Information acquisition device for characteristic change of molten pool

Abstract

The utility model belongs to the technical field of information acquisition, and particularly relates to an information acquisition device for characteristic change of a molten pool, which comprises an acquisition unit, a monitoring head arranged on the surface of the acquisition unit, a connector arranged on one side of the acquisition unit, a mounting seat arranged on the back of the acquisition unit, a light filtering assembly arranged on the surface of the acquisition unit, and a light source arranged on the light filtering assembly. And a smoke removal assembly is arranged at the top of the collector, a mounting assembly penetrates through the interior of the mounting base, and a protection assembly is arranged on the side face of the collector. According to the utility model, the two jackets are shifted oppositely to enlarge the gap between the two jackets, at the moment, the rectangular optical filter used for filtering light is placed between the two jackets, then the two jackets are loosened to enable the first spring to drive the jackets to reset, and the two ends of the rectangular optical filter are fixed in the jackets; therefore, the rectangular optical filter is installed on one side of the monitoring head, so that the monitoring head can filter and shoot the welding position through the rectangular optical filter, and the accuracy of information collection is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of information collection, and in particular relates to an information collection device for changes in molten pool characteristics. Background Art

[0002] The molten pool refers to the part of the base material that is melted into a pool due to the heat of the welding arc. The liquid metal part with a certain geometric shape formed on the weldment during fusion welding is called the molten pool. Welding is one of the most important processes in the field of mechanical manufacturing. According to the nature, method, application occasions, etc. of welding, welding can be divided into manual welding, semi-automatic welding and automatic welding. In addition, during welding, information collection devices are required to collect information on changes in molten pool characteristics.

[0003] At present, in the process of collecting information on changes in molten pool characteristics, existing information collection devices usually need to use the monitoring head on the device to photograph the welding part before information processing can be performed. However, during welding, the welding part will generate strong light that interferes with the monitoring head's photography. If the monitoring head cannot effectively filter out this light, it will not be able to accurately collect information on changes in molten pool characteristics, thereby affecting the accuracy of information collection. Utility Model Content

[0004] The purpose of the utility model is to provide an information collection device for molten pool characteristic changes, aiming to solve the problem proposed in the prior art that in the process of collecting information on molten pool characteristic changes, the existing information collection device usually needs to use the monitoring head on the device to photograph the welding part in order to process the information, but during welding, the welding part will generate strong light that interferes with the monitoring head shooting, and if the monitoring head cannot effectively filter out the light, it will not be able to accurately collect information on the molten pool characteristic changes, thereby causing the problem of accuracy of information collection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an information collection device for changes in molten pool characteristics, comprising a collector, a monitoring head is arranged on the surface of the collector, a joint is arranged on one side of the collector, a mounting seat is arranged on the back of the collector, a filter component is arranged on the surface of the collector, a smoke removal component is arranged on the top of the collector, a mounting component is penetrated inside the mounting seat, and a protective component is arranged on the side of the collector;

[0006] The filter assembly includes a fixed seat, a fixed rod, a connecting block, a first spring, a jacket and a rectangular filter. The fixed seat is fixedly connected to the surface of the collector, the fixed rod is arranged in the inner cavity of the fixed seat, one end of the connecting block is sleeved on the outer wall of the fixed rod, the first spring is sleeved on the outer wall of the fixed rod, the jacket is fixedly connected to one end of the connecting block, and the rectangular filter is arranged on one side of the jacket.

[0007] As a preferred information collection device for molten pool characteristic changes of the utility model, the rectangular filter is located on one side of the monitoring head.

[0008] As a preferred information collection device for molten pool characteristic changes of the utility model, an opening is provided at the bottom of the fixing seat, and one end of the connecting block extends to the outside through the bottom opening of the fixing seat.

[0009] As a preferred information collection device for molten pool characteristic changes of the utility model, the jacket forms an elastic structure through a fixing rod, a connecting block, a first spring and a fixing seat, and the connecting block, the first spring and the jacket are symmetrically distributed in two groups.

[0010] As a preferred information collection device for changes in molten pool characteristics of the utility model, the smoke removal assembly includes a connecting seat, a slot, a second spring, a moving block, a pin, a shift block, a fan frame, an electric fan, an insertion block and a slot, the connecting seat is fixedly connected to the top of the collector, the slot is opened at the top of the connecting seat, the second spring is arranged in the inner cavity of the connecting seat, the moving block is connected to the end of the second spring, the pin is fixedly connected to one end of the moving block, the shift block is fixedly connected to the outer wall of the moving block, the fan frame is arranged at the top of the connecting seat, the electric fan is installed on one side of the fan frame, the insertion block is fixedly connected to the bottom of the fan frame, and the slot is opened on the outer wall of the insertion block.

[0011] As a preferred information collection device for molten pool characteristic changes of the utility model, the slot is adapted to the size of the insert block.

[0012] As a preferred information collection device for molten pool characteristic changes of the utility model, the electric fan forms an elastic snap-fit ​​structure through a slot, a second spring, a moving block, a latch, a shift block, a fan frame and a connecting seat.

[0013] As a preferred information collection device for changes in molten pool characteristics of the utility model, the mounting assembly includes a bidirectional screw, a threaded connecting block, a rotating rod, a connecting plate, a clamping block, an L-shaped connecting plate and a through hole, the bidirectional screw is inserted into the interior of the mounting seat, the threaded connecting block is threadedly connected to the outer wall of the bidirectional screw, the rotating rod is rotatably connected to the end of the threaded connecting block, the connecting plate is rotatably connected to the other end of the rotating rod, the clamping block is fixedly connected to one side of the connecting plate, the L-shaped connecting plate is fixedly connected to the outer wall of the collector, and the through hole is opened on the surface of the L-shaped connecting plate.

[0014] As a preferred information collection device for molten pool characteristic changes of the utility model, one end of the bidirectional screw rod forms a rotation connection structure with a mounting seat through a bearing.

[0015] As a preferred information collection device for molten pool characteristic changes of the utility model, the number and size of the card blocks and the through holes are matched.

[0016] As a preferred information collection device for molten pool characteristic changes of the utility model, the protective assembly includes two slide rails, a magnetic block and a protective cover, the two slide rails are connected to the sides of the collector, the magnetic block is connected to the top of the two slide rails, and the protective cover is located between the two slide rails.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. Through the setting of the filter component, when the light from the welding spot photographed by the monitoring head cannot be filtered out, the gap between the two jackets is enlarged by moving the two jackets in opposite directions. At this time, the rectangular filter used to filter the light is placed between the two jackets, and then the two jackets are loosened so that the first spring drives the jacket to reset, and the two ends of the rectangular filter are fixed in the jacket. At this point, the rectangular filter will be installed on one side of the monitoring head, so that the monitoring head can filter and photograph the welding spot through the rectangular filter, thereby ensuring the accuracy of the information collection of the characteristic changes of the molten pool.

[0019] 2. The electric fan is installed on the top of the connecting seat through the elastic snap-fit ​​structure between the electric fan and the connecting seat. When there is a lot of smoke at the welding place photographed by the monitoring head, the electric fan is started to remove the smoke, thereby preventing the smoke from interfering with the information collection of the changes in the molten pool characteristics.

[0020] 3. Through the setting of the installation component, when the collector needs to be disassembled, the two threaded connection blocks are moved toward each other by rotating the bidirectional screw counterclockwise. At the same time, the rotating rod will rotate, so that the block on one side of the connecting plate will be disengaged from the through hole. At this time, the collector can be directly removed, thereby improving the convenience of disassembly.

[0021] 4. By pulling the protective cover upward and moving it along the slide rail to the top, the protective cover will be adsorbed by the magnetic block because it is made of iron. At this time, the connector will be exposed for wiring. When the wire is broken, the protective cover can be pulled down to cover the connector, thereby protecting the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the collector of the utility model;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixing seat of the utility model;

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of the connecting seat of the utility model;

[0027] Figure 5 This is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the electric fan and the fan frame of the utility model;

[0029] Figure 7 This is a schematic diagram of the enlarged structure of A of the utility model;

[0030] Figure 8 It is a schematic diagram of the enlarged structure of B of the utility model.

[0031] In the figure: 1. collector; 2. monitoring head; 3. connector; 4. mounting seat; 5. fixing seat; 6. fixing rod; 7. connecting block; 8. first spring; 9. jacket; 10. rectangular filter; 11. connecting seat; 12. slot; 13. second spring; 14. moving block; 15. latch; 16. shift block; 17. fan holder; 18. electric fan; 19. plug-in block; 20. slot; 21. two-way lead screw; 22. threaded connecting block; 23. rotating rod; 24. connecting plate; 25. block; 26. L-shaped connecting plate; 27. through hole; 28. slide rail; 29. ​​magnetic block; 30. protective cover. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-Figure 8 The utility model provides the following technical solutions: an information collection device for changes in molten pool characteristics, comprising a collector 1, a monitoring head 2 is arranged on the surface of the collector 1, a connector 3 is arranged on one side of the collector 1, the connector 3 serves to connect with an external power source through a connecting line to provide power supply and data transmission, a mounting seat 4 is arranged on the back of the collector 1, a filter component is arranged on the surface of the collector 1, a smoke removal component is arranged on the top of the collector 1, a mounting component is penetrated inside the mounting seat 4, and a protective component is arranged on the side of the collector 1;

[0034] It is worth noting that the principle of information collection of molten pool characteristic changes is to use the principle of energy conservation. When a certain amount of energy is given to the welding part, the welding molten pool will have two results: ① lateral diffusion ② longitudinal deep melting, and finally a certain energy value N is given. This part of energy will be reflected in the molten pool volume V. Then, volume V = melting depth h × molten pool area S, where area S = π × r 2 , r is the radius of the molten pool. This radius r of the molten pool is the radius r in a single-point molten pool, and the width 2r of the molten pool in a weld. We use software and hardware to detect the change of the molten pool width 2r, calculate the change curve of the molten pool depth, and give a negative feedback control signal of the welding current / power through the difference between the abnormal value and the average value of the curve, so as to further control the output capacity change of the welding machine and achieve the purpose of stable welding;

[0035] The filter assembly includes a fixed seat 5, a fixed rod 6, a connecting block 7, a first spring 8, a jacket 9 and a rectangular filter 10. The fixed seat 5 is fixedly connected to the surface of the collector 1, the fixed rod 6 is arranged in the inner cavity of the fixed seat 5, one end of the connecting block 7 is sleeved on the outer wall of the fixed rod 6, the first spring 8 is sleeved on the outer wall of the fixed rod 6, the jacket 9 is fixedly connected to one end of the connecting block 7, and the rectangular filter 10 is arranged on one side of the jacket 9.

[0036] Preferably: the rectangular filter 10 is located on one side of the monitoring head 2, an opening is provided at the bottom of the fixing seat 5, and one end of the connecting block 7 extends to the outside through the bottom opening of the fixing seat 5, the jacket 9 forms an elastic structure with the fixing seat 5 through the fixing rod 6, the connecting block 7, the first spring 8, and the jacket 9, and the connecting block 7, the first spring 8 and the jacket 9 are symmetrically distributed in two groups.

[0037] When in use, the gap between the two jackets 9 is enlarged by moving the two jackets 9 in opposite directions. At this time, the rectangular filter 10 for filtering light is placed between the two jackets 9. Then, the two jackets 9 are loosened so that the first spring 8 drives the jacket 9 to reset, and the two ends of the rectangular filter 10 are fixed in the jacket 9. At this point, the rectangular filter 10 will be installed on one side of the monitoring head 2.

[0038] It should be noted that the rectangular filter 10 needs to be replaced with a rectangular filter 10 of different filtering colors according to actual usage.

[0039] Preferably: the smoke removal assembly includes a connecting seat 11, a slot 12, a second spring 13, a moving block 14, a latch 15, a shifting block 16, a fan frame 17, an electric fan 18, a plug-in block 19 and a slot 20, the connecting seat 11 is fixedly connected to the top of the collector 1, the slot 12 is opened at the top of the connecting seat 11, the second spring 13 is arranged in the inner cavity of the connecting seat 11, the moving block 14 is connected to the end of the second spring 13, the latch 15 is fixedly connected to one end of the moving block 14, and the shifting block 16 is connected to the fan frame 17, the electric fan 18, the plug-in block 19 and the slot 20. Block 16 is fixedly connected to the outer wall of the moving block 14, the fan frame 17 is arranged on the top of the connecting seat 11, the electric fan 18 is installed on one side of the fan frame 17, the plug-in block 19 is fixedly connected to the bottom of the fan frame 17, the slot 20 is opened on the outer wall of the plug-in block 19, the slot 12 is adapted to the size of the plug-in block 19, and the electric fan 18 forms an elastic snap-fit ​​structure with the connecting seat 11 through the slot 12, the second spring 13, the moving block 14, the latch 15, the shifting block 16, the fan frame 17 and the connecting seat 11.

[0040] When in use, the two shifting blocks 16 are shifted toward each other so that the moving block 14 drives the latch 15 to retract into the connecting seat 11, and then the inserting block 19 at the bottom of the fan frame 17 is inserted into the slot 12 and the shifting block 16 is released. At this time, the second spring 13 will reset the latch 15 to insert it into the slot 20. At this point, the electric fan 18 is installed. Then, when the smoke at the welding place photographed by the monitoring head 2 is large, the electric fan 18 can be started to remove smoke.

[0041] It should be noted that the connection terminal of the electric fan 18 is electrically connected to the collector 1 , and the electric fan 18 can be powered and switched on and off through the collector 1 .

[0042] Preferably: the mounting assembly comprises a bidirectional screw 21, a threaded connection block 22, a rotating rod 23, a connecting plate 24, a clamping block 25, an L-shaped connecting plate 26 and a through hole 27, the bidirectional screw 21 penetrates and is inserted into the interior of the mounting seat 4, the threaded connection block 22 is threadedly connected to the outer wall of the bidirectional screw 21, the rotating rod 23 is rotatably connected to the end of the threaded connection block 22, the connecting plate 24 is rotatably connected to the other end of the rotating rod 23, the clamping block 25 is fixedly connected to one side of the connecting plate 24, the L-shaped connecting plate 26 is fixedly connected to the outer wall of the collector 1, the through hole 27 is provided on the surface of the L-shaped connecting plate 26, one end of the bidirectional screw 21 forms a rotating connection structure with the mounting seat 4 through a bearing, and the number and size of the clamping block 25 and the through hole 27 are matched;

[0043] It should be noted that four mounting holes are provided on the surface of the mounting base 4 , and the mounting base 4 can be installed and fixed by screws, while the collector 1 can be removed or installed by rotating the bidirectional screw rod 21 .

[0044] When in use, the two-way screw rod 21 is rotated counterclockwise to make the two threaded connection blocks 22 move toward each other, and at the same time, the rotating rod 23 is rotated to make the block 25 on one side of the connecting plate 24 disengage from the through hole 27, and the collector 1 can be directly removed at this time;

[0045] On the contrary, during installation, the L-shaped connecting plates 26 on both sides of the monitoring head 2 are fitted with the two sides of the mounting base 4, and then the two-way screw rod 21 is rotated clockwise to make the two threaded connecting blocks 22 move toward each other. At the same time, the rotating rod 23 will rotate, so that the block 25 on one side of the connecting plate 24 extends outward until it is inserted into the through hole 27 to install and fix the collector 1.

[0046] Preferably: the protection assembly includes two slide rails 28, a magnetic block 29 and a protective cover 30, the two slide rails 28 are connected to the side of the collector 1, the magnetic block 29 is connected to the top of the two slide rails 28, and the protective cover 30 is located between the two slide rails 28;

[0047] It should be noted that the material of the protective cover 30 is iron, and the protective cover 30 and the two slide rails 28 are in a sliding connection structure.

[0048] When in use, by pulling the protective cover 30 upwards and moving it to the top along the slide rail 28, the protective cover 30 will be adsorbed by the magnetic block 29 due to its iron material. At this time, the connector 3 will be exposed for wiring. When the wire is broken, the protective cover 30 can be pulled downwards to cover the connector 3.

[0049] Working implementation principle: When using the information collection device for changes in molten pool characteristics, first, install the mounting seat 4 at a suitable position through the mounting holes on the surface of the mounting seat 4, and then, through the setting of the mounting assembly, fit the L-shaped connecting plates 26 on both sides of the monitoring head 2 with the two sides of the mounting seat 4, and then rotate the two-way screw rod 21 clockwise to make the two threaded connecting blocks 22 move toward each other. At the same time, the rotating rod 23 will rotate so that the block 25 on one side of the connecting plate 24 extends outward until it is inserted into the through hole 27 to install and fix the collector 1. After the protective cover 30 is pulled upward to move it along the slide rail 28 to the top, the protective cover 30 will be adsorbed with the magnetic block 29 because it is made of iron. At this time, the connector 3 will be exposed for wiring, and the connection between the electric fan 18 and the connecting seat 11 The elastic snap-fit ​​structure installs the electric fan 18 on the top of the connecting seat 11. When the smoke at the welding point photographed by the monitoring head 2 is large, the electric fan 18 is started to remove the smoke, thereby preventing the smoke from interfering with the information collection of the characteristic changes of the molten pool. When the light at the welding point photographed by the monitoring head 2 cannot be filtered out, the gap between the two jackets 9 is enlarged by moving the two jackets 9 in opposite directions. At this time, the rectangular filter 10 used to filter the light is placed between the two jackets 9, and then the two jackets 9 are loosened so that the first spring 8 drives the jacket 9 to reset, and the two ends of the rectangular filter 10 are fixed in the jacket 9. At this point, the rectangular filter 10 will be installed on one side of the monitoring head 2, so that the monitoring head 2 can filter the welding point through the rectangular filter 10 to ensure the accuracy of the information collection of the characteristic changes of the molten pool.

[0050] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An information collection device for molten pool characteristic changes, comprising a collector (1), characterized in that: The surface of the collector (1) is provided with a monitoring head (2), a joint (3) is provided on one side of the collector (1), a mounting seat (4) is provided on the back of the collector (1), a filter component is provided on the surface of the collector (1), a smoke removal component is provided on the top of the collector (1), a mounting component is passed through the interior of the mounting seat (4), and a protective component is provided on the side of the collector (1); The protection assembly comprises two slide rails (28), a magnetic block (29) and a protection cover (30), the two slide rails (28) are connected to the side of the collector (1), the magnetic block (29) is connected to the top of the two slide rails (28), and the protection cover (30) is located between the two slide rails (28); The filter assembly comprises a fixing seat (5), a fixing rod (6), a connecting block (7), a first spring (8), a jacket (9) and a rectangular filter (10); the fixing seat (5) is fixedly connected to the surface of the collector (1); the fixing rod (6) is arranged in the inner cavity of the fixing seat (5); one end of the connecting block (7) is sleeved on the outer wall of the fixing rod (6); the first spring (8) is sleeved on the outer wall of the fixing rod (6); the jacket (9) is fixedly connected to one end of the connecting block (7); and the rectangular filter (10) is arranged on one side of the jacket (9).

2. The device for collecting information on changes in molten pool characteristics according to claim 1, characterized in that: The rectangular filter (10) is located on one side of the monitoring head (2).

3. The device for collecting information on changes in molten pool characteristics according to claim 1, characterized in that: The bottom of the fixing seat (5) is provided with an opening, and one end of the connecting block (7) extends to the outside through the bottom opening of the fixing seat (5).

4. The device for collecting information on changes in molten pool characteristics according to claim 1, characterized in that: The jacket (9) forms an elastic structure through a fixing rod (6), a connecting block (7), a first spring (8) and a fixing seat (5), and the connecting block (7), the first spring (8) and the jacket (9) are symmetrically distributed in two groups.

5. The device for collecting information on changes in molten pool characteristics according to claim 1, characterized in that: The smoke removal assembly comprises a connecting seat (11), a slot (12), a second spring (13), a moving block (14), a latch (15), a shifting block (16), a fan frame (17), an electric fan (18), an inserting block (19) and a slot (20), wherein the connecting seat (11) is fixedly connected to the top of the collector (1), the slot (12) is opened at the top of the connecting seat (11), the second spring (13) is arranged in the inner cavity of the connecting seat (11), and the moving block (14) is fixedly connected to the top of the collector (1), the slot (12) is opened at the top of the connecting seat (11), the second spring (13) is arranged in the inner cavity of the connecting seat (11), and the moving block (14) is fixedly connected to the top of the collector (1), and the second spring (13) is arranged in the inner cavity of the connecting seat (11). (14) is connected to the end of the second spring (13), the latch (15) is fixedly connected to one end of the moving block (14), the shifting block (16) is fixedly connected to the outer wall of the moving block (14), the fan frame (17) is arranged on the top of the connecting seat (11), the electric fan (18) is installed on one side of the fan frame (17), the inserting block (19) is fixedly connected to the bottom of the fan frame (17), and the slot (20) is opened on the outer wall of the inserting block (19).

6. The device for collecting information on changes in molten pool characteristics according to claim 5, characterized in that: The slot (12) is adapted to the size of the insert block (19).

7. The device for collecting information on changes in molten pool characteristics according to claim 5, characterized in that: The electric fan (18) forms an elastic locking structure with the connecting seat (11) through the slot (12), the second spring (13), the moving block (14), the latch (15), the shifting block (16), the fan frame (17) and the connecting seat (11).

8. The device for collecting information on changes in molten pool characteristics according to claim 1, characterized in that: The mounting assembly comprises a bidirectional screw rod (21), a threaded connection block (22), a rotating rod (23), a connecting plate (24), a clamping block (25), an L-shaped connecting plate (26) and a through hole (27); the bidirectional screw rod (21) is inserted into the interior of the mounting seat (4); the threaded connection block (22) is threadedly connected to the outer wall of the bidirectional screw rod (21); the rotating rod (23) is rotatably connected to the end of the threaded connection block (22); the connecting plate (24) is rotatably connected to the other end of the rotating rod (23); the clamping block (25) is fixedly connected to one side of the connecting plate (24); the L-shaped connecting plate (26) is fixedly connected to the outer wall of the collector (1); and the through hole (27) is opened on the surface of the L-shaped connecting plate (26).

9. The device for collecting information on changes in molten pool characteristics according to claim 8, characterized in that: One end of the bidirectional screw rod (21) forms a rotation connection structure with the mounting seat (4) via a bearing.

10. The device for collecting information on changes in molten pool characteristics according to claim 8, characterized in that: The number and size of the clamping blocks (25) and the through holes (27) are matched.

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