135results about How to "Solve the deformation" patented technology

The application discloses a mechanical clamp jaw with anti-deviation positioning function and relates to the technical field of mechanical clamp jaws.The mechanical clamp jaw comprises two groups of jaw bodies arranged in the interior of an assembly body and used for assisting in clamping assembly of a direct-current contactor.The direct-current contactor comprises an upper shell and a lower shell.The mechanical clamp jaw triggers an inner elastic support structure through a clamping process linkage, can support the inner wall of a weak recessed opening of the upper shell of the direct-current contactor by a support plate when clamping the upper shell, effectively balances clamping extrusion force, restricts the inward collapse and distortion of the opening edge, accurately maintains the original size and shape of the opening, guarantees the basic matching precision of the openings of the upper and lower shells, and automatically completes the accurate alignment and communication of the openings of the upper and lower shells by relying on an anti-deviation positioning assembly to adaptively rotate and correct the lower shell with placement deviation during the assembly butt joint process of the shells, so that the problems of shell clamping deformation, assembly alignment deviation and assembly failure that are prone to occur in traditional clamp jaws are solved.

This utility model discloses a packaging mold for a suspended guide coil, relating to the field of mold packaging technology. The device includes a material carrier plate; the material carrier plate has a material-carrying cavity inside, and the top and bottom of the material-carrying cavity are respectively provided with a first mounting limiting groove and a second mounting limiting groove. The first and second mounting limiting grooves are respectively fitted with a first molding component and a second molding component, which support the top and bottom coils. A lead wire support assembly is provided below the bottom coil. The packaging mold for the suspended guide coil of this utility model, through the mutual cooperation of various structures / components in the lead wire support assembly, ensures the parallelism of the three lead wires during the packaging process, effectively avoiding deformation under external force and improving the packaging accuracy of the coil.

The utility model provides a casing assembly structure and microwave oven, including rear cover and casing, the rear cover is installed on the casing, wherein the front side of rear cover is equipped with the front buckle, the casing is equipped with the front slot, the front side of rear cover is connected with the front slot of casing through the front buckle, its characterized in that: the front buckle is equipped with the front slot. A side buckle is arranged on the side face of the rear cover, a side clamping groove is formed in the corresponding position of the outer shell, and the side face of the rear cover is fixed through the side buckle and the side clamping groove of the outer shell. Through a buckle and clamping groove combined structure on the side face, the side face of the rear cover is fixed, the installation position of the rear cover can be accurately positioned when the rear cover and the shell are assembled, the structure is reliable, and the problem of deformation possibly caused by parallel installation can be synchronously solved.

The utility model discloses a vertical quenching machine tool, which relates to the technical field of vertical quenching appliances and comprises a base and a support frame mounted on the base, a heating mechanism is mounted in the base, a cooling mechanism is mounted at the bottom end of the support frame, a positioning mechanism is mounted at the top end of the support frame, and a chain matched with the positioning mechanism is mounted on the support frame; through the matching of the positioning mechanism and the moving assembly, the height of the positioning drill bit and the position of the heating ring can be conveniently changed, so that the quenching device can adapt to machined parts of different specifications, the quenching is relatively uniform, and the product quality is improved; through the cooperation of a pipeline and a second lead screw which are independently arranged, the cooling position and the cooling efficiency can be accurately positioned according to the quenching requirement, so that the machining precision is improved, and the problems of dimensional deviation and deformation are avoided; and finally, the problems that an existing device cannot adapt to machined parts of different specifications and the cooling precision is limited, so that the quenched machined parts have size deviation and deformation are solved.

The invention belongs to the technical field of casting, provides a casting method of a seat ring, and particularly relates to a casting method of a hydroelectric seat ring, which comprises the following steps: dividing the seat ring into a first half seat ring and a second half seat ring, and integrally casting and forming the first half seat ring and the second half seat ring through a plurality of communicating structures, and the communicating structure is respectively communicated with the cavities of the first half seat ring and the second half seat ring. The mode that the two semi-ring castings are integrally cast is adopted, the rigidity of the castings can be improved, and the castings are prevented from deforming in the processes of solidification, box dismantling and the like. And the two half seat rings which are arranged up and down are fed at the same time by adopting the same riser, so that the yield is greatly improved and can reach 42%. When a pouring system is designed, the pouring pressure head is heightened, and the pressure head is enough in height, so that enough pressure is provided only when molten metal in a cavity rises, the mold filling speed of the molten metal is ensured, the problem of steel return due to low pouring pressure head is effectively avoided, and the quality of the upper crown surface of a casting is ensured.

The utility model relates to the technical field of glass production equipment, and discloses a compressed air valve group, an auxiliary combustion spray gun and a side fire combustion auxiliary device, and the compressed air valve group comprises a first air delivery pipe body, a first valve body, a regulating valve, a monitoring element and a controller. By arranging a closed-loop control structure of an adjusting valve and a real-time monitoring element, the compressed air supply state can be dynamically and accurately adjusted, and the stability of the side fire combustion process is improved; the controller can respond in real time according to parameters fed back by the monitoring element, control lag is reduced, and the response efficiency of the system is improved; by monitoring the state of the compressed gas in real time and quickly adjusting the compressed gas, abnormal combustion caused by excessive or insufficient gas supply can be avoided, and the continuity and safety of the kiln edge burning process are guaranteed, so that the production quality and production efficiency of glass products are improved.

The utility model relates to the technical field of kitchen appliances, and discloses an exhaust fume collecting hood of a range hood, which is provided with an exhaust fume suction port and an exhaust fume collecting cavity, and comprises an exhaust fume collecting hood shell, an exhaust fume collecting hood cover and an exhaust fume collecting hood cover, the opening and closing plate is used for opening or closing the smoke suction port; the opening and closing mechanism comprises a mounting frame and a first connecting rod, the first connecting rod is connected to the mounting frame and the opening and closing plate, the mounting frame is mounted on the lower surface of the top plate and adjacent to the side plate, and a reinforcing structure is arranged between the mounting frame and the side plate. According to the utility model, the opening and closing mechanism is fixed on the top plate, so that the appearance of the product is ensured, the opening and closing mechanism is convenient to install and fix, and the reinforcing structure is arranged near the top plate, so that the reinforcing structure can support and reinforce the top plate, and the bearing capacity of the top plate is improved; the deformation of the top plate caused by the long-term weight effect of the opening and closing mechanism is avoided, and the overall structural strength of the exhaust fume collecting hood and the movement stability of the opening and closing mechanism are guaranteed.

The application relates to an energy storage cabinet, which comprises a cabinet body, a first cabinet door and a second cabinet door. The cabinet body comprises a battery cabin and an electrical cabin arranged along a vertical direction, and the cabinet body, the battery cabin and the electrical cabin coincide along a vertical direction. A plurality of battery modules arranged in columns are arranged symmetrically relative to the vertical direction of the battery cabin along the vertical direction. The first cabinet door and the second cabinet door are both assembled to the cabinet body, the first cabinet door is used for opening or closing the battery cabin, and the second cabinet door is used for opening or closing the battery cabin and the electrical cabin. The first cabinet door comprises an even number of first sub-cabinet doors mounted to the cabinet body, and the even number of first sub-cabinet doors are arranged symmetrically relative to the vertical direction of the battery cabin along the vertical direction. Therefore, the energy storage cabinet according to the application not only eliminates the problem of lateral gravity center deviation of a traditional energy storage cabinet; meanwhile, the cabinet door adopts a partitioned independent opening and closing structure for convenient maintenance, the larger first cabinet door is a double-leaf door structure, the door plate size is significantly reduced, and the problems of easy deformation of the door plate and overload of the hinge are solved.

This utility model belongs to the field of machining technology, and particularly relates to a tapping fixture for a rotating shaft cover, including a base frame, a base, a clamping cylinder, a lower clamping plate, and an upper clamping plate. The lower clamping plate has a lower positioning seat with a lower positioning groove. The bottom of the upper clamping plate has a limiting protrusion that is installed in the lower positioning groove. The base has mounting holes and a clearance groove. A guide rod is provided between the base and the upper clamping plate. The clamping cylinder includes a clamping cylinder body and a clamping piston rod; the clamping cylinder body is fixedly connected to the base, and the clamping piston rod is movably connected to the clamping cylinder body. The rotating shaft cover tapping fixture provided in this application, through the cooperation of the lower positioning groove and the limiting protrusion, and the setting of the limiting shaft hole, can accurately position the rotating shaft cover, ensuring the accuracy of the tapping position; the three evenly distributed clamping cylinders provide balanced clamping force, avoiding the deformation problem of the rotating shaft cover caused by uneven clamping force in traditional fixtures.

This utility model discloses a machined male-female connector assembly belonging to the field of electrical connector technology. It includes a male connector portion and a female connector portion detachably pluggable to the male connector portion. The male connector portion includes a male connector with a built-in male mounting shaft hole, a male pin disposed within the male mounting shaft hole, and a male insulating sleeve axially wrapping the male pin. The female connector portion includes a female connector with a built-in female mounting shaft hole, a female pin cylinder disposed within the female mounting shaft hole, and a female insulating sleeve axially wrapping the female pin cylinder. This utility model uses a CNC lathe for precision machining of the male connector, male pin, female connector, and female pin cylinder, ensuring the roundness of the parts and solving the deformation problem caused by traditional stamping processes. This results in smoother and more reliable pluggable contact between the female connector and the female pin cylinder, improving conduction stability. It features a simple structure, high reliability, and long service life.

The utility model discloses a vehicle body side panel transfer trolley, which relates to the technical field of transport vehicles and comprises a chassis frame, a support frame, a plurality of traveling wheels and two groups of hanging plate components. Wherein the walking wheels are mounted on the chassis frame at intervals and used for supporting the chassis frame to move; the supporting frame comprises a supporting cross rod and at least two supporting columns, the multiple supporting columns are installed on the side, away from the walking wheels, of the chassis frame at intervals, the supporting columns are perpendicular to the top face of the chassis frame, the supporting cross rod is installed on the supporting columns, and the supporting cross rod is parallel to the length direction of the chassis frame; the two sets of hanging plate assemblies are installed on the supporting cross rod at intervals, each hanging plate assembly comprises a hanging rod and a connecting piece, the hanging rods are installed on the connecting pieces, the connecting pieces are clamped on the supporting cross rod, the hanging rods are perpendicular to the supporting cross rod, and the distances between the two ends of each hanging rod and the supporting cross rod are equal. Thus, the vehicle body side coaming can be hung on the hanging rod, the vehicle body side coaming can be conveniently taken down at any time, and the situation that the quality detection result of the plate is affected due to mutual contact of the vehicle body side coaming is avoided.

This utility model provides an outward expansion and shaping mechanism, including a machine base. A longitudinal displacement component is provided on the end face of the machine base, and a transverse displacement component is mounted above the machine base. A product carrier component is disposed on the output end of the longitudinal displacement component. A plurality of product positioning structures are arrayed on the product carrier component. The product positioning structures are arranged sequentially from front to back as strip-shaped support parts and U-shaped support parts. A product positioning protrusion is provided at the upper middle part of the U-shaped support part. A shaping component is disposed on the output end of the transverse displacement component. The shaping component includes a lifting component and an outward expansion component located at the output end of the lifting component. Outward tensioning rods are symmetrically arranged on both sides of the bottom end of the outward expansion component. The two symmetrical outward tensioning rods are sequentially slidably pressed and installed on the left and right sides of the product on the product positioning structure through their inner sides. This utility model relates to the field of precision electronic component manufacturing.

This invention relates to the field of turbocharger manufacturing technology, specifically to a machining method for a ZB axial bearing of a 170 turbocharger. The method involves a fitter marking the workpiece's center line and aligning it accordingly, followed by milling oil grooves and drilling. The machined inner hole is used to position the ZB axial bearing workpiece, and milling and drilling are performed again, followed by deburring. A three-jaw chuck is used to hold the large outer diameter of the ZB axial bearing workpiece, and a first finishing turn is performed, finishing the two semi-finished end faces. A second finishing turn is performed, clamping the two end faces from the first finishing turn, aligning them, and then finishing the outline of the part's large shape. The workpiece is then aligned, followed by a third finishing turn. After milling the inclined grooves and drilling, an additional finishing turn is added, requiring the positioning and clamping surfaces of the finishing tool to have a parallelism within 0.004mm, effectively solving the deformation problem caused by milling and drilling on the positioning and clamping surfaces.

This utility model relates to the field of diode manufacturing technology and discloses a diode sorting machine, including a guide plate on one side of a transfer assembly, auxiliary plates on both sides of the guide plate, an indexing frame fixedly connected to the guide plate, an indexing wheel rotatably connected to the indexing frame, multiple indexing plates fixedly connected to the indexing wheel, a motor inserted into the indexing wheel, a slide rod below the indexing frame, a drive shaft below the slide rod, a conveyor distribution box connected to the drive shaft, a second motor inserted into the drive shaft, a collection box below the conveyor distribution box, and a slidably connected inside a fixed frame. By using the guide plate and auxiliary plates to guide the diodes, and in conjunction with the indexing wheel and motor, the diodes can be intermittently distributed, and the conveyor distribution box allows the diodes to move smoothly into the collection box, effectively solving the problem of diodes falling into the collection box and causing pin deformation due to collision.

The utility model relates to a linkage structure of a multi-pole contact of a dual-power change-over switch, comprising a rotating shaft which is a metal shaft; the handle is mounted at one end of the rotating shaft and synchronously rotates with the rotating shaft under the action of external force; the multi-pole contact is linked with the rotating shaft; the multi-pole contact comprises at least two poles of moving contact assemblies which are arranged on a rotating shaft along the axial direction; one end of the driving shaft is connected with the electromagnetic driving device, and the other end is axially mounted on the other side of the handle relative to the rotating shaft; under the action of the electromagnetic driving device, the driving shaft can horizontally move in the direction perpendicular to the rotating shaft, and then the handle and the rotating shaft are driven to rotate. In the scheme, the linkage structure comprises the rotating shaft, the handle, the multi-pole contact and the driving shaft, the rotating shaft is a metal shaft, the handle and the multi-pole contact are both sleeved on the metal shaft, the driving shaft is installed on the handle, the metal shaft is used as a linkage piece, the handle, the multi-pole contact and the metal shaft are in synchronous linkage, and the linkage consistency is good.

The application discloses an energy-saving glass forming machine and relates to the technical field of glass forming machines, which comprises a blowing device and an operation table, the operation table is fixedly connected with a driving motor and a guide rod, the output shaft of the driving motor is fixedly connected with a reciprocating screw rod, and the guide rod is symmetrically screw-connected with a mold; after the blowing work is completed by the blowing head, the scraper can clean the blowing head, the device is rotated around the outer ring surface of the blowing head by the scraper, so that the glass residue on the outer ring surface of the blowing head is timely removed, the blowing of the blowing device is ensured to be smooth, the residues are prevented from adhering to the mouth of the next glass bottle, the scraper is used for cleaning after each blowing, the residues of the glass caused by untimely cleaning can be effectively avoided, the defective products or waste products caused by the residues of the glass can be solved, the residues of the glass adhered to the blowing head after each blowing of the blowing device are removed, the defective products and the substandard products caused by the residues of the glass can be solved, and therefore, resource waste and the waste product rate are reduced.

The utility model discloses an anti -falling type student vacuum cup belongs to vacuum cup technical field, an anti -falling type student vacuum cup, including shell and inner bag, the inner bag fixed connection in the inside of shell, the upper portion of inner bag is buckled and is connected with the cover, the upper portion of cover is screwed with the top cap, the top cap is screwed with the cup cover, the outside fixed of cover is equipped with the LOGO signboard, the upper portion of LOGO signboard is equipped with the cover band, one side of cover band is provided with the bandage, the outside of bandage is equipped with the band hoop, the bottom fixed of inner bag is equipped with buckling layer no.

The utility model provides a sludge scraper for sewage treatment, which belongs to the technical field of environmental protection equipment and comprises a bottom frame, a connecting rod fixedly mounted on the side wall of the bottom frame, a connecting seat fixedly mounted on the side wall of the connecting rod, a connecting frame fixedly connected to the side wall of the bottom frame, a connecting assembly arranged on the side wall of the bottom frame and a connecting assembly arranged on the surface of the connecting frame. The auxiliary assembly is arranged at the bottom of the bottom frame. Through the arrangement of the mounting assembly and the connecting assembly, the mud scraper can be quickly switched between two working modes of rotary mud scraping and reciprocating mud scraping, and the working condition adaptability of equipment is improved; the steel cable traction type connecting assembly is matched with the rigid bottom frame, so that the problem that a traditional mud scraper is prone to deformation in the operation process is effectively solved; the clamping seat type scraper is arranged, so that quick replacement and maintenance are facilitated, and the optimal contact pressure between the scraper and the pool bottom can be always kept; the arrangement of the multifunctional interface of the mounting plate can be compatible with quick butt joint of different driving devices.

The utility model provides a high-stability temperature and pressure integrated sensor, and relates to the technical field of sensors, and the high-stability temperature and pressure integrated sensor comprises a connecting piece; the shell is provided with an inner cavity, the opening end of the inner cavity of the shell is connected with the connecting piece, and the other end, away from the opening end of the inner cavity, of the shell is provided with a first channel and a second channel which are communicated with the inner cavity and are independent of each other; one end of the protection tube is located in the first channel; the pressure sensing piece is arranged in the inner cavity, the pressure sensing piece is communicated with the second channel, and a through hole is formed in the pressure sensing piece; one end of the temperature sensing piece is located in the protection tube, and the other end of the temperature sensing piece passes through the through hole through the first channel; and the circuit board is located on the pressure sensing piece, and the temperature and pressure integrated sensor effectively improves the precision and the reliability of a product.

The invention relates to the technical field of mechanical clamping devices, in particular to a clamping and feeding robot for mechanical sealing element production, which comprises a movable base, a cable storage assembly is arranged on the inner wall of a port of the movable base, and a feeding manipulator is arranged on the base surface of the movable base; according to the invention, by arranging the cable storage assembly, cable parts can be stored and tightened; the feeding mechanical arm can automatically stop when colliding through the contact sensing assembly. When an electric control clamping jaw moves, a linkage positioning block drives a limiting sliding rod to longitudinally move on the inner wall of a fixed sleeve, a positioning spring is extruded through a guide block, meanwhile, the positioning block drives a first guide plate to rotate through a rotating shaft, and then an arc-shaped elastic plate is extruded to drive a linkage second guide plate to rotate around the rotating shaft; and the electric control clamping jaw synchronously drives the flexible cushion block to abut against the outer wall of the material, so that the flexible clamping assembly synchronously and stably clamps the inner wall and the outer wall of the material.

The utility model relates to the technical field of explosion door processing auxiliary equipment, specifically discloses an oil dirt cleaning device for explosion door processing piece to solve the problem that the existing oil dirt cleaning equipment is inconvenient to adjust height and the dead angle cleaning is not thorough, and the utility model relates to an oil dirt cleaning device for explosion door processing piece, including: the box, the upper surface of box still is provided with lifting mechanism and cleaning mechanism, lifting mechanism includes drive motor fixedly connected on the upper surface of box, and the left and right sides inside the box are fixedly connected with a pair of mounting bracket, a pair of rotating shafts are movably connected in a pair of mounting bracket, and a pair of belt pulleys are fixedly connected on the outer wall of a pair of rotating shafts. Through the setting of cleaning mechanism, servo motor drives rotating shaft rotation, drives sliding plate horizontal movement, and cooperation telescopic rod telescopic adjustment and the cleaning plate multidirectional rotation driven by connecting shaft, can go into the dead angle, recess and other parts that manual difficult to touch of explosion door processing piece.

The invention discloses a pressing type hair combing device in the technical field of hair combing tools. The hair combing device comprises a shell, a combing plate, a hair retreating piece and a pressing reset mechanism. The comb plate is arranged at the bottom of the shell, and comb teeth are arranged at the bottom of the comb plate; the hair retreating piece is provided with a pressing reset mechanism for driving the hair retreating piece to move along the comb teeth; the dehairing piece comprises a fixing frame and a plurality of pull ropes, and a gap is reserved between every two adjacent pull ropes; the two ends of the pull rope are connected to the fixing frame respectively, and the pull rope has movement allowance on the fixing frame. The comb has the advantages that by arranging the pull rope type hair retreating piece with the movement allowance, the comb adapts to diversified layout of comb teeth, and the hair combing and cleaning effect is improved.

The utility model discloses a machining sucking disc jig frock, including jig body, dowel and sealing washer, the top surface of jig body is provided with the front face adsorption station and the reverse face adsorption station, and the front face adsorption station and the reverse face adsorption station all are provided with product placing groove, and the front face placing groove is installed at least two dowels for positioning product, and the dowel is cooperated with the taper hole on the product, and the first sealing washer for sealing the product center hole, the second sealing washer for sealing the product taper hole and the third sealing washer for sealing the product are installed at the front face placing groove, and the size of the back of taper hole is greater than the size of its front, and the second sealing washer size is big and close to the first sealing washer, and the front face placing groove is provided with three independent adsorption cavities, and the first suction hole that communicates with adsorption cavity is arranged in the side end of jig body, and the first suction hole is connected with vacuum pump through plastic air pipe. Through above -mentioned mode, the utility model solves the product deformation problem caused by the manual clamping of the thin workpiece.

The utility model relates to the technical field of packaging box fixing, in particular to a practical combined packaging box body capable of preventing products from being scratched and deformed. The packaging box comprises a packaging box body, a reinforcing frame is fixedly connected to the outer side of the packaging box body, a fixing assembly is arranged in the packaging box body and comprises a double-thread screw, threaded grooves are formed in the positions, located at the two ends, of the outer side of the double-thread screw, and hexagonal nuts are connected to the positions, located at the two ends, of the outer side of the double-thread screw in a threaded mode. Due to the fact that no fixing piece is arranged in an existing packaging box body, goods can extrude the packaging box body in the transportation process and deform or damage the goods, the goods in the packaging box body can be limited through the double-thread screw in the fixing assembly, and therefore the goods can be conveniently and rapidly transported. And meanwhile, the goods in the packaging box body can be fixed through the two hexagon nuts, and therefore the problem that the goods move in the packaging box body, and consequently the goods are deformed or damaged can be solved.

The application relates to the technical field of image processors, and discloses a tumor incisal edge design method based on a skin local image. The method comprises the following steps: establishing a global space coordinate system associated with the skin of a patient; collecting a local image and a six-degree-of-freedom pose by using a handheld device integrated with a pose tracking function; projecting and fusing the image to a digital surface model in real time to generate a panoramic image; segmenting a tumor boundary by using a deep learning model, and generating a safe incisal edge path by outward expansion based on a geometric algorithm; and finally projecting the incisal edge to the skin surface in the form of structured light by using a built-in projection unit of the device. The application realizes high-precision and low-delay dynamic planning and visualized guidance of the tumor incisal edge, and improves the precision and efficiency of the operation.

The application relates to the technical field of flue gas heat recovery equipment, in particular to a heating furnace cooling device which comprises a cavity, a motor, a liquid receiving hopper, a mixing cavity, a movable cavity and a heat insulation cavity, the upper and lower ends of the cavity are respectively provided with a spraying pipe and a flue, a liquid discharge pipe is arranged at the bottom of the cavity, the motor is fixedly arranged at the top end of the cavity, a first fan blade is arranged on the rotating shaft of the motor, a second fan blade and a stirring blade are arranged in the liquid receiving hopper, the mixing cavity is arranged at the top of the cavity, the movable cavity is cooperated with the mixing cavity and a connecting pipe at two ends, and the heat insulation cavity surrounds the side of the cavity. The device directly contacts the flue gas with the water mist-shaped heat conducting medium without a medium layer in the middle, the contact area is large, the heat exchange rate is fast, the cooling and heat recovery of the flue gas can be rapidly completed, the position of the movable cavity and the rotating speed of the stirring blade can be self-adaptively adjusted according to the flue gas inflow, and the flue gas and the adaptive amount of the heat conducting medium can be fully mixed to complete the heat exchange and cooling process.

The utility model relates to paper box paperboard production technical field discloses a kind of paperboard drying device for paper box production, including drying cabinet, rotating shaft and threaded rod are rotatably connected between the top and bottom of the inner wall of drying cabinet, the outer surface of rotating shaft is fixedly provided with cabinet door. The utility model is cooperatively used by transmission mechanism, cabinet door, extrusion plate and threaded rod and other structures, the action of switch cabinet door can be utilized, the rising and lowering of extrusion plate automation is realized, the paperboard to be dried is clamped by the lowering of extrusion plate, so as to offset the non-uniform shrinkage stress caused by moisture content difference, prevent local warping deformation, avoid the paperboard deformation problem caused by lack of compaction during drying process of the paperboard to be dried, when opening cabinet door, extrusion plate is automatically reset to release pressure, and it is convenient for operator to quickly take and place paperboard, so as to improve the drying quality of paper box paperboard, also improve production efficiency.

This invention discloses a worm gear and forming wheel composite gear grinding machine for processing large gears, including a bed and a workpiece clamping mechanism and a composite machining mechanism arranged opposite to each other on the bed. The composite machining mechanism includes a column, a column slide plate, and a rotary table. The column is slidably mounted on the bed, and the column slide plate is slidably connected to the column. One side of the rotary table is rotatably connected to the column slide plate, and the other side of the rotary table is connected to a grinding feed assembly and a dressing feed assembly. The grinding feed assembly includes a grinding slide plate that slides along a first direction, a grinding spindle mounted on the grinding slide plate, and a grinding wheel. The dressing feed assembly includes a dressing slide plate that slides along a second direction and a dressing assembly. The grinding feed assembly and the dressing feed assembly are used for workpiece processing and grinding wheel dressing, respectively. This invention integrates grinding and dressing on the same rotary table, shortens the transmission chain, and realizes rapid switching between processing and online grinding wheel dressing.

The utility model belongs to the technical field of textile equipment, and particularly relates to a cloth drying device which comprises an extrusion mechanism, a first drying box and a second drying box, the extrusion mechanism comprises a frame body, two extrusion rollers which are oppositely arranged are arranged on the frame body, and telescopic pieces are arranged at the two ends of the two extrusion rollers; an air inlet pipeline and an air return pipeline are arranged between the first drying box and the second drying box, a hot air generator and a main fan are arranged on the air inlet pipeline, the main fan is used for conveying hot air generated by the hot air generator into the second drying box, and the air return pipeline is used for recycling the hot air in the second drying box into the first drying box. According to the cloth drying device, dyed cloth is firstly extruded through the extrusion mechanism to discharge water, and then the cloth is dried step by step through the first drying box and the second drying box, so that the cloth can be pre-dried and finally dried under different temperature conditions, and the drying efficiency and quality are further improved.

The utility model relates to the technical field of spiral conveying, in particular to a bidirectional conveying spiral assembly which comprises a double-spiral conveying assembly used for conveying materials, a protective cover arranged on the outer side of the double-spiral conveying assembly and a driving assembly installed on one side of the protective cover. The conveying belt rotates in the protective cover and is used for conveying materials; the double-screw conveying assembly comprises two screw parts, the two screw parts are symmetrically arranged, a vertical plate is arranged in the middle of each screw part, and one or more scraping plates which are arranged at equal intervals are fixed to the two sides of each vertical plate; materials can be scraped in real time through the scraping plates on the two sides of the vertical plate when the spiral component rotates, and excessive accumulation of the materials in a spiral area is avoided from the source. The high-strength wear-resistant material and the special design can cope with hard materials, the problem that a traditional scraper is prone to deformation is solved, smoothness of a conveying channel is guaranteed, and the blocking risk is reduced.