CN117571709A

CN117571709A - Automatic arc welding production line detection device

Info

Publication number: CN117571709A
Application number: CN202410055934.9A
Authority: CN
Inventors: 孙健
Original assignee: Wuhan Dongtaisheng Machinery Co ltd
Current assignee: Wuhan Dongtaisheng Machinery Co ltd
Priority date: 2024-01-15
Filing date: 2024-01-15
Publication date: 2024-02-20
Anticipated expiration: 2044-01-15
Also published as: CN117571709B

Abstract

The application relates to an automatic arc welding production line detection device, which comprises a base, a shooting mechanism for detecting the appearance of a welding position of an object and a fixing mechanism for fixing the object, wherein the shooting mechanism is used for detecting the appearance of the welding position of the object; the shooting mechanism comprises a bracket fixed on the base, a rotating frame rotatably arranged on the bracket, a camera arranged on the rotating frame, an illumination component for supplementing light and a triggering component for triggering the illumination component to work; the illumination assembly comprises an illumination cylinder arranged on the rotating frame in a sliding manner, a light source fixed in the illumination cylinder and a convex lens arranged at the opening of the illumination cylinder, the illumination cylinder is obliquely arranged, and the illumination range of the illumination cylinder covers the area, opposite to shooting, of the camera; the support is also provided with a control mechanism for focusing the illumination assembly. The application has the effect of focusing and light supplementing to the shooting process, and improves the accuracy of arc welding shooting appearance detection.

Description

Automatic arc welding production line detection device

Technical Field

The application relates to the technical field of arc welding production lines, in particular to an automatic arc welding production line detection device.

Background

At present, arc welding is to take an electric arc as a heat source, and convert electric energy into heat energy and mechanical energy required by welding by utilizing the physical phenomenon of air discharge, so as to achieve the aim of connecting metals; the main methods include welding rod arc welding, submerged arc welding, gas shielded welding and the like, and the method is the most widely applied and important fusion welding method; on an arc welding production line, the welded welding wire needs to be detected.

The existing automatic arc welding production line detection equipment has the defects that: when welding wire detection is carried out, the welding wire is generally shot through a camera, so that the arc welding effect is obtained through careful observation, however, the shooting angle of the conventional camera is not comprehensive, only the welding wire is locally shot, the final accurate result cannot be obtained, and the detection result has errors or mistakes; the current method is to rotate the camera, so that the welding position can be shot in all directions, and the welding position can be detected in all directions.

The related art in the above has the following drawbacks: because the welding object has certain volume, when the appearance rotates to welding object below, partial light can be sheltered from this moment, if not in time adopts the light filling measure, even partial appearance of making a video recording has night vision function, still can lead to the camera to shoot the definition inadequately to the welding position, leads to unable accurate detection to the welding position.

Disclosure of Invention

In order to solve the problem that insufficient light affects shooting definition, the application provides an automatic arc welding production line detection device.

The application provides an automatic arc welding production line detection device adopts following technical scheme:

an automatic arc welding production line detection device comprises a base, a shooting mechanism for detecting the appearance of a welding position of an object and a fixing mechanism for fixing the object;

the shooting mechanism comprises a bracket fixed on the base, a rotating frame rotatably arranged on the bracket, a camera arranged on the rotating frame, an illumination component for supplementing light and a triggering component for triggering the illumination component to work;

the illumination assembly comprises an illumination cylinder arranged on the rotating frame in a sliding manner, a light source fixed in the illumination cylinder and a convex lens arranged at the opening of the illumination cylinder, the illumination cylinder is obliquely arranged, and the illumination range of the illumination cylinder covers the area, opposite to shooting, of the camera;

the support is also provided with a control mechanism for focusing the illumination assembly.

Still further, the triggering component comprises a light sensor, wherein the light sensor is arranged above the camera, and the light sensor is electrically connected with the light source.

Still further, still be provided with in the illumination section of thick bamboo and be used for right the convex lens carries out dust detection's view subassembly, view the subassembly including rotating board, ultraviolet lamp source, be used for right the convex lens carries out the clearance portion of clearance, the rotating board rotate set up in the illumination section of thick bamboo, illumination section of thick bamboo outer wall fixedly connected with is used for the drive rotating board pivoted looks over the motor, the axis of rotation of rotating board is located on the symmetry plane of rotating board, ultraviolet lamp source and the light source is located respectively the both sides of rotating board.

Still further, the clearance portion is including fixing clearance board, with clearance board rotates the clearance ring of being connected, fix the static dust removal paper on the clearance ring and be used for driving clearance ring pivoted clearance motor, the clearance board with the clearance ring passes through the clearance axle and rotates to be connected just the clearance axle is fixed in the perisporium of clearance ring, the static dust removal paper is close to the clearance ring is close to the opening part of illumination section of thick bamboo.

Still further, control mechanism including fix control frame on the rotating frame, elasticity set up in control needle on the control frame, be used for discernment control needle motion distance's identification component and be used for realizing that the object is located on the convex lens focus drive assembly, the control frame is provided with the control hole, control needle slide in the control hole is domestic, control needle outer wall fixed connection handle, the control needle be located the handle and the partial cover between the control frame is equipped with the spring, the spring both ends respectively with handle and control frame fixed connection, control needle initial position with convex lens tip is located the coplanar, the direction of motion of control needle is followed the direction of rays setting of photographic instrument.

Still further, the identification component comprises a first electromagnet, a color sensor, a pull rope, a first color sleeve, a focus color sleeve and a second color sleeve, wherein the first electromagnet is fixed on the control frame and is used for adsorbing the side wall of the control needle, the color sensor is arranged on the control frame, the color sensor and the focus color sleeve are positioned on the same plane, the first color sleeve, the focus color sleeve and the second color sleeve are sequentially arranged along the opposite direction of the movement of the control needle, the length dimension of the first color sleeve is equal to the focal length dimension of the convex lens, the focus color sleeve is used for marking that the object is positioned on the focus of the convex lens, and the second color sleeve is used for marking that the dimension between the object and the convex lens is larger than the focal length dimension of the convex lens; the control frame is also provided with three display lamps with different colors, the three display lamps are respectively and electrically connected with the color sensor, and the three display lamps are used for displaying the position relation of an object and the convex lens.

Still further, drive assembly is including being used for coiling the coiling portion of stay cord and be used for with stay cord with illumination section of thick bamboo end connection's connecting portion, the coiling portion includes the winding roller and is used for driving the pivoted coiling motor of winding roller, the winding roller rotate set up in the tail end of control needle, the one end of stay cord with winding roller outer wall fixed connection, the other end of stay cord with connecting portion are connected, color sensor with the stay cord tip is located the coplanar.

Still further, connecting portion include the reciprocating piece, be used for realizing the power piece of reciprocating piece motion, with power piece output fixed connection's second electro-magnet and with reciprocating piece outer wall fixed connection's adsorption plate, reciprocating piece's output with be provided with separable response subassembly between the illumination section of thick bamboo tip, reciprocating piece with the stay cord is kept away from control needle's one end fixed connection, the second electro-magnet is used for adsorbing the adsorption plate.

Still further, the reaction subassembly includes the third electro-magnet, with reciprocal spare output fixed connection's water pipe, set up in water supply portion on the water pipe, set up in the reaction tube of illumination section of thick bamboo tip, slide set up in reaction post on the reaction tube, with reaction post fixed connection's temperature sensor, be used for driving the driving piece of reaction post motion and be used for orientation provide quick lime's feeding portion in the reaction tube, the water pipe peg graft with in the reaction tube, the driving piece is fixed the tip inner wall of reaction tube, the reaction post with the adaptation of sliding of reaction tube, temperature sensor with coiling motor electric connection, the third electro-magnet is fixed at the reaction tube outer wall just third electro-magnet is used for adsorbing the water pipe outer wall, the third electro-magnet with temperature sensor electric connection.

Still further, the feeding part includes the feed box, and with feed tube of feed box opening part fixed connection, the reaction tube be provided with the feed port in with the position of feed tube connection, the reaction post initial position is located the feed port position just shelter from the feed port.

In summary, the beneficial technical effects of the application are:

(1) If the color sensor recognizes that the distance between the object and the convex lens is smaller than the focal length, the object is required to be pulled away from the object, at the moment, the shuttle is used for plugging the water pipe into the reaction pipe, the electromagnetic valve is opened, water flows into the water pipe, quicklime flows into the reaction pipe at the same time, the water pipe is plugged into the reaction pipe, the third electromagnet is contacted with the outer wall of the water pipe, after the water reacts with the quicklime (other reaction reagents can be selected in the embodiment, only the temperature change is required to be ensured), the temperature sensor monitors that the temperature rises, the third electromagnet is triggered to absorb the water pipe firstly, the winding roller is controlled to rotate through the winding motor after the shuttle is fixed with the light pipe, the stay cord is wound by the winding roller, the distance between the control needle and the object is the distance required to move by the light pipe, the focal color sleeve on the stay cord moves to the position of the color sensor, at the moment, the object is positioned at the focal position of the convex lens, the winding motor is stopped, the second electromagnet is adsorbed by the adsorption plate, the power piece is initially wound to the position of the shuttle, and finally the third electromagnet is separated from the roller, and the third electromagnet is released from the initial state;

(2) If the color sensor recognizes the second color sleeve, the distance between the object and the convex lens is proved to be larger than the focal length of the convex lens, at the moment, the reciprocating member and the illumination cylinder are fixed, the second electromagnet and the adsorption plate are adsorbed, the reciprocating member is driven to move towards the object through the power member, meanwhile, the pull rope is released until the focus color sleeve moves to the position of the color sensor, the driving of the power member can be stopped, and at the moment, the object is also positioned at the focus position of the convex lens;

(3) When the dust needs to be cleaned, the cleaning motor drives the cleaning ring to rotate, the cleaning mixture drives the electrostatic dust collection paper to rotate to the opening of the illumination barrel, the electrostatic dust collection paper is located above the convex lens, the distance between the electrostatic dust collection paper and the convex lens is short, dust on the convex lens is adsorbed by the electrostatic dust collection paper under the adsorption action of the electrostatic dust collection paper, the operation is circulated for a plurality of times until no fluorescent effect appears on the convex lens after the ultraviolet lamp source irradiates, and then the cleaning effect on the dust is completed.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of a photographing mechanism and a control mechanism in the embodiment of the present application.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Reference numerals: 1. a base; 2. a bracket; 3. a rotating frame; 4. a camera; 5. an illumination cylinder; 6. a light source; 7. a convex lens; 8. a clamping plate; 9. a support frame; 10. a fixing frame; 11. a light sensor; 12. a rotating plate; 13. an ultraviolet lamp source; 14. checking a motor; 15. a cleaning plate; 16. cleaning the ring; 17. electrostatic dust collection paper; 18. cleaning a motor; 19. a control rack; 20. a control needle; 21. a spring; 22. a handle; 23. a control hole; 24. a first electromagnet; 25. a color sensor; 26. a pull rope; 27. a first color sleeve; 28. a second color sleeve; 29. a focus color sleeve; 30. a winding roller; 31. a winding motor; 32. a shuttle; 33. a power member; 34. a second electromagnet; 35. an adsorption plate; 36. a third electromagnet; 37. a water pipe; 38. a water tank; 39. an electromagnetic valve; 40. a reaction tube; 41. a reaction column; 42. a temperature sensor; 43. a driving member; 44. a supply box; 45. a supply pipe; 46. a supply port.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The embodiment of the application discloses an automatic arc welding production line detection device. Referring to fig. 1 and 2, an automatic arc welding production line detection device includes base 1, be used for carrying out appearance detection's shooting mechanism and be used for carrying out fixed establishment to the object to object welding position, fixed establishment is including fixing the support frame 9 on base 1, slide the mount 10 that sets up on support frame 9, and two splint 8 that slide and set up on mount 10, support frame 9 is vertical setting, the direction of motion of mount 10 is along setting up towards shooting mechanism direction, the drive of mount 10 adopts electric putter or hydro-cylinder to realize, the direction of motion of two splint 8 is relative to setting up, select the transmission mode of using the double-end threaded rod in this embodiment or the drive mode of two electric putter all can, realize the direction motion that two splint 8 are close to each other or keep away from each other through the effect of double-end threaded rod and slide bar, the transmission between double-end threaded rod and the slide bar is prior art, this embodiment just no longer to be described, treat welded object under the effect of two splint 8.

The shooting mechanism comprises a bracket 2 fixed on the base 1, a rotating frame 3 rotatably arranged on the bracket 2, a camera 4 arranged on the rotating frame 3, an illumination component for supplementing light and a triggering component for triggering the illumination component to work; the support 2 is also vertical setting and with support frame 9 opposition setting, rotate through the rotation axis between rotating turret 3 and the support 2 and be connected, rotating turret 3 sets up to annular, the direction of motion of mount 10 and the axis direction parallel arrangement of rotation axis, support 2 fixedly connected with drive rotating turret 3 pivoted rotating electrical machines, photographic instrument 4 is fixed on rotating turret 3, and photographic instrument 4's ray sets up with the radial direction along rotating turret 3 cross-section circle, photographic instrument 4 just is to the object that awaits measuring, along with rotating turret 3 drives photographic instrument 4 rotation, photographic instrument 4 is awaited measuring the object and is shot, realize carrying out comprehensive detection to welding position outward appearance.

Referring to fig. 1 and 2, the illumination assembly comprises an illumination barrel 5 slidably arranged on a rotating frame 3, a light source 6 fixed in the illumination barrel 5 and a convex lens 7 arranged at the opening of the illumination barrel 5, wherein the illumination barrel 5 is obliquely arranged, and the illumination range of the illumination barrel 5 covers the area where the camera 4 is opposite to shooting; the light beam emitted by the illumination barrel 5 is obliquely arranged, but because the included angle between the extending direction of the illumination barrel 5 and the extending direction of the camera is small in the embodiment, the difference between the straight line distance from the camera to the object to be measured and the straight line distance from the convex lens 7 to the object to be measured is small in the embodiment, preferably regarded as the same, the light source 6 is arranged in the illumination barrel 5, the convex lens 7 is fixed at one end of the opening of the illumination barrel 5, the position of the convex lens 7 is close to the end of the opening of the illumination barrel 5, but is not completely flush with the end of the illumination barrel 5, when the distance from the corresponding position of the object to be measured to the convex lens 7 is equal to the focal length of the convex lens 7, the convex lens 7 is focused on the object to be measured, and the camera is further used for detecting the focusing position, although the camera with partial night vision function exists in the prior art, if the light beam is very bad, and because the embodiment needs to precisely detect the appearance of the welding position, after the object to be measured is ensured to realize the light focusing, the camera is favorable for shooting the camera.

The triggering component comprises a light sensor 11, the light sensor 11 is arranged above the camera 4, the light sensor 11 is electrically connected with the light source 6, the light sensor 11 is fixed on the rotating frame 3 and is close to the position of the camera, the light sensor 11 is connected with the light source 6 through the control of the PLC controller, the light sensor 11 is set to have illumination intensity, if the illumination intensity is lower than the set illumination intensity, the light sensor 11 triggers the light source 6 to start working, and the set illumination intensity is set according to the standard which can not influence the normal shooting of the camera.

Referring to fig. 1 and 2, in order to avoid dust affecting the focusing effect of the convex lens 7, a checking component for detecting dust of the convex lens 7 is further arranged in the illumination barrel 5, the checking component comprises a rotating plate 12, an ultraviolet lamp source 13 and a cleaning part for cleaning the convex lens 7, the rotating plate 12 is rotationally arranged in the illumination barrel 5, a rotating shaft of the rotating plate 12 is positioned on a symmetrical surface of the rotating plate 12, two ends of the rotating shaft are rotationally connected with the inner wall of the illumination barrel 5, a checking motor 14 for driving the rotating plate 12 to rotate is fixedly connected with the outer wall of the illumination barrel 5, and the ultraviolet lamp source 13 and the light source 6 are respectively positioned at two sides of the rotating plate 12, and because wires are soft, the mutual switching of the ultraviolet lamp source 13 and the light source 6 is not affected, and after the checking motor 14 controls the rotating plate 12 to rotate 180 degrees, the mutual switching of the ultraviolet lamp source 13 and the light source 6 can be achieved; when the dust on the convex lens 7 needs to be detected, the ultraviolet lamp source 13 is rotated to the irradiation position, and since tiny particles in the dust have scattering effect on ultraviolet rays, if dust is attached to the convex lens 7, obvious fluorescence is displayed under the ultraviolet rays, and if the convex lens 7 has fluorescence, the cleaning part is required to clean the dust.

Referring to fig. 1 and 2, the cleaning part includes the cleaning plate 15 fixed at the outer wall of the illumination tube 5, the cleaning ring 16 rotationally connected with the cleaning plate 15, the electrostatic precipitator paper 17 fixed on the cleaning ring 16, and the cleaning motor 18 for driving the cleaning ring 16 to rotate, the cleaning plate 15 rotationally connects with the cleaning ring 16 through the cleaning shaft and the cleaning shaft is fixed on the peripheral wall of the cleaning ring 16, the axial direction of the cleaning shaft is set along the length direction of the illumination tube 5, the cleaning plate 15 is fixed on one side of the illumination tube 5 far away from the photographic instrument 4, the diameter size of the cross section circle of the cleaning ring 16 is greater than the diameter size of the end face circle of the illumination tube 5, the electrostatic precipitator paper 17 is close to the opening of the cleaning ring 16, the electrostatic precipitator paper 17 is closely attached to the opening of the illumination tube 5, when dust is required to be cleaned, the cleaning motor 18 drives the cleaning ring 16 to rotate, the cleaning mix drives the electrostatic precipitator paper 17 to rotate to the opening of the illumination tube 5, the electrostatic precipitator paper 17 is located above the convex lens 7, the distance between the electrostatic precipitator paper 17 and the convex lens 7 is short, under the adsorption effect of the electrostatic precipitator paper 17, the convex lens 7 is adsorbed by the electrostatic precipitator paper 17, the electrostatic precipitator paper 17 is repeatedly turned over by the convex lens 7, and the dust is not irradiated by the fluorescent lamp 7, the dust is irradiated on the position of the convex lens 6, and the dust is completely irradiated on the dust source is the dust on the dust radiation source, and the dust is not irradiated on the dust is the dust on the surface of the convex lens.

As the rotating frame 3 rotates, the camera 4 shoots the welding position of the object to be measured, but firstly, after entering the area with insufficient light set in the embodiment, the light source 6 needs to be started to supplement light, in addition, as the distance between the object to be measured and the convex lens 7 changes, the light supplementing operation starts again, and the staff needs to adjust the position of the light barrel 5 according to the shape of the object to be measured or the distance between the object to be measured and the convex lens 7; the support 2 is also provided with a control mechanism for focusing the light source 6, the control mechanism comprises a control frame 19 fixed on the rotating frame 3, a control needle 20 elastically arranged on the control frame 19, an identification component for identifying the movement distance of the control needle 20 and a transmission component for realizing that an object is positioned on the focus of the convex lens 7, the control frame 19 is provided with a control hole 23, a part of the control needle 20 positioned between the handle 22 and the control frame 19 is sleeved with a spring 21, two ends of the spring 21 are respectively fixedly connected with the handle 22 and the control frame 19, the control needle 20 is initially positioned on the same plane with the end part of the convex lens 7, meanwhile, the convex lens 7 and the end part of the photographic instrument 4 are approximately on the same plane, the movement direction of the control needle 20 is arranged along the shooting direction of the photographic instrument 4, the movement direction of the control needle 20 is also arranged along the radial direction of the section circle of the rotating frame 3, and the spring 21 is in a stretched state in the initial state.

Referring to fig. 1 and 2, the identification assembly comprises a first electromagnet 24, a color sensor 25, a pull rope 26, a first color sleeve 27, a focus color sleeve 29 and a second color sleeve 28, wherein the first electromagnet 24 is fixed on the control frame 19 and is used for adsorbing the side wall of the control needle 20, so that when the end of the control needle 20 is positioned on the same plane with the convex lens 7, the first electromagnet 24 adsorbs the control needle 20, the spring 21 is in a stretched state, the color sensor 25 is fixed on the control frame 19, the color sensor 25 is flush with one end of the pull rope 26 in an initial state, the first color sleeve 27, the focus color sleeve 29 and the second color sleeve 28 are sequentially arranged along the opposite direction of the movement of the control needle 20, the colors of the first color sleeve 27, the focus color sleeve 29 and the second color sleeve 28 are different, in this embodiment, the length of the first color sleeve 27 is preferably black, red and green, the length of the first color sleeve 27 is equal to the focal length of the convex lens 7, when the pull rope 26 moves and passes through the color sensor 25 with the first color sleeve 27, the movement distance of the control needle 20 is equal to the focal length of the convex lens 7, the focal color sleeve 29 is used for marking that an object is positioned at the focal point of the convex lens 7, the second color sleeve 28 is used for marking that the size between the object and the convex lens 7 is larger than the focal length of the convex lens 7, and when the color sensor 25 moves to the position of the first color sleeve 27, the illumination cylinder 5 needs to be moved towards the object, and when the color sensor 25 moves to the position of the first color sleeve 27, the illumination cylinder 5 needs to be moved away from the object; the control frame 19 is further provided with three display lamps of different colors, the three display lamps are respectively connected with the color sensor 25 through different PLC controllers, the three display lamps are used for displaying the position relationship between the object and the convex lens 7, in this embodiment, the colors of the three display lamps are also different, and may be black, red and green, so that the color sensor 25 is respectively identified to correspond to the first color sleeve 27, the focus color sleeve 29 and the second color sleeve 28.

The transmission assembly comprises a winding part for winding the pull rope 26 and a connecting part for connecting the pull rope 26 with the end part of the illumination cylinder 5, wherein the winding part comprises a winding roller 30 and a winding motor 31 for driving the winding roller 30 to rotate, the winding roller 30 is rotatably arranged at the tail end of the control needle 20, the axial direction of the winding roller 30 is arranged along the width direction of the section of the tail end of the control needle 20, one end of the pull rope 26 is fixedly connected with the outer wall of the winding roller 30, in the embodiment, one end of the pull rope 26 is adhered with the peripheral wall of the winding roller 30 through bolts or glue, the other end of the pull rope 26 is connected with the connecting part, and the color sensor 25 and the end part of the pull rope 26 are positioned on the same plane in the initial state. The first electromagnet 24 is electrified and magnetized, and is powered off and demagnetized, the first electromagnet 24 is demagnetized, at this moment, the control needle 20 moves towards an object to be detected under the action of the elastic force of the spring 21, at this moment, the control needle 20 drives the pull rope 26 to move together, when the tip of the control needle 20 is abutted against the object, if the color sensor 25 is located at the focus color sleeve 29, at first, the corresponding display lamp is on, and the position of the illumination cylinder 5 is not required to be adjusted, and if the color sensor 25 is located at the first color sleeve 27 or the second color sleeve 28, the position of the illumination cylinder 5 is required to be adjusted while the corresponding display lamp is on.

Referring to fig. 1 and 2, the connecting portion includes a reciprocating member 32, a power member 33 for realizing the movement of the reciprocating member 32, a second electromagnet 34 fixedly connected with the output end of the power member 33, and an adsorption plate 35 fixedly connected with the outer wall of the reciprocating member 32, a separable reaction component is arranged between the output end of the reciprocating member 32 and the end of the lighting tube 5, the power member 33 is fixed on the rotating frame 3, the reciprocating member 32 and one end of the pull rope 26, which is far away from the control needle 20, are fixedly connected, the second electromagnet 34 is used for the adsorption plate 35, the reciprocating member 32 and the power member 33 can be all arranged as electric push rods or cylinders, the inclination direction of the reciprocating member 32 is consistent with the inclination direction of the lighting tube 5, and the movement direction of the reciprocating member 32 and the lighting tube 5 is the same, the rotating frame 3 is provided with a sliding sleeve for the reciprocating member 32 and the lighting tube 5, and the cleaning plate 15 is arranged on the outer side of the sliding sleeve, so that the cleaning plate 15 is prevented from influencing the sliding of the lighting tube 5, the control frame 19 and the rotating frame 3 are provided with a plurality of guide rollers for guiding the pull rope 26, and simultaneously, the pull rope 26 is also convenient to guarantee to be in a straight state when the reciprocating member 26 is in the state and the output end of the pull rope 26 is connected with the reciprocating member 32 and the lighting tube 5, and the lighting tube 30 is driven to move together.

Referring to fig. 2 and 3, the reaction assembly includes a third electromagnet 36, a water pipe 37 fixedly connected with the output end of the reciprocating member 32, a water supply part arranged on the water pipe 37, a reaction pipe 40 arranged at the end of the illumination cylinder 5, a reaction column 41 slidingly arranged on the reaction pipe 40, a temperature sensor 42 fixedly connected with the reaction column 41, a driving member 43 for driving the reaction column 41 to move, and a supply part for providing quicklime towards the inside of the reaction pipe 40, wherein the water pipe 37 is inserted into the reaction pipe 40, the driving member 43 is fixed on the inner wall of the end of the reaction pipe 40, the reaction column 41 slidingly fits with the reaction pipe 40, the water pipe 37 is inserted into the reaction pipe 40, the driving member 43 is also arranged as an electric push rod, the length direction of the water pipe 37 is arranged along the moving direction of the reciprocating member 32, the water supply part includes a water tank 38 and an electromagnetic valve 39, the water tank 38 is fixed at a position of the water tank 38 far from the opening, the electromagnetic valve 39 is arranged at a water outlet position of the water tank 38, the water outlet of the water tank 38 is communicated with the water outlet of the water tank 37, when the water pipe 37 is inserted into the reaction pipe 40, the water tank is still positioned outside the reaction pipe 40; the temperature sensor 42 reacts the end of the column 41 toward the opening of the reaction tube 40. The third electromagnet 36 is fixed on the outer wall of the reaction tube 40, the third electromagnet 36 is used for adsorbing the outer wall of the water tube 37, the third electromagnet 36 is electrically connected with the temperature sensor 42, the temperature sensor 42 is connected with the third electromagnet 36 through PLC control, and meanwhile, the temperature sensor 42 is connected with the winding motor 31 through different PLC controllers.

Referring to fig. 2 and 3, the supply part includes a supply box 44 and a supply pipe 45 fixedly connected to an opening of the supply box 44, the reaction pipe 40 is provided with a supply port 46 at a position connected to the supply pipe 45, the initial position of the reaction column 41 is located at the position of the supply port 46 and shields the supply port 46, at this time, quicklime is located in the supply pipe 45 and falls from the supply port 46, a pressing plate which reciprocates may be provided in the supply box 44 to ensure that quicklime enters the reaction pipe 40, the same as in the water tank 38 is provided, when quicklime is required to enter the reaction pipe 40, the reaction column 41 is controlled to move toward the inside of the reaction pipe 40, the supply port 46 is unblocked, the quicklime in the supply pipe 45 falls from the supply port 46 and covers the temperature sensor 42, an electromagnet may be provided on the turret 3 to adsorb the light cartridge 5, when the illumination cylinder 5 is required to move, the electromagnet is powered off, and when the illumination cylinder 5 is not required to move, the illumination cylinder 5 is adsorbed, when the water pipe 37 is inserted into the reaction pipe 40, the electromagnetic valve 39 is opened, water flows into the water pipe 37, and quicklime flows into the reaction pipe 40 at the same time, the water pipe 37 is inserted into the reaction pipe 40, the third electromagnet 36 is in contact with the outer wall of the water pipe 37, and when the water reacts with the quicklime (other reaction reagents can be selected in the embodiment, only the temperature change is required), the temperature sensor 42 monitors the temperature rise, the third electromagnet 36 is triggered to adsorb the water pipe 37 at first, the effect of fixing the shuttle 32 and the illumination cylinder 5 is realized, and the effect of controlling the positions of the control needle 20 and the illumination cylinder 5 by the pull rope 26 can be realized; after the quicklime reaction is completed, the reaction column 41 may push out the reacted quicklime from the reaction tube 40.

The implementation principle of the automatic arc welding production line detection device provided by the embodiment of the application is as follows: when the dust on the convex lens 7 needs to be detected, the ultraviolet lamp source 13 is rotated to the irradiation position, and tiny particles in the dust have scattering effect on ultraviolet rays, so that if the dust is attached to the convex lens 7, obvious fluorescence is displayed under the ultraviolet rays, and if the convex lens 7 has fluorescence, the cleaning part is required to clean the dust; when the dust needs to be cleaned, the cleaning motor 18 drives the cleaning ring 16 to rotate, the cleaning mixture drives the electrostatic dust collection paper 17 to rotate to the opening of the illumination barrel 5, the electrostatic dust collection paper 17 is located above the convex lens 7, the distance between the electrostatic dust collection paper 17 and the convex lens 7 is short, the dust on the convex lens 7 is adsorbed by the electrostatic dust collection paper 17 under the adsorption action of the electrostatic dust collection paper 17, the operation is circulated for a plurality of times until the fluorescent effect does not appear on the convex lens 7 after the ultraviolet lamp source 13 irradiates, and the cleaning effect on the dust is completed.

Along with the rotation of the rotating frame 3 driving the camera 4, the camera 4 shoots an object to be detected, so as to realize comprehensive detection of the appearance of the welding position, if the illumination intensity light sensor 11 is lower than the preset value, the trigger light source 6 starts to work, and when the color sensor 25 recognizes the focus color sleeve 29, the position of the illumination barrel 5 does not need to be moved at the moment.

If the color sensor 25 recognizes that the distance between the object and the convex lens 7 is smaller than the focal length when recognizing the first color sleeve 27, the third electromagnet 36 is triggered to absorb the water pipe 37, the shuttle 32 and the light pipe 5 are fixed, the winding roller 30 is controlled to rotate by the winding motor 31, the winding roller 30 winds the pull rope 26, the distance between the control needle 20 and the object is the distance required to move by the winding roller 30 after the length of the first color sleeve 27 is subtracted by the distance between the control needle 20 and the object, and the third electromagnet 36 is inserted into the reaction pipe 40 and contacts with the outer wall of the water pipe 37, when the water reacts with the quicklime (other reaction reagents can be selected in the embodiment), the temperature sensor 42 monitors that the temperature is increased, the third electromagnet 36 is triggered to absorb the water pipe 37, the shuttle 32 and the light pipe 5 are fixed, the distance between the winding roller 30 is controlled by the winding motor 31, the distance required to move by the light pipe 5 until the focal color sleeve 29 on the pull rope 26 moves to the motor position of the color sensor 25, and the electromagnet 31 is stopped to move from the first position to the first electromagnet 33, and finally the power is released to the first electromagnet 33, and the power is released from the first electromagnet 33 to the position of the power roller 35.

If the color sensor 25 recognizes the second color sleeve 28, it proves that the distance between the object and the convex lens 7 is larger than the focal length of the convex lens 7, at this time, the reciprocating member 32 and the lighting tube 5 are fixed, the second electromagnet 34 and the adsorption plate 35 are adsorbed, the reciprocating member 32 is driven to move towards the object through the power member 33, meanwhile, the pull rope 26 is released until the focus color sleeve 29 moves to the position of the color sensor 25, and the driving of the power member 33 can be stopped, and at this time, the object is also positioned at the focus position of the convex lens 7.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An automatic arc welding production line detection device is characterized by comprising a base (1), a shooting mechanism for detecting the appearance of a welding position of an object and a fixing mechanism for fixing the object;

the shooting mechanism comprises a bracket (2) fixed on the base (1), a rotating frame (3) rotatably arranged on the bracket (2), a camera (4) arranged on the rotating frame (3), an illumination component for supplementing light and a triggering component for triggering the illumination component to work;

the illumination assembly comprises an illumination cylinder (5) arranged on the rotating frame (3) in a sliding manner, a light source (6) fixed in the illumination cylinder (5) and a convex lens (7) arranged at the opening of the illumination cylinder (5), the illumination cylinder (5) is obliquely arranged, and the illumination range of the illumination cylinder (5) covers the area, which is opposite to shooting, of the camera (4);

the support (2) is also provided with a control mechanism for focusing the illumination assembly.

2. An automated arc welding line inspection device according to claim 1, characterized in that the triggering assembly comprises a light sensor (11), the light sensor (11) being arranged above the camera (4), the light sensor (11) being electrically connected to the light source (6).

3. An automatic arc welding production line detection device according to claim 2, characterized in that, still be provided with in the illumination section of thick bamboo (5) and be used for right the subassembly is looked over in dust detection is carried out to convex lens (7), look over the subassembly and include rotating plate (12), ultraviolet lamp source (13), be used for right the clearance portion that convex lens (7) were cleared up, rotating plate (12) rotate set up in illumination section of thick bamboo (5), illumination section of thick bamboo (5) outer wall fixedly connected with is used for driving rotating plate (12) pivoted is looked over motor (14), the axis of rotation of rotating plate (12) is located on the symmetry plane of rotating plate (12), ultraviolet lamp source (13) and light source (6) are located respectively rotating plate (12) both sides.

4. An automated arc welding production line detection apparatus according to claim 3, wherein the cleaning part comprises a cleaning plate (15) fixed on the outer wall of the illumination cylinder (5), a cleaning ring (16) rotatably connected with the cleaning plate (15), electrostatic dust collection paper (17) fixed on the cleaning ring (16), and a cleaning motor (18) for driving the cleaning ring (16) to rotate, the cleaning plate (15) and the cleaning ring (16) are rotatably connected through a cleaning shaft, the cleaning shaft is fixed on the peripheral wall of the cleaning ring (16), and the electrostatic dust collection paper (17) is close to the opening of the cleaning ring (16) close to the illumination cylinder (5).

5. An automated arc welding production line detection device according to claim 2, characterized in that the control mechanism comprises a control frame (19) fixed on the rotating frame (3), a control needle (20) elastically arranged on the control frame (19), an identification component for identifying the movement distance of the control needle (20) and a transmission component for realizing that an object is positioned on the focus of the convex lens (7), the control frame (19) is provided with a control hole (23), the control needle (20) slides in the control hole (23), the outer wall of the control needle (20) is fixedly connected with a handle (22), a spring (21) is sleeved on the part of the control needle (20) between the handle (22) and the control frame (19), two ends of the spring (21) are fixedly connected with the handle (22) and the control frame (19) respectively, the initial position of the control needle (20) and the end of the convex lens (7) are positioned on the same plane, and the movement direction of the control needle (20) is arranged along the direction of the photographic instrument (4).

6. An automated arc welding line inspection device according to claim 5, characterized in that the identification assembly comprises a first electromagnet (24), a color sensor (25), a pull cord (26), a first color sleeve (27), a focus color sleeve (29) and a second color sleeve (28), the first electromagnet (24) being fixed on the control frame (19) and being used for adsorbing the side wall of the control needle (20), the color sensor (25) being arranged on the control frame (19) and the color sensor (25) being located in the same plane as the focus color sleeve (29), the first color sleeve (27), the focus color sleeve (29) and the second color sleeve (28) being arranged in sequence along the opposite direction of the movement of the control needle (20), the first color sleeve (27) having a length dimension equal to the focal length dimension of the convex lens (7), the focus color sleeve (29) being used for identifying that the object is located on the focal point of the convex lens (7), the second color sleeve (28) being used for identifying that the object is located between the focal length dimension of the convex lens (7) and the convex lens (7); the control frame (19) is also provided with three display lamps with different colors, the three display lamps are respectively and electrically connected with the color sensor (25), and the three display lamps are used for displaying the position relationship between an object and the convex lens (7).

7. The automatic arc welding production line detection device according to claim 6, wherein the transmission assembly comprises a winding part for winding the pull rope (26) and a connecting part for connecting the pull rope (26) with the end part of the illumination cylinder (5), the winding part comprises a winding roller (30) and a winding motor (31) for driving the winding roller (30) to rotate, the winding roller (30) is rotatably arranged at the tail end of the control needle (20), one end of the pull rope (26) is fixedly connected with the outer wall of the winding roller (30), the other end of the pull rope (26) is connected with the connecting part, and the color sensor (25) and the end part of the pull rope (26) are located on the same plane.

8. The automatic arc welding production line detection device according to claim 7, wherein the connecting portion comprises a reciprocating piece (32), a power piece (33) for realizing the movement of the reciprocating piece (32), a second electromagnet (34) fixedly connected with the output end of the power piece (33) and an adsorption plate (35) fixedly connected with the outer wall of the reciprocating piece (32), a separable reaction assembly is arranged between the output end of the reciprocating piece (32) and the end part of the illumination cylinder (5), the reciprocating piece (32) is fixedly connected with one end, far away from the control needle (20), of the stay cord (26), and the second electromagnet (34) is used for adsorbing the adsorption plate (35).

9. The automatic arc welding production line detection device according to claim 8, wherein the reaction assembly comprises a third electromagnet (36), a water pipe (37) fixedly connected with the output end of the reciprocating member (32), a water supply part arranged on the water pipe (37), a reaction pipe (40) arranged at the end part of the illumination cylinder (5), a reaction column (41) slidingly arranged on the reaction pipe (40), a temperature sensor (42) fixedly connected with the reaction column (41), a driving member (43) for driving the reaction column (41) to move, and a supply part for providing quicklime towards the inside of the reaction pipe (40), the water pipe (37) is inserted into the reaction pipe (40), the driving member (43) is fixed on the inner wall of the end part of the reaction pipe (40), the reaction column (41) is slidingly matched with the reaction pipe (40), the temperature sensor (42) is electrically connected with the winding motor (31), the third electromagnet (36) is fixed on the outer wall of the reaction pipe (40) and is electrically connected with the third electromagnet (36).

10. The automatic arc welding production line detection device according to claim 9, wherein the supply part comprises a supply box (44) and a supply pipe (45) fixedly connected with an opening of the supply box (44), the reaction pipe (40) is provided with a supply port (46) at a position connected with the supply pipe (45), and the initial position of the reaction column (41) is located at the position of the supply port (46) and shields the supply port (46).