79results about How to "Improve Spot Welding Efficiency" patented technology

The invention provides a gantry-type automatic spot welding system for a battery pack, which comprises a spot welding device and a spot welding jig fixing device which are vertically arranged and are connected with a PLC (programmable logic controller) of the system. The spot welding device comprises a beam, a group of opposite vertical columns in parallel, a spot welding mechanism, an X-axis sliding table, a Y-axis movement mechanism and an X-axis movement mechanism, wherein the vertical columns are used for adjusting the height of the beam, the X-axis sliding table is used for fixing the spot welding mechanism, the Y-axis movement mechanism enables the spot welding mechanism to transversely move, and the X-axis movement mechanism enables the X-axis sliding table to transversely move. The spot welding jig fixing device comprises a spot welding jig platen and a clamping mechanism for clamping a spot welding jig, wherein the clamping mechanism is arranged on the spot welding jig platen and is perpendicular to the spot welding mechanism. By the aid of a gantry-type structure, clamping is performed once, cells are numerous, spot welding parameters are controllable, and the system is fast in running speed, high in spot welding efficiency, highly adaptable to the cells, accurate in positioning and fine in spot welding quality.

The invention discloses a spot welding machine for batteries. The spot welding machine for the batteries comprises a rack, a spot welding device and a jig returning belt, wherein the spot welding device and the jig returning belt are arranged on the rack. The spot welding device comprises a conveying belt, a spot welding frame and a spot welding machine. The conveying belt is located in the middle of a worktable, passes through the spot welding frame and is used for conveying the batteries from front to back; welding heads of the spot welding machine are respectively located at both sides of the spot welding frame; a lead screw is driven by a motor to control the welding heads to horizontally move; when the batteries are conveyed to a spot welding station by the conveying belt, a spot welding operation can be performed. After all the batteries are welded, a tray assembly falls, and a jig falls to the conveying belt, and the conveying belt continues to move forward to convey the batteries; after the welded batteries are taken out by personnel in the rear of the rack, the jig is put to the jig returning belt to return to the worktable of the rack for cycle use. The spot welding machine for the batteries has the advantages that the structure is reasonable, the spot welding quality is high, the spot welding efficiency is high, and the like.

The invention provides an automatic spot welding machine for welding a capsule and relates to the field of spot welding equipment. The automatic spot welding machine comprises two turntable devices, handle feeding devices, a sheet feeding device, welding devices, unloading devices, mold cleaning devices and turntable positioning devices, wherein the two turntable devices are distributed on the two sides of the sheet feeding device; a sheet feeding guide groove capable of conveying capsule sheets to the turntable devices on the two sides respectively is formed in the sheet feeding device; each handle feeding device, each welding device, each unloading device, each mold cleaning device and each turntable positioning device are distributed around each turntable device; each turntable device comprises a turntable; clamp grooves matched with each turntable positioning device is distributed at the circumferential edge of each turntable at intervals; capsule positioning grooves with center through holes are distributed on the upper surface of the turntable around the periphery of the turntable at intervals; and a welding ejection mechanism is arranged below each capsule positioning groove. With the adoption of the automatic spot welding machine, spot welding is conducted automatically, the labor is liberated, the potential safety hazards of manual operation are avoided, and the spot welding efficiency and the quality of a spot welding product are improved.

The invention relates to an electrode system for improving performances of a steel-aluminum dissimilar metal resistance spot welding head. The system comprises a pair of positive electrode and negative electrode, which are arranged oppositely and have different end face structures; the end face of the positive electrode is a ball end face and is in contact with the surface of an aluminum part to be machined; two annular grooves, which are concentrically arranged and have different radiuses, are formed in the ball end face; and the end face of the negative electrode is a fat end face and is in contact with the surface of a steel part to be machined. Compared with the prior art, heat distribution of a steel-aluminum interface can be effectively improved, the growth of an IMC (Intermetallic Compound) on a connector interface is weakened, a stable button breaking mode is obtained, and the reliability of a connector in connection is improved.

The invention relates to the technical field of lithium battery production, and discloses cylindrical lithium battery production equipment. The equipment comprises a rack, and a bottom welding device,a turntable jig device, a diaphragm mounting device, a conveying device and a dispensing device which are mounted on the rack, wherein the bottom welding device is connected with the conveying device, the conveying device is arranged on the side of the turntable jig device, the diaphragm mounting device corresponds to the turntable jig device, and the dispensing device corresponds to the middle part of the conveying device. The equipment has the advantages that a separable copper bar is adopted as the welding electrode, the spot bottom welding position of a negative tab is accurate, the rigidity of the conveying mechanism is high, and the welding efficiency is high; the roundness of a battery shell is detected, a positive tab is straightened, the shape precision is high, and subsequent processing is facilitated; a diaphragm is processed by a double-station conforming die, so that the forming and assembling efficiency is improved; the forming effect is good, the battery is prevented from rolling over, the dispensing efficiency is high, and the conveying is convenient.

The invention relates to a micro-arc spot welding process for the secondary coil terminal lug of an ignition coil, comprising the two steps of removing oxidation layer and micro-arc spot welding. Firstly, the winding position of the secondary coil terminal lug is polished by a fine emery paper; subsequently, the micro-arc spot welding is carried out at the winding position according to the setup parameters and the operation standard so as to lead the melted metal to form a solder joint ball, thus covering the secondary winding end at the winding position of the secondary coil terminal lug; and after arc-extinguishing, the argon is postponed to be closed for 0.5 seconds so as to protect the cooling and solidification of the solder joint ball. Compared with the general electric soldering iron welding process, the micro-arc welding process has the advantages of containing no lead, environment protection, having no harm to human, high spot welding efficiency, smooth solder joint ball, covering the secondary winding end at the winding position of the secondary coil terminal lug, thus preventing point discharge and improving the durability of the ignition coil.

The invention discloses a license plate small lamp assembling machine. The machine comprises a small lamp feeding device, a small lamp welding device, a small lamp shell assembling detection device and a small lamp automatic output line, wherein the right side of the small lamp feeding device is connected with the small lamp welding device, the right side of the small lamp welding device is connected with the small lamp shell assembling detection device, and the right side of the small lamp shell assembling detection device is connected with the small lamp automatic output line. The license plate small lamp assembling machine has the beneficial effects that the small lamp device automatically feeds small lamp circuit boards, the small lamp welding device performs spot welding on small lamps and the small lamp circuit boards, the spot welding efficiency is high, and a lamp body feeding mechanical arm on the small lamp shell assembling detection device feeds two kinds of small lamp shells on a small lamp shell feeding device; and a small lamp shell assembling mechanism is used for assembling the small lamps, the small lamps are recycled through a discharging mechanical arm, qualified products are automatically discharged through the small lamp automatic output line, small lamp assembling is accurate, and the assembling efficiency is high.

The invention discloses a multi-station full-automatic spot welding machine for tablet personal computer earphone machining, and relates to the technical field of tablet personal computer earphone machining. The multi-station full-automatic spot welding machine comprises a machined part and a hydraulic air cylinder, a conveying device is arranged outside the machined part, and side plates are installed at the two ends of the outer portion of the conveying device. By arranging the conveying device, the machined part needing spot welding can be placed on a first conveying belt to be subjected tothe unified conveying treatment in a using process, meanwhile, the interaction of a right bottom block and an electric push rod and the mutual cooperation of a left supporting rod, a connecting block, a left bottom block, a right supporting rod and a connecting shaft can be utilized according to the actual using requirement to properly adjust the placing angle of the first conveying belt, so thatmore flexibility is achieved in an article conveying process, conveying guiding can be conducted through the gravity effect of the machined part when the first conveying belt cannot be used, manual operation of a user is not needed, and the user can use conveniently.

The invention discloses a novel spot welding machine, which comprises a base cavity and a column, the column is fixed on one side of the base cavity, a slide rail is arranged inside the column, the spot welding head fixing seat is slidably connected on the slide rail, and the lower end of the spot welding head fixing seat passes through a worm wheel The worm screw pair is connected to the spot welding head, and the worm gear and worm screw pair is electrically connected to the motor set on the spot welding head fixing seat. The motor is equipped with a workpiece clamping mechanism on the rotating platform. The invention has a simple structure, can realize multi-angle and spot welding of different parts of the workpiece, and has high spot welding efficiency.

The invention discloses a spot welding device for a power battery pack electrode slice. The spot welding device comprises a conveying assembly, two spot welding assemblies and a moving assembly, wherein the conveying assembly comprises a conveying rail and a first driving part used for driving the conveying rail to slide along the X axis of a rack; a conveying space for allowing a spot welding jigto be embedded in a sliding manner is formed in the conveying rail; a preparation station, a spot welding station and a finish station are sequentially arranged in the conveying space in the conveying direction of the spot welding jig; the two spot welding assemblies are arranged on the rack and are positioned on the two sides of the spot welding station of the conveying rail; the spot welding assemblies comprise spot welding heads, second driving parts used for driving the spot welding heads to slide along the Y axis of the rack, and third driving parts used for driving the spot welding heads to slide along the Z axis of the rack; and the moving assembly is arranged on the conveying assembly, and is used for conveying the spot welding jig between the preparation station and the spot welding station and between the spot welding station and the finish station along the conveying space. The main point of the technical scheme is that spot welding efficiency is high.

The invention discloses a spot welding machine. The spot welding machine comprises a platform, a welding main unit and a driving device, wherein the platform is provided with stations (4), an electrode (9) is installed on the welding main unit, and the driving device is used for driving the welding main unit to operate. The welding main unit is installed on a traveling mechanism (14) which can move in the axis direction of a workpiece (8). The working efficiency of the spot welding machine is effectively improved.

The invention provides a double-sided automatic spot welding machine control device. A double-sided automatic spot welding machine comprises a left screw rod, a right screw rod and a jig used for assembling a cell. A left servo motor and a right servo motor are connected with the left and right screw rods respectively, a left spot welding head and a right spot welding head are connected on the left and right screw rods respectively, a left electrode bar and a right electrode bar are arranged on the left and right spot welding heads respectively, a level conversion device is connected with a PLC (programmable logic controller), the left and right spot welding heads are both connected with the level conversion device, and the PLC is further connected with the left and right servo motors; a contact position is arranged on the surface of the cell. The invention further provides a double-sided automatic spot welding machine control method. After the spot welding heads on both sides reach the contact position, the electrode bars on two sides contact with the cell, and then the spot welding heads reach the spot welding position, so that the cell cannot move and a nickel plate cannot be misplaced. By the device, spot welding quality is improved, the servo motors can be set to be in full speed operation during movement before contact with the cell due to the contact position, and thus spot welding efficiency is improved as well.

The invention discloses a continuous spot welding device for welding a lithium battery pack, and belongs to the technical field of lithium battery production. The continuous spot welding device comprises a machine frame, a spot welding machine body, a conveyor and two mounting plates, the conveyor is arranged on the machine frame and is used for conveying pole pieces and battery shells to be conveyed and conveying welded pole pieces and battery shells, the two mounting plates are horizontally arranged above the conveyor, and the spot welding machine body is arranged below the two mounting plates through a positioning assembly. A power assembly, the conveyor and a driver are arranged to be used in cooperation, a piston rod of a hydraulic cylinder extends to drive the spot welding machine body to move downwards and drive the conveyor to convey workpieces at the same time, when the piston rod of the hydraulic cylinder contracts, the piston rod of the hydraulic cylinder drives the spot welding machine body to move upwards and the conveyor does not work at the same time, therefore, continuous and intermittent welding operation of the pole pieces and the battery shells can be guaranteed, the spot welding efficiency and the spot welding precision are effectively improved, the structure is simple, and the overall mechanical linkage performance is high.

The invention discloses an electric welder provided with multiple welding heads, which comprises a case; and the case is provided with at least two electric heating point welding heads which extend forwards. When the electric welder provided with the multiple welding heads in the design is adopted, point welding can be carried out on a plurality of positions for once, so that the point welding efficiency is improved, and the production efficiency of a lamp box is effectively improved.

The invention discloses an efficiency workpiece point welding machine. The efficiency workpiece point welding machine comprises a u-shaped bracket. A transverse sliding rail is fixedly mounted on theinner side of the upper end of the u-shaped bracket. A first sliding block is mounted in the transverse sliding rail. The first sliding block is mounted at the upper end of a longitudinal sliding rail. A second sliding block is mounted in the longitudinal sliding rail. A welding head mounting seat is mounted on the second sliding block. A welding head is mounted below the welding head mounting seat. Two sets of buffer springs are arranged between the upper end of the welding head and the lower end of the welding head mounting seat. A guide assembly is mounted between the two sets of buffer springs. A workpiece placing mechanism is mounted on the inner side of the u-shaped bracket. The physical design is novel. A workpiece can be welded transversely and longitudinally. The workpiece placingmechanism is arranged to clamp workpieces of different sizes. It is unnecessary to replace the whole placing mechanism, and therefore the point welding efficiency can be improved.