CN113523526A - Welding head replacing device for welding automobile frame - Google Patents
Welding head replacing device for welding automobile frame Download PDFInfo
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- CN113523526A CN113523526A CN202110714651.7A CN202110714651A CN113523526A CN 113523526 A CN113523526 A CN 113523526A CN 202110714651 A CN202110714651 A CN 202110714651A CN 113523526 A CN113523526 A CN 113523526A
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- welding
- frame
- welding head
- spot welding
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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)
- Resistance Welding (AREA)
- Automatic Assembly (AREA)
Abstract
The invention provides a welding head replacing device for welding and processing 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 description relate to the technical field of automobile production, and in particular, to an automobile frame welding process welding head replacement device.
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 a welding head replacing apparatus for 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 mode, a locking sleeve 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 gomphosis connecting block, the outside of gomphosis connecting block is provided with a plurality of location spouts, the center department of gomphosis connecting block is provided with the pneumatic connection intubate, the outside of pneumatic connection intubate is around being provided with the circuit connection slot, the circuit connection slot with the size is mutually supported between the circuit connection inserted sheet.
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 plurality of locking sleeves are uniformly arranged around the outer side of the embedded connecting groove, locking fixture blocks are arranged at the front end and the rear end of each locking sleeve in an embedded and sliding mode, locking springs are arranged on the rear sides of the locking fixture blocks, unlocking electromagnets are arranged in the middle of the locking sleeves, and the locking fixture blocks are symmetrically arranged with respect to the horizontal center line of the unlocking electromagnets.
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 alternative embodiments, the movable pressing frame is slidably connected to the guide slide bar through the pressing sliding sleeve, and an axial center line of the pressing spot welding head and an axial center line of the fixed point welding head are located on the same straight line.
In some optional embodiments, the size of the jogged connecting block is matched with that of the jogged connecting groove, the positioning sliding grooves are arranged 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, a plurality of locking slots are uniformly arranged around the outer side wall of the embedded connecting block, and the locking slots and the fixing blocks are mutually matched in size.
In some alternative embodiments, the pneumatic connection cannula and the pneumatic connection sleeve are cooperatively dimensioned.
In some optional embodiments, the pressure spot welding head and the fixed spot welding head are both provided with a connecting cable at the rear side, and are both electrically connected with the circuit connecting elastic sheet through the connecting cable.
In some optional embodiments, the circuit connection insertion sheet 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 sheet and the circuit connection elastic sheet.
As can be seen from the above, the welding head replacing device for welding and processing the vehicle frame according to one or more embodiments of the present disclosure may be connected and fixed to the front end of the corresponding welding robot arm through the welding master arm, and a plurality of welding head storage racks are disposed around the outer side of the welding master arm, each welding head storage rack may store one moving spot welding rack, and the moving spot welding racks have welding sites with different sizes and shapes, and may perform resistance spot welding processing on the vehicle frames with various sizes and shapes, and each moving spot welding rack is provided with a retractable turning and folding structure, which may be retractable and foldable to be turned forwards to be installed at the front end of the welding master arm for welding processing, and the moving spot welding racks and the welding master arm are correspondingly provided with the engaging and connecting structures, which may perform quick retractable engaging and connecting, and a circuit and a pneumatic quick-connecting structure are further disposed therebetween, can carry out the synchronous connection to circuit and pneumatic pipeline when removing the installation of spot welding frame to carry out quick replacement to removing the spot welding frame, with the processing welding demand that adapts to the difference, 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 view of a roll-over stand according to one or more embodiments of the present disclosure;
fig. 6 is a schematic structural diagram of a mobile soldering station according to one or more embodiments of the present disclosure.
Detailed Description
To make the objects, aspects and advantages of one or more embodiments of the present disclosure more apparent, one or more embodiments of the present disclosure are described in further detail below with reference to specific embodiments.
It is to be understood that unless otherwise defined, technical or scientific terms used herein with respect to one or more embodiments of the present disclosure shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar language in one or more embodiments of the present description is not intended to imply any order, quantity, or importance, but rather the intention is 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 merely 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 disclosure, an apparatus for exchanging a welding head for welding a vehicle 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 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, 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 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 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 by 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 the outer side of the welding driving arm 1 of the apparatus in a surrounding manner, the rear end of the turning adjusting frame 4 and the front end of the telescopic guide rod 401 are connected with each other, the turning adjusting frame 4 is slidably connected with the fixed guide sleeve 303 by the telescopic guide rod 401, so that the turning adjusting frame 4 and the moving spot welding frames 5 thereon can slide back and forth along the fixed guide sleeve 303 together, so as to adjust the position of the movable turning adjusting frame and the movable spot welding frame 5 thereon, and simultaneously, the movable spot welding frame 5 is rotatably connected with the turning adjusting frame 4 through the turning rotating shaft 402, so that the movable spot welding frame 5 can be turned to the front side through the turning rotating shaft 402, so that the movable spot welding frame 5 can be turned to the right front side of the welding driving arm 1 and can slide along the fixed guide sleeve 303 through the turning adjusting frame 4, so that the rear end of the movable spot welding frame 5 and the front end of the welding driving arm 1 can be mutually attached, and further, the movable spot welding frame 5 can be installed and fixed to the front end of the welding driving arm 1, so as to complete the replacement and adjustment work of the movable spot welding frame 5, thereby being capable of adapting to different processing and welding requirements, carrying out resistance spot welding processing on frames with various sizes and shapes, the use flexibility is higher, and simultaneously, a plurality of locking sleeves 2 are uniformly arranged around the outer side of the embedded connecting groove 101, the front end and the rear end of the locking sleeve 2 are respectively provided with a locking fixture block 201 in an embedded sliding mode, the rear side of the locking fixture block 201 is provided with a locking spring 202, the middle of the locking sleeve 2 is provided with an unlocking electromagnet 203, the locking fixture blocks 201 are symmetrically arranged around the horizontal central line of the unlocking electromagnet 203, the movable spot welding frame 5 is usually stored in the welding head storage frame 3 in an overturning mode, the middle of the turning adjusting frame 4 is provided with a fixed slot 404, the locking fixture block 201 and the fixed slot 404 are mutually matched in size, thereby the position of the turnover adjusting frame 4 can be fixed by the locking fixture block 201 and the fixing fixture groove 404, the turnover adjusting frame 4 is prevented from sliding, and then make the removal on the upset alignment jig 4 spot welding frame 5 rear end be in bonding tool storage rack 3 inboardly to tie it through bonding tool storage rack 3, avoid removing the removal and the upset of spot welding frame 5, improve the structural stability and the reliability of storage state.
Referring to fig. 1 to 6, optionally, the device performs spot welding by welding a moving spot welding frame 5 of a plurality of welding head storage frames 3 arranged around the outside of the driving arm 1, a C-shaped fixed arm 504 is correspondingly arranged on the moving spot welding frame 5, a fixed spot welding head 505 is arranged on the inner side of the front end of the C-shaped fixed arm 504, a moving pressure frame 6 is arranged on the opposite side of the front end of the C-shaped fixed arm 504, i.e. in the inner direction of the rear end of the C-shaped fixed arm 504, a pressure spot welding head 602 is arranged on the moving pressure frame 6, and the moving pressure frame 6 is connected with the guide sliding rod 503 in a sliding manner by a pressure sliding sleeve 601, the axial center line of the pressure 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 pressure frame 6 can slide along the guide sliding rod 503 to drive the pressure spot welding head 602 to move synchronously, thereby clamping and fixing the vehicle frame by the pressure spot welding head 602 and the fixed spot welding head 505, meanwhile, the pressure spot welding head 602 and the fixed point welding head 505 are both connected with a connecting cable 603, so that large-current direct current can be conducted to the pressure spot welding head 602 and the fixed point welding head 505 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 through the turning 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 further the movable spot welding frame 5 can be mounted and 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 connecting block 7 and an embedded connecting groove 101, the size of the embedded connecting block 7 and the size of the embedded connecting groove 101 are matched with each other, and the embedded connecting block 7 and the embedded connecting groove 101 are respectively and correspondingly provided with a positioning slider 102 and a positioning chute 701, and the positioning sliders 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 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 fixed clamping blocks in size, 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 fixed clamping blocks, the moving spot welding frame 5 is fixedly connected to the front end of the welding driving arm 1, the replacement and adjustment work of the moving spot welding frame 5 can be quickly completed, and different processing and welding requirements can be met, the resistance spot welding processing is carried out on the frames with various sizes and shapes, and the use flexibility is higher.
Referring to fig. 1 to 6, optionally, the device performs spot welding by using a moving 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 moving 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 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 master arm 1 can be attached to each other, and further the fitting connection block 7 is fitted 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 insertion tube 703 and the pneumatic connection sleeve 103 are correspondingly disposed in the fitting connection groove 101 and the fitting connection block 7, respectively, and the pneumatic connection insertion tube 703 and the pneumatic connection sleeve 103 are matched with each other in size, when the fitting connection block 7 is fitted into the fitting connection groove 101, the pneumatic connection insertion tube 703 and the pneumatic connection sleeve 103 can be synchronously nested with each other, so that the pneumatic push rod 501 and the pneumatic connecting tube 502 on the movable spot welding frame 5 can be conveniently accessed to the connecting hose 104 in the welding driving arm 1, so that the pneumatic push rod 501 can be controlled, meanwhile, the embedded connecting groove 101 and the embedded connecting block 7 are respectively provided with a circuit connecting insertion sheet 105 and a circuit connecting insertion slot 704 correspondingly, the rear sides of the pressure spot welding head 602 and the fixed spot welding head 505 are respectively provided with a connecting cable 603, the pressure spot welding head 602 and the fixed spot welding head 505 are electrically connected with the circuit connecting elastic sheet 705 through the connecting cable 603, the circuit connecting insertion sheet 105 is matched with the circuit connecting insertion slot 704 in size, the connecting cable 603 is electrically connected with the external cable 106 through the circuit connecting insertion sheet 105 and the circuit connecting elastic sheet 705, so that when the embedded connecting block 7 is embedded into the embedded connecting groove 101, the circuit connecting insertion sheet 105 can be synchronously embedded into the circuit connecting insertion slot 704, and the connecting spring 705 is mutually attached, and then the circuits on the welding driving arm 1 and the moving spot welding frame 5 are communicated, so that a fixed point welding head 505 and a pressure spot welding head 602 on the moving spot welding frame 5 can be normally electrified to work, meanwhile, the circuit connecting insertion sheet 105 and the circuit connecting insertion slot 704 are of an annular structure, the device is provided with two sets of circuit connecting insertion sheets 105 and circuit connecting insertion slots 704 which are nested in a concentric circle, and a non-directional connecting structure is formed, so that all the moving spot welding frames 5 which are arranged around the outer side of the welding driving arm 1 can be randomly connected, and then the replacement and adjustment work of the moving spot welding frames 5 can be quickly completed, thereby being suitable for different processing and welding requirements, carrying out resistance spot welding processing on frames with various sizes and shapes, and having higher 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 installed 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 whole moving spot welding frame 5 to turn 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 turnover adjusting frame 4 to slide backwards along the fixed guide sleeve 303, further driving the moving spot welding frame 5 to move backward synchronously, so that the jogged connecting block 7 at the back end of the moving spot welding frame 5 is embedded into the jogged connecting groove 101 at the front end of the welding driving arm 1, and the pneumatic connecting inserting pipe 703 and the pneumatic connecting sleeve 103 between the jogged connecting groove and the pneumatic connecting sleeve are also nested and connected synchronously, so that the pneumatic push rod 501 and the pneumatic connecting pipe 502 on the moving spot welding frame 5 can be accessed into the connecting hose 104 in the welding driving arm 1, so that the pneumatic push rod 501 can be controlled, and the circuit connecting inserting sheet 105 can be embedded into the circuit connecting slot 704 synchronously and attached to the circuit connecting spring sheet 705, so as to communicate the circuits on the welding driving arm 1 and the moving spot welding frame 5, and after the jogged connecting block 7 is completely embedded into the jogged connecting groove 101, the unlocking electromagnet 203 can be controlled to lose power, the locking spring 202 pushes the locking block 201 to reset, so that the locking block 201 is embedded into the locking clamping groove 702 to lock the jogged connecting block 7, the replacement and adjustment work of the movable spot welding frame 5 can be completed, and welding processing can be performed.
The invention provides a welding head replacing device for welding and processing an automobile frame, which can be connected and fixed at the front end of a corresponding welding mechanical arm through a welding driving arm 1, wherein a plurality of welding head storage frames 3 are arranged at the outer side of the welding driving arm 1 in a surrounding way, 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, and can carry out resistance spot welding processing 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 processing, 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, and a circuit and pneumatic quick connecting structure are also arranged between the movable spot welding frames 5, so that the circuit and the pneumatic pipeline can be synchronously connected when the movable spot welding frames 5 are arranged, thereby carry out quick replacement to removing spot welding frame 5 to adapt to different processing welding demands, 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 suggest that the scope of one or more embodiments of the present specification (including the claims) is limited to these examples; within the context of one or more embodiments of the present description, features from the above embodiments or from different embodiments may also be combined, steps may be performed in any order, and there are many other variations of the different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
While one or more embodiments of the present specification have 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.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as 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 one or more embodiments of the present disclosure are intended to be included within the scope of the one or more embodiments of the present disclosure.
Claims (10)
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 mode, a locking sleeve 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 gomphosis connecting block, the outside of gomphosis connecting block is provided with a plurality of location spouts, the center department of gomphosis connecting block is provided with the pneumatic connection intubate, the outside of pneumatic connection intubate is around being provided with the circuit connection slot, the circuit connection slot with the size is mutually supported between the circuit connection inserted sheet.
2. The welding head replacing device for welding the automobile frame according to claim 1, wherein 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.
3. 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.
4. The welding head replacing device for the welding process of the automobile frame according to claim 3, 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.
5. The welding head replacing device for welding processing of the automobile frame according to claim 1, wherein the movable moving frame is slidably connected with the guide sliding rod through the moving sliding sleeve, and an axial center line of the moving spot welding head and an axial center line of the fixed point welding head are positioned on the same straight line.
6. The welding head replacing device for the welding process of the automobile frame according to claim 1, wherein the size of the embedded connecting block is matched with that of the embedded connecting groove, the positioning sliding grooves are arranged 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.
7. 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 fixing clamping blocks in size.
8. The automotive frame weld process horn exchange of claim 1 wherein the pneumatic connection spigot and the pneumatic connection sleeve are cooperatively dimensioned.
9. The welding head replacing device for the welding process of the automobile frame according to claim 1, wherein the pressure spot welding head and the fixed spot welding head are respectively provided with a connecting cable at the rear side, and are electrically connected with the circuit connecting elastic sheet through the connecting cables.
10. The apparatus of claim 1, 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.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN113523526A true CN113523526A (en) | 2021-10-22 |
| CN113523526B CN113523526B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110714651.7A Active CN113523526B (en) | 2021-06-26 | 2021-06-26 | Welding head replacing device for welding processing of automobile frame |
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| JPH08323483A (en) * | 1995-05-31 | 1996-12-10 | Dengensha Mfg Co Ltd | Device for detaching and exchanging gun arm |
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|---|---|
| CN113523526B (en) | 2022-10-11 |
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