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1068results about "Shearing tools" patented technology

Automatic slitting device for aluminum alloy plate

InactiveCN119525591Aachieve rotationEfficient and unified fixed operationShearing machinesShearing toolsClassical mechanicsSupport plane
The invention provides an aluminum alloy plate automatic slitting device, and relates to the technical field of slitting devices.The aluminum alloy plate automatic slitting device comprises two supporting frames, adjusting grooves are formed in the supporting frames on the two sides, a movable platform is movably installed in each adjusting groove, and placement assemblies used for adjusting the distance are installed in the supporting frames on the two sides and the movable platforms correspondingly; first right-angle teeth on a rod body of a driving rod can be engaged with second right-angle teeth on the inner wall of a matching arc plate, and the first right-angle teeth and the second right-angle teeth are matched through an inclined plane during fixing, so that a wobble wheel is rotated and a supporting bulge moves upwards to realize transmission of locking power; in order to avoid looseness of individual slitting circular knives, in the rotating process of the driving rod, first right-angle teeth and second right-angle teeth are matched through inclined faces, after individual slitting circular knives are locked, the rest of slitting circular knives are continuously locked through contraction of supporting springs, and it is ensured that each slitting circular knife is stably fixed.
Owner:SHANDONG JINSHENGYUAN ALUMINUM TECH CO LTD

Metal shearing machine tool and method of using the same

The present invention relates to the field of metal cutting, and more specifically, to a metal shearing machine and a method for using the same. A metal shearing machine comprises two groups of T-shaped seats, wherein the T-shaped seats are rotatably connected to a rotating shaft 1, a disc shear 1 is fixed to the end of the rotating shaft 1, a cylindrical table is provided on the outside of the disc shear 1, and a gantry is vertically slidably connected to the T-shaped seats, the upper part of the gantry is rotatably connected to a rotating shaft 2, a disc shear 2 is fixed to the end of the rotating shaft 2, and the disc shear 2 is located above the cylindrical table. The method of use comprises: S1: placing the metal sheet on the upper side of the beam, and adjusting the two hand-shift seats to contact the two edges of the metal sheet respectively; S2: making the two pressure wheels press on the front and rear edges of the metal sheet respectively; S3: pushing the two edges of the metal sheet into between the two groups of disc shears 1 and disc shears 2 respectively; S4: through the synchronous rotation of the disc shear 2 and the rubber wheel, the rubber wheel continuously drives the metal sheet to move.
Owner:WUHAN JIA CHUANG XIN ALUMINUM PROD CO LTD

Precise drilling and cutting system for four-layer half-hole plate

The invention relates to the technical field of four-layer half-hole plate machining equipment, in particular to a four-layer half-hole plate precise drilling and cutting system which comprises an operation table, a movable drilling adjusting structure is installed on the operation table, and an L-shaped support capable of moving left and right is installed on the rear side of the operation table. The drilling adjusting mechanism is mounted on the L-shaped support and comprises a mounting block located on the topmost portion, and a second hydraulic cylinder is fixedly connected to the bottom of the mounting block. According to the design, the drilling function and the cutting function are integrated, various machining operations are achieved through the operation table, and the working efficiency and the space utilization rate are improved. The drilling adjusting structure is installed on the L-shaped support capable of moving left and right, the drilling position can be flexibly adjusted, and the machining requirements of holes of different sizes and positions can be met. And the cutting groove and the cutting disc are arranged on the operation table, so that the four-layer half-hole plate can be accurately cut, and diversified machining requirements are met.
Owner:GANZHOU ZHONGSHENGLONG ELECTRONIC CO LTD

Steel slitting and rolling device convenient to replace and maintain

The utility model discloses a steel slitting and rolling device convenient to replace and maintain, which relates to the technical field of steel production and processing and comprises a fixing mechanism, a conveying mechanism for slitting is fixedly arranged at the upper end of the fixing mechanism, and one end of the conveying mechanism is in threaded connection with a slitting adjusting mechanism for adjusting the slitting position. The steel slitting and rolling device solves the problems that a slitting roller of an existing steel slitting and rolling device is not easy to detach, and the rolling width cannot be adjusted, the rotating rod and the rotating roller are movably sleeved through the sleeving block, the rotating rod and the rotating roller can be detached, cutters and the like can be replaced, the conveying mechanism and the slitting adjusting mechanism are arranged in a matched mode, and the rolling width can be adjusted. The two sets of rolling knife protection sleeves can synchronously move towards the two ends to adjust the cutting width, the steel can be cut twice at a time, the steel is cut and rolled into three sections, the width can be adjusted, and the device is suitable for rolling steel of different widths and high in practicability.
Owner:JIANGSU HUARUI METALLURGY & MINING ELECTRICAL MASCH CO LTD

Slitting machine with adjusting structure

The utility model relates to the technical field of steel product processing, and discloses a slitting machine with an adjusting structure, which comprises a base, the left side of the top end of the base is fixedly connected with a driving motor, the right end of the driving motor is connected with a driving shaft through a control assembly, and the control assembly is used for controlling the rotating speed of the driving shaft. A second belt pulley is fixedly connected to the outer wall of the driving shaft, two first fixing blocks are fixedly connected to the right side of the top end of the base, a feeding roller is rotationally connected to the inner walls of the first fixing blocks, and the left side of the outer wall of the feeding roller is connected with the driving shaft through a transmission assembly; the transmission assembly is used for transmitting power of the driving shaft to the feeding roller to drive the feeding roller to rotate. According to the slitting device, the twisting rod is manually rotated by a worker, so that the two sliding blocks on the two-way threaded rod can be promoted to move oppositely or oppositely, the rotating blocks are expanded or contracted to drive the connecting rods to slide in the sliding grooves, the distance between the annular blades is changed, the slitting width is controlled, and the application range of the device is widened.
Owner:TIANJIN TIEFENG STEEL TRADING CO LTD

Weld joint cutting and groove machining device and method for limited space

The invention provides a welding seam cutting and groove machining device and method for a limited space, and the welding seam cutting and groove machining device comprises a main rack, a locking mechanism, a cutterhead rotating mechanism, a cutterhead feeding mechanism and a cutterhead assembly which are sequentially and adjacently arranged in the first direction and form an integrated structure. The size of the formed integrated structure is smaller than the minimum section size of the limited space in the second direction; the first direction of the integrated structure is the axial direction corresponding to the length direction of the integrated structure, and the second direction of the integrated structure is the radial direction corresponding to the outer diameter size of the integrated structure. Infinite rotation of the cutting device is achieved through the power supply mode of the conducting ring, the accumulated error influence of the transmission distance is reduced, and through the modular design of the cutterhead assembly, the cutting tool is rapidly switched to conduct welding seam cutting and the back digging tool is rapidly switched to conduct groove machining; the problems of welding seam cutting and groove machining of a welding seam in a limited space are solved.
Owner:CHINA NUCLEAR POWER ENGINEERING COMPANY LTD

Shearing die and press-forming method

A shearing die for preventing damage of a die tool in shearing of a super-high-tension steel sheet and a press-forming method using the same. The shearing die for shearing a metal sheet in a direction intersecting a first-sheared edge of the metal sheet in press-working including a plurality of shearing processes to produce a formed article from the metal sheet by press-forming, in which the shearing die comprises a fitting part that can detach a shearing blade in the vicinity of a region coming in contact with an end of the first-sheared edge.
Owner:JFE STEEL CORP

Metal shearing machine tool and using method thereof

The invention relates to the field of metal cutting, in particular to a metal shearing machine tool and a using method thereof. A metal shearing machine tool comprises two sets of T-shaped seats, first rotating shafts are rotationally connected to the T-shaped seats, first circle shears are fixed to the ends of the first rotating shafts, cylindrical tables are arranged on the outer sides of the first circle shears, n-shaped frames are vertically connected to the T-shaped seats in a sliding mode, second rotating shafts are rotationally connected to the upper portions of the n-shaped frames, and second circle shears are fixed to the ends of the second rotating shafts. The second disc shear is located above the cylindrical table. The using method comprises the steps that S1, a metal sheet is put on the upper side of the cross beam, and the two hand moving seats are adjusted to make contact with the two edges of the metal sheet correspondingly; s2, the two pressing wheels are made to press the front edge and the rear edge of the metal skin correspondingly; s3, the two edges of the metal skin are pushed to enter the space between the first circle shear and the second circle shear; and S4, through synchronous rotation of the second disc shear and the rubber wheel, the rubber wheel continuously drives the metal skin to move.
Owner:WUHAN JIA CHUANG XIN ALUMINUM PROD CO LTD

Indexable piercing tip for demolition shears

An indexable piercing tip mounts to a nose portion of one of the jaws of a heavy-duty demolition shears so as to enclose and protect top, bottom, front, and two opposing side surfaces of the nose portion during use of the shears. The piercing tip has a first operative position in which a first set of piercing and shearing edges of the piercing tip are presented for use. When the first set gets dull or worn, the piercing tip can be rotated / indexed 180° degrees so as to present a second set of piercing and shearing edges of the piercing tip for use.
Owner:EPIROC INDUSTRIAL TOOLS & ATTACHMENTS LLC (FORMERLY KNOWN AS STANLEY INFRASTRUCTURE LLC)

Screw-cutting shear

A screw-cutting shear includes a shearing assembly including a shear base, a stationary blade, a shear lever, a moving blade, a reset spring, a cam, and a roller; and a driving assembly including an electric motor driving the cam to rotate and a speed reducer, a cam surface and a roller outer circular surface interacting to drive the shear lever to swing to drive the moving blade and the stationary blade to be fitted to shear off a screw, the cam surface and the roller outer circular surface being conical surfaces fitted with each other at an angle of X° so that when the cam is rotating, an axial force component is applied against the roller; under the action of the force, the shear lever moves axially along the bolt, so that the moving and stationary blades press against a sheared end face.
Owner:ZHEJIANG PRULDE ELECTRIC APPLIANCE CO LTD

Double-end rotary cutting equipment and rotary cutting method

The invention belongs to the technical field of cutting equipment, and discloses double-end rotary cutting equipment and a rotary cutting method.The double-end rotary cutting equipment comprises a rotary cutting module, the rotary cutting module comprises an inner cutting tool, and the two separated ends of the inner cutting tool are each provided with a spine part; the rotary cutting power assembly comprises a first rotary cutting driving part and a second rotary cutting driving part; the rotary-cut transmission assembly comprises a first cam, a second cam and a follow-up seat, the first cam is connected to an output shaft of the first rotary-cut driving part, the second cam is connected to an output shaft of the second rotary-cut driving part, and the internal cutting tool is installed on the follow-up seat; when the first rotary cutting driving piece drives the first cam to rotate, the follow-up seat is driven to move in the first direction. When the second rotary cutting driving piece drives the second cam to rotate, the follow-up seat is driven to move in the second direction, and the first direction is perpendicular to the second direction. According to the double-head rotary cutting equipment, the flexibility of a feeding path can be improved, wave deformation at a notch cannot be caused, and the cutting quality and precision are improved.
Owner:深圳市佳锐普科技有限公司

Threaded rod cutter

A threaded rod cutter includes a shear assembly and a drive assembly; the shear assembly includes a shear base, a stationary blade, a shear lever, a moving blade, a reset spring, a cam, and a roller; the drive assembly includes an electric motor for driving the cam and a speed reducer; a lower concave surface, an involute surface, and a circular fillet surface connecting the lower concave surface and the involute surface are arranged along a peripheral direction of the cam; when the roller engages the lower concave surface, the threaded rod cutter is in a ready-to-shear state; when the roller rotates past the lower concave surface to engage the involute surface, the involute surface drives the shear lever to swing so that the shear lever drives the moving blade to be fitted with the stationary blade to shear a threaded rod.
Owner:ZHEJIANG PRULDE ELECTRIC APPLIANCE CO LTD

Blade replacing device of plate shearing machine

The utility model discloses a blade replacement device of a plate shearing machine, relates to the technical field of blade replacement of the plate shearing machine, and solves the technical problems that a rotating shaft is not provided with a limiting device for limiting the rotating shaft at present, so that the blade is easy to loosen during operation, the connectivity of a clamping column and upper and lower blades is influenced, and the plate shearing effect is further influenced. Comprising a base, supporting plates are fixedly installed at the four corners of the top end of the base through racks, electric push rods are fixedly installed in the middles of the top ends of the supporting plates, and fixing bases are fixedly installed at the telescopic ends of the electric push rods and the middle of the top end of the base; the plate shearing device has the advantages that the blade body can be conveniently and rapidly detached or replaced, use and operation are more convenient and faster, in addition, through the first rack and the rack plate which are meshed with each other, the transverse rod and the strip-shaped limiting rod can be limited and locked, the situation that the blade is loosened during operation is avoided, and the plate shearing effect is guaranteed.
Owner:NANTONG JINSHAN SHELF CO LTD

Aluminum laminated film splitting machine

The utility model relates to an aluminized film splitting machine which comprises a knife rest, the outer circumferential wall of the knife rest is connected with a splitting knife through a sliding piece, the splitting knife is hollow, the inner circumferential wall of the splitting knife is communicated with two communicating blocks, the end portions of the communicating blocks are arranged in a closing-in shape, and the inner end portions of the communicating blocks are fixedly connected with reset springs. The utility model relates to the technical field of aluminum laminated film slitting. When the aluminum laminated film splitting machine is used, the splitting cutter can be moved through the sliding part, and the splitting cutter can be communicated with the arranged cutter rest by matching with the arranged communicating part, so that a water pump can convey cooling liquid into the splitting cutter, and the splitting cutter can work in a constant-temperature state; and therefore, the distance between the slitting knives can be adjusted, and meanwhile, the situation that volatilization of organic components in an aluminum laminated film is accelerated due to temperature rise caused by friction of the slitting knives, so that the surrounding environment is affected, and damage to workers is caused is avoided.
Owner:SHANGHAI HERO CHAMPION COATING TECH

Slitting tool and slitting device

The utility model relates to a slitting tool and a slitting device. The slitting tool comprises a first cutter assembly and a second cutter assembly, the first cutter assembly comprises a first cutter shaft, a first adjusting spacer bush, a second adjusting spacer bush and a first cutter, the first adjusting spacer bush and the second adjusting spacer bush are sequentially arranged in the axial direction of the first cutter shaft and abut against each other, and the first adjusting spacer bush and the second adjusting spacer bush abut against each other through two spiral faces which are opposite in rotation direction and can be attached to each other; the second cutter assembly comprises a second cutter; the second adjusting spacer bush can rotate relative to the first adjusting spacer bush, and drives the first cutter to move in the axial direction of the first cutter shaft under the action of the first adjusting spacer bush so as to adjust the axial distance between the first cutter and the second cutter. The slitting tool and the slitting device have the advantage of being easy to operate.
Owner:WUXI LEAD INTELLIGENT EQUIP CO LTD

An explosion-proof resin cutting disc that is easy to install

The utility model relates to the technical field of resin cutting blades, and discloses an explosion-proof resin cutting blade that is easy to install, comprising an explosion-proof resin cutting blade body, the outer surface of the explosion-proof resin cutting blade body is provided with a groove, the left surface of the explosion-proof resin cutting blade body is provided with a heat dissipation hole, and a mounting mechanism, the mounting mechanism is arranged on the explosion-proof resin cutting blade body, the mounting mechanism is used for fast disassembly and assembly of the explosion-proof resin cutting blade body, the mounting mechanism comprises a hollow column, the hollow column fixed sleeve is arranged on the inner surface of the explosion-proof resin cutting blade body, the outer surface of the hollow column is provided with a slide groove, the explosion-proof resin cutting blade that is easy to install is fixed by driving two annular clamping plates to clamp the output shaft of the driving machine, compared with the traditional explosion-proof resin cutting blade that is fixed by a bolt structure, this method does not need to use additional tools to tighten the bolts, and is simple to operate, fast in disassembly and assembly, and more convenient.
Owner:HENANSHENG YONGMO TECH CO LTD

A high-strength cold shear blade

ActiveCN222696136UShearing tools
The utility model discloses a high-strength cold shear blade, comprising an inner T-shaped mounting frame, a sliding hole is provided on the upper surface of the inner T-shaped mounting frame, a T-shaped sliding rod is slidably connected to the inner wall of the sliding hole, a telescopic spring is sleeved on the outer surface of the T-shaped sliding rod, a temporary storage opening is provided on the inner top wall of the inner T-shaped mounting frame, a T-shaped fixing frame is provided in front of the inner T-shaped mounting frame, and a cold shear blade body is fixedly connected to the bottom surface of the T-shaped fixing frame. The device is provided with a sliding hole, a T-shaped sliding rod, a telescopic spring and a limit plate, and the limit plate can be conveniently pulled up and down by the sliding connection between the T-shaped sliding rod and the sliding hole and the rebound force of the telescopic spring, and the limit plate is matched with the temporary storage opening and the limit groove, so that the T-shaped fixing frame and the cold shear blade body can be conveniently and quickly installed and disassembled. According to the above operation, the cold shear blade body can be conveniently replaced, avoiding the situation that the screws are rusted and inconvenient to disassemble.
Owner:NANJING BAOYUE METALLURGICAL EQUIP CO LTD

Explosion-proof resin cutting blade with high heat dissipation

The utility model discloses a high-heat-dissipation explosion-proof resin cutting blade, and relates to the technical field of resin cutting blades. The high-heat-dissipation anti-explosion resin cutting blade comprises a cutting blade body, the cutting blade body is formed by compounding two blade bodies, and a shaft hole is formed in the cutting blade body; a shaft sleeve is fixedly connected into the shaft hole; a cavity is formed in the cutting blade, and a heat dissipation assembly for improving the heat dissipation efficiency of the cutting blade is arranged in the cavity; polishing assemblies used for polishing the workpiece are arranged on the two sides of the cutting blade. According to the explosion-proof resin cutting blade with the high heat dissipation performance, through the arrangement of the metal heat conduction disc, when the cutting blade works, heat generated by friction between the cutting blade and the outside world is rapidly absorbed by the metal heat conduction disc and transmitted to the heat conduction column, and therefore the heat conduction column makes contact with outside air, and rapid heat dissipation of the cutting blade is achieved; the phenomena of melting and breakage caused by continuous high temperature are avoided, so that the toughness is not influenced, and the normal cutting of an object is ensured.
Owner:HENANSHENG YONGMO TECH CO LTD

Cutting knife, machining equipment and machine tool

The invention relates to the technical field of cutting knives, and discloses a cutting knife, machining equipment and a machine tool, the cutting knife is characterized in that a blade body is in a cross section perpendicular to an axis, two front knife faces and two rear knife faces form a centrosymmetric quadrangle, adjacent front knife faces and rear knife faces form cutting blades, and the cutting blades are in the quadrangle and on the same side of the axis; an included angle alpha is formed between the rear tool face and the machining reference face of the rear tool face, the included angle alpha is larger than or equal to 0.5 degree and smaller than or equal to 20 degrees, and the blade body is provided with two machining reference faces which are symmetrically located on the two sides of the axis of the blade body and parallel to the axis. By means of the structure, the cutter does not need to machine a roll angle in the machining process, the one-way cutting edge is tightly attached to the machining cambered surface, and therefore residues on the machined surface are reduced, the machining quality is improved, and high-precision machining is achieved.
Owner:CONPROFE TECH GRP CO LTD +3

Plate shearing mechanism for plate shearing machine

The plate shearing mechanism for the plate shearing machine comprises a supporting frame, an upper blade and a lower blade, and the ends, away from cutting edges, of the upper blade and the lower blade are connected with a first fixing block and a second fixing block respectively. Cavities are formed in the fixed block I and the fixed block II; a clamping block is connected in the cavity; connecting grooves matched with the clamping blocks are formed in the two ends of the upper blade and the two ends of the lower blade. The connecting grooves are formed in the two ends of the blade, the motor drives the lead screw to rotate, the upper ends of the clamping blocks move into the connecting grooves to fix the blade, only the motor needs to be started to enable the clamping blocks to move towards the outer side during replacement, the blade dismounting and mounting process is simple and convenient, and the blade is convenient to replace.
Owner:SHINITE MASCH CO LTD

Machining production line for license plate substrates

The processing production line comprises a cylinder hanging mechanism, the cylinder hanging mechanism comprises a first table body, and a cylinder hanging rod controlled by a driving mechanism is arranged in the first table body; the machining production line further comprises a rolling and edge cutting mechanism arranged at the discharging end of the barrel hanging mechanism. The rolling and edge cutting mechanism comprises a second table body, a blade adjusting mechanism and a plurality of pairs of pressing rollers arranged up and down are arranged on the second table body, and a cutting blade is installed at the adjusting end of the blade adjusting mechanism. The stamping mechanism is arranged at the discharging end of the rolling and edge cutting mechanism; the stamping mechanism comprises a stamping machine body, and a machining die is arranged at the stamping end of the stamping machine body. And the conveying mechanism is arranged at the discharging end of the stamping mechanism. Full-automatic license plate base plate production is achieved, manpower input is reduced, and production efficiency and product quality are improved.
Owner:WEIFANG CHANGWEI TRAFFIC ENG CO LTD

Pipe cutting device

A pipe cutting device includes a cutting element, a counter-holder, and a C-shaped working head. The counter-holder is formed by the working head and the cutting element protrudes into a C-opening. The working head merges into a foot part and the cutting element is accommodated in a displacement part. The displacement part is movably arranged with the cutting element in an offset part and / or the counter-holder has rollers, and each two rollers are mounted in pairs on a rocker part. A further pipe cutting device has an offset part and a counter-holder which are formed on a C-shaped working head. The working head merges into a foot part which can also be used as a handle area, and the offset part can be offset relative to the foot part in order to change an opening width of the working head. In addition, the offset part has a cutting element.
Owner:KNIPEX WERK C GUSTAV PUTSCH KG

Cutting device and slitting machine

The utility model discloses a cutting device and a slitting machine, and belongs to the technical field of steel belt processing, the cutting device comprises a mounting bracket, a tool apron, a fixed blade, a movable blade, an adjusting assembly and a driving mechanism, the mounting bracket is used for supporting the tool apron; a section of mounting cavity is formed in the tool apron, the tool apron is connected with the driving mechanism, the driving mechanism is used for driving the tool apron to rotate, the fixed blades are arranged on the outer wall of the tool apron in the axial direction, mounting grooves are formed between the adjacent fixed blades, the mounting grooves communicate with the mounting cavity, movable blades are movably arranged in the mounting grooves, and adjusting assemblies are arranged in the mounting cavity; the adjusting assembly is slidably connected with the bottom end of the movable blade and used for adjusting the distance, exposed out of the mounting groove, of the top end of the movable blade. The cutting and slitting width of the steel belt can be conveniently adjusted.
Owner:HUNAN JINCI NEW MATERIAL TECH CO LTD +1

Automatic cutting treatment device for silicon steel coiled material for transformer processing

The invention relates to the technical field of silicon steel coil cutting devices, and particularly discloses an automatic silicon steel coil cutting treatment device for transformer machining, which comprises a working plate, a frame is fixedly mounted at the position, close to the middle, of the upper end face of the working plate, a first sliding block is slidably arranged on the inner side of the frame, and a first adjusting rod is arranged on the inner side of the first sliding block; tensioning rotating shafts in a symmetrical state are arranged on the outer sides of the first adjusting rods, the outer circumferential surfaces of the tensioning rotating shafts are covered with nanoscale elastic wear-resistant coatings, pressure sensors are embedded in the tensioning rotating shafts, the pressure sensors are electrically connected with an external controller, and the coiled material tensioning pressure can be fed back in real time and automatically adjusted; the pressure sensor is embedded in the tensioning rotating shaft, the tensioning pressure of the coiled material is fed back in real time, the servo control of the third motor and the fourth motor is combined, the dynamic adjustment of the tensioning pressure is realized, and the coiled material is effectively prevented from being wrinkled and deviated. And meanwhile, the nanoscale elastic wear-resistant coating on the surface of the tensioning rotating shaft can reduce frictional wear, and the surface of the coiled material is prevented from being scratched.
Owner:SHANGHAI JIOU ELECTRIC POWER TECH CO LTD

Blade replacing assembly for plate cutting machine

The utility model relates to the technical field of blade replacement, and discloses a blade replacement assembly for a plate cutting machine, which is characterized in that safe work is realized by arranging a dismounting rod, a working shaft, a dismounting rod and the like, when the dismounting rod rotates to a certain angle, an arc groove is driven to slide for a certain distance, and the arc groove drives a connecting rod to completely push a sliding groove downwards; the top wall of the rectangular groove completely compresses the spring, the sliding block is completely hidden in the sliding groove, then the blade can slide towards one end of the working shaft, the blade is detached, the blade is pressed towards the direction of the working shaft, the screw rod is limited by a disc or a round groove thread and cannot rotate, and the driving rod can move towards the interior of the through groove. And the teeth and the tooth grooves are separated from each other, so that the effect of protecting safety is achieved.
Owner:HENAN DONGMA HOME FURNISHING CO LTD

Pipe cutter

A pipecutter includes a housing, a motor, a rotating assembly, and a first drive assembly. The rotating assembly includes a first bracket assembly, a second bracket assembly, and a locking assembly, where the locking assembly is configured to lock or unlock a pipe and the pipecutter. The first drive assembly is driven by the motor to drive the rotating assembly to rotate. The locking assembly includes a rocker arm; when the rocker arm is at a first position, the locking assembly is in an unlocking state; and when the rocker arm is at a second position, the locking assembly is in a locking state. The pipecutter further includes a second drive assembly, the second drive assembly includes a first pushing member which is able to push the rocker arm to move from the first position to the second position.
Owner:NANJING CHERVON IND

Steel material, auto part, shearing apparatus and method of production of steel material

A steel material reduced in tensile residual stress at a sheared edge, in particular a fractured surface, is disclosed. The steel material of the present disclosure has a sheared edge, the sheared edge has a rollover, a fractured surface, and a burr, the fractured surface includes a first part and a second part, the first part is formed by a first crack propagating from the rollover side to the burr side, the second part is formed by a second crack propagating from the burr side to the rollover side, and an area ratio of the first part in the fractured surface is greater than an area ratio of the second part in the fractured surface.
Owner:NIPPON STEEL CORPORATION

Cutting knife, machining equipment and machine tool

The utility model relates to the technical field of cutting knives, and discloses a cutting knife, processing equipment and a machine tool, the cutting knife is characterized in that a blade body is arranged in a cross section perpendicular to an axis, two front knife faces and two rear knife faces form a centrosymmetric quadrangle, adjacent front knife faces and rear knife faces form cutting blades, and the cutting blades are arranged in the quadrangle and on the same side of the axis; an included angle alpha is formed between the rear tool face and the machining reference face of the rear tool face, the included angle alpha is larger than or equal to 0.5 degree and smaller than or equal to 20 degrees, and the blade body is provided with two machining reference faces which are symmetrically located on the two sides of the axis of the blade body and parallel to the axis. By means of the structure, the cutter does not need to machine a roll angle in the machining process, the one-way cutting edge is tightly attached to the machining arc face, residues on the machined face are reduced, machining quality is improved, and high-precision machining is achieved.
Owner:CONPROFE TECH GRP CO LTD +3

An ultra-thin strip slitting machine

The present invention relates to the technical field of slitting machines, and discloses an ultra-thin strip steel slitting machine, which includes a device body and two main shafts connected to the device body. Two symmetrically arranged fixing plates are fixedly connected to the surface of the device body. Two vertically symmetrically placed shearing components are connected between the two fixing plates. Each shearing component includes a connecting rod and a cutter head unit. Both ends of each connecting rod are respectively connected to the two fixing plates. A plurality of cutter head units are equidistantly connected to the outer wall of each connecting rod. The cutter head unit includes a connecting plate, a rotating shaft, a blade, a driving wheel, a conveyor belt and a driven wheel. For this ultra-thin strip steel slitting machine, through the mutual cooperation of the shearing component and the cutter head unit, independent driving of the blade is realized, the damaged blade can be quickly replaced without disassembling the remaining blades, the maintenance difficulty is reduced, the downtime is reduced, and the maintenance efficiency is significantly improved.
Owner:SHANDONG MAIGANLE RENEWABLE RESOURCES UTILIZATION CO LTD