CN111141324B - Workpiece in-place detection system using electric signals - Google Patents
Workpiece in-place detection system using electric signals Download PDFInfo
- Publication number
- CN111141324B CN111141324B CN201911357507.1A CN201911357507A CN111141324B CN 111141324 B CN111141324 B CN 111141324B CN 201911357507 A CN201911357507 A CN 201911357507A CN 111141324 B CN111141324 B CN 111141324B
- Authority
- CN
- China
- Prior art keywords
- positioning element
- hole
- workpiece
- screw
- shaped block
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
Abstract
The invention discloses a workpiece in-place detection system using an electric signal, which comprises a V-shaped block, a positioning element and a wiring terminal, wherein the positioning element is arranged on two inclined planes on the inner side of the V-shaped block and is electrically connected with the wiring terminal; the positioning element is a conductor, and the positioning element is insulated from the V-shaped block; the connecting terminal is arranged on the side surface of the positioning element. The invention provides a workpiece in-place detection system using an electric signal, which utilizes the metal conductive property to check whether a workpiece is in contact with a positioning element, the positioning element is connected with 24V direct current, the workpiece is grounded through a workbench and a lathe bed, when the excircle of a positioning shaft at two ends of the workpiece is in complete contact with the positioning element, a relay is closed, a signal is output, the system judges that the workpiece is in place when the workpiece is in contact with the positioning element; otherwise, judging that the workpiece is not in place; the invention improves the clamping precision, shortens the clamping time and reduces the labor intensity.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a workpiece in-place detection system using an electric signal.
Background
In the machining operation, when long-shaft parts are machined, the accurate position of a shaft workpiece on a machine tool can be well ensured by generally positioning with a V-shaped block, the V-shaped positioning centering property is good, and the higher machining precision can be ensured. When the special machine clamp is used for machining shaft type workpieces, generally, when the workpieces are installed, the workpieces can enable the outer circles of the positioning shafts at the two ends to be in contact with the V-shaped blocks at the two ends under the action of gravity, but when the workpieces are also frequently influenced by other positioning systems or the diameter tolerance of the outer circles at the two ends, the outer circles of the positioning shafts at the two ends of the workpieces cannot be in good contact with the V-shaped blocks, and therefore machining accuracy is influenced.
After the workpiece is installed by adopting the method, the contact condition of the excircle of the positioning shaft and the V-shaped blocks at the two ends needs to be manually checked, the V-shaped blocks at the two ends have four contact points, and in addition, the gap is small sometimes, the checking is also inconvenient, the labor intensity of workers is increased, meanwhile, the time is also prolonged seriously, and the method is very unfavorable for high-efficiency and high-precision machining and manufacturing.
The traditional workpiece in-place detection modes such as air tightness detection, proximity switch detection and the like are not suitable for in-place detection of V-shaped positioning due to the influence of the diameter tolerance of the outer circle of the positioning shaft or the constraint of other positioning devices.
Therefore, how to provide a simple and accurate workpiece in-place detection system using electrical signals is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a workpiece in-place detection system using an electrical signal, which uses the metal conductive property to check whether a workpiece is in contact with a positioning element, the positioning element is connected with 24V direct current, the workpiece is grounded through a workbench and a lathe bed, when the excircle of a positioning shaft at two ends of the workpiece is in full contact with the positioning element, a relay is closed, a signal is output, and the system judges that the workpiece is in contact with the positioning element and the workpiece is in place; otherwise, judging that the workpiece is not in place; the invention improves the clamping precision, shortens the clamping time and reduces the labor intensity.
In order to achieve the purpose, the invention adopts the following technical scheme:
a workpiece in-place detection system using an electric signal comprises a V-shaped block, a positioning element and a wiring terminal, wherein the positioning element is arranged on two inclined planes on the inner side of the V-shaped block and is electrically connected with the wiring terminal; the positioning element is a conductor, and the positioning element is insulated from the V-shaped block; the connecting terminal is arranged on the side surface of the positioning element.
Preferably, in the workpiece in-position detecting system using an electrical signal, an insulating plate is disposed between the positioning element and the inner inclined surface of the V-shaped block.
Preferably, in the workpiece in-position detecting system using an electrical signal, the positioning element is fixedly connected to the inner inclined surface of the V-shaped block by a fastening screw.
Preferably, in the workpiece in-place detection system using an electrical signal, two outer side surfaces of the V-shaped block are both provided with a screw installation blind hole, the bottom of the screw installation blind hole is provided with a first through hole, a second through hole is arranged at a position of the insulating plate corresponding to the first through hole, and a threaded hole is arranged at a position of the positioning element corresponding to the second through hole; the fastening screw is positioned in the screw mounting blind hole, and the screw rod part of the fastening screw sequentially penetrates through the first through hole and the second through hole and is screwed into the threaded hole.
Preferably, in the workpiece in-place detection system using an electrical signal, two outer side surfaces of the V-shaped block are both provided with two screw mounting blind holes, and the two screw mounting blind holes are distributed up and down.
Preferably, in the workpiece in-place detection system using an electrical signal, an insulating sleeve made of bakelite is sleeved on the screw portion of the fastening screw, and the insulating sleeve is located in the first through hole and the second through hole to insulate the screw portion of the fastening screw from the V-shaped block.
Preferably, in the workpiece in-position detecting system using an electrical signal, a washer is provided on a head of the fastening screw, so that a bearing surface stress area between the head of the fastening screw and the insulating sleeve is increased.
Preferably, in the workpiece in-place detection system using an electrical signal, a plug is arranged at the hole of the blind screw mounting hole.
Preferably, in the workpiece in-position detecting system using an electrical signal, the insulating plate is made of teflon.
Preferably, in the workpiece in-position detecting system using an electric signal, the positioning element is a plate-shaped structure, and 45# or 40Cr structural steel is used.
According to the technical scheme, compared with the prior art, the workpiece in-place detection system using the electric signal is provided, whether a workpiece is in contact with a positioning element is checked by utilizing the metal conductive characteristic, the positioning element is connected with 24V direct current through a wiring terminal, the workpiece is grounded through a workbench and a lathe bed, when the excircle of the positioning shaft at the two ends of the workpiece is in complete contact with the positioning element, a relay is closed, a signal is output, the system judges that the workpiece is in contact with the positioning element, and the workpiece is in place; otherwise, judging that the workpiece is not in place; the invention improves the clamping precision, shortens the clamping time and reduces the labor intensity.
The invention has reliable, practical and durable practical application effect, and the whole system has low cost, only needs electric wires and relays, and additionally adds insulating parts on the clamp, and has much lower price than the traditional in-place detection device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a workpiece in-place detection system using an electric signal, which utilizes the conductive characteristic of metal to check whether a workpiece is in contact with a positioning element or not, improves the clamping and positioning precision, shortens the clamping time and reduces the labor intensity; the practical application effect is reliable, practical and durable, the whole system is low in cost, only electric wires and relays are needed, and insulating parts on the clamp are added, so that the price of the device is much lower than that of the traditional in-place detection device.
The invention discloses a workpiece in-place detection system using an electric signal, which comprises a V-shaped block 1, a positioning element 2 and a wiring terminal 3, wherein the positioning element 2 is arranged on two inclined planes on the inner side of the V-shaped block 1, and the positioning element 2 is electrically connected with the wiring terminal 3; the positioning element 2 is a conductor, and the positioning element 2 is insulated from the V-shaped block 1; the connection terminals 3 are arranged on the side of the positioning element 2.
In order to further optimize the technical scheme, an insulating plate 4 is arranged between the positioning element 2 and the inner inclined surface of the V-shaped block 1.
In order to further optimize the technical scheme, the positioning element 2 is fixedly connected with the inner inclined surface of the V-shaped block 1 through a fastening screw 5.
In order to further optimize the technical scheme, the two outer side surfaces of the V-shaped block 1 are respectively provided with a screw mounting blind hole 6, the bottom of the screw mounting blind hole 6 is provided with a first through hole, the insulating plate 4 is provided with a second through hole at a position corresponding to the first through hole, and the positioning element 2 is provided with a threaded hole at a position corresponding to the second through hole; the fastening screw 5 is positioned in the screw mounting blind hole 6, and the screw rod part of the fastening screw 5 sequentially passes through the first through hole and the second through hole and is screwed into the threaded hole.
In order to further optimize the technical scheme, two outer side surfaces of the V-shaped block 1 are respectively provided with two bolt mounting blind holes 6, and the two bolt mounting blind holes 6 are distributed up and down.
In order to further optimize the technical scheme, the screw part of the fastening screw 5 is provided with an insulating sleeve 7 made of bakelite, and the insulating sleeve 7 is positioned in the first through hole and the second through hole, so that the screw part of the fastening screw 5 is insulated from the V-shaped block 1.
In order to further optimize the above technical solution, the head of the fastening screw 5 is provided with a washer 8, so that the bearing surface stress area between the head of the fastening screw 5 and the insulating sleeve 7 is increased.
In order to further optimize the technical scheme, a plug 9 is arranged at the hole opening of the blind screw installation hole 6 to seal the hole opening of the blind screw installation hole 6 and prevent foreign matters from entering.
In order to further optimize the technical scheme, the insulating plate 4 is made of polytetrafluoroethylene.
In order to further optimize the above technical solution, the positioning element 2 is a plate-shaped structure, and 45# or 40Cr structural steel is adopted.
The working principle is as follows:
the positioning element 2 is connected with 24V direct current, the workpiece 10 is grounded through the workbench and the lathe bed, when the workpiece 10 is contacted with the positioning element 2, the positioning element 2 is grounded, the relay is closed, a signal is output to the system, the system judges that the workpiece 10 is contacted with the positioning element 2, and the workpiece 10 can be machined when reaching the position; otherwise, the workpiece 10 is not in place, and the system gives an alarm to avoid the faulty operation of waste products caused by inaccurate positioning.
By adopting the in-place detection system, whether the workpiece 10 is in place is judged through the in-place indicator lamp, a worker can clamp the workpiece 10 in place conveniently, the positioning precision of clamping is improved, the clamping time is shortened, the labor intensity is reduced, and the practical application effect is reliable, practical and durable.
The system has low cost, only needs wires and relays, and additionally adds insulating parts on the clamp, and has much lower price than the traditional in-place detection device.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A workpiece in-place detection system using an electric signal is characterized by comprising a V-shaped block, a positioning element and a wiring terminal, wherein the positioning element is arranged on two inclined planes on the inner side of the V-shaped block and is electrically connected with the wiring terminal; the positioning element is a conductor, and the positioning element is insulated from the V-shaped block; the wiring terminal is arranged on the side surface of the positioning element; an insulating plate is arranged between the positioning element and the inner side inclined plane of the V-shaped block; the positioning element is fixedly connected with the inner side inclined plane of the V-shaped block through a fastening screw; the two outer side surfaces of the V-shaped block are respectively provided with a screw mounting blind hole, the bottom of each screw mounting blind hole is provided with a first through hole, the insulating plate is provided with a second through hole at a position corresponding to the first through hole, and the positioning element is provided with a threaded hole at a position corresponding to the second through hole; fastening screw is located the mounting screw blind hole to fastening screw's screw rod portion passes first through-hole, second through-hole in proper order, and the screw in the threaded hole, all be provided with two mounting screw blind holes on two lateral surfaces of V type piece, two mounting screw blind holes distribute from top to bottom, fastening screw's screw rod portion cover is equipped with the insulating sleeve that the material is bakelite, and insulating sleeve is located first through-hole and second through-hole, makes fastening screw's screw rod portion with it is insulating between the V type piece, fastening screw's head is provided with the packing ring, make fastening screw's head with the bearing surface stress area increase between the insulating sleeve.
2. The workpiece in-place detection system using the electric signal as claimed in claim 1, wherein a plug is arranged at the hole of the blind screw mounting hole.
3. The system of claim 1, wherein the insulating plate is made of teflon.
4. A workpiece position detection system using electrical signals as claimed in claim 1 wherein the locating element is of plate like construction, using 45# or 40Cr construction steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357507.1A CN111141324B (en) | 2019-12-25 | 2019-12-25 | Workpiece in-place detection system using electric signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357507.1A CN111141324B (en) | 2019-12-25 | 2019-12-25 | Workpiece in-place detection system using electric signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111141324A CN111141324A (en) | 2020-05-12 |
| CN111141324B true CN111141324B (en) | 2022-04-12 |
Family
ID=70519974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911357507.1A Active CN111141324B (en) | 2019-12-25 | 2019-12-25 | Workpiece in-place detection system using electric signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111141324B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548310A (en) * | 2020-11-30 | 2021-03-26 | 沈阳机床股份有限公司 | Workpiece detection method for automatic feeding machine tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269737Y (en) * | 2008-09-23 | 2009-07-08 | 比亚迪股份有限公司 | Position detection apparatus for product line travelling crane |
| CN103645668A (en) * | 2013-11-25 | 2014-03-19 | 珠海格力电器股份有限公司 | Device, method and system for positioning monitoring |
| CN104132605B (en) * | 2014-07-23 | 2016-09-21 | 北京航天控制仪器研究所 | A kind of device for the detection of turntable frame axiality |
| CN205981078U (en) * | 2016-08-03 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | A locating pin tape insulation electrically conducts detection mechanism for work piece detection that targets in place |
| CN207736011U (en) * | 2018-01-23 | 2018-08-17 | 沈阳精新再制造有限公司 | A kind of lathe spindle accuracy test device |
| CN109590767B (en) * | 2018-11-27 | 2021-05-07 | 西北工业大学 | Clamp with force measuring function |
-
2019
- 2019-12-25 CN CN201911357507.1A patent/CN111141324B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111141324A (en) | 2020-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111141324B (en) | Workpiece in-place detection system using electric signals | |
| CN207583445U (en) | A kind of steam turbine with bearing shell temperature alarming device | |
| JP6052787B2 (en) | How to determine the quality of cut surfaces by punching | |
| CN104949772A (en) | Temperature sensor and power socket adopting temperature sensor | |
| CN112924158B (en) | Damper health monitoring system and method based on real-time monitoring of Internet of things | |
| KR890003650B1 (en) | Secondary conductor supervising device of resistance welder control system | |
| US3969713A (en) | Bolt stress detector | |
| CN203869678U (en) | Anti-mistake detecting device for bolt welding | |
| CN204788728U (en) | Temperature sensor and applied this temperature sensor's supply socket | |
| CN101915540A (en) | Length detecting device | |
| CN109406120A (en) | A kind of breaker mechanic property examination device | |
| CN202141761U (en) | Production tool electrostatic protection rapid detector | |
| CN211348586U (en) | Short circuit test fixture | |
| CN208331015U (en) | Automobile bearing with water inlet detection function | |
| CN210268598U (en) | Gas generator stud welding product detection device | |
| CN213564596U (en) | Press slider and mould connection abnormity detection alarm device | |
| CN220602715U (en) | High-efficiency industrial interconnection sensor device | |
| CN218630130U (en) | Test tool and aging test system | |
| CN210572500U (en) | Steel construction building ground resistance testing arrangement | |
| CN218896136U (en) | Test fixture | |
| CN209632405U (en) | A kind of fixture standard bottom beam | |
| CN108775859B (en) | Automobile engine piston cylinder coaxiality detection tool | |
| CN109556485B (en) | Adjustable fixed inspection lining device for position degree measuring tool and using method thereof | |
| CN211373489U (en) | Mechanical contact probe | |
| CN211855600U (en) | Bus self-powered wireless temperature measurement structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |