282 results about "Pneumatic gripper" patented technology

The present invention belongs to the field of robot gripper, in particular, it relates to a robot pneumatic gripper. It is composed of base, two-way drive cylinder, profiling finger, finger arm, balancing drawbar and auxiliary finger. Said invention also provides their connection mode and the working principle of said pneumatic robot gripper.

An automated hand tool sharpening and cleaning system for sharpening the two opposed cutting edges of domestic, industrial, sport, or hobby hand tool like a knife blade is provided by the invention. The apparatus comprises a six-axis robotic arm, a pneumatic gripper, a vision sensor camera for profiling the blade edges, a robotic controller, and sequentially-arranged grinding, coarse sharpening, fine sharpening, and buffing rotating wheel assemblies used to grind, sharpen, and buff or polish the cutting edges of the knife blade. The blade cutting edges are profiled by the camera image that is processed by associated software to define the blade by multiple points defined along its edge, followed by a set of algorithms that are used to clean up any discrepancies in the profile data. The resulting corrected profile data is then translated into a set of machine control commands fed to the robotic arm and pneumatic gripper via the robot controller for manipulating the knife blade edges via the robotic arm with respect to each of the grinding, coarse sharpening, fine sharpening, and buffing / polishing wheels and an associated wash station for remove bits of metal and other residue resulting from the sharpened knife blade.

The invention relates to a fully-automatic grinder comprising a base, a workbench, a headstock, a tailstock, a grinding wheel mechanism, a feeding and discharging manipulator, an automatic feeding mechanism, an automatic discharging mechanism and a numerical control device. A chuck and a centre are arranged on opposite faces of the headstock and the tailstock respectively and concentrically. The feeding and discharging manipulator comprises a taking pneumatic gripper, a taking cylinder, a putting pneumatic gripper, a putting cylinder, a guide slide fixing frame, a ball screw, a linear guide rail and a guide rail bracket, the taking pneumatic gripper, the taking cylinder, the putting pneumatic gripper and the putting cylinder are all mounted on the guide slide fixing frame, the taking pneumatic gripper and the putting pneumatic gripper are arranged at an included angle forward and backward and arranged parallelly leftward and rightward, and the guide slide fixing frame is in sliding fit with the ball screw and the linear guide rail. The grinder is high in automation degree, the whole process of feeding, discharging, clamping, machining, on-line measurement and the like of workpieces is completed automatically through the numerical control device, one-man multi-machine operation can be realized, production efficiency and production quality are improved, and labor intensity and production cost of workers are lowered.

The invention concerns a pneumatic angular gripper which includes a gripper body forming a chamber (14), a piston (12) moving alternately in said chamber, and a pair of gripper jaws (13) oscillating in opposite directions on respective rotation axes in said gripper body. Each jaw (13) is connected to the head of one piston stem (12) by means of a connecting rod (22) forming a longitudinal extension of the jaw and susceptible to angular movements in regards to the head of the stem of said piston. The connecting rod has a distal part guided and sliding in a base hole (21) formed in its respective jaw (13) and a proximal part fixed to a turning pin (23) placed on board the head of the piston stem.

The invention discloses a full-automatic utility knife assembling apparatus. A loading conveyor belt and a transfer assembly for assembling are mounted on an upper end portion of a frame of the full-automatic utility knife assembling apparatus. The transfer assembly for assembling comprises transfer driving linear module, a horizontal movable plate for transfer, a vertical movable plate for transfer, and a transfer driving cylinder, a transfer supporting seat. A locating support frame is mounted on the upper end portion of the frame beside the vertical movable plate for transfer. A locating supporting seat is mounted on an upper end portion of the locating support frame. An intermediate transfer assembly is mounted between the loading conveyor belt and the transfer assembly for assembling on the left end portion of the frame. A blade-blade pusher assembling assembly and a tail holder assembling assembly are mounted on the frame beside the transfer assembly for assembling. The intermediate transfer assembly comprises an intermediate transfer mounting rack, a mounting rack transverse plate, a horizontal movable mounting seat, a horizontal cylinder for intermediate transfer, a lifting driving linear module, a vertical movable mounting seat, and a clamping pneumatic gripper for intermediate transfer. The full-automatic utility knife assembling apparatus has the advantages of novel structure design, high automation degree, high working efficiency, and effective saving of labor costs.

The invention discloses an auto quenching device which includes a rack and an induction coil connected to a high-frequency power supply circuit. The auto quenching device is characterized by including: a rotary lifting mechanism including a pneumatic gripper which is arranged longitudinally and used for clamping a shaft workpiece and can be rotated with the axial line itself and lifted vertically; an automatic material feeding mechanism arranged beside the rotary lifting mechanism, wherein the automatic material feeding mechanism is used for sending the shaft workpiece into the rotary lifting mechanism from a material arranging box so that the shaft workpiece can be clamped by the pneumatic gripper of the rotary lifting mechanism; a material receiving mechanism arranged under the rotary lifting mechanism and used for receiving a quenched shaft workpiece; and the induction coil which is arranged transversally and is matched with the pneumatic gripper clamping the shaft workpiece in the rotary lifting mechanism, wherein cooling liquid flows through the induction coil. The auto quenching device can achieve an automatic quenching function on the shaft workpiece. The shaft workpiece is cooled by spraying water thereon directly, so that heat is effectively prevented from transferred into the interior of the workpiece. The pneumatic gripper in the rotary lifting mechanism clamps the shaft workpiece longitudinally, thereby ensuring linear degree of the shaft workpiece.

The invention discloses a humanoid robot system based on air cylinders. The air cylinders serve as driving components to simulate motion of trunk joints and arms and legs of a person, and the functionof completely simulating human motion is achieved. The humanoid robot system based on the air cylinders is mainly composed of the linear motion air cylinder, the swing air cylinder, vertebras, fixingplates, thighbones, fibulas, feet, pneumatic grippers and the like and has 38 freedom degrees. Each simulating trunk joint has six freedom degrees; each hip joint, each knee joint and each ankle joint simulating a lower limb each have three freedom degrees; and each shoulder joint, each elbow joint and each wrist joint simulating an upper limb each have four freedom degrees, one freedom degree and two freedom degrees correspondingly. According to the humanoid robot system, the air cylinders are adopted for driving; and the humanoid robot system has the beneficial effects of being clean, compact in structure and good in anti-explosion performance and can be applied to the fields of station part gripping and carrying, exhibition, guest greeting and the like.

The invention relates to a multi-functional assembly machine. The multi-functional assembly machine comprises a support frame, a robot, a disassembling mechanism, a wire grounding mechanism and a controller, wherein the disassembling mechanism comprises a first lifting cylinder, a first sliding table and two lock catch opening cylinders, the first lifting cylinder and the lock catch opening cylinders are arranged on the support frame, and the two lock catch opening cylinders are respectively arranged on the two sides of the first lifting cylinder; a first pneumatic gripper is arranged on the first lifting cylinder, the first sliding table is positioned below the support frame, and a first jig plate and a first photoelectric sensor are arranged on the first sliding table; the first jig plate is provided with a fetching and placing station and a disassembling station; the wire grounding mechanism comprises a film tearing assembly, a roller assembly, a second sliding table and a second jig plate arranged on the second sliding table; and a pressure holding cylinder and a second photoelectric sensor are arranged on the second jig plate, and a pressure holding plate is arranged on the pressure holding cylinder. The disassembly of the pressure holding jig and a product wire grounding technology are simultaneously carried out without interfering each other, whole-process automation is realized, and the efficiency is greatly improved.

The invention discloses a multi-arm hanging rail type casting cleaning robot which comprises traveling devices, a rotating device, lifting devices, a working arm mounting seat and four working arms mounted on annular rails. Pneumatic grippers, magnetic cranes and cleaning tools such as pneumatic air picks and plasma cutters are arranged on tail end executors of the working arms. The traveling devices adopt four-point hanging supporting ways to realize long-distance stable traveling; large-arm adjusting cylinders and small-arm adjusting cylinders replace servo reducing motors to adjust the postures of the working arms; the four working arms can work synchronously in a combined manner; and the two pneumatic grippers, the two magnetic cranes and the four cleaning tools can be flexibly transformed and replaced, requirements of cleaning operations of recognizing, carrying, turning, posture adjusting, sand removal, cutting and polishing of heavy-weight, large-size and complicated-shaped castings can be met, the efficiency and the quality of the casting cleaning operation are improved, and the labor intensity and the production cost of operators are reduced.

A modular robot mechanism utilizing fixed drives, power sources, power delivery cables and electrical components for 4 or more axes in a protective enclosure while making it possible to provide spatial positioning and tilting degrees of freedom to an end effector suitable for using in a consumer product. Furthermore a robotic head mechanism is disclosed that creates additional degrees of freedom or states by combination of existing axes with spring loaded lock mechanisms eliminating need for conventional electrically actuated solenoid or pneumatic grippers making it possible for use as a home appliance. A method to control the robot mechanism and additional axis utilizing a matrix to decouple the input position to the remote actuator and Cartesian motion produced at the end effector.

The invention belongs to the field of clamp design and relates to a micro part clamping device. The micro part clamping device comprises a transmission mechanism, a clamping mechanism, a left press plate, a right support, a left transverse plate, a micro part, a right transverse plate, a right press plate, a third gear, a fourth gear and a clamp installing base. The left transverse plate and the right transverse plate are opened towards two sides by adjusting hand wheels, and the micro part is placed on the left transverse plate or the right transverse plate to enable the left transverse plate and the right transverse plate to be closed so as to finish micro part installation. A pneumatic gripper moves to enable a clamping finger fixing seat fixed on the pneumatic gripper to finish micro part clamping. When the micro part is pressed in the pressing process, the clamping finger fixing seat vertically floats in the pressing direction within a small range with the micro part, accordingly a phenomenon that the clamped micro part is beyond of a positioning position is avoided, and clamping and positioning of the micro part is achieved.

The invention relates to a flexible pneumatic gripper with force feedback and stroke. The flexible pneumatic gripper comprises a top shell, sliding blocks, a synchronous belt unit, a middle air cavity, a tension sensor, fingers and air conveying pipes, wherein connectors which communicate with an air source are formed in the top shell; a sliding groove is formed in the top shell; the sliding blocks are of hollow structures inside; a notch is formed in one surface of each sliding block; the sliding blocks are arranged on the sliding groove in a sliding manner; one end of the tension sensor is fixed to the top shell; the other end of the tension sensor is fixed to the top of the middle air cavity; air ends of the fingers are connected with the notches of the sliding blocks; one-way air valves are arranged in the air conveying pipes; one ends of the air conveying pipes are connected with the middle air cavity; the other end of each air conveying pipe is divided into two air pipes; the first air pipes enter the sliding blocks and communicate with the air ends of the fingers; and the second air pipes are arranged in the hollow structures in the sliding blocks and communicate with the hollow structures of the sliding blocks. The flexible pneumatic gripper is good in reliability, high in safety, high in control dimension and high in adaptability, and can better adapt to modern factories.

The invention concerns an angular pneumatic gripper structure having a body (11) formed of two symmetric and identical elements or shells (15) realized and finished individually using a forming process and then associated and attached face to face to form together a housing chamber of an alternating piston (12) and a structure for receiving and guiding an intermediate drive (13) transversely and some grips (14) so as to turn driven by the piston through the drive. The elements or shells forming the body are made using die-casting, sintering or forging processes with material suitable for these forming techniques.

The invention discloses an automatic die setting manipulator, comprising an X-axis truss, a Y-axis girder and a manipulator body, wherein the X-axis truss is provided with left and right guide longitudinal beams and support vertical stand columns, and each guide longitudinal beam is provided with a longitudinal linear guide rail and a longitudinal rack; the Y-axis girder is structurally provided with a gear, a transverse rack, a transverse linear guide rail, a slider and the manipulator body; the manipulator body is provided with a transverse driving mechanism and a longitudinal driving mechanism, as well as a lifting arm, a precise rotating air cylinder, a lifting gear and a lifting driving mechanism which are installed on a manipulator frame; an integrated execution claw is provided with a pneumatic gripper, a pressure pin cylinder and a nozzle. The automatic die setting manipulator is capable of improving the efficiency of a production line and increasing the precision of prefabricated cement members to 1mm, saves manpower by virtue of mechanical and automatic operation, and is controlled by a computer in a whole process so that real-time information and progress of production can be controlled easily and information production is realized.

The invention discloses a bent pipe intelligent polishing system based on image identification as well as intelligent polishing equipment. The system comprises a loading unit, a positioning and detecting unit, a shape identifying unit, a mechanical hand polishing unit and a motion control unit; the loading unit comprises a bent pipe loading limiting device, a first bent pipe pressing device, a second bent pipe pressing device and a material dropping device; the positioning and detecting unit comprises a feeding air cylinder, a connecting base, a feeding pneumatic gripper, an in-place air cylinder, a first industrial camera, a first camera bracket, a first flat-panel illuminating lamp and a computer; the shape identifying unit comprises a second industrial camera, a second camera bracket, a material dropping transparent supporting plate and a second flat-panel illuminating lamp; the mechanical hand polishing unit comprises a polishing head device, a main mechanical hand, a secondary mechanical hand and a drive device; and the motion control unit comprises a motor driver and a PMAC motion control card. The intelligent polishing system can intelligently and automatically adapt to shape dimension difference of bent pipes, so that polishing quality of products is improved; and moreover, the intelligent polishing system has the advantages of being efficient, time-saving and labor-saving.

The invention concerns a pneumatic angular gripper which includes a gripper body forming a chamber (14), a piston (12) moving alternately in said chamber, and a pair of gripper jaws (13) oscillating in opposite directions on respective rotation axes in said gripper body. Each jaw (13) is connected to the head of one piston stem (12) by means of a connecting rod (22) forming a longitudinal extension of the jaw and susceptible to angular movements in regards to the head of the stem of said piston. The connecting rod has a distal part guided and sliding in a base hole (21) formed in its respective jaw (13) and a proximal part fixed to a turning pin (23) placed on board the head of the piston stem.

The invention relates to an online automatic EVA (ethylene vinyl-acetate copolymer) laying and cutting machine, belonging to automatic production equipment in the photovoltaic field. The online automatic EVA laying and cutting machine has high production efficiency, and can lower labor intensity of workers and guarantee good product quality. The online automatic EVA laying and cutting machine comprises a transmission mechanism on a rack, wherein a jacking mechanism is arranged at the middle part of the rack. The online automatic EVA laying and cutting machine is structurally characterized in that a support frame corresponds to the end part of the transmission mechanism, a transverse sliding way is arranged on the support frame, a cutting mechanism is arranged on the transverse sliding way, a laying mechanism corresponding to the cutting mechanism is arranged on the rack and comprises a cross beam, a pneumatic gripper is arranged on the cross beam, and two ends of the cross beam are connected with sliding rails and a conveying belt which are arranged at two sides of the rack by sliding blocks.

The invention relates to a robotic auto-handling combined gripping system comprising an integral frame (1). A flange plate (2) is disposed on the top of the integral frame (1). Rotary shafts (4) are disposed on two sides of the bottom of the integral frame (1). Left and right ends of each rotary shaft (4) are provided with claws (5). A cylinder (6) is disposed on one side of the integral frame (1). The tail of the cylinder (6) is provided with a connecting rod (9). The piston rod end of the cylinder (6) and the end of the connecting rod (9) are connected with the upper ends of the left and right claws (5). The bottom of the integral frame (1) is provided with four groups of parallel openable pneumatic grippers (12). The bottom of each group of parallel openable pneumatic grippers (12) is provided with a hanger hook (13). The robotic auto-handling combined gripping system is available for gripping materials boxes and wooden pallets, equipment input cost is lower, fewer maintenance units are used, failure rate is lower, and the equipment in the whole site is more compact.

The invention provides a pneumatic turning and lifting device. The pneumatic turning and lifting device comprises a support, wherein a vertical lifting mechanism capable of moving up and down is arranged on the support, a horizontal turning mechanism is arranged on the vertical lifting mechanism, the vertical lifting mechanism drives the horizontal turning mechanism to move up and down, a clamping mechanism is arranged on the horizontal turning mechanism, the horizontal turning mechanism drives the clamping mechanism to turn, a power supply and a control panel connected with the power supply are arranged on the support, and the control panel is connected with the vertical lifting mechanism, the horizontal turning mechanism and the clamping mechanism. Compared with the prior art, a product is lifted through a lifting cylinder, turned through a rotary sliding table and grabbed and fixed through a pneumatic gripper cylinder; the pneumatic turning and lifting device is simple in structure and relatively simple and reliable to control, and accordingly, the cost is lower than that of an existing turning and lifting device.

An automatic pneumatic gripper applied to a screen printing machine includes a pneumatic cylinder disposed on a top surface of a fixing post and two elastic grippers pivoted on two transverse sides of the pneumatic cylinder respectively. The lower part of two grippers extend downward beyond a bottom surface of the fixing post and projects inwards to form a hook. When a plunger of the pneumatic cylinder protrudes downward and leans against the top surface of the fixing post 30, the two grippers pivot inward, clip and fasten a squeegee / scraper firmly on the fixing post by the hook. When the plunger retracts upward, the pneumatic cylinder falls down relatively falls down so that the two grippers pivot outward, away from each other and the squeegee / scraper is released.

The invention relates to a pneumatic gripper assembly structure which comprised a supporting body (11, 111) composed of at least two wall elements or symmetrical half-shells (15, 115), realized and finished individually using a forming process and then put together to form a single body capable of receiving, supporting and guiding other structural and functional components of the gripper assembly. The complementary wall elements or half-bodies are produced using die-casting, sintering or forging techniques with material compatible for such processes and provides a housing for jaws and a drive piston of the gripper.

The invention discloses a truss type three-freedom-degree double-pneumatic-gripper grabbing device. The truss type three-freedom-degree double-pneumatic-gripper grabbing device comprises a left large frame, a middle large frame, a right large frame, a transverse movement guide rail, a transverse movement rack, a transverse movement slide plate, a transverse movement motor, a transverse movement gear, a longitudinal movement guide rail, a longitudinal movement rack, a longitudinal movement slide plate, a longitudinal movement motor, a longitudinal movement gear, a middle large gear, a middle small gear, a lifting guide rail, a lifting rack, a lifting motor, a lifting gear, a lifting slide rod, a longitudinal movement limiting chain, a lifting limiting chain, a rotating cylinder, a right-angle triangular connection block, a first pneumatic three-jaw plate and a second pneumatic three-jaw plate. By means of the full-automatic truss type three-freedom-degree double-pneumatic-gripper grabbing device, the automatic blank piece supplementing and the automatic finished product piece grabbing are achieved, actions are rapid, the work efficiency is greatly improved, the actions are accurate, the error rate is greatly decreased, and potential safety hazards of manual work are avoided.

The invention discloses an automatic rim feeding and discharging mechanism. The automatic rim feeding and discharging mechanism structurally comprises four pneumatic grippers, a transverse beam, a transverse moving plate assembly, a turnover mechanism and a discharging mechanism; the four pneumatic grippers are arranged on the transverse beam, and the transverse beam is fixed to the transverse moving plate assembly; the transverse moving plate assembly is connected with a rack, and the rack is matched with a gear; a rotating body is arranged on the lower portion of the transverse moving plate assembly, and the two ends of the transverse moving plate assembly are each provided with a turnover support; the two ends of a shaft of the rotating body are connected with the turnover supports; shaft supports are arranged on the lower portions of the two ends of the shaft, and a linear guide rail on the rotating body is in sliding connection with a sliding block on the transverse moving plate assembly; and a speed reducer mounting support is further arranged on the transverse moving plate assembly. Through the mechanism, rim slag planing, rolling pressing, end cutting and automation production of four stations of a recovery machine can be achieved, labor intensity is greatly relieved, and the production efficiency is improved.

The invention concerns a parallel pneumatic gripper which includes a gripper body (11) forming a chamber (15), an alternate pneumatic piston (12) movable in the chamber, and two jaws (13, 14) controlled by the piston and movable in opposite directions. A first jaw (13) is rigidly attached to the piston (12) to follow its movements, whereas the second jaw (14) is connected to the piston (12) by an oscillating transmission element or lever (22, 22′) comprising an intermediate larger dimensioned cross section portion (23, 30) having a transversal bore to house the oscillating central fulcrum and two terminal heads with rolling surfaces (25, 25′; 31, 31′) designed to couple with corresponding seats provided respectively on the bottom of a flaring shaped in one side of the piston (12) and in the second jaw (14).

The invention relates to the technical field of workpiece assembling, in particular to a full-automatic line-frequency induction heating and assembling device. The full-automatic line-frequency induction heating and assembling device comprises a machine tool, a line-frequency induction heating component, a mechanical hand gripping component, an automatic press fitting component and a controller, wherein the line-frequency induction heating component, the mechanical hand gripping component, the automatic press fitting component and the controller are fixed to the machine tool; the mechanical hand gripping component is fixed between the line-frequency induction heating component and the automatic press fitting component; a workpiece platform of the line-frequency induction heating component and a workpiece platform of the automatic press fitting component are located at the same horizontal height; the mechanical hand gripping component is provided with a mechanical hand used for gripping a workpiece on the workpiece platform of the line-frequency induction heating component to the workpiece platform of the automatic press fitting component; and the control signal output end of the controller is electrically connected with the line-frequency induction heating component, the mechanical hand gripping component and the automatic press fitting component. A plate turning mechanism, and workpiece gripping and assembling of a pneumatic gripper are driven through electricity, one-button starting / stopping can be achieved, and the labor intensity of staff is relieved.

The invention discloses a pneumatic gripper mechanical arm and belongs to the technical field of plastics machining machinery. The pneumatic gripper mechanical arm comprises an air cylinder body, a piston, an air cylinder rod, and a pair of clamping arms which are connected to the air cylinder rod and can be oppositely folded and unfolded. The pneumatic gripper mechanical arm is characterized in that one end of the air cylinder rod, which is connected with the clamping arms, is provided with a U-shaped frame, the cross arm of the U-shaped frame is connected with the air cylinder rod, and the end portions of the two longitudinal arms of the U-shaped frame are respectively provided with a bearing; the pair of clamping arms are slidingly connected to the two vertical arms of the U-shaped frame through a support with a bearing groove, the bearings work inside the bearing groove, and the support is rotatably connected to the air cylinder body through a support pin. The pneumatic gripper mechanical arm has the advantages of being simple and compact in structure, small in size, low in energy consumption and the like.

The invention provides a stacking manipulator, belongs to the technical field of machines and solves the problem that the feeding accuracy of the existing stacking manipulator is not high. The stacking manipulator comprises a rack, wherein a base, a working table and a material placing table are installed on the rack, a main shaft is installed on the base, a grabbing mechanism is installed on a lifting air cylinder, the grabbing mechanism comprises a rotary air cylinder and a rotating frame, an inclined side surface of the rotating frame is fixedly arranged on the rotary air cylinder, a first manipulator pneumatic gripper is installed on one right-angle side surface of the rotating frame, a second manipulator pneumatic gripper which can longitudinally move on the other right-angle side surface of the rotating frame is arranged on the right-angle side surface, each of the first manipulator pneumatic gripper and the second manipulator pneumatic gripper comprises a pedestal, a plurality of pneumatic grippers which are uniformly distributed around the axis of the pedestal are installed on the end surfaces of the pedestals, pushing plates for placing workpieces are arranged on the pedestals, and propelling mechanisms for enabling the pushing plates to move along axial direction of the pedestals are arranged between the pushing plates and the pedestals. The stacking manipulator has the advantages of convenience in operation and high accuracy.

The invention discloses a clamping location pneumatic gripper, which comprises a motor I, a dead lever I, an air cylinder I, a fixed dam I, a motor II, a dead lever II, a rotary plate, an air cylinder II, an air cylinder III, a fixed dam II, a motor III, a gripper I, an air cylinder IV, a fixed dam III, a dead lever III, a pressure sensor, an air cylinder V, an air cylinder VI, a fixed dam IV, a motor IV and a gripper II, wherein the motor I is connected with the shell of the air cylinder I; the shaft of the motor I is connected with the rotary plate; the shaft of the motor II is connected with the dead lever II; the motor III is connected with the gripper I; the motor IV is connected with the gripper II; the pressure sensor is connected with the dead lever III; the lever of the air cylinder I is connected with the fixed dam I; the lever of the air cylinder III is connected with the fixed dam II; the lever of the air cylinder IV is connected with the fixed dam III; the lever of the air cylinder VI is connected with the fixed dam IV; the rotary plate is provided with the air cylinder II and the air cylinder V; the rods of the air cylinder II and the air cylinder V are respectively connected with the air cylinder III and the air cylinder VI; and the air cylinder III and the air cylinder VI are respectively connected with the motor III and the motor IV. The clamping location pneumatic gripper disclosed by the invention has a simple structure, accuracy in location and reliability in service.

The invention relates to an automatic sleeve cuffs buttonholing and button attaching sewing machine. The automatic sleeve cuffs buttonholing button sewing machine comprises a grabbing feeding mechanism, a translation feeding mechanism, a button attaching machine and a buttonholing machine; a cloth detection switch detects cloth and then sends a signal to a control center, the control center sends an instruction to a jacking mechanism, and the jacking mechanism jacks a cloth putting base to the appointed position; a cloth taking air cylinder pushes a pneumatic gripper device downwards to the appointed position, and the pneumatic gripper device starts to grip the cloth; after cloth gripping is finished, the cloth taking air cylinder contracts upwards to the appointed position, an X-direction power mechanism is pushed out and conveys the cloth to the appointed position in the X direction, and the pneumatic gripper device loosens the cloth; the cloth continues to be conveyed by the translation feeding mechanism in the X direction and puts the cloth to the position between the button attaching machine and the buttonholing machine; the mechanism of the button attaching machine is fixed to an X-direction linear motion mechanism, the button attaching machine and the buttonholing machine do sewing work on the sleeve cuffs at the same time, and after the button attaching machine attaches one button, the X-direction linear motion mechanism drives the button attaching machine to move by a certain distance in the X direction to attach the next button.