9results about How to "Compaction" patented technology

The utility model discloses a sealing door structure, and belongs to the technical field of sealing. A sealing door structure comprises a door plate used for sealing a cavity and further comprises a guide frame, a telescopic driving part rotationally connected to the guide frame, an installation frame slidably connected in the length direction of the guide frame, the door plate (4) connected to the installation frame and an L-shaped locking plate, and the end of the short section of the locking plate is rotationally connected with the output end of the driving part. The end of the long section is rotationally connected to the mounting frame, the long section is rotationally connected with the door plate through a switching part, and when the driving part works, the plane where the door plate is located is parallel to or intersects with the plane where the guide frame is located; the lock plate driven in a sliding mode forms a connecting rod mechanism, the door plate opens and closes the cavity, when the door plate slides to the opening of the cavity, the door plate can be driven to rotate by driving the lock plate to be buckled at the opening of the cavity, dislocation of the sealing strip can be prevented, and opening and closing smoothness and sealing reliability of the door plate are effectively improved.

The utility model discloses a kind of stable safe convenient ceramic sealed battery electrode assemblies, including upper cover and electrode column, electrode column outer periphery is equipped with support part, ceramic sealing ring is equipped between support part and upper cover, ceramic sealing ring lower surface and support part upper surface are sealed connection by sealing layer, ceramic sealing ring upper surface and upper cover lower surface are sealed connection by sealing layer, or ceramic sealing ring upper surface and support part lower surface are sealed connection by sealing layer, ceramic sealing ring lower surface and upper cover upper surface are sealed connection by sealing layer.Its advantage is that there is no cutting force between electrode column side wall and sealing layer, ceramic sealing ring lower surface and support part upper surface are compacted tightly, sealing effect is better, sealing is more stable;There is no cutting force between upper cover side wall and sealing layer, ceramic sealing ring upper surface and support part lower surface are compacted tightly, sealing effect is better, sealing is more stable.

The invention relates to the technical field of floor tile processing, and provides a floor tile manufacturing device for pseudo-classic architecture.The floor tile manufacturing device comprises a rack, a pressing die, a platform, side dies and bottom dies, the pressing die is arranged on the rack in a lifting and sliding mode, the platform is used for being arranged on the rack, the side dies are transversely arranged on the platform in a sliding mode, the side dies are arranged in pairs, and the bottom dies are arranged on the rack in a lifting and sliding mode; a pressing space is formed between the bottom die and the two side dies and used for being filled with raw materials, the pressing die is used for entering the pressing space and pressing the raw materials after sliding, supporting ribs are transversely arranged on the side dies and used for bearing floor tile products formed through pressing, and the bottom die abuts against or cancels abutting against the supporting ribs after sliding. According to the technical scheme, the problems that in site construction in the prior art, after floor tiles are pressed, the pushing stroke of a traditional horizontal pushing discharging mode is long, the friction degree between the traditional horizontal pushing discharging mode and the floor tiles is high, and the surface quality of the floor tiles is likely to be affected are solved.

The utility model discloses a rewinding machine relates to the field of steel wire net processing, include: raw material frame and rewinding frame, the raw material frame top swing is provided with raw material roll, the raw material roll is used for winding the uncompacted steel wire net, the rewinding frame top swing is installed with rewinding roll, the rewinding roll is used for winding steel wire net, the rewinding roll one side is provided with the recess, the recess is used for fixing steel wire net, this kind of rewinding machine, through setting up bilateral symmetry's auxiliary shaft compaction mechanism, realized the dynamic pressurization of steel wire roll layer by layer, the inside symmetrical arrangement of movable frame no.

The utility model relates to the technical field of film mulching machines, in particular to a portable film mulching device for potato planting, which comprises a frame, two furrow openers are symmetrically arranged on the front side of the frame, two soil covering plates are symmetrically arranged on the rear side of the frame, a film mulching component is arranged on the frame and comprises two symmetrically arranged mounting racks, through holes are formed in the mounting racks, and the two furrow openers and the two soil covering plates are arranged on the frame. An inserting rod is inserted into the through hole, an outer threaded sleeve coaxial with the through hole is arranged on the mounting frame, a nut is arranged at the outer end of the inserting rod, and a film covering roller is arranged on the frame. During film mulching, the furrow opener and the soil covering plate abut against the ground, a winding drum of a mulching film is embedded into the two insertion rods, the frame moves forwards, the mulching film is continuously pulled out and laid on the ground surface, meanwhile, the furrow opener reclaims a gully, the two side edges of the mulching film fall into the gully, the soil covering plate presses soil on the mulching film, pressing and fixing of the mulching film are achieved, and the steps are simplified; during transferring, the screw is taken down, the supporting column is deflected to be horizontal, the furrow opener and the soil covering plate are both away from the ground, and abrasion caused by the fact that the ground is scratched along with transferring of the frame is avoided.

The utility model relates to the technical field of electrode plate pressing, and discloses a pressing device of sodium ion battery positive and negative electrode plate pressing equipment, which comprises a bottom plate, the top of the bottom plate is fixedly connected with two left and right symmetrical mounting columns I, and an upper pressing roller and a lower pressing roller are rotatably connected between the two mounting columns I; the upper pressing roller can slide up and down in the axial direction of the first mounting column, the first mounting column is provided with a spring used for pushing the upper pressing roller downwards, and the bottom plate is further provided with a downward pressing mechanism used for pressing the upper pressing roller downwards. According to the pole piece pressing device, the upper pressing roller can be lifted upwards by hands, then one side of a pole piece is placed on the lower pressing roller, so that the pole piece can be pressed between the lower pressing roller and the upper pressing roller, and then the distance between the upper pressing roller and the surface of the lower pressing roller can be further reduced under the action of the pressing mechanism, so that additional pressing can be performed during pressing; therefore, the pole piece is tightly compacted.

The invention relates to a tungsten-copper composite material forming part and a preparation method thereof, and belongs to the technical field of metal composite materials. The raw materials of the forming part are composed of a tungsten source, a copper source and a forming agent. The tungsten source consists of modified tungsten powder and tungsten powder; the modified tungsten powder is obtained by adding a reinforcing phase and an activating element, wetting and adhesion of a tungsten phase and a copper phase can be promoted, the sintering performance of the formed part is improved, and the comprehensive performance of the formed part is improved; the forming agent is added to ensure that the powder has good flowability and formability, the problems that a large-size tungsten-copper blank is poor in compression molding formability and high in manufacturing cost are solved, and a tungsten-copper composite material formed part which is uniform in structural component, low in cost and easy to form is obtained. The preparation method comprises the following steps: dispersing an activating element and a reinforcing phase into tungsten powder through a ball milling method to obtain modified tungsten powder, adding double-granularity composite powder of the modified tungsten powder and unmodified tungsten powder into a forming agent to obtain easily-formed composite powder, and pressing the composite powder into a large-size tungsten copper green body, the method has the characteristics of low cost, good repeatability, controllable process, raw material saving and the like.

The utility model provides a belted layer drum tread joint attaching auxiliary device and a forming machine, the belted layer drum tread joint attaching auxiliary device comprises supporting pieces, a transmission mechanism and a driving piece which are arranged on a drum body, the supporting pieces can axially move relative to the drum body, the number of the supporting pieces is multiple, the supporting pieces are arranged at the two axial ends of a tread, and the driving piece is arranged on the transmission mechanism. Each supporting part is provided with a supporting position located between the drum body and the tread and an avoiding position retreating from the position between the drum body and the tread, all the supporting parts are in driving connection with the transmission mechanism, the driving part is in driving connection with the supporting parts and / or the transmission mechanism, and when the driving part is attached to the supporting parts and the transmission mechanism, the driving part drives the supporting parts to synchronously and axially move to the supporting positions so as to support the tread. The utility model solves the problem that the seam of the tread cannot be tightly compacted in the prior art.

The invention relates to the technical field of piezoresistor preparation, in particular to an ultrahigh-voltage pulse strontium titanate annular piezoresistor and a preparation method thereof. Comprising the following components in parts by weight: 20 to 25 parts of strontium carbonate, 20 to 25 parts of barium carbonate, 11 to 15 parts of calcium carbonate, 33 to 36 parts of titanium dioxide, 0.17 to 0.20 part of niobium oxide, 0.1 to 0.3 part of silicon dioxide, 0.01 to 0.20 part of aluminum oxide, 0.01 to 0.50 part of manganese carbonate, 5 to 10 parts of tin dioxide, 0.01 to 0.20 part of zinc oxide and 0.2 to 0.7 part of a nano material. The aluminum oxide, the manganese carbonate, the tin dioxide and the zinc oxide are added on the basis of a traditional formula, the purposes of improving the pulse resistance, improving the nonlinear coefficient and the capacitance value and reducing the loss are achieved, meanwhile, the introduced multi-layer nanofiber material and the three-dimensional composite nanomaterial are matched with each other, and therefore the pulse resistance is improved. The integral strength of the material can be effectively enhanced, so that the formed annular piezoresistor is compact in structure, high in strength, strong in external force resistance and good in breaking strength, thereby achieving the effect of enhancing the strength of a porcelain body.