CN201945507U - Micro-welding micro-tensile meter - Google Patents
Micro-welding micro-tensile meter Download PDFInfo
- Publication number
- CN201945507U CN201945507U CN2010206752589U CN201020675258U CN201945507U CN 201945507 U CN201945507 U CN 201945507U CN 2010206752589 U CN2010206752589 U CN 2010206752589U CN 201020675258 U CN201020675258 U CN 201020675258U CN 201945507 U CN201945507 U CN 201945507U
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- micro
- tension measurement
- measurement instrument
- little tension
- pulling force
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Resistance Welding (AREA)
Abstract
A micro-welding micro-tensile meter comprises a seat, a support column positioned on the seat, a frame installed on the top of the support column, a work holder capable of moving up and down relative to the frame and a work table mounted on the seat and corresponding to the work holder. A tension transmission structure including a pull rod is arranged inside the frame. The pull rod extends out of the bottom of the frame and is fixed with the work holder. A tension sensor is installed inside the work holder and electrically connected to a tension display device. By combining the new photoelectric technology of the tension sensor and the mechanical technology, the novel optical-mechanical-electrical integrative meter is created. Due to the adoption of the tension sensor installed on the work holder, the micro-welding micro-tensile meter avoids friction and all resistance caused during the up-and-down movements of the work holder, increases tension measuring accuracy and realizes tension measurement for tiny workpieces.
Description
[technical field]
The utility model relates to a kind of tension measuring device of little range, relates in particular to a kind of little tension measurement instrument of in micro-welding the tensile strength of the welded contact of fine workpiece being measured.
[technical background]
In electric resistance welding micro welding technique field, usually need the firm welding degree of fine workpiece is detected.This detection is normally by measuring realization to the stretching resistance of pad.It will be measuring unit with the gram that industry requires the welding stretching resistance precision to fine workpiece, and range generally reaches about several hectograms and gets final product.Yet never have for a long time, the tension measurement instrument of little measurement range like this in the electric resistance welding micro welding technique field.
On the contrary, often at tens of kilograms even more than hundreds of kilogram, this existing tension measurement instrument generally is measuring unit with the kilogram to the measurement range of existing tension measurement instrument.Therefore its structure can't realize the tensile strength of the micro-weld pads of small pulling force is measured.
In the prior art, electronic scales or spring balance are also arranged.But do not satisfy micro-welding butt welding connects the accurate tension measurement requirement of solder joint to the structure of this electronic scales or spring balance equally.
[utility model content]
The purpose of this utility model is to provide the higher micro-welding of a kind of measuring accuracy little tension measurement instrument.
For realizing this purpose, the utility model adopts following technical scheme:
The little tension measurement instrument of a kind of micro-welding comprises base, is installed in support column on the base, is installed in the framework at support column top, the Workpiece clamping head that can move up and down with respect to framework.The pulling force conducting structure that comprises pull bar is installed in the described framework; Described pull bar stretches out from the bottom of described framework and fixes with described Workpiece clamping head; Described Workpiece clamping head inside is equipped with pulling force sensor, and described pulling force sensor and pulling force display device electrically connect.
Compared with prior art, the utility model has the technical progress of following four aspects at least, and the one, the utility model combines the photoelectric technology of pulling force sensor and mechanical technique, has created little tension measurement instrument of a kind of new ray machine electricity combination; The 2nd, the utility model is installed in pulling force sensor on the Workpiece clamping head, thereby friction force and various resistance when having avoided driving Workpiece clamping head and moving up and down have improved the tension measurement precision, have realized the high-precision requirement to small workpiece tension measurement; The 3rd, because flexible adjustable adjusting screw(rod) has been installed, can effectively shorten pull bar, screw mandrel and lengths of frame on Workpiece clamping head, reduced the operating distance and the whole measuring instrument height of pulling force, reduced manufacturing cost, simultaneously easy to carry and store; The 4th, but the small workpiece platform of horizontal and vertical movement is installed on base, not only succinctly small and exquisite, easy to use, cheap, also can satisfy journey measurement in a small amount fully to the request for utilization of fixation workpiece.
[description of drawings]
Fig. 1 is the structural drawing of the little tension measurement instrument of the micro-welding of the utility model;
Fig. 2 has showed the detailed structure of the work stage of the little tension measurement instrument of micro-welding among Fig. 1;
Fig. 3 has showed the view that the work stage among Fig. 2 is observed from another angle.
[embodiment]
The purpose of this utility model mainly is: in the micro-welding of electric resistance welding, provide a kind of accurate measurement mechanism to the tensile strength measurement of the welded contact of fine workpiece, it measures range generally below 2 kilograms, and measuring accuracy reaches ± 1g.The utility model is also measured applicable to the tensile strength to various fine pieces simultaneously, measures such as the cohesive force to viscose glue small size adhesive surface, and the tensile strength of various lamettas, little metal tape or fine enamelled wire is measured.So the utility model also can abbreviate little tension measurement instrument as.
Below in conjunction with drawings and Examples the utility model is further described.
With reference to figure 1-3, according to an embodiment of the present utility model, the little tension measurement instrument 100 of a kind of micro-welding comprises base 10, be installed in support column 20 on the base 10, be installed in framework 30, the Workpiece clamping head 40 that can move up and down with respect to framework 30 at support column 20 tops and be installed on the base 10 and the work stage 50 corresponding with described Workpiece clamping head 40.
The central authorities of described framework 30 offer installs window 32, the contiguous block 38 that is vertically arranged with leading screw 34, and pull bar 36 that can described window 32 in lengthwise movement parallel with described leading screw 34 in the described window 32 and described leading screw 34 and pull bar 36 are coupled together; The top of described framework 30 is provided with the handwheel of fixing with described leading screw 34 31; The sidepiece of described framework 30 is provided with the pulling force display device of being made up of display screen 332 and a plurality of adjusting button 334 33.
Described pull bar 36, leading screw 34, handwheel 31 and contiguous block 38 have constituted the pulling force conduction mechanism jointly, and this mechanism mainly act as the little tension measurement instrument of the utility model pulling force and pulling force stroke are provided.It should be noted that: pulling force conduction mechanism of the present utility model is not restricted to above-mentioned concrete structure, but also can be other structures.Such as, the pulling force conduction mechanism can be manual, pneumatic or electronic pulling force conduction mechanism.
Should be noted that simultaneously above-mentioned pulling force display device 33 also is not limited to be installed in the sidepiece of framework 30, also can be installed in, also can be installed on the base such as frame roof.
Stretch out from the bottom of described framework 30 bottom of described pull bar 36, fixes with described Workpiece clamping head 40 then.Described Workpiece clamping head 40 inside are equipped with the pulling force sensor 42 (shown in the dotted line among Fig. 1) that is electrically connected with above-mentioned adjusting display device 33.
One end of described contiguous block 38 is connected with described leading screw 34 by engage thread, and the other end is then fastened to each other with described pull bar 36.
Described pulling force display device 33 further comprises circuit, and it is electrically connected to the pulling force sensor 42 on the Workpiece clamping head 40, pulling force sensor 42 detected electric signals is amplified and processing, and show on display screen 332.
When needs were measured the tensile strength of small workpiece, at first the end with measured workpiece was fixed on the work stage 50, and the other end then is clamped on the described Workpiece clamping head 40; Turn handwheel 31 is to provide pulling force then; Along with the rotation of handwheel 31, leading screw 34 will rotate synchronously, so just cause contiguous block 38 vertically to move upward, and then impel the pull bar 36 that is fixed together with contiguous block 38 also to move upward; The Workpiece clamping head 40 that is connected with pull bar 36 also moves up, thereby causes the deformation chamber deformation of pulling force sensor 42 to produce electric potential difference, and pulling force sensor and circuit thereof carry out processing and amplifying to relevant electric signal, makes it to become the numeral of power and show.The operator just can see measurement result intuitively by the display screen on the pulling force display device 33 332 like this.In addition, the operator can change measurement requirement or measuring unit by adjusted button 334, and such as showing measurement result with units such as kilogram, grams, units such as also available pound, ounce show measurement result, or show with newton's unit of force.
Described pulling force display device 33 further comprises the button of record maximum pull instantaneous value simultaneously, and zero button or switch key etc. are arranged back.
Preferably, described pull bar 36 is installed in the window 32 of described framework 30 by sliding bearing 35, thus the frictional resistance that produces when having reduced greatly that pull bar 36 moves up and down, and then improved the accuracy of tension measurement.
Further preferably, the stroke of pulling force and pull bar when measuring in order to shorten can be at the vertical adjustable adjusting screw(rod) 44 flexible for installation of Workpiece clamping head 40 previous sections.Described adjusting screw(rod) 44 tops are equipped with setting nut 48, and be useful on the hook 46 of holding workpiece in the bottom of described adjusting screw(rod) 44, because a kind of often slender piece of the micro-welding welded piece of electric resistance welding, as fine enamelled wire, metal wire, metal tape etc., when measuring pulling force, the welding end of slender piece is fixed on the work stage 50, the free-end of slender piece is fixed on the hook 46, by moving up and down the height of adjusting screw(rod) 44, the distance of slender piece and Workpiece clamping head is foreshortened to hour, after nut lock, just rotate handwheel pulling force is acted on pull bar and pulling force conducting structure.The length of leading screw 34 and pull bar 36 has been shortened in this design widely, correspondingly, has reduced the length of framework 30 widely, has reduced the height of whole measuring instrument 100, thereby has reduced its manufacturing cost, and is simultaneously easy to carry and store.
In the utility model, pulling force sensor 42 is installed in the described Workpiece clamping head 40.This structure has tangible progress for the structure of measuring small pulling force.
Such as, in the prior art, because the deformation frame and the deformational stress sensor chip of pulling force sensor all need to obtain good protection, pulling force sensor also needs special-purpose servicing units such as amplifying circuit, display circuit and various function keys simultaneously.So pulling force sensor needs and above-mentioned amplifying circuit, display circuit are installed in the same protection structure traditionally, such as pulling force sensor is installed on the web member of framework pulling force conducting structure.Though structure is very compact like this, because the interference of friction force and other resistance can't avoid doing the pulling force motion time, so such structure can not satisfy the high-precision requirement of the little tension measurement instrument of micro-welding to pulling force.
Comparatively speaking, in the utility model, pulling force sensor 42 is separated with its servicing unit, pulling force sensor 42 and Workpiece clamping head 40 are made of one, Workpiece clamping head 40 is installed in the bottom of pull bar 36, and electrically connects with adjusting display device 33 on the framework 30.Because pulling force sensor 42 and Workpiece clamping head 40 are made of one, therefore the interference that friction force and other resistance cause when having avoided doing the pulling force motion has realized the high-acruracy survey requirement of 100 pairs of pulling force of the little tension measurement instrument of micro-welding.
Job requirement according to the tension measurement instrument, in the time will carrying out tension measurement to workpiece, must be fixed in workpiece on the work stage and make workpiece overlap with the pulling force action direction just, so the micro-welding tension measurement of the utility model instrument also needs to be equipped with a small workpiece platform with line between the Workpiece clamping head 40.When the little tension measurement instrument of micro-welding is done tension measurement, usually require that workpiece is clamped in Workpiece clamping head 40 belows with vertical angle and carry out tension measurement, because Workpiece clamping head only moves up and down, therefore after work stage fixes workpiece, also need regulate at horizontal and vertical both direction, being implemented in horizontal and vertical both direction regulates, traditional structure need be at the horizontal and vertical absolute construction that screw mandrel and handwheel are installed of making, and vertically, laterally and and base between the plane device of sliding platform all will be arranged, therefore, this traditional structure is complicated heavy, cost an arm and a leg.
For this reason, the utility model provides a kind of and can realize above-mentioned functions and structure small workpiece platform 50 simple and direct, with low cost.With reference to figure 2-3, work stage 50 comprises base plate 52, the side plate 54 that vertically extends to form from an end of base plate 52 and the top board 56 that extends from the top of side plate 54.Offer horizontal and vertical chute 522 on the described base plate 52, pass chute 522 by screw 524 described work stage 50 is fixed on the described base 10.When needs are regulated, unclamp screw 524, the small workpiece platform can be by the angle position of the mobile adjusting on chute with respect to Workpiece clamping head 40.It should be noted that: described chute 522 also can be the camber line chute.
On the described top board 56 fixture block 562 is installed, fixture block 562 makes that by screw rod 564 and the nut 568 that is installed on the top board degree of tightness is adjustable between fixture block and the top board, realizes workpiece for measurement is stepped up between described top board 56 and fixture block 562.
Similarly, can fixture block 542 be installed on described side plate 54, be used for workpiece for measurement is clamped between described side plate 54 and the fixture block 542.
The utility model provides a kind of accurate micro-welding little tension measurement instrument, and it measures range generally below 2 kilograms, and measuring accuracy reaches ± 1g.The utility model is also measured applicable to the tensile strength to various fine pieces simultaneously, measures such as the cohesive force to viscose glue small size adhesive surface, and the tensile strength of various lamettas, little metal tape or fine enamelled wire is measured.
Claims (7)
1. little tension measurement instrument of micro-welding comprises base, is installed in support column on the base, is installed in the framework at support column top, the Workpiece clamping head that can move up and down with respect to framework, it is characterized in that:
The pulling force conducting structure that comprises pull bar is installed in the described framework;
Described pull bar stretches out from the bottom of described framework and fixes with described Workpiece clamping head;
Described Workpiece clamping head inside is equipped with pulling force sensor, and described pulling force sensor and pulling force display device electrically connect.
2. the little tension measurement instrument of micro-welding according to claim 1 is characterized in that: described pulling force display device is installed in described frame side.
3. the little tension measurement instrument of micro-welding according to claim 1 is characterized in that: on the described Workpiece clamping head adjusting screw(rod) is installed, on the described adjusting screw(rod) nut is installed.
4. the little tension measurement instrument of micro-welding according to claim 1, it is characterized in that: little tension measurement instrument work stage is installed on the base of little tension measurement instrument, and described little tension measurement instrument work stage comprises base plate, the side plate that vertically extends to form from an end of base plate and the top board that extends from the top of side plate; Offer chute on the described base plate, pass described chute by screw described work stage is fixed on described little tension measurement instrument base.
5. the little tension measurement instrument of micro-welding according to claim 4 is characterized in that: the chute on described little tension measurement instrument base is the chute of horizontal and vertical extension; Perhaps described chute is an arc chute.
6. the little tension measurement instrument of micro-welding according to claim 4, it is characterized in that: described work stage top board is provided with the top board fixture block of installing with screw rod, described top board fixture block by be installed in described screw rod on nut cooperate jointly, realize fixing between top board fixture block and top board and can degree of tightness adjustable.
7. the little tension measurement instrument of micro-welding according to claim 4, it is characterized in that: the fixture block that useful screw rod is installed on the top board of described little tension measurement instrument work stage and the side plate, described fixture block cooperates jointly by the nut on the described screw rod, realizes that fixture block energy degree of tightness is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206752589U CN201945507U (en) | 2010-12-22 | 2010-12-22 | Micro-welding micro-tensile meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206752589U CN201945507U (en) | 2010-12-22 | 2010-12-22 | Micro-welding micro-tensile meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201945507U true CN201945507U (en) | 2011-08-24 |
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ID=44472845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206752589U Expired - Fee Related CN201945507U (en) | 2010-12-22 | 2010-12-22 | Micro-welding micro-tensile meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201945507U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128746A (en) * | 2010-12-22 | 2011-07-20 | 广州微点焊设备有限公司 | Microscopic welding micro-tensile measuring instrument |
| CN103454156A (en) * | 2012-05-28 | 2013-12-18 | 富泰华工业（深圳）有限公司 | Drawing force testing mechanism and drawing force testing method |
| CN111515507A (en) * | 2020-03-27 | 2020-08-11 | 广州微点焊设备有限公司 | Micro resistance welding spot welding equipment |
-
2010
- 2010-12-22 CN CN2010206752589U patent/CN201945507U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128746A (en) * | 2010-12-22 | 2011-07-20 | 广州微点焊设备有限公司 | Microscopic welding micro-tensile measuring instrument |
| CN102128746B (en) * | 2010-12-22 | 2014-07-23 | 广州微点焊设备有限公司 | Microscopic welding micro-tensile measuring instrument |
| CN103454156A (en) * | 2012-05-28 | 2013-12-18 | 富泰华工业（深圳）有限公司 | Drawing force testing mechanism and drawing force testing method |
| CN103454156B (en) * | 2012-05-28 | 2018-01-26 | 富泰华工业（深圳）有限公司 | Pulling capacity mechanism for testing and drawing force test method |
| CN111515507A (en) * | 2020-03-27 | 2020-08-11 | 广州微点焊设备有限公司 | Micro resistance welding spot welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20121222 |