74results about How to "Simple exercise" patented technology

The invention discloses a sanitary napkin cutting machine. According to the technical scheme, the sanitary napkin cutting machine comprises a frame, a napkin cutting mechanism, a conveying mechanism used for conveying the sanitary napkins, a drive mechanism driving the conveying mechanism to convey the sanitary napkins, and a control device used for controlling the napkin cutting mechanism, the conveying mechanism and the drive mechanism to operate; the napkin cutting mechanism comprises a rotary cutter used for cutting the sanitary napkins, a first motor driving the rotary cutter to rotate, and a swinging device driving the rotary cutter to swing in a reciprocating manner; the conveying mechanism comprises an input component and a output component; the rotary cutter is placed between the input component and the output component. The rotary cutter swings adjacent to or far from the sanitary napkins in a reciprocating manner, efficient cutting can be implemented by matching with the conveying mechanism, the notches are smooth after cutting, structure is simple, space required by the rotary cutter is small, and the size of the cutting machine can be reduced effectively.

The invention discloses a roller type bidirectional overrunning clutch, which comprises an outer ring (1), an inner ring (2), first rollers (3), second rollers (4), a first wavelike belt (5), a second wavelike belt (6), a first hole check ring (7) and a second hole check ring (8), wherein the inner diameter end face of the outer ring is that two sections of symmetric reverse oblique lines are connected to define a similar convex surface through a transition circular arc; the outer diameter end face of the inner ring is that two sections of symmetric reverse oblique lines are connected to define a similar concave surface through a transition circular arc; the flange end of the outer ring is opposite to the flange end of the inner ring; lined first rollers and lined second rollers are assembled between the outer ring and the inner ring and are isolated at an equal distance through the first wavelike belt and the second wavelike belt; and the first hole check ring and the second hole check ring are configured in a clamping groove which is formed in the outer ring respectively. According to the roller type bidirectional overrunning clutch, no control mechanism exists, the space is saved, more first rollers and second rollers can be arranged, the torque transfer capacity is superior to that of the normal overrunning clutch, and the roller type bidirectional overrunning clutch has the advantages of high load, long life and easiness and convenience in control.

The invention discloses a positioning device for a workbench. The positioning device comprises a plurality of positioning blocks arranged between a workbench component and a workbench base, wherein through hole cavities are formed in the positioning blocks; pistons are arranged in the through hole cavities; the lower end of each piston is supported on the surface of the workbench base up and down in a movable mode by an elastic component; air detection through holes are formed on one side in the through hole cavities; air detection channels are formed in the pistons; air detection interfaces are formed on surfaces of the tops of the pistons; step structures are arranged inside the through hole cavities; bulged structures are arranged at bottoms of the pistons; when the bulged structures at the bottoms of the pistons are pressed against the step structures arranged inside the through hole cavities, the top ends of the pistons are bulged to a certain distance from the surfaces of the positioning blocks; and when the workbench is clamped and positioned, the surface of the tops of the pistons is tightly attached to the surface at the bottom of the workbench component tightly. The positioning device for the workbench has a simple structure, few application parts, a simple motion mode and high reliability and combination degree, modularized installation can be realized, and the detection effect of clamping the workbench is improved effectively.

The invention discloses a vibratory powder laying device of a selective laser melting formation device. The vibratory powder laying device comprises a pressing plate, a scraping plate, a scraping plate seat and vibration device, wherein the scraping plate is fixed to the scraping plate seat through the pressing plate and a connector, the vibration device is fixed to a vibration device seat througha connector, and the scraping plate seat is of an elastic structure. The vibratory powder laying device is simple in structure and motion way and easy to control. Powdery layer compaction is more effective by utilizing vibration, the scraping plate does not need the design of a powder-laying front corner, and a powder involvement phenomenon is avoided. Powder attached to the scraping plate can drop in advance by utilizing vibration, and the powder laying quality can be improved. The powder liquidity can be also improved, the performance requirement for a powder material is reduced, and the processing cost is saved.

The invention discloses a support enabling switching between the horizontal watching state and the looking-up watching state to be achieved rapidly in a one-step mode and belongs to the technical field of supports for display devices such as flat televisions, flat-panel displayers and computer all-in-one machines. The support enabling switching between the horizontal watching state and the looking-up watching state to be achieved rapidly in the one-step mode is simple in structure, rapid falling and rising can be achieved, and the angles of the display devices can be changed synchronously. The support comprises a four-bar mechanism which is formed by hinging a machine frame base, an upper rocker arm, a connecting arm rod and a lower rocker arm in sequence in an end-to-end mode. The support is characterized by further comprising a telescopic rod, one end of the telescopic rod is hinged to the machine frame base, and the other end of the telescopic rod is hinged to the upper rocker arm or the lower rocker arm.

A full-automatic IC programmer comprises a feeding assembly, a positioning assembly, a programming assembly, a discharging assembly and a rotating-disc reciprocating manipulator assembly, wherein IC chips are fed from the feeding assembly; after the fed IC chips are prepositioned through the positioning assembly, the prepositioned IC chips enter the programming assembly for being programmed; finally, the programmed IC chips are discharged through the discharging assembly; the rotating-disc reciprocating manipulator assembly comprises a rotating disc and three manipulators; the manipulators perform rotating motion around the center of the rotating disc; each manipulator performs pick-and-place operation on the corresponding IC chip; and when the rotating disc rotates once, the following three actions can be completed at the same time: the IC chip fed by the feeding assembly is transferred to the positioning assembly, the IC chip prepositioned by the positioning assembly is transferred to the programming assembly, and the IC chip programmed by the programming assembly is transferred to the discharging assembly. Compared with the prior art, the full-automatic IC programmer provided bythe invention has the following beneficial effects: (1) by adoption of the positioning assembly, the IC chips can be prepositioned before being programmed, thereby improving the programming efficiency in the later period; and (2) through the rotating-disc reciprocating manipulator assembly, steps involved in the process of each programming cycle can be performed at the same time, thereby greatlyimproving the operation efficiency of the complete full-automatic IC programmer.

The invention relates to an automatic stamping machine which comprises a paper feeding device, a stamping device and an automatic stamping oil supply device. The paper feeding device is provided with a worktable, a paper clamping module and a paper conveying module, wherein the paper clamping module and the paper conveying module are installed on the worktable. The stamping device is provided with a first support and a pressing plate capable of being installed on the first support in a vertical horizontal moving manner, wherein the pressing plate is configured to be provided with at least one stamp so as to carry at least one stamp to downwards move paper on the worktable to conduct stamping. The automatic stamping oil supply device is provided with a second support and a stamping oil brush installed on the second support in a moving manner in the horizontal direction. The stamping oil brush is configured to smear stamping oil on the stamping oil brush to at least one stamping device when moving in the horizontal direction. The automatic stamping machine can be used for different kinds of paper and can clamp multiple stamps at the same time and adapt to various kinds of stamps, automatic smearing of stamping oil can be achieved, the use convenience of the automatic stamping machine is obviously improved, the use range of the automatic stamping machine is enlarged, and the automatic stamping machine is well preferred by consumers.

The invention relates to a five-axis parallel machine tool. The five-axis parallel machine tool comprises a horizontal machine tool base and a machine head. The five-axis parallel machine tool is characterized by also comprising a first lead screw-guide rail system, a second lead screw-guide rail system, a third lead screw-guide rail system, a horizontal processing platform mechanism and a main platform mechanism, wherein the working surface of the machine head is vertical to the working surface of the horizontal machine tool base, the first lead screw-guide rail system and the second lead screw-guide rail system are vertical to each other and are arranged in the working surface of the horizontal machine tool base, the horizontal processing platform mechanism is arranged in the center of the working surface of the horizontal machine tool base and is connected with the first lead screw-guide rail system and the second lead screw-guide rail system; the third lead screw-guide rail system is arranged on the working surface of the machine head, and the main platform mechanism is arranged in the middle of the machine head and is connected with the third lead screw-guide rail system; and the horizontal processing platform mechanism comprises a processing platform, and the lower part of the processing platform is sequentially connected with a second horizontal linear bearing, a horizontal rotation supporting seat and a first horizontal linear bearing.

The invention relates to a beverage preparation method. In the method, a liquid feeding mechanism is used for feeding liquid to an injection head. The beverage preparation method also provides a material bag filled with the raw materials of the beverage, wherein the material bag comprises a container and a membrane for sealing the container; the container comprises a bottom wall and a side wall extending upwards from the bottom wall; and the membrane covers the side wall. The beverage preparation method is characterized in that the membrane is punctured by the injection head to introduce liquid into the material bag in a liquid flow mode to mix with the raw materials of the beverage; in addition, the injection head punctures the bottom wall to introduce prepared beverage out of the material bag, so that paths for mixing and diluting thick slurry in the material bag become diverse, thereby avoiding 'inertia washing' of the liquid flow, and solving the problem of 'brewing dead corner' during brewing.

The invention discloses a wafer transmission system suitable for transmitting a plurality of wafers from one wafer box. The wafer transmission system comprises a positioning tool, a feeding mechanism, a bearing unit and a removing unit. The positioning tool is provided with a plurality of containing grooves corresponding to the wafers; the feeding mechanism is suitable for simultaneously loading the wafers from the wafer box into the containing grooves of the positioning tool along a first direction of a surface. The bearing unit comprises a rotary disk provided with a plurality of bearing portions. The rotary disk is suitable for rotating around an axial direction of a vertical surface, so the bearing portions can pass a releasing position in sequence, wherein the projections of the releasing position and the positioning tool on the plane are arranged in the first direction. The removing unit is used for respectively transmitting the wafers in the positioning tool to the bearing portion in the releasing position in sequence.

The invention discloses a waste-removing device applied in the process of producing large transfusion soft bag, relating to the field of drug production packing machinery. The device comprises a mounting wallboard 23 including an upper straight line drive unit mounting plate 1, an upper straight line drive unit 2, an upper connection plate 3, an upper pressure lever 4, a guide rod 21, a guide rod pressure spring 20, an upshooting waste component of an upper pressure plate 19 and an undershooting waste component comprising a lower pressure plate 17, an equal-height column 14, a lower connection plate 16, a lower pressure lever 7, a lower pressure lever pressure spring 8, a lower straight line drive unit 10 and a lower straight line drive unit mounting plate 11; the device of the invention has the characteristics of simple structure, concise movement, stable operation and simultaneous removal of front and back waste angles; applied to the production line of the large transfusion soft bags, the device of the invention can be suitable for waste removal in the process of producing large transfusion soft bags of different specifications: the small one, the medium-sized one and the small-sized one; in addition, the device can be applied to production of large pharmaceutical factories and preparation rooms of various hospitals.

The invention discloses a Luneberg lens antenna, and belongs to the technical field of antennas. The Luneberg lens antenna comprises an antenna support and an antenna body, wherein the antenna body is arranged on the antenna support and comprises a reflective bottom plate and a semi-spherical lens, the lens is arranged on a reflective surface of the reflective bottom plate, an universal joint is arranged on a back surface of the reflective bottom plate and is arranged at a central position of the lens, a support body and a feeding source are arranged on the antenna support, the position of the feeding source is fixed, the feeding source points to a sphere center of the lens, the antenna body is connected with the support body via the universal joint, and a mechanical structure is also arranged on the antenna support and is used for pushing the antenna body so that the antenna body rotates by taking the universal joint as a center. The Luneberg lens antenna has the characteristics of a novel structure, high tracking capability and low profile, is convenient to use and is an important improvement of the prior art.

The invention discloses a workpiece inner wall surface continuous lap-joint-free laser quenching device and a quenching method thereof. The workpiece inner wall surface continuous lap-joint-free laserquenching device comprises a laser generator, a collimating mirror and a conical reflector, and the conical reflector extends into an inner cavity of a workpiece; the laser generator emits a laser beam which passes through the collimating mirror to emit into the inner cavity of the workpiece and on a cone surface of the conical reflector, and therefore the laser beam becomes an annular laser beamto be focused on the surface of the inner wall of the workpiece to be processed. The workpiece inner wall surface continuous lap-joint-free laser quenching device and the quenching method have the beneficial effects that the device and method for quenching and strengthening the inner wall of the workpiece by means of annular laser in a linear feeding manner are provided, in the process that the method is used for processing the inner wall of the workpiece, the laser beam is subjected to continuous linear feeding, the condition that heat influence zones are in lap joint is avoided, and the strengthening depth and effect are better and even. In addition, by using the method, the laser beam energy can be more stable, spiral feeding is not needed, and the quenching strengthening efficiency isobviously improved. The device is low in cost, simple in movement mode and has broad market and application prospects.

The invention provides a moving device for automatic loading compartment centralized assembling and double-compartment equipment, and belongs to the technical field of transportation or storage devices. The moving device comprises a guiding supporting mechanism, a drive mechanism and a hanging connection mechanism. A moving track for a loading compartment is provided in the guiding supporting mechanism and is suitable for making contact with the bottom of the loading compartment, and the loading compartment moves along the path set by the guiding supporting mechanism. The drive mechanism is arranged along the guiding supporting mechanism, is suitable for providing the moving power for the loading compartment and drives the loading compartment to move along the guiding supporting mechanism.The hanging connection mechanism is connected with the drive end of the drive mechanism, is suitable for being connected with the loading compartment and has the connection state for clamping connection of the loading compartment and the free state for releasing clamping connection for the loading compartment. The moving device can be automatically connected with the loading compartment through control or program set, then, the loading compartment can be moved to the preset position along the guiding supporting mechanism under driving of the drive mechanism, and accordingly automation is achieved.

The invention discloses a server heat dissipation device with a dust removal function for network security. The server heat dissipation device comprises a protection cabinet, a dustproof assembly, a heat dissipation assembly and a dust removal assembly, wherein a protection bin is formed in the front surface of the protection cabinet, and a heat dissipation opening is formed in one side of the protection bin; the dustproof assembly is arranged in the heat dissipation opening; the heat dissipation assembly is arranged in the protection bin, the heat dissipation assembly comprises a bearing frame, and a plurality of heat dissipation fans are arranged on one side of the bearing frame; and the dust removal assembly is arranged in the heat dissipation opening, the dust removal assembly comprises a connecting block, a moving mechanism and a sweeping mechanism, and the back surface of the connecting block is fixedly connected with the front surface of the moving mechanism. The server heat dissipation device has the beneficial effects that the dust removal assembly is arranged, the moving mechanism is used for driving the sweeping mechanism to do reciprocating motion in the horizontal direction, meanwhile, the adjusting cooperation between an adjusting screw rod and the connecting block is utilized, so that the connecting block drives the whole dust removal assembly to adjust the height in the vertical direction, and then the whole dustproof assembly can be subjected to accumulated dust cleaning.

The invention discloses a gear-rack integrated type door lock and a radar electronic equipment cabinet with the gear-rack integrated type door lock and belongs to the technical field of radar equipment cabinet heat dissipation. The gear-rack integrated type door lock comprises a vertical linear sliding mechanism used for being installed on a free end of a door body in a sliding manner, multiple racks connected to one side of the vertical linear sliding mechanism at intervals, lock body assemblies, multiple racks corresponding to the racks in a one-to-one manner. Each lock body assembly comprises a body, a lock bar and a spring bolt, wherein the lock bar is rotationally arranged on the body, the two ends of the lock bar penetrate out of the body, and the spring bolt is connected to one endof the lock bar. Any one lock bar rotates and drives the gear connected with the lock bar to rotate, the gear drives the vertical linear sliding mechanism to drive the remaining gears and lock bars tosynchronously rotate, and the spring bolts are made to be matched with lock buckle structures to achieve locking. The gear-rack integrated type door lock can prevent the situation that when the doorbody bears mechanical vibration, looseness is caused by the mechanical vibration.

The invention discloses a vehicle automatic dragging scanning system supportive of fixed transmission radiation imaging. The system comprises a fixed transmission detection system, an oblique ramp is arranged on a vehicle incoming side of the transmission detection system, and a vehicle release device is arranged on the ramp. A vehicle automatically slides along the oblique ramp under action of gravity, and the vehicle is enabled to pass the transmission detection system at a preset speed to complete detection by controlling oblique angle and / or sliding length. By using the vehicle automatic dragging scanning system, the circumstance that a driver is exposed to radiation illumination due to being detected along with the vehicle is avoided, passing efficiency is high, and equipment maintenance is convenient and quick.

The invention provides a CT three-dimensional image generation method and device and a CT scanning system.The CT three-dimensional image generation method based on a C-shaped arm comprises the steps that a two-dimensional fluorescence image is obtained; the two-dimensional fluorescence image is obtained by detecting a target object on a bed board by the fluorescence detector with the C-shaped arm; acquiring a plurality of groups of detection information, wherein the detection information is used for representing a first relative pose of a first marker relative to the detection equipment and a second relative pose of a second marker relative to the detection equipment; the first marker is arranged on the C-shaped arm, and the second marker is arranged on the bed board; for each group of two-dimensional fluorescence images, determining a target relative pose corresponding to the group of two-dimensional fluorescence images based on the detection information corresponding to the group of two-dimensional fluorescence images; and reconstructing a three-dimensional image of the target object based on the multiple groups of two-dimensional fluorescence images and the target relative pose corresponding to each group of two-dimensional fluorescence images.

The invention relates to a heavy high-speed precise press body locking mechanism, comprising a locking screw rod (1); the locking screw rod (1) is arranged in each machine body (2) to be tensioned in a penetrating mode; the locking screw rod (1) is provided with a locking nut (3) positioned at the machine body (2) at the bottommost end; the locking screw rod (1) is provided with a locking device (4) positioned at the upper part of the machine body (2) at the topmost end; the structure of the locking device comprises pistons (41) fixedly connected with the locking screw rod (1) and cylinder bodies (42) connected with the machine body (2) at the topmost end; the cylinder bodies (42) are arranged at the outer sides of the pistons (41) and forms hermetical match. The locking for the machine bodies is realized by matching the locking nut and the locking device, and the locking device on the upper part of the corresponding machine body drives the locking screw rod to further drive the locking nut to upwards move, so the machine bodies are locked, the structure is simple and the locking is reliable.

The invention relates to a multifunctional dual-layer parking system based on bicycle sharing. The system is composed of a mechanical device, a power device, a lighting device, a control device and a solar power generation device; the mechanical device comprises a screw and nut transmission mechanism, a guide rail sliding block mechanism, a telescopic transmission mechanism, a transmission rotating disc, a frame, a clamping mechanism, a main support, an upper layer bottom plate, a middle layer bottom plate, a movable middle layer bottom plate and a lower layer bottom plate; the power device comprises steeping motors arranged at the vertical position of the screw and nut transmission mechanism and a direct-current motor arranged in the lower layer bottom plate; the lighting device is a streetlamp load mounted on the upper layer bottom plate, the control device comprises a single chip microcomputer and a control circuit which can control the stepping motors to transmit and the direct-current motor to rotate, and the solar power generation device comprises a solar cell set, a controller, a storage cell and an inverter. A car shed, a streetlamp, and the solar power generation device are integrated, the rising and falling manner is simple, control is easy, safety is high, and the space utilization rate is high.

The invention discloses a sanitary napkin cutting machine. According to the technical scheme, the sanitary napkin cutting machine comprises a frame, a napkin cutting mechanism, a conveying mechanism used for conveying the sanitary napkins, a drive mechanism driving the conveying mechanism to convey the sanitary napkins, and a control device used for controlling the napkin cutting mechanism, the conveying mechanism and the drive mechanism to operate; the napkin cutting mechanism comprises a rotary cutter used for cutting the sanitary napkins, a first motor driving the rotary cutter to rotate, and a swinging device driving the rotary cutter to swing in a reciprocating manner; the conveying mechanism comprises an input component and a output component; the rotary cutter is placed between the input component and the output component. The rotary cutter swings adjacent to or far from the sanitary napkins in a reciprocating manner, efficient cutting can be implemented by matching with the conveying mechanism, the notches are smooth after cutting, structure is simple, space required by the rotary cutter is small, and the size of the cutting machine can be reduced effectively.

Along with the rapid development of the industrial explosive packaging technology, plastic film charging is vigorously promoted, and under the circumstance, the packaging of the middle package under paper tube charging is wasteful and is unfavorable for improving the packaging efficiency. The invention aims to charge, feed into a box and package after the middle package is canceled. The system consists of a box blocking device, a rear baffle of a cartridge, two groups of front baffles of the cartridge, a lifting device, a U-shaped trough of a link plate belt and a cartridge propelling device, wherein a cartridge box feeding path is formed by the front baffles of the cartridge to ensure that the cartridge is free from falling when entering the box; the rear baffle of the cartridge and the cartridge propelling device are used for enabling the cartridge to be longitudinally leveled and to be placed on a proper position; the encasement efficiency is guaranteed by the lifting device; one box of explosive can be pushed into the box body once by the cartridge propelling device; the cartridge propelling device is driven by two cylinders to respectively act, so that the box feeding system has the advantages of simple structure and brief movement; and because the position of a carton box is fixed by the box blocking device, the whole system has the advantages of compact structure, stable system and convenience in maintaining.

The invention discloses a combined machining method suitable for a threaded hole of a hard alloy cutter bar. The combined machining method sequentially comprises the following steps that 1, a threaded bottom hole is machined in the hard alloy cutter bar in a laser or electric spark machining manner; 2, an external thread is machined on the copper rod as an electrode; and 3, the electrode is installed on a main shaft of an electric spark forming machine tool, the hard alloy cutter bar is installed on a workbench of the electric spark forming machine tool, the electrode is driven by the main shaft to horizontally move in a horizontal plane formed by an X axis and a Y axis, an internal thread is machined in an electric spark machining manner, and a horizontal movement track is a circle concentric with the thread bottom hole. Compared with the prior art, the combined machining method has the advantages that the machining efficiency and machining precision of the threaded hole of the hard alloy cutter bar can be guaranteed, threaded hole machining size errors caused by electrode loss can be avoided, and threaded holes of various diameters can be machined only through one electrode.

The invention discloses a full-automatic ivory nut machining device for manufacturing of high-class artware. The full-automatic ivory nut machining device comprises a planing device, an ironing device, a slice conveying device and a shredding device; the planing device is used for machining a to-be-planed object into slices; the ironing device is matched with the planing device and used for ironing the slices conveyed out by the planing device; a feeding inlet of the slice conveying device is opposite to a discharging outlet of the ironing device; a discharging outlet of the slice conveying device is opposite to a feeding inlet of the shredding device; and the shredding device is used for cutting the ironed slices into shreds. According to the full-automatic ivory nut machining device formanufacturing of the high-class artware, the to-be-planed object is machined into the slices through the planing device, and the machined slices are ironed through the ironing device and then conveyedto the shredding device through the conveying device; through the whole device, a series of processes that the to-be-planed object is machined into the slices, the slices are ironed to be flat, and the slices are cut into the shreds are achieved; and automatic machining is achieved, the production efficiency is improved, and the production quality is guaranteed through mechanized production.

The invention discloses a vehicle seat and a sliding rail locking and stopping and unlocking mechanism thereof. The sliding rail and locking and stopping unlocking mechanism of the vehicle seat comprises a sliding rail assembly, a locking and stopping assembly, an unlocking assembly and a steering assembly. An upper sliding rail and a lower sliding rail are arranged on the sliding rail assembly, alocking and stopping assembly bracket, a core shaft, a left clamping claw, a right clamping claw and a torsion spring are arranged on the locking and stopping assembly, and a swing arm, a reset spring, a movable frame and a plug are arranged on the unlocking assembly. According to the vehicle seat and the sliding rail and unlocking mechanism thereof, the locking and stopping assembly is used forrealizing the front and back movement locking and stopping between the upper and lower sliding rails, and the locking and stopping reliability is high; occupants exert a downward force to the front end of the swing arm through the steering assembly, that is, the unlocking assembly can be controlled to unlock locking and stopping of the locking and stopping assembly to the upper and lower sliding rails, the unlocking of the sliding rail of the vehicle seat is realized, while the occupants can release the steering assembly, the downward force can be removed, so that the unlocking assembly can bereset under the action of the reset spring, and the sliding rail locking and stopping of the vehicle seat is reset; and the unlocking operation is simple and convenient, and the dexterity, smoothnessand good operation hand sense of the occupants operating the steering assembly for unlocking the vehicle seat sliding rail.

The invention discloses a squeezer which comprises a right-angle n-shaped shell, a left squeezing roller, a right squeezing roller, a left roller shaft and a right roller shaft, wherein the shell is provided with a lower opening. The left squeezing roller and the right squeezing roller are arranged at the end, close to the opening, of the inside of the right-angle n-shaped shell, the left squeezing roller is fixedly connected with the left roller shaft, the right squeezing roller is fixedly connected with the right roller shaft, the two ends of the left roller shaft and the two ends of the right roller shaft are arranged on the right-angle n-shaped shell through bearing bases respectively, an insertion port matched with the thickness of an object to be squeezed is formed between the left squeezing roller and the right squeezing roller, the upper end face of the right-angle n-shaped shell is provided with a rectangular opening corresponding to the object to be squeezed in shape, and the two ends of the left roller shaft and the two ends of the right roller shaft are respectively provided with a manual knob. According to the technical scheme, the structure is simple, pasty objects such as toothpaste can be squeezed out conveniently from a tube opening, residues are reduced, and the squeezer is convenient and quick to use.

The invention provides a laser shock peening device and method for a welding seam part of a spaceflight propellant storage tank. The laser shock peening device comprises a storage tank moving assembly and a laser shock peening assembly. The storage box moving assembly controls the spaceflight propellant storage box to rotate in the circumferential direction. A laser focusing head moving structure of the laser shock peening assembly is provided with a laser focusing head, and the laser focusing head is controlled to move along a fixed path; a laser propagation light path structure propagates parallel laser beams emitted by a laser device to the laser focusing head; and the laser beams focused by the laser focusing head act on a welding area where a friction stir welding long welding seam and a fusion welding circumferential welding seam of the spaceflight propellant storage tank are located for shock peening. By means of the laser shock peening device and method, according to friction stir welding and fusion welding heat input characteristics, impact areas of different sizes are selected for different welding seams for laser impact peening, the internal dislocation density of a welding seam softening area material is increased, the tensile property and reliability of a joint are improved, a participating pressure stress field is generated in a welding seam area, and the service life of the whole spaceflight propellant storage tank is prolonged.

The invention discloses a full-automatic ivory nut machining device for manufacturing of high-class artware. The full-automatic ivory nut machining device comprises a planing device, an ironing device, a slice conveying device and a shredding device; the planing device is used for machining a to-be-planed object into slices; the ironing device is matched with the planing device and used for ironing the slices conveyed out by the planing device; a feeding inlet of the slice conveying device is opposite to a discharging outlet of the ironing device; a discharging outlet of the slice conveying device is opposite to a feeding inlet of the shredding device; and the shredding device is used for cutting the ironed slices into shreds. According to the full-automatic ivory nut machining device formanufacturing of the high-class artware, the to-be-planed object is machined into the slices through the planing device, and the machined slices are ironed through the ironing device and then conveyedto the shredding device through the conveying device; through the whole device, a series of processes that the to-be-planed object is machined into the slices, the slices are ironed to be flat, and the slices are cut into the shreds are achieved; and automatic machining is achieved, the production efficiency is improved, and the production quality is guaranteed through mechanized production.

The invention discloses a soft bionic fish based on a combined structure of cables and spacers, which comprises a fish body, a fish tail and pectoral fins; the fish body, fish tail and pectoral fins each comprise a plurality of sheet-like bodies arranged at intervals and Cables; cables are used to connect the plates and to move the tail and pectoral fins of the fish. The present invention utilizes the advantages of fast response and large driving force of the cable-driven soft robotic fish to manufacture soft bionic fish. Compared with rigid bionic fish, the overall structure of the bionic fish is more in line with the soft body of natural fish, and its movement mode is simple. , which is more in line with the natural fish movement.