25results about How to "Simplify the welding process" patented technology

The invention provides a tool structure for laser welding positioning, and belongs to the technical field of laser welding, the tool structure comprises a positioning mechanism and a clamping mechanism, the positioning mechanism comprises a base, a positioning plate is movably mounted at the top end of the base, a cover plate is placed at the top end of the positioning plate, and positioning assemblies are arranged at the four corners of the top end of the cover plate; the cover plate is fixed to the position over the positioning plate in a limited mode through a positioning assembly, connecting grooves are symmetrically formed in the left side and the right side of the top end of the base, connecting plates matched with the connecting grooves are symmetrically installed on the left side and the right side of the bottom end of the positioning plate, and the two connecting plates are inserted into the two connecting grooves. According to the tool structure, the whole welding process is optimized, the problems of high cost and low efficiency in traditional welding are solved, welding materials are allowed to be rapidly and accurately placed and fixed through the design of the tool, the downtime and the setting time of a machine are shortened, and therefore the throughput of a production line is improved.

A box type guide rail of a hydraulic climbing device of a tower building machine comprises two side plates, a middle plate is arranged between the two side plates, and the middle plate and the side plates are connected in an inserted mode and then fixed in a welding mode to form the box type guide rail. The box-type guide rail aims to solve the technical problem of a box-type guide rail in a hydraulic climbing device of a tower building machine, a traditional box-type guide rail is difficult to weld and form and poor in consistency, an innovative structure that the middle plate and the side plates are welded after being connected in an inserted mode is adopted, the middle plate and the side plates are cut through laser, and matched plugs and insertion holes are designed; wherein a chamfer is arranged at the outer side end of the plug, so that the welding difficulty is successfully reduced, the consistency of each box type rail finished product is ensured, the production quality and efficiency of the box type guide rail are effectively improved, and reliable guarantee is provided for stable operation of a tower building machine.

This invention discloses an electrode assembly, a battery, a battery pack including the same, and an automobile. The electrode assembly defines a core and an outer peripheral surface by winding around an axis with a first electrode, a second electrode, and a separator membrane between them. The electrode assembly is characterized in that the first electrode includes an uncoated portion at its long side end that exposes to the outside of the separator membrane along the winding axis direction of the electrode assembly. A portion of the uncoated portion is bent in the radial direction of the electrode assembly to form a bent surface region comprising overlapping layers of the uncoated portion. In a portion of the bent surface region, the number of layers of the uncoated portion in the winding axis direction of the electrode assembly is 10 or more.

The invention discloses a vehicle D column structure, a manufacturing method thereof and a vehicle, the vehicle D column structure comprises a rear support column reinforcing plate assembly, a rear support column inner plate assembly and a D column tubular beam assembly, and the D column tubular beam assembly is arranged between the rear support column reinforcing plate assembly and the rear support column inner plate assembly. The D-column tubular beam assembly comprises a D-column tubular beam extending in the longitudinal direction and a plurality of connectors arranged at the two ends of the D-column tubular beam. The multiple connectors comprise a C-column tubular beam connector located at one end, a D-column upper tubular beam connector, a D-column middle tubular beam connector and a D-column lower tubular beam connector, wherein the D-column upper tubular beam connector, the D-column middle tubular beam connector and the D-column lower tubular beam connector are sequentially arranged towards the other end at intervals. The D-column tubular beam is made of high-strength steel, and a plurality of joints are aluminum casting pieces and are connected into a whole through a semi-solid casting process. The manufacturing method comprises the steps that the D-column tubular beam is placed into a mold cavity, aluminum alloy is heated to the semi-solid temperature range and injected into the mold cavity, cooling forming is conducted after pressurization and pressure maintaining are conducted, and finally all assemblies are connected. The structural strength and rigidity of the D column are improved, and the safety performance of a vehicle during rolling is enhanced.

The utility model relates to a welding structure of a battery, the battery, a battery pack and electric equipment. The welding structure of the battery comprises a pole core and a transition sheet, a plurality of layers of tabs extend out of the end part of the pole core, the transition sheet is positioned on one side of the plurality of layers of tabs, a first welding printing area and a second welding printing area are arranged on the transition sheet, the first welding printing area is used for being connected with the plurality of layers of tabs in a welding manner, and the second welding printing area is used for being connected with a cover plate assembly of the battery in a welding manner; the first welding and printing area is provided with a first salient point structure, and when the transition piece and the tabs are welded and connected through the first welding and printing area, the first salient point structure can pierce and be connected with the multiple layers of tabs. According to the battery welding structure provided by the utility model, the welding process of the multi-layer tabs and the cover plate assembly can be simplified, and the welding quality can be ensured.

The utility model discloses a double-layer sealed full-liquid-receiving floating disc, and relates to the technical field of inner floating discs for storage tanks, in particular to the double-layer sealed full-liquid-receiving floating disc. The connecting structure has the advantages of being high in connecting strength, long in service life and stable in operation. The double-layer sealing full-liquid-receiving floating disc comprises a plurality of buoyancy units. Every two adjacent buoyancy units are connected through a connecting beam. The buoyancy unit comprises a buoyancy unit box and upper and lower layers of buoyancy units arranged in the buoyancy unit box; the upper-lower layer buoyancy unit comprises an upper layer buoyancy unit and a lower layer buoyancy unit which are connected up and down; the lower-layer buoyancy unit comprises a first connecting plate, a second connecting plate and a lower-layer prefabricated honeycomb fixedly connected between the first connecting plate and the second connecting plate; the upper-layer buoyancy unit comprises a third connecting plate and a lower-layer prefabricated honeycomb fixedly connected to the lower surface of the third connecting plate; the second connecting plate and the third connecting plate are both hermetically connected with the buoyancy unit box; the ratio of the height of the lower-layer buoyancy unit to the height of the upper-layer buoyancy unit to the height of the lower-layer buoyancy unit is 2: 3.

The invention relates to the technical field of laser welding, and particularly discloses an automatic feeding diamond saw blade laser welding machine which comprises a fixing seat, a supporting table and a support are fixedly connected to the top of the fixing seat, a hydraulic cylinder is fixedly installed at the bottom of the supporting table, and a feeding assembly is arranged at the bottom of the support. A welding assembly is arranged between the supporting table and the feeding assembly. In the diamond saw blade production process, a plurality of tool bits are sequentially installed in a feeding cavity formed by a connecting base, a feeding base and a partition plate, positioning of the tool bits is completed through a feeding mechanism, so that a supporting mechanism drives a top base body to move upwards, synchronous splicing of the tool bits and the base body is achieved, then a welding mechanism is started, and after welding of the base body and the bottoms of the tool bits is completed, the tool bits are welded. The hydraulic cylinder is started to drive the movable base to descend, the welding head is turned over through supporting of the push block, the top of the base body can be pressed, welding of the base body and the top of the tool bit can be completed, and therefore the feeding and welding processes are simplified, operation convenience is guaranteed, the welding quality is improved, and the operation risk is reduced.

The invention relates to a method for producing a material connection, in particular a welded connection, between an upper joining part (52) and a lower joining part (54), in which the following method steps are carried out: first, the upper joining part (52) is connected to the lower joining part (54); an upper engagement part (52) having a substantially flat first contact surface (66) is arranged above a lower engagement part (54) having a projection or projection (56). The arrangement is then supported by a load-bearing or support structure (50). A punctiform, flat welding head (64) is then positioned above the contact area (70) between the upper joining part (52) and the lower joining part (54). Finally, a material connection, in particular a welded connection, is produced in the contact region (70).

The present application relates to the technical field of automobile welding processing, in particular to a kind of automobile roof stamping cross beam and frame welding stress relief fixture and its welding system, solve the problem that automobile roof stamping cross beam and frame are welded, general fixture or the occlusion of the welded part is carried out, resulting in the problem that welding needs to be segmented.The first support platform and the second support platform are included, the top of the first support platform is fixed with the fixture body, the top of the second support platform is installed with two support electric telescopic rods, the top of the two support electric telescopic rods is fixed with the auxiliary support plate, and the auxiliary support plate is attached to the curve of the frame bottom.The fixture body includes a fixed plate, a first adjusting telescopic rod and a second adjusting telescopic rod are respectively arranged above and below the fixed plate.The present application can cover the clamping and fixing of automobile roof stamping cross beam and frame, and the continuous welding operation of the contact part of the welding torch to the automobile roof stamping cross beam and frame is not affected after clamping.

The application provides an automatic welding device and method for processing wiring terminals, and relates to the technical field of automatic welding. The device comprises a rotating disc part, at least two groups of flexible tooling, a conveying assembly and a positioning and welding assembly. According to the application, the first workpiece is flexibly loaded on the rotating disc part and is transferred between the loading station and the welding station by the rotating disc part and the flexible tooling. Since the flexible tooling and the rotating disc part are connected in a floating manner, when the first workpiece is placed in the tooling, the tooling can adapt to the posture and position deviation of the workpiece, thereby effectively compensating for the cumulative error caused by the rotating disc indexing error, the tooling manufacturing tolerance and the workpiece size fluctuation. Compared with the rigid fixed tooling in the prior art, the application avoids the problems of welding point deviation or virtual welding caused by position deviation, and significantly improves the consistency of the welding position and the product yield.

This invention relates to the field of submerged arc welding equipment technology and discloses a fully automatic submerged arc welding machine, including a rotating frame, a moving carriage, a C-shaped frame, a welding mechanism, a feeding mechanism, and a suction device. The C-shaped frame is mounted on the moving carriage, and an adjustment table is provided at the upper end of the C-shaped frame. A frame is provided on the adjustment table, and the welding components of the welding mechanism are mounted on the frame. When performing double-sided straight seam welding on the workpiece, a straight plate protective material mechanism is installed at the end of the C-shaped frame. The straight plate protective material mechanism includes a straight plate protective material mechanism installed at the end of the C-shaped frame, which symmetrically clamps the weld seam of the workpiece. When performing circumferential double-sided welding on the workpiece, an annular plate protective material mechanism is installed on the inner and outer sides of the joint of the two workpieces. This invention realizes fully automatic double-sided welding operation, effectively solves the core problems such as complicated process, rapid loss of molten pool temperature, loss of weld liquid, and poor formation, and greatly improves welding efficiency and weld formation quality. It is suitable for double-sided welding scenarios of straight seam and circumferential seam.

The present invention provides a welding device for the butt joint annular seam between a short barrel and a head of a stainless steel rocket tank, comprising: a short barrel-end support base and a foldable column module, wherein the short barrel-end support base is used to support the foldable column module; the foldable column module comprises a short barrel-end support column and a short barrel-end internal support module, wherein the short barrel-end internal support module can rotate around the short barrel-end support column to make the free end of the short barrel-end internal support module approach or move away from the short barrel-end support column; the foldable column module can rotate around the circumferential direction of the short barrel-end support base to drive the short barrel-end internal support module to rotate around the circumferential direction of the short barrel-end support base to support the butt joint annular seam between the short barrel and the head. The welding device can simplify the butt joint annular seam welding process between the short barrel and the head of a stainless steel tank.

The utility model relates to the technical field of batteries, particularly provides a cylindrical battery monomer, and aims to solve the technical problems that the welding efficiency of a cover plate and a shell of the cylindrical battery monomer is low, the cost is high, and the air leakage risk of penetration welding of a current collecting component and the cover plate is high. Therefore, the cylindrical single battery provided by the utility model comprises a shell with an opening at one end; the electrode assembly is arranged in the shell; the first plate body is arranged at the opening, and the first plate body is electrically connected with the shell and the electrode assembly respectively; the second plate body is arranged on the side, away from the electrode assembly, of the first plate body, and the second plate body is electrically connected with the first plate body. The first plate body is electrically connected with the shell and the electrode assembly, and the second plate body is electrically connected with the first plate body, so that the welding process of the first plate body and the second plate body with the shell is simplified, the part and assembly cost is reduced, and the production and manufacturing efficiency is improved.

The invention is suitable for the technical field of welding assistance, and provides an auxiliary control system and control method for sheet metal part welding machining, the auxiliary control system comprises a welding assembly, a first positioning piece is in sliding fit with the welding assembly, and a second positioning piece is in sliding fit with the side, away from the first positioning piece, of the welding assembly; the auxiliary control system solves the problems that when an existing auxiliary control system for sheet metal part welding machining is used for conducting welding machining on sheet metal, alignment operation before welding is difficult to conduct on two sheet metal parts to be welded, and consequently the sheet metal parts cannot be welded easily when welding operation is conducted in the later period. The problems that the operation process is too complex and the welding effect of the two sheet metal parts is reduced due to the fact that the two sheet metal parts which are attached to each other need to be aligned and righting by means of other modes in the prior art are solved, the alignment operation of the two sheet metal parts before welding can be completed, and the welding effect of the two sheet metal parts is synchronously improved while the welding process is simplified.

The utility model belongs to the technical field of power batteries, and discloses a battery cover plate assembly and a single battery. The battery cover plate assembly comprises a cover plate body, two pole columns and two current collecting plates, the two poles are arranged on the cover plate body at an interval, and each pole penetrates through the cover plate body in an insulating and sealing manner; the two current collecting plates are arranged in an insulating manner; one ends of the two current collecting plates are connected to the inner connecting parts of the two pole columns in a one-to-one correspondence manner; the other ends of the two current collecting plates extend out of the cover plate body along the radial direction of the cover plate body and can be connected with two tabs of the battery cell in a one-to-one correspondence manner; the flow collecting plate can be folded, so that the other end of the flow collecting plate can be folded in the cover plate body. According to the battery cover plate assembly, the positive pole and the negative pole can be arranged on the same side of the battery, the structural internal resistance is reduced, meanwhile, the battery packaging process is simple and convenient, and the packaging efficiency and the yield are relatively high.

The utility model relates to a kind of electric meter circuit board reflow soldering mould, including bottom plate, the front of bottom plate is equipped with the circuit board card slot for circuit board insertion, the periphery outside of circuit board card slot is equipped with the rotatable and the rotating block of compacting circuit board, multiple device slots for electronic component insertion are equipped in circuit board card slot, pin hole for the pin of electronic component insertion is opened in device slot, the back of bottom plate is respectively equipped with baffle corresponding device slot position.This utility model can insert pin type device in advance on circuit board, reflow soldering with other patch type device, that is, all devices can be welded by once reflow soldering of this utility model, greatly simplify the welding process, shorten production cycle.

The present application relates to the technical field of pipeline welding, in particular to a heat pipeline construction butt joint device and method, the device comprises two N-shaped frames, a hydraulic rod is connected between the two N-shaped frames, cams are rotatably connected to the top and both sides of the lower part of the two N-shaped frames, the two N-shaped frames are clamped on a first pipeline and a second pipeline to be butt jointed through the bottom openings, the first pipeline and the second pipeline are centered after the rotation of the cams, the hydraulic rod is shortened to pull the end of the first pipeline and the second pipeline close; a welding gun is arranged between the two N-shaped frames, the welding gun can revolve around the butt joint part of the first pipeline and the second pipeline to weld the first pipeline and the second pipeline; the method comprises centering, welding gap adjustment, welding and removing the device; the present application is convenient to assemble and disassemble, suitable for the construction in narrow space in a groove, simplifies the assembly and welding process, improves the construction efficiency and the welding quality.

The utility model discloses a double-sided patch board, which comprises a shell, a plurality of inner cores and a copper sheet assembly, the plurality of inner cores are detachably arranged in a cavity of the shell, each inner core comprises a bottom shell and a cover plate buckled on the bottom shell, the cover plate is provided with a first socket hole site, the side wall of the bottom shell is provided with a second socket hole site, and the copper sheet assembly is arranged in the bottom shell. The first socket hole position and the second socket hole position are vertically arranged, the first socket hole position is a three-hole hole position, the second socket hole position is a two-hole hole position, slots opposite to the first socket hole position and the second socket hole position are formed in the bottom shell, and avoiding holes opposite to the first socket hole position and the second socket hole position are formed in the outer shell. The copper sheet assembly comprises a slot copper sheet arranged in the slot and a line copper sheet arranged between two adjacent inner cores, and the slot copper sheet and the line copper sheet are integrally connected. According to the double-sided patch board, the conductive copper sheets are arranged to be of an integrated structure, so that circuits of the patch board are neat, wiring is not needed, and the problems of misconnection, missed connection and the like are avoided.

The utility model provides a kind of tab welding fixture.The welding fixture includes: bearing plate, first clamping part and second clamping part.The top plane of bearing plate forms the placement position of the battery to be welded;First clamping part is connected with bearing plate, and first clamping part is movably arranged relative to bearing plate along the first direction;Second clamping part is oppositely arranged with first clamping part, and second clamping part is connected with bearing plate;Wherein, first clamping part has the clamping position of moving towards second clamping part to make first clamping part and second clamping part fix the tab of the battery to be welded, and first clamping part has the release position of moving in the direction away from second clamping part to release tab, when first clamping part is in clamping position, the limiting space for fixing the pole piece of the battery to be welded is formed between first clamping part and bearing plate.The present scheme solves the problem of low matching degree of welding equipment in the prior art, thereby affecting the welding quality.

The utility model discloses a kind of light-weight valve seat structures for oil cylinder belongs to hydraulic equipment parts technical field.The valve seat structure splits the original integral oil passage valve seat into balance valve fixed block and oil passage block, balance valve fixed block is provided with threaded hole, installation groove and positioning protrusion, and oil passage block is provided with oil passage channel and positioning groove;Balance valve fixed block is pre-assembled and positioned by threaded hole and auxiliary tool, and full welding after accurate cooperation of oil passage block and balance valve fixed block by positioning structure.The structure retains the function of original valve seat, significantly reduces the welding amount to reduce the deformation of cylinder bore, significantly reduces the weight of valve seat to realize light weight, ensures assembly accuracy through positioning structure, optimizes welding process to improve production efficiency, and has strong adaptability, and can be widely applied to various oil cylinder equipment.

This invention provides a PCB power cord soldering structure and a power adapter. The PCB power cord soldering structure includes: a PCB board (1), comprising a board body (11) and a planar pad (13) on a first side of the board body (11) surface (12); and a power cord (2), disposed on one side of the PCB board (1) and soldered along the board surface (12) onto the planar pad (13). According to the PCB power cord soldering structure of this invention, soldering is simple and convenient, and the soldering defect rate is low.

The invention relates to the technical field of batteries, and discloses a battery cell, a battery and electric equipment, the battery cell comprises a first pole piece group, a second pole piece group, a diaphragm group and a first bus piece; the first pole piece group comprises a plurality of first pole pieces, and each first pole piece comprises a first current collector and a first tab; the second pole piece group comprises a plurality of second pole pieces, the plurality of first pole pieces and the plurality of second pole pieces are alternately stacked, and each second pole piece comprises a second current collector; the diaphragm group comprises a plurality of diaphragms; the first tabs of the two adjacent first pole pieces are partially overlapped; the first bus piece is welded with all the first tabs in the first pole piece group; according to the battery cell provided by the invention, the two adjacent first tabs are partially overlapped, so that the first bus piece and all the first tabs in the first pole piece group can be welded through welding equipment after the pole pieces of the battery cell are stacked, the welding process is simple, and the production cost is low.

This utility model relates to a dual-flow heat exchanger, comprising: a core; a first end cap assembly fixedly connected to the core; and a second end cap assembly including an inlet pipe, an outlet pipe, a first housing, and a second housing, both the first and second housings being fixedly connected to the core. The inlet pipe is fluidly connected to the second housing, and the outlet pipe is fluidly connected to the first housing, thereby allowing the heat exchange medium to enter through the inlet pipe and exit through the outlet pipe. The dual-flow heat exchanger provided in this application has the advantages of simple structure and easy assembly. Furthermore, the entire welding process of this dual-flow heat exchanger is simple, with no welding blind spots. Compared to the prior art, the dual-flow heat exchanger provided in this application achieves high welding quality and a low product defect rate due to sufficient welding and the absence of welding blind spots.

The utility model relates to the technical field of batteries, in particular to a cylindrical battery monomer, and aims to solve the technical problems that when the cylindrical battery monomer is in thermal runaway under different working conditions, a roll core is sprayed out to generate adverse effects, and the safety performance is poor due to a smaller valve opening area. Therefore, the cylindrical single battery provided by the utility model comprises a shell with an opening at one end; the electrode assembly is arranged in the shell; the first plate body is arranged at the opening, the first plate body is electrically connected with the shell and the electrode assembly, and the first plate body is provided with a first weak part; and the second plate body is arranged on one side, far away from the electrode assembly, of the first plate body, is hermetically connected with the first plate body and is provided with a second weak part. According to the utility model, the welding process of the first plate body and the second plate body with the shell is simplified, the part and assembly cost is reduced, and the production and manufacturing efficiency is improved; and meanwhile, the safety requirements of the battery cell under different working conditions are met, enough pressure relief area can be ensured, and the safety of the battery cell is ensured.