71results about How to "Reduce hard impact" patented technology

The invention discloses a method for preparing nano cerium oxide composite abrasive particle polishing solution. The method is characterized by taking inorganic abrasive particles as the inner core and a cerium oxide coating as the shell to form the nano cerium oxide composite abrasive particle polishing solution with a core/shell structure, and belongs to the high-precision polishing material preparation technique technical field. The preparation process of the polishing solution is as follows: firstly, the nano cerium oxide composite abrasive particles are prepared by the homogeneous precipitation method; secondly, the polishing solution is prepared through the cerium oxide composite abrasive particles. During the preparation process of the polishing solution, the weight percent of the cerium oxide composite abrasive particles and water is between 2 and 10 percent, and 0.5 to 2 percent of dispersant is added; after further ultrasonic dispersion or ball milling dispersion of mixture, uniform dispersion liquid is formed; and the nano cerium oxide composite abrasive particle polishing solution is obtained after addition of 0.5 to 5 percent of oxidant, 0.05 to 0.1 percent of corrosion inhibitor and 0.05 to 0.1 percent of lubricant (the addition of various materials takes 100 percent of water as the reference basis). The polishing solution is represented by low surface roughness and scratch level, and then an ultra-smooth surface is obtained.

The invention discloses a stainless steel circular thin plate origin forming machine. The stainless steel circular thin plate origin forming machine comprises a rack, wherein an upper supporting frame is fixedly arranged on the top surface of a top plate of the rack; a stamping oil cylinder is fixedly arranged on the middle part of the top surface of the top plate of the upper supporting frame; a pushing rod of the stamping oil cylinder passes through the top plate of the upper supporting frame and is fixedly equipped with an upper supporting plate; an upper mould is fixedly arranged on the middle of the bottom surface of the upper connecting plate; a plurality of stamping convex points are uniformly distributed on the bottom surface of the upper mould; the top surface of the middle part of the top plate of the rack is fixedly equipped with a lower supporting block; a main groove is formed in the middle part of the top surface of the lower supporting block; a mounting block is in plug bush in the main groove; a plurality of buffer springs are fixedly arranged on the bottom surface of the mounting block; the lower ends of the buffer springs are fixedly arranged on the bottom surface of the main groove; and an upper ring-shaped plate is fixedly connected to the top surfaces of the lower supporting blocks through bolts, and resists against the side part of the top surface of the mounting block. According to the stainless steel circular thin plate origin forming machine disclosed by the invention, hard collision between an upper mould and a lower mould can be reduced, so that the stainless steel circular thin plate origin forming machine is prevented from being damaged, and the service life of the stainless steel circular thin plate origin forming machine is prolonged; and meanwhile, the stainless steel circular thin plate origin forming machine is not easily adhered on the lower mould, and is quick in de-molding.

The invention relates to a bushing pressing mechanism which comprises a bottom plate and a fixed component; a drive component is mounted on a top plate of the fixed component; a positioning buffer component is mounted on the bottom plate, a bearing seat of the positioning buffer component is positioned between the bottom plate and the top plate, and a product is positioned on the bearing seat; two groups of pressing components capable of pressing the bearing seat are respectively mounted on the front side and the rear side of the top plate; the bottom of a movable connecting block of the drive component is connected with a mounting frame through a connecting base; a first pressing component capable of pressing a bushing into the left side of the product is mounted at the left part of the mounting frame; a second pressing component capable of pressing a bushing into the right side of the product is mounted at the right part of the mounting frame; a sensor capable of detecting whether the bushings are at pressing positions on the two sides of the product or not is mounted at the bottom of the top plate through a sensor fixing seat; the drive component drives the second pressing component to press the brushing on the right side to a preset position, then the second pressing component is taken as a right side support, the first pressing component presses the bushing on the left side in place, and finally the bushing on the right side is pressed in place.

The invention provides pneumatic manipulator processing equipment and belongs to the technical field of automatic lathes; the technical problems that a pneumatic manipulator in a traditional lathe is long in stroke, workpieces are easy to damage during material receiving and discharging, and chippings and water spots generated by processing are easy to splash to a feeding end are solved by the pneumatic manipulator processing equipment provided by the invention. The pneumatic manipulator processing equipment is arranged on a rack, and comprises a feeding device, a protection device and a material receiving device, wherein the feeding device is provided with a permanent seat and a feeding assembly; the protection device is provided with a guide rod and a protection plate; the material receiving device is provided with a feed cover frame and a feed pipe; a holding tank is formed in the feeding assembly, and moreover, when the feeding assembly moves, the workpieces can be shifted from the holding tank; the rack is provided with a processing end and a feeding end; the protection device can be moved to a position between the processing end and the feeding end, and the processing end and the feeding end are separated; a notch is formed in the bottom part of the feed pipe, and a material receiving plate hinged to the feed pipe is arranged in the notch; a rolling shaft is arranged in the feed cover frame, and the rear end of the material receiving plate is put on the rolling shaft. The stroke of the pneumatic manipulator is shortened, the safety and the cleanness of the feeding end are protected, and the damage to the workpieces is smaller.

The invention discloses a damping and shock insulating bidirectional spherical support which comprises a lower support plate, an upper support plate, anchor bolts and sleeves, wherein a damping rubber plate, a spherical concave liner plate, a spherical surface sliding plate, a spherical crown liner plate and a damping sliding plate are further sequentially arranged from bottom to top between the lower support plate and the upper support plate; the damping sliding plate and the spherical surface sliding plate are respectively adhered to the upper and lower sides of the spherical crown liner plate; guide plates and shearing bolts are arranged at the left and right ends of both the upper support plate and the lower support plate; the guide plates are fixed on the upper support plate and the lower support plate through the shearing bolts. Due to adoption of the damping rubber plate on the lower support plate, the vertical kinetic energy of a bridge is converted into potential energy and heat energy of the bridge itself in earthquake, then the impact of components of the support is alleviated; as the guide plates are fixed on the upper support plate through the shearing bolts, after the earthquake, the support can be recovered by self; if the shearing bolts are cut off, the support can be recovered to a normal use state by only replacing the shearing bolts and resetting the guide plates.

The invention discloses an elastic floating support device for a drawing and extending roller die of a drawing and extending hydraulic press. The elastic floating support device comprises a base seat, a spring seat, a support plate and a guide cylinder, wherein the base seat is fixedly installed on a front beam base plate of the drawing and extending hydraulic press, and a guide through hole is arranged on the pedestal; the spring seat is fixedly installed on the front beam base plate and is located in the guide through hole; the upper end surface of the support plate is a cambered surface matched with a shell of the drawing and extending roller die; and the guide cylinder is sheathed in the guide through hole, the upper end surface is fixedly connected with the support plate, the lower end is in sliding fit with the spring seat, and a spring is pretightened between the guide cylinder and the spring seat. In the invention, the guide cylinder and the spring seat are in sliding fit, the guide cylinder is connected with the support plate for supporting the drawing and extending roller die, and the pretightened spring is installed in the guide cylinder. When the drawing and extending roller die undergoes impacts and vibrations during working, the support plate can buffer the impacts and vibrations of the drawing and extending roller die through the guide cylinder and the support plate in sliding fit with the fixedly installed spring seat and via buffering and resetting of the spring in the guide cylinder.

The invention discloses a partition-type farmhouse for breeding local chickens. The partition-type farmhouse for breeding the local chickens comprises a baseplate, supporting legs are fixedly connected to the lower surface of the baseplate, and supporting plates are fixedly connected to the two sides of the upper surface of the baseplate; the outer walls of the two supporting plates are fixedly connected with the two sides of a connection plate respectively, a separation net is fixedly connected to the inner wall of the connection plate, and the two side faces of the separation net are fixedlyconnected with the opposite faces of the two supporting plates respectively; water pipes are fixedly inserted and connected into the two supporting plates. Through toothed grooves of the surfaces ofa hand wheel and a rotation rod, a movable ring conveniently rotates, a first toothed block is used for conveniently moving a thread rod for control in the up-down direction, the function of controlling a movable plate to move up and down is achieved, the angles of movable rods and a supporting net are conveniently adjusted, eggs clamped to the supporting net are conveniently moved, the function of sufficiently collecting the eggs is achieved, the rolling speed of the eggs can be controlled, and the eggs are not easily broken.

The invention discloses a damping and shock insulating spherical fixing support which comprises a lower support plate, an upper support plate, anchor bolts, sleeves as well as guide plates and shearing bolts, wherein a damping rubber plate, a spherical concave liner plate, a spherical surface sliding plate, a spherical crown liner plate and a damping sliding plate are further sequentially arranged from bottom to top between the lower support plate and the upper support plate; the damping sliding plate and the spherical surface sliding plate are respectively adhered to the upper and lower sides of the spherical crown liner plate; four sets of guide plates and shearing bolts are provided; the guide plates are fixed at the front, rear, left and right ends of the upper support plate through the shearing bolts. Due to adoption of the damping rubber plate on the lower support plate, the vertical kinetic energy of a bridge is converted into potential energy and heat energy of the bridge itself in earthquake, and then the impact of components of the support is alleviated; as the guide plates are fixed on the upper support plate through the shearing bolts, if the shearing bolts are cut off, the support can be recovered to a normal use state by only replacing the shearing bolts and resetting the guide plates.

The invention provides a material receiving device and belongs to the technical field of automatic lathes. The material receiving device solves the technical problems that when an existing material receiving device is used in the material receiving process, a workpiece is easy to damage, and the material receiving performance of the existing material receiving device is poor. The material receiving device is installed on a machine frame and comprises a material cover frame and a material pipe, wherein the material cover frame is arranged in a front-and-back communicating mode, and the materialpipe is arranged in the material cover frame and can move in the material cover frame. The top of the material pipe is connected with the material cover frame. A notch is formed in the bottom of thematerial pipe. A material receiving plate is arranged in the notch, wherein one end of the material receiving plate is hinged to the material pipe and can be opened or closed together with the material pipe. A roller shaft is arranged in the material cover frame, and the material receiving plate is arranged on the roller shaft. When the material pipe moves on the material cover frame, the materialreceiving plate moves on the roller shaft, and the material receiving plate and the material pipe are enabled to be opened or closed. The material receiving device has the beneficial effects that inthe falling process of workpieces, the inertia of the workpieces is small, the impact between the workpieces is reduced, the friction between the workpieces and the material receiving plate is small,the abrasion of the material receiving plate and workpieces is small, and the service life of the material receiving plate is prolonged.

The invention discloses a clamp device for opening an electrolytic cell cover plate, and belongs to the technical field of metallurgical machinery, and particularly relates to a cell cover plate gripping device. The invention provides the clamp device for opening the electrolytic cell cover plate, and the clamp device does not need manual operation, is convenient to use, and is high in efficiency. The clamp device comprises a clamp fixed mount, wherein a clamp body is arranged on the clamp fixed mount. The clamp device is characterized in that the lower end of the clamp fixed mount is hinged with a swing regulating base; the clamp body comprises an opening-closing drive device connected to the clamp fixed mount, wherein the end part of the opening-closing drive device is hinged with one end of the lower part of a specially-shaped frame; the middle position of the lower part of the specially-shaped frame is hinged with the swing regulating base; and the other end of the lower part of the specially-shaped frame is hinged with a moving drive device.

The invention discloses a peanut seed sheller, and belongs to the technical field of peanut seed shellers. The peanut seed sheller comprises a rack, a feed hopper which is arranged on the rack, a peanut shelling device, a kernel/shell winnowing and separation device, a driving motor and a transmission device; the outer wall of the feed hopper is hinged with the rack; the peanut shelling device isarranged below the feed hopper through the rack and comprises a shelling structure, a replication structure and a peanut shell/kernel uniform distribution structure; the shelling structure comprises aroller and an arc-shaped screen body; the roller comprises a roller shaft and a plurality of rubbing columns; each rubbing column comprises a column core and a nylon sleeve; the inner holes of the nylon sleeves are connected with the column cores in a sliding matching manner; a plurality of grooves are radially formed in the column surfaces of the nylon sleeves; the grooves are uniformly arrangedalong the circumferences of the column surfaces of the nylon sleeves; and the replication structure comprises a cross joint type universal coupling and a short shaft which is connected with the crossjoint type universal coupling end to end. The peanut seed sheller has the advantages of being convenient to clean the sundries of arc-shaped screens, causing less damages to the peanut seed kernels and the skins of the peanut seed kernels in the shelling process, and being high in efficiency of obtaining high-quality peanut seeds.

The invention discloses a peanut shelling device for a peanut seed shelling machine, and belongs to the technical field of peanut shelling machines. The peanut shelling device includes a shelling structure, a turning structure and an uniform distribution structure of peanut pods. The shelling structure includes a roller and an arc-shaped sieve body. The roller includes a roller shaft and a plurality of rubbing columns, each rubbing column includes a column core and a nylon sleeve. The inner hole of the nylon sleeve is slidably connected with the column core, and a plurality of grooves are provided radially on the cylindrical surface of the nylon sleeve, and each groove is evenly distributed along the circumferential direction of the cylindrical surface of the nylon sleeve. The turning structure includes a cross shaft universal coupling and a short shaft connected from end to end. The uniform distribution structure of peanut pods includes two spiral blades symmetrically arranged on theroller shaft. The rotation direction of the two spiral blades causes the peanut pods to be pushed from the middle to both ends, and the pitch of the two spiral blades gradually increases from the inner end to the outer end. The device has the advantages of being convenient for cleaning the debris of the arc-sieve, thereby causing less damage to the peanut seed kernel and the peanut seed red coat during the shelling process and obtaining high-quality peanut seeds with high efficiency.