CN117760849A - Welding detection device and welding detection method - Google Patents
Welding detection device and welding detection method Download PDFInfo
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- CN117760849A CN117760849A CN202311796006.XA CN202311796006A CN117760849A CN 117760849 A CN117760849 A CN 117760849A CN 202311796006 A CN202311796006 A CN 202311796006A CN 117760849 A CN117760849 A CN 117760849A
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- 238000003466 welding Methods 0.000 title claims abstract description 98
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Abstract
The invention relates to the technical field of welding, and discloses a welding detection device and a welding detection method. The welding detection device comprises a clamping mechanism and a tension detection mechanism, wherein the clamping mechanism is used for clamping a first workpiece; the tension detection mechanism comprises a detection driving source and a tension detection piece, and the output end of the detection driving source is connected with the clamping mechanism through the tension detection piece. The welding detection device can carry out online detection on the finished product, omits a link that the finished product is transferred between a welding station and a detection station, saves time and labor, can improve the detection efficiency, and can avoid the phenomenon of inaccurate detection results caused by uneven manual force application.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding detection device and a welding detection method.
Background
The terminal is used as an important component in the connector, and is mainly used for realizing electrical connection. In the manufacturing process of the wiring terminal, the terminal and the wiring harness are required to be welded and fixed, a finished product after welding directly enters a later procedure without detection, and when the terminal and the wiring harness are subjected to cold joint, the quality of the subsequent product can be seriously affected, so that the terminal and the wiring harness also need to be subjected to detection of welding quality after the welding procedure is finished. In the prior art, the welding quality of the terminal and the wire harness is detected in the following two modes:
1) Manually checking one by one, namely, an operator picks up the welded terminal and the wire harness, and respectively holds the terminal and the wire harness by two hands and pulls the terminal and the wire harness to two ends, and if the terminal and the wire harness are not pulled, judging the terminal and the wire harness are qualified; the detection method has the advantages that the workload is large, the manual force is different in size, and the condition that the cold joint cannot be detected due to too small pulling force is likely to occur;
2) Detecting by using a tension meter, and after the terminal and the wire harness are welded, removing a finished product from the welding device by an operator, and then placing the finished product on the tension meter for detection; when the detection method is adopted, finished products are required to be transferred between the welding device and the tension meter, time and labor are wasted, and the detection efficiency is low.
Therefore, it is desirable to provide a welding inspection apparatus to solve the above-mentioned problems.
Disclosure of Invention
Based on the above, the invention aims to provide a welding detection device and a welding detection method, which can detect a finished product on line, omit a link of transferring the finished product between a welding station and a detection station, save time and labor, improve detection efficiency, and avoid inaccurate detection results caused by uneven manual force application.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a welding inspection device, the welding inspection device comprising:
the clamping mechanism is used for clamping the first workpiece;
the tension detection mechanism comprises a detection driving source and a tension detection piece, wherein the output end of the detection driving source is connected with the clamping mechanism through the tension detection piece.
As a preferable mode of the welding detection apparatus provided by the invention, the clamping mechanism comprises:
the mounting frame is connected with the tension detection piece;
two clamping pieces which are oppositely arranged;
and the clamping air cylinders are arranged on the mounting frame and are configured to drive the two clamping pieces to move towards or away from each other.
As an optimal scheme of the welding detection device provided by the invention, a fillet transition is adopted between the clamping surface and the top surface of the clamping piece.
As an optimal scheme of the welding detection device provided by the invention, a bearing piece is further arranged between the two clamping pieces, and the bearing piece is used for bearing the first workpiece.
As a preferable scheme of the welding detection device provided by the invention, each clamping piece is connected with the bearing piece, the bearing pieces on the two clamping pieces are arranged in a staggered mode, and each clamping piece is also provided with an avoidance groove for avoiding the opposite bearing piece.
As an optimal scheme of the welding detection device provided by the invention, the clamping piece and the corresponding supporting piece are of an integrated structure or a split structure.
As an optimal scheme of the welding detection device provided by the invention, the outer cover of the clamping mechanism is provided with the protective cover, and the top of the protective cover is provided with the protective avoidance space for avoiding the clamping end of the clamping mechanism.
As a preferable scheme of the welding detection device provided by the invention, the welding detection device further comprises a base, and the clamping mechanism is arranged on the base; the base with still be provided with guide structure between the fixture, guide structure includes matched with direction slide rail and direction slider, the direction slide rail with one of them set up in on the base, another set up in the bottom of fixture.
As an optimal scheme of the welding detection device, the number of the guide structures is at least two, and at least two guide structures are arranged in parallel and at intervals.
A welding detection method based on the welding detection apparatus as described above, the welding detection method comprising the steps of:
fixing the first workpiece on the clamping mechanism, and enabling the position to be welded of the first workpiece to be abutted against the position to be welded of the second workpiece;
welding and fixing the first workpiece and the second workpiece by using a welding device;
the detection driving source drives the clamping mechanism to drive the first workpiece to move in a direction away from the second workpiece, and meanwhile, the tension detection piece detects the tension applied on the clamping mechanism by the detection driving source, and the detection driving source stops moving after the preset tension is reached;
observing whether the welding position of the first workpiece and the second workpiece is disconnected, if so, the finished product is disqualified; if not, the finished product is qualified.
The beneficial effects of the invention are as follows:
the welding detection device comprises a clamping mechanism and a tension detection mechanism, wherein the clamping mechanism is used for clamping a first workpiece; the tension detection mechanism comprises a detection driving source and a tension detection piece, and the output end of the detection driving source is connected with the clamping mechanism through the tension detection piece. . When the welding fixture is used, the first workpiece is clamped and fixed on the clamping mechanism, the position to be welded of the first workpiece is abutted against the position to be welded of the second workpiece, and then the first workpiece and the second workpiece are welded and fixed by the welding device; when the welding operation of the first workpiece and the second workpiece is finished, the detection driving source drives the clamping mechanism to drive the first workpiece to move in a direction away from the second workpiece, meanwhile, the tension detection piece detects the tension applied by the detection driving source on the clamping mechanism, and the detection driving source stops moving after the preset tension is reached, at the moment, if the welding positions of the first workpiece and the second workpiece are still connected together, the welding quality of the first workpiece and the second workpiece is good, and the finished product is qualified; if the welding position of the first workpiece and the second workpiece is disconnected, the finished product is disqualified. The welding detection device can carry out on-line detection on the finished product, omits the link that the finished product is transferred between the welding station and the detection station, saves time and labor, can improve the detection efficiency, and can avoid the phenomenon of inaccurate detection result caused by uneven manual force application.
According to the welding detection method, the welding detection device is used for detecting the finished product on line, so that a step of transferring the finished product between a welding station and a detection station is omitted, time and labor are saved, the detection efficiency can be improved, and the phenomenon of inaccurate detection results caused by uneven manual force application can be avoided; in addition, the first workpiece and the second workpiece can be subjected to nondestructive product quality detection after each welding, and qualified products can enter the next process, so that the yield of finished products is improved, waste can be avoided, and the detection cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a welding detection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hidden shield of a welding detection device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention.
In the figure:
1-a base;
2-a clamping mechanism; 21-a mounting rack; 22-clamping cylinder; 23-clamping members; 231-avoidance slot; 24-a support;
3-a tension detecting mechanism; 31-detecting a driving source; 32-a tension detecting member;
4-guiding structure; 41-guiding slide rails; 42-guiding slide blocks;
5-protecting cover; 51-guard avoidance space.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Fig. 1 shows a schematic structural diagram of a welding detection apparatus provided in this embodiment. As shown in fig. 1, the present embodiment provides a welding inspection apparatus including a clamping mechanism 2 and a tension detection mechanism 3, the clamping mechanism 2 being for clamping a first workpiece; the tension detecting mechanism 3 includes a detecting drive source 31 and a tension detecting member 32, and an output end of the detecting drive source 31 is connected with the clamping mechanism 2 through the tension detecting member 32.
When the welding detection device provided by the embodiment is used, the first workpiece is clamped and fixed on the clamping mechanism 2, the position to be welded of the first workpiece is abutted against the position to be welded of the second workpiece, and then the first workpiece and the second workpiece are welded and fixed by the welding device; when the welding operation of the first workpiece and the second workpiece is finished, the detection driving source 31 drives the clamping mechanism 2 to drive the first workpiece to move in a direction away from the second workpiece, meanwhile, the tension detection piece 32 detects the tension applied by the detection driving source 31 on the clamping mechanism 2, and the detection driving source 31 stops moving after the preset tension is reached, at the moment, if the welding positions of the first workpiece and the second workpiece are still connected together, the welding quality of the first workpiece and the second workpiece is good, and the finished product is qualified; if the welding position of the first workpiece and the second workpiece is disconnected, the finished product is disqualified. The welding detection device can carry out on-line detection on the finished product, omits the link that the finished product is transferred between the welding station and the detection station, saves time and labor, can improve the detection efficiency, and can avoid the phenomenon of inaccurate detection result caused by uneven manual force application. In this embodiment, the specific value of the preset tension is not limited, and an operator can adjust the preset tension according to the actual welding condition. The preset tension may be any value between 20N and 200N, preferably 50N, 80N, 120N, 150N, etc., for example.
In this embodiment, the first work is specifically referred to as a wire harness, and the second work is specifically referred to as a terminal. Of course, in other embodiments, the first workpiece and the second workpiece may be two other workpieces that are connected by welding. After the first workpiece and the second workpiece are welded, the second workpiece needs to be fixed, so that the second workpiece synchronously moves along with the first workpiece to influence the detection result when the detection driving source 31 drives the clamping mechanism 2 to drive the first workpiece to move. The second workpiece may be clamped and fixed by using a clamping device in the prior art, and the fixing manner of the second workpiece is not limited in this embodiment.
Alternatively, in the present embodiment, the tension detecting member 32 is embodied as a tension sensor.
In this embodiment, the detection driving source 31 is an electric cylinder, and the electric cylinder has the advantages of high precision, high efficiency, low cost, environmental protection and safety. Of course, in other embodiments, the detection driving source 31 may be a cylinder, a linear motor, an oil cylinder, or other driving mechanism with a linear driving function.
In order to prevent an operator from clamping hands when placing a first workpiece on the clamping mechanism 2, the outer cover of the clamping mechanism 2 is provided with a protective cover 5, and the top of the protective cover 5 is provided with a protective avoiding space 51 for avoiding the clamping end of the clamping mechanism 2.
Fig. 2 shows a schematic structural diagram of the hidden shield 5 of the welding detection apparatus according to the present embodiment. Fig. 3 shows a schematic structural view of the clamping mechanism 2 provided in the present embodiment. As shown in fig. 2 to 3, the clamping mechanism 2 includes two oppositely disposed clamping members 23, and the two clamping members 23 are movable in directions approaching or separating from each other to clamp or unclamp the first workpiece. When the first workpiece needs to be fixed, the two clamping pieces 23 can move away from each other, so that a sufficient space for placing the first workpiece is opened between the two clamping pieces; after the first workpiece is placed between the two clamping members 23, the two clamping members 23 are moved in a direction to approach each other again to clamp and fix the first workpiece. It will be appreciated that the gripping end of the gripping mechanism 2 is the location where the two gripping members 23 grip the first workpiece.
Optionally, a rounded corner is adopted between the clamping surface and the top surface of the clamping piece 23, so that the sharp corner on the clamping piece 23 can be prevented from damaging the first workpiece, and the appearance quality of the first workpiece is ensured.
As further shown in fig. 2-3, the clamping mechanism 2 further comprises a mounting frame 21 and a clamping cylinder 22, and the mounting frame 21 is connected with the tension detecting member 32; a clamping cylinder 22 is provided to the mounting frame 21, the clamping cylinder 22 being configured to drive the two clamping members 23 to move in a direction approaching or moving away from each other. In one embodiment, the clamping cylinder 22 is a thumb cylinder, and the two clamping members 23 are respectively connected to two driving fingers of the thumb cylinder, so that the effect that only one clamping cylinder 22 is required to be arranged to simultaneously drive the two clamping members 23 to move is achieved, the size and the occupied area of the welding detection device can be reduced to a certain extent, and the processing cost can be reduced. In another embodiment, the number of the clamping cylinders 22 can be two, and the output end of each clamping cylinder 22 is connected with one clamping piece 23 respectively, so that the design can achieve the effect.
Optionally, a support 24 is further provided between the two clamping members 23, the support 24 being adapted to carry the first workpiece. Through setting up the support 24, can bear the weight of the bottom of first work piece to the position of waiting to weld of second work piece is fixed a position, makes things convenient for the mutual subsides of the position of waiting to weld of first work piece and second work piece to lean on.
In some embodiments, each clamping member 23 is connected with a supporting member 24, the supporting members 24 on two clamping members 23 are arranged in a staggered manner, and each clamping member 23 is further provided with a avoiding groove 231 for avoiding the opposite supporting member 24. Optionally, the clamping piece 23 and the corresponding supporting piece 24 are of an integrated structure, so that the processing is convenient, the link of mutual assembly among a plurality of parts can be saved, and the processing efficiency is improved. Of course, in other embodiments, the clamping member 23 and the corresponding supporting member 24 may be separate structures, and the supporting member 24 is connected to the corresponding clamping member 23 by welding, bolting, or the like.
As further shown in fig. 2, the welding detection device further comprises a base 1, and the clamping mechanism 2 is arranged on the base 1; a guide structure 4 is further arranged between the base 1 and the clamping mechanism 2, the guide structure 4 comprises a guide sliding rail 41 and a guide sliding block 42 which are in sliding fit, one of the guide sliding rail 41 and the guide sliding block 42 is arranged on the base 1, and the other is arranged at the bottom of the clamping mechanism 2. By providing the guiding structure 4, guiding can be provided for the movement of the clamping mechanism 2 relative to the base 1, and the stability of the relative movement between the two can be ensured. In the present embodiment, the guide rail 41 is disposed on the base 1, the guide slider 42 is disposed at the bottom of the mounting frame 21, and the extending direction of the guide rail 41 is parallel to the extending direction of the output end of the detection driving source 31. Of course, in other embodiments, the guide slider 42 may be disposed on the base 1, and the guide rail 41 may be disposed at the bottom of the mounting frame 21.
Optionally, the number of the guiding structures 4 is at least two, and at least two guiding structures 4 are arranged in parallel and at intervals, so as to further improve the stability of the relative movement of the clamping mechanism 2 and the base 1. In the present embodiment, the number of the guide structures 4 is two, so that the number of the guide structures 4 is reduced while the stability of the relative movement of the clamping mechanism 2 and the base 1 is ensured, thereby reducing the processing cost.
The embodiment also provides a welding detection method based on the welding detection device, which comprises the following steps:
fixing the first workpiece on the clamping mechanism 2, and enabling the position to be welded of the first workpiece to be abutted against the position to be welded of the second workpiece;
welding and fixing the first workpiece and the second workpiece by using a welding device;
the detection driving source 31 drives the clamping mechanism 2 to drive the first workpiece to move in a direction away from the second workpiece, meanwhile, the tension detection piece 32 detects the tension applied on the clamping mechanism 2 by the detection driving source 31, and the detection driving source 31 stops moving after the preset tension is reached;
observing whether the welding position of the first workpiece and the second workpiece is disconnected, if so, the finished product is disqualified; if not, the finished product is qualified.
According to the welding detection method, by means of the welding detection device, welding quality detection can be performed immediately after welding of the first workpiece and the second workpiece is completed, so that online detection is performed on a finished product, a step of transferring the finished product between a welding station and a detection station is omitted, time and labor are saved, detection efficiency can be improved, and the phenomenon of inaccurate detection results caused by uneven manual force application can be avoided; in addition, the first workpiece and the second workpiece can be subjected to nondestructive product quality detection after each welding, and qualified products can enter the next process, so that the yield of finished products is improved, waste can be avoided, and the detection cost is reduced.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. A welding inspection device, comprising:
the clamping mechanism (2) is used for clamping the first workpiece;
the tension detection mechanism (3) comprises a detection driving source (31) and a tension detection piece (32), wherein the output end of the detection driving source (31) is connected with the clamping mechanism (2) through the tension detection piece (32).
2. Welding inspection device according to claim 1, characterized in that the clamping mechanism (2) comprises:
the mounting frame (21) is connected with the tension detection piece (32);
two oppositely arranged clamping members (23);
and a clamping cylinder (22) arranged on the mounting frame (21), wherein the clamping cylinder (22) is configured to drive the two clamping pieces (23) to move towards or away from each other.
3. Welding inspection device according to claim 2, characterized in that a rounded transition is used between the clamping surface and the top surface of the clamping piece (23).
4. Welding inspection device according to claim 2, characterized in that a support (24) is further arranged between the two clamping members (23), the support (24) being adapted to carry the first workpiece.
5. Welding inspection device according to claim 4, characterized in that each clamping member (23) is connected with a supporting member (24), the supporting members (24) on both clamping members (23) are arranged in a staggered manner, and each clamping member (23) is further provided with a avoiding groove (231) for avoiding the opposite supporting member (24).
6. Welding inspection device according to claim 5, characterized in that the clamping element (23) is of integral or split construction with the corresponding support element (24).
7. Welding detection device according to claim 1, characterized in that the outer cover of the clamping mechanism (2) is provided with a protective cover (5), the top of the protective cover (5) is provided with a protective avoidance space (51) for avoiding the clamping end of the clamping mechanism (2).
8. The welding detection device according to any one of claims 1-7, characterized in that the welding detection device further comprises a base (1), the clamping mechanism (2) being arranged on the base (1); the novel clamping mechanism is characterized in that a guide structure (4) is further arranged between the base (1) and the clamping mechanism (2), the guide structure (4) comprises a guide sliding rail (41) and a guide sliding block (42) which are in sliding fit, one of the guide sliding rail (41) and the guide sliding block (42) is arranged on the base (1), and the other guide sliding rail is arranged at the bottom of the clamping mechanism (2).
9. Welding inspection device according to claim 8, characterized in that the number of guide structures (4) is at least two, at least two of the guide structures (4) being arranged in parallel and at intervals.
10. Welding detection method based on a welding detection device according to any of the claims 1-9, characterized in that the welding detection method comprises the steps of:
fixing the first workpiece on the clamping mechanism (2), and enabling the position to be welded of the first workpiece to be abutted against the position to be welded of the second workpiece;
welding and fixing the first workpiece and the second workpiece by using a welding device;
the detection driving source (31) drives the clamping mechanism (2) to drive the first workpiece to move in a direction away from the second workpiece, meanwhile, the tension detection piece (32) detects the tension applied by the detection driving source (31) on the clamping mechanism (2), and the detection driving source (31) stops moving after the preset tension is reached;
observing whether the welding position of the first workpiece and the second workpiece is disconnected, if so, the finished product is disqualified; if not, the finished product is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311796006.XA CN117760849A (en) | 2023-12-25 | 2023-12-25 | Welding detection device and welding detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311796006.XA CN117760849A (en) | 2023-12-25 | 2023-12-25 | Welding detection device and welding detection method |
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| CN117760849A true CN117760849A (en) | 2024-03-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133651A (en) * | 1997-07-10 | 1999-02-09 | Amada Eng Center:Kk | Work clamping method in plate stock working machine and its device |
| CN206038435U (en) * | 2016-09-22 | 2017-03-22 | 漳州万宝能源科技有限公司 | Cylindrical battery negative pole ear welding strength and insulating internal resistance detection device |
| CN108267368A (en) * | 2018-03-15 | 2018-07-10 | 河北银隆新能源有限公司 | Tensile test structure |
| CN110595888A (en) * | 2019-09-18 | 2019-12-20 | 昆山盟驰智能设备有限公司 | Tensile test equipment |
| CN115508196A (en) * | 2021-06-23 | 2022-12-23 | 神讯电脑(昆山)有限公司 | Welding strength testing device |
-
2023
- 2023-12-25 CN CN202311796006.XA patent/CN117760849A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133651A (en) * | 1997-07-10 | 1999-02-09 | Amada Eng Center:Kk | Work clamping method in plate stock working machine and its device |
| CN206038435U (en) * | 2016-09-22 | 2017-03-22 | 漳州万宝能源科技有限公司 | Cylindrical battery negative pole ear welding strength and insulating internal resistance detection device |
| CN108267368A (en) * | 2018-03-15 | 2018-07-10 | 河北银隆新能源有限公司 | Tensile test structure |
| CN110595888A (en) * | 2019-09-18 | 2019-12-20 | 昆山盟驰智能设备有限公司 | Tensile test equipment |
| CN115508196A (en) * | 2021-06-23 | 2022-12-23 | 神讯电脑(昆山)有限公司 | Welding strength testing device |
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