CN113523526B - Welding head replacing device for welding processing of automobile frame - Google Patents
Welding head replacing device for welding processing of automobile frame Download PDFInfo
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- CN113523526B CN113523526B CN202110714651.7A CN202110714651A CN113523526B CN 113523526 B CN113523526 B CN 113523526B CN 202110714651 A CN202110714651 A CN 202110714651A CN 113523526 B CN113523526 B CN 113523526B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/318—Supporting devices for electrode holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Resistance Welding (AREA)
Abstract
The invention provides a welding head replacing device for welding processing of an automobile frame, which comprises: the welding driving arm is characterized in that a chimeric connecting groove is formed in the front end of the welding driving arm, a plurality of positioning sliding blocks are arranged on the inner side of the chimeric connecting groove, a pneumatic connecting sleeve is arranged at the center of the chimeric connecting groove, and a connecting hose is arranged on the rear side of the pneumatic connecting sleeve; and the welding head storage rack is uniformly arranged on the outer side of the welding driving arm in a surrounding manner. The welding head storage frames are arranged on the outer side of the welding driving arm in a surrounding mode, each welding head storage frame can store one movable spot welding frame, the movable spot welding frames are provided with welding sites with different sizes and shapes, spot welding processing can be conducted on frames with various sizes and shapes, each movable spot welding frame is provided with a telescopic overturning folding structure, the telescopic overturning folding structure can be rapidly replaced, different processing and welding requirements can be met, and processing flexibility is higher.
Description
Technical Field
One or more embodiments of the present specification relate to the technical field of automobile production, and in particular, to an apparatus for replacing a welding head in welding processing of an automobile frame.
Background
The stress of automobile parts is relatively complex, the welding quality, the mechanical strength and the fatigue life of materials brought by the welding quality, the load and the force are born, the effect of large bending moment and torque is borne, the quality, the reliability and the use safety of vehicles are directly influenced, good welding processing is the basis for ensuring the high efficiency, the high quality and the reliability of the automobile parts, and the welding processing of automobile frames generally uses a welding manipulator which can stabilize and improve the welding quality, reflect the welding quality in a numerical form, improve the labor intensity of workers and reduce the requirements on the operation technology of the workers.
The applicant finds that the welding of the current frame is usually fixed by using high-current resistance spot welding, and the welding is fixed by assisting laser welding, the material, the size and the thickness of each part of the frame are different, the size of current resistance spot welding is different, the frame structure is complex, spot welding is carried out to ensure that spot welding connecting arms with different sizes and lengths are needed, so that the frame is welded and machined, welding heads with various sizes and welding points are needed to be arranged, the size and the shape are machined, the current welding heads are complex and troublesome to replace and adjust, corresponding pipelines are needed to be additionally connected and arranged, and a plurality of welding manipulators loaded with different welding heads are generally arranged on a production line, but the whole complexity of the production line is higher and is more wasted.
Disclosure of Invention
In view of this, an object of one or more embodiments of the present disclosure is to provide a welding head replacing device for welding and processing an automobile frame, so as to solve the problems that welding heads with various sizes, sizes and shapes are often required to be arranged for processing during welding and processing of the frame, the current welding head replacement and adjustment are complicated and troublesome, corresponding pipelines need to be additionally connected and arranged, and the production line for arranging various welding heads is too complicated and wasteful.
In view of the above objects, one or more embodiments of the present specification provide an apparatus for replacing a welding head in welding processing of an automobile frame, including:
the welding driving arm is provided with an embedded connecting groove at the front end, a plurality of positioning sliding blocks are arranged on the inner side of the embedded connecting groove, a pneumatic connecting sleeve is arranged at the center of the embedded connecting groove, a connecting hose is arranged on the rear side of the pneumatic connecting sleeve, a circuit connecting insertion sheet is arranged around the outer side of the pneumatic connecting sleeve, and an external cable is arranged on the rear side of the circuit connecting insertion sheet;
the welding head storage rack is uniformly arranged on the outer side of the welding driving arm in a surrounding manner, a locking lantern ring is arranged at the rear end of the welding head storage rack, a hydraulic telescopic rod is arranged in the middle of the welding head storage rack, and fixed guide sleeves are symmetrically arranged on the left side and the right side of the hydraulic telescopic rod in parallel;
the turning adjusting frame is arranged at the front end of the hydraulic telescopic rod, telescopic guide rods are arranged on the left side and the right side of the turning adjusting frame, a turning rotating shaft is arranged at the front end of the turning adjusting frame, and a driving motor is arranged in the middle of the turning rotating shaft;
the movable spot welding frame is arranged on the inner side of the welding head storage frame, a pneumatic push rod is arranged in the middle of the movable spot welding frame, a pneumatic connecting pipe is arranged on the rear side of the pneumatic push rod, guide slide rods are symmetrically arranged on the left side and the right side of the pneumatic push rod, a C-shaped fixed arm is arranged at the front end of the movable spot welding frame, and a fixed spot welding head is arranged at the front end of the C-shaped fixed arm;
the movable pressing frame is arranged on the lower side of the C-shaped fixed arm, a pressing sliding sleeve is arranged at the rear end of the movable pressing frame, and a pressing spot welding head is arranged at the front end of the movable pressing frame; the pneumatic connecting device comprises an embedded connecting block, a plurality of positioning sliding grooves are formed in the outer side of the embedded connecting block, a pneumatic connecting insertion pipe is arranged in the center of the embedded connecting block, a circuit connecting insertion groove is formed in the outer side of the pneumatic connecting insertion pipe in a surrounding mode, and the circuit connecting insertion groove and the circuit connecting insertion sheet are matched in size;
the rear end of the turning adjusting frame is connected with the front end of the telescopic guide rod, the turning adjusting frame is connected with the fixed guide sleeve in a sliding mode through the telescopic guide rod, and the movable spot welding frame is connected with the turning adjusting frame in a rotating mode through the turning rotating shaft;
the movable moving frame is connected with the guide sliding rod in a sliding mode through the moving sliding sleeve, and the axial center line of the moving spot welding head and the axial center line of the fixed point welding head are located on the same straight line;
the size of the embedded connecting block is matched with that of the embedded connecting groove, the positioning sliding grooves are in one-to-one correspondence with the positioning sliding blocks, and the size of the positioning sliding grooves is matched with that of the positioning sliding blocks.
In some optional embodiments, the rear end of the turning adjusting frame is connected with the front end of the telescopic guide rod, the turning adjusting frame is slidably connected with the fixed guide sleeve through the telescopic guide rod, and the movable spot welding frame is rotatably connected with the turning adjusting frame through the turning rotating shaft.
In some optional embodiments, a fixing clamping groove is formed in the middle of the turnover adjusting frame, and the locking clamping block and the fixing clamping groove are mutually matched in size.
In some optional embodiments, a plurality of locking clamping grooves are uniformly arranged on the outer side wall of the embedded connecting block in a surrounding mode, and the locking clamping grooves and the locking clamping blocks are matched with each other in size.
In some alternative embodiments, the pneumatic connection cannula and the pneumatic connection sleeve are cooperatively dimensioned.
In some alternative embodiments, the rear sides of the pressure spot welding head and the fixed spot welding head are provided with connecting cables, and the pressure spot welding head and the fixed spot welding head are electrically connected with the circuit connecting elastic sheet through the connecting cables.
In some optional embodiments, the circuit connection insertion piece and the circuit connection slot are mutually matched in size, and the connection cable is electrically connected with the external cable through the circuit connection insertion piece and the circuit connection elastic piece.
As can be seen from the foregoing, in the welding head replacing device for welding and processing an automobile frame provided in one or more embodiments of the present disclosure, the welding head can be connected and fixed to the front end of the corresponding welding arm through the welding driving arm, a plurality of welding head storage frames are disposed around the outer side of the welding driving arm, each welding head storage frame can store one movable spot welding frame, the movable spot welding frames have welding sites with different sizes and shapes, resistance spot welding processing can be performed on frames with various sizes and shapes, each movable spot welding frame is provided with a telescopic turning and folding structure, and can be turned forwards in a telescopic manner to perform welding processing at the front end of the welding driving arm, and the movable spot welding frames and the welding driving arm are correspondingly provided with tabling connection structures, so that the movable spot welding frames can be quickly connected in a telescopic tabling manner, and a quick connection structure of a circuit and a pneumatic quick replacement structure is further provided therebetween, so that the circuit and a pneumatic pipeline can be synchronously connected when the movable spot welding frames are installed, thereby performing welding on the movable spot welding frames to adapt to different processing requirements, and the processing flexibility is higher.
Drawings
In order to more clearly illustrate one or more embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly described below, it is obvious that the drawings in the following description are only examples of one or more embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic front view of one or more embodiments of the present disclosure;
FIG. 2 is a schematic front view of a fully stowed configuration in accordance with one or more embodiments of the present disclosure;
FIG. 3 is a schematic diagram of a longitudinal cross-section of one or more embodiments of the present disclosure;
FIG. 4 is a schematic diagram illustrating the construction of a welding actuator arm according to one or more embodiments of the present disclosure;
FIG. 5 is a schematic structural diagram of a roll-over adjustment bracket according to one or more embodiments of the present disclosure;
fig. 6 is a schematic structural diagram of a mobile spot-welding stand according to one or more embodiments of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
It is to be noted that technical terms or scientific terms used herein should have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In one or more embodiments of the present specification, an apparatus for replacing a welding head in a welding process for an automobile frame includes:
the welding driving arm comprises a welding driving arm 1, wherein a chimeric connecting groove 101 is formed in the front end of the welding driving arm 1, a plurality of positioning sliding blocks 102 are arranged on the inner side of the chimeric connecting groove 101, a pneumatic connecting sleeve 103 is arranged at the center of the chimeric connecting groove 101, a connecting hose 104 is arranged on the rear side of the pneumatic connecting sleeve 103, a circuit connecting inserting piece 105 is arranged on the outer side of the pneumatic connecting sleeve 103 in a surrounding mode, and an external cable 106 is arranged on the rear side of the circuit connecting inserting piece 105;
the welding head storage rack 3 is uniformly arranged on the outer side of the welding driving arm 1 in a surrounding mode, a locking sleeve ring 301 is arranged at the rear end of the welding head storage rack 3, a hydraulic telescopic rod 302 is arranged in the middle of the welding head storage rack 3, and fixed guide sleeves 303 are symmetrically arranged on the left side and the right side of the hydraulic telescopic rod 302 in parallel;
the overturning adjusting frame 4 is arranged at the front end of the hydraulic telescopic rod 302, telescopic guide rods 401 are arranged on the left side and the right side of the overturning adjusting frame 4, an overturning rotating shaft 402 is arranged at the front end of the overturning adjusting frame 4, and a driving motor 403 is arranged in the middle of the overturning rotating shaft 402;
the movable spot welding frame 5 is arranged on the inner side of the welding head storage frame 3, a pneumatic push rod 501 is arranged in the middle of the movable spot welding frame 5, a pneumatic connecting pipe 502 is arranged on the rear side of the pneumatic push rod 501, guide slide bars 503 are symmetrically arranged on the left side and the right side of the pneumatic push rod 501, a C-shaped fixed arm 504 is arranged at the front end of the movable spot welding frame 5, and a fixed-point welding head 505 is arranged at the front end of the C-shaped fixed arm 504;
the movable pressing frame 6 is arranged on the lower side of the C-shaped fixed arm 504, a pressing sliding sleeve 601 is arranged at the rear end of the movable pressing frame 6, and a pressing spot welding head 602 is arranged at the front end of the movable pressing frame 6; the outer side of the embedded connecting block 7 is provided with a plurality of positioning sliding grooves 701, the center of the embedded connecting block 7 is provided with a pneumatic connecting insertion tube 703, the outer side of the pneumatic connecting insertion tube 703 is provided with a circuit connecting slot 704 in a surrounding mode, and the circuit connecting slot 704 is matched with the circuit connecting insertion piece 105 in size.
Referring to fig. 1 to 6, as an embodiment of the present invention, a welding head exchanging apparatus for a welding process of an automobile frame includes: the welding driving arm comprises a welding driving arm 1, wherein the front end of the welding driving arm 1 is provided with an embedded connecting groove 101, the inner side of the embedded connecting groove 101 is provided with a plurality of positioning sliders 102, the center of the embedded connecting groove 101 is provided with a pneumatic connecting sleeve 103, the rear side of the pneumatic connecting sleeve 103 is provided with a connecting hose 104, the outer side of the pneumatic connecting sleeve 103 is provided with a circuit connecting insert 105 in a surrounding manner, and the rear side of the circuit connecting insert 105 is provided with an external cable 106; the welding head storage rack 3 is uniformly arranged on the outer side of the welding driving arm 1 in a surrounding mode, a locking sleeve ring 301 is arranged at the rear end of the welding head storage rack 3, a hydraulic telescopic rod 302 is arranged in the middle of the welding head storage rack 3, and fixed guide sleeves 303 are symmetrically arranged on the left side and the right side of the hydraulic telescopic rod 302 in parallel; the overturning adjusting frame 4 is arranged at the front end of the hydraulic telescopic rod 302, telescopic guide rods 401 are arranged on the left side and the right side of the overturning adjusting frame 4, an overturning rotating shaft 402 is arranged at the front end of the overturning adjusting frame 4, and a driving motor 403 is arranged in the middle of the overturning rotating shaft 402; the movable spot welding frame 5 is arranged on the inner side of the welding head storage frame 3, a pneumatic push rod 501 is arranged in the middle of the movable spot welding frame 5, a pneumatic connecting pipe 502 is arranged on the rear side of the pneumatic push rod 501, guide slide bars 503 are symmetrically arranged on the left side and the right side of the pneumatic push rod 501, a C-shaped fixed arm 504 is arranged at the front end of the movable spot welding frame 5, and a fixed spot welding head 505 is arranged at the front end of the C-shaped fixed arm 504; the movable pressing frame 6 is arranged on the lower side of the C-shaped fixed arm 504, a pressing sliding sleeve 601 is arranged at the rear end of the movable pressing frame 6, and a pressing spot welding head 602 is arranged at the front end of the movable pressing frame 6; the outer side of the embedded connecting block 7 is provided with a plurality of positioning sliding grooves 701, the center of the embedded connecting block 7 is provided with a pneumatic connecting insertion tube 703, the outer side of the pneumatic connecting insertion tube 703 is provided with a circuit connecting slot 704 in a surrounding mode, and the circuit connecting slot 704 is matched with the circuit connecting insertion piece 105 in size.
Referring to fig. 1 to 6, optionally, the apparatus may be installed and fixed at the front end of the corresponding welding robot through the welding driving arm 1, the outer side of the welding driving arm 1 is provided with a plurality of welding head storage frames 3 in a surrounding manner, each welding head storage frame 3 is provided with a moving spot welding frame 5 independently, the moving spot welding frame 5 is provided with a resistance clamping spot welding mechanism composed of a C-shaped fixed arm 504, a fixed spot welding head 505, a moving pressure frame 6 and a pressure spot welding head 602, and the shape, size and dimension of the corresponding structure provided on each moving spot welding frame 5 may be different, so as to realize that a plurality of spot welding structures are simultaneously arranged in a surrounding manner at the outer side of the welding driving arm 1 of the apparatus, the rear end of the turnover adjusting frame 4 is connected with the front end of the telescopic guide rod 401, the turnover adjusting frame 4 is connected with the fixed guide sleeve 303 through the telescopic guide rod 401 in a sliding manner, thereby the turning adjusting frame 4 and the moving spot welding frame 5 thereon can slide back and forth along the fixed guide sleeve 303 together to adjust the positions of the moving turning adjusting frame and the moving spot welding frame 5 thereon, and simultaneously the moving spot welding frame 5 is rotationally connected with the turning adjusting frame 4 through the turning rotating shaft 402, so that the moving spot welding frame 5 can turn to the front side through the turning rotating shaft 402, thereby the moving spot welding frame 5 can turn to the right front side of the welding driving arm 1 and slide along the fixed guide sleeve 303 through the turning adjusting frame 4, so that the rear end of the moving spot welding frame 5 and the front end of the welding driving arm 1 can be mutually attached, further the moving spot welding frame 5 can be installed and fixed to the front end of the welding driving arm 1 to complete the replacement and adjustment work of the moving spot welding frame 5, thereby being capable of adapting to different processing and welding requirements and carrying out resistance spot welding processing on frames with various sizes and shapes, the use flexibility is higher, simultaneously, the outside of gomphosis connecting groove 101 evenly encircles and is provided with a plurality of locking sleeve 2, the equal gomphosis in both ends slides and is provided with locking fixture block 201 around locking sleeve 2, the rear side of locking fixture block 201 is provided with locking spring 202, the centre of locking sleeve 2 is provided with unblock electro-magnet 203, the horizontal central line symmetry setting about unblock electro-magnet 203 between the locking fixture block 201, move the upset and weld the frame 5 and store in bonding tool storage frame 3 usually, and the centre of upset alignment jig 4 is provided with fixed slot 404, size is mutually supported between locking fixture block 201 and the fixed slot 404, thereby can fix the position of upset alignment jig 4 through locking fixture block 201 and fixed slot 404, avoid the upset alignment jig 4 to slide, and then make the removal on the upset alignment jig 4 point 5 rear end in bonding tool storage frame 3 inboard, in order to tie it through bonding tool storage frame 3, avoid moving the spot alignment jig 5 and overturn, improve the structural stability and the reliability of storage state.
Referring to fig. 1 to 6, optionally, the apparatus performs spot welding by welding a moving spot welding holder 5 of a plurality of welding head storage holders 3 disposed around the outer side of the driving arm 1, the moving spot welding holder 5 is correspondingly provided with a C-shaped fixed arm 504, a fixed spot welding head 505 is disposed inside the front end of the C-shaped fixed arm 504, the front end of the C-shaped fixed arm 504 is disposed opposite to the moving spot welding holder 6, i.e., inside the rear end of the C-shaped fixed arm 504, the moving spot welding head 602 is disposed on the moving spot welding holder 6, the moving spot welding holder 6 is slidably connected to the guide sliding rod 503 through a pressing sliding sleeve 601, the axial center line of the pressing spot welding head 602 and the axial center line of the fixed spot welding head 505 are located on the same straight line, so that the moving spot welding head 6 can slide along the guide sliding rod 503 to drive the pressing spot welding head 602 thereon to move synchronously, thereby the vehicle frame can be clamped and fixed by the pressing spot welding head 602 and the fixed spot welding head 505, and the connecting cable 603 can be connected to the pressing spot welding head 602 and the fixed spot welding head 505, so that a large current can be applied to perform resistance spot welding.
Referring to fig. 1 to 6, optionally, the device performs spot welding by using a movable spot welding frame 5 of a plurality of welding head storage frames 3 disposed around the outer side of the welding master arm 1, the movable spot welding frame 5 can be turned over to the front of the welding master arm 1, and can slide along the fixed guide sleeve 303 by turning over the adjusting frame 4, so that the rear end of the movable spot welding frame 5 and the front end of the welding master arm 1 can be attached to each other, and the movable spot welding frame 5 can be fixed to the front end of the welding master arm 1, the rear end of the movable spot welding frame 5 and the front end of the welding master arm 1 are respectively and correspondingly provided with an embedded connection block 7 and an embedded connection groove 101, the size of the embedded connection block 7 and the embedded connection groove 101 are matched with each other, and the embedded connection block 7 and the embedded connection groove 101 are respectively and correspondingly provided with a positioning slide block 102 and a positioning slide slot 701, and the positioning slide blocks 102 are respectively and correspondingly arranged one by one, the positioning sliding groove 701 and the positioning sliding block 102 are mutually matched in size, so that when the moving spot welding frame 5 is turned over to the right front of the welding driving arm 1, the hydraulic telescopic rod 302 can pull the moving spot welding frame 5 to slide towards the rear side, the embedded connecting block 7 is further embedded into the embedded connecting groove 101 in a positioning manner through the positioning sliding groove 701 and the positioning sliding block 102, the moving spot welding frame 5 is connected to the front end of the welding driving arm 1, meanwhile, the outer side wall of the embedded connecting block 7 is uniformly provided with a plurality of locking clamping grooves 702 in a surrounding manner, the locking clamping grooves 702 are mutually matched with the locking clamping blocks 201 in size, so that the embedded connecting block 7 can be locked after being embedded into the embedded connecting groove 101 through the locking clamping grooves 702 and the locking clamping blocks 201, the moving spot welding frame 5 is further fixedly connected to the front end of the welding driving arm 1, and replacement and adjustment of the moving spot welding frame 5 can be rapidly completed, therefore, the welding device can meet different processing and welding requirements, and can be used for carrying out resistance spot welding processing on frames with various sizes and shapes, and the use flexibility is higher.
Referring to fig. 1 to 6, alternatively, the apparatus performs spot welding by welding the moving spot welding frame 5 in the plurality of welding head storage frames 3 disposed around the outside of the welding master arm 1, the moving spot welding frame 5 may be turned over to the front of the welding master arm 1 and slid along the fixed guide sleeve 303 by turning the adjusting frame 4, so that the rear end of the moving spot welding frame 5 and the front end of the welding master arm 1 may be attached to each other, and the fitting connection block 7 is inserted into the fitting connection groove 101, so that the moving spot welding frame 5 is fixedly connected to the front end of the welding master arm 1 to complete the installation work, and the pneumatic connection insert tube 703 and the pneumatic connection sleeve 103 are disposed in the fitting connection block 101 and the fitting connection block 7, respectively, and the pneumatic connection insert tube 703 and the pneumatic connection sleeve 103 are cooperatively engaged with each other when the fitting connection block 7 is inserted into the fitting connection groove 101, so that the pneumatic connection insert tube 703 and the pneumatic connection sleeve 103 may be nested with each other when the fitting connection insert tube 7 is inserted into the connection hose 104 in the welding master arm 1, so that the cable 501 and the pneumatic connection tube 502 are inserted into the connection groove 101, so that the cable head 501 and the cable connection head 603 are disposed on the side, and the cable connection head 603 are controlled by the plug 105, and the plug connector 603, and the plug connector plug 603 are disposed on the side of the pneumatic connection block 7, the circuit connection inserting sheet 105 can be synchronously embedded into the circuit connection slot 704 and is attached to the circuit connection elastic sheet 705, and then circuits on the welding driving arm 1 and the moving spot welding frame 5 are communicated, so that the fixed point welding head 505 and the pressure spot welding head 602 on the moving spot welding frame 5 can be normally electrified to work, meanwhile, the circuit connection inserting sheet 105 and the circuit connection slot 704 are of an annular structure, two sets of circuit connection inserting sheets 105 and two sets of circuit connection slots 704 are arranged in the device and are nested in concentric circles to form a non-directional connection structure, so that all the moving spot welding frames 5 arranged around the outer side of the welding driving arm 1 can be connected randomly, and then the replacement and adjustment work of the moving spot welding frames 5 can be completed quickly, and therefore the device can meet different processing and welding requirements, performs resistance spot welding on frames of various sizes and shapes, and is high in use flexibility.
When the device is used, firstly, the welding driving arm 1 of the device is fixedly arranged at the front end of a corresponding welding manipulator, corresponding pipelines are connected, then, when a moving spot welding frame 5 needs to be arranged and replaced, firstly, the unlocking electromagnet 203 is controlled to be electrified, the locking clamping blocks 201 on two sides of the unlocking electromagnet 203 are attracted to synchronously move through the unlocking electromagnet 203, further, the locking clamping blocks 201 are separated from the fixed clamping grooves 404 so as to unlock the turnover adjusting frame 4, then, the hydraulic telescopic rod 302 pushes the turnover adjusting frame 4 to slide forwards along the fixed guide sleeve 303, further, the moving spot welding frame 5 on the turnover adjusting frame 4 is driven to synchronously move forwards, the moving spot welding frame 5 is separated from the welding head storage frame 3, then, the driving motor 403 can drive the turnover rotating shaft 402 so as to drive the moving spot welding frame 5 to be turned forwards along the turnover rotating shaft 402 until the moving spot welding frame 5 and the welding driving arm 1 are in the same straight line, then the hydraulic telescopic rod 302 can pull the turning adjusting frame 4 to slide along the fixed guide sleeve 303 to the rear side, further drive the moving spot welding frame 5 to synchronously move to the rear side, so that the embedded connecting block 7 at the rear end of the moving spot welding frame 5 is embedded into the embedded connecting groove 101 at the front end of the welding driving arm 1, at the moment, the pneumatic connecting inserting tube 703 and the pneumatic connecting sleeve 103 between the same are also synchronously nested and connected with each other, so that the pneumatic push rod 501 and the pneumatic connecting tube 502 on the moving spot welding frame 5 are conveniently accessed into the connecting hose 104 in the welding driving arm 1, so that the pneumatic push rod 501 can be controlled, the circuit connecting inserting sheet 105 can be synchronously embedded into the circuit connecting slot 704 and mutually attached with the circuit connecting elastic sheet 705, further the circuits on the welding driving arm 1 and the moving spot welding frame 5 are communicated, and after the embedded connecting block 7 is completely embedded into the embedded connecting groove 101, the unlocking electromagnet 203 can be controlled to lose electricity, the locking spring 202 pushes the locking fixture block 201 to reset, so that the locking fixture block 201 is embedded into the locking slot 702 to lock the embedded connecting block 7, the replacement and adjustment work of the movable spot welding frame 5 is completed, and welding processing can be performed.
The invention provides a welding head replacing device for welding and processing an automobile frame, wherein a welding driving arm 1 can be connected and fixed at the front end of a corresponding welding mechanical arm, a plurality of welding head storage frames 3 are arranged on the outer side of the welding driving arm 1 in a surrounding mode, each welding head storage frame 3 can store a movable spot welding frame 5, the movable spot welding frames 5 have welding sites with different sizes and shapes, resistance spot welding processing can be carried out on frames with various sizes and shapes, each movable spot welding frame 5 is provided with a telescopic overturning folding structure and can be telescopically overturned towards the front side so as to be arranged at the front end of the welding driving arm 1 for welding, the movable spot welding frames 5 and the welding driving arm 1 are correspondingly provided with embedded connecting structures, telescopic embedded connection can be rapidly carried out, a circuit and a pneumatic quick connecting structure are arranged between the movable spot welding frames 5, the circuit and the pneumatic pipeline can be synchronously connected when the movable spot welding frames 5 are installed, the movable spot welding frames 5 are rapidly replaced so as to adapt to different processing and welding requirements, and the processing flexibility is higher.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides an automobile frame welding process bonding tool changes device which characterized in that includes:
the welding driving arm is provided with an embedded connecting groove at the front end, a plurality of positioning sliding blocks are arranged on the inner side of the embedded connecting groove, a pneumatic connecting sleeve is arranged at the center of the embedded connecting groove, a connecting hose is arranged on the rear side of the pneumatic connecting sleeve, a circuit connecting insertion sheet is arranged around the outer side of the pneumatic connecting sleeve, and an external cable is arranged on the rear side of the circuit connecting insertion sheet;
the welding head storage rack is uniformly arranged on the outer side of the welding driving arm in a surrounding manner, a locking lantern ring is arranged at the rear end of the welding head storage rack, a hydraulic telescopic rod is arranged in the middle of the welding head storage rack, and fixed guide sleeves are symmetrically arranged on the left side and the right side of the hydraulic telescopic rod in parallel;
the turning adjusting frame is arranged at the front end of the hydraulic telescopic rod, telescopic guide rods are arranged on the left side and the right side of the turning adjusting frame, a turning rotating shaft is arranged at the front end of the turning adjusting frame, and a driving motor is arranged in the middle of the turning rotating shaft;
the movable spot welding frame is arranged on the inner side of the welding head storage frame, a pneumatic push rod is arranged in the middle of the movable spot welding frame, a pneumatic connecting pipe is arranged on the rear side of the pneumatic push rod, guide slide rods are symmetrically arranged on the left side and the right side of the pneumatic push rod, a C-shaped fixed arm is arranged at the front end of the movable spot welding frame, and a fixed spot welding head is arranged at the front end of the C-shaped fixed arm;
the movable moving frame is arranged on the lower side of the C-shaped fixed arm, a movable sliding sleeve is arranged at the rear end of the movable moving frame, and a movable spot welding head is arranged at the front end of the movable moving frame;
the pneumatic connecting device comprises an embedded connecting block, a plurality of positioning sliding grooves are formed in the outer side of the embedded connecting block, a pneumatic connecting insertion pipe is arranged in the center of the embedded connecting block, a circuit connecting insertion groove is formed in the outer side of the pneumatic connecting insertion pipe in a surrounding mode, and the circuit connecting insertion groove and the circuit connecting insertion sheet are matched in size;
the rear end of the turning adjusting frame is connected with the front end of the telescopic guide rod, the turning adjusting frame is connected with the fixed guide sleeve in a sliding mode through the telescopic guide rod, and the movable spot welding frame is connected with the turning adjusting frame in a rotating mode through the turning rotating shaft;
the movable moving frame is connected with the guide sliding rod in a sliding mode through the moving sliding sleeve, and the axial center line of the moving spot welding head and the axial center line of the fixed point welding head are located on the same straight line;
the size of the embedded connecting block is matched with that of the embedded connecting groove, the positioning sliding grooves are in one-to-one correspondence with the positioning sliding blocks, and the size of the positioning sliding grooves is matched with that of the positioning sliding blocks.
2. The welding head replacing device for the welding process of the automobile frame according to claim 1, wherein a plurality of locking sleeves are uniformly arranged around the outer side of the embedded connecting groove, locking clamping blocks are arranged at the front end and the rear end of each locking sleeve in an embedded and sliding manner, locking springs are arranged at the rear sides of the locking clamping blocks, unlocking electromagnets are arranged in the middle of each locking sleeve, and the locking clamping blocks are symmetrically arranged with respect to the horizontal center line of the unlocking electromagnets.
3. The welding head replacing device for the welding process of the automobile frame according to claim 2, wherein a fixed clamping groove is formed in the middle of the overturning adjusting frame, and the locking clamping block and the fixed clamping groove are matched with each other in size.
4. The welding head replacing device for the welding process of the automobile frame according to claim 3, wherein a plurality of locking clamping grooves are uniformly arranged on the outer side wall of the embedded connecting block in a surrounding mode, and the locking clamping grooves are matched with the locking clamping blocks in size.
5. The automotive frame weld process horn exchange of claim 1 wherein the pneumatic connection spigot and the pneumatic connection sleeve are cooperatively dimensioned.
6. The apparatus according to claim 1, wherein the pressure spot welding head and the fixed spot welding head are respectively provided with a connecting cable at their rear sides, and are electrically connected to the circuit connecting spring via the connecting cable.
7. The apparatus of claim 6, wherein the circuit connecting insert and the circuit connecting slot are cooperatively dimensioned, and the connecting cable is electrically connected to the external cable through the circuit connecting insert and the circuit connecting spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714651.7A CN113523526B (en) | 2021-06-26 | 2021-06-26 | Welding head replacing device for welding processing of automobile frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110714651.7A CN113523526B (en) | 2021-06-26 | 2021-06-26 | Welding head replacing device for welding processing of automobile frame |
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| CN113523526A CN113523526A (en) | 2021-10-22 |
| CN113523526B true CN113523526B (en) | 2022-10-11 |
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|---|---|
| CN113523526A (en) | 2021-10-22 |
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