CN207570903U - The rivet head stationary fixture of riveted type contact elements riveting intensity detection - Google Patents
The rivet head stationary fixture of riveted type contact elements riveting intensity detection Download PDFInfo
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- CN207570903U CN207570903U CN201721634477.0U CN201721634477U CN207570903U CN 207570903 U CN207570903 U CN 207570903U CN 201721634477 U CN201721634477 U CN 201721634477U CN 207570903 U CN207570903 U CN 207570903U
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- rivet head
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- rivet
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Abstract
The utility model discloses the rivet head stationary fixture of riveted type contact elements riveting intensity detection, its technical solution includes the left fixture of the opposite crimping rivet ailhead in left and right and right fixture, rivet head arc fixed groove is offered on the left fixture and the clamping face of right fixture, 110 ° 130 ° of the angle of the rivet head arc fixed groove, 1.5 3mm of depth, and uniform intervals are provided with multiple double wedges on rivet head arc fixed groove inner wall, height of projection is 0.2 1mm.The utility model advantageous effect is：It is fixedly clamped securely, and the mechanical structure of rivet head will not be destroyed.
Description
Technical field
The utility model belongs to material property detection field, is specifically related to a kind of detection technique of riveting intensity, especially
It is the rivet head stationary fixture for being related to riveted type contact elements riveting intensity detection.
Background technology
As the requirement of electric appliance is continuously improved in every profession and trade, to the inspection criterion of parts performance each in electric appliance
Continuous perfect.Various relays, contactor, switchette, temperature controller etc. all employ riveted type and touch in low-voltage electrical apparatus
Head element.The structure of riveted type contact elements generally comprises contact body and the rivet being riveted on contact body, rivet
Include rivet head and rivet top foot, shown in structure as attached drawing 1.
Most of appliance manufacturers, which only require riveted type contact elements, is detected size, riveting gap, and riveting is strong
Degree is without proposing to be distinctly claimed, and only small part producer carries out torsion detection to riveting intensity.Its torque detection method is：Using
Riveted type contact elements rivet head is opened line-styled slot by saw blade, is then inserted into line-styled open slot with torque spanner
Rotation, measures torque value.Because electrical contact material is largely Kufil, intensity is relatively low, easily skids, and adopt in test
When opening line-styled slot with saw blade, width, depth can not be accurately positioned, so the numerical fluctuations measured are very big, it is always industry
In insurmountable technical barrier.
Utility model content
First purpose of utility model of the utility model is to provide a kind of securely test that is fixedly clamped and is not easy the riveting skidded
Connect the rivet head stationary fixture of formula contact elements riveting intensity detection.
To achieve the above object, technical solution is the left fixture for including the opposite crimping rivet ailhead in left and right and right folder
Rivet head arc fixed groove is offered on the clamping face of tool, the left fixture and right fixture, the rivet head arc
110 ° -130 °, depth 1.5-3mm of the angle of fixed groove, and uniform intervals are set on rivet head arc fixed groove inner wall
There are multiple double wedges, height of projection 0.2-1mm.
Further setting is 120 ° of the angle of the rivet head arc fixed groove.
Further setting is there are three the double wedges, and the shape of the double wedge is isosceles right triangle, double wedge it is convex
It is 0.3mm to play height.
The utility model advantageous effect is：By the rivet head stationary fixture of the utility model, left fixture and the right side are utilized
Fixture, which mutually clamps, is fixedly clamped the rivet head of riveted type contact elements in rivet head arc fixed groove, as a result,
Not only being fixedly clamped securely to rivet head, but also without needing to open up straight slot as traditional detection method, it will not be right
The mechanical structure of rivet head damages, and the clamping structure is set, and rivet head will not skid in test.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, the scope of the utility model is still fallen within according to the other attached drawings of these attached drawings acquisition.
Fig. 1 riveted type contact elements schematic diagrames；
Fig. 2 is the utility model patent utility model principle schematic；
Fig. 3 rivet head fixture fixed groove schematic diagrames；
Schematic diagram after Fig. 4 is fixed for rivet head；
The detection device general assembly drawing of Fig. 5 the utility model embodiments.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
The direction and position term that the utility model is previously mentioned, for example, " on ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " top ", " bottom ", " side " etc., be only refer to the attached drawing direction or position.Therefore, the direction and position used
It is to illustrate and understand the utility model rather than the limitation to scope of protection of the utility model to put term.
Stationary fixture as described in Fig. 3-4, the present embodiment rivet head stationary fixture 2 include the opposite crimping rivet in left and right
Rivet head arc is offered on the clamping face of the left fixture 2a and right fixture 2b of ailhead, the left fixture 2a and right fixture 2b
Shape fixed groove 21, the angle of the rivet head arc fixed groove 21 is preferably 110 ° -130 °, depth 1.5-3mm, preferably
1.5mm, and uniform intervals are preferably provided with there are three double wedge 22 on rivet head arc fixed groove inner wall, the shape of the double wedge
For isosceles right triangle, height of projection is preferably 0.3mm.Left fixture 2a and right fixture 2b described in the present embodiment are preferably adopted
It is made of the relatively large material of hardness, such as hardened steel, mould steel, in addition, the left fixture 2a and right fixture 2b can be set
On the devices such as clamp or cylinder, motor power is clamped for providing.
By the stationary fixture of the utility model, riveted type contact elements riveting intensity detection method is can be applied to, including
There are following steps：
（1）The rivet head of riveted type contact elements to be measured is placed in the riveting of the left and right fixture of rivet head stationary fixture
Between following closely ailhead arc fixed groove, crimping rivet ailhead；
（2）One length side with contact body is applied to the contact body of riveted type contact elements to be measured using thrust meter
To perpendicular thrust, stop after the rivet head of contact elements to be measured is relatively rotated with contact body, record lower thrust
Thrust numerical value F1 in meter, while the distance between thrust point of application for measuring rivet head central point and thrust meter L, according to public affairs
Formula M=F1*L calculates the torque M of riveted type contact elements to be measured；
（3）Unit plane is obtained according to the radius R of the rivet nail pin of riveted type contact elements to be measured, rivet nail pin lateral area S
Long-pending frictional force F=M/（R*S）, and riveting intensity is represented with the frictional force of this unit area.
Testing example 1
As shown in Figures 2 to 4, in the utility model embodiment, implementation steps are as follows：
（1）, be ready to need the riveted type contact elements tested, as shown in Figure 1, riveted type contact elements include contact
Matrix 11 and the rivet 12 being riveted on contact body, rivet 12 include rivet head 121 and rivet top foot 122；Its
Rivet specification is：R3×0.8（0.2）+ 1.5 × 1.4mm, material are：AgCdO12/Cu, copper piece thickness are：0.4mm, material are
QSn6.5-0.1；
（2）, rivet head arc that riveted type contact elements rivet head 121 is put into rivet head stationary fixture 2 consolidates
Determine in groove 21, shown in Figure 2 after riveted type contact elements 1 are clamped, the rivet head stationary fixture 2 is to rivet head
Clamping force see reference numeral F2, the length direction of the riveted type contact elements（That is the length direction of contact body 11）With fixation
2 length direction of fixture is parallel, locks the rivet head 121 of contact elements；
（3）, press thrust meter（Preferably digital display type thrust meter）Button is pushed, until the rivet head of test contact element
Stop after 121 rotations, record thrust count value F1.
Complete test.
By setting dial gauge on rivet head stationary fixture 2, the clamping journey of rivet head 121 is measured using dial gauge
Degree, measures the distance between ailhead central point and thrust meter pressure head L by the graduated scale in mounting seat, is pushed away with what is detected
Force value F1 is multiplied to obtain the torque M of riveted type contact elements with the distance that graduated scale measures.
Testing 10 numbers of packages evidence is：78N·mm；79 N·mm；80 N·mm；81 N·mm；78 N·mm；79N·mm；83
N·mm；81 N·mm；81 N·mm；79 N·mm.
The nail pin radius of rivet is 0.75mm, and the lateral area of nail pin is 2.47mm2, frictional force F=M/ of unit area
（RxS）It obtains：42.10 N/mm2, 42.65 N/mm2, 43.18 N/mm2, 43.72 N/mm2, 42.10 N/mm2, 42.65 N/
mm2, 44.80 N/mm2, 43.72 N/mm2, 43.72 N/mm2, 42.65 N/mm2。
Testing example 2
Implementation steps are as follows：
（1）, be ready to need the riveted type contact elements tested, rivet specification is：F3×0.8（0.2）+1.5×
1.4mm, material are：AgSnO2/ Cu, copper piece thickness are：0.5mm, material H62；
（2）, riveted type contact elements rivet head is put into the rivet head arc anchor of rivet head stationary fixture
In slot 21, contact elements length direction is parallel with stationary fixture length direction, locks the rivet head of contact elements；
（3）, press digital display type thrust meter push button, until test contact element rivet head rotation after stop, record
Thrust count value F1.
Complete test.
The clamping degree of ailhead is measured by the dial gauge on rivet fixing gripper, measures ailhead central point and thrust meter
The distance between pressure head is multiplied to obtain the torsion of riveted type contact elements with the thrust magnitude detected with the distance that graduated scale measures
Square.
Testing 10 numbers of packages evidence is：200N·mm；208 N·mm；210 N·mm；205 N·mm；203N·mm；201N·
mm；201N·mm；206N·mm；204 N·mm；209N·mm.
The nail pin radius of rivet is 0.75mm, and the lateral area of nail pin is 2.47mm2, frictional force F=M/ of unit area
（RxS）It obtains：107.96N/mm2, 112.28 N/mm2, 113.36 N/mm2, 110.66 N/mm2, 119.58 N/mm2, 108.5
N/mm2, 108.5 N/mm2, 111.2 N/mm2, 110.12 N/mm2, 112.82 N/mm2。
Detection device assembles embodiment
The embodiment of detection device as shown in Figure 5, the detection device include pedestal 31, are provided on the pedestal 31
Stationary fixture driving mechanism 32, the stationary fixture driving mechanism 32 utilize the thread connection between screw 321 and screw rodb base 322,
Screw 321 is slid, and the screw 321 is linked with left fixture 2a, and drives left fixture 2a and right fixture 2b phases
Mutually clamp or be located remotely from each other.In addition, the avris that stationary fixture driving mechanism 32 is corresponded on pedestal 31 is provided with graduated scale.In addition
The avris of stationary fixture driving mechanism 32 is provided with longitudinal rail frame 33 on pedestal 31, is set on the longitudinal rail frame 33
Thrust meter 34 is equipped with, in addition, being additionally provided with dial gauge 35.
Above disclosed is only the utility model preferred embodiment, cannot limit the utility model with this certainly
Interest field, therefore equivalent variations made according to the utility model claims still belong to the range that the utility model is covered.
Claims (3)
1. a kind of rivet head stationary fixture of riveted type contact elements riveting intensity detection, it is characterised in that：Include a left side
Rivet is offered on the clamping face of the left fixture and right fixture of right opposite crimping rivet ailhead, the left fixture and right fixture
Ailhead arc fixed groove, 110-130 ° of the angle of the rivet head arc fixed groove, depth 1.5-3mm, and rivet head
Uniform intervals are provided with multiple double wedges, height of projection 0.2-1mm on arc fixed groove inner wall.
2. a kind of rivet head stationary fixture of riveted type contact elements riveting intensity detection according to claim 1,
It is characterized in that：120 ° of the angle of the rivet head arc fixed groove.
3. a kind of rivet head stationary fixture of riveted type contact elements riveting intensity detection according to claim 1,
It is characterized in that：The double wedge there are three or three or more, the shape of the double wedge is isosceles right triangle, double wedge it is convex
It is 0.3mm to play height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634477.0U CN207570903U (en) | 2017-11-30 | 2017-11-30 | The rivet head stationary fixture of riveted type contact elements riveting intensity detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634477.0U CN207570903U (en) | 2017-11-30 | 2017-11-30 | The rivet head stationary fixture of riveted type contact elements riveting intensity detection |
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| CN207570903U true CN207570903U (en) | 2018-07-03 |
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| CN201721634477.0U Active CN207570903U (en) | 2017-11-30 | 2017-11-30 | The rivet head stationary fixture of riveted type contact elements riveting intensity detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225898A (en) * | 2017-11-30 | 2018-06-29 | 福达合金材料股份有限公司 | Rivet head stationary fixture and its riveted type contact elements riveting intensity detection method |
| CN109030752A (en) * | 2018-09-30 | 2018-12-18 | 宁波三星智能电气有限公司 | A kind of quality inspection method at the riveting position applied to connecting column and plate |
| CN111855392A (en) * | 2020-07-24 | 2020-10-30 | 安庆创跃电器有限公司 | Laser blade rivet torsion detection device |
-
2017
- 2017-11-30 CN CN201721634477.0U patent/CN207570903U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225898A (en) * | 2017-11-30 | 2018-06-29 | 福达合金材料股份有限公司 | Rivet head stationary fixture and its riveted type contact elements riveting intensity detection method |
| WO2019105128A1 (en) * | 2017-11-30 | 2019-06-06 | 福达合金材料股份有限公司 | Rivet head fixture and riveting strength detection method for riveting type contact element thereof |
| CN108225898B (en) * | 2017-11-30 | 2024-02-13 | 浙江福达合金材料科技有限公司 | Rivet head fixing clamp and riveting strength detection method for riveting contact element of rivet head fixing clamp |
| CN109030752A (en) * | 2018-09-30 | 2018-12-18 | 宁波三星智能电气有限公司 | A kind of quality inspection method at the riveting position applied to connecting column and plate |
| CN111855392A (en) * | 2020-07-24 | 2020-10-30 | 安庆创跃电器有限公司 | Laser blade rivet torsion detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220214 Address after: 325025 No. 308, Binhai fifth road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Fuda alloy material technology Co.,Ltd. Address before: No. 518, Binhai 4th Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 325000 Patentee before: FUDA ALLOY MATERIALS Co.,Ltd. |
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| TR01 | Transfer of patent right |