CN112729078A - Open sleeve internal thread concentricity detection device - Google Patents
Open sleeve internal thread concentricity detection device Download PDFInfo
- Publication number
- CN112729078A CN112729078A CN202011505202.3A CN202011505202A CN112729078A CN 112729078 A CN112729078 A CN 112729078A CN 202011505202 A CN202011505202 A CN 202011505202A CN 112729078 A CN112729078 A CN 112729078A
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- China
- Prior art keywords
- positioning
- internal thread
- sleeve
- opening sleeve
- detection device
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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
Abstract
The invention provides a device for detecting the concentricity of an internal thread of an opening sleeve, which comprises a dial indicator, a detection lever, a touch rod, a positioning seat, a positioning core shaft, a meter seat and a base, wherein the positioning seat and the meter seat are respectively arranged on the base, the positioning seat is fixedly connected with the positioning core shaft through a screw sleeve, the positioning core shaft extends out of the positioning seat and is used for enabling the opening sleeve to be sleeved and supported on the positioning core shaft, the dial indicator is arranged on the meter seat, the detection lever and the touch rod are respectively hinged on the meter seat through rotating pins, two ends of the touch rod respectively abut against the surface of the internal thread of the opening sleeve and one end of the detection lever, and the tail end of the touch rod abuts against the other end of. By adopting the technical scheme of the invention, the sleeve is centered and corrected by utilizing the positioning mandrel to align the correct central axis, then the corresponding scale reading is read out through the dial indicator, the sight line range of a user is extended by the detection lever, the user can conveniently and correctly read and record data, and the measurement precision is improved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a device for detecting concentricity of internal threads of an opening sleeve.
Background
In the technical field of machining, a sleeve is a common mechanical structure part, in order to ensure the manufacturing accuracy and quality of the mechanical part, after the mechanical structure part is manufactured and molded, form and position size elements of the corresponding part need to be detected, in the prior art, when the concentricity of an internal thread of the sleeve is detected, the sleeve is not centered and clamped, so that the measured data has large deviation and the measurement accuracy is low, and therefore, a detection method specially used for measuring the concentricity of the internal thread of the sleeve is urgently required to be developed and designed.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device for detecting the concentricity of an internal thread of an opening sleeve.
The invention is realized by the following technical scheme.
The invention provides a device for detecting the concentricity of an internal thread of an opening sleeve, which comprises a dial indicator, a detection lever, a feeler lever, a positioning seat, a positioning mandrel, a gauge stand and a base, wherein the positioning seat and the gauge stand are respectively arranged on the base, the positioning seat is also fixedly connected with a screw sleeve, the screw sleeve is fixedly connected with one end of the positioning mandrel, the other end of the positioning mandrel extends out of the positioning seat and is used for enabling the opening sleeve to be sleeved and supported on the positioning mandrel, the dial indicator is arranged on the gauge stand, the dial indicator comprises a measuring lever, the detection lever and the feeler lever are respectively hinged on the gauge stand through rotating pins, two ends of the feeler lever respectively abut against the surface of the internal thread of the opening sleeve and one end of the detection lever, and the tail end of the measuring lever abuts against the other end of the detection lever.
The device for detecting the concentricity of the internal thread of the opening sleeve further comprises a limiting sleeve, wherein a positioning taper hole is formed in the limiting sleeve, and the limiting sleeve is sleeved on the positioning core shaft through the positioning taper hole and expands the opening of the sleeve.
The device for detecting the concentricity of the internal thread of the opening sleeve further comprises a plug, wherein the plug is fixedly connected with the positioning core shaft by using a screw and covers the limiting sleeve.
The device for detecting the concentricity of the internal thread of the opening sleeve further comprises a supporting cylinder, a push rod and a screw plug, wherein the supporting cylinder is fixedly connected with the gauge stand, the screw plug is fixedly connected with the supporting cylinder, the push rod is sleeved in the supporting cylinder, one end of the push rod is supported on the screw plug, the other end of the push rod is fixedly connected with the push rod through a push block, the tail end of the push rod is abutted against the two opposite side surfaces of the other end of the detection lever respectively, an elastic part is further sleeved on the push rod, and the elastic part is arranged between the push block and the screw plug.
The elastic piece is a cylindrical spiral compression spring.
The ejector rod and the measuring rod are arranged along the vertical direction.
The trolley bars are arranged in a vertical direction.
Steel balls are clamped and plugged between the feeler lever and the inner thread surface of the opening sleeve or between the feeler lever and the detection lever.
The device for detecting the concentricity of the internal thread of the opening sleeve further comprises a sliding seat and a locking screw, the sliding seat is connected with the base in a sliding fit mode, and the locking screw penetrates through the sliding seat and then is fixedly connected with the gauge stand through a thread pair.
The positioning seat is arranged on the base through a positioning key, and a plurality of positioning pins are respectively connected between the positioning key and the base and between the gauge stand and the base.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, before the concentricity of the internal thread of the sleeve is measured, the sleeve is centered and corrected by using the positioning mandrel, so that the correct central axis is aligned, then the uneven state on the surface of the internal thread of the sleeve is transmitted to the dial indicator through the detection lever by the feeler lever, and the corresponding scale index is read by the dial indicator, so that the sight line range of a user is extended by the detection lever, the user can visually read the index and record data outside the internal thread of the sleeve, in addition, the stable supporting effect is realized on the detection lever by the supporting structure consisting of the ejector rod, the elastic piece, the supporting cylinder and other components, the reading error can be reduced, and the measurement precision is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-dial indicator, 2-detection lever, 3-feeler lever, 4-positioning seat, 5-gauge seat, 6-base, 7-screw sleeve, 8-positioning core shaft, 9-measuring rod, 10-rotating pin, 11-sleeve, 12-limiting sleeve, 13-plug, 14-supporting barrel, 15-push rod, 16-ejector rod, 17-screw plug, 18-top block, 19-elastic piece, 20-sliding seat, 21-locking screw, 22-positioning key, 23-positioning pin and 24-steel ball.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the invention provides a device for detecting concentricity of an internal thread of an opening sleeve, which comprises a dial indicator 1, a detection lever 2, a feeler lever 3, a positioning seat 4, a positioning mandrel 8, a gauge stand 5 and a base 6, wherein the positioning seat 4 and the gauge stand 5 are respectively installed on the base 6, the positioning seat 4 is also fixedly connected with a threaded sleeve 7, the threaded sleeve 7 is fixedly connected with one end of the positioning mandrel 8, the other end of the positioning mandrel 8 extends out of the positioning seat 4 and is used for enabling an opening sleeve 11 to be sleeved and supported on the positioning mandrel 8, the dial indicator 1 is installed on the gauge stand 5, the dial indicator 1 comprises a measuring rod 9, the detection lever 2 and the feeler lever 3 are respectively hinged on the gauge stand 5 through rotating pins 10, two ends of the feeler lever 3 respectively abut against the surface of the internal thread of the opening sleeve 11 and one end of the detection lever 2, and the tail end of the measuring.
Furthermore, the device for detecting the concentricity of the internal thread of the open sleeve further comprises a limiting sleeve 12, a positioning taper hole is arranged in the limiting sleeve 12, and the limiting sleeve 12 is sleeved on the positioning mandrel 8 through the positioning taper hole and expands the opening of the sleeve 11. The device for detecting the concentricity of the internal thread of the opening sleeve further comprises a plug 13, wherein the plug 13 is fixedly connected with the positioning core shaft 8 by using a screw and covers the limit sleeve 12.
In addition, the device for detecting the concentricity of the internal thread of the opening sleeve further comprises a supporting cylinder 14, a push rod 15, a push rod 16 and a screw plug 17, wherein the supporting cylinder 14 is fixedly connected with the meter seat 5, the screw plug 17 is fixedly connected with the supporting cylinder 14, the push rod 15 is sleeved in the supporting cylinder 14, one end of the push rod is supported on the screw plug 17, the other end of the push rod is fixedly connected with the push rod 16 through a top block 18, the tail end of the push rod 16 and the tail end of the measuring rod 9 are respectively abutted against two opposite side surfaces of the other end of the detection lever 2, an elastic piece 19 is further sleeved on the push rod 15, and the elastic piece 19 is arranged between the top block. Preferably, the elastic member 19 is a cylindrical helical compression spring.
Further, the jack 16 and the spindle 9 are arranged in the vertical direction. The trolley 3 is arranged in a vertical direction. Steel balls 24 are clamped and plugged between the contact rod 3 and the inner thread surface of the opening sleeve 11 or between the contact rod 3 and the detection lever 2. The device for detecting the concentricity of the internal thread of the opening sleeve further comprises a sliding seat 20 and a locking screw 21, wherein the sliding seat 20 is connected with the base 6 in a sliding fit manner, and the locking screw 21 penetrates through the sliding seat 20 and then is fixedly connected with the gauge stand 5 through a thread pair.
Furthermore, the positioning seat 4 is installed on the base 6 through a positioning key 22, and a plurality of positioning pins 23 are respectively connected between the positioning key 22 and the base 6 and between the gauge stand 5 and the base 6. The positioning seat 4, the positioning core shaft 8, the limiting sleeve 12, the plug 13, the gauge stand 5, the measuring rod 9 or the detection lever 2 are made of alloy steel with the brand number of CrWMn.
By adopting the technical scheme of the invention, before the concentricity of the internal thread of the sleeve is measured, the sleeve is centered and corrected by using the positioning mandrel, so that the correct central axis is aligned, then the uneven state on the surface of the internal thread of the sleeve is transmitted to the dial indicator through the detection lever by the feeler lever, and the corresponding scale index is read by the dial indicator, so that the sight line range of a user is extended by the detection lever, the user can visually read the index and record data outside the internal thread of the sleeve, in addition, the stable supporting effect is realized on the detection lever by the supporting structure consisting of the ejector rod, the elastic piece, the supporting cylinder and other components, the reading error can be reduced, and the measurement precision is improved.
Claims (10)
1. The utility model provides an open sleeve internal thread concentricity detection device which characterized in that: the dial indicator comprises a dial indicator (1), a detection lever (2), a feeler lever (3), a positioning seat (4), a positioning core shaft (8), a gauge stand (5) and a base (6), wherein the positioning seat (4) and the gauge stand (5) are respectively installed on the base (6), the positioning seat (4) is fixedly connected with a threaded sleeve (7), the threaded sleeve (7) is fixedly connected with one end of the positioning core shaft (8), the other end of the positioning core shaft (8) extends out of the positioning seat (4) and is used for enabling an opening sleeve (11) to be sleeved and supported on the positioning core shaft (8), the dial indicator (1) is installed on the gauge stand (5), the dial indicator (1) comprises a measuring rod (9), the detection lever (2) and the feeler lever (3) are respectively hinged on the gauge stand (5) through a rotating pin (10), and the two ends of the feeler lever (3) are respectively abutted against the inner thread surface of the opening sleeve (11), One end of the detection lever (2) is abutted against the other end of the detection lever (2) by the tail end of the measuring rod (9).
2. The opening sleeve internal thread concentricity detection device of claim 1, wherein: the device for detecting the concentricity of the internal thread of the opening sleeve further comprises a limiting sleeve (12), a positioning taper hole is formed in the limiting sleeve (12), and the limiting sleeve (12) is sleeved on the positioning mandrel (8) through the positioning taper hole and expands the opening of the sleeve (11).
3. The opening sleeve internal thread concentricity detection device of claim 2, wherein: the device for detecting the concentricity of the internal thread of the opening sleeve further comprises a plug (13), wherein the plug (13) is fixedly connected with the positioning core shaft (8) through a screw and covers the limiting sleeve (12).
4. The opening sleeve internal thread concentricity detection device of claim 1, wherein: the opening sleeve internal thread concentricity detection device further comprises a supporting cylinder (14), a push rod (15), a push rod (16) and a screw plug (17), wherein the supporting cylinder (14) is fixedly connected with the gauge stand (5), the screw plug (17) is fixedly connected with the supporting cylinder (14), the push rod (15) is sleeved in the supporting cylinder (14), one end of the push rod is supported on the screw plug (17), the other end of the push rod is fixedly connected with the push rod (16) through a top block (18), the tail end of the push rod (16) is abutted to the tail end of the measuring rod (9) respectively, two opposite side surfaces of the other end of the detection lever (2), an elastic piece (19) is sleeved on the push rod (15), and the elastic piece (19) is arranged between the top block (18) and the screw plug (17).
5. The opening sleeve internal thread concentricity detection device of claim 4, wherein: the elastic piece (19) is a cylindrical spiral compression spring.
6. The opening sleeve internal thread concentricity detection device of claim 4, wherein: the ejector rod (16) and the measuring rod (9) are arranged along the vertical direction.
7. The opening sleeve internal thread concentricity detection device of claim 1, wherein: the trolley bars (3) are arranged in a vertical direction.
8. The opening sleeve internal thread concentricity detection device of claim 1, wherein: and a steel ball (24) is clamped and plugged between the feeler lever (3) and the inner thread surface of the opening sleeve (11) or between the feeler lever (3) and the detection lever (2).
9. The opening sleeve internal thread concentricity detection device of claim 1, wherein: the opening sleeve internal thread concentricity detection device further comprises a sliding seat (20) and a locking screw (21), wherein the sliding seat (20) is connected with the base (6) in a sliding fit manner, and the locking screw (21) penetrates through the sliding seat (20) and then is fixedly connected with the gauge stand (5) through a thread pair.
10. The opening sleeve internal thread concentricity detection device of claim 1, wherein: the positioning seat (4) is arranged on the base (6) through a positioning key (22), and a plurality of positioning pins (23) are respectively connected between the positioning key (22) and the base (6) and between the gauge stand (5) and the base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505202.3A CN112729078A (en) | 2020-12-18 | 2020-12-18 | Open sleeve internal thread concentricity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505202.3A CN112729078A (en) | 2020-12-18 | 2020-12-18 | Open sleeve internal thread concentricity detection device |
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| Publication Number | Publication Date |
|---|---|
| CN112729078A true CN112729078A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505202.3A Pending CN112729078A (en) | 2020-12-18 | 2020-12-18 | Open sleeve internal thread concentricity detection device |
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| CN (1) | CN112729078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116674971A (en) * | 2023-08-04 | 2023-09-01 | 常州好力持五金有限公司 | Continuous detection conveying system of hardware sleeve tool |
| CN117029645A (en) * | 2023-10-09 | 2023-11-10 | 常州好力持五金有限公司 | Coaxiality automatic detection device of hardware sleeve tool |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116674971A (en) * | 2023-08-04 | 2023-09-01 | 常州好力持五金有限公司 | Continuous detection conveying system of hardware sleeve tool |
| CN116674971B (en) * | 2023-08-04 | 2023-10-20 | 常州好力持五金有限公司 | Continuous detection conveying system of hardware sleeve tool |
| CN117029645A (en) * | 2023-10-09 | 2023-11-10 | 常州好力持五金有限公司 | Coaxiality automatic detection device of hardware sleeve tool |
| CN117029645B (en) * | 2023-10-09 | 2023-12-08 | 常州好力持五金有限公司 | Coaxiality automatic detection device of hardware sleeve tool |
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Application publication date: 20210430 |