CN113714676A - Method for testing welding quality of product - Google Patents
Method for testing welding quality of product Download PDFInfo
- Publication number
- CN113714676A CN113714676A CN202110925411.1A CN202110925411A CN113714676A CN 113714676 A CN113714676 A CN 113714676A CN 202110925411 A CN202110925411 A CN 202110925411A CN 113714676 A CN113714676 A CN 113714676A
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- China
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- product
- jig
- thimble
- testing
- tested
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
The invention discloses a method for testing the welding quality of a product, which comprises the following steps: s1: placing a product to be tested in a packaging tray; s2: the product jig is reversely buckled above the packaging disc; exchanging the positions of the packaging disc and the product jig; s3: mounting the product jig with the product to be tested on the positioning carrier; s4: starting the motor; the motor drives the thimble jig to press down until the thimble abuts against the product to be tested, and then the motor rotates reversely and drives the thimble jig to move upwards until the thimble is separated from the product to be tested; the motor drives the thimble jig to press downwards and move upwards for a plurality of times; s5: taking the product jig out of the positioning carrier; after unqualified products are selected, placing the product jig on a workbench; the packaging disc is reversely buckled above the product jig; and exchanging the positions of the product jig and the packaging plate. The invention can improve the efficiency of testing the welding quality of the product.
Description
Technical Field
The invention relates to the technical field of product welding processes, in particular to a method for testing the welding quality of a product.
Background
The earphone is a common electronic product in people's life, and the market scale is very huge at present. In the production and assembly process of earphone parts, welding is the most commonly used production process. Because the existing earphone has small volume and various small and numerous parts; therefore, the existing earphone welding bridge is manufactured by automatic feeding and automatic welding of automatic welding equipment. Because automatic welding equipment can not automatically identify the welding quality of a welded product, the welding process defects of the welding bridge of the earphone are often encountered in large-scale welding process production, and further the welding part of the earphone is not firmly connected to cause the falling of parts. Based on this, chinese patent CN210775021U discloses a thrust pen for detecting soldering force of flexible printed circuit board parts, which includes a casing, a thrust pin partially disposed in the casing, and a thrust pin connected with the thrust pin and partially disposed in the casing
The sliding block, the elastic piece which is respectively connected with the sliding block and the shell and is arranged in the shell, and the adjusting piece which is connected with the shell and is butted with the thrust needle for adjusting the thrust. The shell comprises a columnar body, an upper cover flange arranged at one end of the body, and a lower cover flange arranged at the other end of the body, wherein a through hole is formed in the lower cover flange, and the thrust needle is arranged in the through hole in a penetrating manner. The body is provided with a slide hole along the axial direction, and the slide block comprises a slide seat sleeved outside the thrust needle and a fixing part which is respectively connected with the slide seat and the thrust needle and extends to the outside of the shell through the slide hole. The detection thrust pen can apply thrust to earphone parts which are subjected to the welding process one by one so as to detect the welding quality.
However, the test of the welding quality of the product by using the detection thrust pen has the technical problems that the product is easy to miss detection and the efficiency of detecting the product is low. The detection thrust pen needs to be manually held and detects welded parts one by one, so that the product is easily missed to be detected due to uncontrollable human interference factors caused by manual holding; moreover, in the large-scale production demand of products, the manual detection efficiency is low, and enterprises need to invest in larger labor cost.
Disclosure of Invention
Based on this, it is necessary to provide a method for testing the welding quality of a product aiming at the problem of how to improve the efficiency of testing the welding quality of the product.
The invention provides a method for testing the welding quality of a product, which comprises the following steps:
s1: preparing a product for testing welding quality; placing a product to be tested in a packaging tray;
s2: placing a packaging tray filled with a product to be tested on a workbench; the product jig is reversely buckled above the packaging disc; exchanging the positions of the packaging disc and the product jig;
s3: mounting the product jig with the product to be tested on the positioning carrier;
s4: starting the motor; the motor drives the thimble jig to press down until the thimble abuts against the product to be tested, and then the motor rotates reversely and drives the thimble jig to move upwards until the thimble is separated from the product to be tested; the motor drives the thimble jig to press downwards and move upwards for a plurality of times;
s5: taking the product jig out of the positioning carrier; after unqualified products are selected, placing the product jig on a workbench; the packaging disc is reversely buckled above the product jig; and exchanging the positions of the product jig and the packaging plate.
Specifically, a guiding matching structure is arranged between the packaging disc and the product jig.
Specifically, the positioning carrier is provided with a fool-proof structure.
Specifically, a screw rod is connected between the motor and the ejector pin jig.
Specifically, the thimble tool includes apron, a plurality of thimble and a plurality of spring.
Furthermore, the cover plate is provided with a plurality of thimble clamping grooves, and the plurality of thimbles are movably connected with the thimble clamping grooves correspondingly.
Further, the spring is arranged between the cover plate and the ejector pin and is sleeved at one end of the ejector pin.
In summary, the method for testing the welding quality of the product according to the present invention can transfer the product that has been welded and assembled from the packaging tray to the product fixture at one time, then, after the product fixture is placed on the positioning carrier, the motor can drive the thimble fixture to perform the welding quality detection on the product to be tested at the same time, and then, the product that has been welded and assembled can be transferred to the packaging tray by the product fixture at one time again. The method for testing the welding quality of the product can be used for detecting a plurality of products at one time, the detected products cannot influence the use quality, and the efficiency of detecting the welding quality of the products is effectively improved. Meanwhile, the method for testing the welding quality of the product can combine the process of testing the welding quality of the product into the assembly production flow of the superior product, and can improve the production efficiency of the welded product.
Drawings
FIG. 1 is a flow chart of a method of testing the weld quality of a product according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for testing the welding quality of a product according to the present invention.
The invention relates to a method for testing the welding quality of a product, which comprises the following steps:
s1: preparing a product for testing welding quality; placing a product to be tested in a packaging tray;
s2: placing a packaging tray filled with a product to be tested on a workbench; the product jig is reversely buckled above the packaging disc; exchanging the positions of the packaging disc and the product jig;
s3: mounting the product jig with the product to be tested on the positioning carrier;
s4: starting the motor; the motor drives the thimble jig to press down until the thimble abuts against the product to be tested, and then the motor rotates reversely and drives the thimble jig to move upwards until the thimble is separated from the product to be tested; the motor drives the thimble jig to press downwards and move upwards for a plurality of times;
s5: taking the product jig out of the positioning carrier; after unqualified products are selected, placing the product jig on a workbench; the packaging disc is reversely buckled above the product jig; and exchanging the positions of the product jig and the packaging plate.
The method for testing the welding quality of the product can test a plurality of products at a time, and the test flow of the product is easy to be incorporated into the conventional production and assembly process flow of the tested product.
In particular, products using a welding process are common, especially for electronic welding products, which are often welded and assembled by automated welding equipment in mass production and assembly. Therefore, a packaging tray or a turnover tray for receiving welding products can be preset at the discharge port of the automatic welding equipment, and a plurality of products which are welded and assembled can be uniformly placed in the packaging tray or the turnover tray.
Further, in the step S2, a guiding and matching structure is disposed between the packaging tray and the product jigs, so that when the product jigs are reversely buckled above the packaging tray, the object placing cavity of each packaging tray can correspond to the object placing cavity of each product jig in sequence, so that after the packaging tray and the product jigs are interchanged, all the products which are placed on the packaging tray and have been subjected to welding assembly and are to be tested in the object placing cavities of the product jigs can correspondingly fall into the object placing cavities of the product jigs at one time. Specifically, the guiding and matching structure may be that a plurality of guiding posts are arranged in the packaging tray, and a plurality of corresponding guiding holes are arranged in the product jig; therefore, when the product jig is reversely buckled above the packaging plate, the guide posts and the guide holes can be matched one by one to guide the product jig to be matched and connected with the packaging plate. Similarly, a plurality of guide holes may be formed in the packaging tray, and a plurality of corresponding guide posts may be formed in the product jig, so that the product jig and the packaging tray may be matched and connected when the product jig is turned over the packaging tray. The product jig and the packaging plate are in matched connection, so that the to-be-tested products uniformly placed in the packaging plate can be conveniently transferred into the product jig at one time, the turnover efficiency of the to-be-tested products is improved, and the tested period of the to-be-tested products is further saved. Specifically, the guiding and matching structure may also be configured to have a matching edge between the packaging tray and the product jig, that is, the packaging tray is provided with a convex outer edge, and the product jig is provided with a concave outer edge, and the convex outer edge and the concave outer edge may be matched with each other, so that when the product jig is placed above the packaging tray, the product jig may be partially sleeved with the packaging tray. Therefore, after the packaging tray and the product jig are interchanged, all products to be tested in the packaging tray can fall into the product jig correspondingly at one time.
Specifically, in step S3, the positioning carrier is fixed in the worktable or the testing apparatus. The positioning carrier is provided with an inwards concave cavity which can be connected with the product jig in a matching way, and the product jig can be movably placed in the positioning carrier. Further, the positioning carrier can be provided with a fool-proof structure, and the fool-proof structure can prevent an operator from reversely assembling the product jig. Specifically, the fool-proof structure may be configured to set the recessed cavity to be asymmetric, and when the product fixture is not placed in the positioning carrier according to a predetermined position, the recessed cavity is asymmetric, and the product fixture cannot be placed in the positioning carrier. The fool-proof structural design can effectively prevent the product to be tested from being misplaced with the thimble due to installation, and the misplaced condition can lead to the separation of the thimble and the product to be tested without sufficient butt, so that the accuracy of the welding quality result of the test product is influenced.
Further, in step S4, a screw rod is connected between the motor and the ejector pin jig. The screw rod can convert the rotary motion of the motor into linear motion for driving the thimble jig to press downwards or move upwards. Further, the thimble jig comprises a cover plate, a plurality of thimbles and a plurality of springs; the cover plate is provided with a plurality of thimble clamping grooves, the plurality of thimbles are movably connected with the thimble clamping grooves, one end of each thimble is sleeved with the spring, and the spring is arranged between the cover plate and the thimbles. Specifically, the thimble tool drives the thimble push down to the thimble with can produce the holding down force to the product that awaits measuring when awaiting measuring the product butt, the holding down force can inspect the holding capacity of the product that awaits measuring, the size of holding capacity depends on the elastic modulus and the compression capacity of spring. The elasticity modulus can be according to different product demands correspond different spring types of changing and correspond the adjustment thimble tool different stroke that pushes down. The downward pressing or upward moving action of the thimble jig can be repeated for a plurality of times. Repeated pressing can improve the accuracy of detecting the welding quality of the product and avoid the poor defects of cold welding or false welding and the like of the product.
S5: taking the product jig out of the positioning carrier; after unqualified products are selected, placing the product jig on a workbench; the packaging disc is reversely buckled above the product jig; and exchanging the positions of the product jig and the packaging plate.
Specifically, in step S5, after the thimble jig completes the preset pressing and ascending processes and returns to the initial position, the product jig may be taken out of the positioning carrier, then a damaged product in the detection process is selected, the remaining qualified product is placed on a flat and stable workbench together with the product jig, then the packaging tray which is emptied before is placed upside down above the product jig, and the packaging tray is aligned with the product jig in a matching manner, and then the packaging tray and the product jig are exchanged again. At the moment, the products which finish the welding quality detection are integrally circulated into the packaging disc by the product jig. And the product finishes the detection of the welding quality.
In summary, the method for testing the welding quality of the product according to the present invention can transfer the product that has been welded and assembled from the packaging tray to the product fixture at one time, then, after the product fixture is placed on the positioning carrier, the motor can drive the thimble fixture to perform the welding quality detection on the product to be tested at the same time, and then, the product that has been welded and assembled can be transferred to the packaging tray by the product fixture at one time again. The method for testing the welding quality of the product can be used for detecting a plurality of products at one time, the detected products cannot influence the use quality, and the efficiency of detecting the welding quality of the products is effectively improved. Meanwhile, the method for testing the welding quality of the product can combine the process of testing the welding quality of the product into the assembly production flow of the superior product, and can improve the production efficiency of the welded product.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A method for testing the welding quality of a product is characterized by comprising the following steps:
s1: preparing a product for testing welding quality; placing a product to be tested in a packaging tray;
s2: placing a packaging tray filled with a product to be tested on a workbench; the product jig is reversely buckled above the packaging disc; exchanging the positions of the packaging disc and the product jig;
s3: mounting the product jig with the product to be tested on the positioning carrier;
s4: starting the motor; the motor drives the thimble jig to press down until the thimble abuts against the product to be tested, and then the motor rotates reversely and drives the thimble jig to move upwards until the thimble is separated from the product to be tested; the motor drives the thimble jig to press downwards and move upwards for a plurality of times;
s5: taking the product jig out of the positioning carrier; after unqualified products are selected, placing the product jig on a workbench; the packaging disc is reversely buckled above the product jig; and exchanging the positions of the product jig and the packaging plate.
2. A method of testing the weld quality of a product according to claim 1, wherein: and a guiding matching structure is arranged between the packaging disc and the product jig.
3. A method of testing the weld quality of a product according to claim 1, wherein: the positioning carrier is provided with a fool-proof structure.
4. A method of testing the weld quality of a product according to claim 1, wherein: and a screw rod is connected between the motor and the ejector pin jig.
5. A method of testing the weld quality of a product according to claim 1, wherein: the thimble tool includes apron, a plurality of thimble and a plurality of spring.
6. The method for testing the welding quality of a product according to claim 5, wherein: the cover plate is provided with a plurality of thimble clamping grooves, and the plurality of thimbles correspond swing joint with the plurality of thimble clamping grooves.
7. The method for testing the welding quality of a product according to claim 5, wherein: the spring set up in the apron with between the thimble, and, the spring cup joints in the one end of thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925411.1A CN113714676B (en) | 2021-08-12 | 2021-08-12 | Method for testing welding quality of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925411.1A CN113714676B (en) | 2021-08-12 | 2021-08-12 | Method for testing welding quality of product |
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| CN113714676A true CN113714676A (en) | 2021-11-30 |
| CN113714676B CN113714676B (en) | 2022-11-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013045213A1 (en) * | 2011-09-29 | 2013-04-04 | Siemens Aktiengesellschaft | Method for testing the quality of a weld joint |
| CN205057320U (en) * | 2015-10-26 | 2016-03-02 | 大英德创精工设备有限公司 | Wall of wearing of production battery welds combination machine |
| CN105866601A (en) * | 2016-05-30 | 2016-08-17 | 歌尔声学股份有限公司 | Wire welding fool-proof device and fool-proof method |
| CN206747830U (en) * | 2017-04-14 | 2017-12-15 | 瞿洪海 | A kind of Welding quality test device |
| CN107931909A (en) * | 2017-12-25 | 2018-04-20 | 苏州明氏自动化技术有限公司 | Automatic loading and unloading device and its system |
| CN108802177A (en) * | 2017-04-28 | 2018-11-13 | 通用汽车环球科技运作有限责任公司 | Portable acoustic equipment for the weld seam in in-situ monitoring workpiece |
-
2021
- 2021-08-12 CN CN202110925411.1A patent/CN113714676B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013045213A1 (en) * | 2011-09-29 | 2013-04-04 | Siemens Aktiengesellschaft | Method for testing the quality of a weld joint |
| CN205057320U (en) * | 2015-10-26 | 2016-03-02 | 大英德创精工设备有限公司 | Wall of wearing of production battery welds combination machine |
| CN105866601A (en) * | 2016-05-30 | 2016-08-17 | 歌尔声学股份有限公司 | Wire welding fool-proof device and fool-proof method |
| CN206747830U (en) * | 2017-04-14 | 2017-12-15 | 瞿洪海 | A kind of Welding quality test device |
| CN108802177A (en) * | 2017-04-28 | 2018-11-13 | 通用汽车环球科技运作有限责任公司 | Portable acoustic equipment for the weld seam in in-situ monitoring workpiece |
| CN107931909A (en) * | 2017-12-25 | 2018-04-20 | 苏州明氏自动化技术有限公司 | Automatic loading and unloading device and its system |
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| CN113714676B (en) | 2022-11-25 |
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