28results about How to "Improve riveting quality" patented technology

The invention discloses a riveting tool for a frame cross beam, which comprises two oppositely arranged positioning plate assemblies and two oppositely arranged positioner connecting plates which are encircled to form a rack and are used for positioning and fixing a bent connecting plate and the cross beam so as to overturn along with a positioner, wherein the two ends of one positioning plate assembly are connected with the sliding rails on the two positioner connecting plates, the positioning plate assemblies are used for fixing cross beams of different sizes through sliding adjustment, and rivet anti-falling assemblies are arranged on the positioning plate assemblies and used for abutting against rivets between the bending connecting plates and the cross beams so as to prevent the rivets from falling off when the rack turns over. The riveting tool for the frame cross member has the advantages of being simple in structure, high in applicability, stable in riveting quality, high in percent of pass, high in riveting efficiency and the like.

The invention relates to the technical field of metal casting, and discloses a production method of a high-toughness lightweight riveting nut, which comprises the following steps: step A, material selection and alloying treatment; step B, precision forming; c, surface strengthening treatment; step D, intelligent riveting process; and step E, quality detection and a feedback mechanism. According to the invention, the high-strength aluminum alloy containing magnesium, zinc, copper and other trace elements is selected as a base material, and accurate alloying treatment is carried out, so that the microstructure and mechanical properties of the material are optimized, and the hardness and deformation resistance of the material are remarkably improved; in the surface strengthening treatment stage, means such as shot peening strengthening, carburizing treatment and an ion implantation technology are adopted, a vacuum carburizing technology is introduced, and a high-energy ion beam is adopted for surface strengthening, so that the hardness, the wear resistance and the corrosion resistance of the surface of the riveting nut are remarkably improved.

The invention discloses a plant steel structure riveting installation device, and relates to the technical field of riveting, the plant steel structure riveting installation device comprises a pneumatic core-pulling rivet gun and a core-pulling rivet, the core-pulling rivet is arranged in a gun nozzle, a rivet gun heating suite is arranged on a gun head, the rivet gun heating suite is composed of an electromagnetic heating coil and an electromagnetic heating controller, and the electromagnetic heating coil and the electromagnetic heating controller are connected through a connecting cable. The electromagnetic heating coil is installed on the periphery of the gun head in a telescopic mode, the electromagnetic heating controller is installed on the gun top, the self-plugging rivet comprises a hollow rivet sleeve and a core rod, the head end of the core rod is arranged in the hollow rivet sleeve, the core rod is composed of a silicon nitride ceramic column and a steel column, and the silicon nitride ceramic column is arranged at the tail end of the hollow rivet sleeve and connected with the steel column. According to the invention, the special self-plugging rivet is designed by utilizing the existing pneumatic core-pulling riveting gun and the electromagnetic heating coil for rapid heating, so that the problem that the traditional self-plugging rivet cannot be directly hot-riveted on the pneumatic core-pulling riveting gun is solved, the operation process is simplified, the tool conversion time is shortened, the riveting efficiency is improved, and the labor intensity is reduced.

The present application relates to a kind of screw riveting punch dies of air conditioner chassis, for air conditioner chassis with screw in one end, the mould includes upper clamp plate, upper stripper, riveting punch, lower die plate, riveting matrix, lower backing plate, elastic support and lower die holder;The upper stripper is equipped with the positioning groove matched with air conditioner chassis, the positioning groove is equipped with punch through hole in the position corresponding with screw on air conditioner chassis, the riveting punch is located in punch through hole, and the end away from lower die plate is abutted to upper clamp plate;The lower die plate is equipped with matrix through hole in the position opposite punch through hole, the riveting matrix is located in matrix through hole, and the end away from upper stripper is abutted to lower backing plate, the riveting matrix is equipped with the mounting hole matched with screw, the elastic support is fixed on lower die holder, and the telescopic end of the elastic support is abutted on air conditioner chassis.Compared with prior art, the present application has the advantages of riveting efficiency and quality etc.

The invention discloses a laser impact riveting connection device, comprising: a blank holder ring, which is coaxially provided with a first through hole, a second through hole and a third through hole which are connected in sequence; a laser generator, which is movably arranged in the first through hole and the second through hole; a first connecting rod, which is threadedly connected in the third through hole, and one end of the first connecting rod is fixedly connected to the laser generator; a laser absorption layer plate, which is movably installed in the first through hole; a laser constraint layer plate, which is movably installed in the first through hole and is stacked on the laser absorption layer plate and is spaced apart from the laser generator; a first inclined hole, which is opened on the side wall of the blank holder ring; an infrared thermometer, which is arranged in the first inclined hole; a second inclined hole, which is spaced apart from the first inclined hole; an infrared heater, which is arranged in the second inclined hole; a base, which is coaxially arranged with the blank holder ring, and has a concave model cavity at the center of the base; a cooling water cavity, which is arranged in the base, and the cooling water cavity is arranged around the concave model cavity.

The utility model relates to riveting positioning technical field discloses the support riveting positioning assembly of pulley riveting, including riveting equipment and install setting on the base of riveting equipment, install setting has dismounting mechanism and positioning mechanism on the base of riveting equipment, push into the inside of guide slot through the guide roller, make the positioning hole of base bottom end correspondingly set with positioning rod, then drive the bidirectional screw rod to rotate through the motor to drive the push rod to move mutually close, so this can relieve and extrude positioning rod, will move upward to be received positioning rod, to be inserted in the inner wall of positioning hole, so the position of base is fixed in position, so compared with bolt fixing, can dismantle more conveniently, to improve riveting efficiency.

The present invention relates to a positioning riveting device for industrial plastic parts, comprising a fixing assembly, a driving guide assembly, a shock absorbing assembly and a riveting assembly. The fixing assembly comprises a fixing plate 1, a fixing plate 2, a fixing plate 3 and a fixing plate 4. The driving guide assembly comprises a hydraulic cylinder and a plurality of guide rods. The shock absorbing assembly comprises a retractable cylinder and a spring shock absorbing damper. The riveting assembly comprises a heat source mechanism, a support plate and a riveting bin. A closed air chamber is provided inside the support plate. The riveting bin comprises a riveting cavity, a riveting bin end cover, a transmission shaft, a riveting pin, a reset spring and a positioning cavity. The upper end of the transmission shaft extends upward into the closed air chamber, passes through the middle of the moving part 2 and the moving part 1 in turn and is fixedly connected to the moving part 2 and the moving part 1. The present invention can solve the deficiencies existing in the prior art, avoid damage to industrial plastic parts, and improve the riveting quality and efficiency of industrial plastic parts and nuts.

The invention discloses SPR (Surface Plasmon Resonance) self-punching riveting equipment for an integrally die-cast vehicle body and a machining method. The advancing and retreating plate is connected to the machining table through a driving mechanism; the at least one clamping mechanism is arranged on the top surface of the advancing and retreating plate; the at least one self-punching-riveting mechanism is detachably connected to the machining table; a vehicle body is fixed through the clamping mechanism and conveyed to the self-punching-riveting mechanism through the driving mechanism via the advancing and retreating plate, and the vehicle body is riveted and fixed through the self-punching-riveting mechanism. According to the SPR self-punching riveting equipment, accurate movement of a single vehicle body can be achieved, riveting machining can be conducted on multiple positions of the vehicle body at the same time, the machining efficiency and precision of the SPR self-punching riveting equipment are greatly improved, the labor intensity of manual operation is reduced, meanwhile, multiple vehicle bodies can be selected to be riveted at the same time according to the sizes of the vehicle bodies, and use is flexible and convenient.

The utility model belongs to the technical field of jigs, and particularly relates to a riveting jig which comprises a base, two supporting plates, a transverse plate, an air cylinder, a rivet pressing mechanism, a limiting column, a sliding rail, a sliding base, a nail fixing mechanism, a frame body and an adjusting plate, the upper end of the base is symmetrically and fixedly connected with the two supporting plates, the transverse plate is fixedly connected with the upper ends of the two supporting plates, and the air cylinder is fixedly connected with the two supporting plates. An air cylinder is fixedly installed in the center of the transverse plate, and the top end of an inner rod of the air cylinder penetrates through the transverse plate to be fixedly connected with the rivet pressing mechanism. According to the utility model, the rivet pressing head on the rivet pressing mechanism is designed to be an adjustable mechanism, and the rotating direction of the reciprocating screw rod is controlled, so that the rivet pressing blocks which are in threaded connection with the forward teeth and the reverse teeth of the reciprocating screw rod respectively can move oppositely or reversely, and the rivet pressing distance between the two rivet pressing blocks can be adjusted; therefore, the pressing and riveting device can be suitable for pressing and riveting of various types of workpieces, is simple and convenient to adjust, and ensures the correct position between the pressing and riveting head and the rivet and good riveting quality in the riveting process.

This invention provides a nickel starting sheet lifting lug processing device, including a guide rod. Two rivet head bodies are detachably mounted at one end of the guide rod along its length. Each rivet head body includes a rod portion and an end portion with a quadrangular prism structure. The end portion includes a first end face and a second end face forming an isosceles triangle, which are opposite to each other. The base angle of the first end face is smaller than that of the second end face. Each side of the first end face has a side end face with a triangular structure. This invention sets the end portion of the rivet head body into a quadrangular pyramid structure, which can effectively prevent the rivet head neck from breaking due to large tension changes between the nickel sheet rivet holes during riveting, thus effectively improving riveting quality and extending the service life of the rivet head. A guide groove is provided between the end portion and the rod portion to effectively prevent the nickel sheet from breaking due to pressure from the rod portion during flanging. The structure is simple and the cost is low.

The invention relates to the technical field of machining and assembling, and discloses a terminal riveting device which comprises a riveting mechanism, the riveting mechanism comprises a mounting plate, and the riveting mechanism further comprises a conveying unit and a reinforcing unit. According to the terminal riveting device, in actual use, a first air cylinder is started to push a first sliding block to slide downwards along a first sliding rail, a riveting head is driven to move downwards, a first abutting block at the bottom end is matched with the riveting head to conduct terminal riveting, meanwhile, a second air cylinder works to pull a second sliding block to slide along a second sliding rail, and a rotating block on a first rotating rod and the fixed abutting block play an important role; in addition, when the second sliding block is pulled, the spring shrinks, after the pulling force of the second air cylinder disappears, the second sliding block is pulled back through the elastic potential energy of the spring, the second abutting block pushes the terminal to prepare for lower part riveting when the second sliding block returns, and by means of the design, the riveting efficiency and quality are improved, the stability and reliability of the equipment are enhanced, the riveting process is smoother, faults are reduced, and the product quality is improved. And smooth production is guaranteed.

The utility model relates to hydraulic cylinder lower cover plate processing technical field especially relates to hydraulic cylinder lower cover plate riveting mould, including lower mould plate, still including lower fixed plate, the top of lower mould plate is provided with lower fixed plate, and the lower mould plate installs the lower mould corresponding with work piece, the lower mould plate still installs the lower punch corresponding with work piece, the top of lower fixed plate is provided with lower backing plate, and the lower backing plate is provided with stripping mechanism, the top of stripping mechanism is provided with upper mould plate, and the spacing component is arranged between lower mould plate and upper mould plate, and the top of upper mould plate installs upper fixed plate, and the bottom of upper mould plate is provided with riveting assembly, the utility model discloses through the upper mould and lower mould of accurate cooperation, ensure that the die is accurate and unbiased in the stamping process, effectively promote the riveting quality of hydraulic cylinder cover plate, and the design of stripping mechanism makes the cover plate after opening die can automatic ejection, avoids the possible deformation or scratch, and the whole assembly process is simple to operate, and the positioning is accurate and reliable.

The invention relates to a riveting clamp and a riveting method for a space curved surface composite material outer cover assembly. A plurality of single-face adhesive tapes are prepared, a composite material outer cover to be riveted and a metal inner shell are assembled in a matched mode, countersunk head rivets are assembled according to correct rivet hole positions, and countersunk head faces are sealed on the composite material outer cover through the adhesive tapes; the outer cover assembly assembled with the countersunk head rivet is placed on the profile of a riveting clamp supporting abutting seat, and the placing position is adjusted to be correct according to the marking position of the clamp; according to the distribution positions of the rivets on the metal inner shell, filler strips are sequentially placed, and it is guaranteed that holes in the filler strips are concentric with the rivets; a riveting clamp pressing strip is arranged through the guide column and is fastened by a hexagon socket cap screw; an electric wrench and a screwdriver head are used for applying force to the adjusting nut with the hole on the pressing strip of the riveting clamp to push the guide sleeve base to press the surface of the titanium alloy inner shell through the filler strip, and the composite outer cover and the titanium alloy inner shell are adjusted to be attached, and the molded surface of the composite outer cover and the abutting molded surface of the riveting clamp supporting abutting base are adjusted to be attached. And a handheld pneumatic riveting hammer is used, and a punch of the riveting hammer is inserted into the perforated adjusting nut and the guide sleeve seat on the pressing strip of the riveting clamp for hammering and riveting.

The present invention relates to a squirrel cage hammer riveting machine, comprising a hydraulic riveting machine, a riveting pressure head, a riveting workbench, a guide rail and a movable bracket, wherein the movable bracket is provided with a flipping device, and the flipping device is provided with a positioning device, wherein the positioning device positions the squirrel cage, and one side of the squirrel cage is placed on the riveting workbench, and the riveting pressure head located above the squirrel cage completes the riveting of the squirrel cage hammer head; initially, the squirrel cage central axis is vertically arranged, the movable bracket can rotate around the squirrel cage central axis, the positioning device can be vertically flipped on the flipping device, and the movable bracket can move on the guide rail along the length direction of the guide rail to drive the squirrel cage close to or away from the riveting workbench. Beneficial effects: the squirrel cage to be riveted can be clamped as a whole, the squirrel cage can rotate freely, and can be turned up and down, so that one-time clamping can be achieved, and the riveting of all hammer heads can be completed, thereby improving work efficiency, reducing labor intensity, and improving riveting quality.

The invention relates to an automatic riveting system for a lead frame and a heat sink, comprising a frame, a turntable connected to the frame, four riveting positioning seats arranged on the turntable, a heat sink positioning groove provided on the riveting positioning seats, the frame being located around the turntable and connected to a heat sink feeding mechanism, a lead frame feeding mechanism, a riveting mechanism and a discharging mechanism, a riveting method of the automatic riveting system comprising four steps: 1) heat sink feeding, 2) lead frame feeding, 3) automatic riveting, and 4) discharging, the automatic riveting system for the lead frame and the heat sink and the riveting method thereof can continuously and automatically perform the riveting operation between the heat sink and the lead frame, thereby improving the riveting efficiency and the quality of the riveted products and reducing the labor cost.

This utility model relates to the field of vehicle frame crossbeam riveting technology, and provides a vehicle frame crossbeam riveting positioning structure, including: a worktable; a first moving component disposed on the worktable; a second moving component disposed on the first moving component; a first hydraulic cylinder mounted on the second moving component; a rotating component disposed on the output end of the first hydraulic cylinder; and a riveting bracket mounted on the rotating component. The vehicle frame crossbeam riveting positioning structure provided by this solution solves the problems of inaccurate positioning, limited movement range, and inflexible angle adjustment caused by the use of manual pushing devices in existing devices. Furthermore, the introduction of a hydraulic cylinder improves the pressing force and control precision, ensuring a stable and reliable pressing process for heated screws, and significantly improving work efficiency and the adaptability of the device.

The application discloses a chain riveting tool and a riveting method, and solves the problems of low efficiency and high operation difficulty of chain link riveting in the prior art, and has the beneficial effects of ensuring product quality and simple operation, and the specific scheme is as follows: a chain riveting tool, comprising a shell, a pressure head and an end flange, the shell is provided with a groove, the shell is provided with an opening at the side of the groove, the opening is connected with a power source, the pressure head is arranged in the groove of the shell, the depth of the groove is greater than the thickness of the pressure head, one end of the pressure head is arranged towards the opening, the other end of the pressure head is provided with a convex part, the convex part can be clamped into a first recess part of the end part of the chain link pin, the maximum width or diameter of the shell is greater than the maximum width of the chain link plate, the shell and the end flange are connected through locking pieces, the locking pieces are arranged around the chain link, the power source is provided to the shell through the opening, and the power source drives the pressure head to move towards the chain link to realize riveting of the chain pin and the chain plate.

Embodiments of the present application provide a riveting control method and device. The method comprises: receiving pre-pressing process data corresponding to a target riveting process, the pre-pressing process data being used to represent a relationship between a force state, a displacement state or at least two of the riveting tool in the pre-pressing stage; determining at least one characteristic position used to represent a preset mechanical state of the riveting tool based on the pre-pressing process data; determining at least one size parameter of a riveting object based on a positional relationship between the characteristic position and a reference position, the reference position being obtained based on an empty riveting operation in a no-load state, and the riveting object at least including a rivet and / or a connected piece; and adjusting at least one riveting process parameter corresponding to the target riveting process based on the size parameter. By identifying the characteristic position in the pre-pressing process data and combining the empty riveting reference position, the actual sizes such as the plate thickness and the rivet length are obtained, so as to dynamically adjust the riveting parameters, and the riveting quality is effectively improved.

The invention relates to the technical field of PCB end riveting, and discloses PCB end riveting equipment and a riveting method thereof, the PCB end riveting equipment comprises an equipment box body, and a riveting workbench is fixedly connected right above the equipment box body. Through the arrangement of the pressing fixing mechanism, after a to-be-machined PCB is installed, a hydraulic rod is started to drive a pushing plate to slide downwards along a sliding rod, the pushing plate slides downwards to drive a plurality of riveting heads on a riveting base to slide downwards, the pushing plate drives racks at the two ends to slide downwards, the racks drive gears to rotate, and the gears drive fixing lead screws to rotate; at the moment, a fixed screw rod drives a sliding extrusion plate to move towards one end close to the to-be-processed PCB along the inner wall of the riveting workbench, the sliding extrusion plate moves to extrude an extrusion spring, the extrusion spring is extruded and contracted, the contraction elastic force of the extrusion spring is increased, and the extrusion force of the extrusion spring on a fixed plate II is increased; through the arrangement, the clamping force of the second fixing plate on the edge of the to-be-machined PCB can be increased.

The utility model relates to rivet pressing equipment which comprises a rivet pressing mechanism, a rivet pressing mechanism, a rivet pressing mechanism and a rivet pressing mechanism, wherein the rivet pressing mechanism is used for pressing and riveting a rivet onto a product to be pressed and riveted to form a pressed and riveted product; the rivet pressing mechanism comprises a rivet pressing lower die, a rivet pressing upper die and a servo electric cylinder, and a pressure sensor is arranged in the servo electric cylinder; the loading and unloading mechanism is used for placing a to-be-riveted product and taking out the riveted product by an operator; the material moving mechanism is used for moving the to-be-riveted product from the feeding and discharging mechanism to the riveting mechanism and moving the riveted product from the riveting mechanism to the feeding and discharging mechanism; the rivet bin is used for storing the rivets and is provided with a discharging opening used for outputting the rivets; the rivet feeding mechanism is used for taking out the rivets from the rivet bin and transferring the rivets to the rivet pressing mechanism; the control system is used for controlling the rivet pressing mechanism, the feeding and discharging mechanism, the material moving mechanism and the rivet feeding mechanism. According to the utility model, the servo electric steel is used as power, and the riveting pressure and the output displacement can be accurately controlled, so that the riveting quality is improved.

The riveting jig with the rotating structure comprises a rotating base, a riveting rotating disc and a hydraulic cylinder, a stepping motor is arranged in the center of the bottom of the rotating base, the riveting rotating disc is connected to the top of the rotating base in a rotating mode, a connecting rotating table is arranged in the center of the bottom of the riveting rotating disc, and the hydraulic cylinder is arranged on the connecting rotating table. Six rivet placing holes are evenly distributed in the outer ring position of the top of the rotating base, fan-shaped rotating avoiding grooves are formed in the positions, located below the rivet placing holes, of the bottom of the rivet pressing rotating disc, bottom locking bolts are connected into the rotating avoiding grooves through threads, and rotating supporting plates are rotationally connected into the rotating avoiding grooves around the bottom locking bolts; according to the multi-station feeding device, feeding can be conducted on multiple stations at the same time, the working efficiency is improved, a part to be riveted and pressed is accurately positioned, and the machining quality is improved.

The utility model belongs to the technical field of drilling and riveting machines, and discloses a lower actuator of an automatic drilling and riveting machine. The device comprises an AC swing head unit, a riveting head unit is connected in the A-axis direction of the AC swing head unit, and the driving end of the riveting head unit is connected with a pressure foot unit; the riveting head unit comprises a shell connected to the A-axis direction of the AC swing head unit, an ejector block is arranged in the shell, a spring is arranged on the surface of the ejector block, a pressing plate, an electromagnetic coil, a driving plate and a partition plate are sequentially arranged at the other end of the spring from bottom to top, an amplifier is fixedly connected to the center of the surface of the partition plate through an embedding block, and limiting blocks are arranged on the outer side of the driving plate and the outer side of the partition plate. The center of the surface of the top block is connected with a guide rod, and the amplifier driving end is connected with a pressure foot unit. The device has the function of measuring the thickness of the wall plate and the height of the rivet pier head in any angle direction in real time, the quality change of the pier head can be found in time, and the riveting quality is improved. And meanwhile, the capability of monitoring the working condition of each station in real time is achieved, and machine collision is prevented.

The invention discloses an SMC composite material new energy upper cover steel sleeve automatic riveting device, and relates to the technical field of new energy battery assemblies, the SMC composite material new energy upper cover steel sleeve automatic riveting device comprises a base, a vibration disc is arranged at the front end area of the top of the base, and a steel sleeve correction assembly is arranged at the conveying tail end of the vibration disc and comprises a fixing assembly fixedly installed at the top of the base; a correcting pipe connected with a conveying channel of the vibration disc is fixedly installed at the top of the fixing assembly, a T-shaped groove matched with a steel sleeve in shape is formed in the correcting pipe, one corner of the top of the T-shaped groove is not structurally shielded, and a feeding detection assembly is arranged at the conveying tail end of the correcting pipe and comprises a feeding channel connected with the conveying tail end of the correcting pipe. The feeding channel is connected with the material guiding pipe, the material guiding pipe is filled with the steel jackets through automatic equipment, it can be guaranteed that the number of the steel jackets in the material guiding pipe is sufficient, the filling quality of the steel jackets is high, and then the final riveting quality of the steel jackets is high.

The utility model relates to the technical field of riveting, and discloses automatic riveting equipment which comprises a riveting assembly, the riveting assembly comprises a riveting device base and a riveting gun, the riveting device base is rotationally connected with a supporting plate, the back face of the riveting gun is fixedly connected with an air cylinder, an adjusting assembly is arranged outside the riveting assembly, and the adjusting assembly is fixedly connected with the supporting plate. The adjusting assembly comprises a first servo motor, a lead screw is fixedly connected to the outside of the first servo motor, a sliding block is connected to the outside of the lead screw, a limiting chain is hinged to the back face of the sliding block, and a guide rail is arranged outside the limiting chain. According to the automatic riveting equipment, a sliding block moves along a lead screw, meanwhile, a limiting chain is driven to move in a guide rail, and meanwhile, an air cylinder and a riveting gun are driven to move, so that the position of the riveting gun is conveniently moved and adjusted, meanwhile, a first sensor on the riveting gun is started to operate, the positioning effect is achieved, and the riveting gun is aligned with riveting outside an inner container; and meanwhile, a plurality of riveting guns operate at the same time, so that multi-station riveting is achieved, and the riveting time is shortened.

The utility model discloses a special tool for riveting a heavy-load connector locking plate buckle, belongs to the technical field of electric connector riveting, and solves the technical problems that manual positioning and fixing are unstable and unsafe when a workpiece is riveted by a machine tool. The riveting tool comprises a machine base, an anvil, a punch cushion block, a pressing rod, a jacking and stretching assembly, a driving mechanism and a rebounding elastic piece. The anvil is fixedly arranged on the machine base, and the punch cushion block is located above the anvil. The punch cushion block is movably connected with one end of a pressing rod, the middle of the pressing rod is movably connected with a pressing rod support fixedly arranged on the anvil table, the other end of the pressing rod is movably connected with the upper end of a jacking and extending assembly, the lower end of the jacking and extending assembly is in driving connection with a driving mechanism, and the driving mechanism is fixedly arranged on the machine base. The riveting machine has the beneficial effects that the cam of the driving mechanism is a co-rounded equilateral triangle, so that the positioning and pre-pressing rivet is stressed in a balanced manner, and cracking is avoided; the gap between the punch cushion block and the rivet can be adjusted through the adjustable jacking and stretching assembly, so that the riveting device is suitable for riveting different workpieces; the whole tool is convenient to operate, accurate in positioning and high in riveting quality.

The utility model discloses an automatic riveting machine centering device applied to continuous production of strip steel color coatings, and relates to the technical field of strip steel color coatings. The riveting machine comprises a workbench, a riveting machine body is fixedly installed on the upper surface of the workbench, two gear seats are fixedly connected to the upper surface of the workbench, centering mechanisms are arranged on the two gear seats, the two sets of centering mechanisms are arranged on the left side and the right side of the riveting machine body respectively, and the centering mechanisms are used for conducting centering work on strip steel. After the air cylinder is started, the two racks can be driven to move in the opposite or back-to-back direction, so that the two side push plates are driven to get close to each other or get away from each other, strip steel is centered when the two side push plates get close to each other, the strip steel does not need to be centered manually, and the production efficiency is improved. The centering device of the automatic riveting machine is simple in structure, labor-saving in centering work between the two pieces of strip steel, accurate and efficient in centering, capable of guaranteeing the riveting quality of the strip steel and capable of improving practicability of the centering device of the automatic riveting machine.

The invention relates to the technical field of riveting equipment, and particularly discloses an automatic riveting machine for assembling a clutch driven plate assembly, the automatic riveting machine comprises a mounting box, a mounting hole is formed in the side surface of the mounting box, and the mounting box is fixed through the mounting hole. Before the working disc makes contact with the surface of the driven disc, the rubber pipe makes contact with the surface of the driven disc in sequence, then the rubber pipe is firmly attached to the upper surface of the driven disc, the rubber pipe and the outer pipe are extruded to deform along with increase of downward pressure, and the attaching area of the rubber pipe and the surface of the driven disc is greatly increased; the friction force between the rubber pipe and the surface of the driven disc is greatly improved, so that the friction resistance between the rubber pipe and the driven disc is greatly reduced in the process that the working disc rotates and extrudes the driven disc, the rotation error of the driven disc caused by rotation of the working disc is greatly reduced, and it is ensured that the driven disc and rivets cannot be staggered relatively; therefore, the rivet is always vertically opposite to the pressure rod, and the riveting precision is greatly improved.