CN115921339A - Laser welding quality detection system and method with tracking feedback function - Google Patents
Laser welding quality detection system and method with tracking feedback function Download PDFInfo
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- CN115921339A CN115921339A CN202211606376.8A CN202211606376A CN115921339A CN 115921339 A CN115921339 A CN 115921339A CN 202211606376 A CN202211606376 A CN 202211606376A CN 115921339 A CN115921339 A CN 115921339A
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Abstract
The invention relates to the technical field of laser welding, in particular to a laser welding quality detection system with a tracking feedback function and a method thereof, which comprises the following steps: the method comprises the following steps that an object to be welded is welded through a laser welding instrument, the object is sent to a conveying structure after welding is completed, an observation device observes the welded object, an observation result is transmitted to a controller through a network, the controller classifies products according to welding quality, and the object is classified into qualified products and unqualified products at a feed opening of the conveying structure according to the welding quality. The invention can carry out overall evaluation on the welding quality of the product, ensures that the product has higher yield in mass production, thereby improving the production benefit, analyzes specific reasons according to unqualified products, further adjusts the welding power, position and the like, further optimizes the welding operation, ensures the production quality and improves the product rate.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to a laser welding quality detection system with a tracking feedback function and a method thereof.
Background
Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques. The 20 th century and the 70 th century are mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type, namely, the surface of a workpiece is heated by laser radiation, the surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.
Defective products can also occur due to errors in the laser welding process, so that the yield is improved. The application provides a laser welding quality detection system with a tracking feedback function and a method thereof, which aim to solve the problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides a laser welding quality detection method with a tracking feedback function, which comprises the following specific steps: the method comprises the steps that an article to be welded is welded through a laser welding instrument, the article to be welded is conveyed to a conveying structure after welding is completed, an observation device capable of observing the welding seam is arranged on the conveying structure, when the welded article passes through the observation device, the observation device observes the article and transmits the observed result to a controller capable of analyzing specific welding quality through a network, the controller classifies products according to the welding quality, the article is divided into qualified and unqualified products at a feed opening of the conveying structure according to the welding quality, whether the final welding quality is qualified or not is obtained through the proportion of the unqualified products, an alarm is sent out through the controller if the final welding quality is unqualified, and the laser welding instrument is adjusted and set more finely.
In addition, the invention also provides a laser welding quality detection system with a tracking feedback function, which comprises a workbench, wherein a plurality of supporting legs are arranged at the bottom of the workbench, cushion blocks are arranged at the bottoms of the supporting legs, a fixed seat for placing an article to be welded is arranged on one side of the upper surface of the workbench, and a laser welding assembly is arranged at the rear side of the workbench corresponding to the position of the fixed seat;
one side of the upper end of the workbench, which is positioned on the fixed seat, is provided with a mounting groove, and a transmission mechanism for transmitting welded articles is arranged in the mounting groove;
the upper end of the workbench is provided with an observation mechanism positioned above the transmission mechanism, the outer side of the observation mechanism is provided with an analyzer, and the end part of the workbench is also provided with a material distribution mechanism which is used for controlling and distinguishing qualified and unqualified products through the analyzer.
Preferably: the fixing base is of a separable structure and comprises a base box separating base, the base is fixed on the upper surface of the workbench, and the separating base and the base are connected in an inserting mode.
Preferably: a plurality of jacks are formed in the base, an inserting rod is arranged at the bottom of the separating seat and is located in the jack, the inserting rod and the jack are matched to realize fixing and limiting of the separating seat, a clamping seat is further arranged at the upper end of the separating seat, and the clamping seat is used for fixing and limiting articles to be welded.
Preferably, the following components: the laser welding assembly comprises a support and a welding instrument, the support is fixed on the rear side of the workbench, the welding instrument is installed at the top of the support, and the welding instrument is a laser welding instrument.
Preferably: conveying mechanism adopts the belt transport, and the belt is connected through initiative transfer roller and driven transfer roller, and initiative driving roller and driven transfer roller all set up in the mounting groove.
Preferably: the observation mechanism comprises a mounting frame, the bottom of the mounting frame is fixed on the workbench, and a row of high-speed cameras are arranged at the top in the mounting frame along the conveying direction of the conveying mechanism.
Preferably: the analyzer comprises an analyzer body, a circuit board is arranged in the analyzer body, an intelligent processor and a memory are electrically connected to the circuit board and used for analyzing and storing data, a display screen is arranged on the front side of the analyzer, and an alarm lamp and an alarm are further arranged on the analyzer body.
Preferably, the following components: the feed mechanism includes the swash plate, and the higher one end of swash plate is connected with the exit of workstation, and the swash plate exit is provided with the baffle, and one side that the baffle is close to the workstation is provided with the spliced pole, has the space between spliced pole and the baffle, and the spliced pole is rotatable, and one side of spliced pole is provided with the branch board, just corresponds the position of baffle in the lateral wall all to be equipped with the counter around the swash plate.
Preferably, the following components: the bottom of swash plate is provided with the motor mounting panel, is provided with the motor on the motor mounting panel, installs the connecting axle on the motor shaft of motor, and the connecting axle passes the swash plate to be connected with the spliced pole.
The invention has the technical effects and advantages that:
the invention can carry out overall evaluation on the welding quality of the product, ensures that the product has higher yield in mass production, thereby improving the production benefit, analyzes specific reasons according to unqualified products, further adjusts the welding power, position and the like, further optimizes the welding operation, ensures the production quality and improves the product rate.
Drawings
Fig. 1 is a first perspective view of a laser welding quality detection system with tracking feedback function provided in an embodiment of the present application;
fig. 2 is a second perspective view of a laser welding quality detection system with tracking feedback function provided in an embodiment of the present application;
FIG. 3 is a front view of a laser welding quality detection system with tracking feedback provided by an embodiment of the present application;
FIG. 4 is an exploded view of a laser welding quality detection system with tracking feedback provided by embodiments of the present application;
FIG. 5 is a schematic structural diagram of a fixing seat in a laser welding quality detection system with a tracking feedback function according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a separating seat in a laser welding quality detection system with tracking feedback function according to an embodiment of the present application;
FIG. 7 is a schematic structural diagram of an observation mechanism in a laser welding quality detection system with tracking feedback function according to an embodiment of the present application;
FIG. 8 is a schematic structural diagram of an analyzer in a laser welding quality detection system with tracking feedback function according to an embodiment of the present application;
fig. 9 is a first schematic structural diagram of a material separating mechanism in a laser welding quality detection system with tracking feedback function according to an embodiment of the present application;
fig. 10 is a schematic structural diagram two of a material distribution mechanism in a laser welding quality detection system with a tracking feedback function according to an embodiment of the present application.
In the figure:
1. a work table; 2. a support leg; 3. laser welding the assembly; 4. a fixed seat; 5. mounting grooves; 6. a transport mechanism; 7. an observation mechanism; 8. an analyzer; 9. a material distributing mechanism; 31. a support; 32. a welding instrument; 41. a base; 42. a separating seat; 43. a jack; 44. a rod is inserted; 45. a card holder; 71. a mounting frame; 72. a high-speed camera; 81. an instrument body; 82. a display screen; 83. an alarm lamp; 84. an alarm; 91. a sloping plate; 92. a partition plate; 93. connecting columns; 94. dividing the plates; 95. a motor; 96. a connecting shaft; 97. a counter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
In this embodiment, a method for detecting laser welding quality with tracking feedback function is provided, which includes the following steps: the method comprises the steps that an article to be welded is welded through a laser welding instrument, the article to be welded is conveyed to a conveying structure after welding is completed, an observation device capable of observing the welding seam is arranged on the conveying structure, when the welded article passes through the observation device, the observation device observes the article and transmits the observed result to a controller capable of analyzing specific welding quality through a network, the controller classifies products according to the welding quality, the article is divided into qualified and unqualified products at a feed opening of the conveying structure according to the welding quality, whether the final welding quality is qualified or not is obtained through the proportion of the unqualified products, an alarm is sent out through the controller if the final welding quality is unqualified, and the laser welding instrument is adjusted and set more finely.
The method can be used for overall evaluation of the welding quality of the product, ensures that the product has higher yield in mass production, improves the production benefit, analyzes specific reasons according to unqualified products, further adjusts the welding power, position and the like, can further optimize the welding operation, ensures the production quality and improves the product rate.
In order to implement the quality detection method, in another embodiment, please refer to fig. 1 to 10, which provide a laser welding quality detection system with tracking feedback function, including a workbench 1, a plurality of support legs 2 are arranged at the bottom of the workbench 1, a cushion block is arranged at the bottom of the support legs 2, the cushion block is made of an anti-skid and specifically elastic material, such as rubber, the anti-skid prevents the whole device from moving and affecting the work, and the elastic material does not damage the ground when contacting the ground when the device moves;
a fixed seat 4 for placing an article to be welded is arranged on one side of the upper surface of the workbench 1, the article to be welded is arranged on the fixed seat 4, the fixed seat 4 is in a separable structure, the fixed seat 4 comprises a base 41 and a separating seat 42, the base 41 is fixed on the upper surface of the workbench 1, the separating seat 42 is inserted with the base 41, so that the corresponding separating seat 42 can be replaced according to different articles, and then the separating seat 42 is inserted on the base 41, thereby achieving the effect of conveniently fixing the position of different products;
the base 41 is provided with a plurality of insertion holes 43, the bottom of the separating seat 42 is provided with an insertion rod 44, the insertion rod 44 is positioned in the insertion holes 43, the insertion rod and the insertion holes 43 are matched to realize the fixing and limiting of the separating seat 42, meanwhile, the upper end of the separating seat 42 is also provided with a clamping seat 45, the clamping seat 45 is used for fixing and limiting an object to be welded, the clamping seats 45 of different separating seats 42 are different in structure, and the clamping seat 45 is only schematically arranged according to the object to be welded, and is not the structure;
the rear side of the workbench 1 is provided with a laser welding component 3 corresponding to the position of the fixed seat 4, the laser welding component 3 comprises a support 31 and a welding instrument 32, the support 31 is fixed at the rear side of the workbench 1, the top of the support 31 is provided with the welding instrument 32, and the welding instrument 32 is a laser welding instrument and is used for performing laser welding on an article placed on the fixed seat 4;
the upper end of the workbench 1 is provided with a mounting groove 5 on one side of a fixed seat 4, a transmission mechanism 6 for transmitting welded articles is mounted in the mounting groove 5, the transmission mechanism 6 is conveyed by a belt, the belt is connected with a driven conveying roller through a driving conveying roller, the driving conveying roller and the driven conveying roller are both arranged in the mounting groove 5, no specific power mechanism is drawn in the drawing, and when the welding machine is actually used, the welding machine is connected with the driving conveying roller through the power mechanism (such as a transmission motor) to drive the driving conveying roller to rotate, so that the belt can transmit the welded articles;
in the conveying process, an article is observed by an observation mechanism 7 arranged at the upper end of a workbench 1, the observation mechanism 7 comprises a mounting frame 71, the bottom of the mounting frame 71 is fixed on the workbench 1, a row of high-speed cameras 72 are arranged at the top in the mounting frame 71 along the conveying direction of a conveying mechanism 6, the plurality of high-speed cameras 72 all shoot the welding position of the article and transmit the shot pictures to an analyzer 8 arranged at the outer side of the observation mechanism 7, the analyzer 8 analyzes the welding position in the pictures, the judgment is that the dog meets the welding standard, if the welding position meets the welding standard, the welded article is divided into qualified articles by controlling a material dividing mechanism 9 arranged at the end part of the workbench 1, otherwise, the article is divided into unqualified articles;
the analyzer 8 comprises an analyzer body 81, a circuit board is arranged in the analyzer body 81, an intelligent processor and a memory are electrically connected to the circuit board and used for analyzing and storing data and controlling the analyzer 8 to work, a display screen 82 is arranged on the front side of the analyzer 8 and can display the proportion of final qualified products and the total number of welding products, observation of a user is facilitated, data are visual, meanwhile, an alarm lamp 83 and an alarm 84 are further arranged on the analyzer body 81, and if the qualification rate cannot meet requirements (the qualification rate can be set in advance), the user is reminded by alarming;
the material distributing mechanism 9 comprises an inclined plate 91, the higher end of the inclined plate 91 is connected with the outlet of the workbench 1, after the analyzer 8 analyzes the articles passing through the observation mechanism 7, the analyzer judges whether the single article is qualified or not, and then the material distributing mechanism 9 is directly controlled to screen the articles, wherein the specific screening is as follows:
the inclined plate 91 is obliquely arranged to facilitate falling of articles, the partition plate 92 is arranged at the outlet of the inclined plate 91, the connecting column 93 is arranged on one side, close to the workbench 1, of the partition plate 92, a gap is formed between the connecting column 93 and the partition plate 92, the connecting column 93 can rotate, the separating plate 94 is arranged on one side of the connecting column 93, the connecting column 93 rotates forwards or backwards according to the judgment result of the analyzer 8, and either of the qualified articles and the qualified articles can be determined according to the actual situation of a user, for example, the connecting column 93 rotates backwards, the separating plate 94 moves along with the rotating, the space between the partition plate 92 and the rear side wall of the inclined plate 91 can be blocked, so that the articles can only move through the front side in the cavity of the inclined plate 91, and can only fall at the front side, otherwise, the articles fall at the rear side, separation of the articles is achieved, meanwhile, counters 97 are arranged in the front side wall and the rear side wall of the inclined plate 91 and correspond to the positions of the partition plate 92, the counters 97 can count the passing articles and feed back to the analyzer 8, so that the total number, the qualified number and the unqualified number can be calculated, and the qualified rate can be known;
the bottom of swash plate 91 is provided with the motor mounting panel, is provided with motor 95 on the motor mounting panel, installs connecting axle 96 on the motor shaft of motor 95, and connecting axle 96 passes swash plate 91 and is connected with spliced pole 93 to motor 95 rotates and drives connecting axle 96 rotatory, and connecting axle 96 makes spliced pole 93 rotatory, finally realizes the rotation of minute board 94, forms the effect of dividing the material.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The laser welding quality detection method with the tracking feedback function is characterized by comprising the following specific steps of: the method comprises the steps that an article to be welded is welded through a laser welding instrument, the article to be welded is conveyed to a conveying structure after welding is completed, an observation device capable of observing the welding seam is arranged on the conveying structure, when the welded article passes through the observation device, the observation device observes the article and transmits the observed result to a controller capable of analyzing specific welding quality through a network, the controller classifies products according to the welding quality, the article is divided into qualified and unqualified products at a feed opening of the conveying structure according to the welding quality, whether the final welding quality is qualified or not is obtained through the proportion of the unqualified products, an alarm is sent out through the controller if the final welding quality is unqualified, and the laser welding instrument is adjusted and set more finely.
2. The laser welding quality detection system with the tracking feedback function comprises a workbench (1), wherein a plurality of supporting legs (2) are arranged at the bottom of the workbench (1), cushion blocks are arranged at the bottoms of the supporting legs (2), a fixed seat (4) for placing an article to be welded is arranged on one side of the upper surface of the workbench (1), and a laser welding assembly (3) is arranged on the rear side of the workbench (1) corresponding to the position of the fixed seat (4);
workstation (1) upper end is located one side of fixing base (4) and has been seted up mounting groove (5), installs transmission device (6) that are used for conveying the good article of welding in mounting groove (5), its characterized in that:
an observation mechanism (7) positioned above the conveying mechanism (6) is arranged at the upper end of the workbench (1), an analyzer (8) is installed on the outer side of the observation mechanism (7), and a material distribution mechanism (9) for controlling and distinguishing qualified and unqualified products through the analyzer (8) is further installed at the end part of the workbench (1).
3. The laser welding quality detection system with the tracking feedback function as claimed in claim 2, wherein the fixing base (4) is provided in a separable structure, the fixing base (4) comprises a base (41) and a separating base (42), the base (41) is fixed on the upper surface of the workbench (1), and the separating base (42) is inserted into the base (41).
4. The laser welding quality detection system with the tracking feedback function according to claim 3, wherein a plurality of insertion holes (43) are formed in the base (41), an insertion rod (44) is arranged at the bottom of the separating seat (42), the insertion rod (44) is located in the insertion holes (43), the insertion rod and the insertion hole are matched to fix and limit the separating seat (42), a clamping seat (45) is further arranged at the upper end of the separating seat (42), and the clamping seat (45) is used for fixing and limiting an object to be welded.
5. The laser welding quality detection system with the tracking feedback function according to claim 2, characterized in that the laser welding assembly (3) comprises a support (31) and a welding instrument (32), the support (31) is fixed at the rear side of the workbench (1), the welding instrument (32) is installed at the top of the support (31), and the welding instrument (32) is a laser welding instrument.
6. The laser welding quality detection system with tracking feedback function according to claim 2, characterized in that the transmission mechanism (6) adopts a belt conveying mode, the belt is connected with a driven conveying roller through a driving conveying roller, and the driving conveying roller and the driven conveying roller are both arranged in the mounting groove (5).
7. The laser welding quality detection system with tracking feedback function according to claim 2, characterized in that the observation mechanism (7) comprises a mounting frame (71), the bottom of the mounting frame (71) is fixed on the workbench (1), and the top inside the mounting frame (71) is provided with a row of high-speed cameras (72) along the conveying direction of the conveying mechanism (6).
8. The laser welding quality detection system with the tracking feedback function according to claim 2, wherein the analyzer (8) comprises an instrument body (81), a circuit board is arranged in the instrument body (81), an intelligent processor and a memory are electrically connected to the circuit board and used for analyzing and storing data, a display screen (82) is arranged on the front side of the analyzer (8), and an alarm lamp (83) and an alarm (84) are further arranged on the instrument body (81).
9. The laser welding quality detection system with the tracking feedback function according to claim 2, wherein the material distribution mechanism (9) comprises an inclined plate (91), the higher end of the inclined plate (91) is connected with the outlet of the workbench (1), a partition plate (92) is arranged at the outlet of the inclined plate (91), a connecting column (93) is arranged on one side, close to the workbench (1), of the partition plate (92), a gap is reserved between the connecting column (93) and the partition plate (92), the connecting column (93) can rotate, a distribution plate (94) is arranged on one side of the connecting column (93), and counters (97) are arranged in the front side wall and the rear side wall of the inclined plate (91) and correspond to the positions of the partition plate (92).
10. The laser welding quality detection system with the tracking feedback function as claimed in claim 9, wherein a motor mounting plate is arranged at the bottom of the inclined plate (91), a motor (95) is arranged on the motor mounting plate, a connecting shaft (96) is arranged on a motor shaft of the motor (95), and the connecting shaft (96) penetrates through the inclined plate (91) to be connected with the connecting column (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211606376.8A CN115921339A (en) | 2022-12-12 | 2022-12-12 | Laser welding quality detection system and method with tracking feedback function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211606376.8A CN115921339A (en) | 2022-12-12 | 2022-12-12 | Laser welding quality detection system and method with tracking feedback function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197534A (en) * | 2023-05-06 | 2023-06-02 | 赫比(成都)精密塑胶制品有限公司 | Laser welding method and laser welding processing technology |
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2022
- 2022-12-12 CN CN202211606376.8A patent/CN115921339A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197534A (en) * | 2023-05-06 | 2023-06-02 | 赫比(成都)精密塑胶制品有限公司 | Laser welding method and laser welding processing technology |
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