CN104502186A - Electric-control drawing force detector - Google Patents
Electric-control drawing force detector Download PDFInfo
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- CN104502186A CN104502186A CN201410809670.8A CN201410809670A CN104502186A CN 104502186 A CN104502186 A CN 104502186A CN 201410809670 A CN201410809670 A CN 201410809670A CN 104502186 A CN104502186 A CN 104502186A
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Abstract
The invention provides an electric-control drawing force detector which is provided with optoelectronic switches including two limiting optoelectronic switches respectively arranged on limiting positions of opposite movement of two sliding tables, and a zero point optoelectronic switch arranged on a zero rotation position of a rotating shaft of a stepping motor. According to the electric-control drawing force detector provided by the invention, the optoelectronic switches are arranged for determining the limiting positions of opposite movement of two sliding tables and the zero rotation position of the rotating shaft of the stepping motor, so that the stepping motor drives the sliding tables and a detection insertion core to move face to face or opposite to each other; in the operation process, the electric-control drawing force detector is inserted into two ends of a to-be-tested ceramic sleeve, and then is pulled outwards, during the process, a drawing force acquisition unit collects data information transmitted by a force sensor, and an arithmetic unit is used for calculating data information. With the adoption of the electric-control drawing force detector, recording and analysis on variation data of force during the whole pulling process are realized, and valuable reference basis is provided for improving production technologies such as parameter adjustment of production equipment, improvement of good-grade rate, reduction of rework rate and rejection rate.
Description
Technical field
The invention belongs to precision component detection technique field, be specifically related to a kind of automatically controlled pulling capacity detector and control method.
Background technology
Precision sleeve involved in the present invention belongs to the joints of optical fibre, the joints of optical fibre carry out the device that detachable (activity) be connected between optical fiber with optical fiber, it gets up the docking of two of optical fiber end face precisions, the luminous energy exported to make launching fiber can be coupled to greatest extent to receive in optical fiber and go, and makes get involved optical link due to it and reduce to minimum to the impact that system causes.The kind of the joints of optical fibre is a lot, can be divided into FC, SC, ST, MU, LC etc. by connected mode; Zirconia ceramics material, SUS material, glass material, plastic material, metal material etc. can be divided into by shell material.
Along with the forefront technology such as preparation, sinter molding, superhard material Precision Machining, material properties test of domestic nano zirconia ceramic material and the breakthrough of technique and maturation, China is transferred to gradually in zirconia ceramic sleeve production base.But, the current of maturation is tending towards at porcelain bushing precision processing technology, the mass parameters such as the physical dimension of zirconia ceramic sleeve in mass production process, surface imperfection, mechanical property detect and are still fixed against manually in a large number, greatly affect production efficiency and end product quality stability, and affect the outlet of joints of optical fibre product.
In view of disappearance and the inconvenience of above-mentioned known precision sleeve detection, the spirit of adhere to research and innovation, keeping on improving, utilize its professional eye and professional knowledge, the people such as Chen Hong, Zhang Lei works out a kind of alternative manual detection, and improve the automatic detection machine for bidirectional drawing force of precision sleeve detecting stability and degree of accuracy, improve production testing efficiency.Automatic detection device for bidirectional drawing force of ceramic casing pipe disclosed in patent CN202305332U, comprise motor, gear, and a pair detection head and linear steering module, linear steering module is installed on the gear both sides in the middle part of testing agency, linear steering module side stretches out a tooth bar, and and gears meshing, a motor is arranged on the end of arbitrary linear steering module, by rack-and-pinion, two groups of linear steering modules can be driven to march forward mutually and retreat; Detection head is fixed on linear steering module, and detection head is made up of lock pin and force snesor, and force snesor can sense the stressed of lock pin, and the lock pin of two detection heads is oppositely arranged.Automatic detection machine for bidirectional drawing force of precision sleeve disclosed in patent CN102426144A, comprise feed mechanism, transfer mechanism, testing agency, sorting mechanism and numerical control device, described transfer mechanism has vertical take out device, Traverse Displacement Unit and main body, vertical take out device can control body normal motion, Traverse Displacement Unit can control subject along the monitor station transverse movement of testing agency, the two ends of main body respectively arrange a workpiece screens; Described testing agency comprises motor, monitor station, and a pair detection head and linear steering module, linear steering module is installed on the gear both sides in the middle part of testing agency, linear steering module side stretches out a tooth bar, and with gears meshing, one motor is arranged on the end of arbitrary linear steering module, and a pair linear steering module can be driven to march forward mutually and retreat; Detection head is fixed on linear steering module.
Although above-mentioned automatic detecting machine can meet the detection demand of pulling capacity to a certain extent, but still there is following problem in actual use in it: (1) above-mentioned automatic detecting machine just measures draft, and parameter carries out automatic sorting to product accordingly, and the delta data of the power of whole drawing process can not be provided; (2) because pulling capacity detector of the prior art cannot provide the delta data of power in whole drawing process, therefore the data of a batch sample pulling capacity cannot also just be obtained, the data analysis of pulling capacity cannot be realized, thus cannot for the parameter adjustment of production equipment, improve quality product rate, reduce rework rate and rejection rate etc. and improve production technology reference frame is provided.(3) due to detect sample have quantity large, batch more than, therefore, how realizing storage, importing, derivation, inquiry, algorithm process, modeling process etc. that history detects data is also the still unsolved problem of prior art.
Summary of the invention
To be solved by this invention is that pulling capacity of the prior art detection machine can not provide the delta data of power in whole drawing process and lack the problem of data management, and then provides a kind of automatically controlled pulling capacity detector and the control method that effectively can store the delta data of power in whole drawing process.Also provide a kind of measuring accuracy than automatic detection machine for bidirectional drawing force of precision sleeve of the prior art higher, the pulling capacity tester can demarcated it simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of automatically controlled pulling capacity detector, comprising:
Pedestal, described pedestal is provided with slide rail;
Two slide units, are arranged on described slide rail, and described two slide units are installed with detection lock pin respectively, and two described detection lock pins are oppositely arranged;
Force snesor, detects lock pin respectively and is connected and arranges with described two;
Double-end lead-screw, is connected with described two slide units and arranges, and is suitable for driving described two slide units to carry out counter motion along described slide rail;
Stepper motor, is connected with described double-end lead-screw and arranges;
Clamping device, is arranged between described two slide units, is suitable for fixing porcelain bushing sample; In testing process, the detection lock pin of described two detection heads and the axis of described porcelain bushing sample be located on the same line and with the axis being parallel of described double-end lead-screw;
Optoelectronic switch, comprises the limiting photoelectric switch that two are arranged on two slide unit move toward one another extreme position respectively, for determining the extreme position of described two slide unit move toward one another; Also comprise the optoelectronic switch at zero point that is arranged on zero rotational position of described stepping motor rotating shaft, for determining the turned position at zero point of described stepping motor rotating shaft;
Control module, for receive the transmission of signal of optoelectronic switch and the rotating shaft controlling described stepper motor from zero point turned position rotate, first drive described two slide units to carry out move toward one another according to setting speed and setting shift value, then carry out opposing motion according to setting speed until turned position at described zero point is got back in the rotating shaft of described stepper motor again; In the process of move toward one another, when any one in two described limiting photoelectric switch is blocked, described control module controls described stepper motor and shuts down;
Pulling capacity collecting unit, for gathering the data message that force snesor transmits;
Arithmetic element, receives the data message of described pulling capacity collecting unit transmission and carries out calculation process to described data message.
Input media is connected with, for inputting described setting speed and setting shift value with described control module.
The rotating shaft of described stepper motor is provided with pulse code module, for detecting the actual rotation step pitch of stepper motor; Described control module receives the testing result of described pulse code module transmission and described testing result is converted to the actual displacement value of slide unit.
Also be provided with storage unit, for storing the result of described data message and calculation process.
Display device is connected with, for showing the result of described data message and calculation process with described pulling capacity collecting unit and arithmetic element.
Also be provided with host computer, the result of described data message and calculation process communicatively passes to host computer and stored in database.
Described clamping device comprises:
Fixture supports seat, to be arranged on described pedestal and to be fixedly connected with described pedestal;
Fixture, be arranged on described fixture supports seat, be made up of clamp body and two position blocks, described two position blocks are fixedly installed on the upper end of described clamp body, formed and be suitable for the detent placing described porcelain bushing sample between described two position blocks and the upper surface of described clamp body.
Spacing between two inwalls of described detent is consistent with the outer diameter of described porcelain bushing sample; The groove depth of described detent is not less than the exterior radius of described porcelain bushing sample.
Towards the both sides of described two slide units, side shield is installed respectively at described fixture, each described side shield is provided with bellmouth, described bellmouth is along reducing gradually towards the direction inside described fixture, the minimum diameter 0.1mm larger than the external diameter of described porcelain bushing sample of described bellmouth, the center line in two upper conical holes of described side shield is on same straight line; The symmetrical center line of described detent overlaps with the center line of the bellmouth on two described side shields.
Described two slide units are separately installed with measuring head base, described measuring head base is provided with mounting hole, the clamping head of described detection lock pin floats and is arranged in described mounting hole, described force snesor is fixedly installed on described measuring head base, and two described measuring head bases are connected in the measuring head base locating slot on described two slide units respectively;
The upper surface of described fixture supports seat is provided with fixture locating slot, and described fixture is connected in described fixture locating slot;
Measuring head base locating slot on described two slide units is parallel with described bipitch silk rod axis with the symcenter line of the fixture locating slot three on described fixture support seat.
Electric-control system for pulling capacity detector provided by the invention, advantage is:
(1) automatically controlled pulling capacity detector provided by the invention, be provided with optoelectronic switch, comprise the optoelectronic switch at zero point that two limiting photoelectric switch being arranged on two slide unit move toward one another extreme position respectively and are arranged on zero rotational position of described stepping motor rotating shaft; By arranging described optoelectronic switch, for the turned position at zero point of the extreme position and described stepping motor rotating shaft of determining described two slide unit move toward one another; The starting stage detected, described control module controls the rotating shaft zero of described stepper motor according to the signal of optoelectronic switch transmission at zero point; In testing process, described control module control described stepper motor from zero point turned position start rotate, first drive described two slide units to carry out move toward one another, then carry out opposing motion, until turned position at described zero point is got back in the rotating shaft of described stepper motor again; In order to prevent slide unit to exceed the maximum position thus damage the physical construction of detector, when any one in two described limiting photoelectric switch is blocked, described control module controls described stepper motor and shuts down.
(2) automatically controlled pulling capacity detector provided by the invention, is provided with pulse code module, is fixedly connected with described stepping motor rotating shaft, for detecting described stepper motor actual rotation step pitch, and converts actual displacement value to by described double end screw mandrel.In testing process, described slide unit is driven first to carry out move toward one another by setting shift value and setting translational speed by described stepper motor; Reach the limit of position, described stepper motor stops a moment, more opposing motion; Correspondingly, in opposite directions-opposing motion described in the detection lock pin on described slide unit also carries out, thus the two ends of first quick insertion described porcelain bushing to be measured, then extract at a slow speed the two ends of described porcelain bushing backward, then rapid backward is to null position; In this course, described pulling capacity collecting unit gathers the data message that force snesor transmits; Arithmetic element then carries out calculation process to described data message.Thus achieve record and the data analysis of the delta data of power in whole drawing process, can for the parameter adjustment of production equipment, improve quality product rate, reduce rework rate and rejection rate etc. and improve production technology valuable reference frame is provided.
(3) automatically controlled pulling capacity detector provided by the invention, is also provided with host computer, and the result of described data message and calculation process communicatively passes to host computer and stored in database.Thus store and management can be carried out to the history detection data of multiple batches of, a large amount of detection samples, the inquiry of data, algorithm process, modeling process etc. can be realized.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to specific embodiment of the invention case also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Figure 1 shows that the structural representation of pulling capacity detector of the present invention;
Figure 2 shows that the structural representation of clamping device of the present invention;
Figure 3 shows that the composition schematic diagram of the electric-control system of pulling capacity detector of the present invention;
Wherein, Reference numeral is:
The left slide unit of 1-; 2-slide rail; 3-double-end lead-screw; 4-pedestal; 5-detent; 6-stepper motor; The right slide unit of 7-; 8-measuring head base; 9-force snesor; 10-clamping head; 11-lock-screw; 12-detects lock pin; 13-porcelain bushing sample; 14-fixture; 15-limiting photoelectric switch; 16-control module; 17-pulse code module; 18-input media; 19-pulling capacity collecting unit; 20-arithmetic element; 21-storage unit; 22-host computer.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below embodiments of the present invention are described in further detail.
embodiment 1
Automatically controlled pulling capacity detector in the present embodiment as depicted in figs. 1 and 2, comprises pedestal 4 and the slide rail 2 be arranged on described pedestal 4.Described slide rail 2 is provided with two slide units, be respectively left slide unit 1 and right slide unit 7, described left slide unit 1 and described right slide unit 7 are separately installed with measuring head base 8, and two described measuring head bases 8 are connected in the measuring head base locating slot on described left slide unit 1 and described right slide unit 7 respectively; Detection lock pin 12, clamping head 10 and force snesor 9 that each described measuring head base 8 is provided with, wherein said detection lock pin 12 screw 11 that is locked is fastened and fixed in the side of described clamping head 10, the opposite side of described clamping head 10 is connected with described force snesor 9, simultaneously described clamping head 10 also with described measuring head base 8 floating connection; The detection lock pin 12 be positioned on described two measuring head bases 8 is oppositely arranged.As preferred embodiment, the left slide unit 1 described in the present embodiment and right slide unit 7 are the two guide rail ball slide units eliminating clearance measurement.As selectable embodiment, the described left slide unit 1 in the present embodiment and right slide unit 7 also can be set to the slide unit of other form.
Described pedestal 4 is provided with double-end lead-screw 3, described double-end lead-screw 3 is connected with described left slide unit 1 and right slide unit 7 and arranges, stepper motor 6 is connected with described double-end lead-screw 3, under the effect of described stepper motor 6, described double-end lead-screw 3 is suitable for driving described left slide unit 1 and right slide unit 7 to march forward mutually centering and setback dorsad along described slide rail 2;
Described pedestal 4 is also provided with fixture 14, and described fixture 14 is arranged between described left slide unit 1 and right slide unit 7, forms the detent 5 being suitable for placing ceramic sleeve pipe sample 13 on the top of described fixture 14.
Automatically controlled pulling capacity detector in the present embodiment is provided with optoelectronic switch, comprises the limiting photoelectric switch 15 that two are arranged on two slide unit move toward one another extreme position respectively, for determining the extreme position of described two slide unit move toward one another; Also comprise the optoelectronic switch at zero point that is arranged on zero rotational position of described stepping motor rotating shaft, for determining the turned position at zero point of described stepping motor rotating shaft;
In addition, as shown in Figure 3, the automatically controlled pulling capacity detector in the present embodiment is also provided with:
Control module 16, for receive optoelectronic switch transmission signal and control described stepper motor from zero point turned position rotate, and then drive two slide units first according to setting shift value and setting speed move toward one another, opposing motion is carried out again, until turned position at described zero point is got back in the rotating shaft of described stepper motor again according to setting speed; The rotating shaft of described stepper motor is provided with pulse code module 17, for detecting the actual rotation step pitch of stepper motor 6; Described control module 16 detects the actual rotation step pitch of stepper motor by pulse code module 17 and described rotation step pitch is converted to the actual displacement value of slide unit; And in the process of move toward one another, when any one in two described limiting photoelectric switch 15 is blocked, described control module 16 controls described stepper motor and shuts down.Be connected with input media 18 with described control module 16, for inputting described setting translational speed and setting displacement, the input media 18 described in the present embodiment is touch display screen; As selectable embodiment, described setting translational speed and setting displacement also can not be inputted by described input media 18, but are directly stored in described control module 16 as threshold value.
Pulling capacity collecting unit 19 is connected with, for gathering the data message that force snesor transmits with described force snesor; Described data message utilizes arithmetic element 20 to carry out calculation process; Touch display screen described in the present embodiment is also connected with described pulling capacity collecting unit 19 and arithmetic element 20 simultaneously and arranges, for showing the result of data message and calculation process.
Pulling capacity detector in the present embodiment is also provided with and is also provided with storage unit 21, for storing the result of described data message and calculation process.
The detection method of the pulling capacity detector described in the present embodiment is:
(1) setting-out step: porcelain bushing sample 13 to be detected is placed in the described detent 5 of fixture 14;
(2) input setting speed and setting shift value by input media 18, the starting stage detected, the rotating shaft that described control module 16 controls described stepper motor according to the signal of optoelectronic switch transmission at zero point is positioned at turned position at zero point;
(3) rotating shaft that controls described stepper motor of described control module 16 from zero point turned position rotate, by the transmission effect of double-end lead-screw, first control described two slide units and carry out move toward one another according to setting speed and setting shift value, in this course, described control module controls described stepper motor according to the size of the actual displacement value of slide unit and rotates:
In the process of move toward one another, the size of described control module 16 to described actual displacement value and described setting shift value compares, when described actual displacement value is less than described setting shift value, described control module 16 controls described stepper motor and rotates forward, drive two described slide units with setting speed move toward one another, thus promote to detect lock pin in the detected porcelain bushing sample of two ends insertion; Until when described actual displacement value equals described setting shift value, described control module 16 controls described stepper motor and shuts down;
Then described control module 16 controls the reversion of described stepper motor, drives two described slide units to carry detection lock pin and carries out opposing motion, until turned position at zero point is got back in the rotating shaft of described stepper motor again; In the process of opposing motion, described pulling capacity collecting unit 19 receives signal that described force snesor 9 transmits and is converted to pulling capacity data message, and computing module receives pulling capacity data message that pulling capacity collecting unit 19 transmits and to go forward side by side row operation process.
In the process of move toward one another, in order to prevent slide unit to exceed the maximum position thus damage the physical construction of detector, when any one in two described limiting photoelectric switch 15 is blocked, described control module 16 controls described stepper motor and shuts down.
The setting speed that input media 18 described in the present embodiment inputs can be a variate, as preferred embodiment, what the setting speed in move toward one another process can be arranged is comparatively large, thus controls two and detect lock pins and insert the two ends of porcelain bushing sample 13 to be measured with speed faster; And in the process of opposing motion, preferred described detection lock pin first extracts at a slow speed the two ends of described porcelain bushing sample 13, then rapid backward is to null position; Or also setting speed can be arranged to the variate with slide unit actual displacement value proportion relation, control described two slide units and carry out variable motion according to the relation curve between setting speed-actual displacement value.
embodiment 2
Automatically controlled pulling capacity detector in the present embodiment as depicted in figs. 1 and 2, comprises pedestal 4 and the slide rail 2 be arranged on described pedestal 4.Described slide rail 2 is provided with two slide units, be respectively left slide unit 1 and right slide unit 7, described left slide unit 1 and described right slide unit 7 are separately installed with measuring head base 8, and two described measuring head bases 8 are connected in the measuring head base locating slot on described left slide unit 1 and described right slide unit 7 respectively; Detection lock pin 12, clamping head 10 and force snesor 9 that each described measuring head base 8 is provided with, wherein said detection lock pin 12 screw 11 that is locked is fastened and fixed in the side of described clamping head 10, the opposite side of described clamping head 10 is connected with described force snesor 9, simultaneously described clamping head 10 also with described measuring head base 8 floating connection; The detection lock pin 12 be positioned on described two measuring head bases 8 is oppositely arranged.As preferred embodiment, the left slide unit 1 described in the present embodiment and right slide unit 7 are the two guide rail ball slide units eliminating clearance measurement.As selectable embodiment, the described left slide unit 1 in the present embodiment and right slide unit 7 also can be set to the slide unit of other shape.
Described pedestal 4 is provided with double-end lead-screw 3, described double-end lead-screw 3 is connected with described left slide unit 1 and right slide unit 7 and arranges, stepper motor 6 is connected with described double-end lead-screw 3, under the effect of described stepper motor 6, described double-end lead-screw 3 is suitable for driving described left slide unit 1 and right slide unit 7 to march forward mutually centering and retrogressing detection campaign dorsad along described slide rail 2;
Described pedestal 4 is also provided with clamping device, and described clamping device comprises and being arranged on described pedestal and the fixture supports seat be fixedly connected with described pedestal and the fixture be arranged on described fixture support seat; In the present embodiment, the upper surface of described fixture support seat is provided with fixture locating slot, described fixture is arranged in described fixture locating slot, and the measuring head base locating slot on described two slide units is parallel with described bipitch silk rod axis with the symcenter line of the fixture locating slot three on described fixture support seat.
Fixture described in the present embodiment is made up of clamp body and two position blocks, described two position blocks are fixedly installed on the upper end of described clamp body, formed and be suitable for the detent 5 placing described porcelain bushing sample 13 between described two position blocks and the upper surface of described clamp body.
Spacing between two inwalls of described detent 5 is consistent with the outer diameter of described porcelain bushing sample; The groove depth of described detent 5 is not less than the exterior radius of described porcelain bushing sample.Side shield is separately installed with in the both sides of described fixture, each described side shield is provided with bellmouth, described bellmouth is along reducing gradually towards the direction inside described fixture, the minimum diameter 0.1mm larger than the external diameter of described porcelain bushing sample of described bellmouth, the center line in two upper conical holes of described side shield is on same straight line; The symmetrical center line of described detent 5 overlaps with the center line of the bellmouth on two described side shields.
The electric-control system of the pulling capacity detector in the present embodiment is provided with optoelectronic switch, comprises the limiting photoelectric switch 15 that two are arranged on two slide unit move toward one another extreme position respectively, for determining the extreme position of described two slide unit move toward one another; Also comprise the optoelectronic switch at zero point that is arranged on zero rotational position of described stepping motor rotating shaft, for determining the turned position at zero point of described stepping motor rotating shaft;
In addition, the pulling capacity detector electric-control system in the present embodiment is provided with:
Control module 16, for receive the transmission of signal of optoelectronic switch and the rotating shaft controlling described stepper motor from zero point turned position rotate, described two slide units are first driven to carry out move toward one another according to setting shift value and setting speed, opposing motion is carried out again, until turned position at described zero point is got back in the rotating shaft of described stepper motor again according to the relation curve between setting speed-actual displacement value; Described control module 16 detects the actual rotation step pitch of stepper motor by pulse code module 17 and converts described rotation step pitch to actual displacement value; In opposite directions with in opposing motion process, the size of described control module 16 to described actual displacement value and described setting shift value compares, and controls described stepper motor rate curve on request according to comparative result and rotate.And in the process of move toward one another, when any one in two described limiting photoelectric switch 15 is blocked, described control module 16 controls described stepper motor and shuts down.Input media 18 is connected with, for inputting described setting translational speed and setting displacement with described control module 16; As selectable embodiment, described setting translational speed and setting displacement also can not be inputted by described input media 18, but are directly stored in described control module 16.
Pulling capacity collecting unit 19 is connected with, for gathering the data message that force snesor transmits with described force snesor; Described data message utilizes arithmetic element 20 to carry out calculation process; Display device is connected with, for showing the result of described data message and calculation process with described pulling capacity collecting unit 19 and arithmetic element 20; Also be provided with host computer 22, the result of described data message and calculation process communicatively passes to host computer 22 and stored in database.
The course of work of the pulling capacity detector described in the present embodiment comprises the following steps:
(1) setting-out step: porcelain bushing sample 13 to be detected is placed in the described detent 5 of fixture 14;
(2) input setting speed and setting shift value by input media 18, the starting stage detected, the rotating shaft that described control module 16 controls described stepper motor according to the signal of optoelectronic switch transmission at zero point is positioned at turned position at zero point;
(3) rotating shaft that controls described stepper motor of described control module 16 from zero point turned position rotate, by the transmission effect of double-end lead-screw, first described two slide units are driven to carry out move toward one another according to setting shift value and setting speed, in this course, the size of described control module 16 to described actual displacement value and described setting shift value compares, and controls the rotation of described stepper motor according to comparative result:
When described actual displacement value is less than described setting shift value, described control module 16 controls described stepper motor and rotates forward, and drives two quick move toward one another of described slide unit, thus promotes to detect lock pin from the detected porcelain bushing sample centering of two ends insertion; Until when described actual displacement value equals described setting shift value, described control module 16 controls described stepper motor and shuts down;
Then described control module 16 controls the reversion of described stepper motor, drive two described slide units to carry detection lock pin to carry out first extracting at a slow speed the two ends of described porcelain bushing, the opposing motion of rear rapid evacuation, until turned position at zero point is got back in the rotating shaft of described stepper motor again; In the process of opposing motion, described pulling capacity collecting unit 19 receives signal that described force snesor 9 transmits and is converted to pulling capacity data message, and operation control processing module receives pulling capacity data message that pulling capacity collecting unit 19 transmits and to go forward side by side row operation process.
In the process of move toward one another, in order to prevent slide unit to exceed the maximum position thus damage the physical construction of detector, when any one in two described limiting photoelectric switch 15 is blocked, described control module 16 controls described stepper motor and shuts down.
The present embodiment is managed by host computer 22 pairs of data: because the quantity detecting sample is large, batch more than, host computer 22 can preserve all data of each detection sample; Meanwhile, by data base management system (DBMS), operating personnel can import historical data, derive, inquiry etc., also can carry out the process of filtering scheduling algorithm to data simultaneously; Data can also be shared with third party software and carry out data modeling process etc.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. an automatically controlled pulling capacity detector, comprising:
Pedestal, described pedestal is provided with slide rail;
Two slide units, are arranged on described slide rail, and described two slide units are installed with detection lock pin respectively, and two described detection lock pins are oppositely arranged;
Force snesor, detects lock pin respectively and is connected and arranges with described two;
Double-end lead-screw, is connected with described two slide units and arranges, and is suitable for driving described two slide units to carry out counter motion along described slide rail;
Stepper motor, is connected with described double-end lead-screw and arranges;
Clamping device, is arranged between described two slide units, is suitable for fixing porcelain bushing sample; In testing process, the detection lock pin of described two detection heads and the axis of described porcelain bushing sample be located on the same line and with the axis being parallel of described double-end lead-screw;
It is characterized in that, be also provided with:
Optoelectronic switch, comprises the limiting photoelectric switch that two are arranged on two slide unit move toward one another extreme position respectively, for determining the extreme position of described two slide unit move toward one another; Also comprise the optoelectronic switch at zero point that is arranged on zero rotational position of described stepping motor rotating shaft, for determining the turned position at zero point of described stepping motor rotating shaft;
Control module, for receive the transmission of signal of optoelectronic switch and the rotating shaft controlling described stepper motor from zero point turned position rotate, first drive described two slide units to carry out move toward one another according to setting speed and setting shift value, then carry out opposing motion according to setting speed until turned position at described zero point is got back in the rotating shaft of described stepper motor again; In the process of move toward one another, when any one in two described limiting photoelectric switch is blocked, described control module controls described stepper motor and shuts down;
Pulling capacity collecting unit, for gathering the data message that force snesor transmits;
Arithmetic element, receives the data message of described pulling capacity collecting unit transmission and carries out calculation process to described data message.
2. automatically controlled pulling capacity detector according to claim 1, is characterized in that, be connected with input media with described control module, for inputting described setting speed and setting shift value.
3. automatically controlled pulling capacity detector according to claim 1 and 2, is characterized in that, the rotating shaft of described stepper motor is provided with pulse code module, for detecting the actual rotation step pitch of stepper motor; Described control module receives the testing result of described pulse code module transmission and described testing result is converted to the actual displacement value of slide unit.
4. the automatically controlled pulling capacity detector according to claim 1 or 2 or 3, is characterized in that, be also provided with storage unit, for storing the result of described data message and calculation process.
5. automatically controlled pulling capacity detector according to claim 4, is characterized in that, is connected with display device with described pulling capacity collecting unit and arithmetic element, for showing the result of described data message and calculation process.
6. automatically controlled pulling capacity detector according to claim 5, is characterized in that, be also provided with host computer, and the result of described data message and calculation process communicatively passes to host computer and stored in database.
7., according to the arbitrary described automatically controlled pulling capacity detector of claim 1-6, it is characterized in that, described clamping device comprises:
Fixture supports seat, to be arranged on described pedestal and to be fixedly connected with described pedestal;
Fixture, be arranged on described fixture supports seat, be made up of clamp body and two position blocks, described two position blocks are fixedly installed on the upper end of described clamp body, formed and be suitable for the detent placing described porcelain bushing sample between described two position blocks and the upper surface of described clamp body.
8. the automatically controlled pulling capacity detector according to claim 1-7, is characterized in that, the spacing between two inwalls of described detent is consistent with the outer diameter of described porcelain bushing sample; The groove depth of described detent is not less than the exterior radius of described porcelain bushing sample.
9. according to the automatically controlled pulling capacity detector in claim 1-8 described in any one, it is characterized in that, towards the both sides of described two slide units, side shield is installed respectively at described fixture, each described side shield is provided with bellmouth, described bellmouth is along reducing gradually towards the direction inside described fixture, the minimum diameter 0.1mm larger than the external diameter of described porcelain bushing sample of described bellmouth, the center line in two upper conical holes of described side shield is on same straight line; The symmetrical center line of described detent overlaps with the center line of the bellmouth on two described side shields.
10. according to the automatically controlled pulling capacity detector in claim 1-9 described in any one, it is characterized in that, described two slide units are separately installed with measuring head base, described measuring head base is provided with mounting hole, the clamping head of described detection lock pin floats and is arranged in described mounting hole, described force snesor is fixedly installed on described measuring head base, and two described measuring head bases are connected in the measuring head base locating slot on described two slide units respectively;
The upper surface of described fixture supports seat is provided with fixture locating slot, and described fixture is connected in described fixture locating slot;
Measuring head base locating slot on described two slide units is parallel with described bipitch silk rod axis with the symcenter line of the fixture locating slot three on described fixture support seat.
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| CN201410809670.8A CN104502186A (en) | 2014-12-19 | 2014-12-19 | Electric-control drawing force detector |
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| CN201410809670.8A CN104502186A (en) | 2014-12-19 | 2014-12-19 | Electric-control drawing force detector |
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