27results about How to "Achieve tightness" patented technology

The utility model belongs to vacuum evaporation technology field, and disclose an integrated device of improvement aluminium layer surface smoothness, including vacuum coating box, the inside of vacuum coating box is provided with second vacuum chamber and first vacuum chamber, the inside of second vacuum chamber and first vacuum chamber is provided with coiling roller and pay -off roll respectively, transmission has base material between pay -off roll and coiling roller, the inside of first vacuum chamber is provided with first evaporation boat and first crucible under base material. The utility model due to the setting of first evaporation boat and first crucible can realize the pre -plating of building foundation and the surface repair plating of base material side in order under the sealed environment of second vacuum chamber, can form smooth coating layer on the surface of base material efficiently, and the intervention time length of evaporation boat plating and crucible electron beam plating is reasonably configured, thereby help to realize the plating process of low cost, high efficiency and high quality as far as possible.

The present invention relates to the technical field of bottle cap screwing, and discloses a rotational over-force protection device and a bottle cap screwing device, comprising a rotational drive device, a first connecting head and a second connecting head, wherein the rotational drive device drives the first connecting head to rotate, the first connecting head comprises a connecting sleeve, the second connecting head comprises a limit plate which cooperates with an outer pattern on a cover body to realize rotational limit, and a connecting rod arranged on the limit plate, wherein a plurality of abutting end faces are circumferentially arranged on the connecting rod, the connecting rod is installed in the connecting sleeve, a first elastic pin is arranged on the connecting sleeve, and an end of the first elastic pin extending into the connecting sleeve abuts against the corresponding abutting end face; a rotational over-force protection device and a bottle cap screwing device provided by the present invention can realize automatic tightening of the cover body, and can realize over-force protection, and ensure uniform tightening degree of the cover body, and the structural design is simple, the cost is low, the operation is convenient, and it is easier to control, and it can be applied to various scenes where the cover body needs to be screwed, and the application scenes are wide.

The utility model discloses an adjustable belt conveyor which comprises supporting beams transversely arranged on the front side and the rear side, rotating rollers are installed between the supporting beams on the front side and the rear side and close to the left position and the right position, the rotating rollers on the left side and the right side are connected through a conveying belt, and supporting legs are fixed to the left sides and the right sides of the supporting beams on the front side and the rear side. The lower ends of the supporting legs on the front side and the rear side are fixedly installed on the base, the middle portions of the supporting beams on the front side and the rear side are fixedly connected through a U-shaped supporting frame, an adjusting roller capable of conducting lifting adjustment is installed on the inner side of the supporting frame, and an adjusting screw rod for driving the adjusting roller to conduct lifting adjustment is installed at the bottom of the supporting frame. When tension adjustment is carried out on the conveying belt, the adjusting roller is adjusted to move upwards or downwards by screwing the adjusting screw rod, so that the adjusting roller abuts against or loosens the conveying belt, tension adjustment of the conveying belt is achieved, and the whole adjusting operation is simpler and more convenient.

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 embodiment of the utility model provides a fabric fixing device, and belongs to the field of textile processing. The fabric fixing device comprises a supporting frame and two first clamping mechanisms. The two first clamping mechanisms are arranged in a spaced mode in the first direction, and the two opposite ends of each first clamping mechanism are rotationally connected to the supporting frame. Wherein the first clamping mechanism comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are used for clamping fabric, and the second clamping piece can be relatively close to or away from the first clamping piece. When the fabric is located between the first clamping piece and the second clamping piece, the first clamping piece and the second clamping piece can rotate so that the first clamping piece and the second clamping piece can drive the fabric to be wound, and the second clamping piece can move towards the first clamping piece and clamp the fabric with the first clamping piece under driving of the fabric. According to the technical scheme of the embodiment of the invention, the fabric is fixed and tightened, and the operation safety during fabric fixing is improved.

The utility model provides a paper core material roll jacking device, and belongs to the technical field of printing machines, coating machines and compound machines. The first transmission head is connected with the transmission shaft, the transmission shaft can drive the first transmission head to rotate, the first transmission head is provided with a first transmission part and a second transmission part, the first transmission part is used for being connected with an inflatable shaft, and the second transmission part is used for being connected with a material roll; the utility model has the beneficial effects that when the transmission shaft drives the first transmission head to rotate, the first transmission head can drive the inflatable shaft to rotate through the first transmission part so as to drive the material roll to rotate, or the first transmission head can drive the material roll to rotate through the second transmission part; and the ejection of the inflatable shaft and the ejection of the ejector head can be realized through the first transmission head together.

This application discloses a spraying device and process for a wear-resistant coating on a titanium ball valve, relating to the field of ball surface spraying. It includes a body, a first rotating arm, a second rotating arm, an inner support assembly, support wheels, a centering assembly, and a plasma spray gun. The first rotating arm is rotatably mounted on the body, and the second rotating arm is slidably mounted on the body. When the second rotating arm slides towards the first rotating arm, it engages with the first rotating arm to form a coaxial rotational fit. The inner support assembly is provided on both the first and second rotating arms, and the support wheel is provided on both the first and second rotating arms. The support wheel is slidably mounted on the two rotating arms, supporting the inner wall of the ball and forming a sliding fit with the ball. The centering assembly includes two synchronously sliding centering plates, and a pre-support portion is provided on the centering plates. This application can prevent the spray gun from producing dry spray, reducing waste.

The present invention relates to the technical field of switches, and specifically to a computer network switch, comprising a switch body and a support plate; a support block is symmetrically fixedly connected to the upper surface of the support plate, both ends of the switch body are fixedly connected to a rotating shaft, and one end of the rotating shaft is rotatably connected to the side wall of the support block; an interface is provided on the side wall of the switch body, a fixing plate is fixedly connected to the upper side of the support plate, a receiving groove is provided downward on the upper surface of the fixing plate, an air bag is fixedly connected in the receiving groove, a one-way valve is fixedly connected to the air inlet end of the air bag, a moving block is fixedly connected to the other end of the air bag, the moving block is elastically connected in the receiving groove, and a connector is plugged into one end of the moving block; when the connector is moved out of the interface, the dust in the interface is cleaned, and the interface of the switch body is facing upward for easy maintenance.

This invention provides a biomimetic octopus-inspired underwater pipeline welding robot, belonging to the field of robotics technology. The main structure adopts a semi-elliptical spherical pressure-resistant shell, with an internal reinforced support frame and a pneumatic bistable device. The pneumatic bistable device drives a water jet propulsion unit, enabling the robot's multi-degree-of-freedom movement. The robotic arm system includes multi-joint robotic arms evenly arranged around the main structure. Each multi-joint robotic arm includes multiple joints, a flexible telescopic rod, and a biomimetic vacuum suction cup. The joints are connected non-linearly. The end of the multi-joint robotic arm is equipped with a biomimetic vacuum suction cup. An SMA actuator is installed within the flexible telescopic rod. The contraction of the SMA actuator generates an eccentric driving force, enabling vertical position control and spatial bending motion of the biomimetic vacuum suction cup. The end of the multi-joint robotic arm can be modularly replaced with a welding module for performing underwater pipeline welding operations.

The utility model provides an adjustable hammock and tent, the hammock comprises a hammock body, the end part of the hammock body is provided with at least one fixing ring; the end of the connecting rope is connected to the end of the hammock body, the middle of the connecting rope is connected with the fixing ring, two adjusting areas are defined by the connecting rope and the end of the hammock body, and at least two hanging rings are arranged on the connecting rope; the hammock comprises a hammock body and a fixing structure, the fixing structure is used for connecting the connecting rope with an external object so as to fix the hammock, the tent comprises the hammock, the tent can shield sun and rain for a user, and the hammock can enhance the strength and flatness of the hammock body and improve the comfort of the user on the hammock.

The utility model relates to a fixing device for a battery cell group in a battery, and belongs to the technical field of batteries. The battery fixing device comprises a bottom plate, a first baffle and a second baffle, the bottom plate is used for supporting the whole battery, and the first baffle and the second baffle are both of an inverted L-shaped structure and are fixed to the bottom plate to form an enclosure frame structure to fix a battery cell set; meanwhile, the connecting piece is additionally arranged at the contact position of the first baffle and the second baffle, the two baffles are relatively fixed to form the enclosure frame by matching the connecting bolt with the connecting piece, and the structural stability is enhanced. In addition, the first baffle and the second baffle are each provided with at least one bottom plate fixing hole used for fixing the baffles, so that the baffles are fixed relative to the bottom plate. According to the utility model, the production cost is reduced, the cell mounting and dismounting process is convenient, no complex tool is needed, the structure is stable, the cell is not easy to loosen after long-term use, and the performance and safety of the battery are effectively guaranteed.

This utility model relates to the field of mounting bracket technology, specifically to a television mounting structure. The specific technical solution is as follows: A television mounting structure includes a wall mount and a hanging strip mounted on the wall mount. The wall mount has parallel hanging plates facing the same direction along its length. The hanging plates are L-shaped. The hanging strip has multiple hook plates along its length, each hook plate being 7-shaped. Two hanging plates simultaneously adapt to hook plates of different heights. This utility model solves the problem of cumbersome television height adjustment in existing technologies.

The invention relates to the technical field of silica sol pouring, and discloses a silica sol casting mold with an inclined pouring structure, the silica sol casting mold comprises a pouring head body and a mold part, the mold part comprises a base, a rack is detachably mounted at the top of the base, and a mold assembly capable of being used for injection molding of external silica sol is arranged in a space defined by the rack, the top of the base is fixedly connected with a driving platform used for adjusting the inclination angle of the mold assembly, the mold assembly comprises a fixed mold and a movable mold, and the base is rotationally connected with the bottom of the fixed mold through a rotating seat arranged at the top of the base. The silica sol casting mold with the inclined pouring structure can effectively solve the problems that in the prior art, when the mold is inclined, due to the action of gravity, the upper half portion of the mold possibly slides downwards, the lower half portion of the mold possibly keeps stable, gaps are generated between the molds due to uneven movement, the mold closing precision is affected, and the mold opening precision is affected. And liquid leakage occurs in the pouring process, and the pouring quality is reduced.

The utility model relates to the technical field of concentricity machining, in particular to an inner conductor concentricity machining mechanism which comprises an equipment body, a support is fixedly connected to the upper portion of the equipment body, a bearing is fixedly connected to the interior of the support, a concentric pipe is fixedly connected to the interior of the bearing, one end of the concentric pipe is fixedly connected with a first clamp, and the other end of the concentric pipe is fixedly connected with a second clamp. The outer side of the first clamp is in threaded connection with a first threaded cap, the outer side of the concentric pipe is fixedly connected with a gear, one end of the support is fixedly connected with a motor, a clamping groove is formed in the equipment body, a sliding way is formed in the top of the equipment body, and one end of the support is movably connected with a screw rod. The device is simple in structure and convenient to use, the concentric pipe is driven by the motor to rotate, a cylindrical object fixed to the concentric pipe also rotates along with the concentric pipe, and the drill bits at the two ends of the concentric pipe clamp the rotating object for concentricity machining.

The invention discloses a preparation method of a high-performance soft magnetic powder core, which comprises the following steps: S1, dissolving nitrate in an organic solvent, and uniformly stirring; s2, adding a silane coupling agent, and uniformly stirring; s3, keeping the pH value in an alkaline range all the time; s4, deionized water is added into the solution obtained in the step S3, then soft magnetic powder is added, stirring is continuously conducted after the temperature is adjusted, and drying is conducted after the solution is completely evaporated; s5, carrying out preheating treatment under the protection of inert gas to prepare nanoscale oxide coated soft magnetic powder; s6, adding organic silicon resin into a methyl acetate or dimethyl carbonate solution, uniformly stirring, pouring into the coated soft magnetic powder obtained in the step S5, stirring until the solution is completely volatilized, drying, adding a lubricant, and uniformly mixing and stirring; and S7, the powder is subjected to heat treatment in the nitrogen atmosphere after being subjected to compression molding, and the high-performance soft magnetic powder core is prepared. Compared with the prior art, high performance stability and low loss are both considered.

The utility model relates to the technical field of fire hydrant, and disclose a fire hydrant system water testing device for fire detection, including fire hydrant body still include: the rotating disc that rotates in fire hydrant body top, and the side flange of fire hydrant body is connected with the connecting port. Through the setting of connecting assembly, the connecting pipe is aligned with the connecting port, and then the connecting pipe is inserted in the inner cavity of the connecting port, and the second wedge is inserted in the inner cavity of the positioning shell and engaged with the first wedge while being inserted, and the spring is opened while being engaged with the first wedge, and the first wedge is moved while the first wedge is opened, and the sliding sleeve is moved on the surface of the sliding rod while the first wedge is moved, at this moment, the first wedge and the second wedge are firmly engaged, and then the damping pad is attached to the inner cavity of the connecting pipe, preventing water leakage, and then the clamping plate is rotated through the rotating shaft after connection.

The utility model discloses a household hot water sensor, which relates to the technical field of sensors and comprises an outer shell, one end of the outer shell is provided with an end plate, the other end of the outer shell is in threaded connection with a threaded connector, and a temperature probe is embedded in the inner side of one end of the threaded connector and is electrically connected with a sensor chip; an open slot convenient for clamping and fixing the sensor chip is formed in one end, arranged in the outer shell, of the threaded connector; the end plate abuts against the interior of the outer shell through the threaded connector. During installation, firstly, the end plate is installed in the outer shell, then, the data line penetrates through the end plate to be electrically connected with the sensor chip, then, the sensor chip is clamped on the threaded connector provided with the temperature probe, and then, the threaded connector is connected with the outer shell, so that the structure is simple, and the installation is convenient; along with continuous rotation of the threaded connector, the threaded connector can abut against the inner side of the end plate, and therefore abutting and fixing of the end plate and the outer shell are achieved.

The utility model relates to a pipe fitting inner wall deburring device which comprises a base, a fixing frame, a reciprocating mechanism, a rotating mechanism and a three-jaw clamp, the rotating mechanism is arranged at the bottom of the base to drive the three-jaw clamp to clamp a pipe fitting to rotate, and a polishing mechanism capable of vertically reciprocating is installed on the fixing frame. The polishing mechanism adopts a double-transmission system design, a single motor synchronously drives two groups of polishing heads to rotate at a high speed through belts which are staggered up and down, and dynamic polishing of the inner wall of the pipe fitting is realized by combining reciprocating motion driven by an air cylinder. The innovation lies in that stepless adjustment of the distance between the two rotating shafts is achieved through the kidney-shaped groove and the adjustable connecting plate, and the requirements of different pipe diameters are met; a splayed long groove sliding type tensioning wheel mechanism is adopted, so that the belt transmission stability is ensured; the rotary clamping function and the axial feeding function are integrated, a composite motion track is formed, the deburring efficiency and quality are remarkably improved, and the device has the beneficial effects of being compact in structure, convenient and fast to adjust and wide in applicability.

The utility model discloses an inserting buckle capable of quickly loosening and tightening a braid, and belongs to the technical field of inserting buckles. Comprising a buckle seat, a sealing cover and a roller device, the buckle seat and the sealing cover are detachably buckled, and the two sides of the buckle seat and the sealing cover are buckled to form a left-right through containing cavity. At least one center groove is formed after the inserting buckle base and the sealing cover are buckled so as to contain the rolling wheel device. The two ends of the roller device are located in the corresponding containing cavities respectively. A clamping groove and a rotating groove are formed in two end surfaces of the roller device; a switch device is arranged in each accommodating cavity; one end of the switch device close to the roller device is provided with a joint; and the joint is matched with the clamping groove. The utility model provides an inserting buckle for quickly loosening and tightening a braid, which can realize more convenient and quick loosening and tightening of the braid.

The utility model provides an anti-vibration type mechanical sealing element, which belongs to the technical field of mechanical parts and further comprises a positioning ring fixed on the outer side of a shaft sleeve, a gland sleeved on the outer side of the shaft sleeve, a movable structure arranged on one side of the positioning ring, a spring connected with one side of the movable structure, and a static ring arranged inside the gland, a second sealing ring is fixed between the static ring and the gland, and the lubricating structure is inserted into the top end of the shaft sleeve. According to the utility model, the screw rod is rotated to push the movable ring to extrude the spring, the pressure of the spring on the sealing movable ring is increased, and the locking nut is rotated to lock and fix the position between the screw rod and the fixed screw sleeve, so that the tightness adjusting function of the device is realized, and the tightness of the spring is conveniently adjusted after long-time use; the radial pressure between the moving ring and the static ring is guaranteed, the sealing effect of the device is guaranteed, and the functionality of the device is enhanced.

The processing equipment comprises a machine frame, a hot pressing station, a hot pressing mechanism, a braid pressing mechanism, a braid tightening mechanism, a temperature control mechanism and a control panel are arranged on the machine frame, the hot pressing station is used for providing a hot pressing platform for a brassiere to be processed and a braid to be processed, and the braid tightening mechanism is used for tightening the braid; the hot pressing mechanism is used for pressing the brassiere and the braid on the hot pressing station, the braid pressing mechanism is used for pressing the braid, the braid tightening mechanism is connected with the braid pressing mechanism and used for stretching and tightening the braid on the braid pressing mechanism, and the temperature control mechanism is connected with the hot pressing mechanism and used for controlling the temperature of the hot pressing mechanism. According to the scheme, automatic pressing and tightening of the braid are achieved, the braid does not need to be manually pulled any more, manpower input is reduced, and production efficiency is improved. The hot-pressing mechanism achieves accurate control over pressure and time in the pressing process, the consistency of the hot-pressing wrinkle degree is guaranteed, the labor intensity of operators is lowered, the technical requirements are lowered, and the hot-pressing mechanism is suitable for large-scale industrial production.

The invention provides a TBM (Tunnel Boring Machine) integrated hobbing cutter holder system capable of quickly changing cutters, which comprises a hobbing cutter ring (1), a cutter box (2), a C-shaped block (8), a hobbing cutter shaft (9) and a pressing device, and is characterized in that the hobbing cutter ring (1) is connected to the hobbing cutter shaft (9); the C-shaped block (8) is fixed on the hob box (2) and is used for bearing the hob shaft (9); the pressing device comprises a first arc-shaped connecting rod (4), a first transmission sliding block (5), a lifting sliding block (6), a fastening stud (7), a wedge-shaped pressing sliding block (10), a second arc-shaped connecting rod (11), a second transmission sliding block (12) and a third arc-shaped connecting rod (22). The wedge-shaped end of the wedge-shaped pressing sliding block (10) and the C-shaped block (8) are located on the two sides of the hob shaft (9) respectively, and the other end of the wedge-shaped pressing sliding block (10) and the second arc-shaped connecting rod (11) form a rotating pair through a rotating shaft. Threaded holes used for installing the fastening studs (7) are formed in the cutter box (2).

The present invention discloses an intelligent library classification and collection device, and belongs to the technical field of intelligent library classification and collection devices. An intelligent library classification and collection device comprises a bookshelf, a plurality of classification slots are provided on the outer wall of the bookshelf, a movement slot is provided in the middle of the outer wall of the bookshelf, a scanner is provided on the outer side of the bookshelf, and a running transposition mechanism is provided inside the movement slot. The running transposition mechanism can drive the books to move to the classification slot of the label. Through the setting of the running transposition mechanism, the clamped books can be driven to move, so that the books can be automatically placed in the corresponding classification slot after identification through movement, avoiding the inconvenience caused by manual placement, and at the same time, improving the accuracy of the placement position, and can be returned to the original position in time, thereby bringing convenience to other readers' borrowing and achieving tight connection.

The invention relates to the technical field of glass cutting, and particularly discloses a curved glass laser cutting device which comprises a rack, a cutting platform fixedly installed on the inner wall of the right side of the rack and used for containing curved glass and a conveying belt located on the inner side of the rack and located on the left side of the cutting platform. A moving unit, a multi-directional positioning unit used for limiting and locking curved glass and an integrated cutting and stacking unit are arranged between the front inner wall and the rear inner wall of the rack. The curved glass is pressed and adsorbed through the negative pressure suction cups, so that the stability of the curved glass in the vertical direction is enhanced, a foundation is laid for subsequent stable cutting and transferring stacking, and multi-point supporting and abutting of the curved glass are achieved through cooperation of the suction cups and the arc-shaped bosses; and meanwhile, the curved glass is limited front and back through the two side plates, so that multi-directional positioning of the curved glass is achieved, the situation that the curved glass shakes and deviates in the cutting process is avoided, and the cutting stability is remarkably improved.