85results about How to "Easy squeeze" patented technology

This utility model provides a feeding device for a bright steel bar grinding machine. The feeding device includes a rectangular base and a conveying assembly. A rectangular cavity is formed inside the rectangular base, and a sliding groove is formed on the left side of the rectangular base, communicating with the rectangular cavity. A lifting assembly is installed between the sliding groove and the inner wall of the rectangular cavity. In this feeding device for bright steel bar grinding, when the threaded block drives the connecting plate upwards, the connecting plate, through a push plate, drives the steel bar near the rectangular opening upwards. After the steel bar leaves the conveying pipe, it automatically rolls to the left side of the rectangular base, closely adhering to the rectangular base until the steel bar moves to the top of the rectangular base, and finally rolls into the grinding groove. When continuing to pick up material, the threaded block drives the connecting plate downwards. When the push block contacts the steel bar, it squeezes the steel bar into the conveying pipe until the push block moves below the steel bar. The steel bar closest to the rectangular opening then automatically rolls to the baffle, facilitating the conveying of the next set of steel bars.

The utility model discloses a piston sealing ring machining device, it includes: the mounting piece, the outer wall of mounting piece is ring array and is opened with the sliding slot, and the side wall of mounting piece is opened with the installation hole that communicates with the sliding slot, a plurality of the sliding slot all are inlayed with the sliding block, a plurality of the inner wall of sliding block all are opened with the taper slot, the installation hole is adjustably installed with the internal hexagonal screw rod, the outer wall welding of internal hexagonal screw rod is fixed with the convex part for pushing a plurality of sliding blocks, sealing ring raw material, sealing ring raw material sliding sleeve joint is established on the mounting piece, a plurality of sliding blocks all are with the inner wall of sealing ring raw material and abut, when processing sealing ring raw material, the inner wall of sealing ring raw material is fixed to the outside of mounting piece in the sliding slot movement of sliding block, and it is convenient to hold and fix the processing of piston sealing ring, avoids the extrusion deformation situation of piston sealing ring raw material.

The invention provides a pole piece of a lithium ion battery and a preparation method of the pole piece, the pole piece of the lithium ion battery comprises a current collector and an active material coated on the current collector, and by arranging the active material and an adhesive, the active material can be conveniently and rapidly fixed when being extruded and arranged on the current collector along an angle; the assembly state of the active material on the current collector is stabilized, the active material is placed in the slit die cavity to be extruded, the active material moves and deforms towards the single side direction, so that the structure becomes long and narrow, and the end part of the long and narrow active material is connected with the current collector to be rolled, so that the tortuosity of the lithium ion battery pole piece is reduced, and the service life of the lithium ion battery pole piece is prolonged. And the migration rate of lithium ions in the pole piece and the embedding rate of the lithium ions in the active material are accelerated, meanwhile, the problem that the pole piece is expanded and increased due to lithium ion embedding in the thickness direction of the pole piece is solved, and the probability of deformation of the lithium ion battery is reduced.

The utility model relates to the technical field of rice noodle processing, and particularly discloses a rice noodle extrusion forming disc which comprises a discharging pipeline, a first mounting block is fixedly connected to the lower surface of the discharging pipeline, a forming disc body is arranged below the discharging pipeline, and a second mounting block is fixedly connected to the upper surface of the forming disc body. A positioning clamping block is fixedly connected to the upper surface of the second mounting block, a limiting open groove is formed in the lower surface of the first mounting block, a positioning cylinder is fixedly connected to the side surface of the first mounting block, and a supporting baffle is mounted on the outer surface of the positioning cylinder. The rice noodle extrusion forming disc is provided with a positioning clamping block and a limiting open groove, when the device works, a second mounting block is in butt joint with a first mounting block, so that the positioning clamping block is inserted into the limiting open groove, and then the second mounting block is rotated to drive the positioning clamping block and a T-shaped positioning clamping block to move in the limiting open groove so as to be clamped; the second mounting block and the first mounting block are prevented from loosening and separating.

The invention provides a clinical anesthesia support structure convenient to operate, and relates to the technical field of medical instruments. The adjusting part is arranged below the beam tube part; the supporting part is arranged below the adjusting part; the blocking part is arranged above the supporting part; a cylindrical groove is formed in the top of an adjusting plate, connection of a connecting block is facilitated, then stability of a matched restraining block is kept conveniently, a fixing frame is fixed to the adjusting plate, a telescopic frame and an outer clamping frame are fixed conveniently, the telescopic frame and the outer clamping frame stretch out and draw back and turn over while stability is kept, and then the supporting range of the telescopic frame and the outer clamping frame is increased; according to the anesthesia support structure, a plurality of supporting devices are arranged, so that supporting treatment can be conveniently carried out in multiple directions in the operation process, and the problems that for an existing traditional anesthesia support structure, supporting treatment is generally achieved through stretching and retracting of a tubular structure, but due to the fact that the number of tools needed to be laid in the clinical operation process is large, supporting in different directions is inconvenient to carry out are solved.

The utility model discloses a kind of biochar extrusion forming devices, specifically relates to biochar production technical field, including forming base, its upper end is equipped with material guiding cylinder outside, the outer end of material guiding cylinder is equipped with speed reducer, material guiding cylinder is equipped with forming cylinder at one end away from speed reducer, the outside of forming cylinder one end is equipped with discharging support plate, the outside of discharging support plate one end is equipped with limit support plate, the connecting place of forming cylinder and discharging support plate is equipped with limit support block.The utility model is actually used, under the corresponding setting state of electric telescopic rod, support plate, cutting knife plate, limit support block and support sliding slot, the height of support plate and cutting knife plate can be lifted by electric telescopic rod, to facilitate cutting processing to extrusion forming biochar, while the state that cutting knife plate outer end face and support sliding slot inner end face are adapted, the stability of cutting knife plate lifting can be effectively increased.

The invention provides a retractor for thyroid surgery, and relates to the field of retractors, the retractor comprises a frame body, a support frame plate is arranged in the frame body, and a skin negative pressure translation mechanism and a retractor mechanism are arranged on the support frame plate; the skin negative-pressure translation mechanism comprises a negative-pressure cylinder and a piston plate, the negative-pressure cylinder is connected to the supporting frame plate, the piston plate is movably connected into the negative-pressure cylinder in a sealed mode, the lower end of the piston plate is connected with an ejector rod, the lower end of the ejector rod is connected with a sealing body, the lower end of the sealing body is provided with a spring, the upper end of the spring is connected with the sealing body, and the lower end of the spring is connected with the negative-pressure cylinder; the drag hook mechanism comprises a drag hook and a rotating rod body, the drag hook is slidably connected to the supporting frame plate, one end of the rotating rod body is elastically and movably connected with the supporting frame plate, a pressing mechanism is arranged on the frame body, the pressing mechanism is rotationally pressed and attached to the other end of the rotating rod body, and the pneumatic telescopic rod firstly drives the skin negative pressure translation mechanism to adsorb the skin and then translates to open an incision. The drag hook mechanism extends into the incision under the assistance of the pressing mechanism, the integrated process is achieved, and double drag hook is conducted on the incision.

The utility model relates to exercise mouth -type device technical field discloses a kind of postoperative mouth-type device of burn patient face, including extrusion mechanism, mouth opening trainer, No. 2 bottom plate and fixed frame, the extrusion mechanism includes shell, the inside sliding joint of shell is provided with two fixed plates, two the fixed plate mutually close one side respectively fixedly set up No. 1 rack and No. 2 rack, the inside rotation of fixed frame is provided with two-way screw rod, the periphery of two-way screw rod is threadedly connected with two fixed frame, the opposite side of two the fixed frame is uniformly fixedly set up fixed column, the inside one side rotation of shell is provided with gear. In the utility model, the device when using, starting electric push rod can automatically carry out mouth opening training, it is favorable to reduce physical consumption, avoid reducing training effect, and the opening size of mouth opening trainer can be automatically adjusted by adjusting the length of electric push rod.

The utility model discloses a kind of blast hole charging structure for mining blasting, it is related to mining exploitation technical field.The utility model includes support assembly, by bottom plate and fixed frame component, fixed frame is fixedly connected in the top of bottom plate;It also includes charging assembly, by charging pipe and stop tube component, charging pipe is set to the inside of bottom plate, stop tube is set to the bottom of bottom plate.The utility model has beneficial effect for: by setting support assembly, it is convenient for staff to place and disassemble this device, to facilitate extrusion and sealing to blast hole, improve the practicability of this device, by setting charging assembly, it is convenient for staff to extrude explosive in blast hole, improve its compactness, simultaneously, it is convenient for sealing to blast hole, prevent foreign matter from entering blast hole inside.

The invention discloses a sample pretreatment process for food detection, which comprises the following steps: step 1, stirring a sample: taking out pickled Chinese cabbages, cleaning residual saline solution on the surfaces of the pickled Chinese cabbages by using absorbent paper, and putting the pickled Chinese cabbages into a stirring device in pretreatment equipment to stir the pickled Chinese cabbages into homogenate; step 2, filtering the sample, filtering the homogenate in a filtering device in pretreatment equipment to obtain filtrate and waste residues, separately collecting the filtrate and the waste residues, and taking the collected filtrate as the sample; and step 3, cleaning the equipment, namely cleaning the pretreatment equipment by using a first cleaning device and a second cleaning device in the pretreatment equipment. The invention relates to a sample pretreatment process convenient for pretreatment of pickled food.

This invention discloses a geological sampling and testing device for coal mine exploration, relating to the field of coal mine geological sampling technology. The invention includes a frame and a drive assembly mounted on the frame. The drive assembly includes a sampling tube disposed on one side of the frame, with a compression assembly sleeved around the periphery of the sampling tube. The compression assembly includes a kit, with an arc-shaped groove at the top and a strip-shaped groove on the inner sidewall of the kit. The arc-shaped groove and the strip-shaped groove are interconnected to form an L-shaped through hole. A scraper is welded to the inner side of the top of the kit. Each adjacent kit is connected by an elastic rope, and the bottom of the kit is slidably disposed inside a wedge-shaped block via two movable blocks. This invention, by continuously moving the movable bearing back and forth at both ends of the lead screw, can complete multiple extractions of the sampling tube, ultimately removing it. This simple and quick structure reduces the difficulty of manually extracting the sampling tube.

The utility model discloses a micro-thread implant, which relates to the technical field of implants and comprises a cylinder, a rubber sleeve is arranged at the lower end of the cylinder, straight threads are arranged on the outer side of the lower end of the cylinder, and an inner hexagonal groove is arranged on the top surface of the cylinder; according to the utility model, through the matching of the rubber sleeve and the cylinder, the cylinder can conveniently extrude the rubber sleeve, so that a hydroxyapatite material in the rubber sleeve is extruded out, and the fusion efficiency of the cylinder and new tissues is improved; through the cooperation of the rubber sleeve and the hydroxyapatite, gaps around the cylinder can be conveniently filled, and the fusion effect of the cylinder and new tissues is improved; and through the matching of the straight thread and the fine thread groove, the tooth body can be better mounted, and the tooth body mounting effect is improved.

The utility model relates to the technical field of hotpot condiment production, and discloses a filtering device for hotpot condiment production, which comprises a bottom plate, the left side end and the right side end of a fixing frame are respectively provided with a first vertical groove and a second vertical groove, an extrusion mechanism is arranged between the top end and the bottom end of the fixing frame, and the top end of the bottom plate is fixedly connected with a separation barrel. A filter frame is arranged at the top end of the interior of the separation barrel, a lifting mechanism used for driving the filter frame to ascend and descend is arranged between the interior of the first vertical groove and the interior of the second vertical groove, and two sets of connecting mechanisms used for being connected with the lifting mechanism are arranged at the top end of the filter frame. The filter frame can be conveniently driven to move out of the separation barrel, at the moment, the separation barrel is rapidly cooled after being located outside, then the filter frame can be conveniently detached and cleaned by a worker through the connecting mechanism, the worker can conveniently take the filter frame out of the separation barrel, and the worker is not prone to being scalded through the cooled filter frame.

The utility model relates to the technical field of quick-splicing box floor splicing, and discloses a modularized quick-splicing box floor splicing structure which comprises a connecting piece and a floor, a bottom reference rod is fixedly installed outside the connecting piece, a cross rod is fixedly installed outside the connecting piece, a connecting rod is fixedly installed inside the bottom reference rod, and the connecting rod is fixedly connected with the connecting piece. A positioning mechanism is arranged in the bottom reference rod, and a limiting mechanism is arranged in the positioning mechanism. Through the arrangement of the positioning block, the positioning work of the floor is facilitated, the floor is prevented from moving before limiting, through the arrangement of the pressing plate, the splicing work of the floor is facilitated, under the cooperation of the flat head cross screw and the threaded sleeve, the pressing plate and the floor are conveniently limited, and the stability of the floor is guaranteed. And along with downward movement of the flat head cross screw, the lifting block is conveniently pushed to move downward, so that the triangular block conveniently extrudes the spring, the insertion block conveniently moves towards the positioning block, and the positioning block is conveniently limited.

The present application relates to sludge drying equipment technical field, especially to a kind of sludge purification drying treatment equipment, including support, sludge storage part, lower pressure piece and drying part, support includes support box, and the bottom end of support box is fixedly connected by fixed screw, and the top of support box is horizontally provided with slot frame, and sludge storage part is arranged in slot frame, sludge storage part includes sludge storage box, and the top of sludge storage box is provided with opening, and the bottom of sludge storage box is fixedly provided with mesh plate, and the side of support box is vertically provided with lower pressure piece, and the other side of support box is provided with drying part.The present application overcomes the existing single mechanical extrusion to remove water in sludge, water in sludge is removed by pressure, and there is still some water in sludge, which leads to poor sludge drying effect, and affects the problem of sludge drying effect.

The utility model provides a kind of mixer for epoxy resin, it is related to mixer field, including shell, stirring subassembly, feed inlet, discharge port and bubble-removing component;Feed inlet and discharge port are communicated with the inner cavity of shell;Stirring subassembly includes stirring shaft and several blades;Blade is fixed with stirring shaft;Blade is located above bubble-removing component;The fixed part of bubble-removing component is closely attached with the side wall of inner cavity;Fixed part is equipped with cavity;The top and bottom of cavity are respectively provided with inflow and outflow, and are communicated with inner cavity;The side wall of cavity is rough, and is provided with several grooves;The extruding piece of bubble-removing component is located in cavity, and is fixed with stirring shaft;Gap is equipped between extruding piece and cavity side wall;Several elastic protruding parts are equipped on extruding piece;Elastic protruding part is attached with the side wall of cavity.The utility model can solve the problem that air may be mixed in epoxy resin during high-speed stirring of prior art, leading to the existence of bubble in the material made of epoxy floor.

This invention discloses a wire exit positioning detection device, including a detection horizontal plate. Multiple strip-shaped grooves are horizontally formed on the detection horizontal plate, and a detection slider is slidably disposed within each strip-shaped groove. A U-shaped groove is formed on the detection slider, with cavities on both sides of the U-shaped groove. A rotating column is disposed within each of the two cavities, and a hollow liquid storage tube is coaxially connected to one end of each rotating column. Multiple elastic rubber tubes are circumferentially connected to the outer wall of the hollow liquid storage tube. The detection slider of this invention slides along the strip-shaped grooves to adjust its position. During wire measurement, the end of the wire approaches the detection slider. If the end of the wire does not reach the position of the detection slider, the wire exit is too short; if the end of the wire exceeds the position of the detection slider, the wire exit is too long. Furthermore, when the wire exit is too long, the pigment stored in the elastic rubber tubes is squeezed out and applied to the wire, thus marking and positioning the excessively long position of the wire.

The multifunctional double-top hydraulic machine comprises a box body, two supporting frames are arranged above the box body, round rods are fixed to the interiors of the two ends of each supporting frame, the outer side walls of the round rods are rotationally connected with supporting plates, hydraulic cylinders are fixed to the tops of the supporting frames, and the hydraulic cylinders are connected with the supporting plates in a rotating mode. An output shaft of the hydraulic cylinder penetrates through the supporting frame to be fixedly provided with a pressing plate, and a rotating motor is fixed to the right side of the supporting plate on the right front side. According to the multifunctional double-top hydraulic machine, a rotating motor is started, the rotating motor drives a right front square round rod to rotate, the right front square round rod drives a front supporting frame, a hydraulic cylinder and a pressing plate to rotate downwards, when the front supporting frame rotates, transmission is conducted through a left side round rod and a straight gear, so that a rear supporting frame rotates downwards at the same time, and then the hydraulic cylinder is started; and a rotating motor is started, the rotating motor can drive a connecting rod and a circular truncated cone to rotate, and therefore the materials can be extruded in multiple directions.

The utility model relates to the technical field of tunnel bridge engineering, and discloses a tunnel bridge roadbed anti-seepage reinforcing assembly which comprises a water tank, universal wheels are fixedly connected to the four corners of the bottom end of the water tank, a limiting plate is fixedly connected to the top end of the water tank, a reinforcing plate is arranged on one side of the limiting plate, and an L-shaped plate is fixedly connected to the top end of the reinforcing plate. A water drainage plate is fixedly connected to the position, close to the connecting position of one side of the bottom end of the L-shaped plate and the reinforcing plate, of the bottom end of the L-shaped plate, and a water guide pipe is movably connected to the outer wall, close to the front end, of the water drainage plate in a sleeved mode. And a screw rod is driven to move under thread engagement of a supporting seat, then a guide column and a limiting block are driven to move to the position, close to the bottom end, of the front side of a reinforcing plate, the bottom end of the reinforcing plate is extruded, the reinforcing plate is tightly attached to the bottom of the to-be-reinforced base face of the tunnel bridge, and the water seepage situation is reduced.

The utility model provides a kind of offshore photovoltaic power generation panel can be spliced mounting rack, it is related to mounting rack technical field, the utility model includes mounting rack main part, the side of mounting rack main part is provided with connecting device, the inside of mounting rack main part is provided with adjusting device, connecting device includes connecting plate, the side fixed connection of connecting plate and mounting rack main part, the surface of connecting plate is equipped with connecting sleeve, one end of connecting sleeve and the side fixed connection of mounting rack main part away from connecting plate, the surface fixed connection of connecting plate is equipped with rubber sleeve, the surface of rubber sleeve is equipped with recess, the inner wall of recess is provided with rubber ring, the inner wall fixed connection of rubber ring and connecting sleeve, the bottom fixed connection of mounting rack main part is close to the one end of connecting plate and is equipped with support block, when using connecting device, connecting sleeve is equipped on the surface of the fixed connecting plate of another mounting rack main part side, because mounting rack main part is fixed on floating plate.

The utility model discloses a heating device for an oil storage tank in an oil field, which relates to the technical field of heating devices and comprises an oil storage tank body and a tank cover, telescopic cylinder bodies are fixed on two sides of an outer carrying frame, a top plate is fixed between telescopic ends of the two telescopic cylinder bodies, and a guide cylinder is fixed at the center of the bottom end of the top plate. A hollow supporting cylinder is fixed to the center of the interior of the outer carrying frame. The lower end of the guide cylinder penetrates through the hollow supporting cylinder and is fixedly provided with a piston disc. An outer sleeve is rotationally connected to the outer side of the hollow supporting cylinder and located on the inner side of the outer carrying frame, an inner bearing frame is fixed to the outer side of the outer sleeve, pushing and guiding bases are arranged on the inner sides of the two sides of the inner bearing frame, and an electric heating pipe body is fixed to the lower end of each pushing and guiding base. According to the heating device for the oil storage tank in the oil field, the inner wall and the outer wall of the oil storage tank body can be heated through the overall structural matching design, and oil stored in the oil storage tank body can be conveniently extruded to enable the whole oil to rapidly flow and repeatedly make contact with the inner wall of the oil storage tank body, so that efficient heating is achieved.

This application relates to the technical field of sensors, and in particular to an adjustable thermocouple sensor, including leads, an inner core connector, and a probe. The inner core connector is electrically connected to the sensing end of the probe via the leads. The probe is sequentially fitted with a locking sleeve, a clamping sleeve, and a fixing sleeve. The locking sleeve and the fixing sleeve are threadedly connected, and the locking sleeve fixes the clamping sleeve to the probe by pressing the clamping sleeve. This application has the effect of improving the accuracy of detection data.

The utility model relates to the technical field of environmental sanitation appliances, and discloses an efficient mop wringing device which comprises a moving mechanism and a wringing mechanism, the moving mechanism comprises a bucket platform and universal wheels connected to the bottom of the bucket platform, extension rods are arranged on the two sides of the upper portion of the bucket platform, and the wringing mechanism comprises a first concave-convex wheel and a second concave-convex wheel. The two ends of the first concave-convex wheel and the two ends of the second concave-convex wheel are connected to the extension rods on the two sides respectively, the second concave-convex wheel is axially parallel to the first concave cam, the second concave-convex wheel and the extension rods are arranged in a sliding mode, and the first concave-convex wheel and the second concave-convex wheel can rotate along the axes of the first concave-convex wheel and the second concave-convex wheel. The first concave-convex wheel and the second concave-convex wheel are arranged in a staggered mode and matched in a rolling mode, and the second concave-convex wheel is further connected with a clamping mechanism controlling the second concave-convex wheel to be close to the first concave-convex wheel. The cloth strip type mop wringing device is used for a cloth strip type mop, wringing is clean, sanitary and convenient, and the working intensity of cleaning personnel can be effectively reduced.

The utility model discloses an extrusion device convenient for uniform stress, which belongs to the technical field of plate extrusion, and comprises a placing plate, four corners of the placing plate are respectively and fixedly connected with a first electric push rod, the top of each first electric push rod is fixedly connected with a connecting block, and a linkage plate is fixedly connected among the four connecting blocks. According to the extrusion device facilitating uniform stress, a first electric push rod can be started to drive a connecting block and a linkage plate to press downwards, at the moment, the linkage plate can push a telescopic rod, a buffer spring and an extrusion plate at the bottom to extrude an integrated wallboard, and at the moment, the extrusion plate can extrude the telescopic rod and the buffer spring; the force applied by the extrusion plate to the integrated wallboard is uniformly distributed under the elastic action of the buffer spring, and the situation that local stress of the wallboard is too large or too small in the extrusion process is avoided, so that it is guaranteed that the density and strength of the wallboard are uniform and consistent, and the product quality is improved.

The invention belongs to the technical field of metal cleaning, and particularly relates to a metal pickling agent and a preparation method and application thereof. The metal pickling agent comprises an acid solution, a corrosion inhibitor, a surfactant, an antioxidant and a complexing agent. According to the metal pickling agent, a complete oxidation film can be formed on the surface of a copper material during pickling, the copper material cannot be corroded and discolored under the condition that the surface of the copper material is acid for 30 min, and the requirement of automatic production can be met. After pickling treatment with a metal pickling agent and rinsing cleaning, a formed oxidation film uniformly covers the surface of a workpiece, the texture form is uniform, it can be ensured that the copper material is not corroded or discolored after being naturally stored for at least 3 days, and good oxidation resistance is achieved. Meanwhile, the uniform oxidation film can provide certain lubricity and reduce friction force, the subsequent extrusion or drawing process is facilitated, cracks and mottles are prevented from being generated on the surface of a product, and it is ensured that the workpiece cannot be corroded and discolored before extrusion or drawing.

The utility model relates to a material storage tank technical field discloses a kind of material storage tanks with temperature-adjusting function for sesame paste production, including outer tube, the outer tube outside is fixedly connected with support, the inner tube is fixedly connected in the outer tube inside, the inner tube top is provided with material taking subassembly, the outer tube inside is provided with anti-deposition subassembly;The material taking subassembly includes bevel gear one and bevel gear two, the bevel gear one middle part is fixedly connected with rotating shaft, the bevel gear two side is rotatably connected with support, and the support is fixedly connected in the inner tube top.In the utility model, by setting bevel gear one and bevel gear two, rotating rotating shaft will drive bevel gear one rotation, bevel gear one drives bevel gear two rotation, bevel gear two drives disc and cylinder together rotation by connecting rod, to make frame move, frame moves time will drive lifting rod and extruding disc together up and down movement to reach the effect of accelerating material taking.

The utility model relates to the technical field of plastic color master batch screening, specifically to a plastic color master batch screening and impurity removing device, including screening bed, the inside fixed connection of screening bed has the filter screen, the inside of screening bed is provided with extrusion device, and the extrusion device includes support frame, and the support frame sets up the top of screening bed, and the upper surface of support frame is opened to have guide hole, and the inside slide connection of guide hole has guide rod, and the bottom fixed connection of guide rod has the pressing plate, and the inside slide connection of pressing plate and screening bed, and the top fixed connection of guide rod has the connecting strip, and one side fixed connection of connecting strip has the connecting block, and the surface of support frame is provided with drive assembly. The utility model discloses, through setting up extrusion device, can effectively conveniently worker to the material of caking carries on extruding, avoided the worker to remove the caking plastic color master batch, and then improved the screening rate of impurity removing device.

The present application relates to a kind of forging method of three-cylinder crankshaft, belong to engine parts manufacturing field.It includes: S1: heating to work temperature to bar stock;S2: using press bending die to press bend second connecting rod neck;S3: using connecting rod neck pre-pressing die to first connecting rod neck and third connecting rod neck are pre-pressed;S4: using balance block pre-pressing die to first connecting rod neck balance block and third connecting rod neck balance block are pre-pressed;S5: using final forging die to the product obtained in step S4 is final forged;S6: to the product obtained in step S5 is trimmed.The present application is favorable to reduce the amount of material flow to connecting rod neck surface in the process of crankshaft forging bar stock core portion, to improve the overall quality and use strength of crankshaft.

This invention provides a high-efficiency hobbing cutter, belonging to the technical field of vertical shaft hobbing cutters. The high-efficiency hobbing cutter provided by this invention includes a hobbing cutter housing, a central shaft, a cutting edge, and several jacking cutter assemblies. The central shaft is rotatably disposed within the inner cavity of the hobbing cutter housing, and mounting heads are provided at both ends of the central shaft. The cutting edge is disposed on the outer circumferential surface of the hobbing cutter housing. Several jacking cutter assemblies are disposed on the outer circumferential surface of the hobbing cutter housing. Each jacking cutter assembly includes a jacking cutter cylinder, a jacking cutter head, and a jacking assembly. The jacking cutter cylinder is disposed on the outer circumferential surface of the hobbing cutter housing. The jacking cutter head is movably disposed within the jacking cutter cylinder, with its top end extending beyond the jacking cutter cylinder and higher than the cutting edge. The jacking assembly is disposed within the jacking cutter cylinder, providing jacking force to the jacking cutter head. In use, the jacking assembly provides impact force to the rock wall, causing the rock wall to begin to break, reducing the difficulty for the subsequent cutting edge to compress and shear the rock wall, thereby reducing the cutting edge breakage rate and improving drilling efficiency.

The utility model relates to the technical field of water pipe extrusion molding, in particular to a hexagonal drainage pipe extrusion molding machine. According to the technical scheme, the extruder comprises an extruder barrel, a water outlet pipe and a water inlet pipe, one end of the extruder barrel is connected with a forming die pipe, the tail end of the forming die pipe is connected with a cooling outer pipe, hexagonal outer walls are arranged on the outer surfaces of the forming die pipe and the cooling outer pipe, and a forming die column is installed in the forming die pipe; two water flowing channels are arranged in the forming die column, a cooling inner pipe is connected to the end, close to the cooling outer pipe, of the forming die column, hexagonal outer walls are arranged on the outer surfaces of the forming die column and the cooling inner pipe, a partition plate is fixedly installed in the cooling inner pipe, and a branch pipe is connected to one end of the water inlet pipe. In the cooling and shaping process of the cooling inner pipe, the inner part and the outer part of the cooling inner pipe can be cooled at the same time, the cooling uniformity is improved, the defects of deformation, non-uniform wall thickness and the like are avoided, and the quality of the finished cooling inner pipe is improved.