183 results about "Knife cuts" patented technology

The utility model discloses a material crushing device for stamping waste materials, which comprises a machine base, the machine base is provided with a material crushing channel and two cutters, the material crushing channel extends front and back for the waste materials to move along, the cutters are arranged on one side of the material crushing channel and are provided with cutting edges, the cutting edges extend in the direction perpendicular to the material crushing channel, and the two cutters are oppositely arranged in the extending direction of the cutting edges. The two cutters can be close to or far away from each other in the extending direction of the cutting edges, and the two cutters are matched to cut waste when approaching in the extending direction of the cutting edges. The material crushing channel extending front and back is arranged, the cutter is arranged on one side of the material crushing channel, the cutter is provided with the cutting edge extending in the direction perpendicular to the material crushing channel, the cutter moves in the direction perpendicular to the material crushing channel to cut waste materials, the cutting direction of the cutting edge is perpendicular to the length direction of the waste materials (the conveying direction of the waste materials), and the cutting efficiency is improved. The cutter length is effectively shortened, so that the size of the crushing device is reduced, and the weight is reduced.

The invention is suitable for the technical field of terminal crimping, and provides a wire harness terminal crimping device, which comprises a base, a cutting and stripping mechanism is arranged on the top surface of the base, and the cutting and stripping mechanism comprises a cut-off knife and a stripping knife; a feeding mechanism and a discharging mechanism are arranged on the two sides of the cutting and stripping mechanism respectively, crimping mechanisms are arranged beside the feeding mechanism and the discharging mechanism respectively, the feeding mechanism comprises a rotating seat capable of horizontally swinging, a guide wheel is rotationally arranged on the rotating seat, and the guide wheel is used for conveying a wire harness to a cut-off tool to be cut off. The rotating seat is used for conveying the head end of the cut wire harness to the peeling knife and the crimping mechanism in sequence; the discharging mechanism comprises a guide rail capable of swinging horizontally, a clamping jaw used for clamping the wire harness is arranged on the guide rail in a sliding mode, and the guide rail is used for conveying the tail end of the wire harness to the peeling knife and the crimping mechanism in sequence. Therefore, the mechanical level and the production efficiency of wire harness terminal crimping are improved, and the stability and the consistency of the crimping quality are ensured through multi-mechanism cooperation and precise control.

The utility model discloses a rotary cutter pipe cutting tool, which relates to the technical field of pipeline cutting and comprises a pipe cutting unit. The feeding unit is arranged on the outer surface of the pipe cutting unit and used for limiting, the pipe cutting unit comprises a placing assembly and a cutting assembly arranged on the outer surface of the placing assembly, and the feeding unit comprises a feeding assembly arranged on one side of the pipe cutting unit and a limiting assembly arranged on the other side of the pipe cutting unit; the placing assembly comprises a control table, and the upper surface of the control table is detachably connected with a supporting roller. According to the pipe cutting tool, the control table, the supporting roller, the first pipe clamping device, the fixing plate, the hydraulic cylinder, the lifting frame, the limiting guide rail and the rotary cutter are matched with one another, so that a pipeline can be conveniently cut, and therefore the functionality of the pipe cutting tool is improved; and meanwhile, the pipelines can be conveyed at equal length according to requirements, so that the practicability of the pipe cutting tool is improved.

The utility model provides a cable stripping cutter, which relates to the technical field of cable stripping and comprises a fixing ring, two first pull rods are fixedly mounted on the surface of the outer wall of the fixing ring, a plurality of cross rods are fixedly mounted on the surface of one side of the fixing ring in a surrounding manner, and a circular ring is fixedly mounted on the surface of one end, far away from the fixing ring, of each cross rod. A fixing assembly is arranged on the surface of the outer wall of the fixing ring, a wire stripping assembly is arranged on the surfaces of the outer walls of the multiple cross rods, the fixing assembly comprises two arc-shaped through grooves, and the two arc-shaped through grooves are symmetrically formed in the surface of the outer wall of the fixing ring. According to the utility model, the two arc-shaped fixing plates cooperate with the plurality of anti-slip strips to clamp and fix a cable, so that the cable is prevented from displacing during wire stripping, and wire stripping operation is prevented from being affected; and the cutting depth of the multiple cutting tools is adjusted by rotating the threaded rod, the internal structure of the cable is prevented from being damaged, and the practicability of the device is improved.

The utility model provides a full-automatic double-end high-speed terminal machine with a crimping structure, which comprises a base plate, a terminal crimping upper table, a crimping seat and a finished product box, and a cable guide table is arranged at the right end above the base plate. Compared with the prior art, the cable crimping device has the following beneficial effects that by adding the base plate, the terminal crimping upper table, the terminal crimping lower table and the crimping seat, a cable is conveyed from the right end, the second electric clamping jaw clamps the cable, and the cable guiding and conveying cylinder drives the second electric clamping jaw to guide and convey the cable, so that the cable crimping efficiency is improved. A cable is cut off by a cable cut-off tool, the cable is clamped by a first electric clamping jaw and transferred to a crimping groove above a lower cable crimping table, a double-head air cylinder drives two groups of upper terminal crimping tables to be close to a lower terminal crimping seat, and a crimping electric telescopic rod drives a crimping seat to realize terminal crimping operation, so that the terminal crimping efficiency can be improved, and the terminal crimping efficiency is improved. And the finished product box is additionally arranged, so that the finished products can be automatically discharged.

The application relates to the technical field of dough sheet production equipment, in particular to a cutting and separating device for dough sheet production, which comprises a rack, a cutting assembly for cutting flattened dough sheets into multiple dough belts is arranged on the rack, the cutting assembly comprises a mounting shaft fixed on the rack and multiple first cutting knives and multiple second cutting knives arranged on the mounting shaft, an adjusting assembly is arranged on the mounting shaft, the multiple second cutting knives are fixed on the adjusting assembly, the adjusting assembly drives the multiple second cutting knives to move simultaneously, adjacent first cutting knives and second cutting knives are arranged in parallel and at intervals, the first cutting knives and the second cutting knives cut a strip structure of waste materials from the dough sheets, multiple dough belt structures are formed on a supporting conveying belt, two adjacent dough belts are arranged at intervals, and a material collecting assembly for collecting the cut strip waste materials is arranged on the rack. The application has the effect of reducing the deviation of the expanded dough belts.

The application discloses a flying knife cutting device, which comprises a supporting seat, a cutting knife assembly and a plurality of guide piece driving devices. The cutting knife assembly comprises a knife seat and a cutting knife. The plurality of guide pieces comprise channels and cutting grooves, and the cutting knife can pass through the cutting grooves of the guide pieces. The knife seat is fixed on a rotating shaft of the driving device, and the driving device drives the cutting knife assembly to rotate, so that the cutting knife cuts the to-be-cut articles in the corresponding channels during the rotation. The flying knife cutting device can cut a plurality of to-be-cut articles in the channels of the plurality of guide pieces at one time, realizes the cutting of a plurality of to-be-cut articles at one time, and greatly improves the cutting efficiency.

The invention relates to rotary cutting disc cutting equipment and technology for bathroom towel rack production, and belongs to the technical field of cutting equipment.The equipment comprises a machine base, a guide rail frame, a clamping assembly I, a clamping assembly II, a supporting arm, a cutting mechanism, an electric push rod and a supporting assembly; according to the pipe cutting device, force is evenly applied through alternate clamping and hydraulic linkage, the pipe is prevented from being deformed and scratched, a V-shaped positioning groove of the supporting assembly is matched with a clamping plate, the clamping assembly I is used for pushing the pipe to move in the clamping assembly II, and the supporting assembly is arranged below the cutting mechanism and used for clamping the pipe at the cutting end and driving the pipe to incline when the pipe is cut off. During cutting, the pipe is guided to incline, a blade is prevented from being clamped and blocked, meanwhile, an internal cleaning assembly is linked with feeding, cutting slag is synchronously discharged, the inner wall of the pipe is supported, the equipment is high in cutting precision, the surface integrity of the pipe is good, and the service life of a cutter is long.

The utility model relates to the technical field of pipeline processing, in particular to a two-way cutting machine for natural gas pipelines, which is characterized in that a two-way screw rod is rotatably connected to the inner side of a top frame, two ends of the two-way screw rod are screwed and connected with nut seats through threads, and the bottoms of the two nut seats are fixedly connected to a bearing frame; second motors are fixedly connected to one sides of the outer walls of the two bearing frames through bolts, rotating rods are rotationally connected to the inner sides of the two bearing frames, and one ends of the rotating rods penetrate through the side walls of the bearing frames and are in transmission connection with output shafts of the second motors. Through the cooperation of the bidirectional screw and the nut seat, the effect that the two cutting knives cut from the two ends of the pipeline at the same time is achieved, the cutting efficiency is greatly improved through the bidirectional cutting mode, the cutting time is shortened, and the production efficiency is improved. Due to the fact that the two cutting knives cut from the two ends of the pipeline at the same time, the cutting face can be smoother and more consistent.

The application discloses a profile cutter for construction site, and relates to the technical field of profile processing equipment, which comprises a fixed bottom plate, a cutting knife, a driving part, a fixed sleeve and an extension part, and further comprises an angle adjusting mechanism, a supporting mechanism, a fixing mechanism and a protection mechanism, wherein the angle adjusting mechanism comprises a transverse surface angle adjusting assembly, a fixed folding rod and a longitudinal surface angle adjusting assembly. When cutting the profile, the supporting mechanism supports the profile, the transverse surface angle adjusting assembly adjusts the transverse surface cutting angle of the cutting knife, the longitudinal surface angle adjusting assembly adjusts the longitudinal surface cutting angle of the cutting knife, the fixing mechanism fixes the profile, the driving part drives the cutting knife to rotate, the extension part drives the cutting knife and the protection mechanism to move longitudinally, at the same time, the protection mechanism is opened, so that the cutting knife is exposed, and the cutting knife cuts the profile. The cutter of the prior art can only cut in a straight line, and it is difficult to meet the cutting requirement of different angles.

The utility model discloses a movable cutting mechanism for a single-needle quilting machine, which is applied to the textile field and comprises a fixed beam, and a sliding rail is bolted on the surface of the fixed beam. The two cutting mechanisms are installed on the fixed beam and the movable machine head respectively, after quilting is completed, a cutter of the fixed beam is pushed out rightwards through the transverse air cylinder, a cutter of the movable machine head moves to the right side along with the machine head and aligns to a flower-shaped outer frame, the cutter is pushed out downwards through the vertical swing air cylinder, and the fixed beam moves backwards for cutting. According to the cutting device, the rotating head is rotated to enable the rotating rod to drive the connecting rod to move, the connecting rod moves to enable the clamping head and the clamping hole to be separated from clamping, the fixing head is taken down, and the cutting knife is taken down for replacement, so that the cutting edge line is smooth, the purpose of facilitating cutting is achieved, the workload is reduced, and the working efficiency is improved. The purpose of conveniently replacing the cutting knife can be achieved, the workload is reduced, and the replacement efficiency is improved.

The invention discloses a filter paper cutting device of a filter, and relates to the technical field of filter production, the filter paper cutting device comprises a rack, the upper end part of the rack is provided with a filter paper supporting plate, the upper end face of the filter paper supporting plate is provided with a protruding part matched with a filter paper crease, the two sides of the protruding part in the transverse direction are both provided with cutting knives, and the two cutting knives are oppositely arranged; the rack is provided with a moving part used for driving the cutting knife to reciprocate in the length direction of the filter paper supporting plate, the moving range of the cutting knife is larger than the width of filter paper, the filter paper supporting plate is provided with receding grooves corresponding to the cutting knife in the length direction, and the cutting knife is inserted into the corresponding receding grooves. The two cutting knives are matched to cut tooth tips of creases of the filter paper, so that a notch for containing a splicing object is formed in the end of the filter paper, the notch is directly formed in the end of the filter paper in the filter paper cutting process, and the processing convenience of the filter paper is improved.

The utility model relates to an exchange membrane cutting device. The exchange membrane cutting device comprises a feeding assembly, a cutter assembly and a discharging assembly, the feeding assembly is used for feeding a material membrane to a membrane cutting station, the cutter assembly is arranged on one side of the feeding assembly and located on the membrane cutting station, the cutter assembly comprises a membrane cutting knife, and the membrane cutting knife is used for cutting the material membrane located on the membrane cutting station. The discharging assembly is located on the side, away from the feeding assembly, of the cutter assembly and comprises a bearing plate and a negative pressure adsorption part, the bearing plate comprises a bearing face used for bearing a cut semi-finished product film, a plurality of adsorption holes are formed in the bearing face, the adsorption holes communicate with the negative pressure adsorption part, and a plurality of scales are arranged on the bearing face. The scales are arranged in the direction from the feeding station to the film cutting station. The exchange membrane cutting device has better cutting and detection precision, is high in yield and has higher finished product efficiency.

The utility model discloses an optical glass film covering device which comprises an operation table, a driving motor fixedly installed on a second reinforcing frame, a lead screw rotationally connected to a first conveying frame, a first distance sensor installed on the first conveying frame, a movable frame body connected to the second conveying frame in a sliding mode, and a second electric push rod fixedly installed on a third reinforcing frame. A cutting knife is connected between the two fixing frames in a sliding mode, and second distance sensors are installed on the fixing frames. According to the automatic film laminating and pressing device, the driving motor, the screw rod, the first distance sensor, the movable frame body, the first roller, the second roller, the second electric push rod, the second connecting slide rod, the cutting knife and the second distance sensor are matched, so that automatic film laminating and pressing work on glass is realized; and meanwhile, a second electric push rod drives a second connecting sliding rod and a cutting knife to descend, so that the cutting knife cuts the thin film, the step of manual cutting with a small knife is omitted, and meanwhile the attractiveness of the cut thin film is improved.

A multi-shaft mechanical arm is fixedly installed on an assembly seat, a base plate is fixedly installed at the tail end of the multi-shaft mechanical arm, a telescopic air cylinder and a water gap shearing air cylinder are fixedly installed on the base plate, the telescopic air cylinder is fixedly connected with a rotating air cylinder, the rotating air cylinder is fixedly connected with an adsorption plate, and a suction cup is fixedly installed on the adsorption plate. The water gap shearing air cylinder is fixedly connected with a pressing plate, and the pressing plate is fixedly provided with a cutter. During operation, the multi-axis mechanical arm adjusts the position of the base plate, the adsorption plate moves to the position of a product to be machined and adsorbs and grabs the product to be machined, the multi-axis mechanical arm moves the product to be machined to the stacking position, in the process, the rotating air cylinder rotates by 180 degrees, the product to be machined is aligned with the pressing plate, the water gap shearing air cylinder drives the pressing plate, the cutter cuts the product to be machined on the adsorption plate, and the product to be machined is stacked. After cutting is completed, the rotary air cylinder rotates reversely by 180 degrees, the products face outwards, stacking and stacking are facilitated, the water gap is cut synchronously in the process of transferring the products to be machined, and production efficiency is improved.

The utility model relates to PE film processing technical field, concretely is a kind of PE winding film cutting device, including machine plate, the side surface fixed mounting of machine plate has roll stock frame, feeding frame and shearing bin, by setting control distance screw rod, control distance plate, spring, shearing frame, cutting knife, utilize the synergies of these structures, control distance screw rod cooperation control distance slide bar, make control distance plate can accurate lift, to control the cutting depth of cutting knife, satisfy half cut or complete cut two kinds of needs, pressing plate provides pressure by spring, ensure the flatness of cutting edge, by the sliding connection of pressing plate side surface and shearing frame inner side, the movement trajectory of cutting knife is restricted, guarantee the perpendicularity of cutting process, when cutting knife cuts into film, the fitting structure of control distance plate and cutting knife seat provides additional rigid support, reduce the deformation risk of cutting knife, prolong tool life, realize the control of PE winding film cutting depth, stability and precision, improve the efficiency and quality of packaging operation.

The invention relates to a winding needle mechanism and winding equipment. The winding needle mechanism comprises a winding needle capable of being controlled to rotate, the winding needle is provided with a peripheral face and a receding part located on the peripheral face, the receding part is used for allowing the upstream cut-off end of a material belt to enter, the winding needle is further provided with a first side wall and a second side wall, and an air blowing part is arranged on the first side wall and used for blowing air to the second side wall. Therefore, when the cutter cuts off the passing material belt, the upstream cut-off end of the material belt is blown into the clearance part of the winding needle located at the first station under the action of the airflow blown out by the blowing piece. At the moment, the upstream cut-off end of the material belt entering the clearance part is tightly attached to the second side wall under the action of airflow blown out by the air blowing part on the first side wall, on one hand, the material belt is cut off and fixed to the winding needle under the conditions that the material belt does not stop conveying to the downstream and the winding needle keeps rotating, and the production efficiency is greatly improved; on the other hand, needle threading and film combining actions are omitted, and the structure of winding equipment is greatly simplified.

The utility model relates to the technical field of cutters, in particular to a cutting structure for folding wet tissues, which comprises a cutting table connected with a folding and rolling mechanism, and the wet tissues folded and rolled by the folding and rolling mechanism are pushed to the cutting table; the mounting frame and the cutting table are fixed in the bottom frame and support the cutting table, a cutter is rotationally mounted at the position, located above the cutting table, of the top of the mounting frame, and the lower middle portion of the cutter penetrates out of a gap formed in the cutting table; the separating and humidifying table is fixed to the cutting table and located on the rear side of the gap, the separating and humidifying table divides the middle-rear portion of the cutting table into two sets of sub-channels, the wet tissue cut by the cutter enters the two sets of sub-channels respectively, at the moment, the separating and humidifying table makes contact with a cutting opening of the wet tissue, and the cutting opening is subjected to appropriate humidifying treatment; and the moisture loss of the cut during cutting is compensated.

The utility model relates to a kind of hydraulic paper cutting machine, including base and top seat installed on base, fixed frame for placing roll paper is installed on base, cutting knife for cutting roll paper is installed on top seat, fixed frame includes support plate rotatably installed on base and the baffle rotationally connected with support plate, rear oil cylinder is installed between support plate and base, front oil cylinder is installed between support plate and base, the output end of rear oil cylinder is retracted when first time discharging, the output end of front oil cylinder is extended when second time discharging, after cutting knife cuts all roll paper, the output end of rear oil cylinder is retracted, roll paper first discharging on baffle, after roll paper on baffle all drop into conveying belt, the output end of front oil cylinder is extended, and roll paper on support plate is secondarily discharged, so that roll paper is discharged twice, so that conveying belt can smoothly convey roll paper, while ensuring that conveying belt normally operates.

The utility model provides a cutting device suitable for alloy resistor raw materials, which is characterized by comprising a hydraulic cylinder, a guide support, a jig and a pressing component. A bearing table and two limiting blocks are arranged on the jig, and two cutter containing grooves are formed in the bearing table; the downward pressing assembly comprises a main plate, a pressing plate, a buffer rod, a spring, a cutter and a punching needle, the buffer rod, the spring, the cutter and the punching needle are located in the pressing plate, a guide hole matched with the guide support is formed in the main plate, the buffer rod is arranged on the pressing plate in a sliding mode, the spring pushes the buffer rod to stretch out of the pressing plate, the cutter and the punching needle both face the bearing table, and the cutter is closer to the bearing table than the punching needle. When the downward pressing assembly makes contact with the jig, the cutter cuts the edge of the alloy resistor raw material and goes deep into the cutter containing groove. In conclusion, according to the cutting device suitable for the alloy resistor raw materials, width trimming and positioning hole punching operation on the alloy resistor raw materials can be completed in a single operation process, the treatment process of the alloy resistor raw materials is shortened, and the cutting efficiency is improved.

The invention relates to the technical field of cable accessories, and discloses an anti-freezing cable accessory in a cold and frozen area, which comprises an accessory shell, one side of the accessory shell is connected with a flange plate, the outer surface of the accessory shell is wrapped with a hoop, a cable body is embedded in the accessory shell, a fixing bolt is embedded in the flange plate, and the fixing bolt is connected with the flange plate. The two accessory shells are connected through fixing bolts. According to the anti-freezing cable accessory in the cold and frozen area, by means of a regular notch pre-cut by the slitting assembly, when the cable is cooled and expands, stress is released through expansion of the insulating skin, and the problems of irregular cable cracking, expansion and poor connection end contact caused by freezing are solved; the positioning cylinder can be synchronously driven to rotate in cooperation with single operation of the rotating ring, the slitting knife cuts the insulation skin and the connecting piece drives the insulation skin to expand, no extra tool is needed for slitting and expanding, assembling steps are reduced, the connection stability can be improved after expanding, the service life of accessories is prolonged, and the long-term connection stability is guaranteed.

The utility model relates to a precision multifunctional cutting and grinding machine which comprises a cutting and grinding frame body and a cutting and grinding knife connected to the cutting and grinding frame body, the cutting and grinding frame body is connected with a dust collection piece, the dust collection piece comprises a dust collection head, the dust collection head is located on one side of the cutting and grinding knife, and the dust collection head is used for absorbing chippings generated during cutting and grinding of the cutting and grinding knife. The cutting and grinding frame has the beneficial effects that the cutting and grinding frame body is used for connecting the cutting and grinding knife and the dust collection piece; the cutting and grinding knife is used for cutting and grinding objects, and chippings generated when the objects are cut and ground are adsorbed by the dust collection head located on one side of the cutting and grinding knife. And through adsorption of the dust collection head, the chippings are prevented from flying everywhere in the cutting and grinding process. The problems that in the prior art, when objects are cut and ground, chippings are generated, meanwhile, the chippings fly to a user, and certain harm is caused to the user are solved.

The utility model relates to the technical field of soft material cutting equipment, and discloses a cutting mechanism for soft material processing, which comprises a machine frame, a placing plate is arranged on the machine frame, a moving frame is connected on the machine frame in a sliding mode, a second driving assembly is arranged on the moving frame, a moving plate is arranged on an output shaft of the second driving assembly, and the moving plate is connected with the placing plate in a sliding mode. A third driving assembly is arranged on the outer side of the moving plate, and a cutting knife is arranged on an output shaft of the third driving assembly. The positions of the cutting knife on the X axis, the Y axis and the Z axis are changed in an automatic mode, the cutting knife cuts soft materials, participation of workers is not needed, cutting efficiency is improved, and meanwhile manpower and material resources are saved.

The invention discloses high-speed mechanical and electronic cam contact pin equipment. A plurality of contact pins which are distributed at equal intervals are fixed on a material belt; the first curve transmission track drives the cutting mechanism to move through the first transmission assembly, and the cutting knife cuts the material belt; the second curve transmission track drives the upper chuck to move in the third direction through the second transmission assembly. The third curve transmission track drives the lower clamping head to move in the second direction through the third transmission assembly, and the upper clamping head and the lower clamping head form a first clamping driving assembly; the fourth curve transmission track drives the clamping piece and the supporting piece to move in the second direction through the fourth transmission assembly; the fifth curve transmission track drives the clamping piece to move in the third direction through the fifth transmission assembly. The electronic cam mechanism comprises a lead screw and a servo motor, and the servo motor drives the first clamping driving assembly to move in the first direction through the lead screw. According to the structure, depth compensation can be carried out, the overall size is small, pace is consistent, precision is high, and machining efficiency is high.

The utility model relates to the technical field of surgical instruments, in particular to a costal cartilage cutting device which comprises a cutting part and a handheld part, the cutting part is arranged at one end of the handheld part and comprises a mounting seat and a cutting knife, the cutting knife is detachably connected to the mounting seat and comprises a U-shaped blade and a knife handle fixedly arranged at the top end of the blade, and the cutting knife is detachably connected to the mounting seat. The cutter handle is detachably connected with the mounting base, the blade comprises a cutting edge end and a cutter back end, a lifting plate is arranged on the side, close to the cutting edge end, of the mounting base, and the adjusting assembly is used for driving the lifting plate to conduct lifting adjustment. Through the arrangement of the adjusting assembly and the lifting plate, the lifting plate can be adjusted to shield and bear the cutting edge end, and the effective use thickness of the cutting edge end can be achieved, so that the blade can be conveniently adjusted to cut costal cartilages with different thicknesses, the costal cartilages can be selectively cut according to the required costal cartilages, waste caused by excessive cutting of the costal cartilages is avoided, and the costal cartilages are convenient to use. The situation that an operation wound is relatively large due to excessive cutting can be avoided, and the degree of injury to a human body is reduced.

The present application relates to the field of circuit board production, and particularly relates to a circuit board laminating process. The present application relates to a circuit board laminating process, which uses a circuit board laminating machine to laminate a multilayer circuit board. The laminating machine automatically pulls out the roll-shaped prepreg and alternately stacks the inner core board between four L-shaped limiting rods. The pressing plate presses the sequentially stacked inner core board and prepreg together, and the cutting knife cuts the prepreg on both sides, reducing the waste of prepreg material. The laminating process overcomes the poor placement accuracy in the process of alternately stacking the multilayer inner core board and the multilayer prepreg. Generally, after stacking, the edges of the standard size are cut according to the standard size, forming a standard size product. This processing method causes the waste of prepreg and inner core board material around the product.

The invention relates to the technical field of machine tool shearing equipment, and discloses a cutting feeding device for medical metal needle head machining, which comprises a supporting platform, two chains are arranged above the supporting platform, a plurality of linkage plates arranged at equal intervals are fixedly connected between the two chains through elastic connecting devices, and a passive pressing plate is arranged on one side of each linkage plate. The driven pressing plate drives the stainless steel pipe to move towards the cutting knife along with operation of the chain to conduct cutting feeding, the stainless steel pipe is cut through the cutting knife, and the stainless steel pipe cutting device further comprises a material pressing device arranged on the inner side of the linkage plate. The stainless steel pipes are driven by the passive pressing plate to move towards one end of the cutting knife to achieve cutting feeding, and when the cutting knife conducts cutting, the stainless steel pipes to be cut are clamped by the passive pressing plate through magnetic repulsive force generated by electrification of an electromagnet in the material pressing device, so that it is guaranteed that when the cutting knife conducts batch cutting on the stainless steel pipes, the cutting efficiency is improved. And all the passive pressing plates can cover the stainless steel pipe, so that the stainless steel pipe is kept stable.

The application relates to the technical field of electrolytic copper plate processing, and discloses a shearing machine for electrolytic copper plate processing, which comprises a base, a feeding plate arranged on the base, a feeding plate slidingly arranged on the feeding plate, a gantry fixed on the base, a first cutting knife arranged on the gantry, the first cutting knife cutting electrolytic copper plates into copper bars in a strip shape through lifting, and a baffle arranged on one side of the feeding plate; a supporting table is fixed on the upper surface of the base, a second cutting knife is arranged above the supporting table, the second cutting knife cuts the copper bars into copper blocks in a square shape through lifting, a lifting plate capable of lifting is arranged on the gantry, and an electric push rod is fixed on one side of the lifting plate. After the electrolytic copper plate is sheared into a copper bar, the copper bar can be directly sheared into a copper block again, so that the electrolytic copper plate can be directly sheared into a square copper block at one station, the equipment investment is reduced, and the work efficiency is improved.

The utility model discloses a novel perforating machine which comprises a machine frame, and a needle seat and a perforating assembly are arranged on the machine frame. The tapping assembly comprises an adjusting plate, and a punching needle is further arranged on the adjusting plate. A needle head is arranged on the punching needle, and a strip-shaped groove connected and communicated with the interior of the needle head is further formed in the punching needle in the radial direction. In conclusion, when the punching needle of the equipment is used for punching, one end of the needle head is directly extruded on the needle seat, which is similar to cutting vegetables on a chopping board by a kitchen knife, so that the punching needle has the advantages of being clean and neat, neat in cut and the like, and the phenomena of burrs on the inner wall surface of a hole site or incomplete cutting can be effectively reduced. Particularly, due to the fact that the strip-shaped groove is formed in the punching needle in the radial direction, waste materials can be rapidly discharged through the strip-shaped groove after the needle head enters the punching needle, and punching efficiency is improved.

The utility model relates to the technical field of mechanical and electrical engineering line cutting technology discloses a kind of mechanical and electrical engineering line cutting device, including workbench, mobile groove is set in workbench side, two groups of line cutting knives are installed in mobile groove by pushing assembly, line cutting groove is set in the middle of two groups of line cutting knife inboard, and wire is distributed between two groups of line cutting groove.The utility model technical scheme is rotated by driving second motor to drive bidirectional screw, and the moving block of thread connection on the two sides of bidirectional screw can push line cutting knife on mounting frame synchronous center movement, wire is cut, and when operator needs to remove the outer wall of wire, the thickness of two groups of line cutting knife can be controlled to wire cutting, after waiting two groups of line cutting knife cutting to wire outer skin, first motor is driven again to drive second transmission gear reverse rotation, clamping wire reverse movement can make two groups of line cutting knife cutting wire outer skin automatically from wire separation.