CN104924155A - Two-point type 3D edge finder - Google Patents
Two-point type 3D edge finder Download PDFInfo
- Publication number
- CN104924155A CN104924155A CN201510345244.8A CN201510345244A CN104924155A CN 104924155 A CN104924155 A CN 104924155A CN 201510345244 A CN201510345244 A CN 201510345244A CN 104924155 A CN104924155 A CN 104924155A
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- Prior art keywords
- metal contact
- shaft member
- fixture
- pole
- elastic component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
Abstract
The invention relates to a two-point type 3D edge finder. The two-point type 3D edge finder comprises a shaft piece and a fixing piece which are fixedly connected. An internal power source is arranged in the shaft piece. The fixing piece is provided with a hole transversely penetrating. An indicator lamp is arranged in the hole. A first metal contact and a second metal contact are arranged at the bottom of the fixing piece, wherein the lower end of the first metal contact and the lower end of the second metal contact stretch out of the fixing piece. One pole of the internal power source is electrically connected with the second metal contact, the other pole of the internal power source is electrically connected with one pole of the indicator lamp, and the other pole of the indicator lamp is electrically connected with the first metal contact. Compared with the prior art, the two-point type 3D edge finder is simple in structure, low in production cost, suitable for popularization and convenient to use. The two-point type 3D edge finder only needs to be clamped on main shaft of a machine tool, meter hitting debugging is not needed, it can be ensured that the same part of the two-point type 3D edge finder makes contact with a machined product, and therefore the error is reduced, the precision can be guaranteed by detecting the machining size of a workpiece, accordingly, the quality of the machined product is guaranteed, and the working efficiency is improved.
Description
Technical field
The present invention relates to field of machining, particularly relate to a kind of seeking border.
Background technology
Seeking border is in digital control processing, in order to accurately determine a kind of testing tool of the center of workpiece to be machined.The operation principle of seeking border is first selected while be zero in X-axis, then selects another side to draw numerical value, and getting its half is X-axis mid point, then finds out Y-axis initial point by same method, and such workpiece just obtains at the machining center of XY plane to be determined.
Existing seeking border mainly contains mechanical eccentric seeking border, photoelectric edge-searching device, 3D seeking border, but there is following defect in them: 1. mechanical eccentric seeking border is owing to must rotate in use procedure, when surving coordinate, entirely judge whether that contact puts in place with naked eyes, very easily occur error, and seeking border can not ensure it is all go to contact workpiece to be machined with same position at every turn in measuring process, therefore cannot eliminate clamping error and foozle, so precision is not high, error is generally 0.005-0.01mm; 2. photoelectric edge-searching device is due to non rotating in use procedure, in measuring process, seeking border can not ensure it is all go to contact workpiece to be machined with same position at every turn, therefore cannot eliminate clamping error and foozle, so precision is not high, error is generally about 0.005mm; Although 3. 3D seeking border directly can eliminate measure error by installation and debugging, have to pass through before using and play table debugging, so efficiency is lower. and 3D seeking border price, production cost is high.
Summary of the invention
Technical problem to be solved by this invention is to provide the two point form 3D seeking border that a kind of production cost is low, error is little, easy to use.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of two point form 3D seeking border, it comprises shaft member and is positioned at the fixture below shaft member, described shaft member is fixedly connected with described fixture, described shaft member inside is provided with built-in power, described fixture is provided with the hole laterally run through, indicator lamp is provided with in described hole, the bottom of described fixture is provided with lower end and stretches out a metal contact outside described fixture and No. two metal contact, and the axis of a described metal contact, the axis of described No. two metal contact and the axis of described shaft member are all positioned at same vertical plane; One pole of described built-in power is electrically connected with described No. two metal contact, and another pole of described built-in power is electrically connected with a pole of described indicator lamp, and another pole of described indicator lamp is electrically connected with a described metal contact.
Compared with prior art, the invention has the beneficial effects as follows:
Product of the present invention not only structure is simple, production cost is low, be applicable to promoting, and it is easy to use, this product clip is only needed to be held on the main shaft of lathe, utilize 2 principles determining straight line, in use rotate without the moment, table debugging need not be played, just can ensure it is all go to contact workpiece to be machined with the same position of this product at every turn, namely the same position of metal contact is used to determine the coordinate position of each point on workpiece to be processed all the time, like this in the process determining the center of circle, the clamping error of this product, foozle, measure error can be cancelled out each other, the removing own error of lathe (lathe feed screw and electronic original part etc.) outward, error when this product uses is lower than 0.003mm, utilize principle of uniformity this product in process by detecting the processing dimension (length and width, dark) of workpiece, precision can also to be ensured, thus ensure the quality of product to be processed, increasing work efficiency.
On the basis of technique scheme, the present invention can also do following improvement.
As a kind of preferred embodiment of the present invention, the top of a described metal contact, described No. two metal contact is respectively equipped with the elastic component and No. two elastic components that match with it, and a described metal contact, described No. two metal contact are connected with described fixture respectively by a described elastic component, described No. two elastic components.
The beneficial effect of above-mentioned preferred version is adopted to be: to utilize horizontal direction and vertical direction all can produce elastically-deformable elastic component, cushioning effect can be played to metal contact, determining the workpiece center of circle and detecting in workpiece length and width process, can avoid losing because horizontal motion overexerts when metal contact and absorption surface, when detecting the degree of depth of inside workpiece groove, can avoid overexerting because vertical direction moves and losing when metal contact and absorption surface, play the effect of protection metal contact, extend the service life of metal contact, also avoid workpiece to be processed to damage simultaneously.
As another kind of preferred embodiment of the present invention, the bottom of described fixture is provided with the elastic component installing hole, No. two elastic component installing holes that match with a described elastic component, described No. two elastic components respectively, and a described elastic component, described No. two elastic components lay respectively in a described elastic component installing hole, described No. two elastic component installing holes.
The beneficial effect of above-mentioned preferred version is adopted to be: it is more firm that elasticity installing hole not only can make elastic component install on this product, and elastic component can be avoided to produce too much elastic deformation in the horizontal direction, plays the effect of protection elastic component.
As another kind of preferred embodiment of the present invention, the lower end of a described metal contact, described No. two metal contact is all in spherical.
The beneficial effect of above-mentioned preferred version is adopted to be: spherical metal contact is when contacting with workpiece to be processed, can not only contact in guarantee point face, make measurement more accurate, and friction can be reduced, thus reduce the wearing and tearing of metal contact, avoid workpiece to be processed to wear and tear simultaneously.
As another kind of preferred embodiment of the present invention, the cross section ovalize of described fixture or rectangle.
Adopting the beneficial effect of above-mentioned preferred version to be: the cross section ovalize of fixture or rectangle, more easily ensureing it is all go to contact workpiece to be processed with the same position of this product when detecting at every turn.
As another kind of preferred embodiment of the present invention, be provided with the screw thread mutually mated between described shaft member with described fixture, described shaft member is threaded with described fixture.
Adopt the beneficial effect of above-mentioned preferred version to be: shaft member is fixedly connected with fixture by screw thread, not only connect closely, and dismounting separation can be carried out, use convenient.
As another kind of preferred embodiment of the present invention, described shaft member and described fixture are that stainless steel is one-body molded, and a pole of described built-in power is electrically connected with described No. two metal contact by described shaft member, described fixture.
The beneficial effect of above-mentioned preferred version is adopted to be: to adopt stainless steel one-body molded, not only make production simpler, and built-in power is electrically connected with shaft member, fixture only needs directly to contact when being electrically connected with No. two metal contact and can conduct electricity, and connects without the need to using electric wire in addition.
As another kind of preferred embodiment of the present invention, the top of described shaft member is provided with metal closures, outer wall and the inner side on described shaft member top of described metal closures are provided with the screw thread mutually mated, described metal closures is threaded in the top of described shaft member, and a pole of described built-in power is electrically connected with described shaft member by described metal closures.
The beneficial effect of above-mentioned preferred version is adopted to be: to arrange and can carry out dismantling the metal closures be separated, can change built-in power, product is used convenient.
As another kind of preferred embodiment of the present invention, two hole places of described hole are equipped with transparent form.
Adopt the beneficial effect of above-mentioned preferred version to be: arrange transparent form can when do not affect viewing lamp bright dark, the devices such as the indicator lamp in protection hole.
As another kind of preferred embodiment of the present invention, in described hole, be also provided with alarm, described alarm and described indicator lamp serial or parallel connection.
Adopt the beneficial effect of above-mentioned preferred version to be: alarm can coordinate indicator lamp to use, and not only lamp is bright when metal contact contacts with workpiece to be processed, and alarm can ring, and operating personnel are more easily noticed, thus next step operation can be carried out in time.
Accompanying drawing explanation
Fig. 1 is the structural representation of product of the present invention;
In accompanying drawing, the list of parts representated by each label is as follows:
1, shaft member, 2, fixture, 3, metal contact, 4, built-in power, 5, hole, 6, indicator lamp, 7, elastic component, 8, metal closures, 9, No. two metal contact, 10, No. two elastic components.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of two point form 3D seeking border, the fixture 2 that it comprises shaft member 1 and is positioned at below shaft member 1, the cross section ovalize of described fixture 2 or rectangle, the screw thread mutually mated is provided with between described shaft member 1 with described fixture 2, described shaft member 1 is threaded with described fixture 2, described shaft member 1 inside is provided with built-in power 4, such as battery, dry cell, button cell etc., described fixture 2 is provided with the hole 5 laterally run through, be provided with indicator lamp 6 in described hole 5, two hole places of described hole 5 are equipped with transparent form;
The bottom of described fixture 2 is provided with lower end and stretches out a metal contact 3 outside described fixture 2 and No. two metal contact 9, the axis of a described metal contact 3, the axis of described No. two metal contact 9 and the axis of described shaft member 1 are all positioned at same vertical plane, a described metal contact 3, the lower end of described No. two metal contact 9 is all in spherical, a described metal contact 3, the top of described No. two metal contact 9 is respectively equipped with the elastic component 7 and No. two elastic components 10 that match with it, a described elastic component 7 and No. two elastic components 10 are horizontal direction and vertical direction can produce elastically-deformable spring, the bottom of described fixture 2 be provided with respectively with a described elastic component 7, the elastic component installing hole that described No. two elastic components 10 match, No. two elastic component installing holes, a described elastic component 7, described No. two elastic components 10 lay respectively at a described elastic component installing hole, in described No. two elastic component installing holes, a described metal contact 3, described No. two metal contact 9 are respectively by a described elastic component 7, described No. two elastic components 10 are connected with described fixture 2,
The electric wire that one pole of described built-in power 4 is established in passing through is electrically connected with described No. two metal contact 9, the electric wire that another pole of described built-in power 4 is established in passing through is electrically connected with a pole of described indicator lamp 6, and another pole of described indicator lamp 6 is electrically connected with a described metal contact 3 by electric wire.
Two point form 3D seeking border in the present invention needs clamping on the main shaft of Digit Control Machine Tool in use, ensure the axis of seeking border shaft member 1 and the dead in line of machine tool chief axis, now workpiece to be processed (being generally metal product) is fixed on Digit Control Machine Tool table top, just can reach the object of this seeking border mobile like this by controlling machine tool movement main shaft.When metal contact touches workpiece to be processed, the machine tool chief axis coordinate measured, be exactly this deviate of horizontal range that on workpiece to be processed, the coordinate of contact point added or deducted machine tool chief axis and this point in fact, and when calculating the geometric center of workpiece or the width of workpiece inner groovy and the degree of depth, certain counteracting can be accomplished according to this deviate of computing formula, but general seeking border can not ensure it is all go to contact workpiece to be machined with its same position in measuring process at every turn, can not ensure that deviate when at every turn measuring is all the same, therefore can not accurately offset when calculating the geometric center of workpiece or the width of workpiece inner groovy and the degree of depth, still error can be there is, and workpiece to be processed (being generally metal product) has electric conductivity, only has a metal contact 3 on the fixture 2 of this seeking border, when No. two metal contact 9 contact with this workpiece simultaneously, circuit is just connected, indicator lamp just can be bright, because 2 are determined straight line, can ensure that this seeking border is all go to contact workpiece to be machined with its same position in measuring process at every turn, add the axis of a described metal contact 3, the axis of described No. two metal contact 9 and the axis of described shaft member 1 are all positioned at same vertical plane, just can ensure that deviate when at every turn measuring is all the same and can determine, just can accomplish to offset accurately when calculating the geometric center of workpiece or the width of workpiece inner groovy and the degree of depth like this, eliminate this part error completely.
Utilize this principle, when needing the geometric center (X finding rectangular shape workpiece to be processed end face, Y) time, this workpiece has four sides all around, this seeking border mobile, make the same side of fixture 2 respectively slowly near the side, two, left and right of this workpiece, a metal contact 3, No. two metal contact 9 on fixture 2 are allowed just to contact with this workpiece, by Digit Control Machine Tool write down respectively indicator lamp 6 twice just luminous time machine tool chief axis abscissa X1, X2, be the abscissa of two sides about this workpiece; This seeking border mobile again, make the same side of fixture 2 respectively slowly near former and later two sides of this workpiece, a metal contact 3, No. two metal contact 9 on fixture 2 are allowed just to contact with this workpiece, by Digit Control Machine Tool write down respectively indicator lamp 6 twice just luminous time machine tool chief axis ordinate Y1, Y2, be the ordinate of these former and later two sides of workpiece; Digit Control Machine Tool can calculate this workpiece centre coordinate (X, Y) according to formula X=(X1+X2)/2, Y=(Y1+Y2)/2, and then find the geometric center of this workpiece.
When needing the geometric center (X finding cylindrical workpiece to be processed end face, Y) time, this seeking border mobile, make the same side of fixture 2 successively near three positions of this side surface of workpiece, a metal contact 3, No. two metal contact 9 on fixture 2 are allowed just to contact with the side of this workpiece, by Digit Control Machine Tool write down respectively indicator lamp three times just luminous time machine tool chief axis coordinate (X1, Y1), (X2, Y2), (X3, Y3), because these 3 plan ranges to workpiece centre are equal, therefore Digit Control Machine Tool can according to formula (X1-X)
2+ (Y1-Y)
2=(X2-X)
2+ (Y2-Y)
2=(X3-X)
2+ (Y3-Y)
2calculate the coordinate (X, Y) of workpiece centre, and then find the geometric center of this workpiece.
When needing to detect the groove width size in workpiece, this seeking border mobile, stretch in the groove of this workpiece, make the same side of fixture 2 successively slowly near two opposites of this groove, a metal contact 3, No. two metal contact 9 on fixture 2 are allowed just to contact with this workpiece, the diameter of known metal contact head is D, by Digit Control Machine Tool write down respectively indicator lamp 6 twice just luminous time machine tool chief axis abscissa X1, X2, Digit Control Machine Tool can draw the groove width X of this workpiece according to formula X=(X1-X2+D).
When needing to detect the groove depth size in workpiece, this seeking border mobile, make the lower end of seeking border respectively slowly near end face and the groove floor of workpiece, the bottom of a metal contact 3, No. two metal contact 9 is allowed just to contact with this workpiece, write down respectively indicator lamp just luminous time machine tool chief axis coordinate Z1, Z2, Digit Control Machine Tool can draw the groove depth Z of workpiece according to formula Z=(Z1-Z2).
Embodiment 2
As shown in Figure 1, a kind of two point form 3D seeking border, its structure, using method is similar to Example 1, difference is, described shaft member 1 is that stainless steel is one-body molded with described fixture 2, the top of described shaft member 1 is provided with metal closures 8, outer wall and the inner side on described shaft member 1 top of described metal closures 8 are provided with the screw thread mutually mated, described metal closures 8 is threaded in the top of described shaft member 1, one pole of described built-in power 4 is electrically connected with described shaft member 1 by described metal closures 8, described shaft member 1 is electrically connected with described No. two metal contact 9 by described fixture 2, and through insulation processing between a described metal contact 3 and described fixture 2, and it is non-conductive, described metal closures 8 can disassemble, so that change built-in power 4, also alarm is provided with in described hole 5, described alarm and described indicator lamp 6 serial or parallel connection,
Product of the present invention in use alarm can coordinate indicator lamp to use, and when metal contact contacts with workpiece to be processed, not only lamp is bright, and alarm can ring, and operating personnel are more easily noticed, thus can carry out next step operation in time.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a two point form 3D seeking border, it is characterized in that, it comprises shaft member (1) and is positioned at the fixture (2) of shaft member (1) below, described shaft member (1) is fixedly connected with described fixture (2), described shaft member (1) inside is provided with built-in power (4), described fixture (2) is provided with the hole (5) laterally run through, indicator lamp (6) is provided with in described hole (5), the bottom of described fixture (2) is provided with lower end and stretches out the outer metal contact (3) of described fixture (2) and No. two metal contact (9), the axis of a described metal contact (3), the axis of described No. two metal contact (9) and the axis of described shaft member (1) are all positioned at same vertical plane,
One pole of described built-in power (4) is electrically connected with described No. two metal contact (9), another pole of described built-in power (4) is electrically connected with a pole of described indicator lamp (6), and another pole of described indicator lamp (6) is electrically connected with a described metal contact (3).
2. two point form 3D seeking border according to claim 1, it is characterized in that, the top of a described metal contact (3), described No. two metal contact (9) is respectively equipped with the elastic component (7) and No. two elastic components (10) that match with it, and a described metal contact (3), described No. two metal contact (9) are connected with described fixture (2) respectively by a described elastic component (7), described No. two elastic components (10).
3. two point form 3D seeking border according to claim 2, it is characterized in that, the bottom of described fixture (2) is provided with the elastic component installing hole, No. two elastic component installing holes that match with a described elastic component (7), described No. two elastic components (10) respectively, and a described elastic component (7), described No. two elastic components (10) lay respectively in a described elastic component installing hole, described No. two elastic component installing holes.
4. two point form 3D seeking border according to claim 1, is characterized in that, the lower end of a described metal contact (3), described No. two metal contact (9) is all in spherical.
5. two point form 3D seeking border according to claim 1, is characterized in that, the cross section ovalize of described fixture (2) or rectangle.
6. two point form 3D seeking border according to claim 1, it is characterized in that, be provided with the screw thread mutually mated between described shaft member (1) with described fixture (2), described shaft member (1) and described fixture (2) are threaded.
7. two point form 3D seeking border according to claim 1, it is characterized in that, described shaft member (1) is with described fixture (2) for stainless steel is one-body molded, and a pole of described built-in power (4) is electrically connected with described No. two metal contact (9) by described shaft member (1), described fixture (2).
8. two point form 3D seeking border according to claim 7, it is characterized in that, the top of described shaft member (1) is provided with metal closures (8), outer wall and the inner side on described shaft member (1) top of described metal closures (8) are provided with the screw thread mutually mated, described metal closures (8) is threaded in the top of described shaft member (1), and a pole of described built-in power (4) is electrically connected with described shaft member (1) by described metal closures (8).
9. the two point form 3D seeking border according to any one of claim 1-8, is characterized in that, two hole places of described hole (5) are equipped with transparent form.
10. two point form 3D seeking border according to claim 9, is characterized in that, described hole is also provided with alarm in (5), described alarm and described indicator lamp (6) serial or parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345244.8A CN104924155B (en) | 2015-06-19 | 2015-06-19 | Two point form 3D seeking borders |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345244.8A CN104924155B (en) | 2015-06-19 | 2015-06-19 | Two point form 3D seeking borders |
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| CN104924155A true CN104924155A (en) | 2015-09-23 |
| CN104924155B CN104924155B (en) | 2017-08-11 |
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Cited By (3)
| 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 |
| CN107457437A (en) * | 2017-08-24 | 2017-12-12 | 中航卓越锻造（无锡）有限公司 | The method that large-sized numerical control drilling machine processing annular forging piece looks for the center of circle |
| CN107854049A (en) * | 2017-11-15 | 2018-03-30 | 珠海格力电器股份有限公司 | The electric connection structure and hand held cleaner of connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN107457437A (en) * | 2017-08-24 | 2017-12-12 | 中航卓越锻造（无锡）有限公司 | The method that large-sized numerical control drilling machine processing annular forging piece looks for the center of circle |
| CN107854049A (en) * | 2017-11-15 | 2018-03-30 | 珠海格力电器股份有限公司 | The electric connection structure and hand held cleaner of connector |
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| Publication number | Publication date |
|---|---|
| CN104924155B (en) | 2017-08-11 |
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Effective date of registration: 20220617 Address after: No. 12-2, No. 225, Wuqing West Third Road, Wuhou District, Chengdu, Sichuan 610041 Patentee after: Chengdu Zhanying Xinhang Technology Co.,Ltd. Address before: 610051 room 1, floor 1, unit 3, building 7, No. 25, East Section 1, 2nd Ring Road, Chengdu, Sichuan Patentee before: Tian Xiaoping |