76results about How to "Reduce welding process" patented technology

The utility model relates to the technical field of cutting equipment, and discloses cutting equipment for sports equipment metal pipe fittings, which comprises a conveying support frame, a feeding device and a laser cutting device, the conveying support frame and the feeding device are matched to limit and convey the metal pipe fittings, and the metal pipe fittings are cut through the laser cutting device. A limiting groove is formed in the top of the conveying supporting frame, a limiting frame is further fixedly connected to the top of the conveying supporting frame, the axis of the limiting frame and the axis of the conveying supporting frame are collinear, and a through hole matched with the limiting groove is formed in the bottom of the limiting frame. According to the cutting equipment for the sports equipment metal pipe fitting, the rotating base is arranged at the top of the conveying supporting frame, the laser cutter supporting frame is driven by the rotating base to enable a laser cutter installed on the laser cutter supporting frame to move in an arc-shaped track, and therefore when the metal pipe fitting is cut, the laser cutter can be driven by the laser cutter supporting frame to move in the arc-shaped track; and the cut part of the metal pipe fitting is provided with an arc surface, so that a groove formed by the arc surface is attached to the outer surface of the metal pipe during welding.

The invention provides a key module and electronic equipment. The key module comprises a bracket, an elastic piece, a pressure sensing piece and a key, the support is arranged in the mounting groove of the shell and abuts against the inner side wall of the mounting groove. The elastic piece is fixed to the side, away from the inner side wall, of the first fixing part of the support. The pressure sensing piece is fixed to the side, away from the first fixing part, of the elastic piece, the two opposite ends of the pressure sensing piece and the elastic piece protrude out of the two opposite sides of the first fixing part, and the support is matched with the inner side wall to enable the inner side wall, the elastic piece and the pressure sensing piece to define a deformation space. The pressure sensing piece can be bent to the side, close to the inner side wall, of the first fixing part and extend out of the mounting groove. One part of the key is arranged in the mounting hole, and the other part of the key extends into the mounting groove and is connected to the two opposite ends of the elastic piece. The key module is simple in structure and low in material and process cost. And the pressure sensing piece is arranged on one side, deviating from the inner side wall, of the first fixing part, so that a deformation space can be better formed by utilizing the first fixing part of the bracket.

According to the hot gas bulging A and B column tubular beam and aluminum alloy integrated die-casting forming method, the hot gas bulging forming technology and the die-casting technology are organically combined, the rigidity and strength of A and B column framework structures are greatly improved, meanwhile, the connecting structure of a vehicle body force bearing framework is simplified, the number of parts is reduced, and the cost is reduced. And therefore, the weight and the production cost of the bearing framework structure are greatly reduced. Welding procedures needed by a traditional technology are greatly reduced in the manufacturing process, the yield and the use reliability can be improved, the production efficiency can be remarkably improved, and the requirement for large-scale batch production is met.

The invention discloses a flat wire stator and a manufacturing method thereof, and a tool used for manufacturing the flat wire stator, the tool is arranged in a stator winding, the tool is opened to support the stator winding, and then a stator core block is inserted between two adjacent vertical winding coil groups to form a stator core. According to the two flat wire stators and the manufacturing method, the stator winding does not need to be shrunk forcibly, the stator winding is not abraded, the percent of pass of the flat wire stators is improved, installation is more convenient, and working efficiency is improved. And the stator winding is integrally formed, so that the upper end and the lower end of the winding do not need to be shaped, the height of the end part of the stator can be shortened, and the motor performance is also improved.

The invention belongs to the technical field of water electrolysis hydrogen production, and particularly relates to an electrolytic bath. Comprising a sealing piece, an electrode I, a diaphragm, an electrode II and bipolar plates, the two bipolar plates are connected in a sealed mode through the sealing piece, the diaphragm is arranged between the two bipolar plates, two reaction chambers are formed in the two sides of the diaphragm respectively, the electrode I and the electrode II are arranged in the two reaction chambers respectively, and a liquid inlet and a liquid outlet are formed in each bipolar plate; a liquid inlet channel and a liquid outlet channel which are used for communicating the reaction chamber with the liquid inlet and the liquid outlet are formed in the sealing piece. The bipolar plate and the pole frame are combined into one machined part, so that the welding procedure of the pole frame and the polar plate is omitted; and meanwhile, a thick pole frame is not used, so that the material cost and the processing cost of the pole frame are greatly reduced.

The utility model relates to the technical field of engineering construction, in particular to a connecting structure with adjustable parallel connection length for a few-support system, which comprises a connecting standard pipe fitting and a connecting flange, and the connecting flange comprises a steel hoop used for being arranged on a steel pipe pile or a steel stand column. The two side ends of the steel hoop are each provided with a flange plate used for being connected with the end of a standard pipe fitting. The connecting sleeve is used for connecting two sections of standard pipe fittings to achieve splicing, and anchoring structures used for being connected with the standard pipe fittings to be matched are arranged at the two ends of the connecting sleeve. The connecting structure is convenient to mount and dismount, and welding operation is greatly reduced.

The invention provides a key module and electronic equipment. The key module comprises a bracket, an elastic piece, a pressure sensing piece and a key, the support is arranged in the mounting groove of the shell, and the elastic piece is fixed to the side, close to the inner side wall of the mounting groove, of the first fixing part of the support. The pressure sensing piece is fixed to the side, away from the first fixing part, of the elastic piece and abuts against the inner side wall, the two opposite ends of the pressure sensing piece and the elastic piece protrude out of the two opposite sides of the first fixing part, and the inner side wall, the elastic piece and the pressure sensing piece can define a deformation space. The pressure sensing piece can extend out of the mounting groove from the side, close to the inner side wall, of the first fixing part. One part of the key is arranged in the mounting hole of the shell, and the other part of the key extends into the mounting groove and is connected to the two opposite ends of the elastic piece. The key module provided by the invention is simple in structure and low in material and process cost. And the pressure sensing piece is arranged on the side, close to the inner side wall, of the first fixing part, so that the pressure sensing piece can conveniently extend out of the mounting groove upwards.

The present invention discloses a magnetic levitation centrifugal compressor, which belongs to the field of compressor equipment, including a magnetic levitation motor assembly, wherein an interpolar cooling device is connected between a primary volute and a secondary volute at both ends of the magnetic levitation motor assembly through a first air pipe and a second air pipe; the air inlet diameter of the first air pipe is the same as the air outlet diameter of the second air pipe. The air inlet diameter of the first air pipe and the air outlet diameter of the second air pipe are the same or as close as possible to minimize noise reduction, and the interpolar cooling device of the first air pipe and the second air pipe can cool the air compressed for the first time, which can effectively reduce the temperature of the compressed air, thereby reducing the pressure of the gas flowing into the second air pipe, and can also effectively reduce the pressure difference between the intake air pressure and the exhaust air pressure, which is beneficial to noise reduction. In addition, the present invention has lower energy consumption, high air filtration accuracy, and a balanced structure of the internal rotating shaft of the compressor, which can reach a higher rotation speed, and better gas compression effect and product quality.

The counterbalance forklift truck frame structure comprises a main frame, and the main frame comprises a head portion, a middle portion and a tail portion which are integrally formed. Wherein the left side and the right side of the head part respectively extend forwards to be provided with a first connecting arm; the middle part is provided with a first containing cavity, the front side face of the first containing cavity is connected with the rear end of the head part, and the front side face of the first containing cavity is used for installing a drive axle assembly; the tail portion is provided with a second containing cavity used for installing an auxiliary balance weight and a third containing cavity used for containing a steering axle assembly, the second containing cavity is located above the third containing cavity, the second containing cavity and the third containing cavity are separated through an installation platform, and the front end of the installation platform is connected with the upper end of the rear side face of the first containing cavity. A first opening is formed in the installation platform, and a rear axle frame in the steering axle assembly penetrates through the first opening to be installed on the installation platform. In the scheme, the main frame is integrally cast and formed, welding parts and welding procedures are reduced, the cost is reduced, and the overall assembly efficiency is improved.

The embodiment of the utility model provides a composite workpiece and terminal equipment. The composite part comprises a first structural part, a second structural part, a first material body and a second material body, the second structural part and the first structural part are made of different materials, the second structural part is located on the surface of one side of the first structural part, the first material body and the first structural part are made of the same material, and the first material body is connected with the surface of one side of the first structural part. The second material body and the second structural part are made of the same material, the second material body is connected with the second structural part, the joint face of the second material body and the second structural part intersects with the surface of one side of the first structural part, and the orthographic projection of the second material body and the orthographic projection of the first material body on the surface of one side of the first structural part are overlapped. According to the technical scheme, the reliability of connection between the dissimilar material structural parts can be improved.

This application relates to the field of commercial vehicle body technology, and particularly to a front bulkhead structure for a commercial vehicle. The front bulkhead structure includes a front bulkhead beam, which comprises an upper crossbeam and a lower crossbeam, connected by a front bulkhead longitudinal beam. The upper crossbeam includes an upper crossbeam body and an upper crossbeam armrest mounting location, with the thickness of the armrest mounting location greater than the thickness of the upper crossbeam body. The lower crossbeam includes a mounting bracket, one end of which connects to the front bulkhead longitudinal beam, with the thickness of the mounting bracket greater than the thickness of the upper crossbeam body. This application provides a front bulkhead structure for commercial vehicles to address the problem in related technologies where adding reinforcing plates to strengthen the front bulkhead increases the number of parts and welding processes, making it difficult to achieve lightweight design.

This invention relates to the field of battery technology, and provides a busbar with power-off and pressure-relief function, a battery cap, and a battery. The busbar includes a power-off structure, a pressure-relief structure, and a connecting section. One end of the connecting section is connected to the power-off structure; the other end of the connecting section is connected to the pressure-relief structure. The power-off structure, the pressure-relief structure, and the connecting section are integrally formed components. A first cutout structure is provided between the power-off structure and the connecting section; a second cutout structure is provided on the surface of the pressure-relief structure. The first and second cutout structures are used to reduce the thickness at corresponding locations. This busbar and battery with power-off and pressure-relief function can ensure reliable disconnection between the pressure-relief structure and the power-off structure when the internal pressure of the battery abnormally increases, while also simplifying the manufacturing process.

The application relates to the technical field of batteries, in particular to a battery cell shell and a battery cell. The battery cell shell comprises a shell body with a bottom wall and a side wall; a pressure relief piece is formed as a groove-shaped structure arranged in the interior of the shell body and is formed by inwardly recessing the bottom wall, and the thickness dimension of the side wall in a first direction is g; the distance between the end of the pressure relief piece facing the side wall and the surface of the side wall away from the accommodating cavity in the first direction is w1, and 5*g<=w1<=6*g. In the application, the shell body can protect the pressure relief piece, the risk of external contamination is reduced, the pressure relief piece is directly formed on the bottom wall of the shell body, the processing and molding are facilitated, the welding process is omitted, the cost is saved, the production yield of the battery cell is improved, a sufficient safety distance is formed between the pressure relief piece and the side wall, the pressure relief area of the pressure relief piece after opening is sufficient, and the production quality and safety performance of the battery cell are improved.

The invention relates to the technical field of photovoltaic module welding, and discloses a welding and cutting integrated tool for a photovoltaic module, which comprises a pressure welding and cutting assembly, an operating rod and a heating assembly, the pressure welding cutting assembly comprises a heat insulation head and a pressure welding cutting roller rotationally connected to the heat insulation head. The heating assembly is electrically connected with the pressure welding cutting roller so as to heat the pressure welding cutting roller to enable the heating temperature to be higher than the welding material melting point and lower than the battery piece heat damage temperature; the outer wall of the pressure welding cutting roller is gradually concave inwards towards the axis from the left end part to the right end part to the middle part, so that arc-shaped grooves are formed in the top surface and the bottom surface of the longitudinal section of the pressure welding cutting roller, and the longitudinal section of the pressure welding cutting roller is integrally H-shaped; the heat insulation head is connected with the operating rod so as to drag the operating rod to drive the pressure welding cutting roller to roll on the surface of the welding material, and the operating rod is pressed downwards to enable the pressure welding cutting roller to apply pressure to the surface of the welding foil. Therefore, the tool can realize cutting and pressure welding of the welding foil in one step, the process is greatly simplified, the cost is low, and the damage to the battery piece is small.

This invention belongs to the field of water electrolysis for hydrogen production technology, and specifically relates to an electrolyzer. It includes a sealing element, electrode I, a diaphragm, electrode II, and bipolar plates. The two bipolar plates are sealed together by the sealing element. The diaphragm is disposed between the two bipolar plates, with two reaction chambers formed on each side of the diaphragm. Electrode I and electrode II are respectively disposed within the two reaction chambers. The bipolar plates are provided with an inlet and an outlet. The sealing element has an inlet channel and an outlet channel for connecting the reaction chambers with the inlet and outlet. This invention combines the bipolar plates and the electrode frame into a single fabricated component, eliminating the welding process between the electrode frame and the electrode plates. Furthermore, because this invention does not use a thick electrode frame, it significantly reduces the material and processing costs of the electrode frame.

The utility model provides a battery cell structure. The battery cell structure comprises a plurality of positive plates and a plurality of negative plates, each positive plate comprises a first positive sub-plate, a second positive sub-plate and a positive tab which are integrally connected, one end of the positive tab is connected with one positive sub-plate, and the other end of the positive tab is connected with the other positive sub-plate; the width of the first positive electrode sub-sheet and the width of the second positive electrode sub-sheet are both greater than the width of the positive electrode lug; each negative plate comprises a first negative sub-plate, a second negative sub-plate and a negative tab which are integrally connected, one end of the negative tab is connected with one negative sub-plate, and the other end of the negative tab is connected with the other negative sub-plate; the width of the first negative electrode sub-sheet and the width of the second negative electrode sub-sheet are both greater than the width of the negative electrode lug; the positive plates and the negative plates are stacked at intervals; a first insulating diaphragm is arranged between the adjacent first positive pole piece and first negative pole piece, and a second insulating diaphragm is arranged between the adjacent second positive pole piece and first negative pole piece. The utility model also provides a battery.

The invention relates to an inverted pushing installation method for a large converter. A lower section of a converter shell, a middle section of the converter shell and a backing ring are divided into combined modules, an upper section of the converter shell is divided into a first single module, and a tilting device is divided into a second single module; the assembled combined module is hoisted to a jacking adjusting device composed of a hydraulic portal frame and a sliding rail, the first single module is arranged on a hydraulic module vehicle, and the combined module and the first single module are assembled together through cooperation of the jacking adjusting device and the hydraulic module vehicle to form a converter body; the converter main body is downwards transported to a converter mounting position by the hydraulic module vehicle and is mounted in place; and the second single module is integrally lifted and mounted in place through the hydraulic gantry lifting device. Compared with an existing installation method, the method has the advantages of being high in installation efficiency, low in construction cost, high in installation precision, high in safety and reliability, high in automation degree, high in construction equipment universality and the like.

Provided is a disposable dialysis indwelling needle exhaust structure, comprising: an exhaust connector (10), an exhaust membrane (20) and a pressing unit (30), wherein the exhaust connector is hollow and comprises a main body and an extension protruding from the main body; the main body is cylindrical and forms a receiving cavity for accommodating the pressing unit, the extension forms a channel, the channel is connected to the receiving cavity, and its inner diameter is smaller than the inner diameter of the bottom of the receiving cavity, thereby forming a step at the bottom of the receiving cavity, a snap-fit ​​groove is formed on the side wall, and an annular sealing groove is formed on the table surface of the step; the exhaust membrane is arranged at the bottom of the receiving cavity; the pressing unit is formed into a hollow cylindrical shape and has an appearance basically consistent with the receiving cavity, including a snap-fit ​​protrusion formed on the side wall and an annular sealing protrusion formed on the bottom, thereby the pressing unit can be snapped into the receiving cavity, so that the exhaust membrane is fixed between the pressing unit and the exhaust connector.

A shopping cart with an improved structure comprises a bottom supporting frame body and a basket, a baffle is arranged at the position of an opening of the basket, and the bottom supporting frame body is of an integrally-formed structure and is formed by connecting a supporting leg module and a bottom supporting frame body top base. The basket comprises a bottom panel and side panels formed on the left side and the right side of the bottom panel, a front panel is further arranged on the basket, an upper frame ring plate is further formed above the two side panels and the front panel, a frame handle is further formed on the upper frame ring plate, and the rear side of the frame handle is flush with the baffle. A fixing piece is further installed between the bottom supporting frame body and the basket, the bottom of the fixing piece is detachably connected with the bottom supporting frame body, and the fixed top of the fixing piece is fixedly connected with the basket. The shopping cart has the advantages that the overall structure is optimized, integration and structural strength of the shopping cart are improved, and service life is guaranteed; assembly is convenient, combination is firm, use reliability is improved, materials and production cost are saved, and personal safety is protected.

The invention relates to the technical field of battery packs, and discloses a frame, a frame processing method and a battery pack box body, and the frame comprises a rolling pipe body which extends along a first direction and is provided with a plurality of gaps at intervals along the first direction, so that the rolling pipe body forms a plurality of sections of beam main bodies which are arranged in sections, a plugging sheet is formed on the remaining part, corresponding to the notch, of the rolling pipe body; the rolling pipe body is arranged at the connecting position of the plugging piece and the beam body in a bent mode so that the plugging piece can be connected with the end of the beam body, and the two ends, in the first direction, of the rolling pipe body are connected. The frame is formed by integrally bending the rolled pipe body, so that the sealing performance of the frame is ensured, the welding process between the adjacent boundary beams of the frame is greatly reduced, the welding thermal deformation of the frame is reduced, the planeness and size of the frame are effectively improved, and the qualification rate of the frame is improved.

The utility model discloses an exhaust fume collecting hood and a range hood. The exhaust fume collecting hood comprises an integrally formed outer hood structure, and the outer hood structure comprises an upper plate; the left side and the right side of the upper plate are each provided with one side plate extending downwards in the vertical direction, and the side plates and the upper plate are formed through bending; the rear plate is arranged on the rear side of the upper plate and extends downwards in the vertical direction, the rear plate and the upper plate are formed through bending, the left side of the rear plate is welded to the rear side of one side plate, and the right side of the rear plate is welded to the rear side of the other side plate. The exhaust fume collecting hood provided by the utility model has the advantages that the structure is simple, the number of parts and welding procedures are reduced, the manufacturing cost is reduced, the structural strength is higher, and meanwhile, the appearance of the exhaust fume collecting hood is kept.

The utility model relates to a gas pipe mounting module for an integrated cooker, and belongs to the field of kitchen appliances. The gas stove comprises a stove valve body, an installation support, a gas pipe and a stove bottom shell, the stove valve body and the gas pipe are both installed on the installation support, the installation support is installed on the stove bottom shell, and the gas stove is structurally characterized in that the installation support comprises support installation feet, a support vertical arm, a support cross beam and a gas pipe embedded groove; the support vertical arms are fixed to the two sides of the support cross beam respectively, the two support vertical arms are fixed to the support installation feet respectively, the gas pipe embedded groove is formed in the support cross beam, the gas pipe is located in the gas pipe embedded groove and welded to the support cross beam, and the stove valve body is installed on the support cross beam. A valve body mounting hole is formed in the support cross beam, the stove valve body is mounted at the bottom of the support cross beam through a screw, and the screw penetrates through the valve body mounting hole.

The application discloses a preparation method of a semiconductor laser, which comprises the following steps: providing a heat sink mother plate, cutting the heat sink mother plate to form a plurality of heat sink substrates, providing an epitaxial wafer, arraying the heat sink substrates on the epitaxial wafer, forming a plurality of interval gaps parallel to a resonant cavity direction and perpendicular to the resonant cavity direction, dividing the epitaxial wafer along the interval gaps, obtaining a plurality of laser chips, stacking the laser chips, and coating the stacked laser chips to form a plurality of semiconductor lasers. Through the above method, the semiconductor laser and the preparation method thereof provided by the application directly replace the support strip in the prior art with the heat sink substrate, save materials, and reduce the welding process of the support strip after coating and separation.

A telescopic cylinder and climbing method and telescopic arm of an ultra-large tonnage all-terrain crane, comprising a sleeve, one end of which is connected to a tail slider; an anti-collision guide structure is provided above the sleeve; polygonal slide plates are provided on both sides of the sleeve, one end of the polygonal slide plate is connected to the anti-collision guide structure through a front guide slider support, a front guide slider support plate and a front guide slider, the other end of the polygonal slide plate is connected to a hydraulic cylinder head, a plurality of slide brackets for fixing the polygonal slide plate are provided on the sleeve, and a front slider is connected to the lower side of the sleeve through a front slider bracket. The telescopic cylinder and telescopic arm of the ultra-large tonnage all-terrain crane of the present invention are provided with a sleeve to protect the telescopic cylinder and improve the reliability of the telescopic cylinder; the large-angle rail entry guide, the anti-collision dispersion resistance of the tail slide and the traction climbing structure of the front slider improve the stability of the telescopic cylinder in the telescopic arm of the crane.

The invention provides an automatic winding machine which comprises a support, the support is provided with a working position and a winding assembly, the winding assembly is arranged in the working position, the winding assembly comprises a telescopic part and a flying fork, the flying fork is in driving connection with a motor, and one end of the flying fork is an extending point of an enameled wire; a plurality of working blocks are evenly arranged on the tray, the arrangement direction of the working blocks is the same as the moving direction of the tray on the support, and when the tray moves on the support, the tray drives the working blocks to enter and penetrate through the working positions along the moving path of the tray; the wire clamping mechanism is arranged at the position, corresponding to the working position, of the support, the wire clamping mechanism comprises a driving part, a wire clamp and a wire shear, the driving part is used for driving the wire clamp and the wire shear to be opened and closed at the same time, and the effect that windings in the same working group are connected without welding on the winding assembly and the motor is achieved; and the procedure of welding the windings when the windings of the motor are assembled is omitted.

The invention relates to an integrated hub and a manufacturing method thereof.The manufacturing method comprises the steps that a first semi-finished product blank is installed on a first spinning machine through a positioning hole, and a rotary cutting wheel is installed on one side of the first semi-finished product blank; the rotary cutting wheel rotationally cuts the first semi-finished product blank into a spoke, and a first rim ring material and a second rim ring material which are symmetrically located on the two sides of the spoke to form a second semi-finished product blank; s3, an upper forming mold is installed on an upper spinning machine, a lower forming mold is installed on a lower spinning machine, a side forming mold is installed on a side spinning machine, a positioning shaft is installed in the middle of the lower forming mold, a second semi-finished product blank is installed on the positioning shaft through a positioning hole, the spoke is clamped by the upper forming mold and the lower forming mold, and the spoke is formed; the upper forming die and the side forming die are in spinning fit to form a first rim, and the lower forming die and the side forming die are in spinning fit to form a second rim. The production process is shortened, the strength and integrity of the product are improved, and the production cost is reduced.

The invention relates to the technical field of building engineering assembly, and discloses an assembled square steel tube concrete column and H-shaped steel beam connection node. The assembled node is welded by welding a support block to the outer surface of the square steel tube concrete column, and then two lap plates are respectively welded to the left and right sides of the square steel tube concrete column, and then the side of the U-shaped block equipped with a support rod is inserted into the support block, so that the support rod passes through a connection hole provided in the support block and is inserted into the inside of the square steel tube concrete column, so that the square steel tube concrete column and the square steel tube concrete column can form a whole after concrete pouring, thereby increasing the strength and stability of the node, and then the U-shaped block is connected to the support block by vertical high-strength bolts, and then the U-shaped block is connected to the lap plate by horizontal high-strength bolts, and at the same time, an H-shaped steel is welded on the side of the U-shaped block away from the support rod before the U-shaped block is installed, so as to complete the connection node of the square steel tube column and the H-shaped steel beam, which has a simple structure and less welding process.

An upper end cover, a barrel and a cushion block are formed through a forming technology, the barrel is a hollow cylinder with the top open and the bottom closed, the circumferential outer wall of the lower portion of the barrel is perpendicular to the bottom face of the barrel and extends outwards to form a mounting part, and the mounting part protrudes out of the bottom face of the barrel; the mounting part and the barrel are integrally formed, and the outer surface, in the axial direction of the barrel, of the mounting part does not protrude out of the circumferential outer wall of the barrel; the upper end cover is welded to the open end of the top of the barrel, and the cushion block is welded and fixed to the axial outer surface of the barrel installation part. The cylinder structure designed by the invention can be formed by adopting a cold extrusion forming process, the utilization rate and the production efficiency of a forming material are favorably improved, the cylinder with the closed bottom and the mounting part is high in strength, the leakage risk caused by the welding quality problem is also reduced, and compared with the prior art, the working procedures are simplified, and the production efficiency is improved.

The utility model relates to the technical field of touch keys, in particular to a key assembly applied to a PCB (Printed Circuit Board), which comprises keys and a key frame matched with the keys, the keys comprise connecting bodies and touch bodies, the key frame comprises a frame body and limiting holes, the frame body is matched with the PCB, and the limiting holes are formed in the frame body. The limiting hole is formed in the position, corresponding to a key bonding pad on the PCB, of the frame body, the connecting body is arranged on the lower side face of the touch body, the touch body is fixedly arranged in the limiting hole, and the end, away from the touch body, of the connecting body penetrates through the frame body and then makes contact with the key bonding pad on the PCB. And the product assembly efficiency and the product maintenance efficiency are improved.

The present invention provides a method and system for laser welding of thin plates with non-uniform cross-sections with a guiding function, the method comprising the following steps: laser welding thin plates of different thicknesses into an upper frame welding assembly and a lower frame welding assembly; integrally stamping the upper frame welding assembly and the lower frame welding assembly into a frame welding assembly; guiding and positioning the frame welding assembly on the vehicle body through a bushing with a large upper portion and a small lower portion with a guide; simulating and verifying various aspects of the performance of the frame welding assembly to obtain simulation verification results; obtaining the optimized size of each thin plate based on the obtained simulation verification results. The present application uses thin plates of different thicknesses for welding to achieve the optimal design of the frame weight and performance; by laser welding thin plates and then integrally stamping and forming, the welding quality of the frame is ensured, while reducing component data, welding processes and costs; the frame is guided and positioned on the vehicle body to effectively improve the installation and positioning accuracy of the frame.