CN112161556A - Magnetic force detection device for radial runout of machine tool cutter - Google Patents
Magnetic force detection device for radial runout of machine tool cutter Download PDFInfo
- Publication number
- CN112161556A CN112161556A CN202011090797.0A CN202011090797A CN112161556A CN 112161556 A CN112161556 A CN 112161556A CN 202011090797 A CN202011090797 A CN 202011090797A CN 112161556 A CN112161556 A CN 112161556A
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- China
- Prior art keywords
- fixed sleeve
- cutter
- sleeve
- detection device
- machine tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
Abstract
The invention discloses a magnetic force detection device for radial runout of a machine tool cutter, which detects through resistance change. The detection device capable of detecting the tool without contact tool pendulum is characterized in that the fixed sleeve is a semi-ring sleeve, a positioning column is arranged at one end of the fixed sleeve, a positioning hole corresponding to the positioning column is formed in the other end of the fixed sleeve, a plurality of magnetic sheets distributed at equal intervals are arranged on the fixed sleeve, two groups of connecting rods are respectively arranged on two sides of the fixed sleeve and are composed of at least three connecting rods, one end of each connecting rod is fixedly connected with the fixed sleeve, the other end of each connecting rod is far away from the fixed sleeve and extends towards the central line of the fixed sleeve, an arc frame and a group of connecting rods are connected, the central line of the arc frame is collinear with the central line of the fixed sleeve, and the fixed sleeve is matched.
Description
Technical Field
The invention discloses a magnetic force detection device for radial runout of a machine tool cutter, relates to a device for detecting the radial runout of the machine tool cutter, and belongs to the field of machine tool equipment. And more particularly to detection by resistance change. Detection device that can carry out contactless sword pendulum to the cutter detects.
Background
The tool pendulum is that when a tool moves, the operating diameter of the tool and the standard diameter of the tool, which are generated due to various reasons of a machine tool spindle or the tool, have deviation, in precision machining, the size of the tool pendulum is good for machining precision, and conventionally, a method for measuring the tool pendulum is to abut a gauge head of a dial indicator or a dial indicator against a tool bar of the tool, then give a small rotating speed to the tool to rotate the tool, and then measure the tool pendulum amount by observing the jumping amplitude of a pointer on the gauge.
Notice No. CN109084655A discloses a CNC cutter machine outer cutter pendulum detection device, the on-line screen storage device comprises a base, the base bottom inlays and is equipped with ring type seal, base top central authorities run through and have seted up the mounting groove, the embedded tapering piece that is equipped with of mounting groove, the inboard cover of tapering piece is equipped with the bush, the inboard evenly distributed of bush has the steel ball, just the inboard rotation cover of bush is equipped with handle of a knife system, base top one side inlays and is equipped with the supporting shoe, and this detection device detects the table needle of table when measuring the cutter pendulum and directly touches with rotatory cutter arbor, produces wearing and tearing easily, and survey needle gauge head department is broken by rotatory cutter easily.
Disclosure of Invention
In order to improve the situation, the invention provides a magnetic force detection device for radial runout of a machine tool cutter, which detects through resistance change. Detection device that can carry out contactless sword pendulum to the cutter detects.
The invention relates to a magnetic force detection device for radial runout of a machine tool cutter, which is realized by the following steps: the invention relates to a magnetic force detection device for radial runout of a machine tool cutter, which consists of a positioning device and a detection device, wherein the positioning device consists of a fixed sleeve, an arc frame, connecting rods, magnetic sheets, positioning columns and positioning holes, the fixed sleeve is a semi-ring-shaped sleeve, one end of the fixed sleeve is provided with the positioning column, the other end of the fixed sleeve is provided with the positioning hole corresponding to the positioning column, the fixed sleeve is provided with a plurality of magnetic sheets which are distributed at equal intervals, two groups of connecting rods are respectively arranged on two sides of the fixed sleeve, one group of connecting rods consists of at least three connecting rods, one end of each connecting rod is fixedly connected with the fixed sleeve, the other end of each connecting rod is far away from the fixed sleeve and extends towards the central line of the fixed sleeve, the arc frame is connected with one group, the detection device comprises an induction rod, a measuring head, a connecting wire, a lifting rod, a magnetic gauge stand, a spring, a wire, a contact and a C-shaped guide sheet, wherein the fixed end of the lifting rod is arranged on the magnetic gauge stand, the measuring head is arranged on the movable end of the lifting rod, a cavity is arranged in the measuring head, the wire is arranged in the cavity of the measuring head, a connecting groove is formed in the wire, the contact is arranged at the connecting groove of the wire, one end of the induction rod is arranged in the connecting groove on the wire, the measuring head is extended out of the other end of the induction rod, the C-shaped guide sheet is arranged on the part, located in the connecting groove, of the induction rod, the other end face of the induction rod is an arc-shaped face, the spring is arranged in the connecting groove, one end of the spring.
Has the beneficial effects.
Firstly, the tool can be subjected to non-contact tool swing detection, and abrasion caused by contact of a measuring head and a rotating tool is avoided.
And secondly, the risk that the contact between the measuring head and the cutter is damaged can be avoided.
And thirdly, measurement is convenient for personnel, and the measurement distance between the measuring head and the machining tool does not need to be excessively regulated and controlled during measurement.
Drawings
FIG. 1 is a schematic structural diagram of a magnetic force detection device for radial runout of a machine tool bit according to the present invention;
FIG. 2 is a three-dimensional exploded view of the magnetic force detecting device for radial runout of a machine tool according to the present invention;
FIG. 3 is a schematic structural diagram of a measuring head of the magnetic force detection device for radial runout of a machine tool bit according to the present invention.
In the attached drawings
Wherein the method comprises the following steps: the device comprises a main shaft (1), a machining tool (2), a fixing sleeve (3), an induction rod (4), a measuring head (5), a connecting wire (6), a lifting rod (7), a magnetic meter seat (8), an arc frame (9), a connecting rod (10), a magnetic sheet (11), a positioning column (12), a positioning hole (13), a spring (14), a wire (15), a contact (16) and a C-shaped guide sheet (17).
The specific implementation mode is as follows:
the invention relates to a magnetic force detection device for radial runout of a machine tool cutter, which is realized by the following steps: the invention relates to a magnetic force detection device for radial runout of a machine tool cutter, which comprises a positioning device and a detection device, wherein the positioning device comprises a fixed sleeve (3), an arc frame (9), a connecting rod (10), magnetic sheets (11), positioning columns (12) and positioning holes (13), the fixed sleeve (3) is a semi-ring-shaped sleeve, one end of the fixed sleeve (3) is provided with the positioning columns (12), the other end of the fixed sleeve (3) is provided with the positioning holes (13) corresponding to the positioning columns (12), the fixed sleeve (3) is provided with a plurality of magnetic sheets (11) which are distributed at equal intervals, two groups of connecting rods (10) are respectively arranged on two sides of the fixed sleeve (3), one group of the connecting rods (10) comprises at least three connecting rods (10), one end of each connecting rod (10) is fixedly connected with the fixed sleeve (3), and the other end of each connecting rod (10) far away from the, the arc frame (9) is connected with a group of connecting rods (10), the central line of the arc frame (9) and the central line of the fixed sleeve (3) are collinear, the two fixed sleeves (3) are matched with a positioning hole (13) through a positioning column (12) to form an integral sleeve, a detection device comprises an induction rod (4), a measuring head (5), a connecting line (6), a lifting rod (7), a magnetometer stand (8), a spring (14), a lead (15), a contact (16) and a C-shaped guide sheet (17), the fixed end of the lifting rod (7) is arranged on the magnetometer stand (8), the measuring head (5) is arranged on the movable end of the lifting rod (7), a cavity is arranged in the measuring head (5), the lead (15) is arranged in the cavity of the measuring head (5), a connecting groove is formed in the lead (15), the contact (16) is arranged at the opening part of the connecting groove of the lead (15), one end of the induction rod (4) is arranged in the connecting groove, the other end of the induction rod (4) extends out of the measuring head (5), a C-shaped guide sheet (17) is arranged on the part, located in the connecting groove, of the induction rod (4), the other end face of the induction rod (4) is an arc-shaped face, a spring (14) is arranged in the connecting groove, one end of the spring (14) is connected with a lead (15), one end of a connecting wire (6) is connected with the lead (15), and the other end of the connecting wire (6) extends out of the measuring head (5);
when in use, the device is firstly adsorbed by the magnetic sheet (11) on the fixed sleeve (3), the device is sleeved and fixed on the processing cutter (2) of the existing main shaft (1) through the matching of the corresponding positioning column (12) and the positioning hole (13) on the arc frame (9), then the induction rod (4) of the measuring head (5) is aligned to the magnetic sheet (11) of the arc frame (9) for measurement, the main shaft (1) is applied with a rotating speed of 10-60 r/min, so as to drive the plurality of magnetic sheets (11) on the arc frame (9) to correspondingly rotate, the induction rod (4) on the measuring head (5) is attracted, the induction rod (4) slides corresponding to the swinging of the processing cutter (2), so that the effective communication length between the C-shaped guide sheet (17) on the induction rod (4) and the contact (16) correspondingly changes, different resistances are formed, the current fluctuation is visually reflected, and is displayed by the magnetic gauge stand (8), thus, the swing amplitude of the processing cutter (2) is ascertained;
one end of the fixed sleeve (3) is provided with a positioning column (12), and the other end of the fixed sleeve (3) is provided with a positioning hole (13) corresponding to the positioning column (12), so that the detachable structure is convenient for disassembly and assembly;
the fixed sleeve (3) is provided with a plurality of magnetic sheets (11) which are distributed at equal intervals, and the fixed sleeve (3) can intermittently attract the induction rod (4) on the measuring head (5) when rotating;
the center line of the arc frame (9) and the center line of the fixed sleeve (3) are collinear, and the side arc frame (9) and the fixed sleeve (3) are eccentric to cause vibration;
the connecting groove is internally provided with a spring (14), so that buffering can be realized, damage is avoided, and the induction rod (4) can be conveniently reset for subsequent use after induction is finished;
the positioning device and the machining tool (2) are matched, detection is carried out through the positioning device, non-contact tool swing detection can be carried out on the tool, and abrasion caused by contact of the measuring head (5) and the rotating tool is avoided;
the design that the induction rod (4) is matched with the contact can reflect the swing amplitude through resistance change, so that the measurement is convenient for personnel, and the measurement distance between the measuring head (5) and the machining tool (2) does not need to be excessively regulated and controlled during measurement;
detection through resistance change is achieved. The purpose of non-contact tool pendulum detection can be carried out on the tool.
Claims (8)
1. The utility model provides a lathe cutter radial runout magnetic detection device which characterized by: the detection device comprises an induction rod, a measuring head, a connecting wire, a lifting rod, a magnetic gauge seat, a spring, a lead, a contact and a C-shaped guide sheet, wherein the fixed sleeve is a semi-ring-shaped sleeve, one end of the fixed sleeve is provided with the positioning column, the other end of the fixed sleeve is provided with the positioning hole corresponding to the positioning column, the fixed sleeve is provided with a plurality of magnetic sheets distributed at equal intervals, two groups of connecting rods are respectively arranged on two sides of the fixed sleeve, one group of connecting rods comprises at least three connecting rods, one end of each connecting rod is fixedly connected with the fixed sleeve, the arc frame is connected with one group of connecting rods, the two fixed sleeves are matched with the positioning column and the positioning hole to form a whole ring sleeve, the detection device comprises the induction rod, the measuring head, the connecting wire, the lifting rod, the magnetic gauge seat, the spring, the lead, the, the measuring head is internally provided with a cavity, a lead is arranged in the cavity of the measuring head, a connecting groove is formed in the lead, a contact is arranged at the opening of the connecting groove of the lead, one end of a sensing rod is arranged in the connecting groove of the lead, the other end of the sensing rod extends out of the measuring head, a C-shaped guide sheet is arranged on the part, located in the connecting groove, of the sensing rod, a spring is arranged in the connecting groove, one end of the spring is connected with the lead, one end of a connecting wire is connected with the lead, and the other end of the connecting.
2. The magnetic detection device for detecting the radial runout of the machine tool cutter as claimed in claim 1, wherein the positioning device and the processing cutter are cooperatively designed to detect through the positioning device, so that the cutter can be subjected to non-contact type cutter swing detection, and the abrasion caused by the contact of a measuring head and a rotating cutter is avoided.
3. The magnetic force detecting device for detecting the radial runout of a machine tool cutter as claimed in claim 1, wherein the fixing sleeve is provided with a plurality of magnetic sheets which are equidistantly distributed, and the fixing sleeve can intermittently attract the sensing rod on the measuring head when rotating.
4. The magnetic force detection device for the radial runout of the machine tool cutter as claimed in claim 1, wherein the design of the cooperation of the induction rod and the contact head can reflect the swing amplitude through resistance change, so that the measurement is convenient for personnel, and the measurement distance between the measuring head and the machining cutter does not need to be excessively regulated and controlled during measurement.
5. The magnetic force detection device for radial runout of machine tool cutters as claimed in claim 1, wherein the connecting slots are provided with springs inside, so that the connecting slots can be buffered, and the sensing rod can be conveniently reset for subsequent use after sensing is finished.
6. The magnetic force detecting device for radial runout of machine tool bits according to claim 1, wherein the center line of the arc frame and the center line of the securing sleeve are collinear.
7. The magnetic force detecting device for radial runout of machine tool bits according to claim 4, wherein the other end face of the induction rod is an arc-shaped face.
8. The magnetic force sensing device for radial runout of machine tool bits as claimed in claim 1, wherein the other end of said connecting rod extends away from the stationary sleeve towards the center line of the stationary sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090797.0A CN112161556A (en) | 2020-10-13 | 2020-10-13 | Magnetic force detection device for radial runout of machine tool cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090797.0A CN112161556A (en) | 2020-10-13 | 2020-10-13 | Magnetic force detection device for radial runout of machine tool cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112161556A true CN112161556A (en) | 2021-01-01 |
Family
ID=73866665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011090797.0A Withdrawn CN112161556A (en) | 2020-10-13 | 2020-10-13 | Magnetic force detection device for radial runout of machine tool cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112161556A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172478A (en) * | 2021-04-21 | 2021-07-27 | 昆山歌尔电子有限公司 | Automatic cutter detection method |
| CN117268218A (en) * | 2023-11-23 | 2023-12-22 | 金乡县赛驰电动车有限公司 | Detection device and control method for differential mechanism shell of electric automobile |
-
2020
- 2020-10-13 CN CN202011090797.0A patent/CN112161556A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172478A (en) * | 2021-04-21 | 2021-07-27 | 昆山歌尔电子有限公司 | Automatic cutter detection method |
| CN117268218A (en) * | 2023-11-23 | 2023-12-22 | 金乡县赛驰电动车有限公司 | Detection device and control method for differential mechanism shell of electric automobile |
| CN117268218B (en) * | 2023-11-23 | 2024-02-23 | 金乡县赛驰电动车有限公司 | Detection device and control method for differential mechanism shell of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210101 |