CN220740306U - Magnetic auxiliary measuring table applicable to imager and profilometer - Google Patents
Magnetic auxiliary measuring table applicable to imager and profilometer Download PDFInfo
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- CN220740306U CN220740306U CN202322382003.3U CN202322382003U CN220740306U CN 220740306 U CN220740306 U CN 220740306U CN 202322382003 U CN202322382003 U CN 202322382003U CN 220740306 U CN220740306 U CN 220740306U
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- 230000005389 magnetism Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 20
- 230000003746 surface roughness Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a magnetic auxiliary measuring table applicable to an imager and a profilometer, and belongs to the technical field of bearing measurement. It comprises the following steps: the top surface of the magnetic workbench is provided with a workpiece placing surface; a magnetic core rotatably mounted within the magnetic table; the magnetic conduction piece is arranged on the magnetic workbench, and the workpiece placing surface, the magnetic core and the magnetic conduction piece are sequentially arranged from top to bottom; in the initial state, the N pole and the S pole of the magnetic core are in a vertical state, the magnetic field generated by the magnetic core is in a closed state, and the magnetic workbench has smaller magnetism and does not have magnetic attraction effect; when the magnetic core rotates to the state that the N pole and the S pole are positioned in the horizontal state, the magnetic field generated by the magnetic core forms a closed magnetic field through the magnetic conduction piece and generates suction force to adsorb the workpiece. The workpiece can not displace or shake along with the objective table through magnetic attraction, and the workpiece is always kept stable in positioning, so that the surface roughness and the contour can be measured later, and the measuring result is ensured to have higher precision.
Description
Technical Field
The utility model belongs to the technical field of bearing measurement, and particularly relates to a magnetic auxiliary measuring table applicable to an imager and a profilometer.
Background
The image measuring instrument is very commonly used in the bearing industry, is widely applied to the dimension detection of a workpiece which cannot be directly measured, such as the indirect measurement of the outer chamfer of the outer ring of the bearing, the diameter of a steel ball and the like, but when the instrument measures the circular and cylindrical dimensions, the workpiece is displaced or dithered along with an objective table due to unstable positioning, so that the measurement cannot be performed or the measurement error is increased, and misjudgment is generated;
for example, the conventional taylor hopkinson PGI420 profiler has the problems that when in measurement, a V-shaped table for placing a workpiece is too wide, when in measurement of a miniature bearing, the positioning is unstable, particularly for a single bearing, the bearing is light, the torque and the pulling force generated by a measuring needle are not enough to resist, and even when the measuring needle moves along the surface of the workpiece during measurement, the workpiece can generate tiny shaking, so that measurement errors are increased.
Disclosure of Invention
The utility model aims at the problems in the prior art, and provides a magnetic auxiliary measuring table which can accurately position a bearing to be measured so as to ensure measuring accuracy and can be applied to an imager and a profilometer.
The utility model can be realized by the following technical scheme:
a magnetically assisted measurement table applicable to imagers and profilers, comprising:
the top surface of the magnetic workbench is provided with a workpiece placing surface;
a magnetic core rotatably mounted within the magnetic table;
a magnetism isolating sheet assembly installed in the magnetic table;
in the initial state, the N pole and the S pole of the magnetic core are in a vertical state, and at the moment, under the action of the magnetism isolating sheet component, the magnetic workbench is in a magnetic-off state and does not have a magnetic attraction effect;
when the magnetic core rotates to a state that the N pole and the S pole of the magnetic core are positioned in a horizontal state, a magnetic field generated by the magnetic core, the magnetic workbench and a workpiece placed on the magnetic workbench form a closed magnetic field, and suction force is generated to enable the workpiece to be adsorbed on the workpiece placing surface.
As a further improvement of the utility model, the magnetic workbench is composed of two transition cushion blocks which are symmetrically arranged left and right, after the two transition cushion blocks are spliced, the contact surfaces of the two transition cushion blocks form a mounting through hole and empty slots positioned on the upper side and the lower side of the mounting through hole, and the magnetic core is rotatably arranged in the mounting through hole.
As a further improvement of the utility model, the magnetic isolation sheet component comprises an upper magnetic isolation sheet and a lower magnetic isolation sheet, wherein the upper magnetic isolation sheet and the lower magnetic isolation sheet are respectively positioned in the empty grooves on the upper side and the lower side of the magnetic core and are used for isolating magnetic force between the two transition cushion blocks.
As a further improvement of the present utility model, the upper magnetism isolating sheet extends upward from the top surface of the magnetic table and forms the bottom surface of the work placement surface.
As a further improvement of the utility model, the workpiece placing surface is arranged in a V-shaped structure and is used for placing round workpieces.
As a further improvement of the utility model, after the workpiece is placed on the workpiece placement surface, the workpiece is abutted against two inclined surfaces of the workpiece placement surface to form a two-point contact structure.
As a further improvement of the utility model, a panel and a switch are also arranged on the side surface of the magnetic workbench, the switch is arranged through the panel and embedded into a slot at the end part of the magnetic core, and the magnetic core is driven to rotate by rotating the switch so as to realize the purposes of opening the magnetic attraction function and closing the magnetic attraction function.
As a further improvement of the utility model, the utility model also comprises a permanent magnet which is detachably arranged at the bottom of the magnetic workbench, and the magnetic workbench can be connected with the existing tooling of the profiler through the permanent magnet.
As a further improvement of the utility model, the bottom of the magnetic workbench is provided with an embedded groove, and the permanent magnet can be embedded into the embedded groove or detached from the embedded groove.
As a further improvement of the utility model, after the permanent magnet is removed from the magnetic workbench, the magnetic workbench can be directly applied to the existing tooling of the imager.
Compared with the prior art, the utility model has the following beneficial effects:
1. the magnetic auxiliary measuring table can be assembled on the existing tools of the imager and the profilometer and used as a supplementary measuring clamp special for measuring a round or cylindrical bearing and accessories, so that the defect that the original instrument cannot measure a round or cylindrical workpiece is overcome;
2. when the magnetic auxiliary measuring table is used for positioning the bearing circular workpiece, the workpiece can not displace or shake along with the objective table through magnetic attraction, and the positioning is always kept stable, so that the subsequent measurement of the surface roughness and the contour is convenient, the measurement result is ensured to have higher precision, and the situation of misjudgment caused by large measurement error is avoided;
3. two transition cushion blocks with ' N ' -S ' -poles are adopted, and a certain magnetic force is generated to adsorb the surface positioning of a cylindrical or circular workpiece by utilizing the principle that magnetic force lines flow from the ' N ' -poles to the ' S ' -poles, so that the space is saved, and the structure is simple and novel.
4. The magnetic workbench is switched between a magnetizing state and a magnetic breaking state through the rotation of the magnetic core, so that the structure is simple and the operation is convenient;
5. the V-shaped detachable permanent magnet is additionally arranged at the bottom of the measuring table, so that the V-shaped detachable permanent magnet can be matched with the existing profilometer tool to position a round workpiece and other small parts, and the surface roughness and the profile can be measured.
Drawings
FIG. 1 is a schematic view of the structure of the magnetically assisted measuring station of the present utility model as used in a profiler;
FIG. 2 is a schematic view of the structure of the magnetically assisted measuring stage of the present utility model when used in a projector;
FIG. 3 is an exploded view of the magnetically assisted measurement station of the present utility model;
FIG. 4 is a schematic view of the magnetically assisted measurement table of the present utility model in a magnetically off state;
fig. 5 is a schematic view of the magnetically assisted measuring station of the present utility model in a magnetized state.
100, a magnetic workbench; 110. a work placement surface; 120. a transition cushion block; 130. a panel; 140. a switch; 150. an embedding groove; 160. a mounting groove;
200. a magnetic core;
300. a magnetic conductive member;
400. a magnetic separator sheet assembly; 410. a magnetic isolation sheet is arranged on the upper part; 420. a lower magnetism isolating sheet;
500. a workpiece.
Detailed Description
The following are specific embodiments of the present utility model and the technical methods of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-5, the present utility model provides a magnetic auxiliary measuring table applicable to an imager and a profilometer, comprising:
a magnetic table 100 having a work placement surface 110 on its top surface;
a core 200 rotatably installed in the magnetic table 100;
a magnetism blocking sheet assembly 400 installed in the magnetic table 100;
in the initial state, the N pole and S pole of the magnetic core 200 are in a vertical state, and at this time, under the action of the magnetism isolating sheet assembly 400, the magnetic workbench 100 is in a magnetic off state and has no magnetic attraction effect;
when the magnetic core 200 rotates to a state that the N pole and the S pole thereof are horizontal, the magnetic field generated by the magnetic core 200 forms a closed magnetic field with the magnetic table 100 and the workpiece 500 placed thereon, and suction force is generated so that the workpiece is sucked on the workpiece placement surface.
It should be noted that, the use of the imager and the profilometer in the bearing industry is very common, but both have the same problem when measuring the bearing, that is, the stable positioning of the bearing such a circular workpiece 500 cannot be performed, and during the measurement process, the workpiece 500 will shift or shake, resulting in the situation that the measurement error is increased or even cannot be measured.
In this regard, the magnetic auxiliary measuring table in this embodiment may be assembled on the existing tools of the imager and the profilometer, and when the bearing circular workpiece 500 is positioned by the measuring table, the workpiece 500 may not displace or shake along with the objective table by magnetic attraction, so as to always maintain stable positioning, so as to facilitate subsequent measurement of surface roughness and profile, ensure that the measurement result has higher accuracy, and avoid occurrence of erroneous judgment due to large measurement error.
Preferably, the magnetic workbench 100 is composed of two transition cushion blocks 120 symmetrically arranged left and right, after the two transition cushion blocks 120 are spliced, contact surfaces of the two transition cushion blocks form a mounting through hole and empty slots positioned on the upper side and the lower side of the mounting through hole, wherein the magnetic core 200 is rotatably arranged in the mounting through hole.
Preferably, the magnetic isolation sheet assembly 400 includes an upper magnetic isolation sheet 410 and a lower magnetic isolation sheet 420, wherein the upper magnetic isolation sheet 410 and the lower magnetic isolation sheet 420 are respectively positioned in empty slots on the upper side and the lower side of the magnetic core 200, and are used for isolating magnetic force between the two transition pads 120, so that a closed magnetic circuit cannot be formed between the two transition pads 120 when the magnetic core 200 is in a vertical state with the N pole and the S pole, and at this time, the magnetic force of the magnetic workbench 100 does not have a magnetic attraction effect on the workpiece 500.
Preferably, the upper magnetism isolating sheet 410 extends upward from the top surface of the magnetic table 100 to form the bottom surface of the workpiece placement surface 110, and the placement surface of the transition pad 120 is two inclined surfaces, so that the workpiece placement surface 110 forms a V-shaped structure, and when the workpiece 500 is placed on the workpiece placement surface 110, the workpiece 500 abuts against the two inclined surfaces of the workpiece placement surface 110 to form a two-point contact structure and perform a positioning function, which is particularly suitable for positioning a circular workpiece 500 such as a bearing.
Specifically, the two transition pads 120 are respectively provided with an N pole and an S pole, and a certain magnetic force is generated to adsorb the workpiece 500 by utilizing the principle that magnetic force lines flow from the N pole to the S pole, but in an initial state, that is, when the N pole and the S pole of the magnetic core 200 are in a vertical state, the magnetic force generated by the magnetic core 200 starts from the N pole of the magnetic core 200, respectively passes through the two transition pads 120 and returns to the S pole of the magnetic core 200, and at the moment, a position where the magnetic circuit does not pass through the working placement surface 110 is formed, so that the workpiece 500 is not adsorbed, that is, the magnetism of the magnetic workbench 100 is smaller and belongs to a magnetic interruption state in the initial state;
when the magnetic core 200 rotates to the state that the N pole and the S pole are horizontal, the magnetic circuit generated by the magnetic core 200 connects the two transition pads 120 and forms a closed magnetic field, and flows through the position of the work placement surface 110, and at this time, the magnetic workbench 100 is in the magnetizing state, and the magnetic workbench 100 can generate a stronger attraction force and attract the workpiece 500 to the work placement surface 110.
Preferably, the side surface of the magnetic workbench 100 is also provided with a panel 130 and a switch 140, the switch 140 is installed through the panel 130, the switch 140 is embedded into a slot at the end part of the magnetic core 200, and the magnetic core 200 is driven to rotate by rotating the switch 140 to realize the purposes of opening and closing the magnetic attraction function.
Preferably, the device also comprises a permanent magnet 300 which is detachably arranged at the bottom of the magnetic workbench 100, and the magnetic workbench 100 can be connected with the existing tooling of the profiler through the permanent magnet 300.
Preferably, the bottom of the magnetic table 100 is provided with an insertion slot 150, and the magnetic conductive member 300 can be inserted into the insertion slot 150 or removed from the insertion slot 150.
Preferably, when the magnetic table 100 removes the permanent magnet 300, the magnetic table 100 can be directly applied to the existing tooling of the imager.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme formed by any combination of the technical features. The foregoing is a specific embodiment of the utility model, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Claims (10)
1. A magnetic auxiliary measuring table applicable to imagers and profilers, comprising:
the top surface of the magnetic workbench is provided with a workpiece placing surface;
a magnetic core rotatably mounted within the magnetic table;
a magnetism isolating sheet assembly installed in the magnetic table;
in the initial state, the N pole and the S pole of the magnetic core are in a vertical state, and at the moment, under the action of the magnetism isolating sheet component, the magnetic workbench is in a magnetic-off state and does not have a magnetic attraction effect;
when the magnetic core rotates to a state that the N pole and the S pole of the magnetic core are positioned in a horizontal state, a magnetic field generated by the magnetic core, the magnetic workbench and a workpiece placed on the magnetic workbench form a closed magnetic field, and suction force is generated to enable the workpiece to be adsorbed on the workpiece placing surface.
2. The magnetic auxiliary measuring table applicable to the imaging instrument and the profilometer according to claim 1, wherein the magnetic workbench is composed of two transition cushion blocks which are symmetrically arranged left and right, after the two transition cushion blocks are spliced, a mounting through hole and empty slots positioned on the upper side and the lower side of the mounting through hole are formed on contact surfaces of the two transition cushion blocks, and the magnetic core is rotatably arranged in the mounting through hole.
3. The magnetic auxiliary measuring table applicable to an imager and a profiler according to claim 2, wherein the magnetic isolation sheet assembly comprises an upper magnetic isolation sheet and a lower magnetic isolation sheet, and the upper magnetic isolation sheet and the lower magnetic isolation sheet are respectively positioned in the empty slots on the upper side and the lower side of the magnetic core and are used for isolating magnetic force between the two transition cushion blocks.
4. A magnetic auxiliary measuring table applicable to an imager and profilometer according to claim 3, wherein said upper magnetism isolating sheet extends upwardly from the top surface of said magnetic table and forms the bottom surface of said workpiece placement surface.
5. A magnetic auxiliary measuring table applicable to an imager and a profiler according to claim 3, wherein the workpiece placement surface is provided in a V-shaped configuration and is used for placing a circular workpiece.
6. The magnetic auxiliary measuring table for image and contour measuring apparatus as defined in claim 5, wherein after the workpiece is placed on said workpiece placing surface, the workpiece is abutted against two inclined surfaces of the workpiece placing surface to form a two-point contact structure.
7. The magnetic auxiliary measuring table applicable to the imaging instrument and the profilometer according to claim 1, wherein a panel and a switch are further installed on the side face of the magnetic workbench, the switch is installed through the panel and embedded into a slot at the end part of the magnetic core, and the magnetic core is driven to rotate by rotating the switch to achieve the purposes of opening the magnetic attraction function and closing the magnetic attraction function.
8. A magnetic auxiliary measuring table applicable to an imager and a profilometer according to claim 3, further comprising a permanent magnet detachably mounted on the bottom of the magnetic table, wherein the magnetic table is connected with an existing tooling of the profilometer by the permanent magnet.
9. The magnetic auxiliary measuring table applicable to an imager and a profiler according to claim 8, wherein an embedded groove is formed in the bottom of the magnetic workbench, and the permanent magnet can be embedded into or detached from the embedded groove.
10. The magnetic auxiliary measuring table applicable to imagers and profilers according to claim 8, wherein the magnetic table can be directly applied to existing tools of imagers after the permanent magnet is removed from the magnetic table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322382003.3U CN220740306U (en) | 2023-09-04 | 2023-09-04 | Magnetic auxiliary measuring table applicable to imager and profilometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322382003.3U CN220740306U (en) | 2023-09-04 | 2023-09-04 | Magnetic auxiliary measuring table applicable to imager and profilometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220740306U true CN220740306U (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322382003.3U Active CN220740306U (en) | 2023-09-04 | 2023-09-04 | Magnetic auxiliary measuring table applicable to imager and profilometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220740306U (en) |
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2023
- 2023-09-04 CN CN202322382003.3U patent/CN220740306U/en active Active
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