407 results about "Annular cutter" patented technology

The utility model relates to the technical field of industrial wastewater treatment, in particular to industrial wastewater treatment equipment. Comprising a tank body, a water inlet, a stirring shaft and stirring fan blades, the stirring shaft is driven by a driving device, a dispersing disc is fixedly installed on the stirring shaft and located above the water inlet, an annular discharging groove is formed in the dispersing disc, a plurality of dispersing holes are evenly formed in the bottom of the discharging groove, and a top cover is detachably connected to the top of the tank body; at least one distribution plate is installed on the top cover, the lower end face of the distribution plate is attached to the bottom of the discharging groove, and a feeding device is installed on the top of the tank body and used for conveying materials to the dispersing disc; the problems that when a medicine added into industrial wastewater is powder, the powder is directly added into the wastewater and is prone to caking, and the mixing uniformity of the medicine and the wastewater is affected are effectively solved. The medicine powder dispersing device is convenient to use, medicine powder can be effectively and uniformly dispersed and thrown into waste water needing to be treated, and the mixing degree of the medicine powder and the waste water is improved.

The invention discloses an annular cutting device for power cable processing in the technical field of cable processing, which comprises a base, a feeding guide structure, a discharging guide structure, an annular cutting mechanism and a positioning mechanism, and is characterized in that the annular cutting mechanism comprises a fixed seat, a rotating assembly, an annular cutter, a limiting adjusting assembly and a plurality of circumferential limiting assemblies; the positioning mechanism comprises a fixing plate, a fixing cylinder, a wire clamping and positioning assembly and a positioning and adjusting assembly, the wire clamping and positioning assembly is adjusted through the positioning and adjusting assembly, and the two side sections of the cable girdling position are positioned and tensioned; the positions of the multiple circumferential limiting assemblies and the annular cutter are adjusted through the limiting adjusting assembly, then annular cutting machining of the cable is achieved during rotation, the annular cutting position is limited and supported through the circumferential limiting assemblies, and the position stability of the cable is improved; the position of the annular cutter is adjusted through the adjusting structure, so that the annular cutter can exactly cut into a proper depth position on the outer side of the cable according to the cable structure and processing requirements.

The utility model discloses a PU (polyurethane) antistatic insole preparation device, which relates to the technical field of insole production and comprises a lifting part and a cutting table. The lifting part is provided with a stacking groove for stacking insoles, the bottom of the lifting part is provided with an annular cutter corresponding to the stacking groove, and the inner wall of the stacking groove is provided with a supporting edge for supporting the insoles; a cutter groove matched with the annular cutter is formed in the cutting table, a lifting plate is movably arranged on the cutting table, and the lifting plate and the stacking groove are correspondingly arranged; the lifting part is used for driving the annular cutter to move towards the cutter groove close to the cutting table so as to cut the PU cushion material to form the insole, and the lifting plate is used for lifting the insole into the stacking groove and supporting the insole on the supporting edges. Compared with a traditional insole production mode, the PU antistatic insole preparation device has the advantages that the production mode is simpler, the insoles do not need to be manually dug out from PU films for collection, a large amount of manpower is saved, and the production efficiency of the PU antistatic insoles is improved.

The invention relates to the technical field of hard rock drilling construction, in particular to a rock breaking hob, a shield tunneling machine cutterhead and a shield tunneling machine. The rock breaking hob comprises a cutter shaft, an annular cutter body and a plurality of pressurizing assemblies; an annular cavity communicated with an external high-pressure water source is formed in the cutter shaft; the annular cutter body is rotationally arranged on the cutter shaft, and a plurality of blind holes are formed in the annular cutter body; the pressurizing assembly comprises a compression block, a plugging block and a first elastic piece; the compression block is in sealed sliding connection with the inner wall of the blind hole to form a compression cavity, and a plurality of first channels used for communicating the compression cavity with the annular cavity are formed in the annular cutter body; a sliding groove, a communicating hole and a water spraying hole are formed in the compression block; the sliding groove communicates with the compression cavity through the communicating hole. The sliding groove communicates with the end face of one end of the compression block through the water spraying hole. The plugging block is slidably connected with the sliding groove and blocks the water spraying hole when located at the end, close to the central axis of the annular cutter body, in the sliding groove. The first elastic piece is used for enabling the compression block to pop out of the blind hole. The rock breaking device has the effects of reducing water source waste and improving the rock breaking efficiency.

The invention discloses a cutting and shaping device for an acupoint pressure stimulation patch, and relates to the technical field of traditional Chinese medicine, the cutting and shaping device comprises a base, a moving plate is slidably connected with a third fixing plate through a sliding assembly, an annular cutter is fixedly mounted at the bottom of the moving plate, an elastic part is arranged in the annular cutter, and an intermittent rotating part is arranged on the base. A disinfection box is fixedly mounted on the surface of the moving plate, a transmission part is arranged on the disinfection box, the intermittent rotating part moves to drive the winding roller to intermittently rotate, the driving plate intermittently abuts against the sliding assembly to drive the moving plate and the annular cutter to intermittently and vertically slide on the three surfaces of the fixed plate in a reciprocating mode, continuous cutting is achieved, time is saved, and the cutting efficiency is improved. The cut acupuncture point pressure stimulation patch is pushed out of the annular cutter through the elastic component, bonding is avoided, the production efficiency is improved, and the disinfection effect is achieved by spraying disinfectant in the disinfection box to the inner wall of the annular cutter and the cut of the pressure stimulation patch through intermittent movement of the transmission component.

The invention discloses an anti-wear detection device for release film production, which comprises a base, two film winding rollers, a detection table and a lifting millstone mechanism, the detection table is arranged between the two film winding rollers; the lifting millstone mechanism is arranged above the detection table in a matched manner. The device further comprises a membrane sample separation mechanism and a vacuum adsorption mechanism. When the annular cutter completes cutting and descends to a set position, the fixed pressing ring sucks a film sample through the negative pressure adsorption mechanism, the arranged annular magnet descends to the position close to the fixed pressing ring at the moment, the fixed pressing ring adsorbing the film sample is attracted and lifted by means of magnetic force, and therefore the film sample can be separated from the detection table; and after rising, the negative pressure adsorption mechanism is stopped, so that the film sample naturally falls and is unfolded, tension is eliminated, and the situation that the film sample generates tension in the cutting and extruding process, and the anti-wear detection result is affected is avoided.

The utility model discloses a counter-rotating speed-changing crushing device, and aims to provide a counter-rotating speed-changing crushing device which is favorable for improving the crushing effect, and comprises a rack, a crushing cylinder body is connected to the rack, a feeding hole is formed in the front side of the crushing cylinder body, a driving structure is arranged on the rear side of the crushing cylinder body, and the driving structure is detachably connected with the crushing cylinder body; a first cutter head, a second cutter head and an annular filter screen are arranged in the smashing cylinder, the first cutter head is located on the side face of the second cutter head, the first cutter head is rotationally connected with the smashing cylinder in the forward direction under driving of a driving structure, and the second cutter head is rotationally connected with the smashing cylinder in the reverse direction under driving of the driving structure. The two ends of the filter screen are detachably connected with the front side and the rear side of the smashing barrel respectively, the first cutter head, the second cutter head and the feeding port are all located in the filter screen, and a discharging port corresponding to the filter screen is formed in the bottom of the smashing barrel. The crushing device has the beneficial effects that the purpose of improving the crushing effect is achieved, and the crushing efficiency is improved.

The invention relates to a method for predicting force-induced deformation of a titanium alloy thin-wall part in an end milling machining process by considering tool wear, and belongs to the technical field of cutting machining. The method comprises the following steps: firstly, constructing an annular cutter milling thin-wall part overall milling force model considering cutter wear; on the basis, a force-induced deformation model of the material removal effect in the end milling machining process of the thin-walled workpiece is established based on a small deflection deformation theory. The model can correct element stiffness matrixes at different feeding positions after materials are removed in the milling process of the thin-wall part, and rapid extraction of force-induced deformation of the thin-wall part is achieved. Finally, an iterative calculation method is adopted, and accurate prediction of cutting force and machining deformation at different feeding positions in the end milling machining process of the thin-walled workpiece is achieved. According to the method, the influence of cutter abrasion on the milling force when titanium alloy type difficult-to-machine materials are milled is considered, and the force-induced deformation predicted value after cutter abrasion in end milling of the titanium alloy thin-wall part can be accurately obtained.

The utility model belongs to the technical field of numerical control tool magazines of machining centers, and particularly relates to a double-ring numerical control tool magazine, which comprises a base, a cutterhead and a servo motor, and is technically characterized in that a turntable bearing is arranged above the base, and an inner ring of the turntable bearing is fixedly connected with the upper surface of the base; the cutter head is located above an outer ring of the turntable bearing and fixedly connected with the outer ring, the center line of the cutter head coincides with the center line of the turntable bearing, a double-annular cutter claw structure is fixed to the outer edge of the cutter head, and a transmission structure is arranged between the outer ring of the turntable bearing and the servo motor. The tool magazine solves the problems that an existing tool magazine is small in capacity and low in tool changing efficiency, the capacity and the tool changing efficiency of the tool magazine are effectively improved, and meanwhile the tool magazine is provided with an efficient and stable driving structure.

The invention relates to the technical field of cloth testing and sampling, in particular to a cloth testing and sampling device which comprises a conveying device used for conveying cloth, the conveying device is composed of a sliding seat, an electric sliding table and a storage table, and a sampling cutter is arranged above the sliding seat; a driving mechanism for driving the sampling cutter is arranged outside the sliding seat; the sampling cutter comprises an annular cutter and a telescopic sleeve, and the annular cutter is telescopically connected with the telescopic sleeve; the driving mechanism comprises a rotary drum, a connecting piece is arranged outside the rotary drum, an abutting piece abutting against the rotary drum is arranged on the connecting piece, and a transmission rod fixed to the upper surface of the telescopic sleeve is arranged outside the rotary drum. The cloth sampling device is high in automation degree, manual intervention is reduced, the sampling efficiency and accuracy are improved, the annular cutter cuts cloth in the rotating and pressing process, it can be guaranteed that the cutting edge is neat, the sample quality is good, and the design of the telescopic sleeve can meet the sampling requirements of cloth with different thicknesses.

The utility model discloses a hob type edge cutting machine for a sintered felt, and relates to the technical field of sintered felt production. The cutting device comprises a supporting frame, a pushing table, moving plates and a cutting assembly, supporting plates are fixed to the two short edges of the top of the supporting frame, the pushing table is arranged above the supporting plates, mounting plates are symmetrically fixed to the two sides of the pushing table, the moving plates are arranged on the tops of the mounting plates, limiting plates are fixed to one ends of all the moving plates, and the limiting plates are fixed to the other ends of all the moving plates. The limiting plate is arranged at the top of the pushing table, a cutting assembly is arranged on one side of the supporting frame and comprises a speed reducer, a rotating shaft and an annular cutter, the rotating shaft is fixed to the output end of the speed reducer, and the annular cutter is fixed to the middle of the peripheral side of the rotating shaft and arranged at the top of the pushing table. Through the arrangement of the supporting frame, the push table, the movable plate and the cutting assembly, the problems that cutting machine equipment needs to be adjusted in multiple directions when different widths are cut in the edge cutting process of sintered felt, and the limiting flexibility of cutting is not high enough are solved.

The invention discloses a transmission gear machining device, and relates to the field of precision machining, the transmission gear machining device comprises a rack, a control system is arranged in the rack, a step table top is arranged on the top surface of the rack, and a chain plate conveying belt and a lifting mechanism are arranged on the step table top; the device further comprises a driving mechanism, an annular cutter, a fixing mechanism and a collecting box. The die holder matched with the gear is designed on the chain plate conveying belt, the gear disc is prevented from rotating, then the lifting mechanism and the driving mechanism are used for driving the annular cutter to wrap the outer edge of the gear disc for chamfering treatment, and meanwhile the elastically-installed fixing mechanism is additionally arranged at the connecting position of the annular cutter and the driving mechanism; before chamfering, the descending lifting mechanism is used for enabling the fixing mechanism to move downwards to be matched with the die holder for extrusion and fixation, automatic fixation is achieved during chamfering, a machined gear disc does not need to be assembled and disassembled, continuous feeding is achieved in cooperation with a chain plate conveying belt, and the working efficiency is greatly improved.

The invention provides a diamond cutter for trimming an inner gearing honing grinding wheel. The diamond cutter comprises an annular cutter base body and a diamond layer arranged on the front side of the cutter base body. The diamond layer and the cutter base body are coaxially fixed; and modification helical teeth are arranged on the periphery of the diamond layer, so that end face tooth blades of the modification helical teeth are used for trimming the honing grinding wheel. The diamond cutter is of an outer tooth-shaped bevel gear structure, when meshing finishing is conducted on the honing grinding wheel, material removal is conducted on the honing grinding wheel only by means of the end face tooth blades of the modification bevel teeth on the diamond layer, the modification bevel teeth are provided with modification tooth shapes, tooth shape modification of the honing grinding wheel can be achieved, and the honing grinding wheel is not prone to being damaged. Meanwhile, the gear honing machine tool moves to drive the diamond cutter to realize tooth direction modification on the tooth surface of the honing grinding wheel; due to the fact that the tooth surfaces of the modification helical teeth are not in contact with the tooth surfaces of the honing grinding wheels, the device can be suitable for finishing the honing grinding wheels with different tooth direction modification requirements.

The invention discloses a stripping device of a cable insulation layer, a stripping method of the stripping device and a mobile carrier, and relates to the technical field of distribution lines. The stripping device for the cable insulation layer comprises a stripping mechanism, a moving mechanism and two wire clamping and aligning mechanisms, the stripping mechanism comprises an annular cutting assembly and a longitudinal cutting assembly, the annular cutting assembly is located on one side of the longitudinal cutting assembly, and a first annular cutter and a second annular cutter of the annular cutting assembly clamp the circumference of a cable and cut off the cable insulation layer in the circumferential direction. A first longitudinal cutter and a second longitudinal cutter of the longitudinal cutting assembly abut against the two opposite sides of the cable respectively to cut off a cable insulation layer in the axis direction. The moving mechanism comprises a first moving assembly and a second moving assembly which are vertically arranged, the first moving assembly extends in the axis direction of a cable, the stripping mechanism is arranged on the first moving assembly in a sliding mode, the first moving assembly is arranged on the second moving assembly in a sliding mode, and the two wire clamping and aligning mechanisms are coaxially arranged at the two ends of the first moving assembly. And the axes of the two wire clamping and aligning mechanisms are parallel to the axis of the first moving assembly.

The invention discloses intelligent peeling and harvesting equipment for agricultural trees. The intelligent peeling and harvesting equipment comprises a walking trolley, a mechanical arm, an annular clamp fixing part, an annular longitudinal cutting part and an annular peeling part. The annular and longitudinal cutting component is a key component used for achieving annular cutting and longitudinal cutting, an annular cutter groove is cut in the surface of the bark in an annular cutting mode, after annular cutting is finished, a plurality of vertical cutter grooves are cut in the surface of the bark in a longitudinal cutting mode to be used for splitting the bark, and finally the annular peeling component is used for peeling. The barks directly fall off in a strip section mode. The problem that barks are difficult to harvest is solved, the peeling method based on the embedded blade is provided, the mechanical arm is used for carrying the ring clamp fixing part, the ring longitudinal cutting part and the ring peeling part, ring cutting and vertical cutting are used for assisting the peeling blade to be effectively embedded into the barks, peeling is carried out along the ring cutting and vertical cutting tracks, and the peeling efficiency is improved. And the harvesting efficiency and quality are greatly improved.

The invention discloses power transmission line surface foreign matter cutting equipment, and relates to the technical field of power transmission lines, the power transmission line surface foreign matter cutting equipment comprises a rack, a driving mechanism and a pressing mechanism, the driving mechanism comprises supporting legs, a round roller is rotatably installed at the top ends of the supporting legs, and a servo motor is installed at the position, close to the round roller, of the outer sides of the supporting legs; the pressing mechanism comprises an air cylinder, a top cover is installed at the extending end of the air cylinder, a wire pressing roller is rotationally installed on the outer side of the top cover through a support, a second annular groove is formed in the middle of the outer side of the wire pressing roller, and a first annular cutter is fixedly installed at the bending position of the inner side of the second annular groove. A second annular cutter is fixedly installed at the bent position of the inner side of the second annular groove, and an auxiliary assembly is installed at the end, away from the wire pressing roller, of the outer side of the top cover. The cutting equipment for the foreign matters on the surface of the power transmission line achieves the effect of removing the foreign matters, can cut the foreign matters, treats the foreign matters in time, and ensures the safety and reliability of the line.

The utility model discloses a crucible outer wall cleaning system which comprises a roller conveying line and an outer wall cleaning device. The crucible is conveyed to the outer wall cleaning equipment through the roller conveying line to be cleaned, the outer wall cleaning equipment can clean auxiliary materials attached to the outer wall of the crucible downwards through the rotating annular cutter, and manual cleaning of workers is replaced; labor force of workers is saved, efficiency is high, the cleaning effect is better, and the automation degree is high.

The invention relates to the technical field of water quality monitoring equipment, and discloses a hydrological monitoring device suitable for a complex water area, which comprises an unmanned aerial vehicle body, a winch arranged at the bottom of the unmanned aerial vehicle body, and a sampling assembly and a water quality detection assembly arranged below the winch, the bottom end of the traction rope is connected with the sampling assembly; by arranging the counterweight ring and the annular cutter below the winch and matching with the design of the locking assembly and the shearing assembly, when the sampling assembly is wound by aquatic plants, floating objects or winding sundries in a complex water area, the counterweight ring can be released to drive the annular cutter to fall to cut the sundries; if cutting is invalid, the pulling rope is cut off, and the sampling assembly is abandoned, so that the out-of-control flying and water falling accidents of the unmanned aerial vehicle caused by impurity winding are effectively avoided, the operation safety of the unmanned aerial vehicle in a complex hydrological environment is guaranteed, and the problem that equipment is easily damaged due to winding in the prior art is solved.

The utility model discloses a gluten bisection machine. The gluten bisection machine is characterized by comprising a rack, the gluten conveying mechanism is installed on the machine frame, the gluten conveying mechanism comprises a material bin and a conveying assembly, and the right end of the conveying assembly is arranged in the material bin; the top face of the conveying assembly is obliquely arranged upwards from right to left. The bisection mechanism is installed on the portion, above the left portion of the stock bin, of the rack, the bisection mechanism comprises an upper cutter assembly and a lower cutter assembly, a plurality of upper annular cutters are arranged on the upper cutter assembly at intervals, a plurality of lower annular cutters are arranged on the lower cutter assembly at intervals, and the upper annular cutters and the lower annular cutters are oppositely arranged. The upper annular cutter and the lower annular cutter are arranged in a staggered mode. According to the automatic gluten bisection device, automatic gluten bisection is achieved, the labor intensity of operators is reduced, and the gluten bisection efficiency is improved.

The utility model discloses a bee food collector which comprises a collecting pipe and a push rod. An annular cutter is integrally designed at one end of the collecting pipe; the push rod is inserted and matched with the collecting tube; when in use, the collecting tube is held by a hand, the annular cutter of the collecting tube is aligned with bee food in a honeycomb, and pressure is applied to rotatably cut in back and forth, so that the bee food is separated from the honeycomb and enters the collecting tube. Then, a push rod is inserted from the rear end of the collecting pipe 1, the push rod is pushed, the bee food in the pipe is pushed out from the front end to be collected in a corresponding container through the pushing force of the pushing end of the push rod, and the operation process is repeated till all bee food is collected. By adopting the arrangement, compared with an ear spoon for collecting bee food, the bee food collector disclosed by the utility model has the advantages that the collecting efficiency can be improved, the shape of the bee food is kept complete, and the damage to honeycombs is reduced.

The utility model belongs to the technical field of cutters, and particularly relates to a cutter for slotting, which comprises six annular cutter heads and a shaft body, a retaining disc is mounted on the shaft body and arranged between adjacent annular blades, the diameter of the retaining disc is larger than that of each annular cutter head, and the retaining disc comprises a first connecting disc and a second connecting disc. When the two annular cutter heads need to be used for grooving a wooden product, the first connecting disc and the second connecting disc are arranged between the second annular cutter head and the third annular cutter head, the extrusion blocks and the positioning holes are clamped and fixed, and the protruding plates are arranged in the positioning grooves, so that the first connecting disc and the second connecting disc are both fixedly connected with the shaft body; the grooving depth of the wooden product can be adjusted through the annular cutter heads, the baffle disc is placed between the appropriate adjacent annular cutter heads, and dust and chippings generated in the grooving process can be blocked by the annular cutter heads and the baffle disc; compared with the prior art, dust and chippings generated by grooving can be blocked.

The utility model discloses a perforating device, including base, industrial computer all -in -one, the top one side fixed mounting of base has the rack, and industrial computer all -in -one fixed mounting is in the outer wall of rack, the inboard wall fixed connection of rack has the fixed frame, one end fixed connection of fixed frame has the workstation, the top both sides of workstation all adopt the inclined plane design, the top of workstation is opened and has the bottom hole of penetrating to the bottom. In the utility model, through the rack and double -shaft air cylinder drive assembly seat down pressure, make the rubber roll on two -dimensional elastic piece cooperation inclined plane workstation automatic tensile tight plastic bag, avoid the film wrinkle or deviation when punching, annular cutter and bottom hole accurate alignment ensure that the hole rim is even, and simultaneously the fan can blow the waste into the collecting basket of screw connection, realize efficient punching and automatic cleaning, solve the problem that the traditional device is insufficient and leads to the hole position deviation and waste residue.

The utility model discloses an automatic gasket stamping device which comprises a machining platform, a U-shaped support is installed on the machining platform, an outer annular cutter is arranged above the machining platform, a stamping air cylinder is installed on the U-shaped support, a fixing through hole is formed in the center of the top of the outer annular cutter, a telescopic air cylinder is installed on the fixing support, and the telescopic air cylinder is connected with the outer annular cutter. An inner annular cutter is installed at the telescopic end of the telescopic air cylinder, a fixed circular ring is installed on the inner wall of the outer annular cutter, a sliding circular ring is slidably connected into the outer annular cutter, a plurality of telescopic springs are installed between the sliding circular ring and the fixed circular ring, and a sliding circular plate is slidably connected into the inner annular cutter. And a connecting spring is arranged in the inner annular cutter. The stamping die has the advantages that a rubber plate can be directly cut into a gasket, secondary machining is not needed, work efficiency is improved, materials can be tightly pressed in the stamping process, the stamping effect is improved, and the precision of the stamping position is improved.

The utility model discloses a paper and water contact angle test sample pretreatment table device which comprises a working table, a sample table arranged at the top of the working table, mucilage glue arranged on the side wall of the sample table in a surrounding mode, a tension sensor used for monitoring tension changes of paper in real time arranged in the sample table, and a plurality of inclined track grooves formed in the periphery of the sample table. A linear motion sliding table is installed in the inclined rail groove, a telescopic rod is installed on a sliding plate of the linear motion sliding table, the output end of the telescopic rod is vertically upward and provided with a clamp used for clamping paper, an annular cutter is further arranged above the sample table, and the inner diameter of the annular cutter is smaller than the outer diameter of the sample table. The two ends of the annular cutter are connected with a lifting air cylinder arranged on the workbench. A bubble level for leveling the workbench is also arranged on one side of the sample table; by means of the design, the technical problems that in a traditional treatment mode, complex pretreatment, such as flat layer coating or special paper adopting, usually needs to be conducted on paper, the operation difficulty is high, and a test result deviates from a true value are solved.

An atherectomy catheter for use in a vessel includes a catheter body, a nosecone and an annular cutter. The catheter body has a curved portion with a fixed jog section and an adjacent flexible section having a greater flexibility than a remainder of the catheter body. The fixed jog section and the flexible section include a frame having circumferential slits arranged in rows and in a circumferentially offset pattern. The circumferential slits of the flexible section are configured to allow the flexible section to passively bend in multiple directions during positioning of the catheter body within the vessel. The fixed jog section further includes a longitudinal spline having a pre-set curvature. The nosecone is attached to a distal end of the catheter body and includes a cutting window. The annular cutter configured to rotate with respect to the catheter body and positioned within the cutting window.

The utility model discloses an annular cutting tool for processing a wear-resistant steel plate, which comprises a driving rotating shaft, a groove is arranged on the front side of the driving rotating shaft, a mounting block is movably connected inside the groove, a round rod is fixedly connected on the front side of the mounting block, an annular tool is fixedly connected on the surface of the round rod, and the annular tool is fixedly connected on the front side of the mounting block. Sliding grooves are formed in the two sides of the front face of the driving rotating shaft. When an operator needs to install an annular cutter, the operator inserts an installation block into a groove, then the operator rotates a circular ring to enable the circular ring to move towards the front face, in the process that the circular ring moves towards the front face, a driving block is pushed to move towards the side close to a round rod, and then a sliding block and a limiting block are driven to move towards the side close to the round rod; and at the moment, under the action of the limiting block, the installation block is prevented from moving towards the front face, then an operator tightens the bolt, then the circular ring is locked, and the device has the advantage of being convenient to install.

The present application relates to the field of corn food processing equipment, in particular to a kind of fresh corn kernel threshing device and its using method, including feed cylinder and mounting bracket, the feed cylinder coaxially fixed in the outer side of the mounting bracket end face, rotating ring is rotationally arranged in the middle of the mounting bracket, multiple groups of tool holders are arranged around the inside of the rotating ring, and multiple groups of holding frames are arranged in the middle of the rotating ring corresponding to the tool holder, and the rotating ring outside is provided with synchronous disc for supporting the holding frame;The outer circumference of the rotating ring is provided with annular mounting groove matched with the mounting bracket, and multiple groups of holding grooves for accommodating the holding frame are vertically penetrated in the middle of the rotating ring. Advantageous effects are that: the present application can adjust the inner diameter of annular cutter formed by multiple groups of tool holders in real time according to the diameter of different corn cobs, and then realize corresponding cutting and threshing of tender corn cobs, without manual sorting for size classification of corn cobs, more convenient to use, and corn kernel is more thoroughly separated, and the effect is better.

The invention relates to the technical field of milling cutters, in particular to a crankshaft outer milling cutter disc with a quick change function, which comprises an annular cutter disc, an annular groove, a cutter groove, an end cover, a limiting disc, a cutter change assembly, a milling cutter and a cleaning assembly, and the end of the cleaning assembly extends to the side part of the milling cutter. The milling cutter can be quickly pushed out and the surface of the milling cutter can be cleaned when the milling cutter is overhauled or replaced, so that the replacement efficiency is improved, meanwhile, the stability of the milling cutter in the using process can be guaranteed after replacement is completed, the milling quality of the milling cutter is improved, and compared with a traditional milling cutter mounting mode, time and labor are saved, and the machining efficiency of a crankshaft is guaranteed.

The utility model relates to the technical field of cable processing, in particular to a cable sheath stripping device, which comprises a base and a mounting frame bolted on one side of the top of the base, and further comprises sliding grooves arranged on two sides of the inner wall of the mounting frame, two sides of the inner wall of each sliding groove are connected with sliding blocks in a sliding manner, and opposite surfaces of the sliding blocks on two sides are connected with rotating rods in a rotating manner; according to the utility model, through the cooperation of the sliding groove, the sliding block, the rotating rod and the transmission mechanism, the annular cutter can process the two sides of the cable sheath at the same time, so that the stripping efficiency is obviously improved, the cutting depth and the cutting angle can be better controlled, the stability of the stripping quality is ensured, and the device has a wider application range and is suitable for popularization and application. Under the cooperation of the sliding block, the rotating rod and the through groove, the device can meet the stripping requirements of cable sheaths with different diameters and specifications, the universality and the utilization rate of the device are improved, an operator can carry out accurate adjustment according to the specific size of a cable, and the stripping precision and the integrity of the cable can be improved.

The application discloses a tunneling and blasting machine and an anti-blasting ring supporting system thereof, and relates to the technical field of tunneling equipment. The anti-blasting ring supporting system of the tunneling and blasting machine comprises a cutter head, a movable part and a manipulator. The cutter head comprises a supporting part, a center cutter head and an annular cutter head with a through hole, the center cutter head is sleeved in the through hole, and the supporting part is used for driving the center cutter head to move axially. The movable part is slidably sleeved on the peripheral surface of the supporting part, and the movable part can rotate relative to the supporting part. The manipulator comprises a telescopic jacking device and a pickup part, the jacking device is fixed to the movable part, the pickup part is fixed to the extending end of the jacking device, and the pickup part is used for clamping the anti-blasting ring. The anti-blasting ring supporting system supports the rock-burst area in front of the annular cutter head, can realize advanced support, effectively improves the safety of the excavated roadway, and protects the matched equipment and the operating personnel.