44results about How to "Reduced chance of crushing" patented technology

The invention discloses a graphene grinding and stripping device which comprises an upper grinding disc, a lower grinding disc, a driving mechanism for driving the upper grinding disc to rotate, and a material collection mechanism for collecting a product after grinding, wherein the upper grinding disc and the lower grinding disc are matched with each other; a horizontal contact surface is formed between the upper grinding disc and the lower grinding disc, the upper grinding disc is provided with an upper feed inlet, the lower grinding disc is provided with a lower feed inlet, the upper feed inlet and the lower feed inlet are both connected with the contact surface between the upper grinding disc and the lower grinding disc, and the lower end of the lower feed inlet is in sealed connection with one water inlet tube; moreover, the upper end face of the lower grinding disc is provided with a groove, and an annular region formed by rotary surrounding of the lower end of the upper feed inlet is surrounded in the groove. The graphene grinding and stripping device can realize large-size successful stripping of graphene. The invention also relates to a graphene production system containing the graphene grinding and stripping device and a graphene production method.

The invention discloses a rotary graphene stripping device including a rotary cylinder body; a top cover is arranged above the rotary cylinder body, a bottom cover is arranged below the rotary cylinder body, the top of the top cover is provided with a feed inlet, the bottom of the bottom cover is provided with a discharge port, and the feed inlet is communicated with the interior of the rotary cylinder body; the outer side of the rotary cylinder body is provided with a first motor, and is used for driving the rotary cylinder body to horizontally rotate; the rotary cylinder body is also internally provided with an inner cylinder, and a second motor used for driving the inner cylinder to horizontally rotate in a direction opposite to the rotating direction of the rotary cylinder body is arranged below the rotary cylinder body; the upper part of the inner cylinder is shrunk in a certain angle, and a material storage space is left between the upper part of the inner cylinder and the upper part of the rotary cylinder body; the lower part of the inner cylinder and the lower part of the rotary cylinder body are in clearance fit to be used for grinding graphite sheets, and a clearance between the lower part of the inner cylinder and the lower part of the rotary cylinder body is successively decreased downward along the axial direction of the rotary cylinder body. The rotary graphene stripping device can achieve successful stripping of graphene. The invention also relates to a graphene production system containing the rotary graphene stripping device and a graphene production method.

The invention discloses a multifunctional electric hydraulic straightening and mounting press apparatus for pressing a nylon cover into a sleeve. The apparatus comprises a portal frame, a jack, a movable worktable, a bottom plate, a power mechanism and a base, wherein the portal frame comprises a horizontal top beam and a door-shaped frame; the bottom of the jack is fixed on a middle point of the horizontal top beam for providing a pressure to enable the nylon sleeve to move downward toward the sleeve; the movable worktable is located below the jack for bearing the sleeve; the bottom plate is arranged below the movable worktable for bearing the movable worktable; the power mechanism is connected to the bottom plate and the movable worktable for driving the movable worktable to move front and back relative to the bottom plate; the base is arranged below the bottom plate for bearing the bottom plate; the bottom end of the portal frame is fixed to the base and forms a rectangular space for accommodating the nylon cover and the sleeve with the base. According to the multifunctional electric hydraulic straightening and mounting press apparatus disclosed by the invention, the using reliability and the safety are improved; the probability of crushing the nylon cover is reduced to zero, so that the labor productivity is improved.

The invention discloses a flexible circuit board chip mounter which comprises a workbench, wherein a sliding rail is fixedly installed on the workbench, a sliding base is installed on the sliding rail in a sliding mode, an electric sliding table is fixedly installed on the sliding base, a carrier plate is fixedly installed on the sliding base of the electric sliding table, a groove is formed in the carrier plate, and a supporting column and a supporting block are arranged in the groove. According to the flexible circuit board chip mounter, the fixing effect of the circuit board is enhanced, the possibility of position deviation of the circuit board in the surface mounting process is reduced, the precision of the element in the surface mounting process is improved to a certain extent, the qualified rate of products is further improved, material suction and chip mounting can be continuously performed through five groups of air cylinders and suction nozzles, the chip mounting continuity is improved, the chip mounting speed is higher, the chip mounting working efficiency is improved to a certain extent, the pressure on a circuit board in the chip mounting process is reduced, the possibility that the circuit board is crushed is reduced, and the production cost is reduced to a certain extent.

The invention discloses a vertical drying and screening tower. The vertical drying and screening tower comprises a tower body, a hot wind pipe, a screen plate and a distribution carriage plate; the hot wind pipe, the screen plate and the distribution carriage plate are arranged in the tower body; the distribution carriage plate is arranged above a grid section; the tower body is provided with a feed port and an exhaust port in the top, and is provided with a discharge port in the bottom; the hot wind pipe comprises a center hot wind pipe, longitudinal hot wind pipes and a hot wind inclined beam; the center hot wind pipe, the longitudinal hot wind pipes and the hot wind inclined beam are provided with hot wind holes; the grid section and the hot wind inclined beam are fixed between an inner ring beam and an outer ring beam; the hot wind inclined beam communicates with the longitudinal hot wind pipes and the center hot wind pipe; multiple longitudinal hot wind pipes are fixed on the inner sides or the outer sides of the inner and outer ring beams; two ends of the longitudinal hot wind pipes are closed; the bottoms of the longitudinal hot wind pipes outwards extend to support on the ground; and the bottoms of the longitudinal hot wind pipes on the inner ring outwards extend to support on the ground through a first hot wind box. The vertical drying and screening tower is uniform in ventilation, high in drying speed and low in cost.

The invention discloses a placement device for a computer CPU, in particular relates to the field of computer devices. The device comprises a device body, a straight groove is formed in the bottom endof the device body; a first base is fixedly mounted on the left side of the straight groove; a second base is fixedly connected to the right end of the straight groove, a connecting block is fixedlyconnected to the center of the bottom end of the straight groove, a supporting frame is fixedly installed on the bottom surface of the connecting block, a cushion block is bonded to the bottom end ofthe device body, a sponge plate is fixedly installed in the device body, and a fixing table is bonded to the top surface of the sponge plate. According to the invention, the rubber pad and the spongeplate are arranged; when the device is used for fixing the CPU of the computer; the clamping plate can be economically attached to the outer surface of the CPU of the computer; the situation that when a computer vibrates, the computer CPU collides with the clamping plate and moves is avoided, the fixing performance of the computer CPU is improved, and the problem that the computer CPU is scrappeddue to the fact that the computer CPU collides with the clamping plate seriously is avoided.

The invention discloses a ceramic particle, and a filtering element and a preparation method thereof, wherein the ceramic particle is prepared by the following steps: mixing kaolin, talc, bauxite andspodumene, carrying out dry-method powder preparation, carrying out roll forming, and firing to obtain spherical particles. According to the invention, the spherical particles are uniform in particlesize, smooth in surface and high in compressive strength, and the prepared filtering element is uniform in pore size, low in filtering resistance and capable of improving the filtering performance.

The invention discloses a rotor type expansion energy saver for carbon dioxide transcritical cycle in the technical field of carbon dioxide transcritical cycle. The rotor type expansion energy saver comprises an expansion energy saver body, an expansion cylinder air inlet pipe and an electromagnetic valve, wherein the expansion cylinder air inlet pipe is fixedly arranged on the outer wall of the left side of the expansion energy saver body, the expansion cylinder air inlet pipe comprises an outer pipe fixedly connected with the outer wall of the left side of the expansion energy saver body, aninner pipe is arranged in an inner cavity of the outer pipe, the right end of the inner pipe communicates with the outer wall of the left side of the expansion energy saver body, and supporting devices are uniformly arranged between the outer wall of the inner pipe and the inner wall of the outer pipe. According to the rotor type expansion energy saver, a telescopic spring stretches out and drawsback, so that a moving rod and a moving plate move, a buffering effect is achieved, the pressure caused by supercritical high-pressure carbon dioxide fluid entering the inner pipe to the inner wall of the inner pipe is reduced, the inner pipe is protected, the probability that the inner pipe is deformed due to the extrusion of high-pressure gas is reduced, and the service life of the expansion cylinder air inlet pipe is prolonged.

The invention relates to a multifunctional device and method applicable to integration of collection, feeding and long-distance transport of frankliniella occidentalis. The device comprises a body, atop mesh cover, a bottom mesh plate and a base, the top mesh cover is fixedly connected to an opening of the upper bottom face of the body, the bottom mesh plate is fixedly connected to an opening ofthe lower bottom face of the body, and the base is connected with the opening of the lower bottom face. The body is a hollow prism, and every other lateral side of the prism is provided with a rectangular opening which is fixedly provided with a side wall mesh plate. The upper end of the top mesh cover is open, and the lower end of the top mesh cover is fixedly and hermetically connected with theopening of the upper bottom face. Problems of proneness to escaping, dying and the like of frankliniella occidentalis in a transport and feeding process are solved, and the death rate of frankliniellaoccidentalis is sharply decreased. In addition, a method for sucking frankliniella occidentalis in the device is provided, and suction efficiency is better improved.

A four-foot hollow block with concaved outer side faces of convex feet comprises a block body, wherein a ventilation hole is formed in the center position of the block body, the upper part and the lower port of the ventilation hole communicate with each other, the four sides of the block body are concaved, the four corners of the upper surface and the lower surface of the block body are respectively provided with one overhead convex foot, each convex foot is provided with an outer side face connected with an adjacent block body, the lower section of each outer side face is chamfered, and the upper section of each outer side face is a concaved section; and when the two adjacent four-foot hollow blocks are tightly connected, a protection gap used for preventing the convex feet from being crushed is formed between the concaved sections of the convex feet of the two four-foot hollow blocks. The invention provides a construction method of the four-foot hollow block with the concaved outer side faces of the convex feet. According to the four-foot hollow block with the concaved outer side faces of the convex feet and the construction method of the four-foot hollow block with the concavedouter side faces of the convex feet, the possibility of crushing of the convex feet is effectively reduced, and the service life is prolonged.

The invention relates to the technical field of carton production and processing, in particular to a paperboard line pressing control system and a method thereof, and the paperboard line pressing control system comprises a speed control module, a paper feeding module and a line pressing module; the line pressing module comprises a first motor and a line pressing wheel, and an output shaft of the first motor is in transmission connection with the line pressing wheel; the paper feeding module comprises a second motor and a paper feeding wheel, and an output shaft of the second motor is in transmission connection with the paper feeding wheel; the speed control module is used for controlling the rotating speeds of the first motor and the second motor; therefore, the paper feeding wheel feeds paper at a constant speed, and the line pressing distance is adjusted by controlling the rotating speed of the line pressing wheel; and according to the paperboard line pressing control system and the method thereof, the line pressing distance is adjusted by controlling the rotating speed of the line pressing wheel, and therefore regulation and control over the interval between two lines are achieved during line pressing.

The invention discloses a method for fast detonation of a detonator and relates to the technical field of detonation of detonators. A person for fast detonating the detonator controls a signal generator in a hand to detonate a signal to penetrate through a detonator casing to be transmitted to the inside of the detonator; a signal receiving device in the detonator receives the detonation signal, and a signal transformation device is used for transforming the detonation signal into an electric control signal; the electric control signal completing transformation performs fire-leading control ona fire-leading element through a start controller in the detonator; the fire-leading element penetrates through a reinforcing cap and is arranged at one end of a lead extension element, the other endof the lead extension element is arranged on initiating explosive, the reinforcing cap is arranged at the connecting end of the fire-leading element and the lead extension element. With the adoptionof the technical scheme, the method has the benefits as follows: the method is simple, convenient to operate, high in use value and easy to popularize, the probability of pressed explosion is reduced,the production efficiency is improved, the detonator can be detonated in super-short time, the detonation time is shortened, the detonation process is safe and accidents are reduced.

The invention discloses an anti-extrusion storage device for transporting PLA straws, which belongs to the field of storage devices, and comprises a storage box main body. A No. 1 protective box cover and a No. 2 protective box cover are arranged on the storage box main body. The No. 1 protection box cover and a No. 2 protection box cover are left-right symmetrically arranged, and a strengthening device is installed inside the top of the No. 1 protection box cover. Swipe right. An anti-extrusion storage device for PLA straw transportation according to the present invention belongs to the field of storage devices. By setting a movable reinforcement device, the edges of the No. 1 protective box cover and the No. 2 protective box cover can be strengthened. The anti-extrusion performance of the edges of the No. 1 protective box cover and the No. 2 protective box cover is improved, thereby reducing the chance of the No. 1 protective box cover and the No. 2 protective box cover being pressed into the main body of the storage box during transportation. Ultimately reduces the chance of straws being squashed and reduces resource costs.