273results about "Shearing tools" patented technology

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 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.

In a running cutting machine equipped with a set of drums, each having a helical blade, the objective is to suppress cutting defects at the start of cutting. [Solution] The running cutting machine (1) has a pair of drums (11, 31) that are arranged opposite each other and can rotate around their respective rotation axes (C1, C2), The system comprises at least one pair of helical blades (21, 41) provided on the outer circumference of each of a pair of drums (11, 31), each having an elliptical arc-shaped cutting edge. At least in the axial direction of each rotation axis (C1, C2), With respect to a reference plane (L1) passing through the respective rotation axes (C1, C2) of a pair of drums (11, 31), the cutting surfaces of a pair of helical blades (21, 41) are offset towards the entry side of the object to be cut, and the cutting surfaces of one and the other are configured to be parallel.

The invention relates to the technical field of metal processing machinery, in particular to a numerical control gantry cut-off machine capable of changing the cutting angle, which comprises a main oil cylinder and an auxiliary oil cylinder which are mounted in the middle of a rack, and a tandem oil way is arranged between the main oil cylinder and the auxiliary oil cylinder; an upper tool rest is installed in the middle of the rack, two sets of connecting bases are fixedly installed at the upper end of the upper tool rest, and ball heads matched with the connecting bases are installed at the output ends of the main oil cylinder and the auxiliary oil cylinder; a main oil cylinder upper cavity and a main oil cylinder lower cavity are formed in the main oil cylinder, and an auxiliary oil cylinder upper cavity and an auxiliary oil cylinder lower cavity are formed in the auxiliary oil cylinder. According to the numerical control gantry cut-off machine capable of changing the shearing angle, the problems that when the shearing angle of an existing cut-off machine is fixed in the using process, when a shearing material is subjected to unbalance loading, a tool rest can be clamped by a guide rail, and when a thin material is sheared, the angle cannot be adjusted, so that the shearing stroke is lengthened, the shearing speed cannot be increased, and the shearing efficiency is reduced can be solved.

The invention discloses a spinning forming device for a battery pole column, and relates to the technical field of spinning forming. The problem of process integration is solved. The device specifically comprises a conveying part used for conveying metal bars and a spinning part used for integrally cutting and spinning the metal bars, a high-frequency heating part used for heating the bars is arranged at a feeding port of the spinning part, and the spinning part is composed of two symmetrically-arranged supporting frames and three spinning rollers arranged in a triangular shape. The three spinning rollers are slidably connected to the inner wall of the supporting frame in the radial direction, and a cutter is arranged on the outer wall, located on the metal bar feeding side, of one spinning roller. By arranging the conveying part, the high-frequency heating part and the spinning part, conveying, heating, cutting and spinning of a metal bar are integrated, transfer is not needed, the whole machining efficiency is improved, meanwhile, due to the fact that the heating procedure is adjacent to the cutting and spinning procedure, heat loss can be avoided, and a certain energy-saving effect is achieved.

The application belongs to the technical field of mechanical equipment, and particularly relates to a driving device and a control method of a sliding cutter holder of a bar cutting machine, wherein the driving device comprises a machine head holder, a cutter holder oil cylinder, a reset oil cylinder and a sliding cutter holder sliding on the machine head holder, the cutter holder oil cylinder and the reset oil cylinder are arranged on the machine head holder, the cutter holder oil cylinder and the reset oil cylinder are single-acting oil cylinders, the cutter holder oil cylinder and the reset oil cylinder directly or indirectly act on the sliding cutter holder to realize the reciprocating movement of the sliding cutter holder, the cutter holder oil cylinder and the reset oil cylinder of the application are single-acting oil cylinders, only the advance is considered, that is, when the telescopic rod of the cutter holder oil cylinder is extended to drive the sliding cutter holder to move, the telescopic rod of the reset oil cylinder is also retracted, vice versa, that is, when the telescopic rod of the reset oil cylinder is extended to drive the sliding cutter holder to move, the telescopic rod of the cutter holder oil cylinder is also retracted, the oil consumption in single action is reduced, the action speed of the oil cylinder is fast, the shearing times are increased, the cost is effectively reduced, and the work efficiency is improved.

The application provides a trimming shear control method, device, medium and equipment. The method comprises the following steps: determining the trimming amount of the current strip steel according to the actual width of the current strip steel and the actual width of the previous strip steel; obtaining the shape of the weld side edge of the current strip steel and the previous strip steel; judging whether the current strip steel meets the preset trimming shear online adjustment strategy based on the shape of the weld side edge, the trimming amount of the current strip steel and the actual thickness of the current strip steel; if yes, determining the feed amount of the trimming shear to be adjusted when the trimming shear online adjustment strategy is triggered. In this way, for each current strip steel, if it is determined that the preset trimming shear online adjustment strategy is met, the feed amount of the trimming shear can be directly adjusted without stopping the machine, the production rhythm is not affected, and the production efficiency is improved.

A method of swarflessly cutting a pipe comprises the steps of forming a notch (10, fig. 6) in an external surface of a front portion of a wall of the pipe and inserting a pointed blade 51, point first

The utility model discloses an adjustable automobile chassis upper control arm trimming tool which comprises a working table, the upper end of the working table is fixedly connected with a supporting frame, a rotating disc is arranged in the supporting frame, the lower end of the rotating disc is rotationally connected to the upper end of the working table, and the lower end of the working table is provided with a driving assembly for driving the rotating disc to rotate. A rotating disc is arranged on the supporting frame, a chassis part is placed at the upper end of the rotating disc, two clamping assemblies used for clamping the chassis part are arranged at the upper end of the rotating disc, the two clamping assemblies are located on the left side and the right side of the chassis part respectively, a rectangular groove is formed in the inner top of the supporting frame, and an edge cutting assembly is installed in the rectangular groove. According to the four-edge cutting device, automatic adaptive cutting of chassis with different widths and one-time accurate edge cutting of four edges are achieved, and the machining efficiency and the operation convenience are remarkably improved.

The utility model provides a high-strength film blade with a replaceable tool bit, and belongs to the field of blades. The utility model relates to a film blade, in particular to a film blade which solves the problems that an existing film blade easily generates a large amount of heat during cutting, a blade head on the film blade and a blade body may deform or break under the conditions of high temperature and high pressure, a traditional blade is integrated, the whole blade needs to be replaced after being damaged, and materials are wasted. The center of the blade main body is provided with a penetrating type mounting hole, the blade main body comprises an upper blade layer, a middle blade layer and a lower blade layer which are overlapped with one another, a mounting part capable of extending to the bottom of a fixing groove from a positioning groove is arranged below the tool bit, and a mounting column is also arranged below the mounting part.

The utility model discloses a PCM color-coated steel plate integrated slitting device, and relates to the technical field of color-coated steel plate processing equipment, the PCM color-coated steel plate integrated slitting device comprises a processing table, a through groove is formed in the processing table, a mounting box is fixedly mounted at the bottom of the processing table and located below the through groove, a motor is fixedly mounted on one side of the mounting box, and the motor is fixedly connected with the through groove. The output end of the motor extends into the mounting box and is fixedly provided with a mounting shaft, the outer side of the mounting shaft is provided with a plurality of cutting discs, the bottom of the mounting box is fixedly provided with a water tank, the top of the water tank is fixedly provided with a water pump, one side of the mounting box is internally provided with a spraying plate, and the output end of the water pump is fixedly provided with a connecting pipe; the steel plate cutting device has the beneficial effects that through the arrangement of the mounting box, the water tank, the water pump, the spraying plate, the connecting pipe, the collecting box and the filter screen, the cutting disc can be cooled in the steel plate cutting process, the situation that the overall temperature of the cutting disc rises and influences the cutting efficiency is avoided, and the cutting disc can be prevented from being damaged.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body assembly, at least a portion of which has a first friction region on its outer peripheral wall; and a fixing assembly, within which the tool body assembly is disposed, and a braking mechanism is installed. The braking mechanism includes a friction element, and is adapted to switch between a first trigger state and a second trigger state. The friction element has a second friction region. In the first trigger state, the friction element is driven to contact the second friction region with the first friction region to brake the tool body assembly; in the second trigger state, the friction element is driven to space the second friction region from the first friction region to form a gap to unlock the tool body assembly. By utilizing the frictional force between the first and second friction regions to brake the tool body assembly and the fixing assembly, and by employing non-rigid contact between the braking mechanism and the tool body assembly, the wear rate of the braking mechanism can be reduced.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body and a connecting sleeve. The tool body has a second end and a first end arranged opposite to each other in a front-rear direction. The first end is adapted to be connected and fitted with a spindle, and the second end has a mounting cavity for accommodating a transducer. A wireless receiving unit is provided on the outer periphery of the tool body. The connecting sleeve is connected to the second end and arranged coaxially with the tool body. An outer shell is fitted onto the outer periphery of the connecting sleeve through a bearing, wherein the inner diameter of the bearing is less than or equal to the outer diameter of the second end. Therefore, by placing the bearing between the connecting sleeve and the outer shell, the bearing does not occupy the outer periphery space of the tool body, which reduces the axial dimension of the tool body, thereby improving the rigidity of the tool body and reducing the overall axial dimension of the ultrasonic tool holder. It also increases the structural dimensions of the transducer and reduces the radial dimension of the bearing, thereby improving ultrasonic machining performance.

The utility model discloses a cutting device for pipeline processing, which relates to the technical field of pipeline cutting appliances, and comprises a base, four ends of the top surface of the base are fixedly connected with first support rods, the top ends of the four first support rods are fixedly connected with a protective shell, a first cavity and a second cavity are arranged in the protective shell, and an isolation plate is arranged between the first cavity and the second cavity. A hole is formed in the isolation plate in a penetrating manner; the protective shell is mounted on the outer side of the device, so that personnel are prevented from entering the device by mistake when the device works, and the safety of the personnel is further protected; through the cooperation of the four blades and the outer gear ring, the situation that a cut of a cut pipeline is uneven is avoided, the phenomenon that burrs appear on the edge of the pipeline is avoided, and the cutting effect is improved; through cooperation of a transmission mechanism and a fixing mechanism, a second placing roller and a pressing roller can conveniently drive the pipeline to rotate, then automatic feeding and automatic discharging are achieved, and the working efficiency is improved; finally, the problems that danger is increased due to manual participation and a traditional cutting mechanism is low in efficiency and poor in effect are solved.

The utility model relates to the field of plate cutting machines, and discloses an anti-jamming plate cutting machine which comprises a cutting platform, a cutting groove is formed in the top side of the cutting platform, a rotating groove is formed in the rear end of the interior of the cutting platform, and a rotating rod is rotationally connected to the right side of the inner wall of the rotating groove. Transmission gears are fixedly connected to the left end and the right end of the outer wall of the rotating rod, fixing rods are fixedly connected to the left end and the right end of the top side of the cutting platform, and through grooves are formed in the front sides of the fixing rods. According to the device, the rotating rod can be driven to rotate by rotating the rotating button, the transmission gear and the driven gear are driven to rotate at the same time, the threaded rod is driven to rotate through the driven gear, the sliding sleeve drives the fixed pressing strip to move up and down, the effect that the fixed pressing strip can be freely controlled to ascend and descend is achieved, and therefore a plate needing to be machined can be fixed; and the situation that the plate quality is affected due to movement of the plate in the machining process is prevented, and then the flexibility and the working efficiency of the cutting machine are improved.

The utility model relates to the technical field of plate shearing devices, in particular to a plate shearing device for metal processing, which comprises a plate shearing machine, a telescopic cylinder is fixedly mounted at the top of the plate shearing machine, a plate shearing knife is arranged at the bottom of the telescopic cylinder, and a rocker is manually controlled to drive a control rod and a movable rod to rotate through an adjusting component. When the movable rod rotates, the connecting frame can be driven to swing front and back, the angle of the plate shearing knife can be adjusted front and back, when the other set of rockers is controlled to drive the control rod to rotate, the movable shaft and the first bevel gear can be driven to rotate, and when the first bevel gear rotates to drive the second bevel gear to rotate, the angle of the plate shearing knife can be adjusted. And when the second bevel gear rotates, a rotating rod and a plate shearing cutter fixed to the bottom can be driven to rotate, so that the rotating angle of the plate shearing cutter is adjusted, metal plates with different requirements can be sheared, the situation that shearing waste products are generated due to the fact that the requirements of different plates cannot be accurately met is prevented, the machining efficiency is improved, and the rework rate and the rejection rate are reduced.

The application relates to the technical field of metal cutting, and discloses a machining device for metal cutting, which comprises a machining table, the upper surface of the machining table is fixedly connected with a support frame one, the outer surface of the support frame one is fixedly connected with a cutting mechanism, the outer surface of the cutting mechanism is fixedly connected with a cleaning mechanism and a cooling nozzle, the inside of the machining table is clamped with a workpiece, the inclination angle of an arc-shaped plate is changed by adjusting the position of a rotating sleeve ring, the arc-shaped scraper frame rotates around a bearing and reciprocates by a torsional spring one, and the cutting chips in the inner wall of an arc-shaped protective shell are scraped; the inner wall of the inner arc surface protective shell is inclined to prevent the cutting chips from being retained, and the retained cutting chips caused by the cutting fluid are removed in cooperation with the arc-shaped scraper frame; when a disc cutter rotates, a scraper two peels off large cutting chips, and brush hairs sweep away small cutting chips and remove the adhered cutting chips caused by the cutting fluid; the friction rotation of a friction disc and a friction sleeve makes the scraper two and the brush hairs rotate around the bent rod, so that the cutting chips are discharged along the inclined surface.

A cutting device for cutting flat material, such as sheet metal, is disclosed. The cutting device includes a knife shaft to which at least one circular knife can be fastened and a positing device. The positioning device is configured to move the at least one circular knife in a released state along a longitudinal axis of the knife shaft and to fix it in a predetermined position on the knife shaft in a reversible and force-transmitting manner, wherein the positioning device has at least one effector configured to actuate a clamping means of the at least one circular knife. The cutting device is further characterized in that to actuate the clamping means, the effector is movable along an axis of movement that is skewed with respect to the longitudinal axis of the knife shaft.

The invention relates to the field of slitting machines, in particular to a stainless steel coiled plate high-speed slitting machine which comprises a supporting frame, a female inserting body, a male inserting body, a driving fluted disc, a shearing cutter disc and a fastening screw. Two rows of shearing mechanisms are arranged up and down between the supporting frames, each row of shearing mechanism comprises a female plug-in body and a male plug-in body which are mutually plugged together end to end, and the male plug-in body at the end part of each row of shearing mechanism is connected to the supporting frame through a fixedly connected driving fluted disc; shearing cutter heads are fixedly connected to each female plug-in body and each male plug-in body in the upper row, and shearing cutter heads are fixedly connected to each male plug-in body in the lower row; by adopting a sliding plug-in structure of the male plug-in body and the female plug-in body, stepless continuous adjustment of the distance between adjacent shearing cutter heads can be realized by changing the coincidence length of the male plug-in body and the female plug-in body, and the device is suitable for machining requirements of non-standard parts, particularly suitable for shearing machining scenes of small-batch, multi-variety and high-customization-degree stainless steel coiled plates and high in practicability. And the shearing and slitting size specification of the stainless steel coiled plate is not limited any more.

The pipe chipless cutting and blanking machine comprises a wire inlet guide wheel module, a pipe traction aligning module, a pipe straightening module, a centering keeping module and a pipe cutting module which are sequentially arranged in the pipe conveying direction, and the pipe cutting module is structurally characterized in that a cutterhead set is fixed to the outer ring of a bearing, the inner ring of the bearing is fixed to a fixing base, and the cutterhead set is fixed to the outer ring of the bearing; the cutterhead group rotation driving mechanism is in transmission connection with the cutterhead group; the cutterhead group comprises a cutterhead main frame which is coaxially and fixedly connected with the outer ring of the bearing, and a tightening disc rotation driving mechanism is arranged on the cutterhead main frame; tool rests are arranged on the tool disc main frame, blades are arranged at the ends of the tool rests, retracting and releasing guide columns are arranged on the tool rests, retracting and releasing guide arc-shaped holes are formed in the tightening disc in the circumferential direction, and the retracting and releasing guide column of each tool rest is arranged in the corresponding retracting and releasing guide arc-shaped hole of the tightening disc in a penetrating mode. The cutting device has the advantage that metal chips can be greatly reduced during cutting.

A method of swarflessly cutting a pipe comprises the steps of forming a notch (10, fig. 6) in an external surface of a front portion of a wall of the pipe and inserting a pointed blade 51, point first

A slitting tool (100) and a slitting device (1000). The slitting tool (100) comprises: a first cutter assembly (10), comprising a first cutter shaft (11), and a first adjusting spacer sleeve (13), a second adjusting spacer sleeve (14) and a first cutter (12) which are sequentially arranged along the axial direction of the first cutter shaft (11) and abut against each other, wherein the first adjusting spacer sleeve (13) and the second adjusting spacer sleeve (14) abut against each other by means of two helical surfaces which have opposite rotation directions and can be attached to each other; and a second cutter assembly (20), comprising a second cutter (22), wherein the second adjusting spacer sleeve (14) is capable of rotating relative to the first adjusting spacer sleeve (13), and drives, under the action of the first adjusting spacer sleeve (13), the first cutter (12) to move along the axial direction of the first cutter shaft (11), so as to adjust the axial distance between the first cutter (12) and the second cutter (22).

The present application relates to the technical field of steel cutting, and discloses a steel cutting device capable of preventing steel chips from splashing, which comprises a cutting table used for cutting steel; further comprises a supporting frame arranged at the bottom of the cutting table and used for supporting the cutting table; a winding mechanism arranged above the cutting table and used for winding the cut steel; and a cutting unit arranged at the top of the cutting table and used for cutting steel. The present application is provided with a supporting mechanism, including a guide wheel one, a guide wheel two and a U-shaped supporting plate, which can support the steel from the bottom, middle and both sides of the steel, effectively preventing the steel from shaking or deviating due to uneven stress during cutting, and significantly improving the stability of cutting. During cutting, the movable plate can dynamically adjust the height of the guide wheel two according to the stress condition during cutting through the linkage of the lever and the stop lever, further enhancing the supporting force on both sides of the bottom of the steel, and ensuring the stability of the cutting process.

Hydraulic shears (100) with: a first jaw (102) with a first and second side wall (112, 114) defining a first opening (118) and a second opening (120) through the same; a second jaw (104) arranged between the first and second side wall (112, 114), the second jaw (104) comprising a third opening (122); a pivot pin (106) extending through the openings (118, 120, 122) to pivotally connect the first and second jaws (102, 104); and an adjusting mechanism (130) which is coupled to the first jaw (102), the second jaw (104) and the pivot pin (106), wherein the adjusting mechanism (130) is designed to adjust a position of the second jaw (104) on the pivot pin (106) slidably with respect to the first and second side walls (112, 114); the pivot pin (106) comprises: a head section (124) which is arranged in the first opening (118) on the first side wall (112); and a shaft section (126) extending away from the head section (124) and comprising a threaded end (128) arranged at the second opening (120) of the second side wall (114); wherein the first side wall (112) comprises a slotted groove (132) adjacent to the first opening (118) therein, the slotted groove (132) being arranged transversely to the pivot pin (106); wherein the adjusting mechanism (130) comprises a locking element (134) which is connected to the head section (124) of the pivot pin (106) and is arranged in the slot groove (132), wherein the locking element (134) is configured to limit a rotational movement of the pivot pin (106) with respect to the first and second jaw (102, 104); the adjustment mechanism (130) further comprises: a bushing (140) which is slidably mounted on the shaft section (126) of the pivot pin (106) and is arranged between the first side wall (112) and the second jaw (104); and a nut (154) which is adjustable in engagement with the threaded end (128) of the pivot pin (106) and releasably engaged with the second side wall (114); the cylinder liner (140) comprises: a collar section (144) which is arranged in an adjacent relationship with the head section (124) of the pivot pin (106); and a flange section (142) which is arranged in an adjacent relationship with the second jaw (104); and wherein the flange section (142) and the first side wall (112) further comprise a pair of coaxial holes (146, 148) wherein the holes (146, 148) are designed to slidably receive one or more locking pins (150, 152) in order to secure a position of the bushing (140) in relation to the first jaw (102) in a rotationally fixed manner.

The anti-collision beam cutting device comprises a machine body, a mounting frame is arranged on the machine body, a cutter is mounted on the mounting frame and slidably arranged on the mounting frame in the height direction of the machine body, and a supporting assembly is mounted on the mounting frame and comprises a mounting part and an insertion rod; the mounting part is mounted on the mounting frame, the end, away from the cutter, of the insertion rod is mounted on the mounting part, and the insertion rod is inserted into the hollow structure of the anti-collision beam when the anti-collision beam is cut. The anti-collision beam has the effect of reducing the deformation probability of the notch when the anti-collision beam is cut.

In a running cutting machine equipped with a set of drums, each having a helical blade, the objective is to suppress cutting defects at the start of cutting. [Solution] The running cutting machine (1) has a pair of drums (11, 31) that are arranged opposite each other and can rotate around their respective rotation axes (C1, C2), The system comprises at least one pair of helical blades (21, 41) provided on the outer circumference of each of a pair of drums (11, 31), each having an elliptical arc-shaped cutting edge. At least in the axial direction of each rotation axis (C1, C2), With respect to a reference plane (L1) passing through the respective rotation axes (C1, C2) of a pair of drums (11, 31), the cutting surfaces of a pair of helical blades (21, 41) are offset towards the entry side of the object to be cut, and the cutting surfaces of one and the other are configured to be parallel.

The invention provides a metal slitting machine cutter group backlash automatic adjustment method, which comprises the following steps of: acquiring a metal coiled material surface image through optical scanning equipment, performing high-resolution imaging processing aiming at texture direction distribution, extracting surface texture direction distribution characteristics, and combining preset cutting direction setting to obtain initial included angle data; according to the preliminary included angle data, analyzing and judging the correlation between the texture strength difference and the relative angle deviation, and determining a preliminary backlash adjustment amplitude; aiming at the initial backlash adjustment amplitude, combining material anisotropy and material thickness influence, and integrating cutting stress influence and parallel and vertical scene resistance to obtain adjusted backlash dynamic compensation parameters; and if the edge defect associated area does not accord with the defect rate monitoring index, key points are extracted from stress distribution, cutting tool wear data are combined, backlash dynamic compensation parameters are adjusted, and an optimized backlash configuration value is obtained.

A method of swarflessly cutting a pipe, comprising the steps of: forming first and second slits 10) in an external surface of the pipe (1); inserting first and second pointed blades (51), point‑first, into the respective first and second slits 10) in a radial insertion direction perpendicular to the axis of the pipe (1); moving each blade (51), in the insertion direction, through the proximal wall of the pipe (1); moving each blade (51), in the insertion direction, through the rest of the pipe (1) to completely shear a section of the pipe (1).

The utility model discloses a hydraulic plate shearing machine for processing a bottom protection plate of a new energy battery, and relates to the technical field of hydraulic plate shearing machines. The machining device comprises a machining table, a lifting assembly is arranged at the top of the machining table, an upper frame type cutter assembly is arranged at the output end of the lifting assembly, a containing groove is formed in the top of the machining table, an elastic supporting assembly is arranged in the containing groove, and a lower frame type cutter assembly corresponding to the upper frame type cutter assembly is arranged in the containing groove. When the lifting assembly drives the upper frame type cutter assembly to move downwards, the upper frame type cutter assembly and the lower frame type cutter assembly are matched to complete cutting of a plate at a time, and cutting of the plate can be completed at a time. Multiple operations according to the appearance of the new energy battery bottom protection plate during cutting of the plate are avoided, so that the production speed of the new energy battery bottom protection plate is increased, and meanwhile, one-time cutting operation can better ensure that the shape and the size of a cut product are consistent.

This application relates to the field of slitting machine technology, and more particularly to a slitting machine blade holder with width adjustment function. To solve the problem of inconvenient fine-tuning of the slitting blade position, which severely affects the adjustment speed of the slitting blade, the holder includes a rotating rod. A positioning component is provided on the outside of the rotating rod. A slitting component is sleeved on the outer surface of the rotating rod, and an adjustment component is sleeved on the outer surface of the rotating rod. The control end of the adjustment component is slidably installed against the inner wall of the positioning component. This application utilizes a threaded rod and a threaded hole to allow a collar to release its limit, enabling the collar to drive the slitting component and the adjustment component for position adjustment. The threaded adjustment rod and the threaded adjustment hole cooperate to push an arc-shaped plate to move, thereby allowing the arc-shaped plate to engage with an arc-shaped block and an arc-shaped groove, enabling fine-tuning of the connecting ring. This, in turn, allows the connecting ring to drive fine-tuning of the slitting blade, improving the efficiency of slitting blade width adjustment.