CN109520397B - Concentricity detection tool for parts - Google Patents
Concentricity detection tool for parts Download PDFInfo
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- CN109520397B CN109520397B CN201811536516.2A CN201811536516A CN109520397B CN 109520397 B CN109520397 B CN 109520397B CN 201811536516 A CN201811536516 A CN 201811536516A CN 109520397 B CN109520397 B CN 109520397B
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- hollow shaft
- rotating plate
- layer
- cylindrical hole
- measuring meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a concentricity detection tool for a part, which comprises a bracket, a rotating device for driving the part to be detected to rotate and a measuring meter for detecting concentricity of the part, wherein the bracket comprises a bottom plate and vertical rods vertically arranged on the bottom plate, the rotating device is arranged above the bottom plate, the measuring meter is arranged on the vertical rods, an upper rotating plate for being matched and connected with the part to be detected is arranged at the top of the rotating device, a reference layer for serving as a concentricity detection reference is arranged on the upper rotating plate, the reference layer is of a cylinder structure, at least two measuring meters are arranged, and the measuring meter comprises a reference measuring meter for measuring the outer diameter of the reference layer and a part measuring meter for measuring the outer diameter of the part to be detected, and the reference measuring meter is arranged below the part measuring meter.
Description
Technical Field
The invention relates to the field of part detection, in particular to a concentricity detection tool for parts.
Background
For manufacturing industry, the quality and the quantity of product parts are related to the development of enterprises, along with the development and the improvement of production technology and the gradual expansion of production lines, the production quantity of parts is greatly increased, but how to ensure the production quality of the parts becomes the technical key point of the production of enterprises, the parts are generally subjected to factory detection after being processed, whether the parts are qualified or not is confirmed, in the assembly process of the parts, the parts are required to be positioned by means of the inner holes, the concentricity between the inner holes and the outer cylinders is required to be ensured, so that the concentricity detection of the parts is one of necessary detection items when the parts are subjected to factory detection, at present, a manual detection mode is generally adopted, and the measurement is carried out by means of a scale and a lever table, but the hole site of the parts and the concentricity of the parts are relatively high in a manual detection mode, the detection precision and the detection efficiency are not high, and the detection work of the parts in a large batch is difficult to be solved, and a concentricity detection tool for the parts is required to be designed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the part concentricity detection tool which is simple to operate and high in detection efficiency.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a concentricity detects frock, includes the support, is used for driving the rotary device who waits to detect the part pivoted, is used for detecting the measuring table of part concentricity, the support includes the bottom plate and installs the pole setting on the bottom plate perpendicularly, rotary device installs in the bottom plate top, the measuring table is installed in the pole setting, rotary device's top is equipped with the upper rotating plate that is used for being connected with waiting to detect the part cooperation, the upper rotating plate is equipped with the reference layer that is used for as concentricity detection benchmark, the reference layer is the cylinder structure, the measuring table is equipped with two at least, including the reference measuring table that is used for measuring the reference layer external diameter and the part measuring table that is used for measuring the part external diameter that waits to detect, the below at the part measuring table is installed to the reference measuring table.
In the invention, the rotating device also comprises an upper outer sleeve arranged below the upper rotating plate, a lower outer sleeve arranged below the upper outer sleeve, a hollow shaft arranged below the upper rotating plate and penetrating through the upper outer sleeve and the lower outer sleeve, a locking mechanism which penetrates through the hollow shaft from bottom to top and is connected with the upper rotating plate, and two bearings for supporting the hollow shaft to rotate, wherein the upper rotating plate is fixedly connected with the hollow shaft relatively through the locking mechanism, and the two bearings are sleeved on the outer wall of the hollow shaft.
In the invention, the gauge head of the reference measuring meter is forward to the outer wall of the reference layer, and the gauge head of the part measuring meter is forward to the outer wall of the part to be detected.
In the invention, the locking mechanism comprises a cushion sleeve arranged below the hollow shaft, a screw rod which penetrates through the cushion sleeve and extends upwards to be connected with the upper rotating plate, and a nut for fixing the mounting position of the bearing, wherein the nut is fixedly connected to the bottom of the hollow shaft.
In the invention, the top of the upper rotating plate is provided with a connecting layer matched with a part to be detected, the connecting layer is of a cylindrical structure, a transition layer is arranged between the connecting layer and the reference layer, the transition layer is of a cylindrical structure, the bottom of the upper rotating plate is provided with a locking layer for connecting a locking mechanism, the locking layer is arranged below the reference layer, and a threaded hole is drilled in the locking layer from bottom to top.
In the invention, the hollow shaft comprises an upper hollow shaft arranged in an upper outer sleeve and a lower hollow shaft arranged in a lower outer sleeve, two mounting positions for mounting two bearings are arranged on the lower hollow shaft, a connecting position is arranged between the two mounting positions, the outer diameter of the connecting position is smaller than that of the mounting position, and threads are arranged at the bottom of the lower hollow shaft.
In the invention, the lower outer sleeve is of a hollow cylindrical structure, the inner cavity of the lower outer sleeve comprises a first cylindrical hole, a second cylindrical hole, a third cylindrical hole, a fourth cylindrical hole, a fifth cylindrical hole, a sixth cylindrical hole and a round platform hole which are sequentially connected from top to bottom, and the pore size relationship of the inner cavity of the lower outer sleeve is as follows: the diameter of the upper end of the round table hole is equal to that of the sixth cylindrical hole, and the diameter of the round table hole is gradually enlarged from top to bottom.
In the invention, the upper part of the cushion sleeve is matched with the hollow shaft, the lower part of the cushion sleeve is arranged below the hollow shaft, the lower part of the cushion sleeve is of a cylindrical structure, and the diameter of the lower part of the cushion sleeve is between the outer diameter and the inner diameter of the bottom of the hollow shaft.
In the invention, the two bearings are respectively arranged on the second cylindrical hole and the fourth cylindrical hole, and the bearings arranged on the fourth cylindrical hole are fixed by nuts connected to the bottom of the hollow shaft.
In the invention, a washer connection is arranged between the nut and the bearing.
The beneficial effects of the invention are as follows: according to the concentricity detection tool for the parts, when the concentricity of the parts is detected, the parts are only required to be placed on the upper rotating plate, the connecting layer at the top of the upper rotating plate is matched with the inner hole at the bottom of the parts, the gauge head of the reference gauge and the gauge head of the part gauge are respectively contacted with the reference layer and the outer wall of the parts, the reference gauge and the part gauge are set to be zero, so that the preparation work of the tool detection is completed, then the upper rotating plate and the parts are driven to rotate by rotating the upper jacket, the difference value between the reference gauge and the part gauge is the concentricity tolerance value of the parts, the detection tool is simple to operate and high in precision, the preparation work can be completed for the first time, the second part can directly carry out the detection work, and the efficiency of the part detection is improved.
Drawings
The invention is further described below with reference to the drawings and embodiments:
FIG. 1 is a schematic diagram of the overall structure of the present embodiment;
FIG. 2 is a schematic diagram of a rotating apparatus according to the present embodiment;
FIG. 3 is a schematic view of the structure of the upper rotating plate of the present embodiment;
FIG. 4 is a schematic structural view of the hollow shaft of the present embodiment;
FIG. 5 is a schematic view of the structure of the lower outer jacket of the present embodiment;
fig. 6 is a schematic structural diagram of the cushion cover according to the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Examples:
the utility model provides a concentricity detection frock of part, includes support 1, is used for driving the rotary device 2 that waits to detect the part pivoted, is used for detecting the measuring table 3 of part concentricity, support 1 includes bottom plate 11 and the pole setting 12 of perpendicular installation on bottom plate 11, rotary device 2 installs in bottom plate 11 top, measuring table 3 installs on pole setting 12, the top of rotary device 2 is equipped with the upward-turning plate 21 that is used for being connected with waiting to detect the part cooperation, upward-turning plate 21 is equipped with the reference layer 211 that is used for being regarded as concentricity detection benchmark, reference layer 211 is the cylinder structure, measuring table 3 is equipped with two at least, including the reference measuring table 31 that is used for measuring reference layer 211 external diameter and the part measuring table 32 that is used for measuring waiting to detect the part external diameter, reference measuring table 31 installs in the below of part measuring table 32, part measuring table 32 can set up a plurality of and carry out the contrast measurement along the vertical direction of part to carry out the outer circumference of part different height, is equipped with a reference measuring table 31 and a part measuring table 32 in this embodiment, carries out the reference layer 211 as the reference layer, and the part measuring table is used for carrying out the part measuring table in the time to carry out the following and need to examine the work to accomplish the work when first time: placing the part to be detected on the upper rotating plate 21, matching a connecting layer 212 at the top of the upper rotating plate 21 with an inner hole at the bottom of the part, then moving the rotating device 2 to enable the gauge head of the reference measuring meter 31 and the gauge head of the part measuring meter 32 to be respectively contacted with the reference layer 211 and the outer wall of the part to be detected, and setting the reference measuring meter 31 and the part measuring meter 32 to be zero to finish preparation work; then, detection work is carried out, and the work content is as follows: the upper outer sleeve 22 rotates slowly, the upper outer sleeve 22 drives the upper rotating plate 21 to rotate synchronously with the part to be detected, the difference value between the reference measuring meter 31 and the part measuring meter 32 is checked to obtain the concentricity tolerance value of the part, the detection tool has the characteristics of simplicity in operation and high precision, when the concentricity of the next identical part is detected, the preparation work is not needed, the detection work of the part is identical, and the concentricity detection of the part can be rapidly carried out, so that the detection efficiency of the part is improved.
As a preferred embodiment, the rotating device 2 further comprises an upper outer sleeve 22 arranged below the upper rotating plate 21, a lower outer sleeve 23 arranged below the upper outer sleeve 22, a hollow shaft 24 arranged below the upper rotating plate 21 through the upper outer sleeve 22 and the lower outer sleeve 23, a locking mechanism 25 connected with the upper rotating plate 21 from bottom to top through the hollow shaft 24, and two bearings 26 for supporting the hollow shaft 24 to rotate, wherein the upper rotating plate 21 is fixedly connected with the hollow shaft 24 relatively through the locking mechanism 25, the two bearings 26 are sleeved on the outer wall of the hollow shaft 24, the gauge head of the reference gauge 31 is forward to the outer wall of the reference layer 211, and the gauge head of the part gauge 32 is forward to the outer wall of the part to be detected.
As a preferred embodiment, the locking mechanism 25 includes a spacer 251 installed below the hollow shaft 24, a screw rod 252 extending upward through the spacer 251 and connected to the upper rotating plate 21, and a nut 253 for fixing the installation position of the bearing 26, the nut 253 is fixedly connected to the bottom of the hollow shaft 24, a washer 254 is provided between the nut 253 and the bearing 26 to connect, and the nut 253 is used to limit the position of the bearing 26 in the hollow space, so as to support the rotation of the hollow shaft 24 and make the rotation of the hollow shaft 24 smoother, and by providing the washer 254 between the nut 253 and the bearing 26, the bearing 26 can be effectively prevented from interfering with the nut 253 during the rotation.
As a preferred embodiment, the top of the upper rotating plate 21 is provided with a connecting layer 212 matched with the part to be detected, the connecting layer 212 is in a cylindrical structure, a transition layer 213 is arranged between the connecting layer 212 and the reference layer 211, the transition layer 213 is in a cylindrical structure, the bottom of the upper rotating plate 21 is provided with a locking layer 214 for connecting the locking mechanism 25, the locking layer 214 is arranged below the reference layer 211, the locking layer 214 is provided with a threaded hole 215 from bottom to top, a screw 252 penetrates through a cushion 251 from bottom to top to be connected with the threaded hole 215, the upper rotating plate 21 and the hollow shaft 24 are connected with each other to perform synchronous motion through the locking action of the screw 252 and the cushion 251, and the upper rotating plate 21 and the upper outer sleeve 22 perform synchronous motion through the mutual static friction force action, so that the detection work of the part to be detected is realized.
As a preferred embodiment, the hollow shaft 24 includes an upper hollow shaft 241 disposed in the upper outer jacket 22 and a lower hollow shaft 242 disposed in the lower outer jacket 23, two mounting positions 2421 for mounting two bearings 26 are disposed on the lower hollow shaft 242, a connection position 2422 is disposed between the two mounting positions 2421, the outer diameter nominal size of the two mounting positions 2421 is 50mm, the mounting positions 2421 are in interference fit with the bearings 26, the outer diameter nominal size of the connection position 2422 is 49mm, the outer diameter of the connection position 2422 is smaller than the outer diameter of the mounting position 2421, so as to facilitate the mounting of the bearings 26, threads are disposed at the bottom of the lower hollow shaft 242, and the bearings 26 are limited and fixed by connecting nuts 253 on the threads.
As a preferred embodiment, the lower outer sleeve 23 is of a hollow cylindrical structure, and the inner cavity of the lower outer sleeve 23 includes a first cylindrical hole 231, a second cylindrical hole 232, a third cylindrical hole 233, a fourth cylindrical hole 234, a fifth cylindrical hole 235, a sixth cylindrical hole 236, and a circular truncated cone hole 237, which are sequentially connected from top to bottom, where the average pore diameter nominal size is as follows: 101.5mm, 90mm, 82mm, 90mm, 91mm, 90mm, 98mm, the inner cavity aperture size of the lower outer sleeve 23 is as follows: the first cylindrical hole 231 > the fifth cylindrical hole 235 > the second cylindrical hole 232=the fourth cylindrical hole 234=the sixth cylindrical hole 236 > the fifth cylindrical hole 235, the aperture of the upper end of the circular truncated cone 237 is equal to that of the sixth cylindrical hole 236, the aperture of the circular truncated cone 237 is gradually enlarged from top to bottom, and the installation of the bearing 26 can reach the limit effect by the structure of the lower outer sleeve 23 arranged in the structure, and the installation of the locking mechanism 25 is facilitated.
As a preferred embodiment, the upper part of the pad 251 is matched with the hollow shaft 24, the lower part of the pad 251 is installed below the hollow shaft 24, the lower part of the pad 251 is in a cylindrical structure, and the diameter of the lower part of the pad 251 is between the outer diameter and the inner diameter of the bottom of the hollow shaft 24. The two bearings 26 are respectively installed on the second cylindrical hole 232 and the fourth cylindrical hole 234, the bearings 26 installed on the fourth cylindrical hole 234 are fixed through nuts 253 connected to the bottom of the hollow shaft 24, two ends of the hollow shaft 24 are respectively fixed through a cushion sleeve 251 and an upper rotating plate 21, and then the cushion sleeve 251, the hollow shaft 24 and the upper rotating plate 21 are connected in series through a screw rod 252 to form an integral structure, so that connection between the hollow shaft 24 and the upper rotating plate 21 is achieved.
The foregoing is only a preferred embodiment of the present invention, and all technical solutions for achieving the object of the present invention by substantially the same means are included in the scope of the present invention.
Claims (5)
1. Concentricity of part detects frock, its characterized in that: the device comprises a support (1), a rotating device (2) for driving a part to be detected to rotate and a measuring meter (3) for detecting concentricity of the part, wherein the support (1) comprises a bottom plate (11) and upright rods (12) vertically arranged on the bottom plate (11), the rotating device (2) is arranged above the bottom plate (11), the measuring meter (3) is arranged on the upright rods (12), an upper rotating plate (21) for being connected with the part to be detected in a matched mode is arranged at the top of the rotating device (2), a reference layer (211) serving as a concentricity detection reference is arranged on the upper rotating plate (21), the reference layer (211) is of a cylindrical structure, at least two measuring meters (3) are arranged, each measuring meter comprises a reference measuring meter (31) for measuring the outer diameter of the reference layer (211) and a part measuring meter (32) for measuring the outer diameter of the part to be detected, and the reference measuring meter (31) is arranged below the part measuring meter (32);
the rotating device (2) further comprises an upper outer sleeve (22) arranged below the upper rotating plate (21), a lower outer sleeve (23) arranged below the upper outer sleeve (22), a hollow shaft (24) arranged below the upper rotating plate (21) in a penetrating manner through the upper outer sleeve (22) and the lower outer sleeve (23), a locking mechanism (25) connected with the upper rotating plate (21) in a penetrating manner from bottom to top through the hollow shaft (24), and two bearings (26) used for supporting the hollow shaft (24) to rotate, wherein the upper rotating plate (21) is fixedly connected with the hollow shaft (24) relatively through the locking mechanism (25), and the two bearings (26) are sleeved on the outer wall of the hollow shaft (24);
the locking mechanism (25) comprises a cushion sleeve (251) arranged below the hollow shaft (24), a screw rod (252) which penetrates through the cushion sleeve (251) and extends upwards to be connected with the upper rotating plate (21), and a nut (253) for fixing the mounting position of the bearing (26), wherein the nut (253) is fixedly connected to the bottom of the hollow shaft (24);
the top of the upper rotating plate (21) is provided with a connecting layer (212) matched with a part to be detected, the connecting layer (212) is of a cylindrical structure, a transition layer (213) is arranged between the connecting layer (212) and the reference layer (211), the transition layer (213) is of a cylindrical structure, the bottom of the upper rotating plate (21) is provided with a locking layer (214) for connecting a locking mechanism (25), the locking layer (214) is arranged below the reference layer (211), and the locking layer (214) is provided with a threaded hole (215) from bottom to top;
the hollow shaft (24) comprises an upper hollow shaft (241) arranged in an upper outer sleeve (22) and a lower hollow shaft (242) arranged in a lower outer sleeve (23), two mounting positions (2421) for mounting two bearings (26) are arranged on the lower hollow shaft (242), a connecting position (2422) is arranged between the two mounting positions (2421), the outer diameter of the connecting position (2422) is smaller than the outer diameter of the mounting position (2421), and threads are formed at the bottom of the lower hollow shaft (242);
the lower outer sleeve (23) is of a hollow cylindrical structure, the inner cavity of the lower outer sleeve (23) comprises a first cylindrical hole (231), a second cylindrical hole (232), a third cylindrical hole (233), a fourth cylindrical hole (234), a fifth cylindrical hole (235), a sixth cylindrical hole (236) and a circular truncated cone hole (237) which are sequentially connected from top to bottom, and the pore size relationship of the inner cavity of the lower outer sleeve (23) is as follows: the diameter of the upper end of the round table hole (237) is equal to that of the sixth cylindrical hole (236), and the diameter of the round table hole (237) gradually expands from top to bottom.
2. The concentricity detection tool for parts according to claim 1, wherein: the gauge head of the reference measuring meter (31) is forward to the outer wall of the reference layer (211), and the gauge head of the part measuring meter (32) is forward to the outer wall of the part to be detected.
3. The concentricity detection tool for parts according to claim 1, wherein: the upper portion of the pad sleeve (251) is matched with the hollow shaft (24), the lower portion of the pad sleeve (251) is arranged below the hollow shaft (24), the lower portion of the pad sleeve (251) is of a cylindrical structure, and the diameter of the lower portion of the pad sleeve (251) is between the outer diameter and the inner diameter of the bottom of the hollow shaft (24).
4. The concentricity detection tool for parts according to claim 1, wherein: the two bearings (26) are respectively arranged on the second cylindrical hole (232) and the fourth cylindrical hole (234), and the bearings (26) arranged on the fourth cylindrical hole (234) are fixed through nuts (253) connected to the bottom of the hollow shaft (24).
5. The concentricity detection tool for parts according to claim 4, wherein: a washer (254) is arranged between the nut (253) and the bearing (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536516.2A CN109520397B (en) | 2018-12-14 | 2018-12-14 | Concentricity detection tool for parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536516.2A CN109520397B (en) | 2018-12-14 | 2018-12-14 | Concentricity detection tool for parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109520397A CN109520397A (en) | 2019-03-26 |
| CN109520397B true CN109520397B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536516.2A Active CN109520397B (en) | 2018-12-14 | 2018-12-14 | Concentricity detection tool for parts |
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| CN (1) | CN109520397B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288952B (en) * | 2020-03-16 | 2022-07-05 | 湖南米艾西测控技术有限公司 | Automatic centering adjusting tool for rotary transformer |
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| CN201081677Y (en) * | 2007-08-03 | 2008-07-02 | 江苏罡阳动力转向器厂 | Vertically staggered hole pitch error tester |
| CN101216277A (en) * | 2008-01-16 | 2008-07-09 | 中工国际工程股份有限公司 | Axle coupler dedicated tester and method of use thereof |
| CN103542799A (en) * | 2013-11-08 | 2014-01-29 | 汕头市东方科技有限公司 | Coaxiality detecting device |
| CN103791816A (en) * | 2014-02-14 | 2014-05-14 | 哈尔滨工业大学 | Aircraft engine rotor assembly method and device based on concentricity and perpendicularity measurement |
| CN107514965A (en) * | 2017-08-23 | 2017-12-26 | 安徽江淮汽车集团股份有限公司 | A kind of crank spindle roundness and bent axle coaxiality error detection means |
-
2018
- 2018-12-14 CN CN201811536516.2A patent/CN109520397B/en active Active
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|---|---|---|---|---|
| CN201081677Y (en) * | 2007-08-03 | 2008-07-02 | 江苏罡阳动力转向器厂 | Vertically staggered hole pitch error tester |
| CN101216277A (en) * | 2008-01-16 | 2008-07-09 | 中工国际工程股份有限公司 | Axle coupler dedicated tester and method of use thereof |
| CN103542799A (en) * | 2013-11-08 | 2014-01-29 | 汕头市东方科技有限公司 | Coaxiality detecting device |
| CN103791816A (en) * | 2014-02-14 | 2014-05-14 | 哈尔滨工业大学 | Aircraft engine rotor assembly method and device based on concentricity and perpendicularity measurement |
| CN107514965A (en) * | 2017-08-23 | 2017-12-26 | 安徽江淮汽车集团股份有限公司 | A kind of crank spindle roundness and bent axle coaxiality error detection means |
Non-Patent Citations (1)
| Title |
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| 航空发动机转子装配同心度的偏差传递模型与优化;丁司懿等;《上海交通大学学报》;第52卷(第1期);第54-62页 * |
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