CN105738202B - A kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine - Google Patents

A kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine Download PDF

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Publication number
CN105738202B
CN105738202B CN201610093603.XA CN201610093603A CN105738202B CN 105738202 B CN105738202 B CN 105738202B CN 201610093603 A CN201610093603 A CN 201610093603A CN 105738202 B CN105738202 B CN 105738202B
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guide plate
wedge
pressure
spot welding
solder joint
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CN105738202A (en
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赵志火
胡建平
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Zhejiang brilliant Sanlian Industrial Co.,Ltd.
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JINHUA TRILINK HUIHUANG CO Ltd
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Priority to CN201610093603.XA priority Critical patent/CN105738202B/en
Priority claimed from CN201410364451.3A external-priority patent/CN104111196B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0003Steady
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine, first, the clamping spot welding guide plate on guide plate fixture, solder joint to be measured on spot welding guide plate is made to be located at immediately below wedge-shaped briquetting, face guide plate key way, while displacement transducer is arranged on spot welding guide plate;Secondly, servomotor drives wedge-shaped briquetting is descending wedge shaped pressure head is pressed into guide plate key way, and when the pressure that pressure sensor senses reaches setting value, servomotor stops operating;Then, servomotor drives wedge-shaped briquetting up, exits guide plate key way, simultaneous displacement sensor automatic measurement goes out the permanent set value of guide plate key way;Finally, permanent set value is judged whether Joint Strength is qualified compared with standard value.The present invention can quickly judge the intensity of guide plate solder joint, the guide plate quality for facilitating tracing and monitoring to produce in batches.

Description

A kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine
The present patent application is invention and created name " the intensity detection side of spot welding guide plate wedge penetration test machine and guide plate solder joint The divisional application of method ", the July 29 2014 applying date of original application, Application No. 2014103644513.
Technical field
The invention belongs to chain saw guide plate detection technique field, and in particular to guide plate solder joint be carried out using pressure testing machine strong Spend the method for detection.
Background technology
The very widely used today stacked guide plate of chain saw generally use, such as Publication No. 102837335A Chinese invention patents A kind of stacked guide plate disclosed in application, is made up of, biside plate is by high-quality two blocks of side plates and the core plate being connected among biside plate The high rigidity of medium carbon alloy steel plate Blanking Shaping, then progress bulk heat treatmet to more than 40HRC, then the punching press on the outside of side plate, Inner side is formed two row circle salient points, finally biside plate and core plate are superimposed together to be put between two battery lead plates of projection welder and pressurizeed It is powered, current convergence forms two row bilayer nuggets at biside plate and core plate interface salient point quickly on two row salient points during welding, And pressing is compacted, disposably weld integral.
This stacked guide plate is after the completion of welding, it is necessary to be detected to the intensity of guide plate solder joint, traditional detection side Method, it is that solder joint is removed in wire cutting (two layers of outside plate right-angled intersection cutting) from guide plate, carries out quiet broken pull test, generally require 2- It could complete within 3 hours to examine, and complex operation, it is impossible to the quick intensity for judging guide plate solder joint, it is not suitable for tracing and monitoring batch Measure the guide plate quality of production.
The content of the invention
The technical problems to be solved by the invention are just to provide one kind and carry out intensity to guide plate solder joint using pressure testing machine The method of detection, solve guide plate Joint Strength detection complex operation, time length, be not suitable for tracing and monitoring batch production guide plate product The technical problem of matter.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:One kind is welded using pressure testing machine to guide plate The method that point carries out intensity detection, spot welding guide plate wedge penetration test machine include frame, and the middle part of the frame is provided with platform, institute State platform and be provided with the guide plate fixture for being used for clamping spot welding guide plate, the surface of the guide plate fixture is provided with wedge-shaped briquetting, described Wedge-shaped briquetting is in riser guide mechanism, and servomotor drives wedge-shaped briquetting to be lifted along riser guide mechanism, the wedge pressure It is provided with above block and is used to detect the pressure sensor that wedge-shaped briquetting bears pressure, the spot welding guide plate is connected with for detecting guide plate The displacement transducer of key way residual deformation amount, in addition to the control system of pressure testing machine work is controlled, the servomotor, Pressure sensor and displacement transducer communicate to connect with control system;Spot welding guide plate Joint Strength detection method includes following step Suddenly:First, the clamping spot welding guide plate on guide plate fixture, solder joint to be measured on spot welding guide plate is made to be located at immediately below wedge-shaped briquetting, face Guide plate key way, while displacement transducer is arranged on spot welding guide plate;Secondly, servomotor drives wedge-shaped briquetting is descending to make wedge shape Pressure head is pressed into guide plate key way, and when the pressure that pressure sensor senses reaches setting value, servomotor stops operating;Then, Servomotor drives wedge-shaped briquetting up, exits guide plate key way, simultaneous displacement sensor automatic measurement goes out the remnants of guide plate key way Deformation values;Finally, permanent set value is judged whether Joint Strength is qualified compared with standard value.
Preferably, the riser guide mechanism includes guide rod and leading screw, and a movable block is slidably mounted on guide rod, the work By nut and leading screw with screw-nut body is combined into, the movable block is connected motion block by contiguous block with wedge-shaped briquetting.
Preferably, the thickness of the wedge-shaped briquetting is 7mm, and the angle of the wedge shaped pressure head of the wedge-shaped briquetting is 60 °.
Preferably, the guide plate fixture includes parallel arrangement of locating piece and gripping block, the locating piece and gripping block Between clamping form the clamping slot being put into for spot welding guide plate, the gripping block is provided with the clamping bar for stretching into clamping slot, the folder Tightly bar is clamped by spring top pressure with that will be put into the spot welding guide plate of clamping slot.
Preferably, institute's displacement sensors include being clamped in the data collecting probe below spot welding guide plate solder joint to be measured, institute State data collecting probe and two detection bars are arranged side by side upwards, two detection bars are located at spot welding guide plate both sides, the head end of detection bar Provided with detector, detector is pressed together on the outside of solder joint to be measured.
Preferably, after wedge shaped pressure head inserts guide plate key way, loading load forces F makes wedge shaped pressure head slowly push, guide plate key way It is squeezed outer, deformation produces extruding force to wedge shaped pressure head, and guide plate key way is persistently expanded, and pressure value gradually increases caused by deformation Greatly, when pressure value is loaded into the test pressure of setting, servomotor is stopped operating, and after being kept for 5 seconds, servomotor is driven reverse Wedge-shaped briquetting upstroke.
Preferably, the permanent set f after load(ing) point unloading is residual deflection, is detected by displacement transducer and records shape Variate f, finally feed back to control system and judge whether Joint Strength is qualified compared with standard value.
Further, pressure curve table is automatically generated over the display by control system while detecting and completing.
The present invention is in order to the intensity of the detection spot welding guide plate solder joint of quicklook, to adapt to the product of mass production field Inspection is needed, and devises a kind of pressure testing machine, and the pressure testing machine is led with one 60 ° of wedge-shaped briquetting with the press-in of defined pressure Plate key way, and the deflection after wedge-shaped briquetting exits guide plate key way is detected by displacement transducer, this Joint Strength is judged with this It is whether up to standard, there is the advantages of simple to operate, easy to use, therefore the present invention can quickly judge the intensity of guide plate solder joint, side Just the guide plate quality of tracing and monitoring batch production.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description:
Fig. 1 is the front view of spot welding guide plate wedge penetration test machine of the present invention;
Fig. 2 is the side view of spot welding guide plate wedge penetration test machine of the present invention;
Fig. 3 is the matching chart of displacement transducer and spot welding guide plate;
Fig. 4 is the schematic diagram that wedge shaped pressure head inserts guide plate key way.
Embodiment
Spot welding guide plate wedge penetration test machine is illustrated below in conjunction with Fig. 1 to Fig. 4 and uses the spot welding guide plate wedge pressure The method that force tester carries out the detection of spot welding guide plate Joint Strength.
As depicted in figs. 1 and 2, the spot welding guide plate wedge penetration test machine includes frame 1, and the middle part of the frame 1 is provided with Platform 12, the platform 12 are provided with the guide plate fixture 2 for clamping spot welding guide plate 5, and the surface of the guide plate fixture 2 is provided with Wedge-shaped briquetting 4, for the wedge-shaped briquetting 4 in riser guide mechanism 3, servomotor 36 drives wedge-shaped briquetting 4 along riser guide Mechanism 3 is lifted, and connection cylinder 13 is provided between servomotor 36 and platform 12, and the wedge-shaped top of briquetting 4, which is provided with, to be used to examine Survey the pressure sensor 41 that wedge-shaped briquetting bears pressure.
Wherein, riser guide mechanism 3 includes guide rod 31 and leading screw 32, and guide rod is provided with four altogether, and is arranged at one The corner of square, guide rod 31 and the upper end of leading screw 32 are installed on upper platen 11, and leading screw lower end passes through shaft coupling 35 and servo electricity The output shaft connection of machine 36.One movable block 33 is slidably mounted on guide rod, and the movable block 33 is by nut with leading screw with charge-coupled Into screw-nut body, the movable block 33 is connected by contiguous block 34 with wedge-shaped briquetting 4, and pressure sensor 41 is arranged on connection On block 34, the pressure sensor 41 for the pressure side of being applied to it that wedge-shaped briquetting 4 is born reaches the work for detecting the wedge-shaped pressure of briquetting 4 With.
The guide plate fixture 2 includes parallel arrangement of locating piece 21 and gripping block 22, the locating piece 21 and gripping block Clamping forms the clamping slot being put into for spot welding guide plate 5 between 22.Further, the gripping block is provided with the folder for stretching into clamping slot Tight bar, the clamping bar are additionally provided with spring in telescopic hole, folder will be put into by spring top pressure clamping bar in a telescopic hole The spot welding guide plate of tight groove clamps, while is also threaded with provided with adjusting screw in gripping block, and adjusting screw is after spring Side, the dilatability of spring is adjusted to adjust the clamping force of clamping bar by adjusting nut, and the position of clamping slot and width according to Spot welding guide plate and wedge-shaped briquetting are designed, and spot welding guide plate is clamped after being put into clamping slot by clamping bar, and make spot welding guide plate The wedge shaped pressure head of the face wedge shape briquetting 4 of guide plate key way 51.
As shown in figure 3, the spot welding guide plate 5 is connected with the displacement transducer for detecting the residual deformation amount of guide plate key way 51 6, institute's displacement sensors 6 include being clamped in the data collecting probe below 5 solder joint to be measured of spot welding guide plate, and the data acquisition is visited Two detection bars 61 are arranged side by side in head upwards, and two detection bars 61 are located at spot welding guide plate both sides, and the head end of detection bar is provided with detection First 62, detector is pressed together on the outside of solder joint to be measured.Because detector 62 is clamped on the outside of solder joint to be measured, therefore when wedge shaped pressure head is inserted When entering guide plate key way and loading load forces and push, guide plate key way is squeezed outer, while applies active force to detector 62, makes two Detection bar 61 is also flared out, and its angle opened is collected by data collecting probe and is converted into the deflection number of guide plate key way According to.
The spot welding guide plate wedge penetration test machine is provided with the control system for controlling pressure testing machine work, the servo electricity Machine, pressure sensor and displacement transducer and control system communicate to connect, so, pressure sensor and displacement transducer collection Data all pass to control system, and control system is handled these data, then the work of feedback control servomotor.
The thickness of the wedge-shaped briquetting is 7mm, and the angle of the wedge shaped pressure head of the wedge-shaped briquetting is 60 °, and experiment proves this Sample design is most beneficial for accurate detection spot welding guide plate Joint Strength.
Spot welding guide plate Joint Strength detection method specifically comprises the following steps:
(1) spot welding guide plate 5 is placed vertically and clamped on guide plate fixture 2, the position of adjustment spot welding guide plate 5, be located at solder joint to be measured Immediately below wedge-shaped briquetting 4, and the guide plate key way 51 on face spot welding guide plate 2, as shown in figure 3, the clamping of displacement transducer 6 is arranged on On spot welding guide plate 5, wherein data collecting probe is located at immediately below solder joint to be measured, and detector 62 is then pressed together on the outside of solder joint to be measured.
(2) the supporting test software installation of pressure testing machine on computers, computer is connected with pressure testing machine, starts electricity Brain and testing machine, the test software on operating computer, select suitable test pressure 1250N, to " power ", " displacement ", " deformation " 3 Individual data are first reset.
(3) to click on and start, servomotor 36 drives leading screw 32 to drive the downward movement of movable block 33 with certain initial velocity, The pressure sensor 41 of the wedge-shaped briquetting 4 fixed by contiguous block 34 with movable block 33 and its top is driven to move down simultaneously, Wedge shaped pressure head insertion guide plate key way 51 on wedge-shaped briquetting 4, loading load forces F is slowly pushed, and guide plate key way is squeezed outer, deformation Extruding force is produced to wedge shaped pressure head, pressure value is detected by the pressure sensor above wedge-shaped briquetting, and slow descending guide plate key way is held Continuous expansion, pressure value caused by deformation gradually increases, when pressure value is loaded into the test pressure 1250N of setting, servomotor 36 Stop operating, after being kept for 5 seconds, servomotor is driven reverse leading screw upstroke, and wedge-shaped briquetting, which rises, exits guide plate key way.Such as figure Shown in 4, the permanent set f=f1-f2 after load(ing) point unloading, as residual deflection, adopted by the data being clipped on spot welding guide plate 5 Collect the deformation values f of probes records, remaining Nao Du≤1.2mm, it is qualified to be considered as.
Pressure testing machine by pressure sensor, data collecting probe gather test data, test complete while by Software system automatically generates pressure curve table, clicks on " inquiry " inquiry or printing result of the test file.
(5) change next test point and by step (1) clamping spot welding guide plate again, " new experiment " is clicked in software, by above-mentioned Step can start new round test.

Claims (8)

1. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine, spot welding guide plate wedge penetration test machine bag Including rack (1), the middle part of the frame (1) are provided with platform (12), and the platform (12), which is provided with, is used for clamping spot welding guide plate (5) Guide plate fixture (2), the surface of the guide plate fixture (2) is provided with wedge-shaped briquetting (4), and the wedge-shaped briquetting (4) is located at lifting On guide rail mechanism (3), servomotor (36) drives wedge-shaped briquetting (4) to be lifted along riser guide mechanism (3), the wedge-shaped briquetting (4) top, which is provided with, is used to detect the pressure sensor (41) that wedge-shaped briquetting bears pressure, and the spot welding guide plate (5), which is connected with, to be used for The displacement transducer (6) of guide plate key way (51) the residual deformation amount of detection, in addition to control the control system of pressure testing machine work System, the servomotor, pressure sensor and displacement transducer and control system communicate to connect;Spot welding guide plate Joint Strength detects Method comprises the following steps:First, the clamping spot welding guide plate on guide plate fixture, solder joint to be measured on spot welding guide plate is made to be located at wedge pressure Immediately below block, face guide plate key way, while displacement transducer is arranged on spot welding guide plate;Secondly, servomotor driving wedge shape Wedge shaped pressure head press-in guide plate key way, when the pressure that pressure sensor senses reaches setting value, servomotor are exercised under briquetting Stop operating;Then, servomotor drives wedge-shaped briquetting up, exits guide plate key way, simultaneous displacement sensor automatic measurement goes out The permanent set value of guide plate key way;Finally, permanent set value is judged whether Joint Strength is qualified compared with standard value.
2. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 1, it is special Sign is:The riser guide mechanism (3) includes guide rod (31) and leading screw (32), and a movable block (33) is slidably mounted on guide rod On, for the movable block by nut and leading screw with screw-nut body is combined into, the movable block passes through contiguous block (34) and wedge Shape briquetting (4) connects.
3. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 2, it is special Sign is:The thickness of the wedge-shaped briquetting (4) is 7mm, and the wedge shaped pressure head angle of the wedge-shaped briquetting is 60 °.
4. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 1, it is special Sign is:The guide plate fixture (2) includes parallel arrangement of locating piece (21) and gripping block (22), the locating piece (21) and folder Clamping forms the clamping slot being put into for spot welding guide plate between tight block (22), and the gripping block is provided with the clamping for stretching into clamping slot Bar, the clamping bar by spring top pressure with will be put into clamping slot spot welding guide plate clamp.
5. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 4, it is special Sign is:Institute's displacement sensors (6) include being clamped in the data collecting probe below spot welding guide plate solder joint to be measured, the data Two detection bars (61) are arranged side by side in acquisition probe upwards, and two detection bars are located at spot welding guide plate both sides, and the head end of detection bar is set There is detector (62), detector is pressed together on the outside of solder joint to be measured.
6. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 1, it is special Sign is:After wedge shaped pressure head inserts guide plate key way, loading load forces F makes wedge shaped pressure head slowly push, and guide plate key way is squeezed outer , deformation produces extruding force to wedge shaped pressure head, and guide plate key way is persistently expanded, and pressure value gradually increases caused by deformation, works as pressure When value is loaded into the test pressure of setting, servomotor stops operating, and after being kept for 5 seconds, servomotor is driven reverse wedge-shaped briquetting Upstroke.
7. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 6, it is special Sign is:Permanent set f after load(ing) point unloading is residual deflection, is detected by displacement transducer and records deformation values f, most After feed back to control system and judge whether Joint Strength qualified compared with standard value.
8. a kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine according to claim 7, it is special Sign is:Pressure curve table is automatically generated over the display by control system while detecting and completing.
CN201610093603.XA 2014-07-29 2014-07-29 A kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine Active CN105738202B (en)

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CN201410364451.3A CN104111196B (en) 2014-07-29 2014-07-29 The strength detecting method of spot welding guide plate wedge penetration test machine and guide plate solder joint
CN201610093603.XA CN105738202B (en) 2014-07-29 2014-07-29 A kind of method for carrying out intensity detection to guide plate solder joint using pressure testing machine

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CN107728229B (en) * 2017-11-28 2024-03-22 惠易新能源科技(宁波)有限公司 Projection welding nut automatic detection equipment and control method
CN108760493A (en) * 2018-05-18 2018-11-06 丹阳市宝利锯业机械有限公司 A kind of sawtooth weld strength detector
CN109297831A (en) * 2018-11-30 2019-02-01 上海宇塚电子科技有限公司 A kind of weld nugget intensity detection mechanism
CN109916703B (en) * 2019-02-22 2021-11-30 重庆金康动力新能源有限公司 Welding spot detection device and welding spot detection method
CN111157342B (en) * 2020-02-26 2020-08-14 哈尔滨学院 Pressure controller
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CN115876786B (en) * 2023-03-03 2023-05-26 深圳明锐理想科技有限公司 Wedge-shaped welding spot detection method and motion control device

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Address after: 321016 No. 1078, Shenli Road, Jinhua City, Zhejiang Province

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