CN216694801U - Flatness detection device - Google Patents
Flatness detection device Download PDFInfo
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- CN216694801U CN216694801U CN202220205111.6U CN202220205111U CN216694801U CN 216694801 U CN216694801 U CN 216694801U CN 202220205111 U CN202220205111 U CN 202220205111U CN 216694801 U CN216694801 U CN 216694801U
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- 238000005259 measurement Methods 0.000 description 3
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Abstract
The utility model provides a flatness detection device, which comprises a mounting plate, a walking assembly and a detection member, wherein the mounting plate is provided with a plurality of through holes; the mounting plate comprises a first plate and a second plate which are connected, and the first plate is arranged in parallel with the first end face of the workpiece to be tested; the second plate is arranged in parallel with the second end face of the workpiece to be detected; mounting holes for mounting the walking components are formed in the first plate and the second plate; a groove unit is arranged on the first plate and/or the second plate, and the detection member is slidably arranged on the groove unit; the walking assembly comprises a plurality of walking single pieces, each walking single piece comprises a rolling piece and a positioning piece, the positioning pieces penetrate through the mounting holes and are fixedly connected with the mounting plate, and the rolling pieces are rotatably arranged at one ends of the positioning pieces and are used for contacting the surface of a workpiece to be detected. The utility model improves the flatness detection efficiency and avoids the problem that the quality of products is influenced by scratches of a workpiece to be detected (such as a large bearing ring) due to rotation.
Description
Technical Field
The utility model relates to the technical field of bearing ring flatness detection, in particular to a flatness detection device and a detection method thereof.
Background
The flatness of the end face of the bearing ring is an important index for measuring the processing quality of the bearing ring. Although the existing detection tools for detecting the flatness of the bearing ring have a plurality of types, the detection tools have some use defects or use limitations.
When the utility model with the application number of 201620857368.4 is used, the end face of the bearing ring to be measured faces downwards, the bearing ring is placed on 3 end face supporting heads of the instrument platform, the positions of 3 end face supports are adjusted, the 3 end face supporting heads are all positioned at the middle position of the lower end face of the bearing ring, and meanwhile, the center point of the bearing ring is overlapped with the center hole by visual observation; adjusting the positions of the two radial supports to enable the two radial support heads to be in contact with the outer wall surface of the bearing ring; adjusting the position of the dial indicator bracket to enable the dial indicator jacks on the dial indicator bracket to be positioned right below the end face of the bearing ring; the dial gauge tip is inserted into the dial gauge jack from bottom to top upwards, the dial gauge tip is made to contact with the lower end face of the bearing ring, the gauge needle is made to display the reading, the tightening screw is screwed, the elastic clamp opening is tightened, and the dial gauge is clamped and fixed. Rotating the bearing ring, guaranteeing simultaneously that the terminal surface supports the bulb a contact of head with 3 terminal surfaces all the time under the bearing ring, the outer wall of bearing ring is supported the bulb b contact of head with 2 radial supports all the time, reads the biggest variation amount of amesdial reading, is the plane degree of terminal surface under the bearing ring promptly.
When the bearing ring flatness detection device is used, the instrument desk is fixed, and detection operation needs to be completed through the rotating bearing ring, so that the bearing ring flatness detection device is suitable for detecting flatness of the small bearing ring. If the above patent is used for detecting the flatness of the large bearing ring, the following defects can be caused: 1) the instrument desk has a complex structure and is complex to use; 2) the instrument desk has a limited bearing range and cannot bear a bearing ring with an overlarge size; 3) large-scale bearing ring weight is big, relies on the manpower hardly swivel bearing ring, if swivel bearing ring detects the operation by force, supports the head and can leave serious mar on the bearing ring terminal surface, and not only measurement of efficiency is low, still can seriously influence product quality.
In view of the above, there is a need for a flatness detecting apparatus and a detecting method thereof to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flatness detection device, which has the following specific technical scheme:
a flatness detection device comprises a mounting plate, a walking assembly and a detection component; the mounting plate comprises a first plate and a second plate which are connected, and the first plate is arranged in parallel with the first end face of the workpiece to be tested; the second plate is arranged in parallel with the second end face of the workpiece to be detected; mounting holes for mounting walking components are formed in the first plate and the second plate; a groove unit is arranged on the first plate and/or the second plate, and the detection member is slidably arranged on the groove unit;
the walking assembly comprises a plurality of walking single pieces, each walking single piece comprises a rolling piece and a positioning piece, the positioning pieces penetrate through the mounting holes and are fixedly connected with the mounting plate, and the rolling pieces are rotatably arranged at one ends of the positioning pieces and are used for contacting the surface of a workpiece to be detected.
Preferably, the positioning piece comprises an insertion section, a limiting section and a main body section which are sequentially arranged along the direction of the insertion mounting hole, and the rolling piece is arranged at one end of the main body section, which is far away from the limiting section; the insert section is inserted into the mounting hole, the limiting section is clamped with one side of the mounting hole, a first locking piece is further arranged on the insert section, and the first locking piece is clamped with the other side of the mounting hole.
Preferably, the mounting hole is a stepped hole, and the stepped hole comprises a first hole for accommodating the limiting section and a second hole for only allowing the insertion section to be inserted.
Preferably, the limiting section is of a waist-shaped structure; the first hole is a waist-shaped hole matched with the limiting section.
Preferably, the rolling member is arranged on the main body section through a pin shaft; the rolling elements are bearings.
Preferably, the detection component comprises a sliding block and a dial indicator, the sliding block is slidably arranged on the groove unit, and a second locking piece is arranged on the sliding block and used for fixing the position of the sliding block on the groove unit; the dial indicator is detachably connected with the sliding block.
Preferably, the groove unit includes a first groove, and the slider is slidably disposed on the first groove.
Preferably, the groove unit further comprises two second grooves arranged in parallel with the first grooves, and the two second grooves are symmetrically arranged on two sides of the first grooves; and two ends of the sliding block are correspondingly connected with the second groove through second locking parts respectively.
Preferably, the first locking member is a nut, and the second locking member is a bolt and a nut; the workpiece to be detected is a bearing ring; the outer diameter of the bearing ring is 2-8 m.
The technical scheme of the utility model has the following beneficial effects:
the flatness detection device provided by the utility model is in contact with the first end surface of a workpiece to be detected (such as a large bearing ring) through the rolling piece of the walking component on the first plate; the rolling part of the walking component on the second plate is in contact with the second end face of the workpiece to be detected, so that the rolling contact of the flatness detection device and the workpiece to be detected is realized, the flatness detection device is pushed to rotate along the circumferential direction of the workpiece to be detected when the flatness is detected, detection data can be recorded by the dial indicator, the flatness detection efficiency is improved, and the problem that the product quality is influenced by the scratch of the rotating workpiece to be detected (such as a large bearing ring) is avoided. In addition, the flatness detection device is simple in structure and convenient for real-time measurement on the processing site of the workpiece to be measured; the size is small, and the problems of detection errors and the like caused by insufficient rigidity of the flatness detection device do not exist; the detection method is convenient to use, and a user can master the detection method without much professional skills.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural view of a flatness detection apparatus in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the mounting plate of FIG. 1;
FIG. 3 is an enlarged view of the area A mounting hole of FIG. 2;
FIG. 4 is a schematic view of the construction of the walking unit of FIG. 1;
FIG. 5 is a schematic structural view of the positioning member of FIG. 4;
FIG. 6 is a schematic structural view of the flatness detecting apparatus in FIG. 1 in operation (only a cross-sectional view of a workpiece to be measured is shown in FIG. 6);
the device comprises a mounting plate 1, a mounting plate 1.1, a first plate 1.2, a second plate 1.3, a mounting hole 1.4, a first groove 1.5, a second groove 2, a rolling part 3, a positioning part 3.1, an insertion section 3.2, a limiting section 3.3, a main body section 4, a sliding block 5, a dial indicator 6, a pin shaft B and a workpiece to be tested.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example 1:
referring to fig. 1-6, a flatness detecting apparatus includes a mounting plate 1, a traveling assembly, and a detecting member; the mounting plate 1 comprises a first plate 1.1 and a second plate 1.2 which are connected, the first plate 1.1 is arranged in parallel with a first end face of a workpiece B to be tested (specifically, a large bearing ring), and the first end face is an axial outer surface of the large bearing ring; the second plate 1.2 is arranged in parallel with a second end face of the workpiece B to be detected, and the second end face is the radial outer surface of the large-scale bearing ring; mounting holes 1.3 for mounting walking components are formed in the first plate 1.1 and the second plate 1.2; the first plate 1.1 is triangular, and mounting holes 1.3 are formed in three corner points of the first plate; the second plate 1.2 is in the length direction, and mounting holes 1.3 are respectively formed in two ends of the second plate in the length direction; the arrangement mode of the mounting hole 1.3 is convenient for the stability of the flatness detection device during movement after the walking assembly is mounted, and the detection error is reduced; a groove unit is arranged on the first plate 1.1, and the detection member is slidably arranged on the groove unit;
the walking subassembly includes a plurality of walking singlets, the walking singlets include rolling member 2 and setting element 3, setting element 3 runs through mounting hole 1.3 and links firmly with mounting panel 1, the rotatable setting of rolling member 2 is in the one end of setting element 3 is used for contacting workpiece B's that awaits measuring surface (specifically be first terminal surface and second terminal surface).
Referring to fig. 4-5, the positioning element 3 includes an insertion section 3.1, a limiting section 3.2 and a main body section 3.3, which are sequentially arranged along the direction of the insertion mounting hole 1.3, and the rolling element 2 is arranged at one end of the main body section 3.3, which is far away from the limiting section 3.2; insert section 3.1's surface and set up the external screw thread, insert section 3.1 and insert mounting hole 1.3, spacing section 3.2 and one side joint of mounting hole 1.3 still be equipped with first retaining member on the section of inserting 3.1, first retaining member and mounting hole 1.3's opposite side joint.
Referring to fig. 3, the mounting hole 1.3 is a stepped hole, and the stepped hole comprises a first hole for accommodating the limiting section 3.2 and a second hole for only allowing the insertion section 3.1 to be inserted.
Referring to fig. 3, the limiting section 3.2 is a waist-shaped structure; the first hole is a waist-shaped hole matched with the limiting section 3.2, the axial limiting effect on the limiting section 3.2 is improved, and the sliding phenomenon of the positioning piece 3 is effectively avoided.
Referring to fig. 4, the rolling element 2 is arranged on the main body section 3.3 by a pin 6; the rolling elements 2 are bearings, ensuring a rolling effect.
The detection component comprises a sliding block 4 and a dial indicator 5, the sliding block 4 is slidably arranged on the groove unit, and a second locking piece is arranged on the sliding block 4 and used for fixing the position of the sliding block 4 on the groove unit; the dial indicator 5 is detachably connected with the sliding block 4 through bolts and nuts.
Referring to fig. 1-2 and 6, the groove unit includes a first groove 1.4, and the slider 4 is slidably disposed on the first groove 1.4.
Referring to fig. 1-2 and fig. 6, the groove unit further includes two second grooves 1.5 arranged in parallel with the first groove 1.4, and the two second grooves 1.5 are symmetrically arranged at two sides of the first groove 1.4; the both ends of slider 4 correspond through second retaining member and second recess 1.5 respectively and are connected, improve parallelism and the stability that detect the component when the plane degree detected, effectively avoid rocking the detection error who arouses.
The first locking piece is a nut, and the second locking piece is a bolt and a nut, so that the first locking piece and the second locking piece are convenient to detach and install. The outer diameter of the bearing ring is 8 m.
Referring to fig. 6, the detecting method of the flatness detecting apparatus includes the following steps:
step S1, installing the assembled flatness detection device on a workpiece B to be detected, and enabling a rolling member 2 of a walking component on a first plate 1.1 to be in contact with a first end face of the workpiece B to be detected, so as to realize axial positioning of the workpiece B to be detected by the first plate 1.1; the rolling member 2 of the walking component on the second plate 1.2 is contacted with the second end surface of the workpiece B to be measured, so that the radial positioning of the workpiece B to be measured by the second plate 1.2 is realized;
step S2, determining a start position of the slider 4 on the first groove 1.4 (the start position can be selected to be any end on the first groove 1.4), pushing the flatness detecting device to rotate for one circle along the circumferential direction of the workpiece B to be detected, and recording a variation Δ x of the dial indicator 51；
Step S3, loosening the second locking member, moving the sliding block 4 to a certain position along the first groove 1.4 (the certain position is a second position where the sliding block 4 moves to a position 1/5 away from the initial position along the first groove 1.4), and then tightening the second locking member to fix the sliding block 4;
step S4, the flatness detection device is pushed to rotate for one circle again along the circumferential direction of the workpiece B to be detected, and the variation delta x of the dial indicator 5 is recorded2；
Step S5, repeating steps S3-S4 four times, namely, when repeating steps S3-S4 for the first time, moving the slider 4 to a third position 2/5 away from the initial position along the first groove 1.4, and recording the variation Δ x of the dial indicator 5 by the same operation as above3(ii) a In a second repetition of steps S3-S4, the slider 4 is moved along the first groove 1.4 to a third position 3/5 away from the starting position, and the change Δ x of the dial indicator 5 is recorded as above4(ii) a In a third repetition of steps S3-S4, the slider 4 is moved along the first groove 1.4 to a third position 4/5 away from the start position, and the variation Δ x of the dial indicator 5 is recorded as above5(ii) a In the fourth repetition of the steps S3-S4, the slider 4 is moved to the other end with respect to the initial position along the first groove 1.4, and the variation Δ x of the dial indicator 5 is recorded in the same manner as above6And the planeness of the workpiece B to be measured takes the maximum value of the 6 variable quantities.
The flatness detection device provided by the utility model is in rolling contact with the workpiece B to be detected, and when the flatness is detected, the flatness detection device is pushed to rotate along the circumferential direction of the workpiece B to be detected, so that detection data can be recorded by the dial indicator 5, the flatness detection efficiency is improved, and the problem that the product quality is influenced by the scratch of the rotating workpiece B to be detected is avoided. In addition, the flatness detection device is simple in structure and convenient for real-time measurement on the processing site of the workpiece B to be detected; the size is small, and the problems of detection errors and the like caused by insufficient rigidity of the flatness detection device do not exist; the detection method is convenient to use, and a user can master the detection method without much professional skills.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The flatness detection device is characterized by comprising a mounting plate (1), a walking assembly and a detection component; the mounting plate (1) comprises a first plate (1.1) and a second plate (1.2) which are connected, and the first plate (1.1) is arranged in parallel with a first end face of a workpiece (B) to be tested; the second plate (1.2) is arranged in parallel with the second end face of the workpiece (B) to be detected; mounting holes (1.3) for mounting walking components are formed in the first plate (1.1) and the second plate (1.2); a groove unit is arranged on the first plate (1.1) and/or the second plate (1.2), and the detection member is slidably arranged on the groove unit;
the walking assembly comprises a plurality of walking single pieces, each walking single piece comprises a rolling piece (2) and a positioning piece (3), each positioning piece (3) penetrates through the corresponding mounting hole (1.3) and is fixedly connected with the corresponding mounting plate (1), and the rolling pieces (2) can be rotatably arranged at one ends of the positioning pieces (3) and are used for contacting the surface of a workpiece (B) to be detected.
2. The flatness detecting device according to claim 1, wherein the positioning member (3) comprises an insertion section (3.1), a limiting section (3.2) and a main body section (3.3) which are sequentially arranged along the direction of the insertion mounting hole (1.3), and the rolling member (2) is arranged at one end of the main body section (3.3) far away from the limiting section (3.2); insert section (3.1) and insert mounting hole (1.3), spacing section (3.2) and one side joint of mounting hole (1.3) still be equipped with first retaining member on inserting section (3.1), the opposite side joint of first retaining member and mounting hole (1.3).
3. The flatness detecting apparatus according to claim 2, wherein the mounting hole (1.3) is a stepped hole including a first hole for receiving the stopper section (3.2) and a second hole for allowing only the insertion section (3.1) to be inserted.
4. The flatness detection apparatus according to claim 3, wherein the stopper section (3.2) is a kidney-shaped structure; the first hole is a waist-shaped hole matched with the limiting section (3.2).
5. The flatness detecting device according to claim 2, characterized in that the rolling member (2) is arranged on the main body section (3.3) by a pin (6); the rolling element (2) is a bearing.
6. The flatness detecting apparatus according to any one of claims 2 to 5, wherein the detecting member comprises a slider (4) and a dial indicator (5), the slider (4) is slidably disposed on the groove unit, and a second locking member is disposed on the slider (4) for fixing the position of the slider (4) on the groove unit; the dial indicator (5) is detachably connected with the sliding block (4).
7. The flatness detecting apparatus according to claim 6, wherein the groove unit includes a first groove (1.4), and the slider (4) is slidably disposed on the first groove (1.4).
8. The flatness detecting apparatus according to claim 7, wherein the groove unit further includes second grooves (1.5) juxtaposed to the first grooves (1.4), the number of the second grooves (1.5) is two, and the second grooves are symmetrically disposed at both sides of the first grooves (1.4); the two ends of the sliding block (4) are correspondingly connected with the second groove (1.5) through second locking pieces respectively.
9. The flatness detecting apparatus according to claim 8, wherein the first locking member is a nut, and the second locking member is a bolt and a nut; the workpiece (B) to be detected is a bearing ring; the outer diameter of the bearing ring is 2-8 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205111.6U CN216694801U (en) | 2022-01-25 | 2022-01-25 | Flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205111.6U CN216694801U (en) | 2022-01-25 | 2022-01-25 | Flatness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216694801U true CN216694801U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220205111.6U Active CN216694801U (en) | 2022-01-25 | 2022-01-25 | Flatness detection device |
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| Country | Link |
|---|---|
| CN (1) | CN216694801U (en) |
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- 2022-01-25 CN CN202220205111.6U patent/CN216694801U/en active Active
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