112results about How to "Improve punching efficiency" patented technology

The present invention relates to a linear profile multi-station processing system and a linear profile production line, which are used for processing a linear profile that is fed along its own length direction at multiple stations in its length direction, and are characterized in that: it comprises a plurality of punching units and a control unit, the plurality of punching units are spaced apart along the feeding direction of the linear profile, and each punching unit comprises a punching mechanism; the punching mechanism moves synchronously with the linear profile under the control of the control unit and performs the punching operation synchronously, and its beneficial effect is that the linear profile multi-station processing system adopts a follow-up punching method, and while the punching mechanism performs the punching action, the main body of the punching mechanism runs synchronously with the linear profile, so that the punching of the through hole to be formed on the linear profile can be completed without stopping the linear profile, thereby greatly improving the punching efficiency of the linear profile multi-station processing system.

The utility model discloses a punching tool for an automobile bumper. Comprising a first base, a supporting seat, a first motor, a guide wheel, a guide groove, a connecting groove, a first pressing block, a bolt, a first spring, a first supporting rod, a second base, a second supporting rod, a first cutting block, a third base, a third supporting rod, a fourth supporting rod, a supporting frame, a calibrated scale, scale marks, a first hydraulic cylinder, a second pressing block, a connecting block, a second spring, a protective frame, a second cutting block, a bumper and a length control mechanism. The bumper punching device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, bumpers of different sizes can be effectively conveyed through the first base, the supporting base, the first motor, the guide wheel, the guide groove, the connecting groove, the first pressing block, the bolt and the first spring, and the overall punching efficiency is improved; through the arrangement of the first hydraulic cylinder, the second pressing block, the connecting block, the second spring, the protection frame and the second cutting block, punching treatment can be rapidly conducted on the bumper.

The invention relates to the field of silicon steel sheet processing, in particular to an EI type silicon steel sheet production process and production equipment. The EI type silicon steel sheet production process comprises the steps that S1, longitudinal shearing is conducted, specifically, a raw material steel belt is longitudinally cut into a product steel belt with the set width, and the product steel belt is wound into a coil; and S2, punching the silicon steel sheets: utilizing a product steel belt with the width consistent with the total length of the EI-type silicon steel sheet to perform one-time punching on a single station to obtain an E-shaped silicon steel sheet and an I-shaped silicon steel sheet. The EI type silicon steel sheet production equipment comprises a longitudinal shearing and distributing unit and an EI type silicon steel sheet punching and shearing unit, the longitudinal shearing and distributing unit comprises an uncoiling machine, a feeding machine table, a longitudinal shearing machine, a receiving and leveling machine and a coiling machine, and the EI type silicon steel sheet punching and shearing unit comprises a coiling frame, a steel belt leveling machine and a silicon steel sheet punching and cutting machine. A plurality of product steel strips with straight edges are arranged, and the E-shaped silicon steel sheet and the I-shaped silicon steel sheet are obtained by punching the product steel strips on a single station at a time, so that the machining precision of the E-shaped silicon steel sheet and the I-shaped silicon steel sheet is improved.

The utility model is suitable for the technical field of dies, and provides a workpiece punching positioning die which comprises a bottom plate, a connecting seat is fixedly connected to the upper surface of the bottom plate, a workbench is fixedly connected to the top of the connecting seat, a groove is transversely formed in the top of the workbench, connecting plates are fixedly connected to the two ends of the top of the connecting seat, and the connecting plates are fixedly connected to the upper surface of the bottom plate. A punching mechanism is arranged on the upper surface of the connecting plate, and a first electric telescopic rod is vertically and fixedly connected to the lower surface of the connecting plate. According to the workpiece punching positioning die, after a steel belt penetrates through the position between an upper conveying roller and a lower conveying roller and stretches into an inner cavity of a groove, the bottom of an extrusion roller abuts against the upper surface of the steel belt, then the steel belt can be positioned and conveyed, the machining quality of subsequent punching is improved, and after a first electric telescopic rod stretches out and draws back, a connecting frame can be driven to ascend and descend; and therefore, the use height of the extrusion roller is adjusted, steel belts with different thickness specifications can be conveniently matched for positioning and machining, and the adaptability of the mold is improved.

The invention discloses an automatic punching device with a protection function for C-shaped steel machining, and belongs to the technical field of profile machining, the automatic punching device comprises a device main body, three groups of guide mechanisms, a pressing mechanism, a punching mechanism, an oil control mechanism, a protection mechanism and a pushing mechanism, and the bottom of one end of the device main body is provided with the three groups of guide mechanisms; the top of the other end of the device body is provided with two pressing mechanisms, a controller is arranged between the two pressing mechanisms, and the controller is electrically connected with the interior of the protection mechanism. The punching device has the beneficial effects that when the punch punches the surface of a profile downwards, due to the fact that the periphery of a hole site is pressed through the bottom of the ejector rod, the periphery of a punched hole can be kept flat, and when the thickness of steel is large and the resistance borne by the punch becomes large and the punch cracks, due to the existence of the ejector rod, the fractured punch only remains in the ejector rod, and the punching quality is improved. And the device cannot jump out to accidentally injure operators, so that the use safety of the device is greatly improved.

The multi-station punching device for aluminum profile machining comprises a base, four supporting columns are fixed to the base, the plane of a hollow polygon prism is provided with a limiting groove set matched with an aluminum profile for placement and matched with a punch for use, and a driving mechanism for driving two conveying pipes to rotate synchronously is installed on a lifting plate. The driving mechanism rotates the hollow polygon prism at a fixed angle and keeps static, one plane of the static hollow polygon prism is opposite to the punch, the driving piece drives the lifting plate to move up and down, and aluminum profiles on the hollow polygon prism can be punched one by one in cooperation with the driving mechanism. The problems that in the prior art, the punching efficiency is low, and potential safety hazards exist are avoided, by arranging the multi-station hollow polygon prism distributed annularly, the overall size of equipment is reduced, and the functions of correcting, limiting, cooling and the like of the U-shaped aluminum gusset plate can also be achieved.

The invention discloses a punching device for bus duct processing, which relates to the technical field of electric power engineering and comprises a bottom plate, an equipment box is fixedly arranged at one end of the top of the bottom plate, a punching mechanism for punching a side plate is arranged on one side of the equipment box, and a driving mechanism for providing power is arranged on one side of the punching mechanism. Transmission mechanisms which are connected with the punching mechanism and transmit power are symmetrically arranged on the two sides of one side of the driving mechanism, and tensioning mechanisms used for adjusting the transmission mechanisms are symmetrically arranged on the two sides of the transmission mechanisms. By arranging the driving mechanism, the transmission mechanism and the punching mechanism, the driving mechanism runs to drive the transmission mechanism to run and then drive the punching mechanism to work, four positions, needing to be punched, of side plates of different sizes can be punched at the same time, and the punching efficiency is improved; and by arranging the feeding mechanism and the grinding mechanism, the feeding mechanism operates to drive the grinding mechanism to work, the punched side plate is ground and deburred, and the punching efficiency is further improved.

The utility model discloses side cutting equipment for an insulating cover of a power battery, and relates to the technical field of batteries. Comprising a main stroke air cylinder, a side air cylinder, an upper die core, a lower die core and a PLC, the main stroke air cylinder is arranged on a main air cylinder fixing plate, the main air cylinder fixing plate is provided with the PLC, a pneumatic control valve and a double-start fool-proof switch, an air cylinder rod of the main stroke air cylinder is connected with an air cylinder rod connecting plate, and the lower portion of the air cylinder rod connecting plate is connected with a stamping knife upper die core connecting plate. The outer ends of the air cylinder rod connecting plate and the stamping knife upper die core connecting plate are connected with die core guide columns through guide sleeves, the die core guide columns are arranged between the equipment bottom plate and the main air cylinder fixing plate, an upper die core and a vertical cutting stamping knife are arranged below the stamping knife upper die core connecting plate, and a lower die core is correspondingly arranged below the upper die core. And the lower mold core is arranged on the equipment bottom plate through the mold core fixing plate and the heightening foot columns. The punching device is reasonable in structural design, capable of greatly improving punching efficiency and reducing loss, and high in practicability.

The utility model discloses a cloth cutting punching machine, and particularly relates to the field of baseball cap processing equipment, which comprises a machine body, support legs are arranged at the bottom end of the machine body, a workbench is arranged on the machine body, a bottom plate is mounted at the bottom end of the workbench, a plurality of support components are uniformly mounted on the bottom plate, cross rails are symmetrically mounted at the top end of the machine body, and the cross rails are connected with the baseball cap processing equipment. A first moving mechanism is arranged on one side of one transverse rail, a support is jointly supported by the two transverse rails and the top end of the first moving mechanism, a second moving mechanism is installed on the support, a bottom frame is installed at the bottom of the second moving mechanism, a blanking mechanism is arranged on the bottom frame, and a punch is installed at the bottom end of the blanking mechanism. The cloth cutting device has the advantages that the whole cloth placed on the workbench can be cut in a multi-point mode, one-time placing and positioning can be achieved, continuous blanking can be achieved, the blanking efficiency can be improved, the blanked cloth can be automatically ejected out, and material picking is facilitated.

The utility model relates to the technical field of building curtain wall aluminum profile stand column punching, and discloses a fast and efficient punching device for building curtain wall aluminum profile stand column machining, which comprises a hydraulic punching machine and a stand column body, two hydraulic rods are installed on the surface of the hydraulic punching machine, and punches are installed at the output ends of the hydraulic rods. The stand column body is placed on the surface of the hydraulic punching machine, a limiting structure is arranged on the surface of the hydraulic punching machine, the limiting structure comprises a servo motor, and the servo motor is fixedly connected with the surface of the hydraulic punching machine. The positioning clamp is simple in structure and convenient to use, can more conveniently adapt to the shapes of stand columns of different specifications, can quickly get close to and clamp a stand column body from the two sides, achieves quick positioning and fixing, greatly saves the positioning adjusting time when the stand column specification is replaced compared with a traditional positioning clamp, and further improves the punching efficiency of the stand column body.

This utility model discloses a filter paperboard punching mechanism, relating to the field of filter paperboard processing technology. It includes a hydraulic punching main unit, with a punching worktable on the front side of the main unit. A lower punching die is fixedly connected to the upper front end of the worktable. A hydraulic telescopic rod is fixedly connected to the upper end of the main unit via a cantilever, positioned directly above the lower punching die. Through the use of elastic heating support pads and elastic pressure pads, the loose fiber structure of the filter paperboard is effectively prevented from being compacted, ensuring the air permeability and filtration efficiency of the filter paperboard. Simultaneously, the elastic heating support pads heat the filter paperboard when in contact with it, softening the fibers and preventing brittle breakage, thus improving the quality of the punching process. Furthermore, the elastic pressure pads further reduce the direct impact of the punching blade on the paperboard, resulting in a smoother punching edge, reducing burrs and fiber damage, and improving the overall quality of the product.

The utility model discloses a punching device of a hand plate model, which comprises a conveying frame, two transmission rods are movably arranged on the inner side of the conveying frame, a first motor is arranged on the surface of the conveying frame, the first motor is used for driving one of the transmission rods to rotate, a plurality of conveying belts are arranged between the two transmission rods, and the conveying belts are arranged on the conveying frame. A plurality of limiting plates are arranged on the surfaces of the multiple conveying belts at equal intervals. According to the punching device of the hand plate model, the limiting plates, the belt and the conveying belt are arranged, a shell needing to be punched is placed between the two limiting plates, the shell abuts against the surface of the belt and can move along with the shell, loss generated by friction force is reduced, and the punching efficiency is improved. When the conveying belt drives the shell to move to the position of the female die, the male die moves downwards for punching, the shell does not need to be taken out and put in repeatedly in the whole process, the production time is greatly shortened, and the punching efficiency is improved.

A hub blank punching forming device comprises a workbench, a positioning part, a punching part and a pressing device. The positioning part comprises a base, a positioning seat and a male die. The male die is provided with a short punching needle and a long punching needle. The punching part comprises a base plate, an oil cylinder, a sliding rail and a punching mechanism. The punching mechanism comprises a jig bottom plate, a pressing block and a cutter. Through the positioning part, the positioning part comprises a base fixedly arranged on the workbench, a positioning seat fixedly arranged on the base and a male die embedded in the positioning seat. The outer contour of the male die is in a step type. A short punching needle and a long punching needle are arranged at the ends, facing the punching part, of the two steps of the male die respectively. The punching part is arranged to push the side end face of the hub blank to abut against the short punching needle and the long punching needle to complete punching. The punching efficiency is high, and deformation of the side end face of the hub blank during punching is avoided.

The utility model relates to the technical field of plate machining equipment, and discloses a tool bit adjusting mechanism of a plate punching machine, the tool bit adjusting mechanism comprises a punching machine tool, the side wall of an inner cavity of a fixing frame is rotatably connected with a tool fixing disc through a rotating shaft, and the surface of the tool fixing disc is fixedly connected with two groups of punching cutters through bolts; the end, penetrating through the fixing frame, of the fixing rod is provided with a driving piece used for driving the cutter fixing disc to rotate, an inserting hole is formed in the surface of the cutter fixing disc, and a fixing piece used for positioning the cutter fixing disc is arranged in the inserting hole. Through cooperative use of the driving piece, the fixing piece and other related assemblies, the whole use and operation are easy and convenient, shutdown treatment does not need to be conducted on the punching machine, the tool bit can be rapidly replaced and adjusted, the stability of the tool bit in the punching using process can be effectively guaranteed, and the punching efficiency is improved. And meanwhile, the actual punching machining efficiency can be further improved.

The utility model belongs to the technical field of aluminum formwork machining, and particularly relates to a building aluminum formwork punching machine which comprises a support and a punching assembly arranged on the support and used for punching an aluminum formwork, and further comprises a discharging assembly arranged on the punching assembly and adjustable double punching heads arranged on the punching assembly. The gear motor is driven to drive the rotating rod to rotate, due to the fact that the left sliding block and the right sliding block are screwed to the threads, opposite in direction, at the two ends of the rotating rod respectively, and the left sliding block and the right sliding block are limited by the sliding grooves, rotation of the rotating rod drives the left punching head and the right punching head to move in the opposite directions at the moment, and then the distance between the left punching head and the right punching head is adjusted; according to the punching device, punching operation of two holes can be completed at a time, punching operation of different hole distances can be conducted, the punching efficiency is high, the flexibility is high, and automatic discharging operation is conducted by pushing the aluminum templates clamped to the left punching head and the right punching head through the discharging assembly.

A multi-microporous self-lubricating punching die relates to the technical field of stamping dies, and includes an upper die, a lower die, a guide sleeve, and a lubricating oil regulating system. The upper die includes an adjusting screw, a positioning pin, an elastomer, a stripping plate, an upper die plate, a pad, a punch needle, and a punch needle fixing plate. The lower die includes a die fixing screw, a die, a lower die plate, and a positioning cone pin. The guide sleeve includes a guide column and a guide sleeve. The lubricating oil regulating system includes a pressure regulating oil circuit, an oil supply oil circuit, and an oil unloading oil circuit. The pressure regulating one-way valve includes a pressure regulating steel ball and a pressure regulating reset spring. The oil supply one-way valve is arranged on the oil supply oil circuit, and the oil supply one-way valve includes an oil supply steel ball, an oil supply reset spring, and an oil supply adjustment screw, and an oil unloading plug wire is arranged on the oil unloading oil circuit. The present invention adds a self-lubricating system, which can automatically lubricate the punch and the die during operation, thereby reducing the wear and breakage damage rate of the punch and the die, improving the punching quality, increasing the service life of the die, and improving production efficiency.

The utility model discloses a punching device for multi-station seat processing, relates to the technical field of seat processing, and solves the problems that the punching position is inconvenient to adjust and only a specified position of a seat can be punched, the punching device comprises a processing table, and a driving box is fixedly mounted at the rear position of the top of the processing table through a vertical plate; a seat needing to be punched can be conveniently placed by arranging the rotating disc, a punching mechanism is jointly constructed by arranging the electric air cylinder, the mounting plate and the punching head, the seat placed at the top of the rotating disc can be punched, and the seat can be driven to rotate by arranging the driving motor and the rotating shaft. According to the scheme, the position, needing to be drilled, of a seat is adjusted, a servo motor, a threaded rod and a threaded sleeve are arranged, a transverse plate and a punching mechanism can be driven to move left and right, the left-right position of the punching mechanism is adjusted, and different positions of the seat can be punched through the scheme.

The utility model provides an automatic punching and automatic separating device for female bending pipe fitting gate, and belongs to the technical field of pipe fitting gate punching device. It includes integral mounting bottom plate, is provided with turnover mechanism on integral mounting bottom plate, turnover mechanism includes turnover mechanism bottom plate, is equipped with female bending pipe fitting separating push plate on turnover mechanism bottom plate, and the product to be punched is positioned and placed on female bending pipe fitting separating push plate, is equipped with a group of gate stop strip on turnover mechanism bottom plate, is provided with positioning assembly and cutter assembly on integral mounting bottom plate. The utility model device is based on the structural design of turnover mechanism bottom plate, female bending pipe fitting separating push plate, gate stop strip, positioning assembly and cutter assembly, can position fast to product, carry out location clamping to gate, realize the automatic punching and separating of female bending pipe fitting and gate, and can collect pipe fitting and gate after punching respectively, realize the batch punching of product gate, and the punching efficiency is high, and the production cost is low.

The invention relates to shearing equipment for a center pillar sheet type silicon steel sheet, and relates to the technical field of silicon steel sheet machining. The device comprises a workbench, and a moving frame and a moving assembly used for driving the moving frame to move back and forth in the length direction of the workbench are arranged above the workbench; a lifting part is arranged on the movable frame, a plurality of blanking tools are further detachably connected to the movable frame, the lifting part is used for driving the blanking tools to move in a reciprocating mode in the direction close to or away from the workbench, and an adjusting assembly is further arranged on the movable frame and used for adjusting the relative positions of the blanking tools; the punching and cutting device has the effect of improving punching and cutting of the middle column sheet shape of the silicon steel sheet.

The invention relates to the technical field of stamping dies, in particular to a universal punching die for sheet metal part machining. The universal punching die for sheet metal part machining comprises a supporting base, a machining table, supporting columns and a movable table, the machining table with a containing groove formed in the center is fixedly installed on the supporting base, the two supporting columns are symmetrically and fixedly installed on the supporting base, the movable table capable of sliding is arranged between the supporting columns, and the universal punching die further comprises a return spring I and the like. And return springs I are arranged between the movable tables and the supporting columns in a sleeving manner. According to the punching device, the square punching head is arranged in the mounting column, the circular punching head is arranged in the square punching head, then the square punching head and the circular punching head are driven to alternately stretch out of the mounting column through rotation of the tilting rod according to actual use requirements, and therefore rapid replacement of a conventional punching head is achieved, and the punching efficiency of sheet metal parts is improved; and meanwhile, the connecting rod is limited and fixed through the clamping block, so that the stability of the punching head is guaranteed.

The utility model discloses a soft strip combination tool, and belongs to the technical field of soft strip processing equipment, the soft strip combination tool comprises a mounting frame, a fixing seat is arranged on the mounting frame, the fixing seat is connected with a guide assembly matched with a soft strip, the fixing seat is connected with a first punching die and a second punching die in the vertical direction, and the first punching die and the second punching die are arranged on the mounting frame. The first punching die and the second punching die are sequentially distributed in the length direction of the fixing base, the first punching die is connected with a first air cylinder, the second punching die is connected with a second air cylinder, a carrying table is arranged on the installation frame, the fixing base and the guide assembly are both installed on the carrying table, and the guide assembly is connected with the first air cylinder and the second air cylinder. The at least two punching dies are integrated on the same tool, and the two punching dies are independently adjustable, so that stations are saved, and the punching efficiency is improved.

This utility model discloses a novel punching mechanism for a punch press, comprising: a punch press body; a mounting plate 1 fixedly connected to the top of the punch press body; a servo motor 1 fixedly mounted on the outer side of the mounting plate 1; a lead screw 1 fixedly connected to the output end of the servo motor 1 via a coupling; guide rods 1 fixedly connected to the inner sides of the two mounting plates 1; a bracket movably connected to the outer walls of the lead screw 1 and guide rod 1; a servo motor 2 fixedly mounted on one side of the bracket; a lead screw 2 fixedly connected to the output end of the servo motor 2 via a coupling; a guide rod 2 fixedly connected to the inner side of the bracket; and a slider movably connected to the outer walls of the lead screw 2 and guide rod 2. The servo motors 1 and 2 can respectively drive the lead screw 1 and lead screw 2 to rotate, thereby driving the movement of the bracket and slider, facilitating the adjustment of the punch position and enabling punching at any position on the top of the template, thus improving punching efficiency.

The invention belongs to the technical field of computer case machining equipment, and particularly relates to a computer case die punching device which comprises a rack, a rotary driving mechanism, a transmission mechanism, a swing mechanism, a lifting mechanism, a punching mechanism and a workbench. The swing mechanism is connected with the transmission mechanism and the lifting mechanism, the lifting mechanism is fixed to the rack, the punching mechanism is fixed to the lifting mechanism, and the workbench is fixed to the rack and arranged below the punching mechanism. According to the punching die device for the computer case, motion conversion is achieved through an eccentric wheel-swing rod mechanism, according to the motion principle of an eccentric mechanism, the reciprocating stroke of the punching mechanism is only two times of the eccentric distance, and compared with the stroke of a traditional hydraulic piston rod, the stroke is shortened; and in cooperation with the high-frequency response characteristic of gear transmission, the time consumption of single punching circulation is shortened, and the punching machining efficiency is improved.

The utility model relates to the technical field of automobile part machining, and discloses a punching operation die for automobile parts, which comprises a workbench and an inverted U-shaped frame fixedly connected to the top of the workbench, and further comprises a hydraulic push rod mounted at the top of the inverted U-shaped frame, and a punching mechanism mounted on the workbench, and the output end of the hydraulic push rod is fixedly connected with a mounting plate; through the arrangement of the cooling mechanism, the surface of the punching column and the surface of the bottom die holder can be cooled through airflow, so that the condition that the surface of the die is overheated due to high temperature is relieved, meanwhile, under the matching action of the jacking mechanism and the baffle, the condition that accessories are adhered to the die can be relieved, and under the action of the chip collecting mechanism, the accessories can be prevented from falling off. According to the punching device, scraps generated during punching can be collected and treated in time, and the problems that in the using process of an existing punching device, a die cannot be cooled, the situation that accessories adhere to the die cannot be relieved, and scrap iron cannot be cleared away in time are solved.

The present invention discloses a multi-station servo punching machine with high punching efficiency and a method for using the same, comprising a workbench, a rotary feeding mechanism, a bearing mechanism, a feeder and a punching device; the punching device comprises a mounting frame, a pushing mechanism and a position-limiting punching assembly, a plurality of pushing mechanisms are arranged equidistantly, and the mounting frame is connected to the top of the workbench; the pushing mechanism comprises a driven gear, a connecting shaft and an eccentric wheel. The present invention utilizes a setting mode in which a rotary feeding mechanism and a punching device are matched, and through the setting of a plurality of pushing mechanisms and position-limiting punching assemblies, multi-station punching of a workpiece is realized, and the punching power of the workpiece comes from the operation of a first motor, so that the workpiece is punched while being rotated and fed, so that the punching efficiency of the workpiece is higher. Compared with other punching machines, the punching machine only needs a smaller driver to obtain the same output, and a more intense energy exchange is performed between the rotary feeding mechanism and the punching device.

The utility model relates to the technical field of punching equipment, and discloses high-efficiency punching equipment for sheet metal punching, which comprises an equipment body, a punching mechanism is arranged in the equipment body, a limiting block is arranged at the bottom of the punching mechanism, an intercepting cover is slidably sleeved on the outer side of the limiting block, and a first spring is sleeved on the outer side of the limiting block. A universal ball is rotatably arranged on the inner wall of the top of the equipment body, infrared rays are arranged in the universal ball, two clamping plates are slidably arranged in the equipment body, when a sheet metal part is punched, the sheet metal part needing to be punched is placed between the two clamping plates, and connecting rods on the two sides of the clamping plates can slide outwards; according to the punching device for the sheet metal part, a connecting rod is arranged in the middle of the sheet metal part, so that a third spring on the outer side of the connecting rod deforms, the deformed third spring pushes a clamping plate to clamp the sheet metal part, meanwhile, an elastic plate in the clamping plate also clamps the sheet metal part, then the sheet metal part is drilled through the punching mechanism, the situation that the sheet metal part needs to be clamped again every time punching is conducted is avoided, and the punching efficiency is improved.

The present invention discloses a punch structure, including a punch body. A groove group is arranged on the outer peripheral surface of the punch body, and the groove group intersects with the working end surface of the punch body to form a cutting edge, which can reduce the punching force during the punching process, thereby reducing the damage to the punch and making it easier to cut the material. The existence of the groove group can collect fine iron filings in the punching process and inorganic salts falling off the surface of silicon steel in the groove group, thereby reducing friction and reducing dust at the same time, solving the problems of excessive burrs and excessive collapse angles of the product.

The utility model discloses a forge piece accurate positioning automatic punching device which comprises an adjusting box, the top end of the adjusting box is fixedly connected with a workbench, and the top end of the adjusting box and the top end of the workbench are respectively provided with two square through holes in the same position in a penetrating mode. The servo motor is started to drive the rotating shaft to rotate, so that the driving gear is driven by the rotating shaft to push the driven column to move, the driven column drives the four connecting rods to rotate in the moving process and drags the two driven rods to contract, clamping and positioning in the material punching process are achieved, and through cooperation of the positioning baffles, the material punching efficiency is improved. The positioning device is simple in structure and convenient to operate, accurate positioning is achieved, stability of materials in the punching process of the punching machine is improved, the percent of pass of punching is increased, meanwhile, the step of manual positioning is reduced, and punching efficiency is improved.

The invention discloses an air column welding structure, a welding method and an inflatable tent framework, the air column welding structure comprises a plurality of pipe bodies, the plurality of pipe bodies are butted together to form a multi-way pipe joint, a first welding area for hermetically connecting the adjacent pipe bodies is arranged at the butted part of the adjacent pipe bodies, a first reinforcing sheet is welded on the first welding area, and a second reinforcing sheet is welded on the second welding area. Center holes are formed in the top center and the bottom center of the multi-way pipe joint, and sealing pieces and second reinforcing pieces are welded to the inner sides and the outer sides of the peripheries of the center holes correspondingly. The method has the advantages that the manufacturing process can be optimized, the production efficiency is improved, the product quality is ensured, and the production cost is reduced.

The utility model relates to the technical field of punching, in particular to a steel plate punching machine which is higher in punching efficiency, convenient to use, suitable for mass production and high in practicability. Comprising a bottom plate and a supporting frame which is fixedly installed at the upper end of the bottom plate. The device further comprises a lifting plate, two sets of sliding rails A, four sets of punches, a moving mechanism, two sets of clamping mechanisms, a lifting mechanism, four sets of locking mechanisms and a distance adjusting mechanism, the two sets of clamping mechanisms are installed on the supporting frame through the moving mechanism, the moving mechanism is used for moving the two sets of clamping mechanisms, the clamping mechanisms have the clamping and fixing functions, and the lifting plate is installed on the lifting mechanism. The lifting mechanism is used for lifting the lifting plate, the two sets of sliding rails A are installed on the front portion and the rear portion of the lower end of the lifting plate through the distance adjusting mechanism, the distance adjusting mechanism is used for adjusting the distance between the two sets of sliding rails A, the two sets of punches are arranged on the two sets of sliding rails A, and the four sets of punches are installed on the two sets of sliding rails A through the four sets of locking mechanisms correspondingly.