17results about How to "Simple welding process" patented technology

This application relates to a battery pack side beam structure, a battery box, and electrical equipment, belonging to the field of power battery technology. The battery pack side beam structure is connected to the top cover plate of the battery pack. The battery pack side beam structure includes a box beam body and a connecting plate. The box beam body includes an inner beam plate and an outer beam plate, which are connected and fixed together. The connecting plate is connected to one end of the box beam body near the top cover plate and extends away from the inner beam plate. The connecting plate has riveting holes. The outer beam plate is inclined towards the end of the connecting plate and has an inclined plate forming towards the inner beam plate. The inclined plate, the inner beam plate, and the connecting plate together enclose a connecting cavity with an opening on one side. The battery pack side beam structure provided by this application can solve the problems of high cost and easily affected sealing effect at the connection position between the side beam and the top cover in the battery pack box body in the prior art.

The utility model provides a kind of shell-plate fin heat exchanger, comprising: shell, the shell is cylindrical and the inside is limited with heat exchange cavity, and at the opposite ends in the axial direction of shell is respectively provided with air inlet and air outlet with heat exchange cavity communication;And heat exchange core, the heat exchange core is arranged in the heat exchange cavity of shell, and at the opposite ends of heat exchange core is respectively provided with heat storage medium inlet and heat storage medium outlet, especially, the heat exchange core is plate fin heat exchange core, including alternately arranged multiple air fins and multiple heat storage medium fins and multiple partitions, wherein, air in air fin channel and heat storage medium in heat storage medium fin channel flow along different direction.The shell-plate fin heat exchanger has the advantages of good pressure-bearing capacity of shell-and-tube heat exchanger and high efficiency, compact structure of plate fin heat exchanger, and simplifies welding process, reduces equipment weight.

The utility model relates to the technical field of tin soldering equipment, in particular to vertical ultrasonic tin soldering equipment which comprises an ultrasonic transmitting head, an ultrasonic amplitude-change pole, an ultrasonic transducer and a tin furnace, ultrasonic vibration generated by the ultrasonic transducer is conducted to the ultrasonic amplitude-change pole, then the ultrasonic vibration is conducted to the ultrasonic transmitting head through the ultrasonic amplitude-change pole, and the tin furnace is connected with the ultrasonic transmitting head through the ultrasonic amplitude-change pole. And the ultrasonic transmitting head is positioned in the tin furnace and is in direct contact with the tin liquid, so that the tin liquid generates a cavitation effect. According to the vertical ultrasonic tin soldering equipment, scaling powder is not used in the whole process, generation of harmful gas and waste water pollution are avoided, the vertical ultrasonic tin soldering equipment is environmentally friendly, tiny air holes and air holes cannot be generated in the welding process due to the fact that the scaling powder is not used, the welding quality is higher, the welding process is simplified, the production efficiency is improved, and the production cost is reduced.

The invention relates to a light emitting balance design method of a double-sided light emitting LED light source module in the technical field of intelligent manufacturing, and the method comprises the steps: adjusting the parameters of an optical processing structure in a substrate according to the intensity distribution of light emitted from the front surface, and obtaining the initial uniform data of the light distribution of the back surface; acquiring a scattering point coordinate set from the back light distribution preliminary uniform data, and determining a scattering angle adjustment value for uniform scattering optical properties of a substrate material to balance light intensity gradient distribution; heat conduction related parameters are extracted from the overall double-face light emitting equilibrium design model, heat flow distribution is simulated according to the heat dissipation thermal attribute of the light emitting diode chip, and welding process optimization points are determined; and according to the welding process optimization points, generating a module design blueprint, verifying the light emitting efficiency of the double-sided light emitting balance design model, and if an efficiency improvement index meets a preset threshold value, outputting complete solution data.

The invention provides a stainless steel pipe welder capable of preventing weld joint oxidation, and relates to the technical field of welding equipment, the stainless steel pipe welder comprises a welding assembly, a cover body part, a trailing part and a gas supply assembly, the trailing part comprises a lower groove part, a refrigeration sheet and an upper groove part, the opening of the lower groove part faces a stainless steel pipe workpiece, and a first channel is formed between the lower groove part and the workpiece; the upper groove piece is fixedly connected to the side, away from the workpiece, of the lower groove piece, and a second channel is formed. The refrigeration sheet is clamped between the lower groove piece and the upper groove piece, the cold end faces the lower groove piece, and the hot end faces the upper groove piece; when protective gas in the cover body part flows to the trailing part, first protective gas and second protective gas are formed, and the first protective gas flows through the first channel, exchanges heat with the cold end of the refrigeration sheet and then is cooled, so that the dual functions of protection and cooling are realized; and the second protective gas flows through the second channel, exchanges heat with the hot end of the refrigeration sheet, and drives the outside air to perform forced heat dissipation on the hot end by utilizing the gas disturbance effect.

This invention discloses a decoupled method for measuring deformation during glass-metal welding. The method includes the following steps: S1: pretreatment of the material to be welded; S2: coating the glass surface; S3: fixing the material to be welded; S4: installing and debugging the measuring instrument; S5: establishing a spatial coordinate system; S6: acquiring positional features before welding; S7: ultrafast laser welding of the glass and metal base; S8: analyzing and calculating displacement characteristics during the welding process; S9: analyzing and calculating angular characteristics during the welding process; S10: analyzing and calculating the deformation of the glass and metal during welding. This invention provides a decoupled method for measuring deformation during glass-metal welding, employing an in-situ deformation measurement device with a single camera and a single autocollimator. Simultaneously with ultrafast laser welding of the glass and metal, the deformation of the glass is monitored and measured in real time. A dual-feature-point method is used to decouple the displacement of the glass during the welding process, obtaining the displacement of the glass in five degrees of freedom during welding.

The invention relates to a glass and metal welding device and method.The welding device comprises a magnetic clamping piece, a glass to-be-welded piece, a metal to-be-welded piece, a supporting table and a laser device, and the glass to-be-welded piece is attached to the metal to-be-welded piece; the magnetic clamping pieces are clamped on the two sides of the glass to-be-welded piece and the two sides of the metal to-be-welded piece to form a to-be-welded assembly, the to-be-welded assembly is placed on the supporting table, and laser beams generated by the laser device are focused on the contact interface of the glass to-be-welded piece and the metal to-be-welded piece. A magnetic clamping piece is adopted to clamp a glass to-be-welded piece and a metal to-be-welded piece to form a to-be-welded assembly, a gap between the glass to-be-welded piece and the metal to-be-welded piece is reduced, and a magnetic field can bind plasmas generated in the laser welding process of the glass to-be-welded piece and the metal to-be-welded piece to a welding area; the glass and the metal can be effectively connected even under the non-optical contact condition, the requirement of laser welding of the glass and the metal for a contact gap is reduced, and the welding quality is improved.

This utility model discloses a cross-joint rotating box-shaped column structure, relating to the field of building support structure technology. It includes a first cross-joint plate and a second cross-joint plate, both with corresponding slots. The first and second cross-joint plates are combined to form a cross plate. A U-shaped box column is provided outside the cross plate, with a cross column welded to the front end of the U-shaped box column. This utility model, employing a cross-joint rotating box-shaped column structure, significantly enhances the column's torsional resistance, improves the overall structural stability and safety, reduces deformation and displacement, optimizes the welding process, improves welding efficiency and quality, reduces construction costs, and enhances the connection performance between components through optimized node connection methods, reducing the risk of node failure and ensuring the overall reliability of the structure. The box-shaped column design provides a more robust connection effect, and the continuous, flat surface facilitates anti-corrosion coating.

The invention discloses a high fracture toughness flux-cored wire for ocean engineering, which comprises a carbon steel sheath and powder filled in the sheath, and is characterized in that the powder comprises non-metal powder and metal powder; the non-metal powder comprises the following components in parts by weight: 360-380 parts of titanium dioxide; 13 to 25 parts of quartz; 40 to 50 parts of potassium silicotitanate; 35 to 55 parts of sodium silicotitanate; and 13-18 parts of cryolite. The welding wire is suitable for multi-layer and multi-pass welding of an EH36 steel plate with the thickness of 80 mm; and the welding heat input is controlled to be 12-25 kJ / cm, and good process adaptability is achieved.

The utility model relates to the technical field of endoscopes, in particular to an image capturing module and an endoscope. The image capturing module comprises a lens assembly, a circuit board and a transmission structure, the lens assembly is arranged at one end of the circuit board and electrically connected to the circuit board, the transmission structure comprises a flexible circuit board, one end of the flexible circuit board is provided with a plurality of second conductive parts arranged at intervals in the width direction of the flexible circuit board, and the second conductive parts are configured to be electrically connected with the first conductive parts. The other end of the flexible circuit board is provided with a third conductive part, and the third conductive part is configured to be connected with an external circuit. The wire harness of the lens assembly is welded on the circuit board in an aligned manner, then the flexible circuit board of the transmission structure is welded with the circuit board in an aligned manner, and the flexible circuit board is connected to the external circuit, so that the welding process is effectively simplified, and the connection reliability and the connection efficiency are improved.

The utility model discloses a kind of shell of cylindrical battery and cylindrical battery.Casing includes single pass barrel, welding area, liquid injection hole and explosion-proof valve.Single pass barrel is composed of bottom cover and side wall, adopts aluminum metal integrated molding or welding seal;Welding area is located in bottom cover, thickness 0.2~0.4mm, 0.1~0.3mm is protruding to shell inside, periphery is equipped with 0.05~0.08mm deep's nick thinning structure, forms auxiliary explosion-proof design.Welding area can be long strip or sector, multiple welding area area accounts for bottom cover 20%~50%.Cylindrical battery includes the casing and battery cell, and battery cell tab is directly welded with welding area.The utility model cancels busbar, improves space utilization, reduces internal resistance, improves capacity and rate performance;Nick and explosion-proof valve cooperate to enhance security.

This invention discloses a configurable surface mount common mode inductor, comprising a housing, a magnetic core, an epoxy PCB connection cover, and a bottom epoxy resin layer. The housing has an internal groove with a U-shaped winding at its axial center, forming an annular gap between the groove and the U-shaped winding. The magnetic core is disposed within this annular gap. Four mounting slots are symmetrically formed at the top of both side walls of the housing, and SMT surface mount terminals are mounted in these slots. The epoxy PCB connection cover is welded to a support base, thus sealing the magnetic core and U-shaped winding within the housing. The bottom epoxy resin layer is installed at the top of the housing, enclosing the entire housing into a square structure. This structure effectively reduces labor costs, improves manufacturing efficiency, and includes built-in soldering terminals for convenient SMT soldering.

The invention relates to the technical field of miniature electronic equipment, and discloses a low-cost composite vibrator and a linear vibration motor, and the low-cost composite vibrator comprises a high-density core which is made of tungsten or tungsten alloy and is flat, and the middle part of the high-density core is provided with a through square hole for accommodating magnetic steel; the metal shell is made of steel formed through punching, is of a cover-shaped structure with an opening in the top and is used for wrapping and fixing the high-density core; the high-density core is embedded into the containing cavity of the metal shell, and the high-density core and the metal shell are fixedly connected along the joint edge through laser welding to form the whole composite oscillator. By elaborately designing the sizes and the wall thicknesses of inner and outer parts, the total mass and the gravity center position of the composite oscillator are equivalent to those of an all-tungsten oscillator; therefore, the vibration performance and the start / stop characteristic of the linear motor are not negatively influenced.

The application provides a welding wire, a flux core and a cladding metal suitable for welding of 09CrCuSb steel, and belongs to the field of welding materials.The raw material of the flux core comprises, in weight parts, 3.0-6.0 parts of natural rutile, 1-3 parts of 75# ferrosilicon powder, 0.2-0.5 parts of sodium titanate, 0.1-0.3 parts of aluminum powder, 0.2-0.3 parts of fluoride, 1-3 parts of manganese iron powder, 0.6-1.2 parts of metallic chromium, 0.20-0.80 parts of copper powder, 0.2-0.4 parts of ferrochrome, 0.2-0.5 parts of quartz sand, 0.1-0.3 parts of antimony powder, 0.8-1.8 parts of iron powder and 0.4-1.0 parts of electrolytic manganese, so as to solve the problem of poor sulfuric acid dew point corrosion resistance of the cladding metal formed by welding of 09CrCuSb steel in the prior art.

The utility model relates to a detachable lifting lug and belongs to the field of battery box bodies. The lifting lug comprises a lifting lug main body and a switching assembly; the lifting lug main body is detachably mounted on the switching assembly, and the switching assembly is used for being connected with a frame of a battery box body. According to the utility model, the lifting lug main body is detachably mounted on the frame of the battery box body through the switching assembly, so that when the box body or the lifting lug is damaged, the box body or the lifting lug can be repaired and replaced, the quick replacement of the battery pack is realized, and the replacement of the lifting lug and the box body is realized at the same time; and the damage to the strength of the frame base material caused by welding the lifting lug in the prior art is avoided, the welding process is simplified, the working efficiency is improved, and meanwhile, the deformation of the frame base material in the welding process is reduced.

The application provides a stainless steel electrode and application and welding mode thereof, and particularly relates to the field of welding materials. The stainless steel electrode comprises a steel core and a coating, the coating is coated on the outer surface of the steel core, and the coating comprises the following components and the weight fractions of the components are as follows: 10-15 parts of metallic chromium, 13-18 parts of micro-carbon chromium iron, 1-5 parts of titanium concentrate, 20-30 parts of rutile, 4-8 parts of fluoride, 5-10 parts of feldspar, 1-5 parts of fluorite, 3-8 parts of marble, 1-5 parts of potassium titanate, 1-5 parts of metallic manganese, 8-13 parts of mica, 0.1-0.5 parts of bismuth oxide, 0.1-1 parts of zirconium sand, 0.1-1 parts of carboxymethyl cellulose and 20-25 parts of water glass. The stainless steel electrode has the characteristics of good welding process, high strength, excellent corrosion resistance and crack resistance, and is suitable for the welding of high-carbon steel, tool steel, high-temperature steel and dissimilar steel.

The invention provides a bridge pier stud spiral inner rib steel pipe reinforcing structure and a construction method, and relates to the technical field of bridge engineering. The problems that according to an existing reinforcing structure, the cohesiveness of a steel pipe and core concrete is poor, slippage is likely to occur, the restraining effect on the concrete is limited, the material consumption is large, and economical efficiency is poor are solved. The device comprises an outer wrapping metal sleeve, a spiral inner rib and a concrete layer, the outer wrapping metal sleeve is arranged on the periphery of a to-be-reinforced bridge pier column in a sleeving mode, spiral inner ribs are arranged on the inner wall of the outer wrapping metal sleeve, and the space between the outer wrapping metal sleeve and the to-be-reinforced bridge pier column is filled with a concrete layer. The device is mainly used for reinforcing the bridge pier column.