37 results about "Cross cut" patented technology

The invention provides a laser engraving path planning method, system and device and a medium, and relates to the technical field of laser engraving, the method comprises the steps that a preset format file is obtained, and the preset format file comprises a three-dimensional model of a to-be-machined part; performing cross cutting on the three-dimensional model to obtain a plurality of intersection points and a plurality of intersection lines; performing contour reconstruction on the three-dimensional model based on each intersection point and each intersection line to obtain at least one closed region segmentation curve; based on each region segmentation curve, determining an inclusion relation among the region segmentation curves by adopting a Vatti polygon cutting algorithm; establishing a topological relation tree based on inclusion relations among the region segmentation curves; performing region division based on the topological relation tree to obtain a plurality of different processing regions; and for each machining area, a preset filling method is adopted to generate a corresponding carving tool path. According to the method, the machining precision is guaranteed through local intersection point and intersection line processing while the machining area is accurately and rapidly divided to generate the carving tool path.

The utility model discloses a full-automatic hydraulic cutting trephine which comprises a trephine body, an automatic monorail, a connecting frame, a rotary speed reducer and an upper connector, one end of the upper connector is connected with the rotary speed reducer, the other end of the upper connector is used for being connected with an external mechanical equipment body, and the connecting frame is connected with the output end of the rotary speed reducer. The automatic monorail is fixedly mounted at the bottom of the connecting frame, the trephine body is mounted on the automatic monorail and can reciprocate along the automatic monorail, and the swing cutting mechanism is further mounted on the automatic monorail and connected with the trephine body and controls the trephine to swing on a cutting plane. According to the full-automatic hydraulic cutting trephine, through automatic control and structural innovation, the industrial cutting efficiency is remarkably improved, angle adjustment is completed through one key, the process of positioning, depth cutting and transverse cutting is automatically executed, and the risk and cost of manual operation are reduced.

The application discloses a layered cross-cut mining type seabed upward horizontal layered access filling mining method, which divides a mining block stage into several sections, divides the sections into several layers, and alternately uses a back-to-back ring surrounding stoping structure and a horizontal layered stoping structure to stop mining of the ore body in the horizontal layers from bottom to top; wherein the back-to-back ring surrounding stoping structure divides the mining block into a plurality of annular accesses with the mining block stoping center as the center from inside to outside, and the diameter of the annular access gradually increases from inside to outside. The access of the back-to-back ring surrounding stoping structure is long and the number is small, which can effectively improve the efficiency of the ore body stoping, and the back-to-back ring surrounding stoping structure and the horizontal layered stoping structure are arranged to alternately stop mining of the upper and lower layers, so that the upper and lower layered accesses of the ore body stoping form a cross structure, thereby providing more support in the direction of the ore body, helping to maintain the stability of the filling body, and effectively controlling the stress change of the stope surrounding rock.

The utility model relates to the technical field of leveling mechanism, specifically disclose a leveling mechanism for large thick plate leveling cross cut production line, including leveling device support, the inside sliding installation of leveling device support has upper compression roller subassembly, and the below of upper compression roller subassembly is provided with lower compression roller subassembly, be provided with lubricating assembly for lubrication on the leveling device support, the upper compression roller subassembly includes upper compression roller support, and the inside sliding installation of upper compression roller support has upper compression roller main part, the top fixed setting of upper compression roller support has first mobile sliding block, the lower compression roller subassembly includes lower compression roller support, and the inside rotation of lower compression roller support is installed with lower compression roller main part, the utility model discloses the upper compression roller subassembly and lower compression roller subassembly that set up, can slide on leveling device support through the link sliding slot, can drag upper compression roller subassembly and lower compression roller subassembly to the one side of leveling device support to convenient operation to upper compression roller subassembly and lower compression roller subassembly.

The embodiment of the utility model discloses a touch panel and a display device. The touch panel comprises a circular touch electrode layer. The circular touch electrode layer comprises a cross-shaped cutting line, a plurality of arc-shaped cutting lines and a plurality of special-shaped touch electrodes; the cross-shaped cutting lines and the arc-shaped cutting lines are used for dividing the circular touch electrode layer into a plurality of special-shaped touch electrodes with approximately equal areas. According to the scheme, the uniformity of each touch signal generated by the touch panel and the display effect of the display panel can be improved.

The cross cut shear with the plate washing mechanism comprises a machine body, a plate washing box is welded to the position, corresponding to the feeding end, of the left side of the machine body, and a cleaning box is welded to the position, corresponding to the discharging end, of the right side of the machine body; according to the aluminum plate cutting machine, the plate washing box is arranged at the feeding end of the machine body, washing water is guided into the U-shaped pipe through the water supply pipe, the two sets of high-pressure sprayers arranged on the inner side of the U-shaped pipe are promoted to spray out the washing water in the opposite directions, and a to-be-cut aluminum plate penetrating through the U-shaped pipe is subjected to double-face washing; a threaded rod is driven to push two brushes on the inner side of a first U-shaped frame to move oppositely, so that the brush faces of the two brushes are kept in contact with the two faces of the aluminum plate until the brushes brush the aluminum plate in the feeding state, and the plate washing effect before the aluminum plate is cut is achieved; and in combination with a second U-shaped frame in the cleaning box, another group of brushes are adopted to wipe and clean the cut aluminum plate, so that residual cutting chips are removed.

The invention discloses a garden nursery stock cultivating and planting device and a planting method thereof. The garden nursery stock cultivating and planting device comprises a supporting assembly, a feeding assembly, a soil cabin, a planting assembly, a transmission assembly and a temporary storage assembly. An electric telescopic rod of the transmission assembly drives a second strip-shaped tooth and a connecting rod to be linked with a pressing plate, meanwhile, a one-way transmission structure of a second flywheel and a transmission roller is matched, a conveying belt of the feeding assembly can be driven to achieve directional and stable conveying of culture soil, and a detachable cross-shaped cutting knife and a punching rod at the bottom of the pressing plate are combined; the cutting of the culture soil and the opening of the planting pit can be automatically completed; the one-way transmission design of a first flywheel and a planting wheel in the planting assembly is matched with a spring and a partition plate in a planting groove, it can be ensured that the seeds enter the planting groove in order, and the seeds can be accurately pushed into a planting pit after the planting wheel rotates in place. The continuous operation from culture soil conveying and pretreatment to seed implantation and finished product temporary storage is achieved, the manual intervention link is greatly reduced, and the labor intensity of workers is reduced.

The utility model discloses a high-precision positioning device of a silicon steel sheet cross cut line, and particularly relates to the field of silicon steel sheet cross cut shears, the high-precision positioning device comprises a mounting base, two sliding grooves are symmetrically formed in the two sides of the mounting base, a driving device is jointly mounted between the two sliding grooves, and two guide blocks are fixedly connected to the output end of the driving device; and an adjusting device is arranged on each guide block. When in use, the device is simple to operate, the driving device can be driven by the motor to work, the guide block can be driven by the driving device to move synchronously, the silicon steel sheet can be limited according to the size of the silicon steel sheet, and the limiting block can be driven to move by rotating the screw rod, so that the limiting block can move more finely; and therefore, the silicon steel sheet can be limited and positioned more accurately.

The utility model relates to cutting technical field, concretely is a kind of calcium silicate board cross cutting device, including multiple support, the top of support is fixedly connected with protection plate, the protection plate has four, every two protection plates are a group, the side of every group protection plate close to is rotatably connected with pivot, the middle part of pivot is all provided with driving motor, the outer surface of pivot is drivingly connected with conveyer belt, the outer surface of conveyer belt is fixedly connected with multiple antiskid pad;Two groups of the side close to of protection plate is provided with two adjusting frame, the top of adjusting frame is all set with adjusting hole, adjusting hole is all sleeved with lifting unit;The utility model can take away heat by water flow when cutting by high-pressure water cutter, thus can not change the physical properties of calcium silicate plate blank when cutting, simultaneously, the debris and dust generated when cutting can be taken away by water flow, thus can reduce the condition of dust flying when cutting.

The utility model provides a multilayer transverse cutting device for production and processing of standard brick green bricks, which relates to the field of green brick transverse cutting devices and comprises a transverse cutting machine, one side of the transverse cutting machine is slidably connected with a first support, and one side of the first support is fixedly connected with a first electric telescopic rod. A first electric telescopic rod is arranged on the inner wall of the first support, an output rod of the first electric telescopic rod is fixedly connected with a sliding frame, the two ends of the sliding frame are both in sliding connection with the inner wall of the first support, a brick guiding frame is arranged on one side of the inner wall of the first support, and a plurality of cutting wires are fixedly connected between the two ends of the sliding frame. Water in the water tank can be pumped into the flow guide frame and the water spraying frame through the water pump to wash and clean the surface of the cutting wire, the situation that adherends adhering to the surface fall on the next standard brick green brick to affect the quality of the brick green brick is effectively avoided, the production efficiency of the standard brick green brick is improved, and the manual workload is reduced.

The utility model relates to the technical field of transverse cutting machines, and discloses a leveling double-flying-shear transverse cutting machine which comprises a base, a fixing column is fixedly connected to the left front side of the upper portion of the base, a mounting rod is rotatably connected to the interior of the fixing column, a coiled material is slidably connected to the outer side of the mounting rod, and a mounting frame is fixedly connected to the right side of the upper portion of the base. A mounting column is slidably connected to the interior of the mounting frame, a mounting groove is formed in the upper portion of the rear side of the mounting column, a mounting sleeve is slidably connected to the interior of the mounting groove, telescopic shafts are uniformly and fixedly connected to the periphery of the right side of the mounting sleeve, reset springs sleeve the outer sides of the telescopic shafts, and a sliding groove is formed in the middle of the front side of the mounting frame; and an adjusting assembly is arranged on the left front side of the mounting frame. According to the leveling double-flying-shear transverse cutting machine, through cooperation of the air cylinder, the limiting frame, the mounting column, the mounting sleeve, the mounting rod, the motor, the gear, the rack plate and other structures, the leveling double-flying-shear transverse cutting machine can be used for coiled materials with different thicknesses, and the applicability of the transverse cutting machine is improved.

This invention discloses a large-scale thick plate leveling and shearing device with automatic feeding and balanced shearing force, belonging to the technical field of thick plate shearing devices. It includes a plate body, a lifting plate three mounted on one end of a push rod, multiple hydraulic telescopic units seven mounted on one side of the lifting plate three, a piston rod seven mounted on the output end of the hydraulic telescopic unit seven, and a clamping plate mounted on the output end of the piston rod seven. In this invention, multiple plates are stacked on top of a lifting plate two. The lifting plate two and the moving plate move downwards. When the suction cup cannot hold the plate, the lifting plate three is moved downwards by an electric telescopic unit, which in turn moves the clamping plate downwards to a suitable height. Then, the hydraulic telescopic unit seven moves the clamping plate inwards to clamp the plate. The clamping plate can increase the contact area with the plate by moving downwards according to the plate thickness, avoiding deformation of the plate due to a small contact area when clamping it, and also preventing the clamping plate from clamping other excess plates below the plate.

The utility model discloses an extruded polystyrene board linear motor transverse cutting device which comprises a bottom frame, a frame-shaped knife rest arranged above the bottom frame and a conveying belt installed on the top of the bottom frame and used for supporting an extruded polystyrene board. The driving assembly comprises guide rails installed on the tops of the front side and the rear side of the bottom frame and a moving plate installed on the tops of the guide rails. According to the linear motor transverse cutting device for the extruded polystyrene board, the moving mode of the tool rest is changed into linear motor driving, when the cutter transversely cuts, generated noise is low, and large heat cannot be generated, so that the service life of the linear motor transverse cutting device for the extruded polystyrene board is longer; furthermore, by arranging a pressing mechanism, the extruded polystyrene board on the conveying belt can be pressed, the extruded polystyrene board cannot deviate in the transverse cutting process, high stability is achieved, and the transverse cutting quality of the extruded polystyrene board is guaranteed.

The invention relates to the technical field of steel belt machining, in particular to steel belt uncoiling, leveling and transverse shearing equipment which comprises a leveling machine, a transverse cutting machine and an uncoiling machine arranged on one side of the leveling machine, and further comprises a fixing assembly arranged on one side of the leveling machine, a guiding assembly arranged at one end of a first sliding rail, and a moving assembly arranged on one side of the first sliding rail. The cutting assembly is arranged in one conveying roller, and the centering assembly is arranged in the portion, below the uncoiler, of the supporting frame. According to the steel coil flattening device, the two conveying rollers at one end of the flattening machine move along the first sliding rail and the second sliding rail, meanwhile, the angle of the second sliding rail is adjusted, the two conveying rollers can press the surface of a steel coil, the steel coil is fixed while a binding band on the outer side of the steel coil is removed, and the head end of the steel coil is prevented from collapsing and bouncing outwards under the action of internal stress; and meanwhile, the head end of the steel coil is clamped by the two conveying rollers to move, the steel coil is pulled into the leveling machine, manual traction is replaced, and operation is more convenient.

The utility model provides an iron core silicon steel sheet receiving platform. The iron core silicon steel sheet receiving platform comprises a platform mechanism, a walking mechanism, a positioning mechanism and a detection mechanism, the platform mechanism is used for receiving iron core silicon steel sheets conveyed by an external conveying device; the walking mechanism is arranged below the platform mechanism and used for driving the platform mechanism to move horizontally. The positioning mechanism is arranged on the upper surface of the platform mechanism and used for positioning the iron core silicon steel sheets placed on the platform mechanism. The detection mechanism is arranged on the upper surface of the platform mechanism and used for detecting whether iron core silicon steel sheets are placed on the platform mechanism or not, and the problem that a stacking mechanical arm can only grab a single sheet at a time is solved in the mode that the platform mechanism transfers sheet materials. And the movement frequency of the platform mechanism and the waiting time of the cross cut shear are reduced, and the production efficiency of the transformer iron core is greatly improved.

The invention provides an optimal blank weight calculation method and device based on particle swarm optimization, and the method comprises the steps: obtaining the order information of the thickness of a plate blank and heat treatment transverse cutting, and the order information comprises the steel grade, the thickness of a sub-plate, the width of the sub-plate, the length of the sub-plate, and the total weight of order; classifying and grouping the orders according to the steel types and the daughter board widths, and determining the board blank width and the board blank thickness in each group of orders; plate blank design rules and plate blank steel coil sub-plate conversion rules in each group of orders are determined according to production conditions; according to the plate blank width, the plate blank thickness, the plate blank design rule and the plate blank steel coil sub-plate conversion rule, determining an objective function and a constraint condition of optimal blank weight design in each group of orders; and based on a particle swarm optimization algorithm, obtaining a positive scale rate and an optimal blank weight in each group of orders which meet constraint conditions and enable the objective function to be maximum. The transverse cutting correction rate can be improved, the production efficiency is improved, and iron and steel enterprises are promoted to better cope with the diversification of market requirements.

The transverse cutting mechanism for carton processing comprises a machine frame, a transverse cutting assembly and a paper pressing assembly, a mounting cross beam and a bearing plate are arranged on the machine frame, and a mounting base is connected to the mounting cross beam in a sliding mode; the transverse cutting assembly comprises a swing arm, a first telescopic driving part and a cutting cutter head, and the swing arm can be driven by the first telescopic driving part to vertically swing so that the cutting cutter head can move downwards to cut a paperboard; the paper pressing assembly comprises a second telescopic driving piece, a lifting base and a paper pressing wheel, and the second telescopic driving piece is used for driving the lifting base to move downwards so that the paper pressing wheel can be pressed downwards to the paperboard. According to the transverse cutting mechanism for carton processing, the swinging arm is driven by the first telescopic driving piece to vertically swing, the height of the cutting cutter head can be adjusted, the paper pressing assembly and the transverse cutting assembly can synchronously move, the paper pressing wheel can effectively abut against the upper portion of a paperboard when the cutting cutter head conducts cutting, and the paper pressing wheel can effectively press the paperboard when the cutting cutter head conducts cutting. And the paperboards are prevented from tilting upwards due to the cutting effect, and the dimensional accuracy of the cartons can be improved.

The utility model relates to the technical field of automatic transverse cutting machines, in particular to a transverse cutting machine which is high in automation degree and wide in application range, and comprises an object placing table and a cutting machine installed at the bottom end of the object placing table, and sliding rails which are horizontally arranged and fixedly connected to the bottom end of the object placing table are symmetrically arranged on one side of the cutting machine. Through arrangement of a sliding rail, a sliding block, a supporting plate, a limiting rod, a connecting frame, a limiting spring, a handle, a cleaning assembly, a mounting plate, a clamping groove, a clamping block and a cleaning plate, when materials adhere to the cutting disc of the cutting machine, the sliding block is inserted into the inner side of the sliding rail till the cleaning assembly is located on the outer side of the cutting disc of the cutting machine, and the cleaning plate is tightly attached to the cutting disc of the cutting machine by pushing the handle; due to the fact that the cutting disc continuously rotates at a high speed, materials attached to the outer side of the cutting disc can be separated from the cutting disc, the cutting disc can be cleaned in the operation process of the cutting machine through the design, the cutting disc does not need to be detached for cleaning, and the working efficiency is improved.

The adjustable transverse cutting device comprises a shell and a plate body, a storage groove is formed in the shell, an opening communicated with the storage groove is formed in the front face of the shell, a cover plate corresponding to the opening is connected to the front face of the shell in a rotating mode, a bolt is arranged on the side, away from the shell, of the cover plate, and the side, away from the shell, of the cover plate is connected with the plate body in a rotating mode. The cover plate is fixed to the shell through bolts, a hollow groove communicating with the containing groove is transversely formed in the outer side wall of the shell, the plate body is slidably inserted into the hollow groove, the two ends of the plate body penetrate through the hollow groove correspondingly, and a transversely-arranged first electric push rod is fixedly inserted into the side, opposite to the plate body, in the containing groove. And one end of the first electric push rod penetrates through the shell. According to the utility model, the built-in cutting wheel disc is adopted to realize the transverse cutting operation of the plate, so that the operation safety is obviously improved, the splashing and diffusion of chippings are reduced, the environment is protected, and the influence on users is reduced.

The utility model relates to a single-head radish strip machine, and aims to efficiently and safely cut a radish into two strip-shaped structures of which the tops are kept connected so as to meet the requirements of hanging and airing. The equipment mainly comprises a supporting frame, a limiting mechanism, a clamping and rolling mechanism, a cutter mechanism and a transmission mechanism. The limiting mechanism is matched with a spring through a sliding rod to guide radishes to enter; the clamping rolling mechanism adopts concave rollers which are symmetrically arranged, is driven by a direct current motor and ensures stable movement through a synchronous movement assembly; the cutter mechanism comprises a transverse cutter and a longitudinal cutter, and a cross-shaped cutting structure is formed to accurately cut radishes. The transmission mechanism achieves power transmission through a gear and rack system. During operation, after being guided in through the inlet baffle, radishes are driven by the concave rollers to be downwards and synchronously unfolded, cutting is completed through the cross-shaped cutting structure, and finally a four-strip-shaped structure with the tops connected is formed. By means of the design, the problems that traditional manual cutting is high in labor intensity and low in efficiency, and potential safety hazards exist are solved.

The application provides a defect detection and rejection device for a cross cutting machine and a control method thereof, wherein the defect detection and rejection device for the cross cutting machine comprises a rack, a controller, a defect detection mechanism and a spiral cutter paper cutting mechanism, the rack is sequentially provided with a pay-off mechanism for laying a reel paper, an incremental encoder, a waste product rejection mechanism and a paper arrangement and collecting mechanism from front to back, the defect detection mechanism is arranged between the pay-off mechanism and the incremental encoder, the spiral cutter paper cutting mechanism is arranged between the incremental encoder and the waste product rejection mechanism, and the defect detection mechanism, the spiral cutter paper cutting mechanism, the waste product rejection mechanism, the incremental encoder and the paper arrangement and collecting mechanism are electrically connected with the controller. According to the application, the cutter signal is used instead of the photoelectric signal used by other visual systems, and the positioning virtual frame ID prediction acquisition solves the problems of reel paper surface imaging, defect detection in a single sheet mode and waste product rejection.

The utility model relates to non - woven fabric processing technical field, the utility model discloses a kind of non - woven fabric ultrasonic stitching equipment, comprising: mounting on the unwinding roller of rack, tension roller, located the output end of unwinding roller, ultrasonic stitching device and second ultrasonic stitching ware, the output end of the tension roller is located in ultrasonic stitching device, and the ultrasonic stitching device includes rotating rod, first ultrasonic stitching ware and limit roller are installed on the rotating rod, first cutting roller and second cutting roller, winding device, two conveying rollers are installed in the side of winding device, cross cutting device, including cutting knife, cutting plate is installed below the cutting knife.The utility model has the advantages that after twice ultrasonic stitching, the non - woven fabric in the application forms a non - woven fabric packaging bag with only one opening, the non - woven fabric packaging bag is directly stitched into shape by cross cutting device, pulling device and second ultrasonic stitching ware in the application, without manual operation throughout, time-saving and labor-saving, and stitching is accurate.

The utility model relates to the technical field of transverse shearing of cold-rolled sheets, in particular to a transverse shearing device for cold-rolled sheets, which aims to solve the problem that in the prior art, after the cold-rolled sheets are transversely cut, burrs easily appear at notches due to stress generated during transverse cutting, so that the quality of the transversely cut cold-rolled sheets is affected. A transverse cutting bin is fixedly connected to the top of the support, hydraulic telescopic rods which are symmetrically arranged are fixedly connected to the inner wall of the top of the transverse cutting bin, and cutting knives are fixedly connected to the bottoms of the hydraulic telescopic rods. The hydraulic telescopic rod extends to drive the cutting knife to move downwards to be matched with the cutting pad to transversely cut the cold-rolled sheet, after transverse cutting is completed, in the process that the hydraulic telescopic rod drives the cutting knife to reset, the grinding mechanism can grind the transverse cutting position of the cold-rolled sheet, and therefore burrs at the transverse cutting position of the cold-rolled sheet are removed; therefore, the transverse cutting and processing quality of the cold-rolled sheet is ensured.

The utility model discloses a traction cross shear device which comprises a left memorial archway and a right memorial archway which are symmetrically arranged, the top of the left memorial archway and the top of the right memorial archway are connected through a cross beam, knife rest oil cylinders and traction roller oil cylinders are arranged at the two ends of the cross beam respectively, and cylinder rods of the knife rest oil cylinders penetrate through the cross beam to be connected with the top of an upper knife rest. A lower cutter is arranged below the upper cutter; a cylinder rod of the traction roller oil cylinder penetrates through the cross beam and is connected with the bearing seats, two ends of the upper traction roller are respectively arranged on the corresponding bearing seats through bearings, the lower traction roller is arranged below the upper traction roller, one end of the upper traction roller is coupled with a rotating shaft of the hydraulic motor, and a fixing seat of the hydraulic motor is fixedly connected with the corresponding bearing seat; a material pressing strip and a lower supporting piece are arranged in front of the upper cutter and the lower cutter. When the materials are cut, the materials are clamped through the material pressing strip and the lower supporting piece, deformation of the materials during cutting is avoided, and the better cutting effect is achieved.

The invention discloses a novel corrugated board forming process, which comprises an uncoiler, a preheating forming machine, a gluing machine, a glue preparation tank, a feeding mechanism, a drying box, an edge trimmer, a quality inspection machine, a transverse cutting machine and a longitudinal cutting machine, and the assembly process comprises the following steps: firstly, adding corn starch, borax, caustic soda flakes and water into the glue preparation tank through an adding port for mixing, so as to prepare corn starch glue; continuously supplying the corn starch glue to the gluing machine for use, and introducing steam into the preheating forming machine and the drying box; secondly, corrugated base paper is fed through an uncoiling machine, then preheated and formed through a preheating forming machine and then fed into a gluing machine to be subjected to gluing processing, and after gluing, the corrugated base paper is conveyed into a drying box through a feeding mechanism to be dried; and finally, the paperboards subjected to edge cutting treatment are fed into a quality inspection machine for quality inspection, and finished products with qualified quality are fed into a finished product collecting box for storage. The preheating forming machine is arranged, and corrugated base paper fed by the uncoiling machine can be preheated and formed through the preheating forming machine.

The utility model discloses a cross cut line unreeling machine, which belongs to the technical field of steel production and comprises a machine frame and an energy releasing frame. The rack is used for unwinding a steel coil. A plurality of damping pieces are arranged in the energy releasing frame, and the releasing end of the steel coil movably penetrates through the energy releasing frame and makes contact with the damping pieces. When a steel coil is unwound, the front end of the steel coil firstly passes through the energy releasing frame, and the steel coil is in dynamic contact with the damping pieces in the energy releasing frame and then enters a cross cut line to be straightened, sheared and the like. And when the front-end silicon steel is dragged, the rear-end silicon steel is subjected to continuously controllable resistance from the damping piece in the energy release frame, so that the transition-section silicon steel generates tension. And by applying tension, the dragging force of the silicon steel is weakened, and the situation that an unwinding rotating shaft of the unwinding machine is fully dragged to rotate, and steel coils are released redundantly is avoided. Tension is applied through resistance, and the silicon steel can counteract inertia through the tension in a small wrap angle or no wrap angle state.

It is known that if the bend line of the undercut (the innermost part (bottom) of the undercut, the intersection of the diagonal cut line and the cross cut line) is formed perpendicular to the felling target, then by making an appropriate back cut afterward, the tree can be felled accurately toward the felling target. This specification discloses a technique that reduces the burden of verification work compared to conventional methods and allows for accurate verification of the direction perpendicular to the bend line. [Solution] The tree felling target indicator disclosed herein is elongated and plate-shaped, and has a contact portion having a first long side and a second long side opposite to the first long side, and an elongated plate-shaped indicator portion extending perpendicularly from the center of the first long side. When viewed from above, the contact portion and the indicator portion form a T shape.

The utility model discloses a transverse cutting machine for producing a profiled bar extruded sheet, which comprises a rack, a platform arranged on the top of one side of the rack and used for bearing the profiled bar extruded sheet, a conveying belt transversely surrounding the outer side of the middle of the rack and used for supporting the profiled bar extruded sheet in conveying, a pressing mechanism arranged on the top of the platform and used for supporting the profiled bar extruded sheet in conveying, and a cutting mechanism arranged on the top of the platform and used for cutting the profiled bar extruded sheet in conveying. The pressing mechanism is arranged at the top of the platform and used for pressing the profiled bar extruded sheet on the top of the platform, and the cutting mechanism is arranged at the bottom of the platform and used for transversely cutting the profiled bar extruded sheet on the top of the platform. By arranging the pressing mechanism, the cutting mechanism and the driving mechanism which operate independently, the cutter can move at the same speed along with the conveying speed of the profiled bar extruded sheet, balance and stability of the profiled bar extruded sheet can be guaranteed during transverse cutting, deviation of the profiled bar extruded sheet is avoided, the automation degree is high, and the production efficiency is improved. The transverse cutting device can adapt to a production line with the high production speed, is high in cutting efficiency and can complete a large number of transverse cutting procedures of the profiled bar extruded sheets in a short time.

The embodiment of the application provides a control method, a control system, a controller and a cross cutting machine. The control method comprises: acquiring a displacement value of a current plate strip recorded by each cross cutting machine in the same time, wherein the cross cutting machines are arranged in parallel; calculating a deviation value of the displacement value of one cross cutting machine and the displacement value of other cross cutting machines; and the other cross cutting machines correct their cutting coordinate system or cutting position according to the corresponding deviation value. The embodiment of the application makes any fault of any cross cutting machine not affect other cross cutting machines, and can switch to other cross cutting machines to continue the cutting task not completed by the fault machine without disturbance; and the cross cutting machines can be combined to perform joint cutting operation of different cutting positions of the same plate, thereby meeting the requirement of fine cutting task.