hole 7, rotating the rotating platform 4 along the supporting platform 15 through the rotating groove 6, enabling a laser point emitted by the distance measuring instrument 18 to fall on the reading device 3, and screwing in the rotating platform fastening adjusting screw 8 to fix the rotating platform 4;
and step 3: and measuring, reading and recording the scale value of the laser point falling on the reading device 3 in the step 2, then placing the reading device 3 at other edge area positions on the object platform 1, and reading and recording the scale value of the laser point falling on the reading device 3.
And finally, calculating the flatness of the platform 1 of the object to be measured according to the scale values on the reading device 3 which are read and recorded, and correspondingly adjusting according to the flatness deviation.
The reading device 3 only needs to be provided with scale marks, and a steel ruler or other scale with scale marks on the market can be adopted.
The manufacturing method of the flatness measuring apparatus 2 provided in this embodiment is as follows:
1. find an aluminum alloy material, process into a diameter 16mm earlier, height 20 mm's cylinder, preparation rotary platform 4, it is 6mm to process into a diameter in the upper end of cylinder, length 5 mm's distancer fastening screw 5, the lower extreme is processed into internal diameter 10mm, the degree of depth is 13 mm's swivelling chute 6, and bore the through-hole of attacking a diameter 3mm in the side of swivelling chute 6, for rotary platform fastening hole 7, finish turning a diameter 3 mm's screw, for rotary platform fastening adjusting screw 8.
2. And then finding an aluminum alloy material, finely turning two cylindrical supporting disks with the diameters of 30mm, namely an upper supporting disk 9 and a lower supporting disk 11, respectively, and respectively processing a through hole with the diameter of 6mm and a through hole with the diameter of 10mm along the axes of the upper supporting disk 9 and the lower supporting disk 11 to form the through hole 10 of the upper supporting disk and the through hole 12 of the lower supporting disk.
3. A copper bar in a quadrangular shape is found, a supporting rod 13 is manufactured, a screw with the diameter of 8mm and the length of 12mm is finely turned at the lower end of the copper bar, and a fastening screw 14 is used as the supporting rod; a cylindrical supporting platform 15 with the diameter of 10mm and the height of 15mm is finely turned at the upper end of the copper rod, an intermediate support column is arranged in the middle area of the copper rod, and the perpendicularity between the upper plane of the supporting platform 15 and the intermediate support column needs to be guaranteed during fine machining.
4. A V-shaped magnet 16 of a magnetic watch base is found.
5. The support rod fastening screw 14 is put into a plane screw hole on the V-shaped magnet 16 and screwed tightly, so that the support rod 13 and the V-shaped magnet 16 are fixed together; placing the lower support plate 11 in the support platform 15 at the upper end of the support bar 13; then the rotary platform 4 is placed on the supporting platform 15 through the rotary groove 6, and the rotary platform fastening adjusting screw 8 is connected to the rotary platform 4 through the rotary platform fastening hole 7; the upper support plate 9 is placed in the fastening screw 5 of the distance measuring instrument 18, and the fastening screw 5 of the distance measuring instrument is fixed with the distance measuring instrument 18 through a screw hole at the lower end of the distance measuring instrument 18.
The rotary platform 4, the upper support plate 9, the lower support plate 11, the support rod 13, the V-shaped magnet 16 and the distance meter 18 constitute the flatness measuring apparatus 2.

Claims (6)

1. The utility model provides a flatness measuring device, its characterized in that includes distancer (18), supporting part and the base that connects gradually from the top down, the supporting part includes rotary platform (4) and bracing piece (13), rotary platform (4) are located the top of bracing piece (13), rotary platform (4) are rotatably installed distancer (18) with between bracing piece (13), the lower extreme of bracing piece (13) with the base is connected.
2. The flatness measuring device according to claim 1, wherein the rotating platform (4) comprises a rotating base and a distance meter fastening screw (5), the distance meter fastening screw (5) is located above the rotating base and connected with the rotating base, a rotating groove (6) is formed in the bottom of the rotating base, a rotating platform fastening hole (7) is formed in the side wall of the rotating base, and the rotating platform fastening hole (7) is communicated with the rotating groove (6).
3. The flatness measuring device according to claim 2, characterized in that the support bar (13) comprises a support platform (15) and an intermediate support column, the support platform (15) being located above and connected to the intermediate support column.
4. The flatness measuring device according to claim 3, wherein the support further includes an upper support plate (9), a lower support plate (11) and a rotation platform fastening adjusting screw (8), the upper support plate (9) and the lower support plate (11) are respectively provided with a through hole, namely an upper support plate through hole (10) and a lower support plate through hole (12), the upper support plate (9) is located between the distance measuring instrument (18) and the rotation base, the lower support plate (11) is located between the rotation base and the middle support column, and the rotation platform (4) is fixed by screwing the rotation platform fastening adjusting screw (8) into the rotation platform fastening hole (7).
5. The flatness measuring device according to claim 4, wherein the upper support plate (9) and the lower support plate (11) are both circular in shape, the upper support plate through hole (10) is located at a central position of the upper support plate (9), the lower support plate through hole (12) is located at a central position of the lower support plate (11), and the support platform (15) is cylindrical in shape.
6. The flatness measuring device according to claim 3, wherein the base is a V-shaped magnet (16), and a magnetic switch (17) is provided at one side of the V-shaped magnet (16).
CN202220270784.XU 2022-02-10 2022-02-10 Flatness measuring device Active CN217132123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220270784.XU CN217132123U (en) 2022-02-10 2022-02-10 Flatness measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220270784.XU CN217132123U (en) 2022-02-10 2022-02-10 Flatness measuring device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114353705A (en) * 2022-02-10 2022-04-15 上海锅炉厂有限公司 Flatness measuring device and measuring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114353705A (en) * 2022-02-10 2022-04-15 上海锅炉厂有限公司 Flatness measuring device and measuring method
CN114353705B (en) * 2022-02-10 2025-07-11 上海锅炉厂有限公司 A flatness measuring device and a flatness measuring method

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