CN206169771U - Limit ware is sought to two eccentric point types - Google Patents
Limit ware is sought to two eccentric point types Download PDFInfo
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- CN206169771U CN206169771U CN201621231730.3U CN201621231730U CN206169771U CN 206169771 U CN206169771 U CN 206169771U CN 201621231730 U CN201621231730 U CN 201621231730U CN 206169771 U CN206169771 U CN 206169771U
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- metal contact
- axis
- contact
- metal
- shaft member
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Abstract
The utility model discloses limit ware is sought to two eccentric point types belongs to the machining field. The utility model aims to provide a messenger metal contact can be around the limit ware is sought to two eccentric point types of main shaft axis deflection after contacting with the processing work piece when improving measurement accuracy. Including axle piece, mounting, a metal contact and no. Two metal contact, the mounting includes lathe linkage segment and contact construction section, the axle piece is installed in the top of lathe linkage segment, metal contact and no. Two metal contact are fixed in the bottom of contact construction section, a metal contact's axis and no. Two metal contact's axis form an auxiliary plane, the axis of axle piece is outside auxiliary plane's orthographic projection is located a metal contact's axis. This limit ware is sought to two eccentric point types's dress card error, manufacture error can automatic balance out, eliminate measuring error simultaneously, have improved measurement accuracy, and all with after waiting to process the work piece contact in time do not shut down at metal contact, it still will continue to rotate round axle spare, prevent that metal contact from leading to the fact the damage because of the extrusion of work piece.
Description
Technical field
This utility model belongs to field of machining, particularly eccentric two point form seeking border.
Background technology
Seeking border is in digital control processing, in order to accurately determine the detection instrument of the center of workpiece to be processed.Seek side
Device predominantly organic tool formula bias seeking border, photoelectric edge-searching device and 3D seeking borders, but, mechanical type bias seeking border and photoelectric edge-searching
Device is in measurement process, it is impossible to ensure the same location contacts workpiece to be processed every time with seeking border, it is impossible to eliminate the mistake that is installed
Difference and foozle, accuracy of detection are low.3D seeking borders eliminate drawbacks described above, but using front needing debugging, and production cost
It is high.
The Chinese patent application of Application No. CN201510345244.8, discloses two point form 3D seeking borders, including shaft member
With the fixture being fixed on below shaft member, the bottom of fixture be provided with lower end stretch out a metal contact outside fixture and
No. two metal contacts；The axis of the axis of a number metal contact, the axis of No. two metal contacts and shaft member is located at same vertically flat
In face.After a metal contact and No. two metal contacts touch workpiece, by lathe record data, in different works simultaneously
Part detection faces calculate analysis after detecting several groups of data, so as to complete the detection of workpiece size.Two point form 3D seeking borders can be protected
Card with the same location contacts workpiece to be processed of seeking border, effectively eliminates the shadow that be installed error and foozle are brought every time
Ring, and using front without the need for debugging, low production cost.But, two point form 3D seeking borders, the axis of shaft member are located at a metal
Between the axis of the axis of contact and No. two metal contacts, when machine tool chief axis drive the metal contact of two point form seeking border and processing
After absorption surface, seeking border does not stop losing in time.
To overcome drawbacks described above, another kind of technical scheme in this application, is given, i.e., in a metal contact and No. two
The elastic component and No. two elastic components matched with which is respectively equipped with the top of metal contact.But, an elastic component and two
Number elastic component makes a metal contact and No. two metal contacts have allowing property, it is impossible to when ensureing that lathe is recorded, a metal contact
Just the normal condition not deformed is in absorption surface, an elastic component and No. two elastic components with No. two metal contacts,
Cannot also ensure that the horizontal distortion amount of an elastic component and No. two elastic components is consistent, be not easy to control measurement error, it is final to affect
The certainty of measurement of seeking border.
Utility model content
Technical problem to be solved in the utility model is to provide while improving certainty of measurement and makes metal contact and add
Can be around the eccentric two point form seeking border of main-shaft axis deflection after work absorption surface.
The technical solution adopted in the utility model is：Eccentric two point form seeking border, including shaft member, fixture, a metal
Contact and No. two metal contacts；The fixture includes lathe linkage section and contact construction section；Shaft member is installed on lathe linkage section
Top；A number metal contact and No. two metal contacts are fixedly installed in the bottom of contact construction section；A number metal contact
Axis and No. two metal contacts axis formed an auxiliary plane；The axis of the shaft member is located in the orthographic projection of auxiliary plane
On the outside of the axis of a number metal contact.
Further, the axis of the shaft member is located in auxiliary plane.
Further, the axis of the shaft member is located at outside auxiliary plane.
Further, the lathe linkage section of the fixture is in circular arc, and the radius of circular arc is less than contact construction section
Width.
Further, the lathe linkage section in fixture is provided with and is recessed to No. two metal contact directions along a metal contact
Breach, the breach is through to another side by a side of fixture, and vertically through the bottom of fixture
Portion.
Further, the axis of the shaft member passes through breach region.
Further, the distance between a metal contact and shaft member are 2-10mm.
The beneficial effects of the utility model are：The eccentric two point form seeking border, the principle for determining straight line by 2 points,
Ensure that the coordinate that each point on workpiece to be processed is determined using the same position of a metal contact and No. two metal contacts
Position, enables the error that is installed of the eccentric two point form seeking border, foozle automotive resistance to fall, meanwhile, metal contact and
No. two metal contacts are rigidly connected with fixture, compared with fixture connection, are eliminated a metal and are touched with by flexible member
There is the measurement error for avoiding and bringing when head and No. two metal contacts are contacted with workpiece to be processed, further increase measurement essence
Degree, measurement error is controlled in the range of less than 0.002mm；And the axis of shaft member is located at No. one in the orthographic projection of auxiliary plane
Design on the outside of the axis of metal contact, even if after a metal contact and No. two metal contacts are contacted with workpiece to be processed not
Shut down in time, workpiece to be processed continues to move to eccentric two point form seeking border, a metal contact and No. two metal contacts are yet
To be rotated further around shaft member, it is therefore prevented that as workpiece to be processed is made to the extruding of a metal contact and No. two metal contacts
Into damage.
Description of the drawings
Fig. 1 is this utility model structural representation；
Top views of the Fig. 2 for embodiment 1；
Top views of the Fig. 3 for embodiment 2；
Course of work schematic diagrams of the Fig. 4 for embodiment 1.
In figure, shaft member 1, fixture 2, lathe linkage section 21, the metal contact 3, two of a contact construction section 22, metal are touched
4, auxiliary plane 34, breach 5, workpiece to be processed 100.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described further as follows：
Eccentric two point form seeking border, as shown in figure 1, including shaft member 1,2, metal contact 3 of fixture and No. two metals
Contact 4；The fixture 2 includes lathe linkage section 21 and contact construction section 22；Shaft member 1 is installed on the top of lathe linkage section 21
Portion；A number metal contact 3 and No. two metal contacts 4 are fixedly installed in the bottom of contact construction section 22；A number metal contact 3
Axis and No. two metal contacts 4 axis formed an auxiliary plane 34；Just throwing of the axis of the shaft member 1 in auxiliary plane 34
Shadow is located on the outside of the axis of a metal contact 3.
Embodiment 1, as shown in Fig. 2 a metal contact 3 and No. two metal contacts 4 axis formed auxiliary plane 34, axle
On auxiliary plane 34 on the outside of the axis of a metal contact 3, i.e., as shown in Figure 2 the axis of part 1 is located at, 1, metal of shaft member
Contact 3 and No. two metal contacts 4 are arranged in order, and between leaving between the axis of the axis of shaft member 1 and a metal contact 3 laterally
Away from L1.In workpiece sensing, as shown in figure 4, by eccentric two point form seeking border slant setting, arriving No. two metal contacts 4 to be added
Work workpiece 100 it is to be measured while distance it is to be measured to workpiece to be processed 100 less than metal contact 3 while distance.With eccentric two
Point type seeking border is moved closer to workpiece to be processed 100, and No. two metal contacts 4 contact the side to be measured of workpiece to be processed 100 first.
Eccentric two point form seeking border continues to 100 direction of workpiece to be processed to move ahead, as now No. two metal contacts 4 are by workpiece to be processed
100 is spacing, and this eccentric two point form seeking border can be rotated around shaft member 1, until a contact workpiece to be processed 100 of metal contact 3
During side to be measured, built-in power conducting, display lamp is bright or siren sends the instruction such as sound, Digit Control Machine Tool record workpiece to be processed
The coordinate on 100 side to be measured.The principle for determining straight line by 2 points, ensure that using a metal contact 3 and two
The same position of number metal contact 4 determines the coordinate position of each point on workpiece to be processed, so, it is determined that in workpiece to be processed
During the center of circle in the heart or processing hole, the error that is installed of the eccentric two point form seeking border, foozle energy automotive resistance fall, meanwhile,
A number metal contact 3 and No. two metal contacts 4 are rigidly connected with fixture 2, are connected phase with fixture 2 with by flexible member
Than eliminating the measurement mistake that a metal contact 3 and No. two metal contacts 4 are occurred avoidance and brought when being contacted with workpiece to be processed
Difference, further increases certainty of measurement, the measurement error of this product is controlled in the range of less than 0.002mm.And
Now, even if not shutting down in time, workpiece to be processed 100 continues to move to eccentric two point form seeking border, and this eccentric two point form seeks side
Device will be yet rotated further around shaft member 1, it is therefore prevented that as 100 pairs of metal contacts 3 of workpiece to be processed and No. two metals are touched
4 extruding, and the damage for causing.
Certainly, lathe linkage section 21 can be rectangle etc., but, in order to increase bigger metal contact 3 and No. two metals
Contact 4 contacts the deflection surplus of eccentric two point form seeking border after workpiece to be processed 100 simultaneously, it is preferred that the machine of the fixture 2
Bed linkage section 21 is in circular arc, and the diameter of circular arc is less than or equal to the width of contact construction section 22, so as to increase bias
The distance during deflection of two point form seeking border between 100 corresponding edge of 21 respective face of lathe linkage section and workpiece to be processed, is more beneficial for
Eccentric two point form seeking border deflection.
In order to further increase the deflection surplus of eccentric two point form seeking border, it is preferred that, in the lathe of fixture 2
Linkage section 21 is provided with the breach 5 along 3 to No. two metal contacts of a metal contact, 4 direction depression, and the breach 5 is by fixture 2
A side be through to another side, and vertically through the bottom of fixture 2.
Rotate around the axis of shaft member 1 to be more beneficial for eccentric two point form seeking border, further, the axle of the shaft member 1
Line passes through 5 region of breach.
Further, the horizontal spacing L1=2-10mm between a metal contact 3 and shaft member 1.
During use, shaft member 1 is installed to into the main shaft of Digit Control Machine Tool, makes the axis of shaft member 1 and the axis of main shaft of numerical control machine tool
Overlap, workpiece to be added is fixed on the table top of Digit Control Machine Tool, and eccentric two point form seeking border slant setting makes No. two metal contacts
4 homonymy is first contacted.
When needing to find the geometric center of 100 top surface of cuboid workpiece to be processed, the workpiece has all around four
Side, mobile this seeking border make the homonymy of No. two metal contacts 4 first go to contact four sides all around, due to work to be processed
The restriction of part, seeking border are rotated around machine tool chief axis, are turned to a metal contact 3 and are just contacted with workpiece to be processed, due to treating
Processing workpiece is metalwork, the conducting of seeking border internal wiring, display lamp or siren prompting, Digit Control Machine Tool record tested surface
The coordinate of coordinate, such as left surface is designated as X1, and the coordinate of right flank is designated as X2, and the coordinate of leading flank is designated as Y1, the coordinate of trailing flank
Y2 is designated as, the geometric center (X, Y) of 100 top surface of workpiece to be processed is calculated by X=(X1+X2)/2 and Y=(Y1+Y2)/2.
Certainly, the seeking border can also find the groove of the geometric center and workpiece to be processed of cylindrical workpiece to be processed top surface
Wide size etc., however, it is desirable to ensure to use the measurement of each part to be measured the homonymy of seeking border.
Embodiment 2, on the basis of embodiment 1, in order to increase the deflection surplus of eccentric two point form seeking border, such as Fig. 3 institutes
Show, the axis of a metal contact 3 and No. two metal contacts 4 forms auxiliary plane 34, and the axis of shaft member 1 is on auxiliary plane 34
Orthographic projection be located at a metal contact 3 axis on the outside of, i.e. as shown in figure 3, orthographic projection of the shaft member 1 on auxiliary plane 34,
A number metal contact 3 and No. two metal contacts 4 are arranged in order, and stay between the axis of the axis of shaft member 1 and a metal contact 3
There is horizontal spacing L1, while longitudinal pitch L2 is also left between the axis of shaft member 1 and auxiliary plane 34.Preferred horizontal spacing L1
=2-10mm, longitudinal pitch L2=2-6mm.
Claims (7)
1. eccentric two point form seeking border, including shaft member (1), fixture (2), a metal contact (3) and No. two metal contacts
(4)；It is characterized in that：The fixture (2) includes lathe linkage section (21) and contact construction section (22)；Shaft member (1) is installed on
The top of lathe linkage section (21)；A number metal contact (3) and No. two metal contacts (4) are installed on the bottom of contact construction section (22)
Portion；The axis of a number metal contact (3) and the axis of No. two metal contacts (4) form an auxiliary plane (34)；The axle
The axis of part (1) is located on the outside of the axis of a metal contact (3) in the orthographic projection of auxiliary plane (34).
2. bias two point form seeking border as claimed in claim 1, it is characterised in that：The axis of the shaft member (1) is located at auxiliary
In plane (34).
3. bias two point form seeking border as claimed in claim 1, it is characterised in that：The axis of the shaft member (1) is located at auxiliary
Plane (34) is outward.
4. the eccentric two point form seeking border as described in claim 1-3 any one claim, it is characterised in that：The fixation
The lathe linkage section (21) of part (2) is in circular arc, and the radius of circular arc is less than the width of contact construction section (22).
5. the eccentric two point form seeking border as described in claim 1-3 any one claim, it is characterised in that：In fixture
(2) lathe linkage section (21) is provided with the breach (5) being recessed to No. two metal contact (4) directions along a metal contact (3), institute
State breach (5) and another side is through to by a side of fixture (2), and vertically through the bottom of fixture (2)
Portion.
6. bias two point form seeking border as claimed in claim 5, it is characterised in that：The axis of the shaft member (1) passes through breach
(5) region.
7. the eccentric two point form seeking border as described in claim 1-3 any one claim, it is characterised in that：Described No. one
The distance between metal contact (3) and shaft member (1) are 2-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231730.3U CN206169771U (en) | 2016-11-16 | 2016-11-16 | Limit ware is sought to two eccentric point types |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231730.3U CN206169771U (en) | 2016-11-16 | 2016-11-16 | Limit ware is sought to two eccentric point types |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206169771U true CN206169771U (en) | 2017-05-17 |
Family
ID=58685226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231730.3U Withdrawn - After Issue CN206169771U (en) | 2016-11-16 | 2016-11-16 | Limit ware is sought to two eccentric point types |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206169771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363464A (en) * | 2016-11-16 | 2017-02-01 | 成都市成华区战鹰模具加工部 | Eccentric two-point type edge finder |
-
2016
- 2016-11-16 CN CN201621231730.3U patent/CN206169771U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363464A (en) * | 2016-11-16 | 2017-02-01 | 成都市成华区战鹰模具加工部 | Eccentric two-point type edge finder |
| CN106363464B (en) * | 2016-11-16 | 2018-06-29 | 成都市成华区战鹰模具加工部 | Eccentric two point form seeking border |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20180629 |
|
| AV01 | Patent right actively abandoned |