CN110595904A - Projection welding bolt and nut welding strength detection equipment - Google Patents
Projection welding bolt and nut welding strength detection equipment Download PDFInfo
- Publication number
- CN110595904A CN110595904A CN201910994192.5A CN201910994192A CN110595904A CN 110595904 A CN110595904 A CN 110595904A CN 201910994192 A CN201910994192 A CN 201910994192A CN 110595904 A CN110595904 A CN 110595904A
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- pressure head
- projection welding
- plate
- pressure sensor
- strength detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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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 projection welding bolt and nut welding strength detection device which comprises a bottom plate, a pushing cylinder, a pressure head and a pressure sensor, wherein the pressure head and the pressure sensor are used for detection, the bottom plate is provided with a vertical baffle plate and a vertical support plate at intervals side by side, the pushing cylinder is arranged on the bottom plate or the support plate, the pressure head is arranged at the end part of a piston rod of the pushing cylinder, and the pressure sensor is arranged on the baffle plate relative to the pressure head. The welding strength detection equipment for the projection welding bolt and the nut has simple structural design, can solve the problem of inconvenient detection of projection welding quality, is simple and convenient to detect and operate, is durable in use and low in manufacturing cost; and the detection of projection welding nuts, bolts and screws of various types is universal, and the detection range is wide.
Description
Technical Field
The invention relates to the technical field of automobile welding, in particular to a projection welding bolt and nut welding strength detection device.
Background
In the current automobile manufacturing industry, a projection welding process is an indispensable welding mode, and on average, each cab has hundreds of projection welding bolts or nuts with various dimensions. The main advantages of the projection welding process are: 1. the welding noise is low, no arc light is irradiated, and the labor condition is good; 2. high production efficiency and saving a large amount of auxiliary materials.
The projection welding product is an essential part on an automobile, so the welding quality is also the most important. The problems of projection welding of bolts, insufficient welding of nuts, weak welding and the like often occur in the production and the manufacturing of a host factory, once the problems of insufficient welding and weak welding occur, the assembled parts fall off, the function fails, customers are caused to complain strongly, and even safety accidents occur. An effective projection welding quality detection method is always a great problem puzzling the automobile manufacturing industry and needs to be solved urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the welding strength detection equipment for the projection welding bolt and nut, which is convenient for projection welding quality detection.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
this projection welding bolt and nut welding strength check out test set, including the bottom plate, still include the push cylinder and be used for detecting pressure head and the pressure sensor of usefulness, the interval is provided with vertical baffle and backup pad side by side on the bottom plate, the push cylinder is established in bottom plate or backup pad, the pressure head is established at the tailpiece of the piston rod portion of push cylinder, the relative pressure head of pressure sensor is established on the baffle.
Furthermore, the pushing cylinder is arranged on the bottom plate and is positioned on one side of the supporting plate, the pressure head is positioned on the other side of the supporting plate, and the supporting plate is provided with a guide hole for the piston rod to pass through.
The baffle is provided with a fixing column relative to the pressure head, and the pressure sensor is arranged on the fixing column.
And a groove is formed in the pressure head relative to the pressure sensor.
The pressure head is of a circular plate structure, and a positioning hole for positioning the detection part is formed in the pressure head opposite to the pressure sensor.
Two side plates are arranged on the bottom plate on two sides of the supporting plate, a box body structure is formed between the supporting plate and the two side plates, and the pushing cylinder is located in the box body structure.
The fixing column is detachably arranged on the baffle through a fastener.
The fixed column is provided with an extrusion plate, the pressure sensor is positioned between the end part of the fixed column and the extrusion plate, the extrusion plate is a circular plate, the groove is a circular groove, and the outer diameter of the extrusion plate is smaller than the inner diameter of the groove.
Compared with the prior art, the invention has the following advantages:
the welding strength detection equipment for the projection welding bolt and the nut has simple structural design, can solve the problem of inconvenient detection of projection welding quality, is simple and convenient to detect and operate, is durable in use and low in manufacturing cost; and the detection of projection welding nuts, bolts and screws of various types is universal, and the detection range is wide.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a first schematic structural diagram of a detection apparatus according to the present invention.
FIG. 2 is a schematic structural diagram of a second detecting apparatus according to the present invention.
In the figure:
1. the device comprises a bottom plate, a baffle plate 2, a supporting plate 3, a side plate 4, a pushing cylinder 5, a piston rod 6, a pressure head 7 and a fixing column 8.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the projection bolt and nut welding strength detection apparatus includes a base plate 1, a push cylinder 5, a ram 7 for detection, and a pressure sensor; vertical baffle 2 and backup pad 3 are provided with side by side at the interval on the bottom plate, and the push cylinder 5 is established on bottom plate or backup pad, and pressure head 7 is established at the piston rod 6 tip of push cylinder, and the relative pressure head of pressure sensor is established on the baffle.
The pushing cylinder 5 is arranged on the bottom plate, the pushing cylinder is located on one side of the supporting plate, the pressure head is located on the other side of the supporting plate, a guide hole for the piston rod to penetrate through is formed in the supporting plate, and the stability of detection is guaranteed through the guide hole and the piston rod in a matched guide mode.
A fixing column 8 is arranged on the baffle 2 opposite to the pressure head, and a pressure sensor is arranged on the fixing column; the other side of the baffle plate on the bottom plate is provided with a supporting inclined rib, so that the structural strength is ensured, and the deformation of the baffle plate is avoided.
Two side plates 4 are arranged on the bottom plate on two sides of the supporting plate, a box body structure is formed between the supporting plate and the two side plates, and the pushing cylinder is located in the box body structure, so that the structure is compact.
The fixing column 8 is detachably arranged on the baffle through a fastening piece, so that the fixing column can be replaced conveniently according to different parts.
The pressure head is of a circular plate structure, and a positioning hole for positioning the detection part is arranged on the pressure head opposite to the pressure sensor; the pressure head is provided with a groove relative to the pressure sensor, and the extrusion component for detection is avoided through the groove during detection.
The fixed column is provided with an extrusion plate, the pressure sensor is positioned between the end part of the fixed column and the extrusion plate, the extrusion plate is a circular plate, the groove is a circular groove, the outer diameter of the extrusion plate is smaller than the inner diameter of the groove, the extrusion plate is arranged on the fixed column through an elastic component, the reliability of the equipment is improved, and the equipment is durable. Or be equipped with the mounting groove in the fixed column tip, be equipped with magnet in the mounting groove, the stripper plate is the steel sheet, still is equipped with guide structure between fixed column and the stripper plate and links to each other simple structure.
Connecting an air pipe of the pushing cylinder into an air source, opening a pressure regulating valve, and regulating the pressure to a proper position; connecting a pressure sensor into a sensor digital display instrument, setting a test range, and connecting into a 220V power supply; opening a control switch to confirm the operation state of the cylinder; and placing the part between the pressure head and the extrusion plate, pushing the cylinder to work, and testing the projection welding quality.
After the parts are fixed, the cylinder is controlled by a control switch to move forward, stop and retreat, and whether the projection welding quality meets the product requirement is determined by a pressure sensor digital display meter, so that the projection welding quality is effectively judged. The detection equipment can effectively judge the projection welding quality, and has low cost of about 2000 yuan.
The welding strength detection equipment for the projection welding bolt and the nut has simple structural design, can solve the problem of inconvenient detection of projection welding quality, is simple and convenient to detect and operate, is durable in use and low in manufacturing cost; and the detection of projection welding nuts, bolts and screws of various types is universal, and the detection range is wide.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (8)
1. The utility model provides a projection welding bolt and nut welding strength check out test set, includes the bottom plate, its characterized in that: still including the pressure head and the pressure sensor that promote the jar and be used for detecting the usefulness, the interval is provided with vertical baffle and backup pad side by side on the bottom plate, promote the jar and establish on bottom plate or backup pad, the piston rod tip at the promotion jar is established to the pressure head, the relative pressure head of pressure sensor is established on the baffle.
2. The projection welding bolt and nut welding strength detection apparatus according to claim 1, characterized in that: the pushing cylinder is arranged on the bottom plate and located on one side of the supporting plate, the pressure head is located on the other side of the supporting plate, and the supporting plate is provided with a guide hole for the piston rod to penetrate through.
3. The projection welding bolt and nut welding strength detection apparatus according to claim 1, characterized in that: the baffle is provided with a fixing column relative to the pressure head, and the pressure sensor is arranged on the fixing column.
4. The projection welding bolt and nut welding strength detection apparatus according to claim 1 or 3, characterized in that: and a groove is formed in the pressure head relative to the pressure sensor.
5. The projection welding bolt and nut welding strength detection apparatus according to claim 1, characterized in that: the pressure head is of a circular plate structure, and a positioning hole for positioning the detection part is formed in the pressure head opposite to the pressure sensor.
6. The projection welding bolt and nut welding strength detection apparatus according to claim 2, characterized in that: two side plates are arranged on the bottom plate on two sides of the supporting plate, a box body structure is formed between the supporting plate and the two side plates, and the pushing cylinder is located in the box body structure.
7. The projection welding bolt and nut welding strength detection apparatus according to claim 3, characterized in that: the fixing column is detachably arranged on the baffle through a fastener.
8. The projection welding bolt and nut welding strength detection apparatus according to claim 4, characterized in that: the fixed column is provided with an extrusion plate, the pressure sensor is positioned between the end part of the fixed column and the extrusion plate, the extrusion plate is a circular plate, the groove is a circular groove, and the outer diameter of the extrusion plate is smaller than the inner diameter of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994192.5A CN110595904A (en) | 2019-10-18 | 2019-10-18 | Projection welding bolt and nut welding strength detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994192.5A CN110595904A (en) | 2019-10-18 | 2019-10-18 | Projection welding bolt and nut welding strength detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110595904A true CN110595904A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910994192.5A Pending CN110595904A (en) | 2019-10-18 | 2019-10-18 | Projection welding bolt and nut welding strength detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110595904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752183A (en) * | 2021-08-30 | 2021-12-07 | 东风模具冲压技术有限公司 | Projection welding bolt breakage detection positioning device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009029713A1 (en) * | 2009-06-22 | 2010-12-23 | GM Global Technology Operations, Inc., Detroit | Diagonal pull adapter for testing weld seam between sheet of motor vehicle's body shell and e.g. circular projection nut, has opening with cross-sectional plane that is inclined perpendicular relative to longitudinal axis around angle |
| CN102494947A (en) * | 2011-11-28 | 2012-06-13 | 芜湖市中兴机械技术开发有限公司 | Welding strength test unit of projection welded threaded part and test method thereof |
| CN104215516A (en) * | 2014-09-19 | 2014-12-17 | 天津星漫汽车部件有限公司 | Device for detecting weld strength of piston cylinders of automobile dampers |
| CN204202998U (en) * | 2014-09-19 | 2015-03-11 | 天津星漫汽车部件有限公司 | A kind of welded tube pick-up unit |
| CN205246436U (en) * | 2015-11-16 | 2016-05-18 | 北京汽车研究总院有限公司 | A anchor clamps for projection nut compression test |
| CN205719786U (en) * | 2016-06-30 | 2016-11-23 | 淮阴师范学院 | A kind of weld strength detection device |
| CN205836745U (en) * | 2016-06-15 | 2016-12-28 | 奇瑞商用车（安徽）有限公司 | A kind of Novel truck frame structure of front bumper |
| CN106556540A (en) * | 2016-10-19 | 2017-04-05 | 奇瑞汽车股份有限公司 | A kind of welding of projection welded nut intensity detection frock |
| CN107044938A (en) * | 2016-02-05 | 2017-08-15 | 襄阳东昇机械有限公司 | A kind of nut-welding intensity pressure testing machine |
| CN207456956U (en) * | 2017-11-28 | 2018-06-05 | 浙江一捷汽车零部件有限公司 | A kind of spot welding intensity detection mechanism |
| CN108489799A (en) * | 2018-02-27 | 2018-09-04 | 中国科学院武汉岩土力学研究所 | A kind of three axis of rock gas/naked triaxial compression test device, system and method |
-
2019
- 2019-10-18 CN CN201910994192.5A patent/CN110595904A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009029713A1 (en) * | 2009-06-22 | 2010-12-23 | GM Global Technology Operations, Inc., Detroit | Diagonal pull adapter for testing weld seam between sheet of motor vehicle's body shell and e.g. circular projection nut, has opening with cross-sectional plane that is inclined perpendicular relative to longitudinal axis around angle |
| CN102494947A (en) * | 2011-11-28 | 2012-06-13 | 芜湖市中兴机械技术开发有限公司 | Welding strength test unit of projection welded threaded part and test method thereof |
| CN104215516A (en) * | 2014-09-19 | 2014-12-17 | 天津星漫汽车部件有限公司 | Device for detecting weld strength of piston cylinders of automobile dampers |
| CN204202998U (en) * | 2014-09-19 | 2015-03-11 | 天津星漫汽车部件有限公司 | A kind of welded tube pick-up unit |
| CN205246436U (en) * | 2015-11-16 | 2016-05-18 | 北京汽车研究总院有限公司 | A anchor clamps for projection nut compression test |
| CN107044938A (en) * | 2016-02-05 | 2017-08-15 | 襄阳东昇机械有限公司 | A kind of nut-welding intensity pressure testing machine |
| CN205836745U (en) * | 2016-06-15 | 2016-12-28 | 奇瑞商用车（安徽）有限公司 | A kind of Novel truck frame structure of front bumper |
| CN205719786U (en) * | 2016-06-30 | 2016-11-23 | 淮阴师范学院 | A kind of weld strength detection device |
| CN106556540A (en) * | 2016-10-19 | 2017-04-05 | 奇瑞汽车股份有限公司 | A kind of welding of projection welded nut intensity detection frock |
| CN207456956U (en) * | 2017-11-28 | 2018-06-05 | 浙江一捷汽车零部件有限公司 | A kind of spot welding intensity detection mechanism |
| CN108489799A (en) * | 2018-02-27 | 2018-09-04 | 中国科学院武汉岩土力学研究所 | A kind of three axis of rock gas/naked triaxial compression test device, system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752183A (en) * | 2021-08-30 | 2021-12-07 | 东风模具冲压技术有限公司 | Projection welding bolt breakage detection positioning device |
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