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139results about How to "Good welding effect" patented technology

Compressing apparatus for laser beam welding

The invention relates to a mechanical pressing device, particularly a novel laser welding pressing device for pressing and leveling plate materials during the laser stitch welding process. The device is arranged on a gantry and comprises a laser head, a Y-directional slipway, and a front and a rear pressing beams, wherein the front and the rear pressing beams are arranged at the upper part of a gantry worktable in a vertical reciprocating manner; a plurality of pressing wheels are respectively arranged on the front and the rear pressing beams; the Y-directional slipway mounted on the gantry beam is positioned between the front and the rear pressing beams and can carry out a reciprocating movement along the Y direction; a right press roll which can move up and down is arranged on one side of the Y-directional slipway, and the laser head and a installation base are arranged on the other side, and a left press roll which can move up and down is arranged on the installation base; the laser head and the left and the right press rolls are coupled with the Y-directional slipway; the laser head is positioned between the left and the right press rolls, and the laser head can carry out a reciprocating movement along the X direction and the Z direction; and the laser head work area is surrounded by the left and the right press rolls and the front and the rear pressing wheels. The device has the advantages that the gap and the flatness between a thin plate and a thick plate can be guaranteed and the welding effect is good.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Preformed solder containing soldering flux and preparation method thereof

The invention relates to the technical field of materials for electronic device welding and specifically discloses a kind of performed solder containing soldering flux and a preparation method thereof. The performed solder containing the soldering flux comprises a soldering material and the soldering flux wrapped in the soldering material; the mass percent of the soldering material is 95%-99.9%, and the mass percent of the soldering flux is 0.1%-5%. The preparation method of the performed solder containing the soldering flux comprises the steps of preparing the soldering flux; smelting and casting an ingot of the soldering material; conducting charging and extruding the ingot of the soldering material into a preform body; rolling the perform body into a material strap; and cutting the material strap. By adopting the performed solder provided by the invention, the deficiencies of dipping the liquid soldering flux and externally applying the solid soldering flux are made up; the soldering flux can reduce the surface tension of the molten soldering material, facilitates wetting and spreading of the performed solder, promotes welding, prevents secondary oxidation of the performed solder and has an auxiliary heat conduction effect as a thermal bridge. By means of the performed solder containing the soldering flux, the welding quality is effectively improved, the good welding effect is achieved, the stability of the welding process can be guaranteed, and the production efficiency can be improved.
Owner:SOLDERWELL MICROELECTRONIC PACKAGING MATERIALS CO LTD

Laser high-speed scanning and welding system based on galvanometer for battery box, and working method

The invention discloses a laser high-speed scanning and welding system based on a galvanometer for a battery box. The laser high-speed scanning and welding system comprises a rack and a laser weldingprotection cabin, wherein a transport line used for workpiece transport is arranged on the rack; the laser welding protection cabin is arranged on the transport line; a fixture and a special long-distance laser welding machine based on the galvanometer are arranged in the laser welding protection cabin; a conveying mechanism used for conveying workpieces is arranged on the transport line; the fixture is arranged on the conveying mechanism; the special long-distance laser welding machine is arranged at the top of the laser welding protection cabin; and the transport line, the fixture, the special long-distance laser welding machine, a tray and a follow-up fixture are all connected with a control centre. According to the laser high-speed scanning and welding system disclosed by the invention, the battery box is scanned and welded through the special long-distance laser welding machine; a laser welding process can be efficiently and stably carried out through the rapid rotation of the galvanometer; and a facular movement track can be set to carry out waveform control, so that an ideal welding effect is achieved. The device is high in welding speed, and generates small thermal deformation, thereby greatly increasing the production efficiency, and also effectively improving the welding accuracy and welding quality.
Owner:TONGGAO ADVANCED MFG TECH TAICANG

Negative-pressure adsorption welding device and negative-pressure adsorption welding method

The invention discloses a negative-pressure adsorption welding device which comprises a negative-pressure producing assembly and negative-pressure adsorption plate assemblies; the negative-pressure adsorption plate assemblies comprise a bottom negative-pressure adsorption plate assembly and a top negative-pressure adsorption plate assembly; negative-pressure adsorption chambers are formed between the negative-pressure plate assemblies and the adsorption plate assemblies; the negative-pressure production assembly communicates with the negative-pressure adsorption chambers for extracting air in the negative-pressure adsorption chambers to form vacuum negative pressure; a plurality of negative-pressure adsorption holes are formed in the adsorption plate assemblies for fixing to-be-welded parts onto the adsorption plate assemblies in a negative-pressure adsorption manner to carry out welding operation when vacuum negative pressure is formed in the negative-pressure adsorption chambers. The invention further discloses a negative-pressure adsorption welding method. The negative-pressure adsorption welding device is reasonable in design, is convenient and quick to operate, is small in welding deformation and is capable of reducing working cost and improving working efficiency.
Owner:株洲天瑞精密钣金有限公司

Micro stirring welding system integrating laser and mechanical sensors and welding method

ActiveCN103464888AAdjust control parameters in timeGood welding effectNon-electric welding apparatusControl systemCopper
The invention discloses a micro stirring welding system integrating laser and mechanical sensors and a welding method. The micro stirring welding system integrating laser comprises a five-axis machine tool platform, a welding spindle, a laser system, the mechanical sensor, a displacement sensor and a control system, wherein the mechanical sensor is arranged on the welding spindle; the displacement sensor is arranged near a guide rail on the five-axis machine tool platform; the laser system is arranged on the five-axis machine tool platform; the control system is respectively connected with the five-axis machine tool platform, the laser system, the mechanical sensor and the displacement sensor and is used for controlling regulation on the five-axis machine tool platform, the laser system, the mechanical sensor and the displacement sensor. The micro stirring welding system completes butt and overlapping welding of an ultrathin aluminium sheet with a thickness of 0.2 to 1mm, a copper plate and other metals suitable for stirring welding, implements a mechanical and displacement dual-control motion system and functions of laser positioning, parameter fine adjustment and the like and can be used for welding a pin of a microchip and an ultrathin part.
Owner:SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY

Waterproof roll free of folds and easy to weld

The invention belongs to the technical field of waterproof materials used in water conservancy projects and building projects and particularly discloses a waterproof roll free of folds and easy to weld. According to the technical scheme, the waterproof roll free of folds and easy to weld comprises a sheet, non-asphalt self-adhesive flue layers and isolating films, wherein the non-asphalt self-adhesive flue layers are attached to one side face or two side faces of the sheet, and the self-adhesive flue layers are coated with the isolating films. The sheet comprises, by weight, 65-70 parts of polyethylene, 15-18 parts of POE, 10-12 parts of EVA, 5-7 parts of polyethylene flexibilizer, 4-6 parts of maleic anhydride compatilizer and 1-2 parts of polyolefin aging-proof agent. The waterproof roll free of folds and easy to weld has the advantages that the hot melting temperature is low, both welding and construction are easy, and compared with ordinary materials, on the premise that the excellent welding effect is guaranteed, the welding temperature is lowered by 50-80 DEG C, and power consumption of a welding device is greatly reduced; meanwhile, the tensile strength at break is high, the elongation at break is high, the tearing strength is high, and chemical corrosion resistance is achieved, and the requirement for conduction in a low-temperature environment is met.
Owner:河北创隆工程橡塑有限公司

Automatic brazing device of connection between copper and stainless steel

The invention discloses an automatic brazing device of connection between copper and stainless steel. The automatic brazing device of the connection between the copper and the stainless steel comprises an operating platform and is characterized by further comprising a high-frequency induction welding machine, a sealing box and a brazing clamp. The high-frequency induction welding machine and the sealing box are arranged on the operating platform, argon is aerated into the sealing box, the brazing clamp is arranged in the sealing box, and a welding joint of the high-frequency induction welding machine stretches to a welding post on the brazing clamp inside the sealing box. The problems that in the prior art, when the copper and the stainless steel are welded, the stainless steel is relatively fast in temperature rising and the copper is relatively slow in temperature rising due to the fact that temperature sensing coefficients have a big difference, therefore, in the process of welding, the copper and the stainless steel are heated for same time, but the reached temperature is different so that the welding effect is relatively poor, and the product quality is influenced are solved. The automatic brazing device of the copper and the stainless steel is simple in structure, convenient to use and has relatively good welding quality.
Owner:KUNSHAN FOR EASIER AUTOMATION TECH

Welding clamp for aviation chair handrail

The invention provides a welding clamp for aviation chair handrail. The welding clamp for aviation chair handrail comprises a supporting block and a limiting block. One end of a base extends to form a pressing seat, a sliding groove is formed in the top of the pressing seat, and a sliding seat is movably assembled on the sliding groove. A pressing block is arranged at one end of the top of the sliding seat, a cam disc is arranged on the pressing seat at the other end of the sliding seat, and a control handle is arranged on the cam disc. The base is provided with the limiting block matched with the pressing block, the supporting block is arranged on one side of the limiting block, and a U-shaped clamping groove is formed in the top of the supporting block. A positioning block is arranged on one side of the supporting block, press pincers are arranged on one side of the positioning block, a pressing plate is arranged on a telescopic rod of the press pincers and provided with an inwards concaved arc surface, and the arc surface is located on one side of the positioning block. After the scheme is adopted, manual positioning is not needed, the welding effect is good, the size is accurate, a skewing phenomenon is avoided, the labor intensity of workers is greatly relieved, and the quality of products is improved.
Owner:HUZHOU MEISHENG MACHINERY

Large-sized robot welding workstation with flue dust treatment function

The invention discloses a large-sized robot welding workstation with a flue dust treatment function. The large-sized robot welding workstation comprises a safe enclosure of a welding workshop, a welding location control system, a workpiece turnover platform, a flue dust treatment robot welding system and a workstation controller, wherein the workpiece turnover platform and the flue dust treatmentrobot welding system are arranged in the safe enclosure of the welding workshop; the welding location control system is arranged above the flue dust treatment robot welding system; and the welding location control system, the workpiece turnover platform, the flue dust treatment robot welding system and the workstation controller are electrically connected. With the welding location control systemand the workpiece turnover platform, the welding range and the degree of freedom are extended, and the problem of small welding operation range of the welding robot is effectively solved; a high-pressure contact sensor is adopted for the welding robot, so that the actual weld joint position is determined automatically according to deformation in the welding process, and the optimal welding effectis achieved; and a flue dust treatment device improves the environment friendliness performance.
Owner:GUANGZHOU RUISONG INTELLIGENT TECH CO LTD

Single-face double-point welding process for automobile

The invention aims at providing a single-face double-point welding process for an automobile. The process is characterized in that the process involves a special welding machine, automobile welding special clamps, a transformer, single-face double-point welding tongs, single-face double-point welding mechanisms, a gantry steel structure, gantry sliding-out mechanisms, gantry bases, a welding tong welding plane moving structure, upper electrodes, lower electrode islands, conductive bridges and locating connection parts; the transformer and the single-face double-point welding tongs are carried on the special welding machine, single-side double-electrode welding is adopted by the special welding machine, and the transformer is mounted on the top of the special welding machine. The process has the beneficial effects that full manual operation for welding can be achieved, only two workers are needed, and large heavy welding tongs are not used; the welding tongs are fixed to the special welding machine and are light, easy to operate and good in welding effect; on the basis that the functional requirement is met, the investment cost is lowered to a great extent, the operation difficulty of the workers is lowered, and the stability and multi-vehicle-type adapting capacity of equipment are greatly improved.
Owner:天津七所高科技有限公司
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