CN218443683U - Concentricity measuring device - Google Patents
Concentricity measuring device Download PDFInfo
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- CN218443683U CN218443683U CN202222578254.4U CN202222578254U CN218443683U CN 218443683 U CN218443683 U CN 218443683U CN 202222578254 U CN202222578254 U CN 202222578254U CN 218443683 U CN218443683 U CN 218443683U
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Abstract
A concentricity measurement apparatus comprising: the device comprises a rotating table, a concentric column, an auxiliary assembly and a dial indicator; the rotating table is used for driving the concentric column to rotate. The driving frame is arranged in the concentric channel; the movable frame is connected with the driving frame and is positioned above the concentric column; the pinch roller is arranged on the movable frame; the output end of the horizontal driver is used for driving the driving frame to move horizontally, and the driving frame drives the movable frame to move, so that the pressing wheel can move in a resetting manner in the radial direction of the concentric column. This scheme provides a concentricity measuring device, its surface through at the concentric post sets up the pinch roller that has the horizontal rotation function, and the horizontal migration of pinch roller supports to the inner wall of tubulose, can open the mouth of pipe of tubulose to avoid the tubulose to have the skew with the external concentricity after the foreign object offsets, improves the detection accuracy of concentricity, has solved the internal diameter of tubulose and has had the inaccurate problem of detection that the error exists with the external diameter of concentric post, has reduced the degree of difficulty that detects by a wide margin and has improved detection accuracy.
Description
Technical Field
The utility model relates to a size measurement technical field especially relates to a concentricity measuring device.
Background
The existing size measuring device is mainly characterized in that a tubular object is sleeved on the outer side of a concentric column, and the detection end of a dial indicator is contacted with the outer side wall of the tubular object so as to observe the reading change of the dial indicator to determine the concentricity; however, the existing tubular object and the concentric column have poor sizes, and a gap exists between the tubular object and the concentric column when the tubular object and the concentric column are installed, so that the problem of inaccurate installation position is caused, and the detection result is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concentricity measuring device, its surface through at the concentric column sets up the pinch roller that has the level rotation function, and the horizontal migration of pinch roller supports to the inner wall of tubulose, can open the mouth of pipe of tubulose to avoid the tubulose to have the skew with the concentricity behind the foreign object counterbalance, improve the detection accuracy degree of concentricity.
To achieve the purpose, the utility model adopts the following technical proposal:
a concentricity measurement apparatus comprising: the device comprises a rotating table, a concentric column, an auxiliary assembly and a dial indicator;
the concentric column is arranged on the rotating platform, and the rotating platform is used for driving the concentric column to rotate; the rotating table and the concentric column are respectively provided with concentric channels which are coaxially aligned; the detection end of the dial indicator is positioned above the concentric column.
The auxiliary assembly comprises: the device comprises a driving frame, a movable frame, a pressing wheel and a horizontal driver;
the driving frame is arranged on the concentric channel; the movable frame is connected to the driving frame and is positioned above the concentric column; the pinch roller is arranged on the movable frame; the output end of the horizontal driver is used for driving the driving frame to move horizontally, and the driving frame drives the movable frame to move, so that the pressing wheel can move towards the radial direction of the concentric column in a resetting manner.
Preferably, the auxiliary assembly comprises: a guide plate;
one of the movable frame and the guide plate is provided with a guide groove, and the other is provided with a guide clamping block; the guide clamping block is movably clamped in the guide groove, so that the guide plate is connected with the movable frame in a relatively movable manner.
Preferably, the movable frames are movably connected to both ends of the guide plate, respectively.
Preferably, the auxiliary assembly comprises: a fixed mount;
the fixing frame is arranged in the concentric channel; the guide plates are fixed at the upper end and the lower end of the fixing frame; the adjustable shelf set up in the upper and lower both ends of drive frame, and be located the upper end the adjustable shelf is installed the pinch roller.
Preferably, the auxiliary assembly comprises: a buffer spring;
one end of the buffer spring is connected with the movable frame, and the other end of the buffer spring is connected with the guide plate.
Preferably, the horizontal driver is a pneumatic cylinder.
Preferably, the method further comprises the following steps: a rotation driver;
the rotating table includes: a receiving cavity and a top plate;
the top plate is arranged on the upper surface of the accommodating cavity;
the output end of the rotating driver is connected to the bottom of the accommodating cavity and used for driving the accommodating cavity to rotate; the horizontal driver is arranged in the accommodating cavity; the concentric post is mounted to the top plate upper surface.
Preferably, the method further comprises the following steps: a clamp;
the clamp is arranged on the top plate and used for limiting the tubular object to the concentric column in a detachable mode.
The utility model provides a technical scheme can include following beneficial effect:
this scheme provides a concentricity measuring device, its surface through at the concentric post sets up the pinch roller that has the horizontal rotation function, and the horizontal migration of pinch roller supports to the inner wall of tubulose, can open the mouth of pipe of tubulose to avoid the tubulose to have the skew with the external concentricity after the foreign object offsets, improves the detection accuracy of concentricity, has solved the internal diameter of tubulose and has had the inaccurate problem of detection that the error exists with the external diameter of concentric post, has reduced the degree of difficulty that detects by a wide margin and has improved detection accuracy.
Drawings
FIG. 1 is a schematic view of the structure of one embodiment of a concentricity measuring apparatus;
FIG. 2 is a schematic view of an embodiment of an auxiliary assembly in a concentric cylinder;
FIG. 3 is a schematic cross-sectional view of one embodiment of a concentricity measurement apparatus;
figure 4 is an exploded view of one embodiment of the auxiliary assembly.
Wherein:
the device comprises a rotating table 1, a concentric column 2, an auxiliary assembly 3 and a dial indicator 4; a tube 5; a rotation driver 6; a clamp 7;
a concentric channel 10;
a driving frame 31, a movable frame 32, a pinch roller 33 and a horizontal driver 34; a guide plate 35; a fixed frame 36; a buffer spring 37; a guide groove 351 and a guide latch 352.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The technical solution of the present solution is further explained by the following embodiments with reference to the accompanying drawings.
A concentricity measurement apparatus comprising: the device comprises a rotating table 1, a concentric column 2, an auxiliary assembly 3 and a dial indicator 4;
the concentric column 2 is arranged on the rotating platform 1, and the rotating platform 1 is used for driving the concentric column 2 to rotate; the rotating table 1 and the concentric column 2 are respectively provided with a concentric channel 10 which is coaxially aligned; the detection end of the dial indicator 4 is positioned above the concentric column 2.
The auxiliary assembly 3 comprises: a driving frame 31, a movable frame 32, a pinch roller 33 and a horizontal driver 34;
the driving frame 31 is arranged on the concentric channel 10; the movable frame 32 is connected to the driving frame 31, and the movable frame 32 is positioned above the concentric column 2; the pinch roller 33 is mounted on the movable frame 32; the output end of the horizontal driver 34 is used for driving the driving frame 31 to move horizontally, and the driving frame 31 drives the movable frame 32 to move, so that the pressing wheel 33 can move in a resettable manner in the radial direction of the concentric cylinder 2.
This scheme provides a concentricity measuring device, it is through setting up pinch roller 33 that has the horizontal rotation function on concentric post 2's surface, pinch roller 33's horizontal migration supports to the inner wall of tubulose 5, can open the mouth of pipe of tubulose 5, in order to avoid the tubulose 5 to have the skew with the external thing after propping up, improve the detection accuracy degree of concentricity, there is the inaccurate problem of detection that results in the error in the internal diameter of having solved tubulose 5 and the external diameter of concentric post 2, the degree of difficulty that has reduced the detection by a wide margin and improved detection accuracy degree.
Specifically, the concentric column 2 is used for installing the tubular object 5, and the pipe orifice of the tubular object 5 can be sleeved on the concentric column 2; at this time, the horizontal driver 34 may be activated, and the output end of the horizontal driver 34 drives the driving frame 31 to move, and further drives the movable frame 32 to move, so as to drive the pressing wheel 33 to move to the radial direction of the concentric column 2 to abut against the inner wall of the tubular object 5. The pressing wheel 33 can rotate and can rotate relatively to the inner wall of the tubular object 5 after abutting against the inner wall of the tubular object 5; the rotation of the rotating platform 1 drives the concentric column 2 to rotate, and further drives the tubular object 5 to rotate through the concentric column 2; the detecting end of the dial indicator 4 can be abutted against the outer side wall of the tubular object 5, and in the rotating process of the tubular object 5, if the tubular object 5 and the concentric column 2 are concentric, the position of the detecting end of the dial indicator 4 is unchanged, so that the reading of the dial indicator is unchanged. If the tubular object 5 and the concentric column 2 are not concentric, one side part of the tubular object 5 drives the detection end of the dial indicator 4 to stretch, the linear motion of the detection end is converted into the rotary motion of a pointer through a gear or a lever, and then the reading is carried out on the dial; during the process, the inner diameter of the tube 5 has an error with the outer diameter of the concentric column 2, so that the tube 5 is not completely butted with the concentric column 2, and the tube 5 is easy to displace after the detection end of the dial indicator 4 moves, so that the tube 5 deviates from the central axis of the concentric column 2; the pinch roller 33 of the scheme can be abutted against the inner wall of the tubular object 5 to always open the inner wall of the pipe orifice of the tubular object 5 so as to limit the tubular object 5 on the concentric column 2, so that the tubular object 5 is prevented from being deviated in the detection process, the problem of inaccurate detection caused by the error between the inner diameter of the tubular object 5 and the outer diameter of the concentric column 2 is solved, and the detection difficulty is greatly reduced.
The horizontal driver 34 is a mechanism known to have a function of driving movement, such as an air cylinder, a moving carriage, a belt structure, or a combination of a motor and a screw.
Preferably, the auxiliary assembly 3 comprises: a guide plate 35;
one of the movable frame 32 and the guide plate 35 is provided with a guide groove 351, and the other is provided with a guide latch 352; the guide latch 352 is movably engaged with the guide groove 351, so that the guide plate 35 and the movable frame 32 are movably connected.
As shown in fig. 3 and 4, the guide plate 35 may be provided with a guide latch 352, and the movable frame 32 may be provided with a guide groove 351; the guide latch 352 is movable in the guide groove 351 and moves along the length direction of the guide groove 351, so as to provide a guiding function for the movable frame 32, ensure that the moving direction of the movable frame 32 is always the radial direction of the concentric column 2, and improve the moving stability of the pressing wheel 33.
Preferably, the movable frames 32 are movably connected to both ends of the guide plate 35, respectively.
The movable frames 32 are optimally arranged in pairs, that is, respectively arranged at two ends of the guide plate 35, so that the pressing wheels 33 can be arranged in pairs and respectively move in the radial direction on the same straight line, and further the inner wall of the tubular object 5 is opened, thereby ensuring that the moving tracks of the pressing wheels 33 of the two movable frames 32 are the same, and improving the moving stability of the two pressing wheels 33.
Preferably, the auxiliary assembly 3 comprises: a fixed frame 36;
the fixing frame 36 is arranged on the concentric channel 10; the guide plates 35 are fixed at the upper and lower ends of the fixing frame 36; the movable frame 32 is arranged at the upper end and the lower end of the driving frame 31, and the pinch roller 33 is arranged on the movable frame 32 at the upper end.
The upper end and the lower end of the fixed frame 36 are respectively provided with a guide plate 35 for providing a guide effect for the movable frame 32 at the upper position and the lower position of the driving frame 31, which can be convenient for providing a guide effect for the movable frame 32 at the upper end on one hand so as to ensure that the moving direction of the pinch roller 33 is unchanged and have a guide effect on the pinch roller 33; on the other hand, the guide plate 35 in the up-down position provides sufficient balance, which can provide a guiding function for the output end of the horizontal driver 34, and the output end of the horizontal driver 34 drives the driving frame 31 to move, so that the movable frame 32 at the lower end of the driving frame 31 moves along the length direction of the guide plate 35, thereby ensuring that the moving direction of the driving frame 31 is unchanged, and improving the moving stability of the driving frame 31.
In one embodiment, the output end of horizontal driver 34 is directly connected to driving frame 31, and the output end of horizontal driver 34 can move in a resetting manner to drive movable frame 32 and pressing wheel 33.
In one embodiment, the auxiliary assembly 3 includes: a buffer spring 37;
one end of the buffer spring 37 is connected to the movable frame 32, and the other end of the buffer spring 37 is connected to the guide plate 35.
The output end of the horizontal driver 34 drives the driving frame 31 to move so as to drive the movable frame 32 and the guide plate 35 to move oppositely, so that the movable frame 32 and the pressing wheel 33 are accommodated in the outer diameter of the concentric column 2, at this time, the tubular object 5 can be freely sleeved on the concentric column 2, and the buffer spring 37 is in a contraction state; thereafter, the output of the horizontal driver 34 may be reset, and the output of the horizontal driver 34 may be disengaged from the driving rack 31; the buffer spring 37 elastically resets and drives the movable frame 32 to move towards the radial direction of the concentric column 2, so that the pressing wheel 33 is abutted against the inner wall of the tubular object 5; in this embodiment, the pressing wheel 33 presses against the inner wall of the tubular object 5 in the open state of the buffer spring 37, so that the buffer spring 37 can provide a buffer effect when the tubular object 5 and the concentric column 2 displace, and the pressing wheel 33 is prevented from crushing the tubular object 5.
Preferably, the horizontal driver 34 is an air cylinder.
The output end of the cylinder can move telescopically, the cylinder has two output states, when the cylinder extends out, the driving frame 31 can drive the movable frame 32 to move towards the middle axis direction of the concentric column 2, and when the cylinder contracts, the driving frame 31 can drive the movable frame 32 to move towards the radial direction of the concentric column 2.
Preferably, the method further comprises the following steps: a rotation driver 6;
the rotating table 1 includes: a housing chamber 11 and a top plate 12;
the top plate 12 is mounted on the upper surface of the accommodating cavity 11;
the output end of the rotary driver 6 is connected to the bottom of the accommodating cavity 11 and is used for driving the accommodating cavity 11 to rotate; the horizontal driver 34 is mounted in the accommodating cavity 11; the concentric post 2 is mounted to the upper surface of the top plate 12.
The rotation driver 6 is a well-known mechanism having a function of driving rotation, such as a motor, or a combination of a motor and a speed reducer; the output end of the rotary driver 6 drives the rotary table 1 to rotate, the concentric column 2 of the rotary table 1 and the auxiliary assembly 3 containing the cavity 11 are driven to rotate, and then the concentric column 2 and the auxiliary assembly 3 synchronously rotate.
Preferably, the method further comprises the following steps: a clamp 7;
the clamp 7 is arranged on the top plate 12, and the clamp 7 is used for detachably limiting a tubular object on the concentric column 2.
The clamp 7 is mounted on the surface of the top plate 12 and can be used for limiting the tubular object so that the tubular object is fixed on the top plate 12. The jig 7 is a known mechanism having a clamping function, and for example, the jig 7 in fig. 1 is a three-jaw chuck.
The technical principle of the present solution is described above with reference to specific embodiments. These descriptions are only used to explain the principles of the present solution and should not be interpreted in any way as limiting the scope of the present solution. Based on the explanations provided herein, a person skilled in the art will be able to conceive of other embodiments of the present solution without inventive effort, which shall fall within the scope of protection of the present solution.
Claims (8)
1. A concentricity measuring apparatus, comprising: the device comprises a rotating table, a concentric column, an auxiliary assembly and a dial indicator;
the concentric column is arranged on the rotating platform, and the rotating platform is used for driving the concentric column to rotate; the rotating table and the concentric column are respectively provided with concentric channels which are coaxially aligned; the detection end of the dial indicator is positioned above the concentric column;
the auxiliary assembly includes: the device comprises a driving frame, a movable frame, a pressing wheel and a horizontal driver;
the driving frame is arranged on the concentric channel; the movable frame is connected to the driving frame and is positioned above the concentric column; the pinch roller is arranged on the movable frame; the output end of the horizontal driver is used for driving the driving frame to move horizontally, and the driving frame drives the movable frame to move, so that the pressing wheel can move towards the radial direction of the concentric column in a resetting manner.
2. A concentricity measuring apparatus according to claim 1, wherein the auxiliary member comprises: a guide plate;
one of the movable frame and the guide plate is provided with a guide groove, and the other one is provided with a guide clamping block; the guide clamping block is movably clamped in the guide groove, so that the guide plate is connected with the movable frame in a relatively movable manner.
3. A concentricity measuring apparatus according to claim 2, wherein the movable frames are movably connected to both ends of the guide plate, respectively.
4. A concentricity measuring apparatus according to claim 3, wherein the auxiliary member comprises: a fixed mount;
the fixing frame is arranged in the concentric channel; the guide plates are fixed at the upper end and the lower end of the fixing frame; the adjustable shelf set up in the upper and lower both ends of drive frame, and be located the upper end the adjustable shelf is installed the pinch roller.
5. A concentricity measuring apparatus according to claim 4, wherein the auxiliary component comprises: a buffer spring;
one end of the buffer spring is connected with the movable frame, and the other end of the buffer spring is connected with the guide plate.
6. A concentricity measuring apparatus according to any one of claims 1 to 5, wherein the horizontal drive is a pneumatic cylinder.
7. A concentricity measuring apparatus according to any one of claims 1 to 5, further comprising: a rotation driver;
the rotating table includes: a containing cavity and a top plate;
the top plate is arranged on the upper surface of the accommodating cavity;
the output end of the rotating driver is connected to the bottom of the accommodating cavity and used for driving the accommodating cavity to rotate; the horizontal driver is arranged in the accommodating cavity; the concentric post is mounted to the top plate upper surface.
8. A concentricity measuring apparatus according to claim 7, further comprising: a clamp;
the clamp is arranged on the top plate and used for limiting the tubular object to the concentric column in a detachable mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222578254.4U CN218443683U (en) | 2022-09-28 | 2022-09-28 | Concentricity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222578254.4U CN218443683U (en) | 2022-09-28 | 2022-09-28 | Concentricity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218443683U true CN218443683U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222578254.4U Active CN218443683U (en) | 2022-09-28 | 2022-09-28 | Concentricity measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN218443683U (en) |
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- 2022-09-28 CN CN202222578254.4U patent/CN218443683U/en active Active
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