52results about How to "Accurate welding position" patented technology

The invention discloses an internal welding device for a large steel pipe. The internal welding device comprises a welding platform, an L-shaped supporting plate is arranged on the welding platform, a conveying clamping mechanism is arranged on the welding platform, a positioning welding mechanism is arranged on the welding platform, and a deslagging supporting mechanism is arranged on the positioning welding mechanism; the conveying and clamping mechanism comprises a roller bracket, a conveying roller, a fixed supporting rod, an arc-shaped guide plate, a first universal ball and a clamping part; the clamping part is used for clamping a steel pipe; the positioning and welding mechanism comprises a motor support, a rotating motor, a driving shaft, a conveying frame, a welding part and an auxiliary part, the welding part is used for welding the joint of the two steel pipes, and the auxiliary part is used for positioning and supporting the conveying frame. The device has the beneficial effects that workers do not need to enter the steel pipe for welding, the labor intensity of the workers is reduced, the welding efficiency is improved, the welding quality is improved, the welding slag is convenient to clean, the grinding block is convenient to replace, and the dismounting and mounting efficiency is high.

A sports equipment machining and welding device comprises a positioning supporting seat, a welding supporting seat and a to-be-welded pipe, the welding supporting seat is located in the middle, the two sides of the welding supporting seat are fixedly connected with the positioning supporting seat, a laser welding mechanism is arranged at the top of the welding supporting seat, and the laser welding mechanism conducts welding operation on a to-be-welded connector of the to-be-welded pipe. An open type auxiliary bearing mechanism, a pipeline driving mechanism and a sweeping mechanism are arranged at the top of the positioning supporting seat, the pipeline driving mechanism is located in the middle, and the open type auxiliary bearing mechanism is located on the side, away from the laser welding mechanism, of the pipeline driving mechanism and provides auxiliary supporting operation for a to-be-welded pipe. The pipeline driving mechanism comprises a feeding driving device, a rotation driving device and a conversion device, and the feeding driving device is located on the side close to the laser welding mechanism.

The invention belongs to the technical field of battery production, and discloses a positioning jig which comprises a positioning frame, two sliding tables and positioning pieces arranged on the sliding tables. The two sliding tables are distributed in the first direction in a spaced mode and arranged on the positioning frame in a sliding mode, and the two sliding tables are driven by the corresponding positioning driving pieces to slide in the first direction so that a first relative position and a second relative position can be formed between the two sliding tables. When the two sliding tables are located at the first relative position, the pole in the pole assembly can be clamped between the two corresponding positioning pieces on the sliding tables so as to position the switching piece of the pole assembly, and when the two sliding tables are located at the second relative position, the conductive block of the top cover can be clamped between the two corresponding positioning pieces on the sliding tables so as to position the conductive block. According to the positioning jig, when the two sliding tables are located at the first relative position, the positioning piece can clamp the pole assembly to achieve positioning of the pole assembly, and when the two sliding tables are located at the second relative position, the positioning piece can clamp the conductive block to achieve positioning of the conductive block.

The utility model relates to the technical field of welding clamping devices, and discloses a welding clamping device for an assembly type steel structure, the upper surface of a moving block is fixedly connected with a placing block, the upper surface of the placing block is fixedly connected with a threaded block, the middle part of the threaded block is in threaded connection with a screw rod, and the middle part of the screw rod is in threaded connection with a movable block. One side of the lead screw is fixedly connected with a second rotary knob, and the other side of the lead screw is fixedly connected with a pressing plate. According to the steel structure pressing and fixing device, by rotating the first rotary knob, the sliding block drives the moving block, the containing block, the threaded block, the second rotary knob, the lead screw and the pressing plate to move towards the inner side, by rotating the second rotary knob, the second rotary knob rotates to drive the lead screw to rotate, the lead screw rotates to move downwards along the threaded block, the lead screw drives the pressing plate to move downwards, and therefore a steel structure on the containing block is pressed and fixed. And a steel structure can be better clamped during welding and can be adjusted according to the length of the steel structure, so that the steel structure can be welded more conveniently, and the welding efficiency is improved.

The present invention provides a protective device and method for argon arc welding of gas turbine inserts, including a welding protective tool, wherein the welding protective tool includes a base, a cover plate, an adjusting screw and a bottom pad, wherein the upper end of the base is an arc surface structure, the lower end of the base is connected to the cover plate, and an argon gas channel is provided on the base; one end of the adjusting screw is connected to the lower end of the cover plate; the free end of the adjusting screw is connected to the bottom pad; the present invention utilizes a protective device to ensure an accurate welding position, prevent internal welding defects and welding cracks, and improve labor production efficiency and processing quality.

The present invention provides an adjustable bracket for an electric welder, belonging to the technical field of brackets for electric welders. It comprises a clamping mounting part, on which a welding rotary part is rotatably mounted; on which a lifting and positioning part is mounted; the lifting and positioning part is used to accelerate welding penetration with negative pressure; on which a weld positioning part is fixedly mounted; the weld positioning part is used to position and adjust the weld; and on which a welding adapter is mounted. The negative pressure suction hole adopted in the present application can realize negative pressure suction in the welding process by means of negative pressure suction, and the suction force can be used to assist in further sucking the hot melt metal of the welding into the weld, further achieving the purpose of increasing the welding depth, so as to solve the problem that the existing adjustable bracket for electric welders is not convenient for adjusting the weld with respect to the oil port, the welding firmness is poor, and it is also not convenient for improving welding penetration by negative pressure.

The chip welding jig comprises a bottom plate, a positioning groove is formed in the left side of the upper end of the bottom plate, and positioning pressing blocks are movably arranged at the four corners of the upper end of the positioning groove; a shaping strip is fixedly connected to the rear side of the upper end of the bottom plate, a plurality of shaping openings are formed in the upper side of the shaping strip at equal intervals, shaping blocks are rotationally connected to the left sides and the right sides of the lower sides of the interiors of the shaping openings, and shaping arc grooves are oppositely formed in the upper portions between the shaping blocks. And a plurality of arc grooves are equidistantly formed in the right side of the upper end of the bottom plate and the right side of the placement positioning groove. According to the overall structure provided by the embodiment of the invention, along with leftward displacement of the wire dividing plate, the two positioning sub-strips are forced to relatively displace so as to extrude the wire placed in the arc groove, when the wire dividing plate displaces to the leftmost side, the positioning extrusion of the wire is more stable, and the lower end of the rolling shaft also extrudes the upper end of the wire, so that the wire is more stably positioned and extruded. And the wire welding position is more accurate.

The utility model relates to an automatic welding machine for a junction box, and relates to the technical field of junction box welding equipment. The photovoltaic panel laser welding device comprises a rack, a pressing module and a laser welding module, wherein a photovoltaic panel bearing station for placing a photovoltaic panel is arranged on the rack; the visual identification device is installed on the rack, located above the photovoltaic panel bearing station and used for identifying the positions of bus bars and junction boxes on the photovoltaic panels; the pressing module is assembled on the rack in a manner that the positions of the pressing module can be adjusted in the left-right direction and the front-back direction, the pressing module comprises a pressing driving part and a pressing block connected to the driving output end of the pressing driving part, and the pressing driving part is used for driving the pressing block to move towards the junction box so as to press the bus bar on a metal block on the junction box; the laser welding module is assembled on the rack in the left-right direction and the front-back direction in a position adjustable mode, and the laser welding module is used for moving to the junction box and welding the bus bar to a metal block on the junction box when the visual recognition device recognizes the position of the junction box.

The present invention relates to a welding device for a rebar meter, and belongs to the technical field of welding equipment. The present invention includes a connecting component, a positioning component and a centering structure. The connecting component includes a positioning fastener and a locking fastener arranged in sequence from front to back, and the positioning fastener and the locking fastener are plugged in front and back; the positioning component includes a first positioning member and a second positioning member spaced from front to back, and an adjusting member that can make the two members approach or move away from each other is connected between the first positioning member and the second positioning member, and the first positioning member is used to abut against the main reinforcement adjacent to the main reinforcement where the rebar meter is installed, and the second positioning member is used to abut against the positioning fastener; the centering structure includes two centering claws, two centering springs and a centering plate connected between the two centering springs, and a centering slot for the left and right ends of the rebar meter to fit in is provided at the middle position of the bottom of the centering plate. The present invention can accurately fix the rebar meter on the rebar cage, and effectively avoid the problem of welding deviation.

A fluted disc motor is installed on one side of the top end of a main body frame, the input end of the fluted disc motor is electrically connected with the output end of an external power source, a first fluted disc is installed at the transmission end of the fluted disc motor, a toothed belt is connected to the outer portion of the first fluted disc in an engaged mode, and a second fluted disc is installed at the transmission end of the fluted disc motor. The straight-through section flange welding device has the advantages that the straight-through section flange can be well placed on the welding frame by the aid of the clamping rollers and the rollers, the transmission belt and the clamping rollers are driven by the transmission end of the second driving motor to rotate, and accordingly the straight-through section flange can be clamped by the clamping rollers and the rollers, and the straight-through section flange can be clamped by the clamping rollers. The straight-through section flange is clamped by the device, the position of a welding point of the straight-through section flange is more conveniently confirmed, the L-shaped sliding rail is arranged, the driving motor drives the top roller to conduct position deviation, the straight-through section flange is more conveniently fixed, and position deviation of the flange during welding is prevented.

The utility model is suitable for the technical field of lithium ion batteries, and provides a lithium ion battery wiring device. A rotating chassis; the battery box is placed at the top of the rotating chassis; the surface of the battery box is movably sleeved with the lifting frame, and cushion blocks are arranged at the bottom of the lifting frame in a circumferential array mode; the protection plate is mounted at the top of the lifting frame in a sliding manner; and the magnifying lenses are symmetrically arranged on the surface of the protection plate front and back. Compared with the prior art, the welding device has the beneficial effects that the lifting frame is arranged on the battery box, the protective plate is arranged at the top of the lifting frame, and the sealing structure is arranged on the protective plate, so that the situation that sparks are splashed to hands during welding is avoided; and magnifying lenses are arranged on the front side and the rear side of the protection plate, so that the welding position can be observed through the magnifying lenses on the front side and the rear side during welding, and the welding position is more accurate.

The utility model discloses a kind of water cup and connecting piece welding is used to prevent deviation clamp, deviation can be automatically corrected, ensure that welding position is accurate, and welding point quality is stable;Including cup mouth clamp and cup bottom clamp, cup body is clamped between cup mouth clamp and cup bottom clamp;Cup mouth clamp sequentially at least includes concentrically arranged first flange, first sleeve and first abutment piece from left to right;One end of first sleeve is fixedly connected with first flange, and other end is rotatably connected with first abutment piece;Cup bottom clamp sequentially at least includes concentrically arranged second flange, second sleeve and second abutment piece from right to left;One end of first sleeve is fixedly connected with second flange, and other end is rotatably connected with second abutment piece;First abutment piece and second abutment piece respectively with the mouth portion and bottom of cup body abut;Cup body can be self-adapting rotation with first abutment piece and second abutment piece.

The present invention discloses a tunnel steel arch frame I-beam plate welding device and method, the device comprises: a conveying mechanism; a first displacement clamping mechanism; a second displacement clamping mechanism; a third displacement clamping mechanism; a connecting plate welding mechanism, comprising a connecting plate plate welding robot, a first connecting plate welding robot and a second connecting plate welding robot; a reinforcing plate welding mechanism, comprising a reinforcing plate plate welding robot and a reinforcing plate welding robot. The present invention combines the two processes of welding connecting plates at both ends of the I-beam and welding reinforcing plates at the joints of the I-beam into one, which can weld connecting plates at both ends of the I-beam and reinforcing plates at the joints of the I-beam, greatly improving production efficiency and reducing production costs, realizing centralized and automated production operations of I-beam plate welding, realizing mass production of steel arch frames, and having accurate mounting positions and good welding effects, thereby ensuring the final product quality of the steel arch frames and meeting production and construction requirements.

The utility model discloses a vehicle rear panel stud welding positioning tool which comprises a supporting frame, a limiting mechanism and a clamping mechanism. The limiting mechanism comprises a plurality of positioning pieces detachably connected with a rear panel and connecting pieces connecting the positioning pieces and the supporting frame, and the positioning pieces are provided with receding openings allowing studs to penetrate through. The clamping mechanism comprises a clamping jaw and a quick clamp, and the quick clamp drives the clamping jaw to have a first state in which the clamping jaw is clamped to the bottom end of the rear panel and a second state in which the clamping jaw is separated from the rear panel. The connecting pieces are connected with the supporting frame and the positioning pieces, so that the multiple positioning pieces can be located at the same horizontal height, the multiple receding openings are located at the same horizontal height, welding of the multiple studs at the same horizontal height is achieved through limiting of the receding openings during welding, and errors caused by skew of manual scribing are avoided. In addition, when the tool is used, the clamping jaws are in the first state, the supporting frame is further limited through clamping of the clamping jaws, and the situation that the position accuracy of the connecting piece and the positioning piece is affected by shaking of the supporting frame is avoided.

The present invention relates to the technical field of accessory welding, and in particular to a gantry welding for crane component processing; comprising two guide rails symmetrically laid on the ground; and also comprising a welding device, the welding device being connected to the two guide rails, the welding device comprising a door-type slide slidably connected to the two guide rails, a first hydraulic push rod being installed at the lower end of the middle section of the door-type slide, and an intermittent rotating module being installed at the lower end of the first hydraulic push rod. The positioning welding mechanism adopted by the present invention can accurately position the base at the welding position of the beam during the welding process, without the need to perform multiple fine-tuning positioning on the placed base; the positioning mechanism adopted by the present invention can limit the positioning welding mechanism during the welding process, effectively increasing the stability of the welding, ensuring the uniformity of the weld after welding, and avoiding the phenomenon of leaking welds and cold welds, and the positioning welding mechanism and the intermittent rotating module can realize the function of automatic side switching.

The utility model relates to the field of clamps, and provides a supporting clamp which comprises a base. The device further comprises a first clamp, a second clamp and a third clamp, and the first clamp, the second clamp and the third clamp are all installed on the base. The first clamp, the second clamp and the third clamp are reasonably designed, the part A only needs to be positioned once before working, position adjustment is not needed in the welding process, and it is guaranteed that the welding position is more accurate; the second clamp positions the component B, the welding position at the moment is just the connecting position of the component B and the component A, special adjustment is not needed, and time and labor are greatly saved; and meanwhile, the third clamp is the same as the second clamp, so that the part can be positioned very simply, the inclination angle is not changed during adjustment, welding is more convenient, and the welding precision and the welding efficiency are effectively improved.

The utility model provides a multi-dimensional welding machine, and belongs to the technical field of welding equipment, the multi-dimensional welding machine comprises a machine base, the machine base is of a rectangular box body structure, a rail transversely arranged in the horizontal direction is arranged at the upper end of the machine base, and a sliding plate is connected to the rail in a sliding and guiding mode; the multi-dimensional rack is installed on the sliding plate, a welding gun is installed at the moving end of the multi-dimensional rack, and the multi-dimensional rack can drive the welding gun to move; the clamp is detachably connected to the front end of the machine base, the clamp is used for fixing a workpiece to be machined, and the clamp is connected with a driving motor and can drive the workpiece to turn over. According to the welding machine, the multi-dimensional welding assembly capable of being positioned and moved is adopted and matched with the special clamp capable of being automatically overturned and positioned, a workpiece is accurately positioned and carried to rotate, the welding assembly conducts accurate welding according to a set welding line, the welding position is accurate, a welding seam is smooth and attractive, the automation degree is high, and the machining efficiency is improved.

The present invention provides a metal layer plate positioning device, comprising a machine base, a fixed seat is fixed at one end of the top surface of the machine base, a sliding seat is slidably arranged at the other end of the top surface of the machine base close to or away from the fixed seat, a left end positioning block is transversely fixed on the top surface of the fixed seat, a right end positioning block is transversely fixed on the top surface of the sliding seat, two left end positioning blocks and two right end positioning blocks are respectively used to clamp the two ends of the metal layer plate for positioning, a rear side positioning block and a front side pushing positioning assembly are relatively fixed longitudinally on the top surface of the fixed seat, a rear side positioning block and a front side pushing positioning assembly are also relatively fixed longitudinally on the top surface of the sliding seat, and the left end positioning block, the right end positioning block, the rear side positioning block and the front side pushing positioning assembly jointly form a square positioning space. The metal layer plate positioning device of the present invention can ensure accurate welding position and firm welding, and realize the automated production of large quantities of metal layers.

The utility model discloses a turnover welding device which comprises two turnover mechanisms which are fixedly connected with each other and used for fixing I-shaped steel and turning over the I-shaped steel. Comprising a bottom plate, supporting rings symmetrically fixed to the top end of the bottom plate, a rotating ring with the two ends rotationally embedded in the opposite supporting rings, a plurality of threaded sleeves penetrating through the supporting rings in an annular array mode, a plurality of fixing pieces penetrating through the supporting rings in an annular array mode, and adjusting rods penetrating through the threaded sleeves, wherein the ends of the adjusting rods are connected with the fixing pieces. The worm gear is fixedly connected to one end of the rotating ring in a sleeving mode, the driving part is installed on the supporting ring on one side and meshed with the worm gear, the bottom plate is used for installing the supporting rings and guaranteeing the stability of the supporting rings, and the supporting rings are used for supporting the two sides of the rotating ring and guaranteeing the stability of the rotating ring in the rotating process. And automatic overturning can be achieved for I-shaped steel welding, and the device is suitable for I-shaped steel of different sizes.

A welding tool for a box side plate comprises a welding table and a U-shaped limiting piece arranged on the upper end face of the welding table, a welding station for welding the side plate is formed in the U-shaped limiting piece, the distance between two vertical parts of the U-shaped limiting piece is consistent with the length of the lower portion of the side edge part, limiting assemblies are arranged on the two sides of the U-shaped limiting piece, and the two sets of limiting assemblies are arranged side by side. The U-shaped limiting piece is arranged on the welding table, the side edge portion of the side plate is arranged in the U-shaped limiting piece, the position of the side edge portion is limited, meanwhile, the two sets of limiting assemblies arranged side by side are arranged on the U-shaped limiting piece, and the inner sides of the positioning walls and the inner sides of the positioning blocks in the limiting assemblies are located on the same plane. One side of the reinforcing rib is in contact with the same side of the positioning wall and the positioning block at the same time to limit the two ends of the reinforcing rib, so that the two ends are located on the same straight line, the welding position is accurate and not prone to deviation and inclination, and the machining efficiency can be improved.

The present invention relates to a fillet knife welding machine, comprising a machine platform, a material shifting device is arranged on the machine platform, the material shifting device comprises a shell and a three-axis moving mechanism, the shell is arranged on the three-axis moving mechanism, a fastening mechanism is arranged at one end of the shell, and a rotating mechanism is arranged at the other end, a first feeding device, an angle detection device, a gluing device, and a second feeding device are arranged in sequence at one end of the material shifting device, a welding station is arranged between the second feeding device and the material shifting device, and a welding device is arranged between the second feeding device and the material shifting device. By adopting the above technical scheme, the feeding and welding are fully automated, and compared with manual welding, its positioning is more accurate, the welding quality is high, and the labor intensity is reduced, and standardized production is realized; two-way synchronous feeding is more efficient; suction feeding is adopted, and the feeding is more accurate and reliable, and the stability is high; the second feeding device is arranged to make the positioning of the welding of the two more accurate, and the finished product quality is high; the angle detection device ensures the product quality.

The utility model discloses induction brazing equipment for a water nozzle of a water cooling plate, which belongs to the technical field of brazing equipment and comprises a worktable, a mounting frame is fixedly mounted at the top of the worktable, and a moving mechanism for moving a heating component is arranged on the rear side of the top of the worktable. Two brazing mechanisms used for conducting induction heating on a welding workpiece are symmetrically arranged on the top of the workbench. By means of the mode, a workpiece is clamped and placed at a set position through the tool clamp assembly, then the moving mechanism is started to drive the heating assembly to move to a set machining position, the workpiece is heated through the heating assembly to achieve open-fire-free welding, temperature is monitored in real time through the temperature control assembly, and therefore an operator makes a response, and the work efficiency is improved. Welding work can be conducted simply and conveniently, the welding quality is guaranteed, and the welding position is accurate through induction welding.

The invention discloses a welding device for the production and processing of automobile parts, and the invention relates to the field of welding technology. In order to ensure the reliability of torque transmission, the shaft rod is made of high-strength steel, so that the shaft rod has a large mass. In the process of rotating to adjust the welding position, the mass of the shaft rod itself causes a large friction force, so that the torque between the shaft rod and the flange plate is too large, resulting in cracks caused by the excessive torque when the welding position is not cooled during the welding process. Therefore, the contact between the arc block and the groove cylinder makes the slide block slide in the slide groove of the groove plate, so as to drive the groove frame and the clamping wheel to clamp inward at the same time, so that the axis center of the shaft rod and the axis center position of the chuck mechanism are on the same straight line, so as to ensure the accuracy of the welding position of the flange plate and the shaft rod. At the same time, the clamping wheel contacts the shaft rod to be welded, and rolling is used to reduce the friction force, so that the torque between the flange plate and the shaft rod is reduced during the welding rotation process, so as to prevent the cracks caused by the excessive torque when the welding position is not cooled during the welding process.

The utility model discloses a high-altitude welding bracket for a steel structure canopy. The high-altitude welding bracket comprises a pair of vertical adjusting plates which are arranged in parallel, and a bearing cross brace which is transversely erected on one sides of the two vertical adjusting plates, the upper end of the vertical adjusting plate is fixedly connected with a hanging plate with the section of an inverted-L-shaped structure, the length direction of the hanging plate is perpendicular to the length direction of the vertical adjusting plate, a strip-shaped hole is formed in the vertical adjusting plate in the length direction, and a plurality of pairs of connecting holes are formed in the bearing transverse support at intervals in the length direction. The distance direction of the two connecting holes in each pair is consistent with the length direction of the strip-shaped hole, bolt assemblies are arranged in the two pairs of connecting holes in a matched and penetrating mode, and the bearing transverse support is fixedly connected to the two vertical adjusting plates in an attached mode through the bolt assemblies. The device has the advantages that the device can be easily clamped and hung on the longitudinal beam of the steel structure canopy, meanwhile, the cross beam perpendicularly welded to the longitudinal beam is stably supported, it is guaranteed that the welding position is accurate and fixed, welding operation is convenient, manual lifting of the cross beam is effectively avoided, and stability and accuracy during welding of the cross beam and the longitudinal beam are guaranteed.

The invention provides a positioning mechanism of an oil cylinder welding device, which relates to the technical field of oil cylinder welding and comprises a placing plate, a strip-shaped insertion hole is formed in one side of the outer wall of the placing plate, and a lengthening plate is movably inserted into the inner surface wall of the strip-shaped insertion hole. According to the oil cylinder welding device, firstly, two electric push rods are started according to the specification and size of an oil cylinder needing to be welded, under the action of two moving grooves, two moving blocks and two connecting blocks, a lengthening plate is driven by the electric push rods to move by a proper distance in a strip-shaped inserting hole, then the oil cylinder needing to be welded is placed on a placing plate and abuts against a fixing plate, then a screw rod is rotated, and the oil cylinder is welded. Under the action of the two limiting grooves and the two limiting blocks, the positioning plate is driven to stably move towards one side, the oil cylinder needing to be welded is positioned between the fixing plate and the positioning plate, the use flexibility is high, oil cylinders of more specifications and sizes can be positioned and welded, and therefore the oil cylinder positioning and welding efficiency is improved.

The invention belongs to the technical field of battery production equipment, and particularly relates to automatic directional feeding and welding equipment for inner pole pieces of CR series batteries and an operation method of the automatic directional feeding and welding equipment for the inner pole pieces of the CR series batteries. A shell feeding assembly, an electrode plate feeding assembly, an automatic welding machine and a discharging grabbing arm which are electrically connected with the industrial control module as the servo rotating disc are sequentially arranged on the outer side of the servo rotating disc in a surrounding mode and correspond to the shell jigs, and the electrode plate feeding assembly comprises a flexible vibration disc. A vertically-downward recognition camera and a workpiece taking mechanical arm are arranged above the flexible vibration disc. The button cell internal pole piece feeding and welding device can rapidly and accurately feed and weld the button cell internal pole pieces in an oriented mode, is high in automation degree and is beneficial to improving the production benefits of enterprises.

The machining device comprises a fixed bottom plate, side supporting frames are fixed to the left portion and the right portion of the top face of the fixed bottom plate respectively, upper transverse adjusting mechanisms are installed on vertical plates of the side supporting frames respectively, vertical plates are fixed to the positions, on the inner sides of the two side supporting frames, of the top face of the fixed bottom plate respectively, and upper transverse adjusting mechanisms are installed on the vertical plates. Lower transverse adjusting mechanisms are mounted on the two vertical plates; the lower portion of the inner cylinder of the silencing cylinder to be machined is located between the two lower clamping plates of the two lower transverse adjusting mechanisms, the outer cylinder of the silencing cylinder is inserted and sleeved outside the inner cylinder of the silencing cylinder, the bottom face of a bottom end plate of the outer cylinder of the silencing cylinder abuts against the top faces of the two lower clamping plates in a pressing mode, and the outer cylinder of the silencing cylinder is located between the upper clamping plates of the two upper transverse adjusting mechanisms. The silencer inner cylinder and the silencer outer cylinder which need to be machined can be positioned and limited, manual welding is facilitated, and the welding effect is good.

The invention provides a medium-frequency internal welding multi-head spot welding machine which comprises a rack, a jacking device and two sets of multi-head spot welding devices arranged on the left side and the right side of the rack correspondingly, the portion, located between the two sets of multi-head spot welding devices, of the rack is provided with a welding area, and the jacking device is installed on the rack and located below the welding area. A main sliding rail extending in the left-right direction is arranged on the rack, the two sets of multi-head spot welding devices are oppositely arranged and slidably connected to the main sliding rail, each multi-head spot welding device comprises a base, a base, a lifting mechanism and two sets of welding mechanisms, the lifting mechanisms are installed on the bases and used for driving the bases to move up and down, the bases are slidably connected with the main sliding rail, and the welding mechanisms are installed on the bases. The two welding mechanisms are oppositely arranged front and back. The intermediate-frequency internal welding multi-head spot welding machine can be used for welding and fixing some shell structures needing to be spliced, it is ensured that the welding position of each time is accurate and regular, the problem that later-stage grinding is needed due to the welding problem is solved, assembly line type production can be matched, and the use requirement of automatic production is completely met.

The application discloses a precision control sawing joint welding machine set and a welding method, which comprises a machine base, a telescopic air cylinder connected to the machine base through a support, a welding head connected to the telescopic air cylinder through a lifting plate, a support plate arranged on the machine base, a tooth rod installed below the lifting plate, a protective cover connected to the tooth rod through a driving assembly, and a monitor installed in the protective cover. The precision control sawing joint welding machine set and the welding method do not need an additional power source to control the protective cover, thereby reducing the problems of cost and energy consumption caused by the setting of a complex structure, the protective cover is convenient to block sparks, effectively avoids the harm caused by the splashing of welding sparks to operators, protects surrounding equipment from being damaged by sparks, improves operation safety, the auxiliary structure moves through a horizontal moving seat and a vertical moving seat, and precise welding is realized by cooperation of the monitor and the welding head, so that multi-directional adjustment of workpieces is realized and overall welding efficiency is improved.

The utility model discloses a wind driven generator stator parallel ring leading-out copper plate welding positioning tool which comprises a bottom frame, a positioning plate and a positioning rod. The bottom frame comprises two front vertical rods, two rear vertical rods, a left mounting plate, a right mounting plate, a flat plate and a stop block; a left mounting plate is connected between one front vertical rod and one rear vertical rod, a right mounting plate is connected between the other front vertical rod and the other rear vertical rod, flat plates are connected to the tops of the two rear vertical rods, and check blocks are connected to the flat plates; a reserved mounting hole in the left end of the positioning plate is detachably connected with a mounting notch in the left mounting plate, and a reserved mounting hole in the right end of the positioning plate is detachably connected with a mounting notch in the right mounting plate; and one end of the positioning rod is detachable from the positioning rod connecting hole in the positioning plate. The device is accurate in positioning, and can ensure that the angle position of a lead-out copper plate is within the required range; and the universality is high, and the positioning requirements of various machine types can be met only by replacing small parts, namely the positioning plate.