CN107727293A - A kind of spring force detection means and its detection method - Google Patents

A kind of spring force detection means and its detection method Download PDF

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Publication number
CN107727293A
CN107727293A CN201711163586.3A CN201711163586A CN107727293A CN 107727293 A CN107727293 A CN 107727293A CN 201711163586 A CN201711163586 A CN 201711163586A CN 107727293 A CN107727293 A CN 107727293A
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CN
China
Prior art keywords
carbon brush
force
spring
sensor
positioning seat
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Pending
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CN201711163586.3A
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Chinese (zh)
Inventor
董玉林
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Langfang Jinrun Otton Intelligent Equipment Co., Ltd.
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Tianjin Maisite Motorcycle Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Maisite Motorcycle Parts Co Ltd filed Critical Tianjin Maisite Motorcycle Parts Co Ltd
Priority to CN201711163586.3A priority Critical patent/CN107727293A/en
Publication of CN107727293A publication Critical patent/CN107727293A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0057Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements

Abstract

The invention discloses a kind of spring force detection means and its detection method, including double-layer scaffold, workpiece identification mechanism, workpiece positioning seat and carbon brush in place is set to head into mechanism on double-layer scaffold upper strata, double-layer scaffold lower floor sets mechanism for testing Servocontrol device, turn device and force measuring machine.The present invention be directed to the novel mechanism of value of elastic dynamic detection of the carbon brush for motor frame spring in setting stroke range, it is incomplete to solve spring force detection data, the problems such as testing result fluctuation is big, realize the detection of dynamic rule of the spring force in elastic range, full and accurate basic data is provided for scientific analysis and management product technical quality state, to ensure that stable and reliable product quality serves very crucial effect.

Description

A kind of spring force detection means and its detection method
Technical field
The present invention relates to detection technique field, especially it is a kind of be used for spring force detection means on carbon brush for motor frame and Detection method.
Background technology
At present, to brush holder spring, the control to power is very accurate in use in motor assembly, is needed before use pair It is detected.
The detection method of brush holder spring elastic force is typically using measuring staff fixed point setting examination, i.e., in the position of measuring staff setting or dynamic Make start of a run, terminal position when, the corresponding value of elastic of measure now distortion spring, mostly using manual or relatively-stationary Cylinder is spacing to be acted to realize measuring staff driving and retract.Such a method has that accuracy of detection is not high, and detection data are few, testing result ripple Dynamic property is big, the deficiencies such as detection efficiency is low.
A kind of Full-automatic carbon brush spring correction force measuring machine, the brush holder spring are disclosed in Patent No. CN105420735A Correcting force measuring machine includes feed unit, supply unit and calibration load cell, realizes automation, operates flexibly and fast, carbon The dynamometry efficiency high of brush spring, and the precision of dynamometry is high, it is not necessary to substantial amounts of manpower and materials are expended, greatly save cost.Specially Profit number is that a kind of spring detection device is disclosed in the U of CN 203037227, and the equipment includes workbench, feed mechanism, feeder Structure, spring concentricity mechanism for testing, at least one set of spring-compressed force measuring machine, spring heights mechanism for testing, PLC controllers and Industrial computer, new elastic force that can be disposably to the concentricity of spring, height and when being compressed are tested, improved Testing efficiency.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of spring force detection means and its detection method, the device is For the novel mechanism of value of elastic dynamic detection of the carbon brush for motor frame spring in setting stroke range, to workpiece positioning, rotation Transposition, brush holder spring elastic force detection operation collection are combined into an entirety, and delicate structure, automaticity is higher, and motion is simple, function Reliably, detection efficiency is higher, the device coordinate detection method, solve spring force detection data it is incomplete, testing result fluctuation The problems such as property is big, realizes the detection of dynamic rule of the spring force in elastic range, to analyse and managing production scientifically Product technical quality state provides full and accurate basic data, to ensure that it is very crucial that stable and reliable product quality serves Effect.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of spring force detection means, it is special Levy and be to include double-layer scaffold, set workpiece identification mechanism, workpiece positioning seat and carbon brush in place to head into machine on double-layer scaffold upper strata Carbon brush for motor frame is fixed on the positioning for structure, wherein workpiece positioning seat, and identification mechanism and carbon brush in place head into mechanism and be arranged at work Around part positioning seat, and point to carbon brush for motor frame;Double-layer scaffold lower floor set mechanism for testing Servocontrol device, turn device and Force measuring machine, force measuring machine are arranged at immediately below workpiece positioning seat, and force measuring machine is driven by mechanism for testing Servocontrol device And shift position, turn device are connected with workpiece positioning seat, and workpiece positioning seat is driven to rotate.
Such scheme is further qualified, the workpiece identification mechanism in place includes being fixed on the biography on double-layer scaffold upper strata Sensor bracket and be provided with sensor protective shield in level sensor, sensor periphery in place, wherein level sensor emitting head with Exposed terminal top aligns on carbon brush for motor frame, is scanned and identifies the terminal position.
Such scheme is further qualified, the carbon brush, which heads into mechanism, to be included guide pad, head into cylinder, positioning seat and top Bar, wherein guide pad are fixed with double-layer scaffold upper surface, are headed into cylinder and are fixed on positioning seat, head into the piston end of cylinder with Push rod horizontal connection, push rod middle part coordinate with the guide pad being fixed on positioning seat, mandrel ends and the bullet on carbon brush for motor frame Spring outboard end aligns.
Such scheme is further qualified, the mechanism for testing Servocontrol device includes sensor locating piece, stroke Position sensor group, stroke lead screw mechanism and stroke servomotor, the stroke servomotor driving trip screw mechanism is along horse Feed motion is made in telescopic spring direction on up to carbon brush holder, force measuring machine is provided with stroke screw mechanism end, in stroke lead screw machine Structure both sides are provided with sensor locating piece, more than two distance position sensor groups are distributed with sensor locating piece, in stroke Tooth form sensing chip is fixed with screw mechanism, distance position sensor group gathers the position of tooth form sensing chip, coordinates force measuring machine The test force value of collection, form force value curve.
Such scheme is further qualified, the sensor locating piece is arranged along stroke lead screw mechanism kinematic direction, It is slidably matched between distance position sensor group and sensor locating piece upper surface chute.
Such scheme is further qualified, the turn device includes cylinder of setting a table, and is set on the output shaft for cylinder of setting a table There is gear, gear is connected by cog belt with the gear below workpiece positioning seat, drives workpiece positioning seat reciprocating rotation, and it is rotated Angle is identical with the two groups of spring angles arranged on carbon brush for motor frame, and cylinder of setting a table is fixed on double-layer scaffold by cylinder locating piece Lower floor.
Such scheme is further qualified, the force measuring machine includes force cell, the dynamometry end of force cell Measuring staff is fixed with, the end of measuring staff is L-shaped, and the fixing end of force cell is fixed on mechanism for testing by sensor locating seat to be watched Take on control device.
A kind of spring force detects detection method, it is characterised in that:Detecting step is as follows:
(1)Carbon brush for motor frame is put on workpiece positioning seat first, wherein terminal upward, makes carbon brush for motor frame keep correct appearance State, then position identification is carried out by the terminal exposed to carbon brush for motor frame in level sensor in workpiece identification mechanism in place, confirm Carbon brush for motor frame can carry out brush holder spring elastic force detection after placing correctly;
(2)Then from carbon brush head into the push rod of mechanism by a carbon brush of carbon brush for motor frame along carbon brush grooving into workpiece positioning seat The heart pushes to spring force maximum point, and the carbon brush is pressed to carbon brush holder axle center by corresponding brush holder spring under elastic force effect, this When measuring staff on the force measuring machine in carbon brush holder centre space just touch carbon brush close to the end face of axis part;
(3)After measuring staff contacts with carbon brush, opposite direction is sent into along carbon brush to force measuring machine by mechanism for testing Servocontrol device Carbon brush is released, brush holder spring force side keeps contacting with carbon brush outer face, and measuring staff and force cell begin with carbon brush and spring Eventually under elastic force effect, spring is by stress deformation during whole push;
(4)It can be seen from Newton's third law, the elastic force of spring will be also delivered on force cell by carbon brush and measuring staff, be surveyed The distance position sensor group of multiple measuring staff shift positions sensor is set on test-run a machine structure Servocontrol device, in above-mentioned spring bullet In power detection process, reading is acquired to multiple measuring point force value, realizes that the collection to different measuring points force value is read and analysis is remembered Record, so as to form force value effect, then data acquisition is carried out by PLC and analytic statistics ultimately forms spring curve.
It is using beneficial effect caused by above-mentioned technical proposal:
(1)The present invention carries out elastic force detection for two springs on carbon brush for motor frame, coordinates workpiece positioning using double-layer scaffold Seat, workpiece identification mechanism in place, carbon brush head into mechanism, mechanism for testing Servocontrol device, turn device and force measuring machine, realize Each mechanism collection, is combined into an entirety by the functions such as positioning, rotation transposition, compression spring and elastic force detection to detecting workpiece, Its delicate structure, automaticity is higher, and motion is simple, and function is reliable, has higher detection efficiency;
(2)Force measuring machine in the present invention, upright measuring staff is coordinated using force cell, form the loading of vertical high accuracy and pass Feel mechanism, measuring staff directly contacts with carbon brush, realizes and the spring force on carbon brush for motor frame is acquired, the mechanism and traditional power Value sensor or device for measuring force are compared, and its dynamometry value precision has very big lifting(Dynamometry precision can be improved to by ± 0.01N ± 0.005N), and then improve the measuring accuracy of spring force;
(3)The present invention is provided with more than two strokes when being gathered to spring force on mechanism for testing Servocontrol device Position sensor group, using the detection of dynamic force value and multidraw analysis method, the characteristics of being deformed according to spring and rule, The force value that spring force is deformed and changed with continuous elastic is tracked monitoring, while multiple to the carbon brush of motor product requirement Value of elastic corresponding to position carries out test result sampling and data analysis in stroke, forms spring force change curve and to score New record testing result.This detection method solves the problems such as spring force detection data are not complete, and testing result fluctuation is big, real The detection of dynamic rule of the spring force in elastic range is showed, for scientific analysis and management product technical quality state Full and accurate basic data is provided, to ensure that stable and reliable product quality serves very crucial effect;
(4)In order to test the brush holder spring of two positions on same carbon brush for motor frame, using single-station automatic displacement mode, pass through Control the self-oscillate position for cylinder of setting a table(Such as 90 ° of pivot angle)Brush holder spring A, brush holder spring B detecting position auto-conversion function are realized, And then detection non-cutting time is reduced, improve detection efficiency.
Brief description of the drawings
Fig. 1 is the structural upright schematic diagram of the present invention;
Fig. 2 is the structural upright schematic diagram of another angle of the present invention;
Fig. 3 is the schematic diagram of workpiece identification mechanism in place in the present invention;
Fig. 4 is the front view that workpiece carbon brush heads into mechanism in the present invention;
Fig. 5 is Fig. 4 top view;
Fig. 6 is the schematic diagram that Fig. 2 conceals double-layer scaffold top plate and workpiece identification mechanism in place;
Fig. 7 is the schematic diagram of mechanism for testing Servocontrol device and force measuring machine in the present invention;
Fig. 8 is the schematic diagram of mechanism for testing Servocontrol device in the present invention;
Fig. 9 is the structural representation of inverted carbon brush for motor frame;
Figure 10 is the flow chart detected to Fig. 9 carbon brush for motor frame;
In figure:1st, workpiece identification mechanism in place, 2, workpiece positioning seat, 3, carbon brush head into mechanism, 4, mechanism for testing SERVO CONTROL dress Put, 5, turn device, 6, force measuring machine, 7, double-layer scaffold, 8, brush holder spring A, 9, brush holder spring B, 10, terminal;
11st, sensor stand, 12, in level sensor, 13, sensor protective shield;
31st, guide pad, 32, head into cylinder, 33, positioning seat, 34, push rod;
41st, sensor locating piece, 42, distance position sensor group, 43, stroke lead screw mechanism, 44, stroke servomotor, 45, tooth Shape sensing chip;
51st, cog belt, 52, cylinder of setting a table, 53, cylinder locating piece;
61st, sensor locating seat, 62, force cell, 63, measuring staff.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
1 and 2 understand that the present invention is a kind of spring force detection means, and the device identifies in place including workpiece with reference to the accompanying drawings Mechanism 1, workpiece positioning seat 2, carbon brush head into mechanism 3, mechanism for testing Servocontrol device 4, turn device 5, force measuring machine 6 and double Layer support 7 seven part, wherein double-layer scaffold 7 mainly carry out installation fixation to each several part, and the upper strata of double-layer scaffold 7 is fixed workpiece and existed Position identification mechanism 1, workpiece positioning seat 2 and carbon brush head into mechanism 3, and the lower floor of double-layer scaffold 7 sets mechanism for testing Servocontrol device 4th, turn device 5 and force measuring machine 6.Workpiece positioning seat 2 to detected workpiece --- carbon brush for motor frame is fixed on the positioning, work Part positioning seat 2 is disc structure, and it can rotate along axis, be fixed between workpiece positioning seat 2 and double-layer scaffold 7 by bearing rotary Connection.Rotate identification mechanism 1 and carbon brush in place and head into mechanism 3 and be arranged at around workpiece positioning seat 2, and point to carbon brush for motor frame, Identification mechanism 1 in place carries out position detection to carbon brush for motor frame, judges whether in correct position, it is desirable to which carbon brush heads into carbon brush Mechanism 3 aligns, and carbon brush heads into mechanism 3 and the carbon brush on carbon brush for motor frame is compressed, and the spring of carbon brush extruding behind, is formed Compressive state;Force measuring machine 6 is arranged at immediately below workpiece positioning seat 2, force measuring machine 6 and inside on detected carbon brush for motor frame Carbon brush is contacted, and under spring force, carbon brush and force measuring machine 6 are promoted, carry out the elastic force of detection spring.Survey in the present apparatus Force mechanisms 6 are realized and spring are existed by the driving of mechanism for testing Servocontrol device 4 and shift position, moving direction away from spring Slowly loosening under compaction, during loosening, according to multiple collection points are set, form multipoint acquisition elastic force, most end form Into elastic force line taking.Two springs, therefore the turn device 5 set and workpiece positioning seat are set on carbon brush for motor frame in the present invention 2 connections, and drive workpiece positioning seat 2 to rotate, in the case where once crossing top installation carbon brush holder, realize that two springs are automatic successively Detection.
Accompanying drawing 3 is the workpiece identification mechanism schematic diagram in place in the present invention, and workpiece identification mechanism 1 in place is double including being fixed on The sensor stand 11 on layer support 7 upper strata and in level sensor 12, sensor protective shield 13 is provided with the periphery of level sensor 12, its In aligned in the emitting head of level sensor 12 with the exposed top of terminal 10 on carbon brush for motor frame, mainly by level sensor 12 Identification and detection in place are scanned to the exposed terminal of carbon brush holder assembly 10, whether correct placement is to work to judge carbon brush holder assembly On part detent mechanism, and judgement signal is provided, signal is transferred in PLC.
Attached Figure 4 and 5 are the structural representation that carbon brush heads into mechanism 3, and carbon brush, which heads into mechanism 3, to be included guide pad 31, head into gas Cylinder 32, positioning seat 33 and push rod 34, wherein guide pad 31 are fixed with the upper surface of double-layer scaffold 7, are headed into cylinder 32 and are fixed on and determine On the seat 33 of position, piston end and the horizontal connection of push rod 34 of cylinder 32 are headed into, the middle part of push rod 34 is with being fixed on leading on positioning seat 33 Coordinate to block 31, the end of push rod 34 aligns with the spring outwards end on carbon brush for motor frame.It is mainly dynamic by heading into cylinder 32 Realize that push rod 34 ejects, and respectively by two carbon brush by detection ordering push-in spring force press-in state, be easy to postorder to carry out Spring force detects, and push rod 34 is retracted into original position after the completion of detection.
Accompanying drawing 6 is the structural representation of turn device 5, and turn device 5 includes cylinder 52 of setting a table, the output for cylinder 52 of setting a table Axle is provided with gear, and gear is connected by cog belt 51 with the gear of the lower section of workpiece positioning seat 2, and driving workpiece positioning seat 2 is reciprocal Rotate, its rotational angle is identical with the two groups of spring angles arranged on carbon brush for motor frame, and cylinder 52 of setting a table passes through cylinder locating piece 53 are fixed on the lower floor of double-layer scaffold 7.Turn device 5 is primarily directed to containing two groups of carbon brush and spring knot in carbon brush for motor frame Structure, it is contemplated that save space and improve detection efficiency, use single-station detent mechanism, two brush holder spring detecting position sequentially rotations Spring force measure is carried out behind position again, wherein rotation angle meets product structure layout and Angular Dimension, usually 90 ° of swings Angle, realize brush holder spring A, brush holder spring B detecting position auto-conversion function.
Accompanying drawing 7 and 8 is the structural representation of force measuring machine 6 and mechanism for testing Servocontrol device 4, wherein force measuring machine 6 Including force cell 62, the dynamometry end of force cell 62 is fixed with measuring staff 63, and the end of measuring staff 63 is L-shaped, the measuring staff of L-shaped 63 ends contact with being close to carbon brush holder centre space carbon brush, and the fixing end of force cell 62 passes through sensor locating seat 61 It is fixed on mechanism for testing Servocontrol device 4.Force measuring machine 6 transmits carbon brush by measuring staff 63 and transmitted by the pressure of spring To force cell 62, and perceived by force cell 62 and gather spring force Value Data, transmission PLC control system carries out technology Analyzing and processing, and then form dynamic force value curve.
Mechanism for testing Servocontrol device 4 in accompanying drawing 8 include sensor locating piece 41, distance position sensor group 42, Stroke lead screw mechanism 43 and stroke servomotor 44, the driving trip screw mechanism 43 of stroke servomotor 44 is along carbon brush for motor Feed motion is made in telescopic spring direction on frame, force measuring machine 6 is provided with the end of stroke screw mechanism 43, in stroke screw mechanism 43 Both sides are provided with sensor locating piece 41, and more than two distance position sensor groups 42 are distributed with sensor locating piece 41, pass Sensor locating piece 41 is along stroke lead screw mechanism 43 direction of motion arrangement, distance position sensor group 42 and sensor locating piece 41 It is slidably matched between the chute of upper surface, tooth form sensing chip 45, distance position sensor group is fixed with stroke screw mechanism 43 The position of 42 collection tooth form sensing chips 45, the test force value for coordinating force measuring machine 6 to gather, forms force value curve.Mechanism for testing is watched Control device 4 is taken by controlling stroke servomotor 44 to drive stroke lead screw mechanism 43 to be moved in the range of carbon brush displacement stroke It is dynamic, force cell 67 and measuring staff 63 are driven in movement, position setting is carried out by adjusting each distance position sensor, to feel Tooth form sensing chip 45 is answered, so that it is determined that the stroke range of mechanism for testing and the position by design requirement, ensure relevant position and its The corresponding association of force value is tested, and then forms force value curve.The tooth form sensing chip 45 of use can sense to multiple positions, and And it is easily installed.
In said mechanism, there is provided multiple sensors, sensor is attached with PLC, to the data of collection Handled, analytic statistics ultimately forms spring curve.
Using said apparatus, the brush holder spring A on the carbon brush for motor frame in accompanying drawing 9, brush holder spring B are detected, its Detecting step block diagram as shown in Figure 10, comprises the following steps that:
(1)Carbon brush for motor frame is put on workpiece positioning seat 3 first, wherein terminal 10 upward, makes carbon brush for motor frame keep correct Posture, then position knowledge is carried out by the terminal 10 exposed to carbon brush for motor frame in level sensor 12 in workpiece identification mechanism 1 in place Not, confirm that carbon brush for motor frame can carry out brush holder spring elastic force detection after placing correctly;
(2)Then the push rod 34 that mechanism 3 is headed into from carbon brush positions a carbon brush of carbon brush for motor frame along carbon brush grooving to workpiece 1 center of seat pushes to spring force maximum point, and the carbon brush is pressed to carbon brush holder axle by corresponding brush holder spring under elastic force effect The heart, now the measuring staff 63 on the force measuring machine 6 in carbon brush holder centre space just touch carbon brush close to axis part End face;
(3)After measuring staff 63 contacts with carbon brush, force measuring machine 6 is sent into along carbon brush by mechanism for testing Servocontrol device 4 anti- Carbon brush is released in direction, and brush holder spring force side keeps contacting with carbon brush outer face, measuring staff 63 and force cell 63 and carbon brush With spring all the time under elastic force effect, spring is by stress deformation during whole push;
(4)It can be seen from Newton's third law, the elastic force of spring will be also delivered on force cell by carbon brush and measuring staff 63, The distance position sensor group 42 of multiple measuring staff shift positions sensor is set on mechanism for testing Servocontrol device 4, above-mentioned In spring force detection process, reading is acquired to multiple measuring point force value, realize collection to different measuring points force value read and Analysis record, so as to form force value effect, then data acquisition is carried out by PLC and analytic statistics ultimately forms spring curve.
In above-mentioned spring force detection process, force cell, measuring staff, carbon brush and spring are all the time in contact and strong Transmission, so by force cell measure force value set can form dynamic force value curve, required according to product design, need Multiple ad-hoc locations are chosen in the process carry out force value measure, so the multiple measuring staffs of design and installation as needed in the present apparatus Shift position sensor, realize that the collection to different measuring points force value is read and analysis records.

Claims (8)

1. a kind of spring force detection means, it is characterised in that including double-layer scaffold(7), in double-layer scaffold(7)Upper strata sets work Part identification mechanism in place(1), workpiece positioning seat(2)Mechanism is headed into carbon brush(3), wherein workpiece positioning seat(2)To carbon brush for motor Frame is fixed on the positioning, identification mechanism in place(1)Mechanism is headed into carbon brush(3)It is arranged at workpiece positioning seat(2)Around, and point to Carbon brush for motor frame;Double-layer scaffold(7)Lower floor sets mechanism for testing Servocontrol device(4), turn device(5)And force measuring machine (6), force measuring machine(6)It is arranged at workpiece positioning seat(2)Underface, force measuring machine(6)Pass through mechanism for testing Servocontrol device (4)Drive simultaneously shift position, turn device(5)With workpiece positioning seat(2)Connection, and drive workpiece positioning seat(2)Rotate.
A kind of 2. spring force detection means according to claim 1, it is characterised in that:The workpiece identification mechanism in place (1)Including being fixed on double-layer scaffold(7)The sensor stand on upper strata(11)With in level sensor(12), in level sensor(12)Outside Enclose and be provided with sensor protective shield(13), wherein in level sensor(12)Emitting head and carbon brush for motor frame on exposed terminal(10)Top End aligns, and is scanned and identifies the terminal(10)Position.
A kind of 3. spring force detection means according to claim 1, it is characterised in that:The carbon brush heads into mechanism(3) Including guide pad(31), head into cylinder(32), positioning seat(33)And push rod(34), wherein guide pad(31)With double-layer scaffold(7) Upper surface is fixed, and heads into cylinder(32)It is fixed on positioning seat(33)On, head into cylinder(32)Piston end and push rod(34)Water Flushconnection, push rod(34)Middle part is with being fixed on positioning seat(33)On guide pad(31)Coordinate, push rod(34)End and motor carbon Spring outwards end on brush holder aligns.
A kind of 4. spring force detection means according to claim 1, it is characterised in that:The mechanism for testing SERVO CONTROL Device(4)Including sensor locating piece(41), distance position sensor group(42), stroke lead screw mechanism(43)With stroke servo electricity Machine(44), the stroke servomotor(44)Driving trip screw mechanism(43)Along along carbon brush for motor frame telescopic spring direction make into To motion, in stroke screw mechanism(43)End is provided with force measuring machine(6), in stroke screw mechanism(43)Both sides are provided with sensor Locating piece(41), sensor locating piece(41)On more than two distance position sensor groups are distributed with(42), in stroke lead screw Mechanism(43)On be fixed with tooth form sensing chip(45), distance position sensor group(42)Gather tooth form sensing chip(45)Position, Coordinate force measuring machine(6)The test force value of collection, form force value curve.
A kind of 5. spring force detection means according to claim 4, it is characterised in that:The sensor locating piece(41) Along stroke lead screw mechanism(43)Direction of motion arrangement, distance position sensor group(42)With sensor locating piece(41)Upper surface It is slidably matched between chute.
A kind of 6. spring force detection means according to claim 1, it is characterised in that:The turn device(5)Including Set a table cylinder(52), cylinder of setting a table(52)Output shaft be provided with gear, gear passes through cog belt(51)With workpiece positioning seat(2) The gear connection of lower section, drives workpiece positioning seat(2)Reciprocating rotation, its rotational angle and the two groups of bullets arranged on carbon brush for motor frame Spring angle is identical, cylinder of setting a table(52)Pass through cylinder locating piece(53)It is fixed on double-layer scaffold(7)Lower floor.
A kind of 7. spring force detection means according to claim 1, it is characterised in that:The force measuring machine(6)Including Force cell(62), force cell(62)Dynamometry end be fixed with measuring staff(63), measuring staff(63)End be L-shaped, dynamometry Sensor(62)Fixing end pass through sensor locating seat(61)It is fixed on mechanism for testing Servocontrol device(4)On.
8. a kind of spring force with claim 1 described device detects detection method, it is characterised in that:Detecting step is as follows:
(1)Carbon brush for motor frame is put into workpiece positioning seat first(3)On, wherein terminal(10)Upward, keep carbon brush for motor frame Correct posture, then by workpiece identification mechanism in place(1)In in level sensor(12)The terminal exposed to carbon brush for motor frame(10) Position identification is carried out, confirms that carbon brush for motor frame can carry out brush holder spring elastic force detection after placing correctly;
(2)Then mechanism is headed into by carbon brush(3)Push rod(34)By a carbon brush of carbon brush for motor frame along carbon brush grooving to workpiece Positioning seat(1)Center pushes to spring force maximum point, and the carbon brush is pressed to carbon by corresponding brush holder spring under elastic force effect Brush holder axle center, now in the force measuring machine in carbon brush holder centre space(6)On measuring staff(63)It is close just to touch carbon brush The end face of axis part;
(3)In measuring staff(63)After being contacted with carbon brush, pass through mechanism for testing Servocontrol device(4)To force measuring machine(6)Along carbon brush It is sent into opposite direction to release carbon brush, brush holder spring force side keeps contacting with carbon brush outer face, measuring staff(63)And force cell (62)With carbon brush and spring all the time under elastic force effect, spring is by stress deformation during whole push;
(4)It can be seen from Newton's third law, the elastic force of spring will also pass through carbon brush and measuring staff(63)It is delivered to force cell (62)On, mechanism for testing Servocontrol device(4)The distance position sensor group of upper setting multiple measuring staff shift positions sensor (42), in above-mentioned spring force detection process, reading is acquired to multiple measuring point force value, realized to different measuring points force value Collection is read and analysis record, so as to form force value effect, then carries out data acquisition by PLC and analytic statistics ultimately forms bullet Force curve.
CN201711163586.3A 2017-11-21 2017-11-21 A kind of spring force detection means and its detection method Pending CN107727293A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108552118A (en) * 2018-03-26 2018-09-21 商丘豫商智能机器人科技有限公司 A kind of scorpion carries malicious machine
CN111157260A (en) * 2020-02-20 2020-05-15 青岛军平减震科技有限公司 Shock absorber spring quality detection equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108552118A (en) * 2018-03-26 2018-09-21 商丘豫商智能机器人科技有限公司 A kind of scorpion carries malicious machine
CN108552118B (en) * 2018-03-26 2021-09-14 商丘豫商智能机器人科技有限公司 Scorpion venom extracting machine
CN111157260A (en) * 2020-02-20 2020-05-15 青岛军平减震科技有限公司 Shock absorber spring quality detection equipment
CN111157260B (en) * 2020-02-20 2020-09-08 浙江戈尔德智能悬架股份有限公司 Shock absorber spring quality detection equipment

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