55results about How to "Reduce indentation" patented technology

The invention relates to the field of equipment for stainless steel bands, in particular to a self-discharging type stainless steel band winding device and method. The sliding rail is fixedly connected to the base; the sliding seat is connected to the sliding rail in a sliding manner; the bearing table is connected to the sliding seat in a sliding manner; the reset spring is fixedly connected between the bearing table and the sliding seat; the limiting groove is fixedly connected above the sliding rail; and the raised lines are fixedly connected to two sides of the bearing platform. The supporting plates are arranged to be unfolded and folded relative to the roller shaft, a stainless steel strip coil is fixed and loosened, and supporting points of the stainless steel strip coil are transferred in the loosening process, so that a reset spring can buffer the stainless steel strip coil, impact counteracted by the gravity of the stainless steel strip coil on the body is reduced, and the service life of the stainless steel strip coil is prolonged. And indentations generated on the stainless steel strip coil are reduced as much as possible, and the product quality of the stainless steel strip coil is guaranteed.

The invention discloses an image measuring instrument with an auxiliary positioning function, and relates to the technical field of image measurement, the image measuring instrument comprises a placing frame and further comprises a positioning device, a placing hole is formed in the front side of the placing frame, a light supplementing device is arranged on the inner wall of the placing hole, a fixing rod is fixedly installed on the inner wall of the placing frame, and the positioning device is arranged on the fixing rod. Displacement equipment is slidably mounted on the circumferential surface of the fixing rod, image measurement equipment is arranged on the front side of the displacement equipment, a placement frame is fixedly mounted at the bottom of the inner wall of the placement frame, and the positioning device comprises a positioning groove, an electric push rod, a push plate, a supporting groove, a supporting rod, a supporting plate, a protection groove, a hollow block and a sliding block. The hollow block is limited by the sliding block, so that the push plate cannot continuously move in the direction close to the positioning groove, scraping and indentation on the surface of the workpiece can be reduced through reasonable clamping force, it can be ensured that the workpiece is kept at the stable position in the measuring process, and displacement or inclination caused by improper clamping is avoided.

The invention provides a path planning method, self-moving equipment, electronic equipment and a storage medium. The self-moving equipment has a corresponding working path in a working area. The method comprises the steps that in response to a moving instruction, a target sub-path is determined from sub-paths of a working path according to a device position point of a self-moving device, and the sub-paths extend to the area boundary of a working area; based on the target position point, the device position point, the region boundary and the target sub-path, a moving path of the self-moving device moving from the device position point to the target position point is planned, and the moving path comprises a first moving path from the target sub-path to the region boundary and a second moving path from the region boundary to the target position point; the target position point is located at the region boundary. By using the method, the energy consumption can be reduced, and the influence on the aesthetic degree of working environments such as lawns and the like can be reduced, so that the working effect of the self-moving equipment can be ensured.

The utility model discloses a drainage tube tail end anti-folding device which comprises a negative pressure ball, a sealing cover is fixed on the surface of the negative pressure ball in a threaded connection mode, a drainage tube body is installed on the sealing cover in a density mode, and meanwhile the connecting position between the drainage tube body and the sealing cover is limited through an anti-folding device body. Mounting openings are formed in the surfaces of the sealing covers; the anti-folding device body comprises a limiting spring, the bottom of the limiting spring is fixedly connected with a mounting piece, and meanwhile the bottom of the mounting piece is fixedly connected with a fixing cylinder. According to the anti-bending device for the tail end of the drainage tube, the position above the root of the drainage tube body is prevented from being bent through the limiting spring, the situation that when a patient gets up and turns over, the joint between the drainage tube body and the negative pressure ball is bent is avoided, the drainage tube body can keep a smooth state when the patient moves, and effective drainage is conducted; meanwhile, the situation that when the drainage tube body is folded, drainage of a patient cannot be dynamically observed, and judgment and diagnosis and treatment of a doctor are hindered is avoided.

The utility model discloses a cable measuring device for electric power engineering construction, and relates to the technical field of electric power engineering construction. The device comprises a base, the top of the base is fixedly connected with a shell, a cable is arranged in the shell, the right side of the base is fixedly connected with a blocking shell, a conveying roller is arranged above the base, the front face of the shell is fixedly connected with a supporting block, and the left side of the supporting block is fixedly connected with a second motor. The right output end of the second motor is fixedly connected with a gear. The marking assembly is arranged, specifically, an electric push rod is started to drive a connecting block to move upwards so that a printing wheel can make contact with a cable, then a second motor is started to drive a gear to rotate, the gear drives a gear ring to rotate, and the printing wheel rolls on the cable, so that the cable is embossed and marked, and the printing wheel stops after rotating for a circle; in this way, too many indentations can be avoided, measurement can be more accurate, and damage to the cable can be avoided due to reduction of the indentations.

The utility model provides wire drawing equipment for cable production, which relates to the technical field of cable production and comprises a base, a rack is fixedly mounted on the top surface of the base, and a driving motor and a mounting block are fixedly mounted on the surface of the rack. The direct contact pressure of the guide wheel and the pressing plate on the cable can be effectively buffered through the soft material layer rubber sheet, scratches or indentations on the surface of the cable are reduced, the protection is particularly important for insulating materials and small optical fiber cables, and due to the good friction characteristic of the soft material rubber sheet, the service life of the cable is prolonged, and the service life of the cable is prolonged. According to the cable clamping device, the friction force between the cable clamping device and the cable can be increased, so that the clamping stability is improved, the cable is prevented from sliding or misplacing under the action of tension, the rubber sheet which is a soft material layer and can be replaced conveniently is designed, the rubber sheet can be rapidly replaced when being abraded or damaged, the optimal working state of equipment is kept, professional tools are not needed, or long-time shutdown maintenance is not needed; and the practicability is high.

The invention relates to the technical field of membrane attachment, and provides a ceramic membrane coating, bonding and attaching device which comprises a basic rack, a first driving part, a pressing assembly, a second driving part, a vacuum adsorption assembly and a visual assembly, a top rack is fixedly installed on the upper portion of the basic rack through a supporting rack, and the first driving part is installed on the basic rack; a bearing frame is fixedly installed at the output end of the first driving part, a lower press-fit mold is arranged at the top of the bearing frame, a press-fit assembly is installed on the lower press-fit mold, the second driving part is installed on the top rack, a lifting frame is fixedly installed at the output end of the second driving part, and an upper press-fit mold is arranged at the bottom of the lifting frame. A vacuum adsorption assembly is installed at the bottom of the upper pressing mold, and a visual assembly is installed on the top rack and used for solving the technical problems that in the related technology, when multiple layers of diaphragms are pressed, local stress concentration can be formed on the surfaces of the ceramic diaphragms through adsorption holes, then indentations are generated, and the surface quality of finished products is reduced.

The invention relates to the technical field of powder coatings, and particularly discloses an anti-indentation powder coating as well as a preparation method and application thereof. The indentation-resistant powder coating provided by the invention is prepared from the following components in parts by weight: 60 to 80 parts of GMA type acrylic acid powder resin, 20 to 30 parts of curing agent and 2 to 10 parts of wax powder, the GMA type acrylic powder resin is prepared from the following components in parts by weight: 80 to 100 parts of soft monomer, 400 to 600 parts of hard monomer, 0 to 10 parts of carboxyl functional monomer, 200 to 400 parts of ester functional monomer, 20 to 100 parts of hydroxyl functional monomer, 10 to 30 parts of initiator, 5 to 20 parts of chain transfer agent, 800 to 1200 parts of solvent and 1 to 10 parts of nano additive. The invention further provides a preparation method and application of the indentation-resistant powder coating. According to the indentation-resistant powder coating, the compression resistance of a film-forming coating can be remarkably improved, and indentations generated in the stacking process of a coating film on the surface of a hub are effectively reduced.

The invention relates to the technical field of buildings, and provides a targeted water stopping device and method for mountain tunnel construction, and the targeted water stopping device for mountain tunnel construction comprises a plurality of composite formwork units which are spliced and annularly arranged; each composite formwork unit comprises a water stop belt, a steel assembly used for fixing the position of the water stop belt, a formwork assembly detachably connected to the steel assembly and a fixing assembly used for connecting the formwork assembly and the steel assembly. The water stop belt is provided with a water drainage pipe, and the water drainage pipe is provided with a water drainage hole used for draining water retained on the water stop belt through the water drainage pipe. A barrier film is fixed to the peripheral wall of the drainage pipe and covers the drainage hole, and a thorn head used for puncturing the barrier film and a cleaning piece arranged on the thorn head are gradually arranged on the drainage pipe in the direction away from the drainage hole. The water stop belt has the beneficial effect of reducing the discharge influence on water detained on the water stop belt.

The utility model provides a straight pipe cutting mechanism which comprises a cutting part, a snapping part and a material receiving frame which are arranged in sequence, the snapping part comprises a fixing seat and a snapping seat movably installed on one side of the fixing seat, a fixing clamping die is arranged on the fixing seat, and a snapping clamping die is arranged on the snapping seat. After the pipe is pre-cut by the cutting component and moved to the position of the snapping component, the pre-cut position of the pipe is snapped by the snapping clamping die; according to the pipe cutting machine, no scraps exist in the pipe cutting process.

The utility model relates to the technical field of intensive care, in particular to an intensive care bed which comprises an intensive care bed main body, air cylinder fixing blocks are arranged at the two ends of the left side and the right side of the intensive care bed main body; the air cylinders are arranged at the upper ends of the air cylinder fixing blocks; the connecting blocks are mounted at the tail ends of the air cylinders; the fixing screws penetrate through the upper ends of the connecting blocks; the fixing screws are connected with piston rods of the cylinders. According to the intensive care bed, the defects in the prior art are overcome, the air cylinder fixing block, the air cylinder, the connecting block, the fixing screws and the pressing plate are arranged, when the air cylinder at the upper end of the air cylinder fixing block works, the pressing plate at one end of the connecting block is driven to press downwards, and then a bed sheet on the intensive care bed body can be pressed; therefore, the phenomenon that the bed sheet is not flat due to the fact that the patient turns back for many times is avoided, the bed sheet does not need to be tidied and flattened frequently, and inconvenience is caused during secondary tidying.

The utility model belongs to the technical field of clothes hangers, and particularly relates to a clothes hanger which comprises a clothes hanger body, a clamping mechanism is arranged on the clothes hanger body, a mounting seat is arranged on the clothes hanger body, a clamping part is arranged on the mounting seat, the clamping mechanism comprises a clamping piece rotationally arranged on the mounting seat, and a control connecting rod is movably arranged on the clamping piece. The control connecting rod is movably connected with the mounting base, a mounting cavity is formed in the mounting base, a movable groove is formed in the side wall of the mounting cavity, an elastic piece for driving the control connecting rod to reset is arranged in the mounting cavity, and the elastic piece can drive the clamping piece to reset through the control connecting rod; the connecting rod is controlled to penetrate into the mounting cavity through the movable groove and is matched with the elastic piece, so that the clamping piece swings towards the clamping part, and the clamping piece tightly abuts against the clamping part; and when external force acts on the clamping piece, the clamping piece can be far away from the clamping part. The utility model aims to provide the clothes hanger which is convenient to assemble and is convenient for a user to use.

The utility model discloses a kind of welding positioning devices of towed arm, including bottom plate, the upper surface of the bottom plate is fixedly connected with positioning column, the upper end of the positioning column is fixedly connected with expansion sleeve, the inner wall of the expansion sleeve is slidably connected with pressure pad, the bottom of the pressure pad is fixedly connected with sliding block, the hole of the sliding block inside is slidably connected with support rod, one side of the sliding block is fixedly connected with spring, the other end of the spring is fixedly connected with expansion sleeve, the bottom plate upper end is fixedly connected with several support columns, by setting positioning column, expansion sleeve, it can be reduced by expansion fixed towed arm to improve production quality to reduce the indentation inside and appearance on towed arm hole.

The invention relates to the technical field of new energy automobile part machining, in particular to a bending die for new energy automobile chassis part machining, which comprises an upper die base and a lower die base, a stamping part is arranged on the bottom surface of the upper die base, a fixing frame is arranged on the lower die base, and insert assemblies are symmetrically arranged on two sides in a frame body of the fixing frame. A forming cavity is formed between the two insert assemblies, and rollers are arranged on the sides, located on the forming cavity, of the two insert assemblies. In the forming cavity, the rolling wheel and the stamping part jointly act on the round rod, the round rod is stamped and formed into the U-shaped part, through the arranged insert assembly, indentations on the outer surface and the bent position of the U-shaped part are reduced, the quality and strength of a product are improved, the service life of the product is prolonged, the safety coefficient of the product is increased, and through the arranged wedge pressing block, the forming precision of the U-shaped part is improved. And the U-shaped part can be conveniently taken out through the arrangement of the spring, damage caused when the U-shaped part is taken out is prevented, and the production efficiency is improved.

The invention relates to the field of infusion instruments, in particular to an infusion port puncture positioning device which comprises a positioning cylinder, a vertically-penetrating avoiding notch is formed in the side wall of the positioning cylinder, the bottom of the positioning cylinder is communicated with a conical sleeve defined by a plurality of positioning claws, the small-diameter end of the conical sleeve is communicated with the positioning cylinder, and the positioning claws are plastic positioning claws. A gap is formed between the positioning claws, a positioning sliding hoop is slidably connected to the outer wall of the positioning cylinder and used for sliding to the positioning claws to hoop the positioning claws, multiple sets of limiting protrusions are arranged on the positioning claws on the two sides from top to bottom, and the distance between every two vertically-adjacent limiting protrusions is larger than the width of the positioning sliding hoop. The problem that an existing infusion port puncture positioning device is poor in stability can be solved.

The invention discloses a continuous printing and wet printing digital printing machine which comprises a machine frame, a driving roller and a driven roller are installed at the two ends of the machine frame, a guide belt is connected between the driving roller and the driven roller, a pressing roller and a pressing seepage part are arranged on the two sides above the guide belt, and a sizing part and an X-direction moving linear motor guide rail are arranged between the pressing roller and the pressing seepage part. A Y-direction lead screw is arranged at the bottom of the X-direction moving linear motor guide rail, a trolley Z-direction lead screw is arranged on the side of the X-direction moving linear motor guide rail, a printing trolley is connected to the trolley Z-direction lead screw, and an ink scraping mechanism and a moisturizing mechanism are arranged on the front portion, away from the printing trolley, of the rack. The method has the advantages that the technological process is simplified, indentations are reduced, the delivery time is shortened, and cost is saved.

The utility model discloses a metal material belt feeding mechanism, which relates to the technical field of middle spacer production and comprises a conveying track and a conveying driving device, a metal material belt is laid on the upper portion of the conveying track, the conveying driving device is installed on the upper portion of the conveying track, the conveying driving device can pull the metal material belt, and the conveying driving device drives the metal material belt to rotate. The metal strip feeding mechanism is arranged on the conveying rail and intermittently moves in the conveying rail at a fixed distance every time, the arranged conveying driving device, the driving traction module and the driven traction module are connected through the linkage rod, synchronous action is achieved, and the stability of a middle partition piece in the conveying process is guaranteed. By means of the design, damage caused by bending, twisting or vibration of the middle partition piece is avoided, and the product quality is guaranteed. In addition, due to the fact that the contact area between the conveying mechanism and the metal material belt (namely the material belt where the middle partition piece is located) is small and even, scratches or indentations are reduced, and the product quality is further improved.

The utility model discloses a paper roll fixing device for a printing factory, and relates to the technical field of paper roll fixing. The device comprises a bottom frame, two sliding groove plates are fixedly connected to the top of the bottom frame, two sliding grooves are formed in the bottom frame, and supporting assemblies are arranged in the two sliding grooves; the sliding frame comprises a bottom frame located above the bottom frame, the bottom of the bottom frame is fixedly connected with two sliding rails slidably connected into the two sliding groove plates respectively, the edge of one side of the top of the bottom frame is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a soft plate, and the back face of the soft plate is provided with a radian adjusting assembly. The distance adjusting assembly comprises two mounting bases fixedly connected to the top of the bottom frame, a two-way screw is rotationally connected into the two mounting bases, and first hand wheels are fixedly connected to the two ends of the two-way screw. By adjusting the distance between the two bottom frames and the radian of the soft plate, a paper roll is fixed more stably, pressure can be dispersed, and indentations on the surface of the paper roll are reduced.

The utility model belongs to the technical field of bearing ring polishing, and particularly relates to a bearing ring polishing device for bearing production, which comprises a machine table and a three-jaw chuck arranged in the machine table, a stand column and an inner steel ring are sequentially arranged in the middle of the three-jaw chuck from bottom to top, and the central axis of the inner steel ring coincides with the central axis of the stand column. A sliding mechanism is arranged on the lower edge of the inner steel ring, a plurality of outer arc-shaped plates are distributed on the outer portion of the inner steel ring in a circumferential array mode, the middles of the outer sides of the outer arc-shaped plates directly face clamping jaws of the three-jaw chuck respectively, the outer arc-shaped plates are all in sliding connection with the sliding mechanism, and frosted rubber pieces are fixed to the sides, close to the inner steel ring, of the outer arc-shaped plates. The sliding mechanism comprises an annular table fixed to the lower edge of the inner steel ring, a plurality of sliding grooves are distributed in the lower surface of the annular table in a circumferential array mode, and the sliding grooves are in sliding connection with the adjacent outer arc-shaped plates. The clamping jaws of the three-jaw chuck are prevented from being in direct contact with the bearing ring, the clamping area is increased, and unnecessary indentations on the polished surface of the bearing ring are reduced.

The utility model discloses a drinking water aerosol inhalation device for radiotherapy patient nursing, which comprises a device main body, a water storage tank, an atomizing cup, an ultrasonic atomizing sheet and a heater, the water storage tank is fixed on one side of the surface of the device main body, the atomizing cup is arranged in the device main body, the ultrasonic atomizing sheet is arranged at the bottom of the atomizing cup, and the heater is arranged on the atomizing cup. The heater is installed in the atomizing cup, heating wires are installed in the heater at equal intervals, a fan is installed at the top of the atomizing cup, a water pump is installed on one side of the bottom of the device body, a corrugated hose is arranged above the device body, and a mouthpiece is arranged at the bottom end of the corrugated hose. The mouth piece not only has a good moistening effect on the oral cavity and can effectively relieve the symptom of dry mouth of a radiotherapy patient, so that water mist inhaled by the patient is kept at a proper temperature, but also is convenient to fix the mouth piece in the mouth, the tightness of the ear hanging rope is adjustable, and the mouth piece is labor-saving and convenient.

The invention discloses automatic toy assembling equipment, relates to the field of assembling and processing in the manufacturing industry, and solves the problems of locking and fixing between toy parts. Automatic toy assembling equipment comprises an insulating dustproof shell and a control panel, a discharging structure is installed at the bottom end of the interior of the insulating dustproof shell, a part locking structure is installed on one side of the discharging structure, toy parts are assembled through the part locking structure, a lossless demolding structure is installed at one end of the discharging structure, and the lossless demolding structure is installed at the other end of the discharging structure. The top end of the blanking structure is provided with a toy part model assembly; according to the device, the knob clamping piece is used for clamping the fixed knob piece to rotate, the assembled toy parts can be further reinforced, in addition, the device can lock the fixed knob piece in the right position, and can also lock the special-shaped shielded toy with the relatively-deviated position and the relatively-small size; in addition, the toy mold can be safely disassembled after assembly is completed.

The invention discloses a spindle-shaped foot roller capable of improving the quality of a plate blank, a foot roller system and a continuous casting method. The spindle-shaped foot roller comprises a foot roller center part, a foot roller edge part and a foot roller transition part. The roller surface diameter of the central part of the foot roller is 105 mm, and the roller surface diameter of the edge part of the foot roller is 100 mm; and the foot roller transition part between the foot roller center part and the foot roller edge part adopts a curve smooth transition design. Through geometric parameter optimization and transition design of the spindle-shaped foot roller, the supporting effect of the narrow-face blank shell can be improved, meanwhile, mechanical pressure can be evenly distributed, the blank type and the surface quality of a casting blank are effectively improved, and meanwhile defects and production risks are reduced.

The reciprocating feeding device for the badge embossing machine comprises the embossing machine, one end of the embossing machine is a feeding end, the other end of the embossing machine is a discharging end, the embossing machine is used for pressing a pattern layer belt and an adhesive layer belt, the reciprocating feeding device further comprises a rack and a conveying mechanism, the rack is erected at the discharging end of the embossing machine, the conveying mechanism is arranged on the rack, and the conveying mechanism is arranged on the rack. The conveying mechanism is used for pulling out the embossed badge belt along the embossing area, the conveying mechanism comprises a transverse conveying assembly and a clamping assembly, the transverse conveying assembly is arranged on the rack in a sliding mode in the length direction of the rack, and the clamping assembly is arranged on the transverse conveying assembly; the transverse conveying assembly is used for pulling out the badge belt clamped by the clamping assembly along the embossing area of the embossing machine, the transverse conveying assembly bears the clamping assembly, the sliding stroke distance of the clamping assembly along the rack is the same as the length of the embossing area of the embossing machine, and the device has the effect that the pattern layer belt and the adhesive layer belt can be conveniently and orderly fed into the embossing area of the embossing machine.

The utility model provides a kind of wafer epitaxy measuring device, it is related to precision machinery contact protection technical field.Wafer epitaxy measuring device includes support, drive arrangement, connecting rod and mercury-containing capillary, drive arrangement is fixedly installed on support;One end of connecting rod is fixedly connected with the moving end of drive arrangement, and the other end extends along horizontal direction;Mercury-containing capillary is fixedly arranged at the end of connecting rod away from drive arrangement, mercury-containing capillary is arranged at the underside of connecting rod, mercury-containing capillary extends towards the side away from connecting rod, the measuring end of mercury-containing capillary is provided with recess, recess is embedded with elastic washer, and elastic washer protrudes to the measuring end surface of mercury-containing capillary outside.The test device of the application can not only effectively reduce the indentation left by quartz mercury-containing capillary on wafer surface, improve yield, but also can alleviate the damage caused by foreign matter on wafer surface to mercury-containing capillary, save a lot of mercury-containing capillary replacement cost and maintenance cost.

The invention relates to the technical field of lithium ion batteries, and discloses a method for improving pole piece cracks caused by positive pole lug marks, which comprises the following steps: 1) obtaining a pole piece with a coating area and an empty foil area which are mutually spaced; 2) performing chamfering treatment on four right angles at the bottom of the rectangular tab to obtain a tab with a fillet at the bottom; (3) welding the bottom, with the fillet, of the tab in the empty foil area of the pole piece through welding equipment; (4) rolling the pole piece welded with the pole lug; (5) the cylindrical roll core is arranged in the steel shell; the right angle of the positive pole lug is designed into the round corner, so that indentations left on the pole piece by the pole lug can be reduced; the round corner design can reduce stress concentration, so that the pressure is dispersed more uniformly, and cracks of the pole piece are reduced; the edge of the tab is sharpened, that is, the thickness of the edge is reduced, so that the pressure dispersion effect can be further enhanced; the sharpened edge can better bear the pressure on the pole piece, and cracks of the pole piece are avoided.

The protection pad comprises a protection base body, the protection base body is in an arc shape in the length direction, the cross section of the protection base body is in a U shape, an inserting groove is formed in the middle of the protection base body, the protection base body is composed of an outer skin-friendly layer and an inner pressure reduction layer, and the outer skin-friendly layer and the inner pressure reduction layer are in an arc shape. The protection base body is designed into a gradually narrowed slope shape, the use function of the protection base body is targeted, the obvious effect is achieved for solving the problem, the protection base body is installed on the edges of the top and the bottom of the brace, the knee joint of the leg, the skin near the knee, the ankle joint and the skin near the instep can be protected, direct contact is avoided, and the protection effect is good. And bruises or indentations of the skin are reduced.

This invention relates to the field of rock and soil exploration technology, and discloses a rock and soil drilling exploration device for engineering construction. The device includes a main body with a support frame rotatably connected inside. A drill rod is mounted on the side wall of the support frame. When two arc-shaped plates form a cross shape around the outer surface of the drill rod, the invention enhances the rotational force of the motor, causing the motor to drive the drill rod to rotate and disengage from a jammed state via a threaded shaft. After disengagement, the hydraulic rod retracts to its output end. As the hydraulic rod retracts, it resets the two arc-shaped plates, allowing them to fit onto the outer surface of the drill rod, enabling normal operation. This reduces the likelihood of the drill rod jamming when encountering harder rock layers during rotation within the rock and soil strata, thus improving the exploration quality of the device.

The utility model relates to the technical field of pipeline machining, in particular to a polyethylene pipeline hot melting joint flanging and cutting device which comprises a machine body, a first clamping block, a second clamping block, a beating layer, fixing shafts, connecting plates, an edge pressing conveying mechanism, a cutting mechanism, a clamping plate, a clamping rod, a cutting knife and a pre-walking wheel. An edge pressing conveying mechanism is arranged between the two connecting plates; when the device is used, a large ratchet wheel driving structure is changed into a two-small-ratchet-wheel driving structure, when the device is used for cutting, indentations on a sample can be reduced, the sampling quality is improved, meanwhile, the two ratchet wheels are driven by the motor and the speed reducer to replace a traditional manual pulling mode, cutting of the device can be continuously and stably carried out, and the working efficiency is improved. And meanwhile, manpower and time required by flanging and cutting are saved, and the working efficiency is improved.