CN201876244U - Intelligent inner hole measurer for wire production dies - Google Patents

Intelligent inner hole measurer for wire production dies Download PDF

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Publication number
CN201876244U
CN201876244U CN2010206179169U CN201020617916U CN201876244U CN 201876244 U CN201876244 U CN 201876244U CN 2010206179169 U CN2010206179169 U CN 2010206179169U CN 201020617916 U CN201020617916 U CN 201020617916U CN 201876244 U CN201876244 U CN 201876244U
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CN
China
Prior art keywords
mould
endoporus
image acquisition
wire production
light supply
Prior art date
Application number
CN2010206179169U
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Chinese (zh)
Inventor
张郭
周伟
黄献春
廖闽
Original Assignee
四川辉煌测控设备有限公司
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Application filed by 四川辉煌测控设备有限公司 filed Critical 四川辉煌测控设备有限公司
Priority to CN2010206179169U priority Critical patent/CN201876244U/en
Application granted granted Critical
Publication of CN201876244U publication Critical patent/CN201876244U/en

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Abstract

The utility model discloses an intelligent inner hole measurer for wire production dies, which mainly comprises a rack, a light source device mounted on the rack, a measured die holder, a die inner hole image acquirer, a transmission mechanism and an image data processing control device, wherein the transmission mechanism drives one of the measured die holder and the image acquirer to move. The light source device, measured die holder and the image acquirer are disposed correspondingly, a signal output end of the image acquirer is connected with a signal input end of the image data processing control device, and a control signal input end of the light source device is connected with a signal output end of the image data processing control device. The intelligent inner hole measurer can be used for measuring diameter, area, ovality and shape of a die inner hole while the measurement results can be displayed via a screen, stored and printed, and has the advantages of high measurement precision, high reliability, fast response speed, flexibility and convenience in operation, and the like.

Description

Wire production mould endoporus intelligent measuring apparatus

Technical field

The utility model relates to wire production mould hole measuring technology, more specifically says, relates to a kind of surveying instrument that is used for accurately measuring wire rod production mould endoporus.

Technical background

Wire production mould endoporus is after mould uses the regular hour, because wearing and tearing make the diameter of mould endoporus, geometric configuration all change, cause the wire geometry shape quality of production to reduce, therefore, for the wire rod shape quality that guarantees to produce, the mould that the mould endoporus need more renew after wearing and tearing acquire a certain degree, be correctly more mold exchange then need the mould endoporus is accurately measured.Therefore accurately the Measurement die endoporus is extremely important for wire production enterprise.Wire production enterprises such as state inner cable manufacturing enterprise, Production of Enamel Wires enterprise are to the measurement of wire production mould endoporus at present, adopt feeler gauge Measurement die diameter of bore mostly, or by measuring the wire drawing diameter inverse production mould diameter of bore of producing,, by hole shape in the microscopic examination mould mould endoporus is measured in conjunction with survey crew.These mould hole measuring modes are all comparatively backward, or measuring accuracy is lower, and perhaps measurement result depends on experience, knowledge and the sense of responsibility of survey crew, and the subjective error that artificial reading causes is bigger, and measure not intuitively, can not react the situations such as area, wearing and tearing of mould endoporus inside.Some wire production enterprises, since Measurement die endoporus exactly, the mould that can not in time correctly more renew, guarantee that the mould endoporus has enough precision, the wire quality that causes most wire production enterprise to produce is not high, and competitive power is not high, even causes many waste of material.

External at present existing accurately Measurement die endoporus instrument and equipment comes into operation, but price is very expensive, usually more than five or six ten ten thousand even up to a millionly do not wait, for domestic most of wire production producer is unacceptable, and domestic find as yet at present specially come out at the mould hole measuring instrument of this wire production producer, also is the relatively poor manual measurement mode of precision even have mostly.

The utility model content

At the deficiency that the mould hole measuring technology of prior art exists, the purpose of this utility model aims to provide a kind of intelligent measuring apparatus of Measurement die diameter of bore, area, shape, ovality automatically.

The wire production mould endoporus intelligent measuring apparatus that the utility model provides, its structure mainly comprises instrument stand, be installed in the light supply apparatus on the instrument stand, tested mould emplacing platform, mould endoporus image acquisition device, drive gear train and view data processing control apparatus that one of mould emplacing platform and image acquisition device move, light supply apparatus, the mould emplacing platform, image acquisition device is corresponding to be provided with, the image acquisition device signal output part is connected with view data processing control apparatus signal input part, and the light supply apparatus signal input end is connected with view data processing control apparatus signal output part.The design of tested mould emplacing platform has for measuring light passes the through hole that enters the mould endoporus, and the through-hole diameter on the mould emplacing platform generally is greater than the mould diameter of bore and less than the die shape size.Be designed to drive one of mould emplacing platform and image acquisition device mobile by gear train, be for the mould endoporus that is placed on the mould emplacing platform and the distance between the image acquisition device can be adjusted, promptly focus and enlargement factor, so that better the mould endoporus is accurately measured by the position of adjusting the relative mould of camera lens.Certainly also can focus and enlargement factor by changing different camera lenses.

In such scheme, described gear train is driven by servomotor, and promptly the motion output shaft of servomotor connects with gear train motion input link, and the servomotor signal input end is connected with view data processing control apparatus signal output part.Gear train also can adopt manually.The preferential servomotor that adopts drives.

In such scheme, described mould endoporus image acquisition device can be selected the image acquisition device that mainly is made of magnifier, lens barrel and imageing sensor for use, and magnifier is installed in the lens barrel front end, and lens barrel rear end and imageing sensor connect.Wherein lens barrel is preferentially selected the adjustable lens barrel of tube length for use, so that focusing or enlargement factor are adjusted better.

In such scheme, described light supply apparatus is preferentially selected the light intensity tunable light source device that is made of light emitting diode and light modulation lens set for use, so that the measuring light that light supply apparatus sends is adjusted into even and parallel measuring light.

In such scheme, measuring instrument can be designed to vertical structure, also can be designed to horizontal type structure, the preferential vertical structure that adopts, be the light supply apparatus, mould emplacing platform of measuring instrument and image acquisition device along vertical corresponding the setting, gear train mobile member direction of motion and light supply apparatus, mould emplacing platform and image acquisition device that direction is set is parallel.Measuring instrument adopts the further scheme of vertical structure, and preferably the mould emplacing platform is directly installed on the light supply apparatus, and the image acquisition device that is positioned at mould emplacing platform top is driven by gear train and moves.The concrete mode that the mould emplacing platform is installed on the light supply apparatus can adopt the seam bolt to fix.

In such scheme, described gear train is a lead screw transmission mechanism, by screw mandrel, constitute the nut, guide rail of screw thread transmission with screw mandrel coupling, the slide block that constitutes sliding pair with guide rail constitutes, slide block connects with nut and image acquisition device respectively.Certainly gear train also can be designed to other versions, as chain-drive mechanism, tape handler, worm gearing etc.The preferential lead screw transmission mechanism that adopts.

In such scheme, the gear train design has mobile member movement position control device.For lead screw transmission mechanism, i.e. design has slide block shift position control device.Control device can be a limit switch, also can be displacement transducer.The preferential displacement transducer that adopts, the signal output part of displacement transducer is connected with view data processing control apparatus signal input part, by the running of view data processing control apparatus control gear train driving motor.

In such scheme, the motor of drive transmission device motion can be servomotor, stepper motor or oil motor.The preferential servomotor that adopts.

In such scheme, measuring instrument also is provided with and covers the shell that protects the measuring instrument main body.

In such scheme, the view data processing control apparatus can be the stand-alone computer that separates with the measuring instrument body, also can be the embedded image data processing control device, as single-chip microcomputer, DSP, FPGA etc.

In such scheme, image acquisition device signal output part interface adopts USB interface, and Motor Control signal input part interface adopts serial ports.Certainly image acquisition device signal output part interface and Motor Control signal input part interface also can adopt the parallel port to read mode, or other the mode that reads.

The wire production mould endoporus intelligent measuring apparatus that the utility model provides, adopt optics amplification imaging principle and image processing techniques to design, be the highly sophisticated device of a kind of contactless automatic Measurement die diameter of bore, area, shape, ovality, it is as follows mainly to have characteristics:

1) light source sees through the mould endoporus, regulates to amplify projecting the digital image acquisition sensor afterwards by the lens set in the lens barrel, by the view data processing control apparatus mould endoporus image is carried out computing again, realizes mould endoporus automatic intelligent is measured.

2) the view data processing control apparatus is handled the image information that collects, and according to the image information of handling the motion by the control motor realizes control to the gear train motion, and then focal length and enlargement factor are adjusted in realization, find best image measurement position, and collect true, the most effective image information.

3) image information that gets access to of view data processing control apparatus, carry out filtering, match, calculation process by the software of its outfit after, can obtain diameter value, ovality, area and profile and the abrasion condition of mould endoporus.

4) diameter of mould endoporus, area, ovality, shape can show, the measurement result of storage, print die endoporus.

5) can enlarge the measurement range of mould diameter of bore by enlargement factor that changes magnifier or the length of adjusting lens barrel (eye-distance).

The utility model is compared with the mould hole measuring technology of prior art, has following very outstanding technique effect and advantage:

1) improved efficiency of measurement.Adopt the mould hole measuring method of prior art, by wire drawing diameter inverse production mould diameter of bore that measure to produce and very long by the microscope hand inspection wear measurement time spent, and adopt measuring instrument of the present utility model that mould is measured, after mould was in place, the available time less than 15 seconds can be finished the measurement of mould diameter of bore, area, ovality, shape.Efficiency of measurement has improved several times, has shortened the Measuring Time cycle greatly.

2) save human resources.Adopt prior art Measurement die endoporus, need at least to be equipped with more than 2 people, and the employee to just can finish through the training of specialty, and adopt this practical measurement, then only need 1 people can finish measurement.Add the raising of efficiency of measurement, can save the numerical digit cost of labor.

3) the precision height is objective and accurate.Adopt the mould hole measuring method of prior art, by measuring the wire drawing diameter inverse production mould diameter of bore of producing and passing through the wearing and tearing of microscope hand inspection, precision own is just lower on the one hand, also has artificial reading error on the other hand.And adopt measuring instrument of the present utility model to measure, and then can avoid this phenomenon fully, neither there is artificial reading error, and the measuring accuracy height, measuring accuracy can reach 0.001mm.

4) operating personnel's technical experience requires low.Adopt measuring instrument of the present utility model that the mould endoporus is measured, operating personnel only need simply train can be competent at a job, finish and adopt the prior art mould hole measuring method need be by having the complicated operations that the personnel that enrich technical experience just can finish, processing ease.

5) intuitive measurement results is easily preserved.Adopt measuring instrument of the present utility model that the mould endoporus is measured, the result of measurement can show screen or print paper, shows measurement result intuitively, also can data and the form storage of picture, and convenient examination.

The wire production mould endoporus intelligent measuring apparatus that the utility model provides is equipped with suitable computer software, also can be used for measuring profile hole, such as length and width value of square hole etc.

The wire production mould endoporus intelligent measuring apparatus that the utility model provides adopts modular design, form by several subsystems such as Computer Processing control system, tunable light source system, servo motor driving system, digital imaging systems, computing machine is as data processing centre (DPC) and control center, by each subsystem operation of supporting software control.The advantage that measuring instrument had further can be summarized as: measuring accuracy height, operational reliability height, reaction velocity are fast, flexible and convenient operation etc.

Description of drawings

Accompanying drawing 1 is the structural representation of an embodiment of the utility model.

Shown by reference numeral sign object in the accompanying drawing is respectively: the 1-light supply apparatus; 2-mould emplacing platform; The 3-magnifier; The 4-lens barrel; The 5-imageing sensor; The 6-tool housing; The 7-position control; The 8-guide rail; The 9-drive lead screw; The 10-instrument support; The 11-motor; 12-view data processing controls computing machine; The output of a-image acquisition device signal; The output of b-displacement transducer signal; The input of c-servo-electric machine control signal; The input of d-light supply apparatus control signal.

Embodiment

Provide an embodiment of the present utility model below in conjunction with description of drawings, and the utility model is done further specific descriptions by embodiment.It is important to point out; following embodiment only is used for the utility model is described further; can not be interpreted as restriction to the utility model protection domain; affiliated art skilled staff is according to the foregoing invention content; the utility model is made some nonessential improvement and adjustment, and the technical scheme that obtains like this should still belong to protection domain of the present utility model.

Embodiment

The wire production mould endoporus intelligent measuring apparatus of present embodiment, its structure as shown in Figure 1, measuring instrument integral body is vertical structure, its structure is mainly by tool housing 6, be positioned at the instrument stand 10 of shell, be installed in the light supply apparatus 1 on the instrument stand, be fixedly mounted on the tested mould emplacing platform 2 on the light supply apparatus, be positioned at the mould endoporus image acquisition device of mould emplacing platform top, drive the accurate lead screw transmission mechanism that image acquisition device moves, drive the servomotor 11 of lead screw transmission mechanism, and the independent computing machine 12 as the view data processing control apparatus that is provided with constitutes.Light supply apparatus 1, mould emplacing platform 2 and image acquisition device are along vertical corresponding the setting, and the through hole that the measuring light that light supply apparatus sends from below is passed on the mould emplacing platform projects image acquisition device through the mould endoporus.Light supply apparatus 1 is the adjustable light supply apparatus that is made of light emitting diode and light modulation lens set of light intensity.Image acquisition device mainly is made of magnifier 3, tube length is adjustable lens barrel 4 and imageing sensor 5, and magnifier is installed in the lens barrel lower end, lens barrel upper end and imageing sensor connection.Accurate lead screw transmission mechanism be provided with direction and light supply apparatus, mould emplacing platform and image acquisition device that direction is set is parallel, by accurate screw mandrel 9, constitute the nut, guide rail 8 of screw thread transmission with screw mandrel coupling and constitute with slide block that guide rail constitutes sliding pair, slide block is fixedly connected with the lens barrel shell of nut and image acquisition device respectively, and accurate screw mandrel 9 is fixedly connected with the motion output shaft of servomotor 11.Above accurate lead screw transmission mechanism slide block, be provided with slider displacement limit sensors 7.Light supply apparatus 1 signal input end d and servomotor 11 signal input end c respectively with the Computer signal output terminal independently be set be connected.Image acquisition device signal output part a is connected with the independent Computer signal input end that is provided with respectively with slider displacement limit sensors 7 signal output part b.

The operating process of adopting measuring instrument of the present utility model that the mould endoporus is measured is as follows:

1, tested mould is placed on the mould emplacing platform 2, the horizontal survey light that the mould endoporus plane and the light source 1 of bottom are sent is vertical to project to imageing sensor 5 by enlarging lens 3 over against, measuring light after amplifying.

2, computing machine is received the image information that imageing sensor collects and is carried out computing, and according to 1 running of image information control motor, mobile through screw mandrel transmission mechanism control camera lens and imageing sensor is to obtain image information the most accurately.Can certainly obtain accurate image by manual adjustment.

3, adjust focal length and enlargement factor, click the computer software measurement button then, just can measure mould diameter of bore value and endoporus ovality automatically, by numerical value and image dual mode with measurement result by display screen, the mode that shows with image shows information such as the shape, abrasion condition of mould endoporus intuitively.Measurement result can also be noted by the mode of printing and store except showing with display screen is directly perceived.

4, no matter manually or automatically the accurate image that obtains of operation as calculated after the machine software processes, can obtain results such as hole shape, endoporus area, ovality, mean diameter, maximum gauge, minimum diameter in the mould in computing machine.

5, computing machine be except can being stored in above measurement result in the storer, and shows intuitively by display screen, also can print on paper by other other-end equipment.

Claims (10)

1. wire production mould endoporus intelligent measuring apparatus, it is characterized in that mainly comprising instrument stand, be installed in the light supply apparatus on the instrument stand, tested mould emplacing platform, mould endoporus image acquisition device, drive mould emplacing platform gear train and the view data processing control apparatus mobile with one of image acquisition device, light supply apparatus, mould emplacing platform, the corresponding setting of image acquisition device, the image acquisition device signal output part is connected with view data processing control apparatus signal input part, and the light supply apparatus signal input end is connected with view data processing control apparatus signal output part.
2. wire production mould endoporus intelligent measuring apparatus according to claim 1 is characterized in that gear train is driven by servomotor, and the servomotor signal input end is connected with view data processing control apparatus signal output part.
3. wire production mould endoporus intelligent measuring apparatus according to claim 2 is characterized in that mould endoporus image acquisition device mainly is made of magnifier, lens barrel and imageing sensor, and magnifier is installed in the lens barrel front end, and lens barrel rear end and imageing sensor connect.
4. wire production mould endoporus intelligent measuring apparatus according to claim 3, the lens barrel that it is characterized in that constituting mould endoporus image acquisition device is the lens barrel of adjustable in length.
5. according to the described wire production mould of one of claim 1 to 4 endoporus intelligent measuring apparatus, it is characterized in that the light intensity adjustable light supply apparatus of described light supply apparatus for constituting by light emitting diode and light modulation lens set.
6. according to the described wire production mould of one of claim 1 to 4 endoporus intelligent measuring apparatus, it is characterized in that measuring instrument is a vertical structure, light supply apparatus, mould emplacing platform and image acquisition device be along vertical corresponding the setting, the direction of motion of gear train mobile member and light supply apparatus, mould emplacing platform and image acquisition device that direction is set is parallel.
7. wire production mould endoporus intelligent measuring apparatus according to claim 6 is characterized in that the mould emplacing platform is installed on the light supply apparatus, and the image acquisition device that is positioned at mould emplacing platform top is driven by gear train and moves.
8. wire production mould endoporus intelligent measuring apparatus according to claim 7, it is characterized in that described gear train is a lead screw transmission mechanism, by screw mandrel, constitute the nut, guide rail of screw thread transmission with screw mandrel coupling, the slide block that constitutes sliding pair with guide rail constitutes, slide block connects with nut and image acquisition device respectively.
9. according to the described wire production mould of one of claim 1 to 4 endoporus intelligent measuring apparatus, it is characterized in that the gear train design has mobile member movement position control device.
10. according to the described wire production mould of one of claim 2 to 4 endoporus intelligent measuring apparatus, it is characterized in that the motor of drive transmission device motion is a servomotor.
CN2010206179169U 2010-11-22 2010-11-22 Intelligent inner hole measurer for wire production dies CN201876244U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307990A (en) * 2013-07-12 2013-09-18 成都曙创科技有限公司 Automatic position returning device for drawing die inner hole
CN103331317A (en) * 2013-07-04 2013-10-02 成都曙创科技有限公司 Wire-drawing die fixing device
CN104020174A (en) * 2014-06-20 2014-09-03 航天民生科技(北京)有限公司 Microcosmic track detection analysis system and detection method thereof
CN104061881B (en) * 2014-07-11 2017-01-18 哈尔滨工业大学 Optical device and optical measuring method for observing and analyzing actual contact area of contact points
CN108534698A (en) * 2018-05-16 2018-09-14 安徽工程大学 A kind of workpiece through-hole aperture measuring device
CN108680125A (en) * 2018-05-18 2018-10-19 中复碳芯电缆科技有限公司 A method of it measures and squeezes aluminium, wire-drawing die abnormity hole area
CN109798836A (en) * 2019-02-27 2019-05-24 河南中烟工业有限责任公司 A kind of negative-pressure adsorption-type master bar bore diameter measuring method
CN109916319A (en) * 2019-02-27 2019-06-21 河南中烟工业有限责任公司 A kind of positive pressure blowing type master bar bore diameter measuring method
CN110986807A (en) * 2019-11-07 2020-04-10 西安大目智能设备研究所有限公司 Non-contact measuring method for multi-stage inner diameter of stepped deep through hole metal part

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103331317A (en) * 2013-07-04 2013-10-02 成都曙创科技有限公司 Wire-drawing die fixing device
CN103307990A (en) * 2013-07-12 2013-09-18 成都曙创科技有限公司 Automatic position returning device for drawing die inner hole
CN103307990B (en) * 2013-07-12 2015-06-24 成都曙创科技有限公司 Automatic position returning device for drawing die inner hole
CN104020174A (en) * 2014-06-20 2014-09-03 航天民生科技(北京)有限公司 Microcosmic track detection analysis system and detection method thereof
CN104061881B (en) * 2014-07-11 2017-01-18 哈尔滨工业大学 Optical device and optical measuring method for observing and analyzing actual contact area of contact points
CN108534698A (en) * 2018-05-16 2018-09-14 安徽工程大学 A kind of workpiece through-hole aperture measuring device
CN108534698B (en) * 2018-05-16 2019-11-29 安徽工程大学 A kind of workpiece through-hole aperture measuring device
CN108680125A (en) * 2018-05-18 2018-10-19 中复碳芯电缆科技有限公司 A method of it measures and squeezes aluminium, wire-drawing die abnormity hole area
CN109798836A (en) * 2019-02-27 2019-05-24 河南中烟工业有限责任公司 A kind of negative-pressure adsorption-type master bar bore diameter measuring method
CN109916319A (en) * 2019-02-27 2019-06-21 河南中烟工业有限责任公司 A kind of positive pressure blowing type master bar bore diameter measuring method
CN110986807A (en) * 2019-11-07 2020-04-10 西安大目智能设备研究所有限公司 Non-contact measuring method for multi-stage inner diameter of stepped deep through hole metal part

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20110622

Termination date: 20181122