772results about "Shearing tools" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The utility model discloses a stainless steel coiled plate slitting device, and particularly relates to the field of stainless steel coiled plates, the stainless steel coiled plate slitting device comprises a workbench, the top end of the workbench is provided with a slitting mechanism, the slitting mechanism comprises a support, a limiting rod, a slitting blade, a groove, a sliding rail, a first electric push rod, a sliding plate, a sliding groove and a sliding rod, stainless steel coiled materials are slit through the slitting knife, the slitting blades are controlled to move and adjust the distance between the slitting blades through the first electric push rod, the sliding plate, the sliding rail, the sliding rod, the sliding groove, the limiting plate, the fixing rod, the limiting block and the limiting rod, the cutting blades are controlled to move up and down through the driving motor, the rotating disc and the connecting rod, and the stainless steel coiled materials are cut. And meanwhile, the distance between the slitting blades can be adjusted according to the width needed in the longitudinal cutting process, and the size of the stainless steel coiled material needing to be cut can be rapidly adjusted.

The invention discloses a disc shear blade spacing control method which comprises the following steps: S1, monitoring sound wave signals generated in a shearing process in real time, collecting sound frequency and intensity information generated when shear blades are in contact with a material through the sound wave signals, and indirectly speculating the actual spacing of the shear blades; s2, collecting historical data of the shear blade in different working states, and constructing a deep learning model; s3, a control system is introduced and used for monitoring the distance between the shear blades and adjusting working parameters in real time, and the distance between the shear blades is dynamically adjusted; s4, enabling the control system to have a self-learning function, and performing dynamic adjustment according to a new working environment and a shear blade state so as to cope with changes under different working conditions; and S5, carrying out a performance verification experiment, and testing the feedback accuracy of the acoustic sensor, the prediction precision of the deep learning model and the response speed of the feedback control system. The shearing efficiency, precision and equipment stability can be improved, and abrasion and energy consumption are reduced.

The utility model relates to the technical field of dividing and cutting machines, and discloses a cutter rest structure of a dividing and cutting machine, which comprises two dividing and cutting shafts, the left side and the right side of each dividing and cutting shaft are respectively connected with a check block in a sliding manner, a fixing component is arranged in each check block and is used for fixing the check block, the periphery of each dividing and cutting shaft is fixedly connected with a plurality of cutters which are uniformly distributed, and the cutters are arranged on the left side and the right side of each dividing and cutting shaft. Fixing frames are slidably connected to the left side and the right side of the slitting shaft correspondingly, connecting plates are fixedly connected to the opposite sides of every two adjacent fixing frames, and a plurality of evenly-distributed threaded rods are slidably connected to the interiors of the fixing frames. According to the slitting device, after the rotating disc is rotated to remove fixation of the threaded rod, the threaded rod can be moved to provide space for the rotating plate, the rotating plate can be rotated to remove limitation of the threaded rod by pressing the moving rod, then the pull ring is pulled to pull out the threaded rod to remove fixation of the fixing frame, and the fixing frame and the slitting shaft can be conveniently and rapidly disassembled during maintenance; different cutter sets can be installed on the two fixing frames so as to meet different machining requirements.

The utility model relates to a cutting device and battery manufacturing equipment, and belongs to the technical field of battery manufacturing. The utility model provides a cutting device. The cutting device comprises a pair of cutters; the driving mechanism is configured to drive the pair of cutters to be mutually closed or opened in the first direction; the gap adjusting mechanism is configured to drive at least one of the pair of cutters to move in the second direction before the driving mechanism drives the pair of cutters to be opened, so that the movement gap between the pair of cutters is increased; wherein the first direction intersects with the second direction. The cutting device is provided with the gap adjusting mechanism, the abrasion degree of the cutting device can be reduced, and the service life of the cutting device is prolonged.

The invention relates to an apparatus (1) for manipulating, such as machining and especially cutting, tubular and round- bar type workpieces, which apparatus comprises at least one cutting blade (3) rotatable around the workpiece and a motor (5) for rotating the at least one cutting blade around the workpiece, wherein the at least one cutting blade (3) is connected to a circular guide (2), which circular guide is openable for insertion of the workpiece inside the guide and closable for the manipulation process of the workpiece.

The utility model relates to the technical field of strip steel production auxiliary equipment, and discloses a crosscutting shear device convenient to replace shear blades, which comprises a crosscutting shear device main body and a conveying roller group, a replacement component is arranged on the side wall of the crosscutting shear device main body, and a hydraulic push rod is fixedly connected to the top of the crosscutting shear device main body. A conveying rod of the hydraulic push rod is fixedly connected with a fixing frame, the interior of the fixing frame is movably connected with an upper tool apron, the interior of the upper tool apron is fixedly connected with an upper shear blade, the conveying rod of the hydraulic push rod is fixedly connected with a connecting piece, and the replacement assembly comprises a supporting frame fixedly connected to the side wall of the transverse shear device body. The top of the supporting frame is fixedly connected with a first motor. According to the crosscutting shear device with the shear blades convenient to replace, a huge shear blade replacing trolley of an original mechanism is thoroughly abandoned, alignment is not needed when the tool apron is replaced, and the tool apron can be pushed into the crosscutting shear frame at a time and locked.

A cutting blade (10) is provided with: a plate-shaped base material (20); a coarse-grain film (31) comprising particles having an average particle diameter of 0.5 [mu] m or more; and a fine particle film (32) comprising particles having an average particle diameter of less than 0.5 [mu] m. Furthermore, the base material (20) has a cutting edge (21) and a cutting edge part (22), the cutting edge (21) is at least a part of the outer edge, and the thickness of the cutting edge part (22) becomes smaller when the cutting edge part (22) is closer to the cutting edge (21). The coarse grain film (31) covers the surface of the cutting blade part (22) and the blade tip (21), and the fine grain film (32) covers the surface of the coarse grain film (31) on the blade tip (21).

Disclosed is a threaded rod cutter, which relates to shearing equipment. The 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. By changing the position on the cam where the ready-to-shear roller is engaged, a problem of existing threaded rod cutters which easily cause damages to the electric motor due to excessively large sudden flow of current upon energization is solved.

A shearing machine capable of automatically adjusting a cutter comprises a shearing machine body and at least one cutter adjusting assembly, each cutter adjusting assembly comprises two mounting plates, a main guide rod, a driving block, a linear servo motor, a driven guide rod, a driven block and two springs, an upper inclined face is arranged on each driving block, and a lower inclined face is arranged on each driven block. The driven block is provided with a lower inclined plane, and the included angle between the upper inclined plane and the horizontal plane is the same as the included angle between the lower inclined plane and the horizontal plane. According to the shearing machine with the blade gap automatic positioning function, automatic blade adjustment is achieved by arranging the blade adjustment assembly, in the process that the driving block is controlled to move, the upper inclined face abuts against the lower inclined face, the driven block and the driving block move synchronously, the two springs are extruded and stretched correspondingly, and the blade gap is automatically positioned. And the upper blade is fixedly arranged at one end of the driven block, so that the upper blade is kept stable after tool setting and tool setting are completed.

The utility model discloses a trimming mechanism of a high-speed slitting machine for high-precision steel belt machining. The trimming mechanism comprises a connecting column, the outer adjusting sliding disc is arranged on the outer side of the connecting column in a sliding mode; the edge trimming device has the advantages that the adjusting sliding block, the limiting clamping block and the installation clamping grooves are arranged, the adjusting sliding block is adjusted in the outer adjusting sliding disc in a limiting and sliding mode, limiting is conducted through the limiting clamping block at the top of the adjusting sliding block and the installation clamping grooves in the outer side of the connecting column, and the edge trimming cutter is arranged on the outer side of the outer adjusting sliding disc. The positions, on the outer side of the connecting column, of the outer adjusting sliding disc and the trimming cutters are limited and fixed, the multiple mounting clamping grooves formed at equal intervals meet the requirement for the proper distance between the trimming cutters, the mounting clamping grooves are formed according to the width of a steel belt needing to be trimmed, and the trimming cutters can be trimmed through limiting and fixing between the adjusting sliding blocks and the mounting clamping grooves; and the outer adjusting sliding disc and the trimming cutter are adjusted, and the steel belt machining requirement is met.

The utility model discloses a cutting device for building structure engineering construction, which relates to the technical field of building engineering cutting devices and comprises a mounting frame, a positioning component, a transverse adjusting component, a vertical adjusting component and a cutting component. Supporting frames are arranged on the two sides of the top end of the mounting frame respectively, the two ends of the transverse adjusting assembly are arranged on the supporting frames respectively, the vertical adjusting assembly is arranged on the transverse adjusting assembly, a moving plate is arranged on the transverse adjusting assembly, and the cutting assembly is arranged on the moving plate. Through the design of the positioning assembly, the transverse adjusting assembly and the vertical adjusting assembly, accurate positioning and adjusting of equipment in the cutting process can be guaranteed, the cutting precision and stability are improved, and errors are reduced. And due to application of the electric push rod and the driving motor, adjustment of the cutting device is more automatic, the complexity of manual operation is reduced, and the working efficiency is improved.

The utility model relates to the field of cutting equipment, in particular to a photovoltaic double-glass assembly welding strip cutting machine which comprises a fixed base, a photovoltaic double-glass assembly welding strip coil, an installation column, a smoothing assembly and a cutting assembly. The photovoltaic double-glass assembly welding strip coil is arranged on the fixed base; the mounting column is arranged on the fixed base; the smoothing assembly is arranged on the mounting column and is in contact with the photovoltaic double-glass assembly solder strip coil; the cutting assembly is arranged on the mounting column and located above the photovoltaic double-glass assembly welding strip coil. The cutting assembly comprises a cutting mechanism used for cutting the photovoltaic double-glass assembly welding strip coil and a convenient-to-disassemble mechanism used for rapidly replacing the cutting mechanism. According to the welding strip cutting device, wrinkles or warpage generated in the welding strip cutting process can be effectively eliminated, and therefore the welding strip cutting effect is improved; according to the cutting knife convenient to replace, the dismounting and mounting processes of the cutting knife can be greatly simplified, the downtime is shortened, and therefore the overall production efficiency of equipment is improved.

The utility model provides a novel steel plate shearing machine which comprises a machine body and a shearing unit. The shearing unit comprises a cutter movably arranged on the machine body and a driving piece arranged on the machine body and used for driving the cutter to move up and down in a reciprocating mode. The limiting unit comprises a fixed seat fixedly arranged on one side of the machine body and a movable seat which is arranged on the machine body through an adjusting device and is far away from one end side of the fixed seat, at least two groups of limiting wheels are rotationally arranged on each of the fixed seat and the movable seat, and the movable seat is driven by the adjusting device to be far away from or close to the fixed seat on the machine body; the multiple sets of limiting wheels abut against the two side edges of the to-be-sheared steel plate correspondingly. Under the arrangement of the limiting unit, multiple sets of limiting wheels are arranged on the two sides of the machine body to limit a steel plate fed into a cutter, the multiple sets of limiting wheels abut against the two sides of the steel plate correspondingly, the limiting wheels rotate during feeding, the situation that the steel plate abutting against the limiting wheels is blocked and consequently influences are caused is avoided, and meanwhile the situation that the steel plate inclines in the moving process is avoided; and the sheared end of the steel plate is smooth.