344 results about "Knife cuts" patented technology

The invention discloses an electric power pipe cutting device for electric power construction, and relates to the technical field of electric power construction. The device comprises a rack, the rack comprises a base, a first support and second supports located on the two sides of the first support are installed on the base, a driving mechanism, a cutting mechanism, a power device and an accelerating device are arranged on the first support, the cutting mechanism comprises a plurality of cutting knives, and fixing devices are arranged on the second supports. The cutting mechanism is driven by the driving mechanism, and the cutting knife is driven to perform revolution and centripetal feeding movement around the axis of the electric power tube; and meanwhile, the power device drives the cutting knife to rotate by means of revolution of the cutting knife, the rotation speed of the cutting knife is increased through the acceleration device, and the cutting knife cuts the electric power pipe through revolution surrounding, centripetal feeding and rotation cutting movement, so that the device can enhance the cutting effect on the premise that energy consumption is not increased.

The invention provides a cutting height adjusting method and device of a cutting knife, wafer processing equipment and a medium, and relates to the technical field of wafer processing equipment.The method comprises the steps that the surface height difference between a sample silicon wafer on an auxiliary workbench and a to-be-processed wafer on a main working disc is measured; after the cutting knife cuts the sample silicon wafer to form a cutting mark, calculating a cutting depth value corresponding to the cutting mark; calculating the surface height information of the sample silicon wafer according to the cutting depth value of the cutting mark and the height information corresponding to the lowest point of the cutting knife when the cutting knife cuts the sample silicon wafer on the auxiliary workbench; and according to a preset cutting depth value, the surface height information of the sample silicon wafer and the surface height difference between the sample silicon wafer on the auxiliary workbench and the to-be-processed wafer, target cutting height information of the cutting knife when the cutting knife cuts the to-be-processed wafer is determined. After the height of the cutting knife is adjusted according to the target cutting height information, the cutting mark cut by the cutting knife has high-precision cutting depth.

The utility model discloses a camellia oleifera grafting rootstock cutting device which comprises a fixing frame, a chopper down-cutting air cylinder is fixedly installed on the top of the fixing frame, the output end of the chopper down-cutting air cylinder penetrates through the fixing frame and is fixedly connected with a chopper air cylinder seat, and the top of the chopper air cylinder seat is fixedly connected with a connecting block. A Z-axis guide assembly is arranged between the connecting block and the fixing frame, a chopper forward-pushing air cylinder is fixedly installed on one side of the chopper air cylinder seat, a forward-pushing air cylinder driving rod is arranged on one side of the chopper forward-pushing air cylinder, and the forward-pushing air cylinder driving rod penetrates through the chopper air cylinder seat and is connected with an installation seat. Through the arrangement of the chopper downward-cutting air cylinder and the chopper forward-pushing air cylinder, after the oil-tea tree stock is cut, the chopper rest and the chopper can be separated from the oil-tea tree stock in a staggered mode, the space at the upper portion of the oil-tea tree stock is avoided, when the oil-tea tree stock cutting device is used for grafting, a scion wood feeding mechanism enables scion wood to be inserted into the oil-tea tree stock, and grafting work of oil-tea trees is facilitated.

The invention discloses a stainless steel coiled plate slitting device for building decoration, and relates to the technical field of metal cutting, the stainless steel coiled plate slitting device comprises a moving assembly, and the top of the moving assembly is fixedly connected with a conveying assembly, a cutting assembly and a rolling assembly. According to the stainless steel coiled plate slitting device for building decoration, three rubber strips make alternate contact with a stainless steel coiled material by rotating a conveying roller, so that the advantage of automatic stretching and feeding of the stainless steel coiled material is achieved, a hydraulic rod is started, a cutting knife cuts the stretched stainless steel coiled material, and after cutting is completed, the stainless steel coiled material is cut by a cutting knife. The two connecting rods and the two supporting rods are driven to move upwards, meanwhile, the lifting rod rolling wheels are driven to move upwards, the lifting rod rolling wheels jack up the discharging top plate after making contact with the discharging top plate, at the moment, the discharging top plate rotates with the circle center of the fixing rod as the rotating center, the discharging top plate forms an inclined face, and therefore the effect that the cut stainless steel coiled materials are automatically discharged can be achieved.

The invention provides an efficient cleaning, root-removing, yellow-leaf-removing and accurate weighing and packaging machine for leaf vegetables. The efficient cleaning, root-removing, yellow-leaf-removing and accurate weighing and packaging machine comprises a root-removing and yellow-leaf-removing module, a leaf vegetable cleaning module, a leaf vegetable weighing module and a leaf vegetable packaging module. The root and yellow leaf removing module fixes leafy vegetables through a gripper and is matched with a cutter to remove roots and yellow leaves, and a motor drives a conveyor belt to convey; the cleaning module flushes leafy vegetables through a water spraying pipe, and a motor drives a conveyor belt to convey; the weighing module is metered by a gravity sensor, and leaf vegetables are transferred by a cylinder push plate after reaching the standard; and the packaging module is used for bundling through a packaging hook, clamping through a ribbon twisting device and cutting excess materials through a ribbon cutter. The full-process automatic processing of the leaf vegetables is realized, the problems of low manual efficiency and tedious equipment connection in the prior art are solved, and the large-scale production requirements of the leaf vegetables are met.

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 utility model relates to the technical field of furniture processing equipment, in particular to a plate cutting and polishing device for furniture production, which comprises a machine table, side sliding rails, a moving frame, a lifting cutter and a cutting knife, sanding belts are mounted on two sides of the cutting knife, a feeding box is fixedly connected to one side of the machine table, and a bottom plate is adaptively and movably mounted on the inner side of the feeding box. Two sliding blocks are fixedly connected to the two sides, opposite to the feeding box, of the bottom plate correspondingly, movable grooves are formed in the side walls, opposite to the sliding blocks, of the feeding box in a penetrating mode, and the sliding blocks and the movable grooves penetrate through and are in matched sliding connection. According to the plate cutting and grinding device for furniture production, the sanding belts are arranged on the surfaces of the two sides of the cutting knife, the grinding sand layers are arranged on the surfaces of the sanding belts, after the cutting knife cuts a plate, the cut cutting faces are synchronously ground, the process is simpler, and the cutting and grinding efficiency is higher; and a feeding box for lifting and feeding and a pushing block for pushing and discharging are arranged, so that the feeding convenience of the cutting and polishing device can be improved, and the manual workload 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 invention relates to the technical field of agriculture, in particular to a multi-item processing robot for modern agriculture, which comprises a tracked robot, a picking mechanical arm fixed at the top end of the tracked robot and a fixing frame fixed outside the top end of the tracked robot, when the multi-item processing robot for modern agriculture is used, the defects that an existing intelligent agricultural power machine is dispersed in function and only works on the surface layer can be overcome in a targeted mode, picking, mowing, root removing and preprocessing are integrated, the tracked robot serves as the moving basis, the picking mechanical arm can synchronously carry out crop picking, and the working efficiency is improved. The mowing mechanism at the bottom end of the fixing frame cuts off stems and leaves of weeds on the earth surface in advance, and sequential operation loss is avoided; the rotating assembly drives a limiting rack and a limiting gear to be linked through a limiting electric telescopic rod, and a rotating rod and a rotating frame are driven to adjust the soil penetrating depth of an inclined shovel plate to adapt to different scenes; the grass root shearing assembly drives a long rack by means of a reciprocating electric telescopic rod, and a double-gear rod and a single-gear rod are linked to enable a shear knife to cut off roots.

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 invention relates to the technical field of basalt fiber cutting, and discloses basalt fiber cutting equipment and a cutting method.The basalt fiber cutting equipment comprises an annular guide rail, a cutting mechanism is arranged below the annular guide rail, and the cutting mechanism is provided with a fiber cutting knife capable of stretching in the vertical direction; the first cutting platform is correspondingly arranged below the first straight guide rail, and a first fiber feeding mechanism is arranged at the front end of the first cutting platform; the second cutting platform is correspondingly arranged below the second straight guide rail, and a second fiber feeding mechanism is arranged at the rear end of the second cutting platform. The fiber cutting knife circularly moves on the annular guide rail, and the moving speed of the fiber cutting knife is equal to the feeding speed of the basalt fibers, so that when the fiber cutting knife is located on the first straight guide rail and the second straight guide rail, the basalt fibers and the fiber cutting knife are relatively static in the horizontal direction, and when the fiber cutting knife cuts the basalt fibers in the longitudinal direction, the basalt fibers are cut by the fiber cutting knife. And the cutting surface levelness and the fixed-length cutting effect can be guaranteed.

The present application relates to a kind of easy tear PVC adhesive tape, including substrate layer and adhesive layer, the substrate layer includes PVC film, the adhesive layer is set to substrate layer back, the surface of substrate layer is equidistantly provided with multiple cross-section trapezoidal transverse guide teeth, form transverse guide groove between adjacent transverse guide teeth, the length of transverse guide tooth is adapted to the width of substrate layer.The present application also provides a preparation method, including the following steps: step 1: PVC film calendering molding;Step 2: prepare glue;Step 3: finished product PVC film is pulled into machine guide roll, adhesive;Step 4: enter oven recovery system and dry, then be rolled into the length of semi-finished product required;Step 5: semi-finished product is cut into finished product in cutting machine table.By using the above technical scheme, compared with the adhesive tape of two side cut, the present application can be quickly torn along transverse guide groove, not only easy to break compared with ordinary PVC adhesive tape, while tear fracture is neat, comparable to knife cut.

The invention discloses a rotary cutter for log processing. The rotary cutter comprises a machine base, a pushing mechanism and a rotary cutting mechanism. A driving shaft is arranged in the rotary cutting mechanism, a plurality of gear sheets are arranged on the driving shaft, pressure bars are arranged at the upper ends of the gear sheets, the pressure bars and the gear sheets are arranged at intervals, rotary cutters are arranged at the lower ends of the gear sheets, and the rotary cutters are mounted on the rotary cutting mechanism through retaining assemblies. According to the rotary cutter for log processing, by arranging the pressing bars and the gear pieces which are alternately arranged at intervals, fibers on logs can be extruded and broken through the driving teeth on the gear pieces, meanwhile, extrusion is achieved in cooperation with the knurling faces, and the logs can be conveniently cut by the rotary cutter. Meanwhile, by rotating the rotating piece, the first holding piece and the second holding piece are separated, the rotary cutter can be conveniently taken out and replaced, the rotary cutter does not need to enter a rotary cutting area to unscrew a bolt, the rotary cutter can be rapidly disassembled and assembled, the rotary cutter can be replaced in time, and normal production work is guaranteed.

1. The name of the design product: the camera. 2. The use of the design product: for the knife cut hard object placed on the back of the knife, to prevent the hand to beat the back of the knife when injured. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective drawing. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: design 2 is transparent material.

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.

To provide a cooking tool for cutting green onions safely and easily. [Solution] This is a cooking utensil in which multiple circular blades 1 are rotatably connected and arranged at equal intervals. By pushing the circular blades around on top of the green onion placed on a cutting board to cut it, there is no need to hold the area near the blade with your fingertips, and anyone can cut the green onion safely and easily. Conventionally, when cutting green onions with a knife or the like, it was necessary to hold the soft green onion with the fingertips near the edge of the blade to prevent it from moving due to friction with the blade, and skilled technique was required to cut the green onion safely and quickly in this state.

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 utility model discloses a cutting device for automobile sealing strip production, and relates to the technical field of sealing strip production. The sealing strip cutting-off device comprises a working frame, a cutting-off mechanism is arranged at the top of the working frame, and a cleaning mechanism is arranged at the bottom of the cutting-off mechanism. By arranging a distance fixing frame, when a sealing strip needs to be cut off, the sealing strip is placed on a conveying belt, a first motor is started to drive a first rotating shaft to rotate, and the first rotating shaft drives a driving wheel to rotate; when the sealing strip abuts against the distance fixing frame, the hydraulic rod drives the cutting knife to move downwards, the cutting knife moves downwards to drive the limiting rod to slide in the supporting frame, and the cutting knife cuts off the sealing strip. And when the position of the distance fixing frame needs to be adjusted, a pull rod is pulled, a limiting plate on the pull rod compresses a first spring, and meanwhile the pull rod slides out of a limiting groove.

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 belongs to the technical field of aerated blocks, and particularly discloses an aerated block cutting auxiliary tool which comprises an aerated block, angle iron is arranged on the outer wall of the aerated block, and a square pipe is fixedly connected to one side of the angle iron; the fixing assembly is used for assisting a worker in fixing the tool, and the fixing assembly is connected with the angle iron and the square pipe; and the cutting assembly is used for cutting the aerated block, and the cutting assembly is connected with the fixing assembly. Through the arrangement of the cutting assembly, after a worker presses a pressing rod, a main cutting knife descends to cut an aerated block from the top, and an auxiliary cutting knife cuts the aerated block from the side edge, so that the effect of rapidly cutting the aerated block is achieved, the worker does not need to turn over to cut the aerated block many times, the cutting efficiency of the aerated block is improved, and the labor intensity of the worker is reduced. And the operation steps of workers are reduced, and the workers can conveniently use tools to cut the aerated blocks.

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 discloses a TPU film waste separating and crushing assembly, and belongs to the technical field of TPU recycling. According to the device, the guide rollers are arranged, protective films on the upper side and the lower side of the TUP are guided and separated through the guide rollers, so that separation and recycling of different layers of the TUP are achieved, and the protective films and the TUP films are cut off and smashed through a cut-off tool and a strip cutting tool on the cutting rollers in cooperation with the arrangement of the cutting assembly, so that the protective films and the TUP films can be rapidly molten and utilized again after being recycled; the strip cutter and the cut-off cutter are arranged on the surface of the cutting roller, the strip cutter can cut recycled protective films and TUP films into thin strips, the thin strips are smashed through cooperation of the cut-off cutter and the shear plate, smashed film particles can be directly recycled, and the production requirement is met.

The invention discloses a cooling blade structure for a cutting bed and a cooling method thereof.The cooling blade structure comprises a cutting knife, the front side and the rear side of the cutting knife are oppositely provided with a cutting edge and a knife back, and the lower end of the cutting knife is provided with a knife point capable of cutting in cloth; the cutter back is provided with heat dissipation grooves which are distributed in the length direction of the cutter and extend to the position below cloth. The spraying head corresponds to the heat dissipation groove and is used for conveying a cooling medium into the heat dissipation groove, and the spraying head is arranged above the cloth. The cooling medium can flow through the heat dissipation groove from top to bottom and perform heat absorption and cooling on the cutter, so that the heat dissipation and cooling effect of the cutting contact part of the cutter and the cloth is improved, it is guaranteed that the temperature cannot be accumulated when the cutter cuts, the temperature of the cutter cannot be continuously increased due to cutting, the conditions of tempering and the like of the cutter are avoided, and the service life of the cutter is prolonged. The use hardness and the service life of the cutter are guaranteed, and meanwhile the processing quality of the cutter for cutting the cloth is improved.

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 utility model relates to the technical field of straw production, and discloses a heat-resistant polylactic acid straw cutting machine which comprises a first support, a second support and a cutting device. The cutting structure is arranged on the first bracket; the cutting structure comprises a cutting pipe arranged on the first support, a communicating pipe arranged in the cutting pipe, a hydraulic rod fixed to one side of the communicating pipe, a tool apron fixed to the hydraulic rod, a cutting tool fixed to the tool apron, a connecting plate fixed to the tool apron and a limiting block fixed to the connecting plate. The hydraulic rod in the cutting pipe is used for controlling the cutting knife on the knife holder, so that the cutting knife cuts the suction pipe at a proper moment, subsequent suction pipes can be blocked during cutting, the suction pipes cannot advance continuously during cutting, the cutting accuracy is ensured, a plurality of suction pipes can be introduced into the cutting pipe at the same time, the suction pipes can be cut at the same time, and the cutting efficiency is improved. And the cutting efficiency can be ensured.

The invention relates to the technical field of flange machining, and discloses a stainless steel flange turning device and a machining method thereof.The stainless steel flange turning device comprises a cutting lathe, a fixing seat is fixedly connected to the top of the inner surface of the cutting lathe, and a mounting block is slidably connected to the top of the fixing seat; and a reciprocating assembly is arranged in the mounting block. A driving motor drives a first rotating shaft to rotate, the first rotating shaft rotates to drive a gear to rotate, the gear rotates to drive a first cutting knife and a second cutting knife to move through a rack, at the moment, after the first cutting knife cuts for a period of time, heat is accumulated at the cutting edge of the first cutting knife, and the first cutting knife shrinks at the moment; when the T-shaped flange is cut, the high concentration of cutting heat caused by continuous machining of the same cutter can be avoided, the cutter is prevented from being oxidized and abraded in a diffusion mode due to high temperature, and the cutting edge is prevented from cracking or plastically deforming, so that the service life of the cutter is prolonged.

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 relates to a cutting machine, belongs to the technical field of rubber tube cutting, and particularly relates to a semi-automatic rubber tube cutting machine which comprises a base, a feeding mechanism and a storage assembly, a placing frame is fixed at one end of the upper side of the base, and a mounting frame is fixed at the other end of the upper side of the base; through the cooperation of the movable toothed plate, the rotating shaft, the bearing, the gear and the feeding roller, a rubber pipe can be conveyed, meanwhile, the distance between the stop block and the movable toothed plate can be adjusted by rotating the screw rod, the conveying distance of the rubber pipe is controlled, and finally the cutting length of the rubber pipe is controlled; by arranging the storage assembly, after a cutting knife cuts a rubber pipe, chippings generated by cutting fall into a sliding groove through a through groove and finally fall onto the upper side of a storage plate, the storage plate can be regularly pulled out subsequently, and the chippings are cleaned in a unified mode; the problems that an existing cutting machine cannot accurately control the length of each section of cut rubber pipe to be the same, and cleaning cannot be conducted in time are solved.