55results about How to "Uniform extrusion force" patented technology

The invention discloses a welding machining device and method for stainless steel parts, and relates to the technical field of welding. The welding device comprises the bottom rotating disc face, the top rotating disc face, the embedded frame and the three-jaw chucks, the embedded frame and the three-jaw chucks are correspondingly arranged, high-frequency relative friction between stainless steel parts of the second three-jaw chuck and stainless steel parts of the first three-jaw chuck is achieved by shaking the supporting sliding rods and the reset springs, heat is generated, and welding is completed; a balance weight in the balance weight box and centrifugal force generated by rotation provide stable welding pressure, after welding is completed, air is guided to flow through a welding seam for rapid cooling through a negative pressure arc-shaped protruding block and an air guiding channel, a blocking plate is controlled by the centrifugal force and a reset tension spring, automatic switching of air flowing is achieved, the structural design of the device is balanced, and the welding efficiency is improved. And a plurality of parts can be welded simultaneously, so that the production efficiency is improved.

The invention discloses a line design cable butt joint structure for electric power engineering, and relates to the technical field of cable butt joint, the line design cable butt joint structure comprises a butt joint cylinder, the two ends of the butt joint cylinder are provided with mounting mechanisms for placing inserted cables, each mounting mechanism comprises a placing cylinder, and the placing cylinders are symmetrically installed at the two ends of the butt joint cylinder; a limiting mechanism for fixedly limiting movement of the cable is arranged on the inner wall of the placing cylinder, an adjusting mechanism for adjusting the distance between cable joints is arranged on the outer wall, close to the placing cylinder, of the butt joint cylinder, the cable is inserted into the placing cylinder, the annular plate wraps the part, needing to be connected, of the cable, and the cable is pulled to be extruded by the annular plate; and the extrusion stress at the cable joint is more uniform, so that the electric stress distribution at the cable joint is more uniform, and overhigh local electric stress caused by non-uniform electric field distribution is avoided.

The invention belongs to the technical field of construction platforms, and particularly relates to a green building intelligent construction platform which comprises a moving seat and a working platform, the working platform is connected with the moving seat through a scissor type telescopic frame, protective fences are fixed to the edges of the four sides of the top face of the working platform, and a mounting cavity communicating with the outside is formed in the working platform. An adsorption assembly is arranged in the mounting cavity; the adsorption assembly comprises a suction cup and a first air pump, the suction cup is arranged in the mounting cavity and connected with the inner wall of the mounting cavity through an electric push rod, the first air pump is fixed to the inner wall of the mounting cavity, and the air suction end of the first air pump fixedly communicates with the suction cup through a hose; according to the invention, by inflating the air bag, the air bag can more flexibly adapt to the irregular shape of the surface of the ceramic tile, the extrusion force of the contact surface of the air bag and the wall surface is more uniform, and the inflated air bag can better fill the unevenness of the pattern surface of the ceramic tile, so that more comprehensive contact and sealing are realized, and the contact effect is improved.

The invention belongs to the technical field of aviation detection, and particularly relates to aviation cylinder clamping detection equipment, which comprises a frame body, and support plates are uniformly arranged on the inner wall of the frame body; the aviation cylinder clamping detection equipment further comprises an adjusting mechanism and a supporting mechanism, the adjusting mechanism is used for adjusting the arc-shaped thin-wall part so that the arc-shaped thin-wall part can make contact with the front face of the installed thin-wall part, the bottom of the adjusting mechanism is fixedly connected with the top of the frame body, and the bottom of the supporting mechanism is rotationally connected with the outer wall of the end, away from the supporting plate, of the frame body. By arranging the detection mechanism, the cushion block makes contact with the outer wall of the thin-wall part, the limiting assembly monitors the moving distance of the cushion block, when the thin-wall part reaches the critical deformation quantity, the position where the limiting assembly is pulled out at the moment can be recorded in time, the position is recorded, the cushion block can only reach the maximum position in the subsequent clamping process, and the clamping efficiency is improved. And the situation that the thin-wall part is deformed due to large extrusion force caused by unstable clamping force is avoided.

The invention discloses a gap-adjustable profiling walnut shell breaking device, which relates to the field of walnut processing, and comprises a bracket, and a profiling shell breaking mechanism, a gap adjusting mechanism and a power conveying mechanism which are arranged on the bracket. The profiling shell breaking mechanism comprises a profiling knife roll and a profiling pressing plate and is used for generating shearing force and acting on walnut shells to break the walnut shells; the gap adjusting mechanism comprises a universal screw rod, and an adjusting hand wheel is arranged at the tail end of the universal screw rod and used for extruding the profiling pressing plate and setting a shell breaking gap; the power conveying mechanism is used for providing power for the profiling shell breaking mechanism; the walnut shell breaking machine can conduct targeted shell breaking on classified walnuts, utilizes the profiling knife roll and the profiling pressing plate to break shells, and has the advantages of being simple, convenient, good in shell and kernel separation effect, high in shell breaking rate, high in first-path kernel rate and the like.

The invention relates to the technical field of fixing devices, in particular to a wing folding positioning and locking device which comprises a transverse plate, vertical plates are arranged at the two ends of the transverse plate, the upper ends of the vertical plates are hinged to the ends of the transverse plate, the transverse plate and the two vertical plates are combined to form an inverted-U-shaped locking device, through grooves are formed in the transverse plate and the vertical plates, and a plurality of air cylinders are arranged in the through grooves. The telescopic end of the air cylinder points to the area surrounded by the transverse plate and the two vertical plates, grooves are formed in the upper portions of the two ends of the transverse plate, and butt joint blocks matched with the grooves are arranged at the lower ends of the vertical plates. Goods are placed in the locking device, fragile goods can be protected, the goods on the lower layer are prevented from being crushed when the goods are stacked in a multi-layer mode, the transverse plates and the vertical plates of the device are each of a plate-shaped design, occupied space of a goods placing area can be reduced, and the device can be folded and can be folded and stored when not used.

The application discloses a propellant charge structure integrity monitoring device for long-term storage and relates to the field of rocket fuel monitoring. The propellant charge structure integrity monitoring device for long-term storage comprises a water tank base, the water tank base is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a main gear, the fixing frame is rotationally connected with circumferentially distributed lead screws, the thread pitches of the circumferentially distributed lead screws are different, the circumferentially distributed lead screws are fixedly connected with from gears, the fixing frame is slidably connected with circumferentially distributed sliding inner shells, the water tank base and the fixing frame are slidably connected with circumferentially distributed sliding outer shells, the lead screws are threadedly connected with adjacent sliding inner shells, and the sliding inner shells are slidably connected with adjacent sliding outer shells. Different speeds of extrusion are simultaneously performed on the circumferentially distributed propellants, monitoring contrast is formed, and the accuracy of data is further improved.

This invention relates to the field of hydraulic support installation technology, and more particularly to an installation device and method for installing the side guard plate of the top beam of a hydraulic support. The invention includes a horizontally arranged placement platform and a telescopic frame. The telescopic frame includes multiple sets of telescopic components, which are arranged parallel to each other and spaced apart along the length of the placement platform. Each set of telescopic components includes a fixed cylinder, a push-pull rod, a first hydraulic cylinder, and two vertically arranged clamping columns, all arranged along the width of the placement platform. The fixed cylinder is fixedly installed on the bottom wall of the placement platform. The push-pull rod is inserted into the fixed cylinder, and the opposite ends of the push-pull rod and the fixed cylinder are respectively fixedly connected to the two clamping columns. The first hydraulic cylinder is fixedly installed inside the fixed cylinder. By setting multiple sets of telescopic components, multiple first hydraulic cylinders can drive multiple clamping columns to move synchronously inward, thereby applying a stable and uniform compressive force to the side guard plate and overcoming the elastic force of the compression spring on the guide rod of the side guard plate.

The utility model provides a brush and pressing device assembly for replacing a stoma base plate. The brush and pressing device assembly comprises a connecting base, a connecting sleeve, a telescopic rod, a lining piece and a wrapping sleeve made of sponge materials. A plurality of bristles are fixed to the upper end face of the connecting base, the upper end of the connecting sleeve is fixed to the lower end of the connecting base, the upper end of the telescopic rod is inserted into the connecting sleeve from bottom to top and can stretch out and draw back relative to the connecting sleeve, and a spring is arranged in the connecting sleeve and used for applying pushing force for downward movement to the telescopic rod. The wrapping sleeve wraps the lining piece to form a mushroom-head-shaped structure. The stoma powder wiping device can improve stoma powder wiping efficiency, has the advantage of being convenient to operate, and can effectively relieve pain of a patient when the stoma base plate is squeezed.

A degreasing device for Trichosanthes kirilowii seeds includes a housing and a baking device, the baking device being disposed inside the housing. The device further includes: an upper conical disc connected to the housing, the upper conical disc being vertically arranged with its tip pointing upwards, a feed inlet at the tip of the upper conical disc, a first elastic pad fixedly disposed on the inner conical surface of the upper conical disc; a lower conical disc disposed below the upper conical disc, the lower conical disc being coaxial and in the same direction as the upper conical disc, a second elastic pad fixedly disposed on the outer conical surface of the lower conical disc, the upper end face of the second elastic pad being conical, the cone half-angle of the lower end face of the first elastic pad being smaller than the cone half-angle of the second elastic pad, and a gap existing between the lower end face of the first elastic pad and the upper end face of the second elastic pad; and a vibration mechanism, the actuating end of which is fixedly connected to the lower end of the lower conical disc. This device provides good degreasing effect.

A leather strap structure for a sliding door comprises a leather strap body and a sectional material body, the leather strap body comprises an arc face and a connecting face, the section of the arc face is in a semi-arc shape, the arc face is connected with the connecting face, and the arc face and the connecting face define a compression-resistant cavity; the two ends of the arc face are bent inwards and extend to form a first extending face and a second extending face, the first extending face and the second extending face are parallel to the connecting face, a first groove is formed between the first extending face and the connecting face, a second groove is formed between the second extending face and the connecting face, and a profile installation groove is formed between the first extending face and the second extending face. The sealing strip has the beneficial effects that when the leather strip is in an extruded state, the extrusion force is uniform, the resilience force of each position of the leather strip is not different after long-time use, the sealing performance is good, the mounting position of the sealing strip is positioned according to the track of the profile body, and the structural form of the sealing strip is determined by using the structural form of the profile body; the installation precision of the sealing strip is greatly improved, the first groove and the second groove can be directly arranged in the profile body in a sleeved mode, the sealing strip is very convenient to disassemble and assemble, and daily protection, cleaning and maintenance of the sealing strip are facilitated.

The invention discloses seamless steel tube cold-drawing extrusion equipment, and belongs to the technical field of steel tube production equipment, the seamless steel tube cold-drawing extrusion equipment structurally comprises an embedded sliding mechanism capable of penetrating into a seamless steel tube, the embedded sliding mechanism is provided with a reducing hollow table, and the two ends of the reducing hollow table are respectively provided with a cold-drawing mechanism and a sizing mechanism; a plurality of extrusion pestles are arranged on the side part of the cold drawing mechanism and can rotate around the axis of the seamless steel pipe while moving along the axis of the seamless steel pipe; the seamless steel pipe cold-drawing device can integrally penetrate into the inner side of a seamless steel pipe with a large diameter, the multiple extrusion terminals distributed in the circumferential direction work cooperatively, so that the whole circumference of the inner wall of the steel pipe is stressed, the extrusion force at all positions is balanced, and the cold-drawing purpose is achieved along with shuttling of equipment in the seamless steel pipe; the smoothness of the inner surfaces of seamless steel pipes with different sizes can be flexibly optimized, all parts are efficiently shared, frequent disassembly and assembly are not needed, and the equipment manufacturing and using cost is optimized.

The present invention provides a low-damage stamping device with a buffer mechanism in the field of stamping equipment. The buffer extrusion frame is arranged between the upper die and the lower die and is buffered by a negative pressure spring, so as to achieve buffering of the upper die moving downward, avoid rigid collision between the upper die and the lower die, and avoid collision damage to the upper die or the lower die; at the same time, before the upper die contacts the steel plate, the buffer extrusion frame extrudes the steel plate step by step to squeeze and fix the steel plate, so that the steel plate is guaranteed to be stable and reduce deviation during stamping, thereby improving the stamping stability and stamping quality; through the driving rack plate arranged on the upper die seat and the ratchet gear meshing therewith, the synchronous rotation mechanism is linked with the stamping cylinder, and after the stamping is completed, the material is loaded and the waste material is rolled up, so that the loading and unloading and stamping are carried out at intervals, and there is no need to set up an additional control mechanism for control, thereby simplifying the control structure.

The utility model relates to the technical field of PCB (printed circuit board) mounting structures and plant lamps, in particular to a lampshade for mounting a PCB and a lamp panel type plant lamp free of screw mounting. A lampshade for mounting a PCB (printed circuit board) comprises a body, hooking parts are arranged on two sides of the body respectively, and pressing legs used for abutting against the PCB are further arranged on two sides of the body respectively. According to the lampshade structure for installing the PCB, the PCB lamp panel can be rapidly and firmly buckled and installed on the heat dissipation piece without any screws, smooth attachment and efficient heat dissipation of the lamp panel and the heat dissipation piece are guaranteed, the lens can be integrated in the lampshade body so that light path refraction or light condensation can be achieved, meanwhile, the structure is simplified, cost is reduced, and later maintenance is facilitated.

The application discloses a brazing filler metal pre-setting tool and method for annular conical metal honeycomb, and the upper roller and the lower roller are matched to clamp the annular conical metal honeycomb to be machined and the brazing filler metal, the extrusion is realized through the rotation of the lower roller, and the upper roller adjusting mechanism is arranged, the upper roller adjusting mechanism can adjust the inclination angle of the upper roller, the inclination angle of the upper roller is adjusted according to the angle of the outer conical angle of the annular conical metal honeycomb, the stability of machining is improved, the extrusion force received by the brazing filler metal during machining is uniform through the clamping of the upper roller and the lower roller, the brazing filler metal is prevented from falling off when the honeycomb and the base are assembled, reliable extrusion of the brazing filler metal is realized, and the brazing filler metal exists in each core cell of the bevel honeycomb, and the pre-setting tool disclosed by the application replaces manual operation and has higher machining efficiency.

The invention relates to the technical field of leather cleaning, in particular to a leather cleaning and drying integrated device, and solves the problems that in the prior art, leather is subjected to spin-drying treatment by using a spin-drying device, the spin-drying treatment method can cause wrinkles of the leather, and then the leather is damaged. A leather cleaning and drying integrated device comprises two linear rails, a recycling pool is arranged at the lower end between the two linear rails, a movable plate frame mechanism is transversely and movably arranged at the upper ends of the two linear rails, a spraying mechanism is arranged on the front side of the upper end of the movable plate frame mechanism, and a washing mechanism is arranged at the rear end of the spraying mechanism. And a drying mechanism is arranged on the rear side of the washing mechanism. Leather is rolled and extruded through the rolling plate, extrusion force borne by the surfaces of the upper end and the lower end of the leather is uniform, the water content of the leather is further reduced, the rolling mechanism replaces existing spin-dried leather to generate wrinkles, and then the leather is prevented from being damaged.

The application discloses a notebook computer screen hinge with adjustable torque and relates to the technical field of hinges.The hinge comprises a first page sheet, a shaft sleeve arranged on one side of the first page sheet, an ear seat arranged on one side of a second page sheet and a pin shaft penetrating the shaft sleeve and the ear seat, the shaft sleeve further comprises a first damping sheet sleeved on the outer wall of the pin shaft, a second damping sheet is sleeved on the outer wall of the pin shaft and is attached to the first damping sheet, a torque adjusting assembly is arranged in the shaft sleeve and is used for driving soft nails to push the first damping sheet based on oil extrusion so as to increase the friction between the first damping sheet and the second damping sheet, and a reset assembly is arranged in the shaft sleeve and is used for driving oil backflow based on spring reset so as to reduce the friction between the first damping sheet and the second damping sheet. Through the application, the problem that the damping sheets continuously rub against each other in the long-term repeated opening and closing process of the existing notebook hinge, the surface of the damping sheets may be gradually worn and become smooth along with the increase of the use time, and the friction coefficient is reduced is solved.

The utility model discloses a drum-type gear stable deburring device which comprises an installation shell, a connecting shaft is arranged on the outer surface of the installation shell, an installation cover is installed on the installation shell through the connecting shaft, the inner wall of the installation shell is rotationally connected with a driving shaft, a driving gear is fixed to the left end of the driving shaft, and the driving gear is fixed to the right end of the driving shaft. A driving gear is arranged on the upper portion of the base, four sets of connecting gears are meshed with the periphery of the driving gear, a supporting shaft is fixed to the interior of each connecting gear, a grinding roller is fixed to the left end of each supporting shaft, and a fixing block is fixed to the front end wall of each grinding roller. The ejector rod abuts against the outer wall of the sealing cover, then the locking blocks on the two sides are rotated to lock the eccentric shaft, it is guaranteed that the ejector rod provides uniform extrusion force, it is guaranteed that contact between the sealing cover and the grinding roller is tighter, and therefore the sealing performance is improved, and leakage of materials or dust is prevented.

The invention provides a packaging bag opening adhesive tape pasting device which comprises a rack, the left end and the top of the rack are both rotationally connected with unwinding rollers, the unwinding roller at the left end is sleeved with a packaging bag roll, the unwinding roller at the top is sleeved with a release tape roll, and the release tape roll is arranged on the top of the rack. A plurality of packaging bag guide rollers, a pasting assembly, a plurality of glue pressing rollers and a plurality of pairs of traction belts are sequentially installed on the rack from left to right, the pasting assembly comprises an upper pasting roller and a lower pasting roller, and an annular extrusion air cushion matched with the lower pasting roller is embedded in the side wall of the front end of the upper pasting roller; a rubber pressing plate matched with the rubber pressing rollers is installed below the rubber pressing rollers, and a pair of release belt guide rollers is further installed on the portion, below the release belt coil, of the rack. The device can continuously complete the pasting process of the packaging bag and the adhesive tape, pasting is uniform, the tail section of the packaging bag roll and the tail section of the release tape roll can be pasted, waste is avoided, and glue can be saved to the maximum extent in a dispensing mode.

The invention provides a pug extrusion force uniformizing device and a pug extrusion force uniformizing method for processing a honeycomb ceramic structural body, which can effectively solve the quality problem of the honeycomb ceramic structural body caused by non-uniform extrusion force when the honeycomb ceramic structural body is produced by adopting an extruder. The extruding machine extension body is arranged between an extruding head of an extruding machine and a honeycomb structure body extruding die, the extruding machine extension body comprises a smooth inner cavity, and the two ends of the inner cavity are communicated with a discharging port of the extruding head and a feeding port of the honeycomb structure body extruding die respectively. A first spoiler is arranged on the side, close to the extrusion head, of the inner cavity, a second spoiler is arranged on the side, close to the honeycomb structure body extrusion die, of the inner cavity, and variable-diameter holes are formed in the first spoiler and the second spoiler.

The invention relates to the technical field of shield construction, and discloses an auxiliary fixing device for a shield tunneling machine steel sleeve and a using method thereof.The auxiliary fixing device comprises a clamping mechanism, the clamping mechanism further comprises a base, a portal frame is fixedly connected to the top of the base, and two arc-shaped clamping blocks are arranged on the side wall of the portal frame; a motor is started to drive a two-way threaded rod to rotate, so that two arc-shaped clamping blocks are close to each other and move towards the steel sleeve, when the arc-shaped clamping blocks move, inserting blocks are driven to move to make contact with the steel sleeve, the inserting blocks are extruded to retreat, at the moment, inclined panels make contact with blocking plates, the inclined panels are extruded, and the inclined panels move longitudinally; the spring plate moves longitudinally, and the insertion block is driven to move longitudinally, so that the insertion block slides on the outer wall of the steel sleeve until the insertion block slides into the reinforcing grid of the steel sleeve, the connection strength between the upper steel sleeve and the lower steel sleeve is effectively enhanced, the steel sleeves are kept stable when the shield tunneling machine runs, and the connection stability of the steel sleeves is ensured.

The present invention provides an electroplating wastewater treatment station, which comprises: a precipitation assembly, which comprises a precipitation box, a main precipitation cavity and a liquid outlet cavity are arranged in the precipitation box, and an inclined filtration module is mounted in the liquid outlet cavity; the neutralizing assembly comprises a neutralizing box, a stirring part is mounted in the neutralizing box, and an opening and closing part is mounted at the bottom of one side of the neutralizing box; the filtering mechanism comprises a filtering box, a filtering cloth shaping assembly and a defoaming assembly; an extrusion plate is horizontally and slidably mounted in the filter box, a filter cavity is formed in the inner side of the extrusion plate, a driving part is connected to the outer side of the extrusion plate, and filter cloth arranged in a V shape is mounted in the filter cavity. Through partition design, integration of filtration, clarification and impurity sedimentation is achieved, the filter cloth is arranged in a V shape, an operation area for rapidly replacing the filter cloth is adopted, meanwhile, the filter cloth is backwashed through the filter cloth shaping assembly, fine impurities in filter cloth holes are removed, online maintenance of the filter cloth is achieved, and the filter cloth does not need to be dismounted after shutdown.

The utility model discloses a novel curved surface attaching device which comprises a power part, a guide part and four extrusion head assemblies, the power part is connected with the guide part, the extrusion head assemblies are installed on the guide part, the number of the extrusion head assemblies is four so as to press four corners of curved glass, and the extrusion head assemblies can slide on the guide part. The power part can push the extrusion head assembly to perform a dispersing action or a folding action on the guide part, and when the extrusion head assembly performs the dispersing action, the extrusion head assembly can press from the middle of the screen to four corners so as to enable the protective film to be attached to the curved glass. According to the novel curved surface attaching device, the four extrusion heads are inserted into the four corners of the silica gel jig to provide supporting force, extrusion stress is more uniform during curved surface attaching, and curved surface attaching can be completely covered, especially at the round corners on the periphery.

The invention discloses a uniform extrusion process for a low-pressure turbine shaft forge piece. The uniform extrusion process for the low-pressure turbine shaft forge piece comprises the steps that S1, a blank is formed; s2, preheating is conducted; s3, lubricating; s4, the blank is subjected to rod feeding extrusion forming; s5, upper rod forming and heat conduction; s6, the blank is subjected to lower rod extrusion forming; s7, lower rod forming heat conduction; s8, upsetting, extruding and forming the blank; s9, upsetting, forming and conducting heat; s10, demolding is conducted; one-heating-number heating and one-step extrusion are performed on the low-pressure turbine shaft forge piece blank, so that the low-pressure turbine shaft forge piece is formed at a time, extrusion stress is more uniform, and the risks of deformation and defects of the shaft forge piece are reduced; a soaking device is used for conducting heat, so that the blank is heated more uniformly in the extrusion process, and the influence of non-uniform heating on the microstructure and the mechanical property of the blank material is reduced; the machining allowance is reduced, the machining period is shortened, the machining efficiency is improved, material waste and production cost are reduced, the final quality of the low-pressure turbine shaft forge piece is improved, and the service life of the low-pressure turbine shaft forge piece is prolonged.

The utility model relates to the technical field of straw processing, and discloses a straw hydraulic packing machine which comprises a mechanism and an installation frame, a hydraulic mechanism is arranged at the end of the installation frame, an installation door is installed on the side portion of the installation frame, a buffer plate is installed at the bottom of the installation frame, and a buffer assembly is connected between the buffer plate and a bottom plate of the installation frame. A vent hole is formed in the side part of the buffer plate, through the arrangement of the vent hole, when the straw is hydraulically pressed, the threaded cover and the vent hole body are unlocked, gas in the straw flows to the vent hole from the vent hole in the side part of the buffer plate, the gas in the straw is allowed to smoothly flow out through the arrangement of the vent hole, the internal pressure is effectively released, and excessive pressure caused by gas accumulation is prevented; the risk in the straw stress process is reduced, and the operation safety is improved.

This utility model discloses a height adjuster for the threshing bin of a corn thresher, belonging to the technical field of corn threshers, and is mainly used to adjust the height of the threshing bin in a corn thresher. The technical problem to be solved by this utility model is to provide a height adjuster for the threshing bin of a corn thresher, including a frame, a threshing bin, a compression spring, a pressure plate, a limiting member, and a rotating rod. From bottom to top, the compression spring, pressure plate, transmission guide, and limiting member are arranged sequentially above the threshing bin. The rotating rod passes through the limiting member and is connected to it via transmission. The lower end of the rotating rod is connected to a transmission guide mechanism. The transmission guide mechanism includes guide parts with a high end and a low end, with a smooth transition guide surface between the high end and the low end. The guide surface abuts against and cooperates with the lower surface of the limiting member. At least two guide parts are arranged circumferentially around the rotating rod, with the high end of one guide part adjacent to the low end of another adjacent guide part. This threshing bin height adjuster stably adjusts the size of the threshing bin and reduces the impact of vibration on the height adjuster.

The present invention relates to a sole pressing production line for shoe manufacturing, comprising an electric control system, a sole pressing unit and a feeding unit, wherein the feeding unit has a correction mechanism for correcting the posture and position of the workpiece; the sole pressing unit comprises a sole pressing conveyor for conveying the workpiece to a working position, a side pressing mechanism arranged on the left and right sides of the sole pressing conveyor, a mounting frame arranged above the sole pressing conveyor, a lifting cylinder installed on the top of the mounting frame, a mounting plate driven by the lifting cylinder to slide up and down along the mounting frame, a top pressing mechanism installed at the bottom of the mounting plate, and a front and rear tightening mechanism installed below the mounting plate through a guide inner frame. The present invention can safely deliver the workpiece to the working position in a standard posture through the feeding conveyor, the correction conveyor, the sole pressing conveyor and the correction mechanism, complete the uniform pressing of the left and right sides through the side pressing mechanism, achieve the uniform pressing of the front and rear sides through the front and rear tightening mechanism, and achieve the uniform pressing of the entire bonding surface through the top pressing mechanism.

The present invention discloses a welding type rail electrical connection device, comprising a wiring connection part combined with a rail, the wiring connection part comprising a base, an oil pipe, a positioning foot, a transfer foot and a connecting foot, the oil pipe is fixedly arranged above the base and is U-shaped, two coaxial and symmetrically distributed wiring pistons are arranged on the top of the oil pipe, the action ends of the two wiring pistons are respectively fixedly connected to the connecting foot, the opposite sides of the two vertical pipes on the oil pipe are connected with a positioning piston, the action end of the positioning piston faces downward and is tightly connected to the positioning foot, and the diverging sides of the two vertical pipes on the oil pipe are fixedly connected with a transfer piston with an action end facing downward. In the present invention, by arranging the oil pipe, the positioning piston, the wiring piston, the transfer piston, the wiring pad, the wiring compression sleeve and the hollow sealing rubber sleeve, the connection between the device and the rail is more reliable, the electrical connection is more reliable, and the moisture-proof and heat-dissipating properties are better.

The invention provides a composite material prefabricated body forming mold and a forming method, and belongs to the field of mold design and manufacturing and composite material manufacturing. The problems that the wall thickness of a product is not uniform, operation is tedious and time is consumed in the production process of a composite material prefabricated body product are solved. The mold removing device comprises side plates, an upper flange, a bottom plate and a mold removing block, the bottom plate is in a groove shape, the upper flange covers the bottom plate, the side plates are arranged at the left end and the right end in the bottom plate, and the mold removing block is arranged at the bottom of the bottom plate. The extrusion force on the four surfaces around the prefabricated body is consistent and uniform in the mold closing process of the prefabricated body. After the prefabricated body is laid, the laid prefabricated body is placed in the prefabricated body forming mold, the upper flange is fastened by the bolts to pressurize the prefabricated body, and under the action of the upper flange, the periphery of the prefabricated body is subjected to uniform counter-acting force of the bottom plate mold, so that the problem that the prefabricated body is damaged due to the fact that the periphery is pressurized in the forming process is solved. And the wall thickness of the composite material around the prefabricated body is not uniform due to non-uniform bolt fastening force.